Sound Transmission Class & the Architectural Pursuit of Serenity

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SOLVED:In measuring the sound transmission class of a 30  m^2 partition, the band level in the source room was kept constant at 90  dB, and for each 1 / 3-octave band from 125 to 4000  Hz the band levels and total sound absorption A (in square meters) in the receiving room were: (band level, A)=(65,15),(51,15),(44,16),(48,17), (44,19),(42,20),(47,25),(40,28),(39,30),(35,32),(34,36),(35,45),(33,53),(32,60), (34,60), and (37,60). Find the STC of the partition.

In measuring the sound transmission class of a 30 \mathrm{m}^{2... | Filo

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