This Standard provides three primary methods for evaluating room noise: a survey method thatemploys the A-weighted sound level; an engineering method that employs expanded noise criteria(NC) curves; and a method for evaluating low-frequency fluctuating noise using room noise criterion(RNC) curves.
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Published: 07/03/2008 ANSI: ANSI Approved Number of Pages: 50File Size: 1 file , 370 KB