Question: two rooms, each having a floor measuring 5 m by 6 m and a ceiling height of 2 m , are separated by a brick

two rooms, each having a floor measuring 5 m by 6 m and a ceiling height of 2 m, are separated by a brick wall. the common wall is 5 m long and 2 m high, and has a TL of 62 dB in the 3 kHz octave band. the total absorption in each room is 20 metric sabins at 3kHz.

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