{"text_format":"3","workbook":"xlsx","n_sheets":10,"sheets":["Initial Values","Room Ratios","Room Materials","Basic Properties","Resonant Modes","RT60","Schroeder Diffusers","Absorption Coefficients","Intermediate values","Acknowledgements"],"not_rendered":{"charts":7,"images":11,"macros":1,"defined_names":452},"read":"whole","date_system":"1900"}

{"sheet":"Initial Values","index":0,"n_rows":19,"n_cols":10,"rows_kept":19}
[]
[null,"Basic acoustic calculator for a rectilinear room",{"$nulls":6},"© Chris Whealy 2020","V2.68"]
[null,"Please enter the following initial values of your control room by using the spin button controls"]
[]
[null,"Initial values"]
[null,"Room width",{"v":15,"d":"15.00"}]
[null,"Speaker directivity (Q)",3.6,"     1 = Omni-directional."]
[null,"Choose room dimensions","H","     Enter a letter from A-H.  The room dimension ratios can be found on sheet Room Ratios"]
[null,"Air temperature (deg C)",20]
[null,"Low frequency cutoff (Hz)",250,"     Arbitrary upper limit for modal analysis"]
[]
[null,"Room dimensions","Height","Width","Length"]
[null,"Axis dimensions",{"$f":"width/VLOOKUP(C8,'Room Ratios'!C13:F26,3)","v":{"v":9.493670886075948,"d":"9.49"}},{"$f":"width","v":{"v":15,"d":"15.00"}},{"$f":"C13*VLOOKUP(C8,'Room Ratios'!C13:F26,4)","v":{"v":17.84810126582278,"d":"17.85"}},{"$f":"LengthText","v":"ft"},"<- These dimensions are derived from the room ratios"]
[null,"Edge length",{"$f":"4*(room_height+room_width+room_length)","v":{"v":169.3670886075949,"d":"169.37"}},{"$f":"IF(unitFactor=1,\"m\",\"ft\")","v":"ft"}]
[null,"Volume",{"$f":"room_length*room_width*room_height","v":{"v":2541.659990386155,"d":"2541.66"}},{"$f":"IF(unitFactor=1,\"cu m\",\"cu ft\")","v":"cu ft"}]
[]
[null,"Various room measurements","Wall 1","Wall 2","Wall 3","Wall 4","Floor","Ceiling",null,"BE CAREFUL!"]
[null,"Room surface areas",{"$f":"room_height*room_width","v":{"v":142.40506329113921,"d":"142.41"}},{"$f":"room_height*room_length","v":{"v":169.44399935907703,"d":"169.44"}},{"$f":"room_height*room_width","v":{"v":142.40506329113921,"d":"142.41"}},{"$f":"room_height*room_length","v":{"v":169.44399935907703,"d":"169.44"}},{"$f":"room_width*room_length","v":{"v":267.7215189873417,"d":"267.72"}},{"$f":"room_width*room_length","v":{"v":267.7215189873417,"d":"267.72"}},{"$f":"AreaText","v":"sq ft"},"If the plot below shows that one axis will have a significantly longer reverberation time than the other two,"]
[null,"Total surface area",{"$f":"SUM(C18:H18)","v":{"v":1159.141163275116,"d":"1159.14"}},{"$f":"AreaText","v":"sq ft"},{"$nulls":5},"then this should act as a warning sign that you've probably created a room with a serious flutter echo."]

{"sheet":"Room Ratios","index":1,"n_rows":33,"n_cols":15,"rows_kept":33}
[]
[null,"Room ratios for favourable mode distribution",{"$nulls":12},"Room ratios for minimum bass resonance"]
[null,"Room ratios are always in the form 1:x:y.  The height (z) is assumed to be 1"]
[null,"Bolt's recommendation",{"$nulls":3},"2<x+y<4"]
[{"$nulls":5},"3/2(x-1) < y-1 < 3(x-1)"]
[]
[null,"EBU recommendation",{"$nulls":3},"x<3z, y<3z"]
[{"$nulls":5},"1.1x/z <= y/z <= (4.5x/z) - 4"]
[]
[null,"IEC recommendation",{"$nulls":3},"x/z <= y/z <= min(4,(5x/z)-4)"]
[]
[null,"After Bolt",null,"H","W","L",null,"Bolt?","EBU?","IEC?"]
[null,"Room","A",{"v":1,"d":"1.00"},1.14,1.39,null,{"$f":"IF((E13+F13)<2,\"No\",IF((E13+F13)>4,\"No\",IF((F13-1)<1.5*(E13-1),\"No\",IF((F13-1)>3*(E13-1),\"No\",\"Yes\"))))","v":"Yes"},{"$f":"IF(E13>3,\"No\",IF(F13>3,\"No\",IF(1.1*E13>F13,\"No\",IF(F13>(4.5*E13)-4,\"No\",\"Yes\"))))","v":"No"},{"$f":"IF(E13>F13,\"No\",IF(F13>MIN((5*E13)-4,4),\"No\",\"Yes\"))","v":"Yes"}]
[null,"Room","B",{"v":1,"d":"1.00"},1.28,1.54,null,{"$f":"IF((E14+F14)<2,\"No\",IF((E14+F14)>4,\"No\",IF((F14-1)<1.5*(E14-1),\"No\",IF((F14-1)>3*(E14-1),\"No\",\"Yes\"))))","v":"Yes"},{"$f":"IF(E14>3,\"No\",IF(F14>3,\"No\",IF(1.1*E14>F14,\"No\",IF(F14>(4.5*E14)-4,\"No\",\"Yes\"))))","v":"Yes"},{"$f":"IF(E14>F14,\"No\",IF(F14>MIN((5*E14)-4,4),\"No\",\"Yes\"))","v":"Yes"}]
[null,"Room","C",{"v":1,"d":"1.00"},{"v":1.6,"d":"1.60"},2.33,null,{"$f":"IF((E15+F15)<2,\"No\",IF((E15+F15)>4,\"No\",IF((F15-1)<1.5*(E15-1),\"No\",IF((F15-1)>3*(E15-1),\"No\",\"Yes\"))))","v":"Yes"},{"$f":"IF(E15>3,\"No\",IF(F15>3,\"No\",IF(1.1*E15>F15,\"No\",IF(F15>(4.5*E15)-4,\"No\",\"Yes\"))))","v":"Yes"},{"$f":"IF(E15>F15,\"No\",IF(F15>MIN((5*E15)-4,4),\"No\",\"Yes\"))","v":"Yes"}]
[]
[null,"After Louden",null,"H","W","L"]
[null,"Room","D",{"v":1,"d":"1.00"},{"v":1.4,"d":"1.40"},{"v":1.9,"d":"1.90"},null,{"$f":"IF((E18+F18)<2,\"No\",IF((E18+F18)>4,\"No\",IF((F18-1)<1.5*(E18-1),\"No\",IF((F18-1)>3*(E18-1),\"No\",\"Yes\"))))","v":"Yes"},{"$f":"IF(E18>3,\"No\",IF(F18>3,\"No\",IF(1.1*E18>F18,\"No\",IF(F18>(4.5*E18)-4,\"No\",\"Yes\"))))","v":"Yes"},{"$f":"IF(E18>F18,\"No\",IF(F18>MIN((5*E18)-4,4),\"No\",\"Yes\"))","v":"Yes"}]
[null,"Room","E",{"v":1,"d":"1.00"},{"v":1.3,"d":"1.30"},{"v":1.9,"d":"1.90"},null,{"$f":"IF((E19+F19)<2,\"No\",IF((E19+F19)>4,\"No\",IF((F19-1)<1.5*(E19-1),\"No\",IF((F19-1)>3*(E19-1),\"No\",\"Yes\"))))","v":"Yes"},{"$f":"IF(E19>3,\"No\",IF(F19>3,\"No\",IF(1.1*E19>F19,\"No\",IF(F19>(4.5*E19)-4,\"No\",\"Yes\"))))","v":"No"},{"$f":"IF(E19>F19,\"No\",IF(F19>MIN((5*E19)-4,4),\"No\",\"Yes\"))","v":"Yes"}]
[null,"Room","F",{"v":1,"d":"1.00"},{"v":1.5,"d":"1.50"},{"v":2.5,"d":"2.50"},null,{"$f":"IF((E20+F20)<2,\"No\",IF((E20+F20)>4,\"No\",IF((F20-1)<1.5*(E20-1),\"No\",IF((F20-1)>3*(E20-1),\"No\",\"Yes\"))))","v":"Yes"},{"$f":"IF(E20>3,\"No\",IF(F20>3,\"No\",IF(1.1*E20>F20,\"No\",IF(F20>(4.5*E20)-4,\"No\",\"Yes\"))))","v":"Yes"},{"$f":"IF(E20>F20,\"No\",IF(F20>MIN((5*E20)-4,4),\"No\",\"Yes\"))","v":"Yes"}]
[]
[null,"After Boner",null,"H","W","L"]
[null,"Room","G",{"v":1,"d":"1.00"},1.26,1.59,null,{"$f":"IF((E23+F23)<2,\"No\",IF((E23+F23)>4,\"No\",IF((F23-1)<1.5*(E23-1),\"No\",IF((F23-1)>3*(E23-1),\"No\",\"Yes\"))))","v":"Yes"},{"$f":"IF(E23>3,\"No\",IF(F23>3,\"No\",IF(1.1*E23>F23,\"No\",IF(F23>(4.5*E23)-4,\"No\",\"Yes\"))))","v":"Yes"},{"$f":"IF(E23>F23,\"No\",IF(F23>MIN((5*E23)-4,4),\"No\",\"Yes\"))","v":"Yes"}]
[]
[null,"User defined",null,"H","W","L"]
[null,"Room","H",{"v":1,"d":"1.00"},1.58,1.88,null,{"$f":"IF((E26+F26)<2,\"No\",IF((E26+F26)>4,\"No\",IF((F26-1)<1.5*(E26-1),\"No\",IF((F26-1)>3*(E26-1),\"No\",\"Yes\"))))","v":"Yes"},{"$f":"IF(E26>3,\"No\",IF(F26>3,\"No\",IF(1.1*E26>F26,\"No\",IF(F26>(4.5*E26)-4,\"No\",\"Yes\"))))","v":"Yes"},{"$f":"IF(E26>F26,\"No\",IF(F26>MIN((5*E26)-4,4),\"No\",\"Yes\"))","v":"Yes"}]
[]
[]
[]
[{"$nulls":11},"The darker the area in the above image, the weaker the bass resonance,"]
[{"$nulls":11},"therefore, the more suitable the room ratios are for a control room."]
[]
[{"$nulls":11},"Image © Prof Trevor Cox, University of Salford, UK"]

{"sheet":"Room Materials","index":2,"n_rows":43,"n_cols":12,"rows_kept":43}
[]
[null,"Absorption of room materials"]
[null,"The absorption values for the various materials can be found on sheet Absorption Coefficients.  "]
[]
[null,"The %ages for each material making up the room surfaces must be entered using the spin buttons.  The actual areas will be calculated automatically"]
[null,"Check that all the totals equal 100%!"]
[]
[null,"Wall 1","ID",null,"Surface Description","t (mm)","c (mm)","a (mm)","perf","Area"]
[null,"Material 1",3117,null,{"$f":"VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,2)","v":"Plasterboard on frame"},{"$f":"IF(VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,3))","v":9.5},{"$f":"IF(VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,4))","v":120},{"$f":"IF(VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,6))","v":""},{"v":0.8,"d":"80.00%"},{"$f":"wall1_area*wall1_mat1_pct","v":{"v":113.92405063291137,"d":"113.92"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 2",3137,null,{"$f":"VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,2)","v":"Window, double glazed"},{"$f":"IF(VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,3))","v":2.5},{"$f":"IF(VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,4))","v":30},{"$f":"IF(VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,6))","v":""},{"v":0.2,"d":"20.00%"},{"$f":"wall1_area*wall1_mat2_pct","v":{"v":28.481012658227844,"d":"28.48"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 3",3000,null,{"$f":"VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"wall1_area*wall1_mat3_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 4",3000,null,{"$f":"VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"wall1_area*wall1_mat4_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[{"$nulls":9},{"$f":"SUM(J9:J12)","v":{"v":1,"d":"100.00%"}}]
[null,"Wall 2","ID",null,"Surface Description"]
[null,"Material 1",3117,null,{"$f":"VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,2)","v":"Plasterboard on frame"},{"$f":"IF(VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,3))","v":9.5},{"$f":"IF(VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,4))","v":120},{"$f":"IF(VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,6))","v":""},{"v":1,"d":"100.00%"},{"$f":"wall2_area*wall2_mat1_pct","v":{"v":169.44399935907703,"d":"169.44"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 2",3000,null,{"$f":"VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"wall2_area*wall2_mat2_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 3",3000,null,{"$f":"VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"wall2_area*wall2_mat3_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 4",3000,null,{"$f":"VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"wall2_area*wall2_mat4_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[{"$nulls":9},{"$f":"SUM(J15:J18)","v":{"v":1,"d":"100.00%"}}]
[null,"Wall 3","ID",null,"Surface Description"]
[null,"Material 1",3117,null,{"$f":"VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,2)","v":"Plasterboard on frame"},{"$f":"IF(VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,3))","v":9.5},{"$f":"IF(VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,4))","v":120},{"$f":"IF(VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,6))","v":""},{"v":1,"d":"100.00%"},{"$f":"wall3_area*wall3_mat1_pct","v":{"v":142.40506329113921,"d":"142.41"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 2",3000,null,{"$f":"VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"wall3_area*wall3_mat2_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 3",3000,null,{"$f":"VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"wall3_area*wall3_mat3_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 4",3000,null,{"$f":"VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"wall3_area*wall3_mat4_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[{"$nulls":9},{"$f":"SUM(J21:J24)","v":{"v":1,"d":"100.00%"}}]
[null,"Wall 4","ID",null,"Surface Description"]
[null,"Material 1",3117,null,{"$f":"VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,2)","v":"Plasterboard on frame"},{"$f":"IF(VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,3))","v":9.5},{"$f":"IF(VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,4))","v":120},{"$f":"IF(VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,6))","v":""},{"v":0.9,"d":"90.00%"},{"$f":"wall4_area*wall4_mat1_pct","v":{"v":152.49959942316931,"d":"152.50"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 2",3101,null,{"$f":"VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,2)","v":"Door, solid wood, panelled"},{"$f":"IF(VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,6))","v":""},{"v":0.1,"d":"10.00%"},{"$f":"wall4_area*wall4_mat2_pct","v":{"v":16.944399935907704,"d":"16.94"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 3",3000,null,{"$f":"VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"wall4_area*wall4_mat3_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 4",3000,null,{"$f":"VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,3)=0,\"\",VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,4)=0,\"\",VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,5)=0,\"\",VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,6)=0,\"\",VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"wall4_area*wall4_mat4_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[{"$nulls":9},{"$f":"SUM(J27:J30)","v":{"v":1,"d":"100.00%"}}]
[null,"Floor","ID",null,"Surface Description"]
[null,"Material 1",2012,null,{"$f":"VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,2)","v":"Carpet 1.98 kg/m2 on under-lay"},{"$f":"IF(VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,3)=0,\"\",VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,4)=0,\"\",VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,5)=0,\"\",VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,6)=0,\"\",VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,6))","v":""},{"v":1,"d":"100.00%"},{"$f":"floor_area*floor_mat1_pct","v":{"v":267.7215189873417,"d":"267.72"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 2",2000,null,{"$f":"VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,3)=0,\"\",VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,4)=0,\"\",VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,5)=0,\"\",VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,6)=0,\"\",VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"floor_area*floor_mat2_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 3",2000,null,{"$f":"VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,3)=0,\"\",VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,4)=0,\"\",VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,5)=0,\"\",VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,6)=0,\"\",VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"floor_area*floor_mat3_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 4",2000,null,{"$f":"VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,3)=0,\"\",VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,4)=0,\"\",VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,5)=0,\"\",VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,6)=0,\"\",VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"floor_area*floor_mat4_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[{"$nulls":9},{"$f":"SUM(J33:J36)","v":{"v":1,"d":"100.00%"}}]
[null,"Ceiling","ID",null,"Surface Description"]
[null,"Material 1",1008,null,{"$f":"VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,2)","v":"Acoustic tiles, 3/16\" holes at 1/2\" centres"},{"$f":"IF(VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,3)=0,\"\",VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,3))","v":19},{"$f":"IF(VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,4)=0,\"\",VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,5)=0,\"\",VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,6)=0,\"\",VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,6))","v":""},{"v":1,"d":"100.00%"},{"$f":"ceiling_area*ceiling_mat1_pct","v":{"v":267.7215189873417,"d":"267.72"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 2",1000,null,{"$f":"VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,3)=0,\"\",VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,4)=0,\"\",VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,5)=0,\"\",VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,6)=0,\"\",VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"ceiling_area*ceiling_mat2_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 3",1000,null,{"$f":"VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,3)=0,\"\",VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,4)=0,\"\",VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,5)=0,\"\",VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,6)=0,\"\",VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"ceiling_area*ceiling_mat3_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[null,"Material 4",1000,null,{"$f":"VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,2)","v":"N/A"},{"$f":"IF(VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,3)=0,\"\",VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,3))","v":""},{"$f":"IF(VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,4)=0,\"\",VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,4))","v":""},{"$f":"IF(VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,5)=0,\"\",VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,5))","v":""},{"$f":"IF(VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,6)=0,\"\",VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,6))","v":""},{"v":0,"d":"0.00%"},{"$f":"ceiling_area*ceiling_mat4_pct","v":{"v":0,"d":"0.00"}},{"$f":"AreaText","v":"sq ft"}]
[{"$nulls":9},{"$f":"SUM(J39:J42)","v":{"v":1,"d":"100.00%"}}]

{"sheet":"Basic Properties","index":3,"n_rows":43,"n_cols":11,"rows_kept":43}
[]
[null,"Basic properties of the sound field"]
[null,"Basic sound field properties"]
[null,"Speed of sound",{"$f":"unitFactor*20.047*SQRT(273.15+air_temp)","v":{"v":1126.1062796280253,"d":"1126.11"}},{"$f":"VelocityText","v":"ft/s"}]
[null,"Mean free path",{"$f":"(4*room_volume)/total_area","v":{"v":8.770838517044039,"d":"8.77"}},{"$f":"LengthText","v":"ft"},"Average distance travelled by a sound wave between reflections"]
[null,"Direct/Diffuse field boundary",{"$f":"SQRT(absorption_area/16*PI())","v":{"v":8.175946045984182,"d":"8.18"}},{"$f":"LengthText","v":"ft"},"Assuming an omni-directional sound source"]
[null,"Direct/Diffuse field boundary",{"$f":"0.141*SQRT((directivity*total_area*alpha_bar)/(1-alpha_bar))","v":{"v":5.873541638347726,"d":"5.87"}},{"$f":"LengthText","v":"ft"},"Accounting for speaker directivity"]
[null,"No of modes below LF cutoff",{"$f":"((4*PI()/3)*room_volume*(lf_cutoff/sound_velocity)^3)+((PI()/4)*total_area*(lf_cutoff/sound_velocity)^2)+edge_length*lf_cutoff/(8*sound_velocity)","v":{"v":166.05894345074947,"d":"166"}}]
[null,"Average mode spacing",{"$f":"sound_velocity^3/(4*PI()*room_volume*lf_cutoff^2)","v":{"v":0.7153701375180955,"d":"0.72"}},"Hz","Below LF cutoff"]
[null,"Standard deviation of mode spacing",{"$f":"STDEV('Resonant Modes'!AJ9:AJ735)","v":{"v":1.1805012493684686,"d":"1.18"}},null,"All modal frequencies are considered"]
[null,"Lowest possible modal frequency",{"$f":"sound_velocity/(2*MAX(room_height,room_width,room_length))","v":{"v":31.546948968302843,"d":"31.55"}},"Hz","Modal resonance not possible below this frequency"]
[]
[null,"Resonant region","Sabine","Eyring","Fitzroy 1","Fitzroy 2","Arau","Millington"]
[null,"Schroeder transition frequency (Hz)",{"$f":"2000*SQRT(rt60_sabine*unitFactor^3/room_volume)","v":{"v":143.69741148454392,"d":"143.7"}},{"$f":"2000*SQRT(rt60_eyring*unitFactor^3/room_volume)","v":{"v":132.24479798616807,"d":"132.2"}},{"$f":"2000*SQRT(rt60_fitzroy*unitFactor^3/room_volume)","v":{"v":181.75909141378787,"d":"181.8"}},{"$f":"2000*SQRT(rt60_fitzroy_modified*unitFactor^3/room_volume)","v":{"v":148.60665683668097,"d":"148.6"}},{"$f":"2000*SQRT(rt60_arau*unitFactor^3/room_volume)","v":{"v":151.69208626892203,"d":"151.7"}},{"$f":"2000*SQRT(rt60_millington*unitFactor^3/room_volume)","v":{"v":118.85935578349309,"d":"118.9"}},"Centre of transition region between wave based calculations and ray based calculations"]
[null,"Modal resonance bandwidth (Octaves)",{"$f":"LOG(C14,2)-LOG($C$11,2)","v":{"v":2.18746168556435,"d":"2.19"}},{"v":2.067638584993591,"d":"2.07"},{"v":2.526455139903291,"d":"2.53"},{"v":2.235926354607181,"d":"2.24"},{"v":2.2655734343208227,"d":"2.27"},{"v":1.9136830784342207,"d":"1.91"},"The interval in octaves between the lowest mode and Schroeder's transition frequency"]
[null,"Rise time (s)",{"$f":"0.32*rt60_sabine","v":{"v":0.11889133605755882,"d":"0.12"}},{"$f":"0.32*rt60_eyring","v":{"v":0.10069537245715818,"d":"0.10"}},{"$f":"0.32*rt60_fitzroy","v":{"v":0.19021493084188154,"d":"0.19"}},{"$f":"0.32*rt60_fitzroy_modified","v":{"v":0.1271536542302303,"d":"0.13"}},{"$f":"0.32*rt60_arau","v":{"v":0.13248849485959857,"d":"0.13"}},{"$f":"0.32*rt60_millington","v":{"v":0.08134278950802572,"d":"0.08"}},"The time taken for the reverberant field to build fully"]
[]
[null,"Reverberation time","Sabine","Eyring","Fitzroy 1","Fitzroy 2","Arau","Millington"]
[null,"RT60 @ 500 Hz (s)",{"$f":"rt60_sabine","v":{"v":0.3715354251798713,"d":"0.37"}},{"$f":"rt60_eyring","v":{"v":0.3146730389286193,"d":"0.31"}},{"$f":"rt60_fitzroy","v":{"v":0.5944216588808798,"d":"0.59"}},{"$f":"rt60_fitzroy_modified","v":{"v":0.3973551694694697,"d":"0.40"}},{"$f":"rt60_arau","v":{"v":0.41402654643624553,"d":"0.41"}},{"$f":"rt60_millington","v":{"v":0.25419621721258034,"d":"0.25"}}]
[]
[null,"Rettinger's Ideal Decay Time",{"$f":"0.15*LOG(room_volume/unitFactor^3)+0.082","v":{"v":0.3605743495876533,"d":"0.36"}},"s","Now considered too small for a comfortable working environment"]
[null,"Preferred decay time",{"$f":"C21*1.2","v":{"v":0.4326892195051839,"d":"0.43"}},"s","Rettinger's Ideal Decay Time + 20% is now considered preferable"]
[]
[null,"Range of modal frequencies"]
[null,"From the lowest mode to the Schroeder frequency relative to a piano keyboard (range midpoint marked in blue)",{"$nulls":6},"Notes coloured in grey do not exist on a real keyboard"]
[]
[null,"Sabine"]
[null,"Eyring"]
[null,"Fitzroy 1"]
[null,"Fitzroy 2"]
[null,"Arau"]
[null,"Millington"]
[]
[]
[]
[]
[null,null,"Note No","Freq","- diff","Note No","Freq","+ diff","Note No","Freq"]
[null,"Sabine",{"$f":"VLOOKUP(D38,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":39},{"$f":"$C$11","v":{"v":31.546948968302843,"d":"31.55"}},{"$f":"F38-C38","v":13},{"$f":"VLOOKUP(G38,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":52},{"$f":"2^(LOG(D38,2)+(LOG(J38,2)-LOG(D38,2))/2)","v":{"v":67.32915346995036,"d":"67.33"}},{"$f":"I38-F38","v":13},{"$f":"VLOOKUP(J38,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":65},{"$f":"C14","v":{"v":143.69741148454392,"d":"143.7"}},6]
[null,"Eyring",{"$f":"VLOOKUP(D39,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":39},{"v":31.546948968302843,"d":"31.55"},12,{"$f":"VLOOKUP(G39,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":51},{"v":64.59040093847665,"d":"64.59"},13,{"$f":"VLOOKUP(J39,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":64},{"$f":"D14","v":{"v":132.24479798616807,"d":"132.2"}},5]
[null,"Fitzroy 1",{"$f":"VLOOKUP(D40,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":39},{"v":31.546948968302843,"d":"31.55"},15,{"$f":"VLOOKUP(G40,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":54},{"v":75.7228154611004,"d":"75.72"},15,{"$f":"VLOOKUP(J40,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":69},{"$f":"E14","v":{"v":181.75909141378787,"d":"181.8"}},4]
[null,"Fitzroy 2",{"$f":"VLOOKUP(D41,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":39},{"v":31.546948968302843,"d":"31.55"},13,{"$f":"VLOOKUP(G41,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":52},{"v":68.46960361778699,"d":"68.47"},14,{"$f":"VLOOKUP(J41,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":66},{"$f":"F14","v":{"v":148.60665683668097,"d":"148.6"}},3]
[null,"Arau",{"$f":"VLOOKUP(D42,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":39},{"v":31.546948968302843,"d":"31.55"},13,{"$f":"VLOOKUP(G42,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":52},{"v":69.17674829320235,"d":"69.18"},14,{"$f":"VLOOKUP(J42,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":66},{"$f":"G14","v":{"v":151.69208626892203,"d":"151.7"}},2]
[null,"Millington",{"$f":"VLOOKUP(D43,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":39},{"v":31.546948968302843,"d":"31.55"},11,{"$f":"VLOOKUP(G43,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":50},{"v":61.23438602049679,"d":"61.23"},12,{"$f":"VLOOKUP(J43,'Intermediate values'!$D$90:$F$224,3,TRUE)","v":62},{"$f":"H14","v":{"v":118.85935578349309,"d":"118.9"}},1]

{"sheet":"Resonant Modes","index":4,"n_rows":735,"n_cols":36,"rows_kept":735}
[" ","   "]
[null,"Audibility of Resonant modes"]
[null,"The audibility of a particular eigenmode within the overall sound field can be estimated by calculating its effective reflectivity.  The contribution (and therefore audibility) of a particular eigenmode can be calculated as a value between 0 and 1.  "]
[null,"An eigenmode with low \"On Axis\" reflectivity values and a high mode order will make a small contribution to the sound field and therefore have low audibility.  Conversely, an eigenmode with high \"On Axis\" reflectivity and a low mode order will make a larger (possibly audible) "]
[null,"contribution to the overall sound field.  The first 200 eigenmodes are sorted into frequency order and their contribution is plotted below. "]
[{"$nulls":27},"Order",null,null,"Effective",null,null,"Effective"]
[{"$nulls":26},"L","W","H","Hz","Reflectivity",null,"K","Reflectivity","Hz","Diff"]
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[{"$nulls":25},22,8,6,8,582.7,{"v":7.1055403657521135E-4,"d":"0.001"},null,722,{"v":7.1055403657521135E-4,"d":"0.001"},582.7,{"v":7.2000000000000455,"d":"7.2"}]
[{"$nulls":25},22,8,7,7,552.4,{"v":1.21304208691021E-3,"d":"0.001"},null,723,{"v":8.0252269503416516E-4,"d":"0.001"},583.2,0.5]
[{"$nulls":25},22,8,8,6,529.6,{"v":0.00207087853825699,"d":"0.002"},null,724,{"v":7.0697356843122143E-4,"d":"0.001"},585.6,{"v":2.3999999999999773,"d":"2.4"}]
[{"$nulls":25},23,7,8,8,603.4,{"v":6.1653986613606113E-4,"d":"0.001"},null,725,{"v":7.034111421974458E-4,"d":"0.001"},592.6,{"v":7,"d":"7.0"}]
[{"$nulls":25},23,8,7,8,598.2,{"v":6.1966233272996564E-4,"d":"0.001"},null,726,{"v":6.1966233272996564E-4,"d":"0.001"},598.2,{"v":5.600000000000023,"d":"5.6"}]
[{"$nulls":25},23,8,8,7,571.2,{"v":1.0578737866262788E-3,"d":"0.001"},null,727,{"v":6.1653986613606113E-4,"d":"0.001"},603.4,{"v":5.199999999999932,"d":"5.2"}]
[{"$nulls":25},24,8,8,8,615.6,{"v":5.403971926682574E-4,"d":"0.001"},null,728,{"v":5.403971926682574E-4,"d":"0.001"},615.6,{"v":12.200000000000045,"d":"12.2"}]

{"sheet":"RT60","index":5,"n_rows":24,"n_cols":8,"rows_kept":24}
[]
[null,"RT60 using various formulae"]
[]
[null,"Formula","125Hz","250Hz","500Hz","1KHz","2KHz","4KHz"]
[null,"Sabine",{"$f":"(factor*room_volume)/sigma_sabins_125","v":{"v":0.7308258795665844,"d":"0.73"}},{"$f":"(factor*room_volume)/sigma_sabins_250","v":{"v":0.7365264863465047,"d":"0.74"}},{"$f":"(factor*room_volume)/sigma_sabins_500","v":{"v":0.3715354251798713,"d":"0.37"}},{"$f":"(factor*room_volume)/sigma_sabins_1k","v":{"v":0.28992590834789544,"d":"0.29"}},{"$f":"(factor*room_volume)/sigma_sabins_2k","v":{"v":0.2618736310422182,"d":"0.26"}},{"$f":"(factor*room_volume)/sigma_sabins_4k","v":{"v":0.27088814469523387,"d":"0.27"}}]
[null,"Eyring",{"$f":"(-factor*room_volume)/(total_area*LN(1-alpha_bar_125))","v":{"v":0.6755962515824714,"d":"0.68"}},{"$f":"(-factor*room_volume)/(total_area*LN(1-alpha_bar_250))","v":{"v":0.6813088183326806,"d":"0.68"}},{"$f":"(-factor*room_volume)/(total_area*LN(1-alpha_bar_500))","v":{"v":0.3146730389286193,"d":"0.31"}},{"$f":"(-factor*room_volume)/(total_area*LN(1-alpha_bar_1k))","v":{"v":0.23197935327926647,"d":"0.23"}},{"$f":"(-factor*room_volume)/(total_area*LN(1-alpha_bar_2k))","v":{"v":0.20334861106450175,"d":"0.20"}},{"$f":"(-factor*room_volume)/(total_area*LN(1-alpha_bar_4k))","v":{"v":0.21256615381240312,"d":"0.21"}}]
[null,"Fitzroy 1",{"$f":"(factor*room_volume)/(total_area^2)*((-x_area/LN(1-x_alpha_bar_125))+(-y_area/LN(1-y_alpha_bar_125))+(-z_area/LN(1-z_alpha_bar_125)))","v":{"v":0.9259534260759225,"d":"0.93"}},{"$f":"(factor*room_volume)/(total_area^2)*((-x_area/LN(1-x_alpha_bar_250))+(-y_area/LN(1-y_alpha_bar_250))+(-z_area/LN(1-z_alpha_bar_250)))","v":{"v":0.9047433769462894,"d":"0.90"}},{"$f":"(factor*room_volume)/(total_area^2)*((-x_area/LN(1-x_alpha_bar_500))+(-y_area/LN(1-y_alpha_bar_500))+(-z_area/LN(1-z_alpha_bar_500)))","v":{"v":0.5944216588808798,"d":"0.59"}},{"$f":"(factor*room_volume)/(total_area^2)*((-x_area/LN(1-x_alpha_bar_1k))+(-y_area/LN(1-y_alpha_bar_1k))+(-z_area/LN(1-z_alpha_bar_1k)))","v":{"v":0.8690692212051315,"d":"0.87"}},{"$f":"(factor*room_volume)/(total_area^2)*((-x_area/LN(1-x_alpha_bar_2k))+(-y_area/LN(1-y_alpha_bar_2k))+(-z_area/LN(1-z_alpha_bar_2k)))","v":{"v":0.680547853065753,"d":"0.68"}},{"$f":"(factor*room_volume)/(total_area^2)*((-x_area/LN(1-x_alpha_bar_4k))+(-y_area/LN(1-y_alpha_bar_4k))+(-z_area/LN(1-z_alpha_bar_4k)))","v":{"v":0.3026015751983237,"d":"0.30"}}]
[null,"Fitzroy 2",{"$f":"((2*factor*room_volume)/(total_area^2))*((room_height*(room_length+room_width)/alpha_star_ww_125)+((room_length*room_width)/alpha_star_cf_125))","v":{"v":0.5884085454852739,"d":"0.59"}},{"$f":"((2*factor*room_volume)/(total_area^2))*((room_height*(room_length+room_width)/alpha_star_ww_250)+((room_length*room_width)/alpha_star_cf_250))","v":{"v":0.8111340831839119,"d":"0.81"}},{"$f":"((2*factor*room_volume)/(total_area^2))*((room_height*(room_length+room_width)/alpha_star_ww_500)+((room_length*room_width)/alpha_star_cf_500))","v":{"v":0.3973551694694697,"d":"0.40"}},{"$f":"((2*factor*room_volume)/(total_area^2))*((room_height*(room_length+room_width)/alpha_star_ww_1k)+((room_length*room_width)/alpha_star_cf_1k))","v":{"v":0.3007371642224095,"d":"0.30"}},{"$f":"((2*factor*room_volume)/(total_area^2))*((room_height*(room_length+room_width)/alpha_star_ww_2k)+((room_length*room_width)/alpha_star_cf_2k))","v":{"v":0.25727224208594823,"d":"0.26"}},{"$f":"((2*factor*room_volume)/(total_area^2))*((room_height*(room_length+room_width)/alpha_star_ww_4k)+((room_length*room_width)/alpha_star_cf_4k))","v":{"v":0.2516758790530083,"d":"0.25"}}]
[null,"Arau",{"$f":"arau_x_125*arau_y_125*arau_z_125","v":{"v":0.7786748620618198,"d":"0.78"}},{"$f":"arau_x_250*arau_y_250*arau_z_250","v":{"v":0.7792371514174712,"d":"0.78"}},{"$f":"arau_x_500*arau_y_500*arau_z_500","v":{"v":0.41402654643624553,"d":"0.41"}},{"$f":"arau_x_1k*arau_y_1k*arau_z_1k","v":{"v":0.4008083297562794,"d":"0.40"}},{"$f":"arau_x_2k*arau_y_2k*arau_z_2k","v":{"v":0.32142790912277924,"d":"0.32"}},{"$f":"arau_x_4k*arau_y_4k*arau_z_4k","v":{"v":0.24060395773580134,"d":"0.24"}}]
[null,"Millington",{"$f":"(-factor*room_volume)/millington_sigma_125","v":{"v":0.6600051938476514,"d":"0.66"}},{"$f":"(-factor*room_volume)/millington_sigma_250","v":{"v":0.6414999087430667,"d":"0.64"}},{"$f":"(-factor*room_volume)/millington_sigma_500","v":{"v":0.25419621721258034,"d":"0.25"}},{"$f":"(-factor*room_volume)/millington_sigma_1k","v":{"v":0.16924543407513587,"d":"0.17"}},{"$f":"(-factor*room_volume)/millington_sigma_2k","v":{"v":0.11893385705627946,"d":"0.12"}},{"$f":"(-factor*room_volume)/millington_sigma_4k","v":{"v":0.18071632010977276,"d":"0.18"}}]
[]
[null,"On axis RT60"]
[null,"using Fitzroy 1","125Hz","250Hz","500Hz","1KHz","2KHz","4KHz"]
[null,"X axis",{"$f":"(factor*room_volume)/total_area^2*(-x_area/LN(1-x_alpha_bar_125))","v":{"v":0.13064559807478698,"d":"0.13"}},{"$f":"(factor*room_volume)/total_area^2*(-x_area/LN(1-x_alpha_bar_250))","v":{"v":0.37976721551190823,"d":"0.38"}},{"$f":"(factor*room_volume)/total_area^2*(-x_area/LN(1-x_alpha_bar_500))","v":{"v":0.2779855456306948,"d":"0.28"}},{"$f":"(factor*room_volume)/total_area^2*(-x_area/LN(1-x_alpha_bar_1k))","v":{"v":0.4433436612692815,"d":"0.44"}},{"$f":"(factor*room_volume)/total_area^2*(-x_area/LN(1-x_alpha_bar_2k))","v":{"v":0.3435647755487178,"d":"0.34"}},{"$f":"(factor*room_volume)/total_area^2*(-x_area/LN(1-x_alpha_bar_4k))","v":{"v":0.1327456879789431,"d":"0.13"}}]
[null,"Y axis",{"$f":"(factor*room_volume)/total_area^2*(-y_area/LN(1-y_alpha_bar_125))","v":{"v":0.11038072480757417,"d":"0.11"}},{"$f":"(factor*room_volume)/total_area^2*(-y_area/LN(1-y_alpha_bar_250))","v":{"v":0.3299697048139779,"d":"0.33"}},{"$f":"(factor*room_volume)/total_area^2*(-y_area/LN(1-y_alpha_bar_500))","v":{"v":0.2457509454844771,"d":"0.25"}},{"$f":"(factor*room_volume)/total_area^2*(-y_area/LN(1-y_alpha_bar_1k))","v":{"v":0.38722343485987765,"d":"0.39"}},{"$f":"(factor*room_volume)/total_area^2*(-y_area/LN(1-y_alpha_bar_2k))","v":{"v":0.30513371594560906,"d":"0.31"}},{"$f":"(factor*room_volume)/total_area^2*(-y_area/LN(1-y_alpha_bar_4k))","v":{"v":0.11848501598646759,"d":"0.12"}}]
[null,"Z axis",{"$f":"(factor*room_volume)/total_area^2*(-z_area/LN(1-z_alpha_bar_125))","v":{"v":0.6849271031935613,"d":"0.68"}},{"$f":"(factor*room_volume)/total_area^2*(-z_area/LN(1-z_alpha_bar_250))","v":{"v":0.19500645662040317,"d":"0.20"}},{"$f":"(factor*room_volume)/total_area^2*(-z_area/LN(1-z_alpha_bar_500))","v":{"v":0.07068516776570791,"d":"0.07"}},{"$f":"(factor*room_volume)/total_area^2*(-z_area/LN(1-z_alpha_bar_1k))","v":{"v":0.03850212507597231,"d":"0.04"}},{"$f":"(factor*room_volume)/total_area^2*(-z_area/LN(1-z_alpha_bar_2k))","v":{"v":0.031849361571426246,"d":"0.03"}},{"$f":"(factor*room_volume)/total_area^2*(-z_area/LN(1-z_alpha_bar_4k))","v":{"v":0.051370871232913035,"d":"0.05"}}]
[]
[null,"Basic differences between the different reverberation time formulae"]
[null,"Sabine","Classic reverberation time formula.  Assumes an average absorption for all surfaces and a perfectly diffuse sound field."]
[null,"Eyring","Modification to Sabine based on the mean free path and accounting for reflection attenuation within a diffuse field."]
[null,"Fitzroy 1","Modification to Eyring that accounts for unequal axial absorbancy."]
[null,"Fitzroy 2","Reinhard Neubauer's modification to Eyring that accounts for an \"almost two dimensional\" sound field. (Introduces the a* term)"]
[null,"Arau","Same consideration as Fitzroy, but calculates unequal absorbancy in a different way."]
[null,"Millington","Same consideration as Fitzroy, but accounts for the absorbency of each surface individually"]

{"sheet":"Schroeder Diffusers","index":6,"n_rows":36,"n_cols":33,"rows_kept":36}
[]
[null,"Schroeder diffuser well depth calculation"]
[null,"Prime seed =",13]
[null,"Design frequency =",1100,"Hz"]
[]
[null,"Effective Bandwidth","Lower","Upper"]
[null,"Hz",{"$f":"2^(LOG(design_frequency,2)-0.5)","v":777.817459305202},{"$f":"sound_velocity/(2*schroeder_well_width)","v":4014.598540145985}]
[]
[null,"Recommended well width =",{"$f":"(sound_velocity/design_frequency)*0.137","v":{"v":0.14025141846276315,"d":"0.140"}},{"$f":"IF(unitFactor=1,\"m\",\"ft\")","v":"ft"},"(Schroeder 1979)"]
{"$rows_empty":25}
[null,"Well No.",1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31]
[null,"QRD Sequence - Depth",{"$f":"MOD(C35^2,prime_seed)*(sound_velocity/(design_frequency*2*prime_seed))","v":{"v":0.039374345441539345,"d":"0.039"}},{"v":0.15749738176615738,"d":"0.157"},{"v":0.3543691089738541,"d":"0.354"},{"v":0.11812303632461804,"d":"0.118"},{"v":0.47249214529847217,"d":"0.472"},{"v":0.39374345441539343,"d":"0.394"},{"v":0.39374345441539343,"d":"0.394"},{"v":0.47249214529847217,"d":"0.472"},{"v":0.11812303632461804,"d":"0.118"},{"v":0.3543691089738541,"d":"0.354"},{"v":0.15749738176615738,"d":"0.157"},{"v":0.039374345441539345,"d":"0.039"},{"v":0,"d":"0.000"},{"v":0.039374345441539345,"d":"0.039"},{"v":0.15749738176615738,"d":"0.157"},{"v":0.3543691089738541,"d":"0.354"},{"v":0.11812303632461804,"d":"0.118"},{"v":0.47249214529847217,"d":"0.472"},{"v":0.39374345441539343,"d":"0.394"},{"v":0.39374345441539343,"d":"0.394"},{"v":0.47249214529847217,"d":"0.472"},{"v":0.11812303632461804,"d":"0.118"},{"v":0.3543691089738541,"d":"0.354"},{"v":0.15749738176615738,"d":"0.157"},{"v":0.039374345441539345,"d":"0.039"},{"v":0,"d":"0.000"},{"v":0.039374345441539345,"d":"0.039"},{"v":0.15749738176615738,"d":"0.157"},{"v":0.3543691089738541,"d":"0.354"},{"v":0.11812303632461804,"d":"0.118"},{"v":0.47249214529847217,"d":"0.472"}]

{"sheet":"Absorption Coefficients","index":7,"n_rows":383,"n_cols":14,"rows_kept":383}
[]
[null,"Absorption values"]
[null,"These values are quoted as published by the manufacturers.  However, any values that are > 0.99 have been rounded down to 0.99 when used for RT60 calculation."]
[null,"This rounding is performed to prevent any RT60 equation containing the term ln(1 - a) from breaking down."]
[]
[null,"If you cannot find the absorption values for the materials in your control room, then you may enter your own, user defined values in the locations provided."]
[]
[null,"Id","Ceilings","Thickness (mm)","Cavity (mm)","Absorption layer (mm)","Perforation (%age)","125 Hz","250 Hz","500 Hz","1 KHz","2 KHz","4 KHz","Source"]
[null,1000,"N/A",{"$nulls":4},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"}]
[null,1001,"Perfect Absorber",{"$nulls":4},0.99,0.99,0.99,0.99,0.99,0.99]
[null,1002,"80% Absorbent",{"$nulls":4},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"}]
[null,1003,"60% Absorbent",{"$nulls":4},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"}]
[null,1004,"40% Absorbent",{"$nulls":4},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"}]
[null,1005,"20% Absorbent",{"$nulls":4},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"}]
[null,1006,"Abffusor (absorbing/diffusing panel)",100,0,null,null,0.48,0.98,{"v":1.2,"d":"1.20"},{"v":1.1,"d":"1.10"},1.07,1.16,"RPG Diffusor Systems Inc."]
[null,1007,"Abffusor (absorbing/diffusing panel)",100,400,null,null,0.82,{"v":0.9,"d":"0.90"},1.07,1.04,1.05,1.04,"RPG Diffusor Systems Inc."]
[null,1008,"Acoustic tiles, 3/16\" holes at 1/2\" centres",19,{"$nulls":3},{"v":0.1,"d":"0.10"},0.35,{"v":0.7,"d":"0.70"},0.75,0.65,{"v":0.5,"d":"0.50"},"SAE College"]
[null,1009,"Almute",3,100,0,null,0.31,0.64,0.84,0.93,0.64,1.24,"RPG Diffusor Systems Inc."]
[null,1010,"Almute",3,200,0,null,0.44,0.81,0.87,0.52,0.69,{"v":0.8,"d":"0.80"},"RPG Diffusor Systems Inc."]
[null,1011,"Almute",3,200,50,null,0.82,0.99,1.09,1.08,1.02,1.04,"RPG Diffusor Systems Inc."]
[null,1012,"Almute",3,400,0,null,0.85,{"v":0.8,"d":"0.80"},0.46,{"v":0.6,"d":"0.60"},{"v":0.7,"d":"0.70"},{"v":0.8,"d":"0.80"},"RPG Diffusor Systems Inc."]
[null,1013,"Almute",3,400,50,null,0.77,1.03,0.93,1.07,1.03,1.07,"RPG Diffusor Systems Inc."]
[null,1014,"Almute",3,50,0,null,0.13,0.28,0.59,0.86,{"v":0.9,"d":"0.90"},0.67,"RPG Diffusor Systems Inc."]
[null,1015,"Almute",3,50,50,null,0.36,0.86,1.13,1.06,{"v":0.9,"d":"0.90"},0.71,"RPG Diffusor Systems Inc."]
[null,1016,"B24/X24 Panels (2'x4' 6# FG panel with fabric facing)",25.4,{"$nulls":3},0.07,0.29,{"v":0.8,"d":"0.80"},1.01,1.05,0.99,"Auralex Acoustics"]
[null,1017,"Baffles, mineral wool 0.5 baffles/m2",50,{"$nulls":3},{"v":0.2,"d":"0.20"},0.29,0.51,0.68,0.65,0.64,"Acoustics-Engineering"]
[null,1018,"Baffles, mineral wool 0.5 baffles/m2",80,{"$nulls":3},0.23,0.37,0.65,{"v":0.7,"d":"0.70"},0.69,0.68,"Acoustics-Engineering"]
[null,1019,"Baffles, mineral wool 1 baffle/m2",50,{"$nulls":3},0.45,0.46,0.82,1.04,1.06,1.04,"Acoustics-Engineering"]
[null,1020,"Baffles, mineral wool 1 baffle/m2",80,{"$nulls":3},0.47,0.61,1.11,1.22,1.22,1.19,"Acoustics-Engineering"]
[null,1021,"Baffles, mineral wool 2 baffles/m2",50,{"$nulls":3},0.52,0.81,1.46,1.71,1.73,1.65,"Acoustics-Engineering"]
[null,1022,"Baffles, mineral wool 2 baffles/m2",80,{"$nulls":3},0.55,0.99,1.74,{"v":1.8,"d":"1.80"},1.78,1.68,"Acoustics-Engineering"]
[null,1023,"Chipboard on frame",19,120,0,null,{"v":0.3,"d":"0.30"},0.11,0.15,0.08,0.12,0.24,"Acoustics-Engineering"]
[null,1024,"Chipboard on frame",19,120,40,null,0.24,0.14,0.16,0.09,0.14,0.17,"Acoustics-Engineering"]
[null,1025,"Chipboard on frame",19,60,0,null,0.33,{"v":0.1,"d":"0.10"},0.12,{"v":0.1,"d":"0.10"},0.14,0.26,"Acoustics-Engineering"]
[null,1026,"Chipboard on frame",19,60,40,null,0.29,0.14,0.12,0.11,0.18,0.11,"Acoustics-Engineering"]
[null,1027,"Concrete, painted",{"$nulls":4},0.01,0.01,0.01,0.02,0.02,0.02,"Acoustics-Engineering"]
[null,1028,"Concrete, porous",{"$nulls":4},0.14,0.19,0.24,0.32,0.41,{"v":0.5,"d":"0.50"},"Acoustics-Engineering"]
[null,1029,"Concrete, smooth",{"$nulls":4},0.01,0.01,0.02,0.02,0.03,0.04,"Acoustics-Engineering"]
[null,1030,"ELiTE Absorber (Natural fiber core with fabric facing)",25.4,{"$nulls":3},0.08,0.31,0.79,1.01,{"v":1,"d":"1.00"},0.99,"Auralex Acoustics"]
[null,1031,"ISOLECO 1000  suspended ceiling",25,300,null,null,{"v":0.6,"d":"0.60"},0.67,0.68,0.84,0.85,0.62,"Caldic Isolatietechniek BV"]
[null,1032,"ISOLECO baffles, 0.5 baffle(s)/m2, framed",50,{"$nulls":3},0.09,0.24,0.41,0.56,0.52,{"v":0.5,"d":"0.50"},"Caldic Isolatietechniek BV"]
[null,1033,"ISOLECO baffles, 0.5 baffle(s)/m2, framed",80,{"$nulls":3},0.06,0.31,0.58,0.65,0.54,0.48,"Caldic Isolatietechniek BV"]
[null,1034,"ISOLECO baffles, 0.5 baffle(s)/m2, sealed",50,{"$nulls":3},0.07,0.21,0.39,0.53,0.53,0.46,"Caldic Isolatietechniek BV"]
[null,1035,"ISOLECO baffles, 0.5 baffle(s)/m2, sealed",80,{"$nulls":3},{"v":0.1,"d":"0.10"},0.25,0.54,{"v":0.6,"d":"0.60"},0.56,0.47,"Caldic Isolatietechniek BV"]
[null,1036,"ISOLECO baffles, 1.0 baffle(s)/m2, framed",50,{"$nulls":3},0.22,0.31,0.57,0.75,0.63,0.58,"Caldic Isolatietechniek BV"]
[null,1037,"ISOLECO baffles, 1.0 baffle(s)/m2, framed",80,{"$nulls":3},0.25,0.38,{"v":0.8,"d":"0.80"},0.86,0.71,0.66,"Caldic Isolatietechniek BV"]
[null,1038,"ISOLECO baffles, 1.0 baffle(s)/m2, sealed",50,{"$nulls":3},0.27,0.32,{"v":0.6,"d":"0.60"},{"v":0.8,"d":"0.80"},0.75,0.65,"Caldic Isolatietechniek BV"]
[null,1039,"ISOLECO baffles, 1.0 baffle(s)/m2, sealed",80,{"$nulls":3},0.28,0.39,0.74,0.85,0.76,0.64,"Caldic Isolatietechniek BV"]
[null,1040,"ISOLECO baffles, 2.0 baffle(s)/m2, framed",50,{"$nulls":3},0.35,{"v":0.4,"d":"0.40"},0.74,0.92,0.75,0.66,"Caldic Isolatietechniek BV"]
[null,1041,"ISOLECO baffles, 2.0 baffle(s)/m2, framed",80,{"$nulls":3},{"v":0.5,"d":"0.50"},0.62,0.93,{"v":1,"d":"1.00"},0.84,0.79,"Caldic Isolatietechniek BV"]
[null,1042,"ISOLECO baffles, 2.0 baffle(s)/m2, sealed",50,{"$nulls":3},0.36,0.48,0.86,1.06,{"v":1,"d":"1.00"},0.85,"Caldic Isolatietechniek BV"]
[null,1043,"ISOLECO baffles, 2.0 baffle(s)/m2, sealed",80,{"$nulls":3},{"v":0.5,"d":"0.50"},0.56,0.97,{"v":1.1,"d":"1.10"},1.03,0.92,"Caldic Isolatietechniek BV"]
[null,1044,"Kydex QRD (Lightweight diffusor)",100,483,null,null,0.53,0.37,0.38,0.32,0.15,0.18,"RPG Diffusor Systems Inc."]
[null,1045,"Laths, 45mm wide, separated by 16mm",25,50,20,null,0.19,0.36,0.73,{"v":0.5,"d":"0.50"},0.25,0.31,"Acoustics-Engineering"]
[null,1046,"Laths, 85mm wide, separated by 25mm",12,100,25,null,{"v":0.6,"d":"0.60"},0.85,{"v":0.8,"d":"0.80"},0.82,{"v":0.7,"d":"0.70"},0.62,"Acoustics-Engineering"]
[null,1047,"Lawapan chipboard 630 kg/m3",17.5,300,50,{"v":0.25,"d":"25.0%"},0.89,0.93,0.95,0.86,0.67,0.58,"Lambri Fabrieken BV"]
[null,1048,"Lawapan chipboard 630 kg/m3",17.5,300,50,{"v":0.15,"d":"15.0%"},0.79,0.84,0.85,{"v":0.7,"d":"0.70"},0.45,0.35,"Lambri Fabrieken BV"]
[null,1049,"Lawapan chipboard 700 kg/m3",17.5,300,50,{"v":0.25,"d":"25.0%"},0.83,0.92,0.95,0.87,0.61,0.51,"Lambri Fabrieken BV"]
[null,1050,"Lawapan MDF 680 kg/m3",17.5,300,50,{"v":0.25,"d":"25.0%"},0.86,0.94,0.89,0.82,0.56,0.43,"Lambri Fabrieken BV"]
[null,1051,"Lawapan MDF 680 kg/m3",17.5,300,50,{"v":0.44,"d":"44.0%"},0.77,0.91,0.94,{"v":0.9,"d":"0.90"},0.78,{"v":0.7,"d":"0.70"},"Lambri Fabrieken BV"]
[null,1052,"LENRD Bass Traps (2'x1' Triangular Foam Bass Trap)",305,{"$nulls":3},1.24,1.28,1.45,1.39,1.27,1.31,"Auralex Acoustics"]
[null,1053,"M-111 Tiles (1'x1' Melamine tiles)",51,{"$nulls":3},0.12,0.25,0.73,0.91,0.97,0.99,"Auralex Acoustics"]
[null,1054,"MAX-Pak Studiofoam Wedges (2'x4' Foam Panel)",38,{"$nulls":3},0.13,0.22,0.47,0.66,0.81,1.01,"Auralex Acoustics"]
[null,1055,"MAX-Wall Panels 01 (20\"x48\" Stand-mounted Panel)",{"$nulls":4},0.81,1.02,1.06,1.05,1.02,1.02,"Auralex Acoustics"]
[null,1056,"MegaMAX-Wall Panels 01 (24\"x48\" Stand-mounted Panel)",{"$nulls":4},1.32,1.17,1.17,1.08,1.07,1.02,"Auralex Acoustics"]
[null,1057,"Metal deck, perforated channels, 1\" batts",{"$nulls":4},0.19,0.69,0.99,0.88,0.52,0.27,"SAE College"]
[null,1058,"Metal deck, perforated channels, 3\" batts",{"$nulls":4},0.73,0.99,0.99,0.89,0.52,0.31,"SAE College"]
[null,1059,"Metro LENRD Bass Traps (2'x1' Triangular Foam Bass Trap)",305,{"$nulls":3},1.17,1.15,1.28,{"v":1.2,"d":"1.20"},1.15,1.12,"Auralex Acoustics"]
[null,1060,"MetroFusor4 (23.75\"x23.75\" Diffusor panel)",{"$nulls":4},0.06,0.05,0.14,0.36,0.68,0.47,"Auralex Acoustics"]
[null,1061,"Mineral Fiber (2'x4' Mineral fiber panel, no facing)",51,{"$nulls":3},0.32,{"v":0.9,"d":"0.90"},1.11,1.07,1.01,1.05,"Auralex Acoustics"]
[null,1062,"Mineral Fiber (2'x4' Mineral fiber panel, no facing)",101.6,{"$nulls":3},1.11,0.91,1.07,1.03,1.06,1.07,"Auralex Acoustics"]
[null,1063,"Mineral wool blanket",50,0,null,null,0.24,0.57,0.88,1.01,0.94,0.94,"Acoustics-Engineering"]
[null,1064,"Mineral wool blanket",100,0,null,null,0.46,0.79,1.12,{"v":1,"d":"1.00"},0.98,0.97,"Acoustics-Engineering"]
[null,1065,"Mineral wool panel",50,0,null,null,0.24,0.57,0.88,1.01,0.94,{"v":0.9,"d":"0.90"},"Acoustics-Engineering"]
[null,1066,"Mineral wool panel",100,0,null,null,0.78,1.07,1.18,1.06,0.98,0.98,"Acoustics-Engineering"]
[null,1067,"Open cell foam",50,{"$nulls":3},0.12,0.31,0.78,1.02,1.12,{"v":1.2,"d":"1.20"},"Acoustics-Engineering"]
[null,1068,"Open cell foam",70,{"$nulls":3},0.13,0.56,0.99,1.15,1.15,{"v":1.2,"d":"1.20"},"Acoustics-Engineering"]
[null,1069,"Plaster on lath",{"$nulls":4},0.14,{"v":0.1,"d":"0.10"},0.06,0.05,0.04,0.04,"SAE College"]
[null,1070,"Plaster, acoustic",{"$nulls":4},0.15,{"v":0.2,"d":"0.20"},0.35,{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"},{"v":0.5,"d":"0.50"},"Acoustics-Engineering"]
[null,1071,"Plaster, lime",{"$nulls":4},0.01,0.01,0.02,0.02,0.02,0.04,"Acoustics-Engineering"]
[null,1072,"Plasterboard on frame",9.5,120,0,null,0.22,0.08,0.11,0.07,0.09,0.22,"Acoustics-Engineering"]
[null,1073,"Plasterboard on frame",9.5,120,40,null,0.23,0.12,0.09,0.06,0.11,0.22,"Acoustics-Engineering"]
[null,1074,"Plasterboard on frame",9.5,60,0,null,0.31,0.08,0.04,0.07,0.09,0.08,"Acoustics-Engineering"]
[null,1075,"Plasterboard on frame",9.5,60,40,null,0.25,0.17,0.04,0.06,0.08,0.22,"Acoustics-Engineering"]
[null,1076,"Plasterboard, 1/2\" in suspended grid",{"$nulls":4},0.15,0.11,0.04,0.04,0.07,0.08,"SAE College"]
[null,1077,"Plasterboard, perforated",9.5,100,30,{"v":0.196,"d":"19.6%"},{"v":0.3,"d":"0.30"},0.69,1.01,0.81,0.66,0.62,"Acoustics-Engineering"]
[null,1078,"Plasterboard, perforated",9.5,100,30,{"v":0.06,"d":"6.0%"},0.39,0.81,0.68,0.44,0.25,{"v":0.2,"d":"0.20"},"Acoustics-Engineering"]
[null,1079,"Plywood on frame",4,120,0,null,0.47,{"v":0.1,"d":"0.10"},{"v":0.1,"d":"0.10"},0.04,0.07,0.06,"Acoustics-Engineering"]
[null,1080,"Plywood on frame",4,120,40,null,0.43,0.16,0.11,0.05,0.05,0.09,"Acoustics-Engineering"]
[null,1081,"Plywood on frame",4,60,0,null,0.22,0.12,0.14,0.06,0.04,0.09,"Acoustics-Engineering"]
[null,1082,"Plywood on frame",4,60,40,null,{"v":0.5,"d":"0.50"},{"v":0.2,"d":"0.20"},0.12,0.06,0.05,{"v":0.1,"d":"0.10"},"Acoustics-Engineering"]
[null,1083,"Plywood on frame",6,50,50,null,0.57,0.37,0.13,0.07,0.06,0.03,"Acoustics-Engineering"]
[null,1084,"ProColumns (4'x1' Column Absorber with fabric facing)",153,{"$nulls":3},1.11,{"v":1.1,"d":"1.10"},1.39,1.35,1.33,1.24,"Auralex Acoustics"]
[null,1085,"QRD-734",null,0,null,null,0.23,0.24,0.35,0.23,{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"},"RPG Diffusor Systems Inc."]
[null,1086,"Softboard (unpainted)",19,23,null,null,0.24,0.57,0.88,1.01,0.94,{"v":0.9,"d":"0.90"},"Acoustics-Engineering"]
[null,1087,"SonoColumns (4'x1' Foam Column Absorber)",153,{"$nulls":3},{"v":1.1,"d":"1.10"},1.36,{"v":1.5,"d":"1.50"},1.38,1.34,1.33,"Auralex Acoustics"]
[null,1088,"SonoFiber (2'x2' Natural fiber panel, no facing)",25.4,{"$nulls":3},0.09,{"v":0.2,"d":"0.20"},0.72,0.97,1.04,1.01,"Auralex Acoustics"]
[null,1089,"SonoFlats (2'x2' Flat, beveled Foam Panel)",51,{"$nulls":3},0.16,0.46,0.99,1.12,1.14,1.13,"Auralex Acoustics"]
[null,1090,"Sonomatt (4'x8' Foam Panel)",51,{"$nulls":3},0.13,0.27,0.62,0.92,1.02,1.02,"Auralex Acoustics"]
[null,1091,"Sonorex Baffles 1200x600x50mm 0.5 baffle/m2",{"$nulls":4},0.29,0.38,0.52,0.62,0.55,0.52,"Asbipro Prefab BV"]
[null,1092,"Sonorex Baffles 1200x600x50mm 1.0 baffle/m2",{"$nulls":4},0.47,0.58,0.83,0.87,0.78,0.77,"Asbipro Prefab BV"]
[null,1093,"Sonorex Baffles 1200x600x50mm 1.5 baffle/m2",{"$nulls":4},0.38,0.63,0.92,{"v":1,"d":"1.00"},0.89,0.82,"Asbipro Prefab BV"]
[null,1094,"Sonorex Baffles 1200x800x50mm 0.5 baffle/m2",{"$nulls":4},0.18,0.43,0.65,0.75,0.67,0.65,"Asbipro Prefab BV"]
[null,1095,"Sonorex Baffles 1200x800x50mm 1.0 baffle/m2",{"$nulls":4},{"v":0.3,"d":"0.30"},{"v":0.6,"d":"0.60"},0.96,{"v":1,"d":"1.00"},0.88,0.85,"Asbipro Prefab BV"]
[null,1096,"Sonorex Baffles 1200x800x50mm 1.5 baffle/m2",{"$nulls":4},0.34,0.75,{"v":1,"d":"1.00"},1.05,0.97,0.94,"Asbipro Prefab BV"]
[null,1097,"Sonorex Sonoseal G25 (glass wool fibre plate)",1.5,200,25,{"v":0.225,"d":"22.5%"},0.32,0.67,{"v":0.8,"d":"0.80"},0.72,0.81,0.58,"Asbipro Prefab BV"]
[null,1098,"Sonorex Sonoseal G50 (glass wool fibre plate)",1.5,200,50,{"v":0.225,"d":"22.5%"},0.49,0.89,0.93,0.91,0.82,0.68,"Asbipro Prefab BV"]
[null,1099,"Sonorex Sonoseal S25 (rock wool fibre plate)",1.5,200,25,{"v":0.225,"d":"22.5%"},0.33,0.64,0.83,0.75,0.85,0.63,"Asbipro Prefab BV"]
[null,1100,"Sonorex Sonoseal S50 (rock wool fibre plate)",1.5,200,50,{"v":0.225,"d":"22.5%"},0.51,0.89,0.96,0.93,0.84,0.69,"Asbipro Prefab BV"]
[null,1101,"Sprayed cellulose fibre, 1 1/4\", solid backing",{"$nulls":4},{"v":0.1,"d":"0.10"},{"v":0.3,"d":"0.30"},0.73,0.92,0.98,0.98,"SAE College"]
[null,1102,"Sprayed cellulose fibre, 1\", lath",{"$nulls":4},0.47,{"v":0.9,"d":"0.90"},{"v":1.1,"d":"1.10"},1.03,1.05,1.03,"SAE College"]
[null,1103,"Sprayed cellulose fibre, 1\", solid backing",{"$nulls":4},0.08,0.29,0.75,0.98,0.93,0.76,"SAE College"]
[null,1104,"Sprayed cellulose fibre, 3\", solid backing",{"$nulls":4},{"v":0.7,"d":"0.70"},0.95,{"v":1,"d":"1.00"},0.85,0.85,{"v":0.9,"d":"0.90"},"SAE College"]
[null,1105,"Sprayed cellulose fibre, 5/8\", solid backing",{"$nulls":4},0.05,0.16,0.44,0.79,{"v":0.9,"d":"0.90"},0.91,"SAE College"]
[null,1106,"Studiofoam Metro (2'x4' Foam Panel)",51,{"$nulls":3},0.13,0.23,0.68,0.93,0.91,0.89,"Auralex Acoustics"]
[null,1107,"Studiofoam Metro (2'x4' Foam Panel)",101.6,{"$nulls":3},0.31,0.72,1.19,1.26,1.22,{"v":1.2,"d":"1.20"},"Auralex Acoustics"]
[null,1108,"Studiofoam Pyramids (2'x4' Foam Panel)",51,{"$nulls":3},0.13,0.18,0.57,0.96,1.03,0.98,"Auralex Acoustics"]
[null,1109,"Studiofoam Pyramids (2'x4' Foam Panel)",101.6,{"$nulls":3},0.27,{"v":0.5,"d":"0.50"},1.01,1.13,1.11,1.12,"Auralex Acoustics"]
[null,1110,"Studiofoam Wedges (2'x4' Foam Panel)",25.4,{"$nulls":3},{"v":0.1,"d":"0.10"},0.13,{"v":0.3,"d":"0.30"},0.68,0.94,{"v":1,"d":"1.00"},"Auralex Acoustics"]
[null,1111,"Studiofoam Wedges (2'x4' Foam Panel)",51,{"$nulls":3},0.11,{"v":0.3,"d":"0.30"},0.91,1.05,0.99,{"v":1,"d":"1.00"},"Auralex Acoustics"]
[null,1112,"Studiofoam Wedges (2'x4' Foam Panel)",76.4,{"$nulls":3},0.23,0.49,1.06,1.04,0.96,1.05,"Auralex Acoustics"]
[null,1113,"Studiofoam Wedges (2'x4' Foam Panel)",101.6,{"$nulls":3},0.31,0.85,1.25,1.14,1.06,1.09,"Auralex Acoustics"]
[null,1114,"Sunburst Female (4'x1' Concave Foam Absorber)",{"$nulls":4},0.65,1.02,{"v":1,"d":"1.00"},1.08,1.05,1.08,"Auralex Acoustics"]
[null,1115,"Sunburst Male (4'x1' Semi-cylindrical Foam Absorber)",{"$nulls":4},1.08,1.23,1.14,1.07,1.05,1.08,"Auralex Acoustics"]
[null,1116,"T'Fusor 01 (23.75\"x23.75\" Diffusor panel)",{"$nulls":4},0.36,0.39,0.23,{"v":0.1,"d":"0.10"},0.09,0.07,"Auralex Acoustics"]
[null,1117,"T'Fusor 02 (23.75\"x23.75\" Diffusor panel)",{"$nulls":4},0.45,0.31,0.23,0.16,0.15,0.21,"Auralex Acoustics"]
[null,1118,"Underlay in perforated metal panels, 1\" batts",{"$nulls":4},0.51,0.78,0.57,0.77,{"v":0.9,"d":"0.90"},0.79,"SAE College"]
[null,1119,"Venus Bass Traps (2'x4' Foam Panel)",305,{"$nulls":3},1.63,1.34,1.29,1.26,1.25,{"v":1.2,"d":"1.20"},"Auralex Acoustics"]
[null,1120,"VersaTile Concave (24\"x16\" Foam Panel)",51,{"$nulls":3},0.26,0.52,{"v":0.9,"d":"0.90"},0.92,0.92,{"v":1,"d":"1.00"},"Auralex Acoustics"]
[null,1121,"VersaTile Convex (24\"x16\" Foam Panel)",51,{"$nulls":3},0.36,0.48,0.84,{"v":0.8,"d":"0.80"},{"v":0.9,"d":"0.90"},0.99,"Auralex Acoustics"]
[null,1122,"VersaTile Corner (24\"x16\" Foam Panel)",51,{"$nulls":3},0.88,1.01,0.99,1.12,1.13,1.17,"Auralex Acoustics"]
[null,1123,"Wedgies (1'x1' Foam Tile)",51,{"$nulls":3},0.15,0.21,{"v":0.7,"d":"0.70"},0.99,1.05,1.05,"Auralex Acoustics"]
[null,1124,"Wooden tongue-in-groove roof decking",{"$nulls":4},0.24,0.19,0.14,0.08,0.13,{"v":0.1,"d":"0.10"},"SAE College"]
[null,1125,"User defined ceiling 1 -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,1126,"User defined ceiling 2 -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,1127,"User defined ceiling -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,1128,"User defined ceiling -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,1129,"User defined ceiling -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,1130,"User defined ceiling -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,1131,"User defined ceiling -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,1132,"User defined ceiling -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,1133,"User defined ceiling -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,1134,"User defined ceiling -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,null,"Floorings"]
[null,2000,"N/A",{"$nulls":4},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"}]
[null,2001,"Perfect Absorber",{"$nulls":4},0.99,0.99,0.99,0.99,0.99,0.99]
[null,2002,"80% Absorbent",{"$nulls":4},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"}]
[null,2003,"60% Absorbent",{"$nulls":4},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"}]
[null,2004,"40% Absorbent",{"$nulls":4},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"}]
[null,2005,"20% Absorbent",{"$nulls":4},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"}]
[null,2006,"10 mm soft carpet on concrete",{"$nulls":4},0.09,0.08,0.21,0.26,0.27,0.37,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2007,"5 mm rubber carpet on concrete",{"$nulls":4},0.04,0.04,0.08,0.12,{"v":0.1,"d":"0.10"},{"v":0.1,"d":"0.10"},"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2008,"Board on joist floor",{"$nulls":4},0.15,{"v":0.2,"d":"0.20"},{"v":0.1,"d":"0.10"},{"v":0.1,"d":"0.10"},{"v":0.1,"d":"0.10"},{"v":0.1,"d":"0.10"},"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2009,"Carpet 1.87 kg/m2",4.5,{"$nulls":3},0.01,0.02,0.04,0.15,0.36,0.32,"Acoustics-Engineering"]
[null,2010,"Carpet 1.87 kg/m2 on under-lay",4.5,{"$nulls":3},0.05,0.13,{"v":0.6,"d":"0.60"},0.24,0.28,0.32,"Acoustics-Engineering"]
[null,2011,"Carpet 1.98 kg/m2",5.3,{"$nulls":3},0.01,0.03,0.05,0.11,0.31,0.58,"Acoustics-Engineering"]
[null,2012,"Carpet 1.98 kg/m2 on under-lay",{"$nulls":4},0.04,{"v":0.1,"d":"0.10"},0.31,{"v":0.7,"d":"0.70"},0.93,0.74,"Acoustics-Engineering"]
[null,2013,"Carpet heavy, on concrete",{"$nulls":4},0.02,0.06,0.14,0.37,{"v":0.6,"d":"0.60"},0.65,"Handbook of Acoustical Measurements and Noise Control"]
[null,2014,"Carpet heavy, on hairfelt or foam rubber",{"$nulls":4},0.08,0.24,0.57,0.69,0.71,0.73,"Handbook of Acoustical Measurements and Noise Control"]
[null,2015,"Carpet heavy, with impermeable latex backing on hairfelt or foam rubber",{"$nulls":4},0.08,0.27,0.39,0.34,0.48,0.63,"Handbook of Acoustical Measurements and Noise Control"]
[null,2016,"Carpet, heavy, cemented to concrete",{"$nulls":4},0.02,0.06,0.14,0.37,{"v":0.6,"d":"0.60"},0.65,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2017,"Carpet, heavy, over foam rubber",{"$nulls":4},0.08,0.24,0.57,0.69,0.71,0.73,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2018,"Carpets, 2 cm",{"$nulls":4},{"v":0.1,"d":"0.10"},0.14,{"v":0.2,"d":"0.20"},0.33,{"v":0.5,"d":"0.50"},{"v":0.6,"d":"0.60"},"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2019,"Concrete floor",{"$nulls":4},0.01,0.01,0.02,0.02,0.02,0.02,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2020,"Concrete or terrazzo",{"$nulls":4},0.01,0.01,0.02,0.02,0.02,0.02,"Handbook of Acoustical Measurements and Noise Control"]
[null,2021,"Concrete, painted",{"$nulls":4},0.01,0.01,0.01,0.02,0.02,0.02,"Acoustics-Engineering"]
[null,2022,"Concrete, porous",{"$nulls":4},0.14,0.19,0.24,0.32,0.41,{"v":0.5,"d":"0.50"},"Acoustics-Engineering"]
[null,2023,"Concrete, rough unpainted",{"$nulls":4},0.01,0.02,0.04,0.06,0.08,{"v":0.1,"d":"0.10"},"SAE College"]
[null,2024,"Concrete, sealed or painted",{"$nulls":4},0.01,0.01,{"v":0.015,"d":"0.02"},0.02,0.02,0.02,"SAE College"]
[null,2025,"Concrete, smooth",{"$nulls":4},0.01,0.01,0.02,0.02,0.03,0.04,"Acoustics-Engineering"]
[null,2026,"Lawapan chipboard 630 kg/m3",17.5,300,50,{"v":0.25,"d":"25.0%"},0.89,0.93,0.95,0.86,0.67,0.58,"Lambri Fabrieken BV"]
[null,2027,"Lawapan chipboard 630 kg/m3",17.5,300,50,{"v":0.15,"d":"15.0%"},0.79,0.84,0.85,{"v":0.7,"d":"0.70"},0.45,0.35,"Lambri Fabrieken BV"]
[null,2028,"Lawapan chipboard 700 kg/m3",17.5,300,50,{"v":0.25,"d":"25.0%"},0.83,0.92,0.95,0.87,0.61,0.51,"Lambri Fabrieken BV"]
[null,2029,"Lawapan MDF 680 kg/m3",17.5,300,50,{"v":0.25,"d":"25.0%"},0.86,0.94,0.89,0.82,0.56,0.43,"Lambri Fabrieken BV"]
[null,2030,"Lawapan MDF 680 kg/m3",17.5,300,50,{"v":0.44,"d":"44.0%"},0.77,0.91,0.94,{"v":0.9,"d":"0.90"},0.78,{"v":0.7,"d":"0.70"},"Lambri Fabrieken BV"]
[null,2031,"Linoleum",{"$nulls":4},0.02,0.03,0.04,0.05,0.05,0.06,"Acoustics-Engineering"]
[null,2032,"Linoleum directly on concrete",{"$nulls":4},0.02,0.02,0.03,0.03,0.04,0.04,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2033,"Linoleum on concrete",{"$nulls":4},0.02,0.03,0.03,0.03,0.03,0.03,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2034,"Linoleum on wooden floor",{"$nulls":4},0.15,0.12,0.11,{"v":0.1,"d":"0.10"},0.07,0.08,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2035,"Linoleum, asphalt, rubber or cork tile on concrete",{"$nulls":4},0.02,0.03,0.03,0.03,0.03,0.02,"Handbook of Acoustical Measurements and Noise Control"]
[null,2036,"Marble",{"$nulls":4},0.01,0.01,0.01,0.01,0.02,0.02,"Acoustics-Engineering"]
[null,2037,"Marble or glazed tile",{"$nulls":4},0.01,0.01,0.01,0.01,0.02,0.02,"SAE College"]
[null,2038,"Needle felt",{"$nulls":4},0.02,0.05,0.08,0.17,0.27,0.32,"Acoustics-Engineering"]
[null,2039,"Thin carpet cemented to concrete",{"$nulls":4},0.02,0.04,0.08,{"v":0.2,"d":"0.20"},0.35,{"v":0.4,"d":"0.40"},"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2040,"Tiles on concrete",{"$nulls":4},0.02,0.02,0.02,0.02,0.03,0.03,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2041,"Timber floor on timber joints",{"$nulls":4},0.11,0.11,0.12,0.11,{"v":0.1,"d":"0.10"},0.08,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2042,"Vinyl tile or linoleum on concrete",{"$nulls":4},0.02,0.03,0.03,0.03,0.03,0.02,"SAE College"]
[null,2043,"Wood parquet in asphalt on concrete",{"$nulls":4},0.04,0.04,0.07,0.06,0.06,0.07,"Handbook of Acoustical Measurements and Noise Control"]
[null,2044,"Wood parquet on concrete",{"$nulls":4},0.04,0.04,0.06,0.12,{"v":0.1,"d":"0.10"},0.15,"Acoustics-Engineering"]
[null,2045,"Wood parquet on concrete",{"$nulls":4},0.04,0.04,0.07,0.06,0.06,0.07,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2046,"Wooden floor in asphalt on concrete",{"$nulls":4},0.04,0.04,0.07,0.06,0.06,0.07,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2047,"Wooden floor on joists",{"$nulls":4},0.15,0.11,{"v":0.1,"d":"0.10"},0.07,0.06,0.07,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,2048,"User defined floor -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2049,"User defined floor -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2050,"User defined floor -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2051,"User defined floor -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2052,"User defined floor -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2053,"User defined floor -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2054,"User defined floor -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2055,"User defined floor -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2056,"User defined floor -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2057,"User defined floor -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,null,"Seating Materials"]
[null,2058,"Benches, cushioned seats & backs, 2/3 occupied",{"$nulls":4},0.44,0.56,0.65,0.72,0.72,0.67,"SAE College"]
[null,2059,"Benches, cushioned seats & backs, empty",{"$nulls":4},0.32,{"v":0.4,"d":"0.40"},0.42,0.44,0.43,0.48,"SAE College"]
[null,2060,"Benches, cushioned seats & backs, fully occupied",{"$nulls":4},{"v":0.5,"d":"0.50"},0.64,0.76,0.86,0.86,0.76,"SAE College"]
[null,2061,"Benches, wooden, 2/3 occupied",{"$nulls":4},0.37,{"v":0.4,"d":"0.40"},0.47,0.53,0.56,0.53,"SAE College"]
[null,2062,"Benches, wooden, empty",{"$nulls":4},{"v":0.1,"d":"0.10"},0.09,0.08,0.08,0.08,0.08,"SAE College"]
[null,2063,"Benches, wooden, fully occupied",{"$nulls":4},{"v":0.5,"d":"0.50"},0.56,0.66,0.76,{"v":0.8,"d":"0.80"},0.76,"SAE College"]
[null,2064,"Seats, fabric upholstered, empty",{"$nulls":4},0.49,0.66,{"v":0.8,"d":"0.80"},0.88,0.82,{"v":0.7,"d":"0.70"},"SAE College"]
[null,2065,"Seats, fabric upholstered, fully occupied",{"$nulls":4},{"v":0.6,"d":"0.60"},0.74,0.88,0.96,0.93,0.85,"SAE College"]
[null,2066,"Theatre seats, wooden, 2/3 occupied",{"$nulls":4},0.34,0.21,0.28,0.53,0.56,0.53,"SAE College"]
[null,2067,"Theatre seats, wooden, empty",{"$nulls":4},0.03,0.04,0.05,0.07,0.08,0.08,"SAE College"]
[null,2068,"Theatre seats, wooden, fully occupied",{"$nulls":4},{"v":0.5,"d":"0.50"},{"v":0.3,"d":"0.30"},{"v":0.4,"d":"0.40"},0.76,{"v":0.8,"d":"0.80"},0.76,"SAE College"]
[null,2069,"User defined seating -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2070,"User defined seating -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2071,"User defined seating -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2072,"User defined seating -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2073,"User defined seating -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2074,"User defined seating -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2075,"User defined seating -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2076,"User defined seating -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2077,"User defined seating -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,2078,"User defined seating -> Add your own text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,null,"Walls (Absorbent)"]
[null,3000,"N/A",{"$nulls":4},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"},{"v":0,"d":"0.00"}]
[null,3001,"Perfect Absorber",{"$nulls":4},0.99,0.99,0.99,0.99,0.99,0.99]
[null,3002,"80% Absorbent",{"$nulls":4},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"}]
[null,3003,"60% Absorbent",{"$nulls":4},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"}]
[null,3004,"40% Absorbent",{"$nulls":4},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"},{"v":0.4,"d":"0.40"}]
[null,3005,"20% Absorbent",{"$nulls":4},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"}]
[null,3006,"Abffusor (absorbing/diffusing panel)",100,0,null,null,0.48,0.98,{"v":1.2,"d":"1.20"},{"v":1.1,"d":"1.10"},1.07,1.16,"RPG Diffusor Systems Inc."]
[null,3007,"Abffusor (absorbing/diffusing panel)",100,400,null,null,0.82,{"v":0.9,"d":"0.90"},1.07,1.04,1.05,1.04,"RPG Diffusor Systems Inc."]
[null,3008,"Almute",3,100,0,null,0.31,0.64,0.84,0.93,0.64,1.24,"RPG Diffusor Systems Inc."]
[null,3009,"Almute",3,200,0,null,0.44,0.81,0.87,0.52,0.69,{"v":0.8,"d":"0.80"},"RPG Diffusor Systems Inc."]
[null,3010,"Almute",3,200,50,null,0.82,0.99,1.09,1.08,1.02,1.04,"RPG Diffusor Systems Inc."]
[null,3011,"Almute",3,400,0,null,0.85,{"v":0.8,"d":"0.80"},0.46,{"v":0.6,"d":"0.60"},{"v":0.7,"d":"0.70"},{"v":0.8,"d":"0.80"},"RPG Diffusor Systems Inc."]
[null,3012,"Almute",3,400,50,null,0.77,1.03,0.93,1.07,1.03,1.07,"RPG Diffusor Systems Inc."]
[null,3013,"Almute",3,50,0,null,0.13,0.28,0.59,0.86,{"v":0.9,"d":"0.90"},0.67,"RPG Diffusor Systems Inc."]
[null,3014,"Almute",3,50,50,null,0.36,0.86,1.13,1.06,{"v":0.9,"d":"0.90"},0.71,"RPG Diffusor Systems Inc."]
[null,3015,"B24/X24 Panels (2'x4' 6# FG panel with fabric facing)",25.4,{"$nulls":3},0.07,0.29,{"v":0.8,"d":"0.80"},1.01,1.05,0.99,"Auralex Acoustics"]
[null,3016,"Curtain, 10oz/yd2, flat against wall",{"$nulls":4},0.04,0.05,0.11,0.18,{"v":0.3,"d":"0.30"},0.35,"SAE College"]
[null,3017,"Curtain, 14oz/yd2, 50% pleated",{"$nulls":4},0.07,0.31,0.49,0.75,{"v":0.7,"d":"0.70"},{"v":0.6,"d":"0.60"},"SAE College"]
[null,3018,"Curtain, 14oz/yd2, flat against wall",{"$nulls":4},0.05,0.07,0.13,0.22,0.32,0.35,"SAE College"]
[null,3019,"Curtain, 18oz/yd2, 50% pleated",{"$nulls":4},0.14,0.35,0.53,0.75,{"v":0.7,"d":"0.70"},{"v":0.6,"d":"0.60"},"SAE College"]
[null,3020,"Curtain, 18oz/yd2, flat against wall",{"$nulls":4},0.05,0.12,0.35,0.48,0.38,0.36,"SAE College"]
[null,3021,"Curtain, draped 3:1 cotton  0.4 kg/m2",null,50,null,null,0.15,0.45,0.96,0.91,1.06,1.02,"Acoustics-Engineering"]
[null,3022,"Curtain, draped 3:1 synthetic foil  0.2 kg/m2",0.2,20,null,null,{"v":0,"d":"0.00"},0.13,0.51,0.66,0.59,{"v":0.3,"d":"0.30"},"Acoustics-Engineering"]
[null,3023,"Curtain, tight cotton  0.4 kg/m2",null,50,null,null,{"v":0,"d":"0.00"},0.09,0.37,0.68,0.89,0.72,"Acoustics-Engineering"]
[null,3024,"Curtain, tight synthetic foil  0.2 kg/m2",0.2,20,null,null,{"v":0,"d":"0.00"},{"v":0,"d":"0.00"},0.64,0.19,0.12,0.04,"Acoustics-Engineering"]
[null,3025,"Diffusorblox with fiberglass, painted",{"$nulls":4},0.82,0.53,0.53,0.35,0.26,0.26,"RPG Diffusor Systems Inc."]
[null,3026,"Diffusorblox with fiberglass, unpainted",{"$nulls":4},0.92,0.81,0.87,{"v":0.8,"d":"0.80"},{"v":0.8,"d":"0.80"},0.77,"RPG Diffusor Systems Inc."]
[null,3027,"ELiTE Absorber (Natural fiber core with fabric facing)",25.4,{"$nulls":3},0.08,0.31,0.79,1.01,{"v":1,"d":"1.00"},0.99,"Auralex Acoustics"]
[null,3028,"Fibreglass board, 1\"",{"$nulls":4},0.06,{"v":0.2,"d":"0.20"},0.65,{"v":0.9,"d":"0.90"},0.95,0.98,"SAE College"]
[null,3029,"Fibreglass board, 2\"",{"$nulls":4},0.18,0.76,0.99,0.99,0.99,0.99,"SAE College"]
[null,3030,"Fibreglass board, 3\"",{"$nulls":4},0.53,0.99,0.99,0.99,0.99,0.99,"SAE College"]
[null,3031,"Fibreglass board, 4\"",{"$nulls":4},0.99,0.99,0.99,0.99,0.99,0.97,"SAE College"]
[null,3032,"Kydex QRD (Lightweight diffusor)",100,483,null,null,0.53,0.37,0.38,0.32,0.15,0.18,"RPG Diffusor Systems Inc."]
[null,3033,"LENRD Bass Traps (2'x1' Triangular Foam Bass Trap)",305,{"$nulls":3},1.24,1.28,1.45,1.39,1.27,1.31,"Auralex Acoustics"]
[null,3034,"M-111 Tiles (1'x1' Melamine tiles)",51,{"$nulls":3},0.12,0.25,0.73,0.91,0.97,0.99,"Auralex Acoustics"]
[null,3035,"MAX-Pak Studiofoam Wedges (2'x4' Foam Panel)",38,{"$nulls":3},0.13,0.22,0.47,0.66,0.81,1.01,"Auralex Acoustics"]
[null,3036,"MAX-Wall Panels 01 (20\"x48\" Stand-mounted Panel)",{"$nulls":4},0.81,1.02,1.06,1.05,1.02,1.02,"Auralex Acoustics"]
[null,3037,"MegaMAX-Wall Panels 01 (24\"x48\" Stand-mounted Panel)",{"$nulls":4},1.32,1.17,1.17,1.08,1.07,1.02,"Auralex Acoustics"]
[null,3038,"Metro LENRD Bass Traps (2'x1' Triangular Foam Bass Trap)",305,{"$nulls":3},1.17,1.15,1.28,{"v":1.2,"d":"1.20"},1.15,1.12,"Auralex Acoustics"]
[null,3039,"MetroFusor4 (23.75\"x23.75\" Diffusor panel)",{"$nulls":4},0.06,0.05,0.14,0.36,0.68,0.47,"Auralex Acoustics"]
[null,3040,"Mineral Fiber (2'x4' Mineral fiber panel, no facing)",51,{"$nulls":3},0.32,{"v":0.9,"d":"0.90"},1.11,1.07,1.01,1.05,"Auralex Acoustics"]
[null,3041,"Mineral Fiber (2'x4' Mineral fiber panel, no facing)",101.6,{"$nulls":3},1.11,0.91,1.07,1.03,1.06,1.07,"Auralex Acoustics"]
[null,3042,"Mineral wool blanket",50,0,null,null,0.24,0.57,0.88,1.01,0.94,0.94,"Acoustics-Engineering"]
[null,3043,"Mineral wool blanket",100,0,null,null,0.46,0.79,1.12,{"v":1,"d":"1.00"},0.98,0.97,"Acoustics-Engineering"]
[null,3044,"Mineral wool panel",50,0,null,null,0.24,0.57,0.88,1.01,0.94,{"v":0.9,"d":"0.90"},"Acoustics-Engineering"]
[null,3045,"Mineral wool panel",100,0,null,null,0.78,1.07,1.18,1.06,0.98,0.98,"Acoustics-Engineering"]
[null,3046,"Open brick pattern over 3\" fibreglass",{"$nulls":4},{"v":0.4,"d":"0.40"},0.65,0.85,0.75,0.65,{"v":0.6,"d":"0.60"},"SAE College"]
[null,3047,"Open cell foam",50,{"$nulls":3},0.12,0.31,0.78,1.02,1.12,{"v":1.2,"d":"1.20"},"Acoustics-Engineering"]
[null,3048,"Open cell foam",70,{"$nulls":3},0.13,0.56,0.99,1.15,1.15,{"v":1.2,"d":"1.20"},"Acoustics-Engineering"]
[null,3049,"Pageboard over 1\" fibreglass board",{"$nulls":4},0.08,0.32,0.99,0.76,0.34,0.12,"SAE College"]
[null,3050,"Pageboard over 2\" fibreglass board",{"$nulls":4},0.26,0.97,0.99,0.66,0.34,0.14,"SAE College"]
[null,3051,"Pageboard over 2\" fibreglass board",{"$nulls":4},0.49,0.99,0.99,0.69,0.37,0.15,"SAE College"]
[null,3052,"Perforated metal",null,null,51,{"v":0.13,"d":"13.0%"},0.25,0.64,0.99,0.97,0.88,0.92,"SAE College"]
[null,3053,"ProColumns (4'x1' Column Absorber with fabric facing)",153,{"$nulls":3},1.11,{"v":1.1,"d":"1.10"},1.39,1.35,1.33,1.24,"Auralex Acoustics"]
[null,3054,"QRD-734",null,0,null,null,0.23,0.24,0.35,0.23,{"v":0.2,"d":"0.20"},{"v":0.2,"d":"0.20"},"RPG Diffusor Systems Inc."]
[null,3055,"SonoColumns (4'x1' Foam Column Absorber)",153,{"$nulls":3},{"v":1.1,"d":"1.10"},1.36,{"v":1.5,"d":"1.50"},1.38,1.34,1.33,"Auralex Acoustics"]
[null,3056,"SonoFiber (2'x2' Natural fiber panel, no facing)",25.4,{"$nulls":3},0.09,{"v":0.2,"d":"0.20"},0.72,0.97,1.04,1.01,"Auralex Acoustics"]
[null,3057,"SonoFlats (2'x2' Flat, beveled Foam Panel)",51,{"$nulls":3},0.16,0.46,0.99,1.12,1.14,1.13,"Auralex Acoustics"]
[null,3058,"Sonomatt (4'x8' Foam Panel)",51,{"$nulls":3},0.13,0.27,0.62,0.92,1.02,1.02,"Auralex Acoustics"]
[null,3059,"Studiofoam Metro (2'x4' Foam Panel)",51,{"$nulls":3},0.13,0.23,0.68,0.93,0.91,0.89,"Auralex Acoustics"]
[null,3060,"Studiofoam Metro (2'x4' Foam Panel)",101.6,{"$nulls":3},0.31,0.72,1.19,1.26,1.22,{"v":1.2,"d":"1.20"},"Auralex Acoustics"]
[null,3061,"Studiofoam Pyramids (2'x4' Foam Panel)",51,{"$nulls":3},0.13,0.18,0.57,0.96,1.03,0.98,"Auralex Acoustics"]
[null,3062,"Studiofoam Pyramids (2'x4' Foam Panel)",101.6,{"$nulls":3},0.27,{"v":0.5,"d":"0.50"},1.01,1.13,1.11,1.12,"Auralex Acoustics"]
[null,3063,"Studiofoam Wedges (2'x4' Foam Panel)",25.4,{"$nulls":3},{"v":0.1,"d":"0.10"},0.13,{"v":0.3,"d":"0.30"},0.68,0.94,{"v":1,"d":"1.00"},"Auralex Acoustics"]
[null,3064,"Studiofoam Wedges (2'x4' Foam Panel)",51,{"$nulls":3},0.11,{"v":0.3,"d":"0.30"},0.91,1.05,0.99,{"v":1,"d":"1.00"},"Auralex Acoustics"]
[null,3065,"Studiofoam Wedges (2'x4' Foam Panel)",76.4,{"$nulls":3},0.23,0.49,1.06,1.04,0.96,1.05,"Auralex Acoustics"]
[null,3066,"Studiofoam Wedges (2'x4' Foam Panel)",101.6,{"$nulls":3},0.31,0.85,1.25,1.14,1.06,1.09,"Auralex Acoustics"]
[null,3067,"Sunburst Female (4'x1' Concave Foam Absorber)",{"$nulls":4},0.65,1.02,{"v":1,"d":"1.00"},1.08,1.05,1.08,"Auralex Acoustics"]
[null,3068,"Sunburst Male (4'x1' Semi-cylindrical Foam Absorber)",{"$nulls":4},1.08,1.23,1.14,1.07,1.05,1.08,"Auralex Acoustics"]
[null,3069,"T'Fusor 01 (23.75\"x23.75\" Diffusor panel)",{"$nulls":4},0.36,0.39,0.23,{"v":0.1,"d":"0.10"},0.09,0.07,"Auralex Acoustics"]
[null,3070,"T'Fusor 02 (23.75\"x23.75\" Diffusor panel)",{"$nulls":4},0.45,0.31,0.23,0.16,0.15,0.21,"Auralex Acoustics"]
[null,3071,"Venus Bass Traps (2'x4' Foam Panel)",305,{"$nulls":3},1.63,1.34,1.29,1.26,1.25,{"v":1.2,"d":"1.20"},"Auralex Acoustics"]
[null,3072,"VersaTile Concave (24\"x16\" Foam Panel)",51,{"$nulls":3},0.26,0.52,{"v":0.9,"d":"0.90"},0.92,0.92,{"v":1,"d":"1.00"},"Auralex Acoustics"]
[null,3073,"VersaTile Convex (24\"x16\" Foam Panel)",51,{"$nulls":3},0.36,0.48,0.84,{"v":0.8,"d":"0.80"},{"v":0.9,"d":"0.90"},0.99,"Auralex Acoustics"]
[null,3074,"VersaTile Corner (24\"x16\" Foam Panel)",51,{"$nulls":3},0.88,1.01,0.99,1.12,1.13,1.17,"Auralex Acoustics"]
[null,3075,"Wedgies (1'x1' Foam Tile)",51,{"$nulls":3},0.15,0.21,{"v":0.7,"d":"0.70"},0.99,1.05,1.05,"Auralex Acoustics"]
[null,3076,"User defined absorbent wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3077,"User defined absorbent wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3078,"User defined absorbent wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3079,"User defined absorbent wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3080,"User defined absorbent wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3081,"User defined absorbent wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3082,"User defined absorbent wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3083,"User defined absorbent wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3084,"User defined absorbent wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3085,"User defined absorbent wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,null,"Walls (Reflective)"]
[null,3086,"Brickwork, natural",{"$nulls":4},0.03,{"v":0.025,"d":"0.03"},0.03,0.04,0.05,0.07,"SAE College"]
[null,3087,"Brickwork, painted",{"$nulls":4},0.01,0.01,0.02,0.02,0.02,0.03,"SAE College"]
[null,3088,"Brickwork, porous",{"$nulls":4},0.11,0.14,0.21,0.25,0.31,0.36,"Acoustics-Engineering"]
[null,3089,"Brickwork, smooth",{"$nulls":4},0.02,0.03,0.03,0.04,0.05,0.07,"Acoustics-Engineering"]
[null,3090,"Ceramic tiles, smooth",{"$nulls":4},0.01,0.01,0.01,0.02,0.02,0.02,"Acoustics-Engineering"]
[null,3091,"Chipboard on frame",19,120,0,null,{"v":0.3,"d":"0.30"},0.11,0.15,0.08,0.12,0.24,"Acoustics-Engineering"]
[null,3092,"Chipboard on frame",19,120,40,null,0.24,0.14,0.16,0.09,0.14,0.17,"Acoustics-Engineering"]
[null,3093,"Chipboard on frame",19,60,0,null,0.33,{"v":0.1,"d":"0.10"},0.12,{"v":0.1,"d":"0.10"},0.14,0.26,"Acoustics-Engineering"]
[null,3094,"Chipboard on frame",19,60,40,null,0.29,0.14,0.12,0.11,0.18,0.11,"Acoustics-Engineering"]
[null,3095,"Concrete block, coarse",{"$nulls":4},0.36,0.44,0.31,0.29,0.39,0.25,"SAE College"]
[null,3096,"Concrete block, painted",{"$nulls":4},{"v":0.1,"d":"0.10"},0.05,0.06,0.07,0.09,0.08,"SAE College"]
[null,3097,"Concrete, painted",{"$nulls":4},0.01,0.01,0.01,0.02,0.02,0.02,"Acoustics-Engineering"]
[null,3098,"Concrete, porous",{"$nulls":4},0.14,0.19,0.24,0.32,0.41,{"v":0.5,"d":"0.50"},"Acoustics-Engineering"]
[null,3099,"Concrete, poured, rough, unpainted",{"$nulls":4},0.01,0.02,0.04,0.06,0.08,{"v":0.1,"d":"0.10"},"SAE College"]
[null,3100,"Concrete, smooth",{"$nulls":4},0.01,0.01,0.02,0.02,0.03,0.04,"Acoustics-Engineering"]
[null,3101,"Door, solid wood, panelled",{"$nulls":4},{"v":0.1,"d":"0.10"},0.07,0.05,0.04,0.04,0.04,"SAE College"]
[null,3102,"Door, solid wood, smooth",{"$nulls":4},0.15,{"v":0.1,"d":"0.10"},0.06,0.08,{"v":0.1,"d":"0.10"},0.05,"Acoustics-Engineering"]
[null,3103,"Laths, 45mm wide, separated by 16mm",25,50,20,null,0.19,0.36,0.73,{"v":0.5,"d":"0.50"},0.25,0.31,"Acoustics-Engineering"]
[null,3104,"Laths, 85mm wide, separated by 25mm",12,100,25,null,{"v":0.6,"d":"0.60"},0.85,{"v":0.8,"d":"0.80"},0.82,{"v":0.7,"d":"0.70"},0.62,"Acoustics-Engineering"]
[null,3105,"Lawapan chipboard 630 kg/m3",17.5,300,50,{"v":0.25,"d":"25.0%"},0.89,0.93,0.95,0.86,0.67,0.58,"Lambri Fabrieken B.V. (NL)"]
[null,3106,"Lawapan chipboard 630 kg/m3",17.5,300,50,{"v":0.15,"d":"15.0%"},0.79,0.84,0.85,{"v":0.7,"d":"0.70"},0.45,0.35,"Lambri Fabrieken B.V. (NL)"]
[null,3107,"Lawapan chipboard 700 kg/m3",17.5,300,50,{"v":0.25,"d":"25.0%"},0.83,0.92,0.95,0.87,0.61,0.51,"Lambri Fabrieken B.V. (NL)"]
[null,3108,"Lawapan MDF 680 kg/m3",17.5,300,50,{"v":0.25,"d":"25.0%"},0.86,0.94,0.89,0.82,0.56,0.43,"Lambri Fabrieken B.V. (NL)"]
[null,3109,"Lawapan MDF 680 kg/m3",17.5,300,50,{"v":0.44,"d":"44.0%"},0.77,0.91,0.94,{"v":0.9,"d":"0.90"},0.78,{"v":0.7,"d":"0.70"},"Lambri Fabrieken B.V. (NL)"]
[null,3110,"Plaster on brick",{"$nulls":4},{"v":0.024,"d":"0.02"},{"v":0.027,"d":"0.03"},0.03,{"v":0.037,"d":"0.04"},{"v":0.039,"d":"0.04"},{"v":0.034,"d":"0.03"},"Acoustics-Engineering"]
[null,3111,"Plaster on lath",{"$nulls":4},0.14,{"v":0.1,"d":"0.10"},0.06,0.05,0.04,0.04,"SAE College"]
[null,3112,"Plaster on masonry",{"$nulls":4},0.01,0.02,0.02,0.03,0.04,0.05,"SAE College"]
[null,3113,"Plaster, acoustic",{"$nulls":4},0.15,{"v":0.2,"d":"0.20"},0.35,{"v":0.6,"d":"0.60"},{"v":0.6,"d":"0.60"},{"v":0.5,"d":"0.50"},"Acoustics-Engineering"]
[null,3114,"Plaster, lime",{"$nulls":4},0.01,0.01,0.02,0.02,0.02,0.04,"Acoustics-Engineering"]
[null,3115,"Plasterboard",9.5,100,30,{"v":0.196,"d":"19.6%"},{"v":0.3,"d":"0.30"},0.69,1.01,0.81,0.66,0.62,"Acoustics-Engineering"]
[null,3116,"Plasterboard",9.5,100,30,{"v":0.06,"d":"6.0%"},0.39,0.81,0.68,0.44,0.25,{"v":0.2,"d":"0.20"},"Acoustics-Engineering"]
[null,3117,"Plasterboard on frame",9.5,120,0,null,0.22,0.08,0.11,0.07,0.09,0.22,"Acoustics-Engineering"]
[null,3118,"Plasterboard on frame",9.5,120,40,null,0.23,0.12,0.09,0.06,0.11,0.22,"Acoustics-Engineering"]
[null,3119,"Plasterboard on frame",9.5,60,0,null,0.31,0.08,0.04,0.07,0.09,0.08,"Acoustics-Engineering"]
[null,3120,"Plasterboard on frame",9.5,60,40,null,0.25,0.17,0.04,0.06,0.08,0.22,"Acoustics-Engineering"]
[null,3121,"Plasterboard on stud frame",12,{"$nulls":3},0.29,{"v":0.1,"d":"0.10"},0.06,0.05,0.04,0.04,"SAE College"]
[null,3122,"Plywood on frame",4,120,0,null,0.47,{"v":0.1,"d":"0.10"},{"v":0.1,"d":"0.10"},0.04,0.07,0.06,"Acoustics-Engineering"]
[null,3123,"Plywood on frame",4,120,40,null,0.43,0.16,0.11,0.05,0.05,0.09,"Acoustics-Engineering"]
[null,3124,"Plywood on frame",4,60,0,null,0.22,0.12,0.14,0.06,0.04,0.09,"Acoustics-Engineering"]
[null,3125,"Plywood on frame",4,60,40,null,{"v":0.5,"d":"0.50"},{"v":0.2,"d":"0.20"},0.12,0.06,0.05,{"v":0.1,"d":"0.10"},"Acoustics-Engineering"]
[null,3126,"Plywood on frame",6,50,50,null,0.57,0.37,0.13,0.07,0.06,0.03,"Acoustics-Engineering"]
[null,3127,"Plywood panel",3,32,null,null,0.15,0.25,0.12,0.08,0.08,0.08,"SAE College"]
[null,3128,"Plywood panel",3,57,null,null,0.28,{"v":0.2,"d":"0.20"},{"v":0.1,"d":"0.10"},{"v":0.1,"d":"0.10"},0.08,0.08,"SAE College"]
[null,3129,"Plywood panel",5,51,null,null,0.38,0.24,0.17,{"v":0.1,"d":"0.10"},0.08,0.05,"SAE College"]
[null,3130,"Plywood panel",5,51,25,null,0.42,0.36,0.19,{"v":0.1,"d":"0.10"},0.08,0.05,"SAE College"]
[null,3131,"Plywood panel, light bracing over air space",6,{"$nulls":3},{"v":0.3,"d":"0.30"},0.25,0.15,{"v":0.1,"d":"0.10"},{"v":0.1,"d":"0.10"},{"v":0.1,"d":"0.10"},"SAE College"]
[null,3132,"Plywood panel, light bracing over air space",19,{"$nulls":3},{"v":0.2,"d":"0.20"},0.18,0.15,0.12,{"v":0.1,"d":"0.10"},{"v":0.1,"d":"0.10"},"SAE College"]
[null,3133,"Plywood panel, light bracing over air space",10,{"$nulls":3},0.28,0.22,0.17,0.09,{"v":0.1,"d":"0.10"},0.11,"SAE College"]
[null,3134,"Single pane of glass, 3 mm ",{"$nulls":4},0.08,0.04,0.03,0.03,0.02,0.02,"(Ref. 19) "]
[null,3135,"Softboard (unpainted)",19,23,null,null,0.24,0.57,0.88,1.01,0.94,{"v":0.9,"d":"0.90"},"Acoustics-Engineering"]
[null,3136,"Wallpaper on plaster",{"$nulls":4},0.02,0.03,0.04,0.05,0.07,0.08,"Acoustics-Engineering"]
[null,3137,"Window, double glazed",2.5,30,null,null,0.15,0.05,0.03,0.03,0.02,0.02,"(Ref. 19) "]
[null,3138,"Window, double glazed",2.5,10,null,null,{"v":0.1,"d":"0.10"},0.07,0.05,0.03,0.02,0.02,"(Ref. SBI/13) "]
[null,3139,"Window, double glazed",3,10,null,null,0.02,0.06,0.03,0.03,0.02,0.02,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,3140,"Window, double glazed",3,30,null,null,0.15,0.05,0.03,0.03,0.02,0.02,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,3141,"Window, double glazing",{"$nulls":4},0.25,{"v":0.1,"d":"0.10"},0.07,0.06,0.04,0.02,"Acoustics-Engineering"]
[null,3142,"Window, heavy glass",{"$nulls":4},0.18,0.06,0.04,0.03,0.02,0.02,"B.I. Dalenbäck, CATT Acoustic Software"]
[null,3143,"Window, large panes of heavy plate glass",{"$nulls":4},0.18,0.06,0.04,0.03,0.02,0.02,"Handbook of Acoustical Measurements and Noise Control"]
[null,3144,"Window, single glazed, 1/4\" plate, large pane",{"$nulls":4},0.18,0.06,0.04,0.03,0.02,0.02,"SAE College"]
[null,3145,"Window, single pane",{"$nulls":4},0.33,0.25,{"v":0.1,"d":"0.10"},0.07,0.06,0.04,"Acoustics-Engineering"]
[null,3146,"Window, small pane",{"$nulls":4},0.04,0.04,0.03,0.03,0.02,0.02,"SAE College"]
[null,3147,"User defined reflective wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3148,"User defined reflective wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3149,"User defined reflective wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3150,"User defined reflective wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3151,"User defined reflective wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3152,"User defined reflective wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3153,"User defined reflective wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3154,"User defined reflective wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3155,"User defined reflective wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]
[null,3156,"User defined reflective wall surface -> Add your text here",{"$nulls":4},0.01,0.01,0.01,0.01,0.01,0.01]

{"sheet":"Intermediate values","index":8,"n_rows":224,"n_cols":15,"rows_kept":224}
[]
[null,"Intermediate values"]
[null,"Tuning Reference"]
[null,null,"Concert pitch A4",{"v":440,"d":"440.00"},"Hz (This is normally 440.0)"]
[]
[]
[null,"Wall 1 Surfaces",null,"a @ 125Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 250Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 500Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 1KHz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 2KHz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 4KHz",{"$f":"AbsorbencyText","v":"Sabins"}]
[null,null,"Material 1",{"$f":"IF(VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,7))","v":0.22},{"$f":"wall1_mat1_area*wall1_mat1_alpha_125","v":{"v":25.0632911392405,"d":"25.06"}},{"$f":"IF(VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,8))","v":0.08},{"$f":"wall1_mat1_area*wall1_mat1_alpha_250","v":{"v":9.11392405063291,"d":"9.11"}},{"$f":"IF(VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,9))","v":0.11},{"$f":"wall1_mat1_area*wall1_mat1_alpha_500","v":{"v":12.53164556962025,"d":"12.53"}},{"$f":"IF(VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,10))","v":0.07},{"$f":"wall1_mat1_area*wall1_mat1_alpha_1k","v":{"v":7.974683544303797,"d":"7.97"}},{"$f":"IF(VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,11))","v":0.09},{"$f":"wall1_mat1_area*wall1_mat1_alpha_2k","v":{"v":10.253164556962023,"d":"10.25"}},{"$f":"IF(VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall1_mat1,wall_mat_start:wall_mat_end,12))","v":0.22},{"$f":"wall1_mat1_area*wall1_mat1_alpha_4k","v":{"v":25.0632911392405,"d":"25.06"}}]
[null,null,"Material 2",{"$f":"IF(VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,7))","v":0.15},{"$f":"wall1_mat2_area*wall1_mat2_alpha_125","v":{"v":4.272151898734176,"d":"4.27"}},{"$f":"IF(VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,8))","v":0.05},{"$f":"wall1_mat2_area*wall1_mat2_alpha_250","v":{"v":1.4240506329113922,"d":"1.42"}},{"$f":"IF(VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,9))","v":0.03},{"$f":"wall1_mat2_area*wall1_mat2_alpha_500","v":{"v":0.8544303797468352,"d":"0.85"}},{"$f":"IF(VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,10))","v":0.03},{"$f":"wall1_mat2_area*wall1_mat2_alpha_1k","v":{"v":0.8544303797468352,"d":"0.85"}},{"$f":"IF(VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,11))","v":0.02},{"$f":"wall1_mat2_area*wall1_mat2_alpha_2k","v":{"v":0.5696202531645569,"d":"0.57"}},{"$f":"IF(VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall1_mat2,wall_mat_start:wall_mat_end,12))","v":0.02},{"$f":"wall1_mat2_area*wall1_mat2_alpha_4k","v":{"v":0.5696202531645569,"d":"0.57"}}]
[null,null,"Material 3",{"$f":"IF(VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"wall1_mat3_area*wall1_mat3_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"wall1_mat3_area*wall1_mat3_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"wall1_mat3_area*wall1_mat3_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"wall1_mat3_area*wall1_mat3_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"wall1_mat3_area*wall1_mat3_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall1_mat3,wall_mat_start:wall_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"wall1_mat3_area*wall1_mat3_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Material 4",{"$f":"IF(VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"wall1_mat4_area*wall1_mat4_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"wall1_mat4_area*wall1_mat4_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"wall1_mat4_area*wall1_mat4_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"wall1_mat4_area*wall1_mat4_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"wall1_mat4_area*wall1_mat4_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall1_mat4,wall_mat_start:wall_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"wall1_mat4_area*wall1_mat4_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Total for Wall 1",{"$f":"E12/wall1_area","v":{"v":0.206,"d":"0.21"}},{"$f":"SUM(E8:E11)","v":{"v":29.335443037974677,"d":"29.34"}},{"$f":"G12/wall1_area","v":{"v":0.074,"d":"0.07"}},{"$f":"SUM(G8:G11)","v":{"v":10.537974683544302,"d":"10.54"}},{"$f":"I12/wall1_area","v":{"v":0.094,"d":"0.09"}},{"$f":"SUM(I8:I11)","v":{"v":13.386075949367086,"d":"13.39"}},{"$f":"K12/wall1_area","v":{"v":0.06200000000000001,"d":"0.06"}},{"$f":"SUM(K8:K11)","v":{"v":8.829113924050633,"d":"8.83"}},{"$f":"M12/wall1_area","v":{"v":0.076,"d":"0.08"}},{"$f":"SUM(M8:M11)","v":{"v":10.82278481012658,"d":"10.82"}},{"$f":"O12/wall1_area","v":0.18},{"$f":"SUM(O8:O11)","v":{"v":25.63291139240506,"d":"25.63"}}]
[]
[null,"Wall 2 Surfaces",null,"a @ 125Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 250Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 500Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 1KHz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 2KHz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 4KHz",{"$f":"AbsorbencyText","v":"Sabins"}]
[null,null,"Material 1",{"$f":"IF(VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,7))","v":0.22},{"$f":"wall2_mat1_area*wall2_mat1_alpha_125","v":{"v":37.27767985899695,"d":"37.28"}},{"$f":"IF(VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,8))","v":0.08},{"$f":"wall2_mat1_area*wall2_mat1_alpha_250","v":{"v":13.555519948726163,"d":"13.56"}},{"$f":"IF(VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,9))","v":0.11},{"$f":"wall2_mat1_area*wall2_mat1_alpha_500","v":{"v":18.638839929498474,"d":"18.64"}},{"$f":"IF(VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,10))","v":0.07},{"$f":"wall2_mat1_area*wall2_mat1_alpha_1k","v":{"v":11.861079955135393,"d":"11.86"}},{"$f":"IF(VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,11))","v":0.09},{"$f":"wall2_mat1_area*wall2_mat1_alpha_2k","v":{"v":15.249959942316933,"d":"15.25"}},{"$f":"IF(VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall2_mat1,wall_mat_start:wall_mat_end,12))","v":0.22},{"$f":"wall2_mat1_area*wall2_mat1_alpha_4k","v":{"v":37.27767985899695,"d":"37.28"}}]
[null,null,"Material 2",{"$f":"IF(VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat2_area*wall2_mat2_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat2_area*wall2_mat2_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat2_area*wall2_mat2_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat2_area*wall2_mat2_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat2_area*wall2_mat2_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall2_mat2,wall_mat_start:wall_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat2_area*wall2_mat2_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Material 3",{"$f":"IF(VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat3_area*wall2_mat3_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat3_area*wall2_mat3_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat3_area*wall2_mat3_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat3_area*wall2_mat3_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat3_area*wall2_mat3_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall2_mat3,wall_mat_start:wall_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat3_area*wall2_mat3_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Material 4",{"$f":"IF(VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat4_area*wall2_mat4_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat4_area*wall2_mat4_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat4_area*wall2_mat4_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat4_area*wall2_mat4_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat4_area*wall2_mat4_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall2_mat4,wall_mat_start:wall_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"wall2_mat4_area*wall2_mat4_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Total for Wall 2",{"$f":"E19/wall2_area","v":0.22},{"$f":"SUM(E15:E18)","v":{"v":37.27767985899695,"d":"37.28"}},{"$f":"G19/wall2_area","v":0.08},{"$f":"SUM(G15:G18)","v":{"v":13.555519948726163,"d":"13.56"}},{"$f":"I19/wall2_area","v":0.11},{"$f":"SUM(I15:I18)","v":{"v":18.638839929498474,"d":"18.64"}},{"$f":"K19/wall2_area","v":0.07},{"$f":"SUM(K15:K18)","v":{"v":11.861079955135393,"d":"11.86"}},{"$f":"M19/wall2_area","v":0.09},{"$f":"SUM(M15:M18)","v":{"v":15.249959942316933,"d":"15.25"}},{"$f":"O19/wall2_area","v":0.22},{"$f":"SUM(O15:O18)","v":{"v":37.27767985899695,"d":"37.28"}}]
[]
[null,"Wall 3 Surfaces",null,"a @ 125Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 250Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 500Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 1KHz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 2KHz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 4KHz",{"$f":"AbsorbencyText","v":"Sabins"}]
[null,null,"Material 1",{"$f":"IF(VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,7))","v":0.22},{"$f":"wall3_mat1_area*wall3_mat1_alpha_125","v":{"v":31.329113924050628,"d":"31.33"}},{"$f":"IF(VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,8))","v":0.08},{"$f":"wall3_mat1_area*wall3_mat1_alpha_250","v":{"v":11.392405063291138,"d":"11.39"}},{"$f":"IF(VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,9))","v":0.11},{"$f":"wall3_mat1_area*wall3_mat1_alpha_500","v":{"v":15.664556962025314,"d":"15.66"}},{"$f":"IF(VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,10))","v":0.07},{"$f":"wall3_mat1_area*wall3_mat1_alpha_1k","v":{"v":9.968354430379746,"d":"9.97"}},{"$f":"IF(VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,11))","v":0.09},{"$f":"wall3_mat1_area*wall3_mat1_alpha_2k","v":{"v":12.816455696202528,"d":"12.82"}},{"$f":"IF(VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall3_mat1,wall_mat_start:wall_mat_end,12))","v":0.22},{"$f":"wall3_mat1_area*wall3_mat1_alpha_4k","v":{"v":31.329113924050628,"d":"31.33"}}]
[null,null,"Material 2",{"$f":"IF(VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat2_area*wall3_mat2_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat2_area*wall3_mat2_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat2_area*wall3_mat2_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat2_area*wall3_mat2_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat2_area*wall3_mat2_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall3_mat2,wall_mat_start:wall_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat2_area*wall3_mat2_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Material 3",{"$f":"IF(VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat3_area*wall3_mat3_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat3_area*wall3_mat3_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat3_area*wall3_mat3_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat3_area*wall3_mat3_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat3_area*wall3_mat3_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall3_mat3,wall_mat_start:wall_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat3_area*wall3_mat3_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Material 4",{"$f":"IF(VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat4_area*wall3_mat4_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat4_area*wall3_mat4_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat4_area*wall3_mat4_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat4_area*wall3_mat4_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat4_area*wall3_mat4_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall3_mat4,wall_mat_start:wall_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"wall3_mat4_area*wall3_mat4_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Total for Wall 3",{"$f":"E26/wall3_area","v":0.22},{"$f":"SUM(E22:E25)","v":{"v":31.329113924050628,"d":"31.33"}},{"$f":"G26/wall3_area","v":0.08},{"$f":"SUM(G22:G25)","v":{"v":11.392405063291138,"d":"11.39"}},{"$f":"I26/wall3_area","v":0.11},{"$f":"SUM(I22:I25)","v":{"v":15.664556962025314,"d":"15.66"}},{"$f":"K26/wall3_area","v":0.07},{"$f":"SUM(K22:K25)","v":{"v":9.968354430379746,"d":"9.97"}},{"$f":"M26/wall3_area","v":0.09},{"$f":"SUM(M22:M25)","v":{"v":12.816455696202528,"d":"12.82"}},{"$f":"O26/wall3_area","v":0.22},{"$f":"SUM(O22:O25)","v":{"v":31.329113924050628,"d":"31.33"}}]
[]
[null,"Wall 4 Surfaces",null,"a @ 125Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 250Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 500Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 1KHz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 2KHz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 4KHz",{"$f":"AbsorbencyText","v":"Sabins"}]
[null,null,"Material 1",{"$f":"IF(VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,7))","v":0.22},{"$f":"wall4_mat1_area*wall4_mat1_alpha_125","v":{"v":33.54991187309725,"d":"33.55"}},{"$f":"IF(VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,8))","v":0.08},{"$f":"wall4_mat1_area*wall4_mat1_alpha_250","v":{"v":12.199967953853545,"d":"12.20"}},{"$f":"IF(VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,9))","v":0.11},{"$f":"wall4_mat1_area*wall4_mat1_alpha_500","v":{"v":16.774955936548626,"d":"16.77"}},{"$f":"IF(VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,10))","v":0.07},{"$f":"wall4_mat1_area*wall4_mat1_alpha_1k","v":{"v":10.674971959621853,"d":"10.67"}},{"$f":"IF(VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,11))","v":0.09},{"$f":"wall4_mat1_area*wall4_mat1_alpha_2k","v":{"v":13.724963948085238,"d":"13.72"}},{"$f":"IF(VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall4_mat1,wall_mat_start:wall_mat_end,12))","v":0.22},{"$f":"wall4_mat1_area*wall4_mat1_alpha_4k","v":{"v":33.54991187309725,"d":"33.55"}}]
[null,null,"Material 2",{"$f":"IF(VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,7))","v":{"v":0.1,"d":"0.10"}},{"$f":"wall4_mat2_area*wall4_mat2_alpha_125","v":{"v":1.6944399935907706,"d":"1.69"}},{"$f":"IF(VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,8))","v":0.07},{"$f":"wall4_mat2_area*wall4_mat2_alpha_250","v":{"v":1.1861079955135394,"d":"1.19"}},{"$f":"IF(VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,9))","v":0.05},{"$f":"wall4_mat2_area*wall4_mat2_alpha_500","v":{"v":0.8472199967953853,"d":"0.85"}},{"$f":"IF(VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,10))","v":0.04},{"$f":"wall4_mat2_area*wall4_mat2_alpha_1k","v":{"v":0.6777759974363081,"d":"0.68"}},{"$f":"IF(VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,11))","v":0.04},{"$f":"wall4_mat2_area*wall4_mat2_alpha_2k","v":{"v":0.6777759974363081,"d":"0.68"}},{"$f":"IF(VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall4_mat2,wall_mat_start:wall_mat_end,12))","v":0.04},{"$f":"wall4_mat2_area*wall4_mat2_alpha_4k","v":{"v":0.6777759974363081,"d":"0.68"}}]
[null,null,"Material 3",{"$f":"IF(VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"wall4_mat3_area*wall4_mat3_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"wall4_mat3_area*wall4_mat3_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"wall4_mat3_area*wall4_mat3_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"wall4_mat3_area*wall4_mat3_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"wall4_mat3_area*wall4_mat3_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall4_mat3,wall_mat_start:wall_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"wall4_mat3_area*wall4_mat3_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Material 4",{"$f":"IF(VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,7)>0.99,0.99,VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"wall4_mat4_area*wall4_mat4_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,8)>0.99,0.99,VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"wall4_mat4_area*wall4_mat4_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,9)>0.99,0.99,VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"wall4_mat4_area*wall4_mat4_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,10)>0.99,0.99,VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"wall4_mat4_area*wall4_mat4_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,11)>0.99,0.99,VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"wall4_mat4_area*wall4_mat4_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,12)>0.99,0.99,VLOOKUP(wall4_mat4,wall_mat_start:wall_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"wall4_mat4_area*wall4_mat4_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Total for Wall 4",{"$f":"E33/wall4_area","v":{"v":0.208,"d":"0.21"}},{"$f":"SUM(E29:E32)","v":{"v":35.24435186668802,"d":"35.24"}},{"$f":"G33/wall4_area","v":{"v":0.079,"d":"0.08"}},{"$f":"SUM(G29:G32)","v":{"v":13.386075949367084,"d":"13.39"}},{"$f":"I33/wall4_area","v":{"v":0.104,"d":"0.10"}},{"$f":"SUM(I29:I32)","v":{"v":17.62217593334401,"d":"17.62"}},{"$f":"K33/wall4_area","v":{"v":0.067,"d":"0.07"}},{"$f":"SUM(K29:K32)","v":{"v":11.352747957058162,"d":"11.35"}},{"$f":"M33/wall4_area","v":{"v":0.08499999999999999,"d":"0.09"}},{"$f":"SUM(M29:M32)","v":{"v":14.402739945521546,"d":"14.40"}},{"$f":"O33/wall4_area","v":{"v":0.20199999999999999,"d":"0.20"}},{"$f":"SUM(O29:O32)","v":{"v":34.22768787053356,"d":"34.23"}}]
[]
[null,"Floor Surfaces",null,"a @ 125Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 250Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 500Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 1KHz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 2KHz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 4KHz",{"$f":"AbsorbencyText","v":"Sabins"}]
[null,null,"Material 1",{"$f":"IF(VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,7)>0.99,0.99,VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,7))","v":0.04},{"$f":"floor_mat1_area*floor_mat1_alpha_125","v":{"v":10.70886075949367,"d":"10.71"}},{"$f":"IF(VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,8)>0.99,0.99,VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,8))","v":{"v":0.1,"d":"0.10"}},{"$f":"floor_mat1_area*floor_mat1_alpha_250","v":{"v":26.772151898734172,"d":"26.77"}},{"$f":"IF(VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,9)>0.99,0.99,VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,9))","v":0.31},{"$f":"floor_mat1_area*floor_mat1_alpha_500","v":{"v":82.99367088607593,"d":"82.99"}},{"$f":"IF(VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,10)>0.99,0.99,VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,10))","v":{"v":0.7,"d":"0.70"}},{"$f":"floor_mat1_area*floor_mat1_alpha_1k","v":{"v":187.4050632911392,"d":"187.41"}},{"$f":"IF(VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,11)>0.99,0.99,VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,11))","v":0.93},{"$f":"floor_mat1_area*floor_mat1_alpha_2k","v":{"v":248.9810126582278,"d":"248.98"}},{"$f":"IF(VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,12)>0.99,0.99,VLOOKUP(floor_mat1,floor_mat_start:floor_mat_end,12))","v":0.74},{"$f":"floor_mat1_area*floor_mat1_alpha_4k","v":{"v":198.11392405063287,"d":"198.11"}}]
[null,null,"Material 2",{"$f":"IF(VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,7)>0.99,0.99,VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat2_area*floor_mat2_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,8)>0.99,0.99,VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat2_area*floor_mat2_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,9)>0.99,0.99,VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat2_area*floor_mat2_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,10)>0.99,0.99,VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat2_area*floor_mat2_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,11)>0.99,0.99,VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat2_area*floor_mat2_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,12)>0.99,0.99,VLOOKUP(floor_mat2,floor_mat_start:floor_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat2_area*floor_mat2_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Material 3",{"$f":"IF(VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,7)>0.99,0.99,VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat3_area*floor_mat3_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,8)>0.99,0.99,VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat3_area*floor_mat3_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,9)>0.99,0.99,VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat3_area*floor_mat3_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,10)>0.99,0.99,VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat3_area*floor_mat3_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,11)>0.99,0.99,VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat3_area*floor_mat3_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,12)>0.99,0.99,VLOOKUP(floor_mat3,floor_mat_start:floor_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat3_area*floor_mat3_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Material 4",{"$f":"IF(VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,7)>0.99,0.99,VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat4_area*floor_mat4_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,8)>0.99,0.99,VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat4_area*floor_mat4_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,9)>0.99,0.99,VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat4_area*floor_mat4_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,10)>0.99,0.99,VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat4_area*floor_mat4_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,11)>0.99,0.99,VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat4_area*floor_mat4_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,12)>0.99,0.99,VLOOKUP(floor_mat4,floor_mat_start:floor_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"floor_mat4_area*floor_mat4_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Total for Floor",{"$f":"E40/floor_area","v":0.04},{"$f":"SUM(E36:E39)","v":{"v":10.70886075949367,"d":"10.71"}},{"$f":"G40/floor_area","v":{"v":0.1,"d":"0.10"}},{"$f":"SUM(G36:G39)","v":{"v":26.772151898734172,"d":"26.77"}},{"$f":"I40/floor_area","v":0.31},{"$f":"SUM(I36:I39)","v":{"v":82.99367088607593,"d":"82.99"}},{"$f":"K40/floor_area","v":{"v":0.7,"d":"0.70"}},{"$f":"SUM(K36:K39)","v":{"v":187.4050632911392,"d":"187.41"}},{"$f":"M40/floor_area","v":0.93},{"$f":"SUM(M36:M39)","v":{"v":248.9810126582278,"d":"248.98"}},{"$f":"O40/floor_area","v":0.74},{"$f":"SUM(O36:O39)","v":{"v":198.11392405063287,"d":"198.11"}}]
[]
[null,"Ceiling Surfaces",null,"a @ 125Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 250Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 500Hz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 1KHz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 2KHz",{"$f":"AbsorbencyText","v":"Sabins"},"a @ 4KHz",{"$f":"AbsorbencyText","v":"Sabins"}]
[null,null,"Material 1",{"$f":"IF(VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,7)>0.99,0.99,VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,7))","v":{"v":0.1,"d":"0.10"}},{"$f":"ceiling_mat1_area*ceiling_mat1_alpha_125","v":{"v":26.772151898734172,"d":"26.77"}},{"$f":"IF(VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,8)>0.99,0.99,VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,8))","v":0.35},{"$f":"ceiling_mat1_area*ceiling_mat1_alpha_250","v":{"v":93.7025316455696,"d":"93.70"}},{"$f":"IF(VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,9)>0.99,0.99,VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,9))","v":{"v":0.7,"d":"0.70"}},{"$f":"ceiling_mat1_area*ceiling_mat1_alpha_500","v":{"v":187.4050632911392,"d":"187.41"}},{"$f":"IF(VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,10)>0.99,0.99,VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,10))","v":0.75},{"$f":"ceiling_mat1_area*ceiling_mat1_alpha_1k","v":{"v":200.79113924050628,"d":"200.79"}},{"$f":"IF(VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,11)>0.99,0.99,VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,11))","v":0.65},{"$f":"ceiling_mat1_area*ceiling_mat1_alpha_2k","v":{"v":174.01898734177212,"d":"174.02"}},{"$f":"IF(VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,12)>0.99,0.99,VLOOKUP(ceiling_mat1,ceiling_mat_start:ceiling_mat_end,12))","v":{"v":0.5,"d":"0.50"}},{"$f":"ceiling_mat1_area*ceiling_mat1_alpha_4k","v":{"v":133.86075949367086,"d":"133.86"}}]
[null,null,"Material 2",{"$f":"IF(VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,7)>0.99,0.99,VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat2_area*ceiling_mat2_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,8)>0.99,0.99,VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat2_area*ceiling_mat2_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,9)>0.99,0.99,VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat2_area*ceiling_mat2_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,10)>0.99,0.99,VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat2_area*ceiling_mat2_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,11)>0.99,0.99,VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat2_area*ceiling_mat2_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,12)>0.99,0.99,VLOOKUP(ceiling_mat2,ceiling_mat_start:ceiling_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat2_area*ceiling_mat2_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Material 3",{"$f":"IF(VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,7)>0.99,0.99,VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat3_area*ceiling_mat3_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,8)>0.99,0.99,VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat3_area*ceiling_mat3_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,9)>0.99,0.99,VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat3_area*ceiling_mat3_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,10)>0.99,0.99,VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat3_area*ceiling_mat3_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,11)>0.99,0.99,VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat3_area*ceiling_mat3_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,12)>0.99,0.99,VLOOKUP(ceiling_mat3,ceiling_mat_start:ceiling_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat3_area*ceiling_mat3_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Material 4",{"$f":"IF(VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,7)>0.99,0.99,VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,7))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat4_area*ceiling_mat4_alpha_125","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,8)>0.99,0.99,VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,8))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat4_area*ceiling_mat4_alpha_250","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,9)>0.99,0.99,VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,9))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat4_area*ceiling_mat4_alpha_500","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,10)>0.99,0.99,VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,10))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat4_area*ceiling_mat4_alpha_1k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,11)>0.99,0.99,VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,11))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat4_area*ceiling_mat4_alpha_2k","v":{"v":0,"d":"0.00"}},{"$f":"IF(VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,12)>0.99,0.99,VLOOKUP(ceiling_mat4,ceiling_mat_start:ceiling_mat_end,12))","v":{"v":0,"d":"0.00"}},{"$f":"ceiling_mat4_area*ceiling_mat4_alpha_4k","v":{"v":0,"d":"0.00"}}]
[null,null,"Total for Ceiling",{"$f":"E47/ceiling_area","v":{"v":0.1,"d":"0.10"}},{"$f":"SUM(E43:E46)","v":{"v":26.772151898734172,"d":"26.77"}},{"$f":"G47/ceiling_area","v":0.35},{"$f":"SUM(G43:G46)","v":{"v":93.7025316455696,"d":"93.70"}},{"$f":"I47/ceiling_area","v":{"v":0.7,"d":"0.70"}},{"$f":"SUM(I43:I46)","v":{"v":187.4050632911392,"d":"187.41"}},{"$f":"K47/ceiling_area","v":0.75},{"$f":"SUM(K43:K46)","v":{"v":200.79113924050628,"d":"200.79"}},{"$f":"M47/ceiling_area","v":0.65},{"$f":"SUM(M43:M46)","v":{"v":174.01898734177212,"d":"174.02"}},{"$f":"O47/ceiling_area","v":{"v":0.5,"d":"0.50"}},{"$f":"SUM(O43:O46)","v":{"v":133.86075949367086,"d":"133.86"}}]
[]
[null,"Room totals",null,"125Hz","250Hz","500Hz","1KHz","2KHz","4KHz"]
[null,null,"Total (M) Sabins per freq band",{"$f":"SUM(E47,E40,E33,E26,E19,E12)","v":{"v":170.6676013459381,"d":"170.67"}},{"$f":"SUM(G47,G40,G33,G26,G19,G12)","v":{"v":169.34665918923244,"d":"169.35"}},{"$f":"SUM(I47,I40,I33,I26,I19,I12)","v":{"v":335.71038295145,"d":"335.71"}},{"$f":"SUM(K47,K40,K33,K26,K19,K12)","v":{"v":430.2074987982694,"d":"430.21"}},{"$f":"SUM(M47,M40,M33,M26,M19,M12)","v":{"v":476.29194039416745,"d":"476.29"}},{"$f":"SUM(O47,O40,O33,O26,O19,O12)","v":{"v":460.44207659028984,"d":"460.44"}}]
[null,null,"Alpha bar per frequency band",{"$f":"sigma_sabins_125/total_area","v":{"v":0.14723625279920374,"d":"0.15"}},{"$f":"sigma_sabins_250/total_area","v":{"v":0.14609666583727293,"d":"0.15"}},{"$f":"sigma_sabins_500/total_area","v":{"v":0.2896199303309281,"d":"0.29"}},{"$f":"sigma_sabins_1k/total_area","v":{"v":0.3711433192336402,"d":"0.37"}},{"$f":"sigma_sabins_2k/total_area","v":{"v":0.4109007215725304,"d":"0.41"}},{"$f":"sigma_sabins_4k/total_area","v":{"v":0.3972269221199302,"d":"0.40"}}]
[null,null,"Average room absorbency",{"$f":"AVERAGE(alpha_bar_125,alpha_bar_250,alpha_bar_500,alpha_bar_1k,alpha_bar_2k,alpha_bar_4k)","v":{"v":0.2937039686489176,"d":"0.29"}},"a bar"]
[null,null,"Total absorption units",{"$f":"alpha_bar*total_area","v":{"v":340.4443598782246,"d":"340.44"}},{"$f":"AbsorbencyText","v":"Sabins"}]
[]
[null,"On axis absorption (a)",null,"125Hz","250Hz","500Hz","1KHz","2KHz","4KHz","Average"]
[null,null,"X axis (Width)",{"$f":"(E19+E33)/x_area","v":{"v":0.214,"d":"0.21"}},{"$f":"(G19+G33)/x_area","v":{"v":0.0795,"d":"0.08"}},{"$f":"(I19+I33)/x_area","v":{"v":0.107,"d":"0.11"}},{"$f":"(K19+K33)/x_area","v":{"v":0.0685,"d":"0.07"}},{"$f":"(M19+M33)/x_area","v":{"v":0.08750000000000001,"d":"0.09"}},{"$f":"(O19+O33)/x_area","v":{"v":0.211,"d":"0.21"}},{"$f":"AVERAGE(D56:I56)","v":{"v":0.12791666666666665,"d":"0.13"}}]
[null,null,"Y axis (Length)",{"$f":"(E12+E26)/y_area","v":{"v":0.213,"d":"0.21"}},{"$f":"(G12+G26)/y_area","v":{"v":0.07700000000000001,"d":"0.08"}},{"$f":"(I12+I26)/y_area","v":{"v":0.102,"d":"0.10"}},{"$f":"(K12+K26)/y_area","v":{"v":0.066,"d":"0.07"}},{"$f":"(M12+M26)/y_area","v":{"v":0.083,"d":"0.08"}},{"$f":"(O12+O26)/y_area","v":{"v":0.2,"d":"0.20"}},{"$f":"AVERAGE(D57:I57)","v":{"v":0.12350000000000001,"d":"0.12"}}]
[null,null,"Z axis (Height)",{"$f":"(E40+E47)/z_area","v":0.07},{"$f":"(G40+G47)/z_area","v":{"v":0.22499999999999998,"d":"0.23"}},{"$f":"(I40+I47)/z_area","v":{"v":0.505,"d":"0.51"}},{"$f":"(K40+K47)/z_area","v":{"v":0.725,"d":"0.73"}},{"$f":"(M40+M47)/z_area","v":{"v":0.7899999999999999,"d":"0.79"}},{"$f":"(O40+O47)/z_area","v":0.62},{"$f":"AVERAGE(D58:I58)","v":{"v":0.4891666666666667,"d":"0.49"}}]
[]
[null,"Unit dependent values"]
[null,null,"Length",{"$f":"IF(unitFactor=1,\"m\",\"ft\")","v":"ft"},"\"m\" or \"ft\""]
[null,null,"Area",{"$f":"IF(unitFactor=1,\"sq m\",\"sq ft\")","v":"sq ft"},"\"sq m\" or \"sq ft\""]
[null,null,"Volume",{"$f":"IF(unitFactor=1,\"cu m\",\"cu ft\")","v":"cu ft"},"\"cu m\" or \"cu ft\""]
[null,null,"Absorbency",{"$f":"IF(unitFactor=1,\"M Sabins\",\"Sabins\")","v":"Sabins"},"\"M Sabins\" or \"Sabins\""]
[null,null,"Velocity",{"$f":"IF(unitFactor=1,\"m/s\",\"ft/s\")","v":"ft/s"},"\"m/s\" or \"ft/s\""]
[null,null,"Dimension scale factor",{"v":3.2808399200439453,"d":"3.281"},{"$f":"IF(unitFactor=1,\"\",\"ft/m\")","v":"ft/m"},"Conversion factor for imperial units"]
[null,null,"Factor for RT60 formulae",{"$f":" 24/(sound_velocity*LOG(EXP(1)))","v":{"v":0.04907355835908421,"d":"0.049"}},null,"Constant of proportionality for RT60 Equations"]
[]
[null,"Intermediate values for RT60 formulae",null,"125Hz","250Hz","500Hz","1KHz","2KHz","4KHz"]
[null,"Arau","X axis term",{"$f":"((factor*room_volume)/(total_area*-LN(1-x_alpha_bar_125)))^(x_area/total_area)","v":{"v":0.7901775574763819,"d":"0.79"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-x_alpha_bar_250)))^(x_area/total_area)","v":{"v":1.0794724008096113,"d":"1.08"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-x_alpha_bar_500)))^(x_area/total_area)","v":{"v":0.985366914940718,"d":"0.99"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-x_alpha_bar_1k)))^(x_area/total_area)","v":{"v":1.1294446572601506,"d":"1.13"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-x_alpha_bar_2k)))^(x_area/total_area)","v":{"v":1.0483136551984997,"d":"1.05"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-x_alpha_bar_4k)))^(x_area/total_area)","v":{"v":0.7938701639145924,"d":"0.79"}}]
[null,null,"Y axis term",{"$f":"((factor*room_volume)/(total_area*-LN(1-y_alpha_bar_125)))^(y_area/total_area)","v":{"v":0.8215048956712833,"d":"0.82"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-y_alpha_bar_250)))^(y_area/total_area)","v":{"v":1.0751377629318106,"d":"1.08"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-y_alpha_bar_500)))^(y_area/total_area)","v":{"v":1.0000430551048034,"d":"1.00"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-y_alpha_bar_1k)))^(y_area/total_area)","v":{"v":1.1182470443483705,"d":"1.12"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-y_alpha_bar_2k)))^(y_area/total_area)","v":{"v":1.0546637309358993,"d":"1.05"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-y_alpha_bar_4k)))^(y_area/total_area)","v":{"v":0.8359313911354282,"d":"0.84"}}]
[null,null,"Z axis term",{"$f":"((factor*room_volume)/(total_area*-LN(1-z_alpha_bar_125)))^(z_area/total_area)","v":{"v":1.1995581560748678,"d":"1.20"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-z_alpha_bar_250)))^(z_area/total_area)","v":{"v":0.6714195626201789,"d":"0.67"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-z_alpha_bar_500)))^(z_area/total_area)","v":{"v":0.4201569130949261,"d":"0.42"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-z_alpha_bar_1k)))^(z_area/total_area)","v":{"v":0.317346727578333,"d":"0.32"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-z_alpha_bar_2k)))^(z_area/total_area)","v":{"v":0.29072228881362133,"d":"0.29"}},{"$f":"((factor*room_volume)/(total_area*-LN(1-z_alpha_bar_4k)))^(z_area/total_area)","v":{"v":0.362562307671706,"d":"0.36"}}]
[]
[{"$nulls":3},"Sx","Sy","Sz","Sww"]
[null,"Fitzroy 1","On axis area",{"$f":"wall2_area+wall4_area","v":{"v":338.88799871815405,"d":"338.89"}},{"$f":"wall1_area+wall3_area","v":{"v":284.81012658227843,"d":"284.81"}},{"$f":"floor_area+ceiling_area","v":{"v":535.4430379746834,"d":"535.44"}},{"$f":"x_area+y_area","v":{"v":623.6981253004325,"d":"623.70"}},{"$f":"AreaText","v":"sq ft"}]
[]
[{"$nulls":3},"125Hz","250Hz","500Hz","1KHz","2KHz","4KHz"]
[null,"Fitzroy 2","Wall reflectivity",{"$f":"1-(x_alpha_bar_125+y_alpha_bar_125)/2","v":{"v":0.7865,"d":"0.79"}},{"$f":"1-(x_alpha_bar_250+y_alpha_bar_250)/2","v":{"v":0.92175,"d":"0.92"}},{"$f":"1-(x_alpha_bar_500+y_alpha_bar_500)/2","v":{"v":0.8955,"d":"0.90"}},{"$f":"1-(x_alpha_bar_1k+y_alpha_bar_1k)/2","v":{"v":0.93275,"d":"0.93"}},{"$f":"1-(x_alpha_bar_2k+y_alpha_bar_2k)/2","v":{"v":0.91475,"d":"0.91"}},{"$f":"1-(x_alpha_bar_4k+y_alpha_bar_4k)/2","v":{"v":0.7945,"d":"0.79"}},"rww"]
[null,null,"Ceiling/Floor reflectivity",{"$f":"1-z_alpha_bar_125","v":{"v":0.9299999999999999,"d":"0.93"}},{"$f":"1-z_alpha_bar_250","v":{"v":0.775,"d":"0.78"}},{"$f":"1-z_alpha_bar_500","v":{"v":0.495,"d":"0.50"}},{"$f":"1-z_alpha_bar_1k","v":{"v":0.275,"d":"0.28"}},{"$f":"1-z_alpha_bar_2k","v":{"v":0.21000000000000008,"d":"0.21"}},{"$f":"1-z_alpha_bar_4k","v":0.38},"rcf"]
[null,null,"Averaged overall surface absorbancy",{"$f":"(x_alpha_bar_125+y_alpha_bar_125+z_alpha_bar_125)/3","v":{"v":0.16566666666666666,"d":"0.17"}},{"$f":"(x_alpha_bar_250+y_alpha_bar_250+z_alpha_bar_250)/3","v":{"v":0.12716666666666668,"d":"0.13"}},{"$f":"(x_alpha_bar_500+y_alpha_bar_500+z_alpha_bar_500)/3","v":{"v":0.238,"d":"0.24"}},{"$f":"(x_alpha_bar_1k+y_alpha_bar_1k+z_alpha_bar_1k)/3","v":{"v":0.2865,"d":"0.29"}},{"$f":"(x_alpha_bar_2k+y_alpha_bar_2k+z_alpha_bar_2k)/3","v":{"v":0.32016666666666665,"d":"0.32"}},{"$f":"(x_alpha_bar_4k+y_alpha_bar_4k+z_alpha_bar_4k)/3","v":{"v":0.34366666666666673,"d":"0.34"}}]
[null,null,"Averaged overall surface reflectivity",{"$f":"1-D80","v":{"v":0.8343333333333334,"d":"0.83"}},{"v":0.8728333333333333,"d":"0.87"},{"v":0.762,"d":"0.76"},{"v":0.7135,"d":"0.71"},{"v":0.6798333333333333,"d":"0.68"},{"v":0.6563333333333332,"d":"0.66"}]
[null,null,"Neubauer's a* term for walls",{"$f":"-LN(1-D80)+((D78*(D78-D81)*(ww_area^2))/(D81*total_area)^2)","v":{"v":0.16547544480024415,"d":"0.17"}},{"v":0.15314563284474128,"d":"0.15"},{"v":0.3314179013049946,"d":"0.33"},{"v":0.4538764331961474,"d":"0.45"},{"v":0.5205207808916527,"d":"0.52"},{"v":0.494864081422286,"d":"0.49"},"a*ww"]
[null,null,"Neubauer's a* term for ceiling/floor",{"$f":"-LN(1-D80)+((D79*(D79-D81)*(z_area^2))/(D81*total_area)^2)","v":{"v":0.20839435831260367,"d":"0.21"}},{"v":0.11477430751675227,"d":"0.11"},{"v":0.22323958343556963,"d":"0.22"},{"v":0.2870290023449033,"d":"0.29"},{"v":0.34035512060870654,"d":"0.34"},{"v":0.36907229846013445,"d":"0.37"},"a*cf"]
[]
[{"$nulls":3},"125Hz","250Hz","500Hz","1KHz","2KHz","4KHz"]
[null,"Millington",null,{"$f":"wall1_area*LN(1-wall1_alpha_125)+wall2_area*LN(1-wall2_alpha_125)+wall3_area*LN(1-wall3_alpha_125)+wall4_area*LN(1-wall4_alpha_125)+floor_area*LN(1-floor_alpha_125)+ceiling_area*LN(1-ceiling_alpha_125)","v":{"v":-188.98078534811552,"d":"-188.98"}},{"$f":"wall1_area*LN(1-wall1_alpha_250)+wall2_area*LN(1-wall2_alpha_250)+wall3_area*LN(1-wall3_alpha_250)+wall4_area*LN(1-wall4_alpha_250)+floor_area*LN(1-floor_alpha_250)+ceiling_area*LN(1-ceiling_alpha_250)","v":{"v":-194.43229557359223,"d":"-194.43"}},{"$f":"wall1_area*LN(1-wall1_alpha_500)+wall2_area*LN(1-wall2_alpha_500)+wall3_area*LN(1-wall3_alpha_500)+wall4_area*LN(1-wall4_alpha_500)+floor_area*LN(1-floor_alpha_500)+ceiling_area*LN(1-ceiling_alpha_500)","v":{"v":-490.67724624263803,"d":"-490.68"}},{"$f":"wall1_area*LN(1-wall1_alpha_1k)+wall2_area*LN(1-wall2_alpha_1k)+wall3_area*LN(1-wall3_alpha_1k)+wall4_area*LN(1-wall4_alpha_1k)+floor_area*LN(1-floor_alpha_1k)+ceiling_area*LN(1-ceiling_alpha_1k)","v":{"v":-736.9670003138267,"d":"-736.97"}},{"$f":"wall1_area*LN(1-wall1_alpha_2k)+wall2_area*LN(1-wall2_alpha_2k)+wall3_area*LN(1-wall3_alpha_2k)+wall4_area*LN(1-wall4_alpha_2k)+floor_area*LN(1-floor_alpha_2k)+ceiling_area*LN(1-ceiling_alpha_2k)","v":{"v":-1048.7198763607155,"d":"-1048.72"}},{"$f":"wall1_area*LN(1-wall1_alpha_4k)+wall2_area*LN(1-wall2_alpha_4k)+wall3_area*LN(1-wall3_alpha_4k)+wall4_area*LN(1-wall4_alpha_4k)+floor_area*LN(1-floor_alpha_4k)+ceiling_area*LN(1-ceiling_alpha_4k)","v":{"v":-690.1883559348736,"d":"-690.19"}}]
[]
[{"$nulls":4},"Wavelength"]
[null,"Notes of equally tempered scale",null,"Hz",{"$f":"IF(unitFactor=1,\"(m)\",\"(ft)\")","v":"(ft)"},"Note No"]
[null,"(Hypothetical note)","A-3",{"$f":"concert_pitch/128","v":{"v":3.4375,"d":"3.44"}},{"$f":"sound_velocity/D90","v":{"v":327.59455407360736,"d":"327.59"}},1]
[null,"(Hypothetical note)","A#-2",{"$f":"D90*2^(1/12)","v":{"v":3.6419043868600776,"d":"3.64"}},{"v":309.208084564492,"d":"309.21"},2]
[null,"(Hypothetical note)","B-2",{"$f":"D90*2^(2/12)","v":{"v":3.8584632910634697,"d":"3.86"}},{"v":291.8535682939328,"d":"291.85"},3]
[null,"(Hypothetical note)","C-2",{"$f":"D90*2^(3/12)","v":{"v":4.0878994578218535,"d":"4.09"}},{"v":275.4730861771356,"d":"275.47"},4]
[null,"(Hypothetical note)","C#-2",{"$f":"D90*2^(4/12)","v":{"v":4.330978609013626,"d":"4.33"}},{"v":260.01196987774875,"d":"260.01"},5]
[null,"(Hypothetical note)","D-2",{"$f":"D90*2^(5/12)","v":{"v":4.588511998709493,"d":"4.59"}},{"v":245.4186193573733,"d":"245.42"},6]
[null,"(Hypothetical note)","D#-2",{"$f":"D90*2^(6/12)","v":{"v":4.861359120657514,"d":"4.86"}},{"v":231.64433066523088,"d":"231.64"},7]
[null,"(Hypothetical note)","E-2",{"$f":"D90*2^(7/12)","v":{"v":5.1504305767635925,"d":"5.15"}},{"v":218.64313339325574,"d":"218.64"},8]
[null,"(Hypothetical note)","F-2",{"$f":"D90*2^(8/12)","v":{"v":5.456691116140686,"d":"5.46"}},{"v":206.3716372541311,"d":"206.37"},9]
[null,"(Hypothetical note)","F#-2",{"$f":"D90*2^(9/12)","v":{"v":5.7811628548692875,"d":"5.78"}},{"v":194.78888727023875,"d":"194.79"},10]
[null,"(Hypothetical note)","G-2",{"$f":"D90*2^(10/12)","v":{"v":6.124928687214832,"d":"6.12"}},{"v":183.8562270902285,"d":"183.86"},11]
[null,"(Hypothetical note)","G#-2",{"$f":"D90*2^(11/12)","v":{"v":6.489135899686643,"d":"6.49"}},{"v":173.53716997703876,"d":"173.54"},12]
[null,"(Hypothetical note)","A-2",{"$f":"concert_pitch/64","v":{"v":6.875,"d":"6.88"}},{"v":163.79727703680368,"d":"163.80"},13]
[null,"(Hypothetical note)","A#-1",{"$f":"D102*2^(1/12)","v":{"v":7.283808773720155,"d":"7.28"}},{"v":154.604042282246,"d":"154.60"},14]
[null,"(Hypothetical note)","B-1",{"$f":"D102*2^(2/12)","v":{"v":7.7169265821269395,"d":"7.72"}},{"v":145.9267841469664,"d":"145.93"},15]
[null,"(Hypothetical note)","C-1",{"$f":"D102*2^(3/12)","v":{"v":8.175798915643707,"d":"8.18"}},{"v":137.7365430885678,"d":"137.74"},16]
[null,"(Hypothetical note)","C#-1",{"$f":"D102*2^(4/12)","v":{"v":8.661957218027252,"d":"8.66"}},{"v":130.00598493887438,"d":"130.01"},17]
[null,"(Hypothetical note)","D-1",{"$f":"D102*2^(5/12)","v":{"v":9.177023997418987,"d":"9.18"}},{"v":122.70930967868665,"d":"122.71"},18]
[null,"(Hypothetical note)","D#-1",{"$f":"D102*2^(6/12)","v":{"v":9.722718241315029,"d":"9.72"}},{"v":115.82216533261544,"d":"115.82"},19]
[null,"(Hypothetical note)","E-1",{"$f":"D102*2^(7/12)","v":{"v":10.300861153527185,"d":"10.30"}},{"v":109.32156669662787,"d":"109.32"},20]
[null,"(Hypothetical note)","F-1",{"$f":"D102*2^(8/12)","v":{"v":10.913382232281371,"d":"10.91"}},{"v":103.18581862706554,"d":"103.19"},21]
[null,"(Hypothetical note)","F#-1",{"$f":"D102*2^(9/12)","v":{"v":11.562325709738575,"d":"11.56"}},{"v":97.39444363511937,"d":"97.39"},22]
[null,"(Hypothetical note)","G-1",{"$f":"D102*2^(10/12)","v":{"v":12.249857374429665,"d":"12.25"}},{"v":91.92811354511424,"d":"91.93"},23]
[null,"(Hypothetical note)","G#-1",{"$f":"D102*2^(11/12)","v":{"v":12.978271799373285,"d":"12.98"}},{"v":86.76858498851938,"d":"86.77"},24]
[null,"(Hypothetical note)","A-1",{"$f":"concert_pitch/32","v":13.75},{"v":81.89863851840184,"d":"81.90"},25]
[null,"(Hypothetical note)","A#-1",{"$f":"D114*2^(1/12)","v":{"v":14.56761754744031,"d":"14.57"}},{"v":77.302021141123,"d":"77.30"},26]
[null,"(Hypothetical note)","B-1",{"$f":"D114*2^(2/12)","v":{"v":15.433853164253879,"d":"15.43"}},{"v":72.9633920734832,"d":"72.96"},27]
[null,null,"C0",{"$f":"D114*2^(3/12)","v":{"v":16.351597831287414,"d":"16.35"}},{"v":68.8682715442839,"d":"68.87"},28]
[null,null,"C#0",{"$f":"D114*2^(4/12)","v":{"v":17.323914436054505,"d":"17.32"}},{"v":65.00299246943719,"d":"65.00"},29]
[null,null,"D0",{"$f":"D114*2^(5/12)","v":{"v":18.354047994837973,"d":"18.35"}},{"v":61.354654839343326,"d":"61.35"},30]
[null,null,"D#0",{"$f":"D114*2^(6/12)","v":{"v":19.445436482630058,"d":"19.45"}},{"v":57.91108266630772,"d":"57.91"},31]
[null,null,"E0",{"$f":"D114*2^(7/12)","v":{"v":20.60172230705437,"d":"20.60"}},{"v":54.660783348313934,"d":"54.66"},32]
[null,null,"F0",{"$f":"D114*2^(8/12)","v":{"v":21.826764464562743,"d":"21.83"}},{"v":51.59290931353277,"d":"51.59"},33]
[null,null,"F#0",{"$f":"D114*2^(9/12)","v":{"v":23.12465141947715,"d":"23.12"}},{"v":48.69722181755969,"d":"48.70"},34]
[null,null,"G0",{"$f":"D114*2^(10/12)","v":{"v":24.49971474885933,"d":"24.50"}},{"v":45.96405677255712,"d":"45.96"},35]
[null,null,"G#0",{"$f":"D114*2^(11/12)","v":{"v":25.95654359874657,"d":"25.96"}},{"v":43.38429249425969,"d":"43.38"},36]
[null,null,"A0",{"$f":"concert_pitch/16","v":{"v":27.5,"d":"27.50"}},{"v":40.94931925920092,"d":"40.95"},37]
[null,null,"A#0",{"$f":"D126*2^(1/12)","v":{"v":29.13523509488062,"d":"29.14"}},{"v":38.6510105705615,"d":"38.65"},38]
[null,null,"B0",{"$f":"D126*2^(2/12)","v":{"v":30.867706328507758,"d":"30.87"}},{"v":36.4816960367416,"d":"36.48"},39]
[null,null,"C1",{"$f":"D126*2^(3/12)","v":{"v":32.70319566257483,"d":"32.70"}},{"v":34.43413577214195,"d":"34.43"},40]
[null,null,"C#1",{"$f":"D126*2^(4/12)","v":{"v":34.64782887210901,"d":"34.65"}},{"v":32.501496234718594,"d":"32.50"},41]
[null,null,"D1",{"$f":"D126*2^(5/12)","v":{"v":36.70809598967595,"d":"36.71"}},{"v":30.677327419671663,"d":"30.68"},42]
[null,null,"D#1",{"$f":"D126*2^(6/12)","v":{"v":38.890872965260115,"d":"38.89"}},{"v":28.95554133315386,"d":"28.96"},43]
[null,null,"E1",{"$f":"D126*2^(7/12)","v":{"v":41.20344461410874,"d":"41.20"}},{"v":27.330391674156967,"d":"27.33"},44]
[null,null,"F1",{"$f":"D126*2^(8/12)","v":{"v":43.653528929125486,"d":"43.65"}},{"$f":"sound_velocity/D134","v":{"v":25.796454656766386,"d":"25.80"}},45]
[null,null,"F#1",{"$f":"D126*2^(9/12)","v":{"v":46.2493028389543,"d":"46.25"}},{"v":24.348610908779843,"d":"24.35"},46]
[null,null,"G1",{"$f":"D126*2^(10/12)","v":{"v":48.99942949771866,"d":"49.00"}},{"v":22.98202838627856,"d":"22.98"},47]
[null,null,"G#1",{"$f":"D126*2^(11/12)","v":{"v":51.91308719749314,"d":"51.91"}},{"v":21.692146247129845,"d":"21.69"},48]
[null,null,"A1",{"$f":"concert_pitch/8","v":{"v":55,"d":"55.00"}},{"v":20.47465962960046,"d":"20.47"},49]
[null,null,"A#1",{"$f":"D138*2^(1/12)","v":{"v":58.27047018976124,"d":"58.27"}},{"v":19.32550528528075,"d":"19.33"},50]
[null,null,"B1",{"$f":"D138*2^(2/12)","v":{"v":61.735412657015516,"d":"61.74"}},{"v":18.2408480183708,"d":"18.24"},51]
[null,null,"C2",{"$f":"D138*2^(3/12)","v":{"v":65.40639132514966,"d":"65.41"}},{"v":17.217067886070975,"d":"17.22"},52]
[null,null,"C#2",{"$f":"D138*2^(4/12)","v":{"v":69.29565774421802,"d":"69.30"}},{"v":16.250748117359297,"d":"16.25"},53]
[null,null,"D2",{"$f":"D138*2^(5/12)","v":{"v":73.4161919793519,"d":"73.42"}},{"v":15.338663709835831,"d":"15.34"},54]
[null,null,"D#2",{"$f":"D138*2^(6/12)","v":{"v":77.78174593052023,"d":"77.78"}},{"v":14.47777066657693,"d":"14.48"},55]
[null,null,"E2",{"$f":"D138*2^(7/12)","v":{"v":82.40688922821748,"d":"82.41"}},{"v":13.665195837078484,"d":"13.67"},56]
[null,null,"F2",{"$f":"D138*2^(8/12)","v":{"v":87.30705785825097,"d":"87.31"}},{"v":12.898227328383193,"d":"12.90"},57]
[null,null,"F#2",{"$f":"D138*2^(9/12)","v":{"v":92.4986056779086,"d":"92.50"}},{"v":12.174305454389922,"d":"12.17"},58]
[null,null,"G2",{"$f":"D138*2^(10/12)","v":{"v":97.99885899543732,"d":"98.00"}},{"v":11.49101419313928,"d":"11.49"},59]
[null,null,"G#2",{"$f":"D138*2^(11/12)","v":{"v":103.82617439498628,"d":"103.83"}},{"v":10.846073123564922,"d":"10.85"},60]
[null,null,"A2",{"$f":"concert_pitch/4","v":{"v":110,"d":"110.00"}},{"v":10.23732981480023,"d":"10.24"},61]
[null,null,"A#2",{"$f":"D150*2^(1/12)","v":{"v":116.54094037952248,"d":"116.54"}},{"v":9.662752642640376,"d":"9.66"},62]
[null,null,"B2",{"$f":"D150*2^(2/12)","v":{"v":123.47082531403103,"d":"123.47"}},{"v":9.1204240091854,"d":"9.12"},63]
[null,null,"C3",{"$f":"D150*2^(3/12)","v":{"v":130.8127826502993,"d":"130.81"}},{"v":8.608533943035487,"d":"8.61"},64]
[null,null,"C#3",{"$f":"D150*2^(4/12)","v":{"v":138.59131548843604,"d":"138.59"}},{"v":8.125374058679649,"d":"8.13"},65]
[null,null,"D3",{"$f":"D150*2^(5/12)","v":{"v":146.8323839587038,"d":"146.83"}},{"v":7.669331854917916,"d":"7.67"},66]
[null,null,"D#3",{"$f":"D150*2^(6/12)","v":{"v":155.56349186104046,"d":"155.56"}},{"v":7.238885333288465,"d":"7.24"},67]
[null,null,"E3",{"$f":"D150*2^(7/12)","v":{"v":164.81377845643496,"d":"164.81"}},{"v":6.832597918539242,"d":"6.83"},68]
[null,null,"F3",{"$f":"D150*2^(8/12)","v":{"v":174.61411571650194,"d":"174.61"}},{"v":6.4491136641915965,"d":"6.45"},69]
[null,null,"F#3",{"$f":"D150*2^(9/12)","v":{"v":184.9972113558172,"d":"185.00"}},{"v":6.087152727194961,"d":"6.09"},70]
[null,null,"G3",{"$f":"D150*2^(10/12)","v":{"v":195.99771799087463,"d":"196.00"}},{"v":5.74550709656964,"d":"5.75"},71]
[null,null,"G#3",{"$f":"D150*2^(11/12)","v":{"v":207.65234878997256,"d":"207.65"}},{"v":5.423036561782461,"d":"5.42"},72]
[null,null,"A3",{"$f":"concert_pitch/2","v":{"v":220,"d":"220.00"}},{"v":5.118664907400115,"d":"5.12"},73]
[null,null,"A#3",{"$f":"D162*2^(1/12)","v":{"v":233.08188075904496,"d":"233.08"}},{"v":4.831376321320188,"d":"4.83"},74]
[null,null,"B3",{"$f":"D162*2^(2/12)","v":{"v":246.94165062806206,"d":"246.94"}},{"v":4.5602120045927,"d":"4.56"},75]
[null,null,"C4",{"$f":"D162*2^(3/12)","v":{"v":261.6255653005986,"d":"261.63"}},{"v":4.304266971517744,"d":"4.30"},76]
[null,null,"C#4",{"$f":"D162*2^(4/12)","v":{"v":277.1826309768721,"d":"277.18"}},{"$f":"sound_velocity/D166","v":{"v":4.062687029339824,"d":"4.06"}},77]
[null,null,"D4",{"$f":"D162*2^(5/12)","v":{"v":293.6647679174076,"d":"293.66"}},{"v":3.834665927458958,"d":"3.83"},78]
[null,null,"D#4",{"$f":"D162*2^(6/12)","v":{"v":311.1269837220809,"d":"311.13"}},{"v":3.6194426666442325,"d":"3.62"},79]
[null,null,"E4",{"$f":"D162*2^(7/12)","v":{"v":329.6275569128699,"d":"329.63"}},{"v":3.416298959269621,"d":"3.42"},80]
[null,null,"F4",{"$f":"D162*2^(8/12)","v":{"v":349.2282314330039,"d":"349.23"}},{"v":3.2245568320957982,"d":"3.225"},81]
[null,null,"F#4",{"$f":"D162*2^(9/12)","v":{"v":369.9944227116344,"d":"369.99"}},{"v":3.0435763635974804,"d":"3.044"},82]
[null,null,"G4",{"$f":"D162*2^(10/12)","v":{"v":391.99543598174927,"d":"392.00"}},{"v":2.87275354828482,"d":"2.873"},83]
[null,null,"G#4",{"$f":"D162*2^(11/12)","v":{"v":415.3046975799451,"d":"415.30"}},{"v":2.7115182808912306,"d":"2.712"},84]
[null,null,"A4",{"$f":"concert_pitch","v":{"v":440,"d":"440.00"}},{"v":2.5593324537000575,"d":"2.559"},85]
[null,null,"A#4",{"$f":"D174*2^(1/12)","v":{"v":466.1637615180899,"d":"466.16"}},{"v":2.415688160660094,"d":"2.416"},86]
[null,null,"B4",{"$f":"D174*2^(2/12)","v":{"v":493.8833012561241,"d":"493.88"}},{"v":2.28010600229635,"d":"2.280"},87]
[null,null,"C5",{"$f":"D174*2^(3/12)","v":{"v":523.2511306011972,"d":"523.25"}},{"v":2.152133485758872,"d":"2.152"},88]
[null,null,"C#5",{"$f":"D174*2^(4/12)","v":{"v":554.3652619537442,"d":"554.37"}},{"v":2.031343514669912,"d":"2.031"},89]
[null,null,"D5",{"$f":"D174*2^(5/12)","v":{"v":587.3295358348151,"d":"587.33"}},{"v":1.917332963729479,"d":"1.917"},90]
[null,null,"D#5",{"$f":"D174*2^(6/12)","v":{"v":622.2539674441618,"d":"622.25"}},{"v":1.8097213333221163,"d":"1.810"},91]
[null,null,"E5",{"$f":"D174*2^(7/12)","v":{"v":659.2551138257398,"d":"659.26"}},{"v":1.7081494796348105,"d":"1.708"},92]
[null,null,"F5",{"$f":"D174*2^(8/12)","v":{"v":698.4564628660078,"d":"698.46"}},{"v":1.6122784160478991,"d":"1.612"},93]
[null,null,"F#5",{"$f":"D174*2^(9/12)","v":{"v":739.9888454232688,"d":"739.99"}},{"v":1.5217881817987402,"d":"1.522"},94]
[null,null,"G5",{"$f":"D174*2^(10/12)","v":{"v":783.9908719634985,"d":"783.99"}},{"v":1.43637677414241,"d":"1.436"},95]
[null,null,"G#5",{"$f":"D174*2^(11/12)","v":{"v":830.6093951598903,"d":"830.61"}},{"v":1.3557591404456153,"d":"1.356"},96]
[null,null,"A5",{"$f":"concert_pitch*2","v":{"v":880,"d":"880.00"}},{"v":1.2796662268500287,"d":"1.280"},97]
[null,null,"A#5",{"$f":"D186*2^(1/12)","v":{"v":932.3275230361799,"d":"932.33"}},{"v":1.207844080330047,"d":"1.208"},98]
[null,null,"B5",{"$f":"D186*2^(2/12)","v":{"v":987.7666025122483,"d":"987.77"}},{"v":1.140053001148175,"d":"1.140"},99]
[null,null,"C6",{"$f":"D186*2^(3/12)","v":{"v":1046.5022612023945,"d":"1046.50"}},{"v":1.076066742879436,"d":"1.076"},100]
[null,null,"C#6",{"$f":"D186*2^(4/12)","v":{"v":1108.7305239074883,"d":"1108.73"}},{"v":1.015671757334956,"d":"1.016"},101]
[null,null,"D6",{"$f":"D186*2^(5/12)","v":{"v":1174.6590716696303,"d":"1174.66"}},{"v":0.9586664818647395,"d":"0.959"},102]
[null,null,"D#6",{"$f":"D186*2^(6/12)","v":{"v":1244.5079348883237,"d":"1244.51"}},{"v":0.9048606666610581,"d":"0.905"},103]
[null,null,"E6",{"$f":"D186*2^(7/12)","v":{"v":1318.5102276514797,"d":"1318.51"}},{"v":0.8540747398174052,"d":"0.854"},104]
[null,null,"F6",{"$f":"D186*2^(8/12)","v":{"v":1396.9129257320155,"d":"1396.91"}},{"v":0.8061392080239496,"d":"0.806"},105]
[null,null,"F#6",{"$f":"D186*2^(9/12)","v":{"v":1479.9776908465376,"d":"1479.98"}},{"v":0.7608940908993701,"d":"0.761"},106]
[null,null,"G6",{"$f":"D186*2^(10/12)","v":{"v":1567.981743926997,"d":"1567.98"}},{"v":0.718188387071205,"d":"0.718"},107]
[null,null,"G#6",{"$f":"D186*2^(11/12)","v":{"v":1661.2187903197805,"d":"1661.22"}},{"v":0.6778795702228076,"d":"0.678"},108]
[null,null,"A6",{"$f":"concert_pitch*4","v":{"v":1760,"d":"1760.00"}},{"$f":"sound_velocity/D198","v":{"v":0.6398331134250144,"d":"0.640"}},109]
[null,null,"A#6",{"$f":"D198*2^(1/12)","v":{"v":1864.6550460723597,"d":"1864.66"}},{"v":0.6039220401650235,"d":"0.604"},110]
[null,null,"B6",{"$f":"D198*2^(2/12)","v":{"v":1975.5332050244965,"d":"1975.53"}},{"v":0.5700265005740875,"d":"0.570"},111]
[null,null,"C7",{"$f":"D198*2^(3/12)","v":{"v":2093.004522404789,"d":"2093.00"}},{"v":0.538033371439718,"d":"0.538"},112]
[null,null,"C#7",{"$f":"D198*2^(4/12)","v":{"v":2217.4610478149766,"d":"2217.46"}},{"v":0.507835878667478,"d":"0.508"},113]
[null,null,"D7",{"$f":"D198*2^(5/12)","v":{"v":2349.3181433392606,"d":"2349.32"}},{"v":0.47933324093236973,"d":"0.479"},114]
[null,null,"D#7",{"$f":"D198*2^(6/12)","v":{"v":2489.0158697766474,"d":"2489.02"}},{"v":0.45243033333052907,"d":"0.452"},115]
[null,null,"E7",{"$f":"D198*2^(7/12)","v":{"v":2637.0204553029594,"d":"2637.02"}},{"v":0.4270373699087026,"d":"0.427"},116]
[null,null,"F7",{"$f":"D198*2^(8/12)","v":{"v":2793.825851464031,"d":"2793.83"}},{"v":0.4030696040119748,"d":"0.403"},117]
[null,null,"F#7",{"$f":"D198*2^(9/12)","v":{"v":2959.955381693075,"d":"2959.96"}},{"v":0.38044704544968505,"d":"0.380"},118]
[null,null,"G7",{"$f":"D198*2^(10/12)","v":{"v":3135.963487853994,"d":"3135.96"}},{"v":0.3590941935356025,"d":"0.359"},119]
[null,null,"G#7",{"$f":"D198*2^(11/12)","v":{"v":3322.437580639561,"d":"3322.44"}},{"v":0.3389397851114038,"d":"0.339"},120]
[null,null,"A7",{"$f":"concert_pitch*8","v":{"v":3520,"d":"3520.00"}},{"v":0.3199165567125072,"d":"0.320"},121]
[null,null,"A#7",{"$f":"D210*2^(1/12)","v":{"v":3729.3100921447194,"d":"3729.31"}},{"v":0.30196102008251174,"d":"0.302"},122]
[null,null,"B7",{"$f":"D210*2^(2/12)","v":{"v":3951.066410048993,"d":"3951.07"}},{"v":0.2850132502870438,"d":"0.285"},123]
[null,null,"C8",{"$f":"D210*2^(3/12)","v":{"v":4186.009044809578,"d":"4186.01"}},{"v":0.269016685719859,"d":"0.269"},124]
[null,"(Hypothetical note)","C#8",{"$f":"D210*2^(4/12)","v":{"v":4434.922095629953,"d":"4434.92"}},{"v":0.253917939333739,"d":"0.254"},125]
[null,"(Hypothetical note)","D8",{"$f":"D210*2^(5/12)","v":{"v":4698.636286678521,"d":"4698.64"}},{"v":0.23966662046618487,"d":"0.240"},126]
[null,"(Hypothetical note)","D#8",{"$f":"D210*2^(6/12)","v":{"v":4978.031739553295,"d":"4978.03"}},{"v":0.22621516666526453,"d":"0.226"},127]
[null,"(Hypothetical note)","E8",{"$f":"D210*2^(7/12)","v":{"v":5274.040910605919,"d":"5274.04"}},{"v":0.2135186849543513,"d":"0.214"},128]
[null,"(Hypothetical note)","F8",{"$f":"D210*2^(8/12)","v":{"v":5587.651702928062,"d":"5587.65"}},{"v":0.2015348020059874,"d":"0.202"},129]
[null,"(Hypothetical note)","F#8",{"$f":"D210*2^(9/12)","v":{"v":5919.91076338615,"d":"5919.91"}},{"v":0.19022352272484253,"d":"0.190"},130]
[null,"(Hypothetical note)","G8",{"$f":"D210*2^(10/12)","v":{"v":6271.926975707988,"d":"6271.93"}},{"v":0.17954709676780126,"d":"0.180"},131]
[null,"(Hypothetical note)","G#8",{"$f":"D210*2^(11/12)","v":{"v":6644.875161279122,"d":"6644.88"}},{"v":0.1694698925557019,"d":"0.169"},132]
[null,"(Hypothetical note)","A8",{"$f":"concert_pitch*16","v":{"v":7040,"d":"7040.00"}},{"v":0.1599582783562536,"d":"0.160"},133]
[null,"(Hypothetical note)","A#8",{"$f":"D222*2^(1/12)","v":{"v":7458.620184289439,"d":"7458.62"}},{"v":0.15098051004125587,"d":"0.151"},134]
[null,"(Hypothetical note)","B8",{"$f":"D222*2^(2/12)","v":{"v":7902.132820097986,"d":"7902.13"}},{"v":0.1425066251435219,"d":"0.143"},135]

{"sheet":"Acknowledgements","index":9,"n_rows":52,"n_cols":5,"rows_kept":52}
[]
[null,"Acknowledgements"]
[null,"Every attempt has been made to recognise the authorship of the formulae and data used within this spreadsheet.  All sources are quoted where known."]
[null,"In the event that formulae or data have been published in multiple forms and/or locations, recognition is given to the source from which the author obtained"]
[null,"the information.  This is not necessarily the primary source."]
[]
[null,"Special Thanks"]
[null,"I would like to thank these people for their time & help in reviewing this spreadsheet"]
[null,null,"Eric Desart","Antwerp, Belgium","http://www.acoustics-noise.com"]
[null,null,"James Heddle","Australia","Website currently unavailable"]
[]
[null,"Room Ratios Sheet","Person/Organisation","Location","Source material"]
[null,"Bolt's room dimensions","Sound on Sound","http://www.sospubs.co.uk","Page controlrooms.html"]
[null,"Bolt's relationship","Richard Bolt"]
[null,"EBU & IEC relationships","Cox & D'Antonio","http://www.rpginc.com","http://www.rpginc.com/cgi-bin/byteserver.pl/news/library/roomsizer.pdf"]
[null,"Resonance plot","Prof Trevor Cox","Universtity of Salford, UK","http://www.acoustics.salford.ac.uk/acoustics_world/room_sizer/room_sizing3.htm"]
[]
[null,"Basic Properties Sheet"]
[null,"Speed of sound","Eric Desart","http://www.acoustics-noise.com","Quoting ASTM C 423"]
[null,"Schroeder transition frequency","Kinsler & Frey",null,"Fundamentals of Acoustics"]
[null,"Lowest modal frequency","Siegfried Linkwitz","http://www.linkwitzlab.com","Quoting from Kuttruff, Room Acoustics, 1991"]
[null,"Modes below cutoff frequency","Siegfried Linkwitz","ibid","ibid"]
[null,"Mode spacing","Siegfried Linkwitz","ibid","ibid"]
[null,"Rise time","Siegfried Linkwitz","ibid","Page rooms.htm"]
[null,"Rettinger's decay time","Sound on Sound","http://www.sospubs.co.uk","Page controlrooms.html"]
[]
[null,"Resonant Modes Sheet"]
[null,"Frequency of room modes","Reinhard Neubauer","http://www.ib-neubauer.com"]
[null,"Modal attenuation","Prof Y.W. Lam","Universtity of Salford, UK","Paper on \"\"Diffuse Field Room Acoustics\"\", 1995"]
[]
[null,"RT60 Sheet"]
[null,"Sabine's formula","Reinhard Neubauer","http://www.ib-neubauer.com","8th ICSV, Hong Kong, China"]
[null,"Eyring's formula","Reinhard Neubauer","ibid","ibid"]
[null,"Fitzroy's formula","Reinhard Neubauer","ibid","ibid"]
[null,"Arau's formula","Reinhard Neubauer","ibid","ibid"]
[null,"Kuttruff's effective absorption coefficient","Reinhard Neubauer","ibid","ibid"]
[null,"Modification to Fitzroy's formula","Reinhard Neubauer","ibid","ibid"]
[]
[null,"Schroeder Diffusers Sheet"]
[null,"Diffuser well depth","Geoffrey Martin","McGill University, Montreal, Canada","http://www.music.mcgill.ca/cirmmt/publications/pdf/martin01a.pdf"]
[null,"Diffuser well width","Manfred Schroeder","University of Goettingen, Germany"]
[null,"Effective bandwidth","Manfred Schroeder","ibid"]
[]
[null,"Absorption Coefficients Sheet"]
[null,"Absorption Coefficients","Acoustics Engineering","Various manufacturers","http://www.acoustics-engineering.com/sabin/absdatabases.htm"]
[null,null,"SAE College",null,"http://www.saecollege.de/reference_material/pages/Coefficient%20Chart.htm"]
[null,null,"Auralex Acoustics"]
[]
[null,"Intermediate Values Sheet"]
[null,"Kuttruff's effective absorption coefficient","Reinhard Neubauer","http://www.ib-neubauer.com","8th ICSV, Hong Kong, China"]
[null,"Modification to Fitzroy's formula","Reinhard Neubauer","ibid","ibid"]
[null,"Factor for RT60 calculations","Eric Desart","http://www.acoustics-noise.com"]