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The reverberation time is 3 sec. calculate the total absorption of surface and average absorption

If the dimension of the room is 1086m3

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Given Data :- V=10×8×6=480m3

S=2[(10×8)+(8×6)+(10×6)]=376m3

T=3sec.

Formula :- T=0.161V/A=0.161V/(αav.S)

Calculations:- A= (0.161×V)/T=(0.161×480)/3=25.76sabinem2

αav=A/S=25.76/376=0.068 sabine.

Answer :-

Total absorption , A = 25.76 sabinem2

Average absorption coefficient, $α_av …

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