A new proposed sound standard for classrooms, specifying a maximum background noise of 35 dBA, which the Air-Conditioning and Refrigeration Institute (ARI) says is “equivalent to a soft whisper at ...
We spent about 2.5 hours in an unexpectedly grueling session with renowned recording engineers Chuck Ainlay, Ed Cherney, Frank Filipetti, George Massenburg, Elliot Scheiner, and Al Schmitt (as well as ...
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