|
Calculate the reverberation time of a room, 10 m wide by 18 m long by 4 m high. The ceiling is acoustic, the walls are plastered, the floor is made of con- crete and there are 50 persons in the room. Sound absorption coefficients are acoustic ceiling 0.60, plaster 0.03, concrete 0.02, the absorbing power per person is 0.5. |
| New search. (Also 5349 free access solutions) |