How to calculate composite STC for a room?
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Data-Centers-NC-v4 EQc9: Acoustic performance
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Acoustic performance
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Daniel Hicks
Daniel Hicks, E.I., INCEGeiler & Associates
267 thumbs up
April 13, 2016 - 12:05 pm
Do you have access to standard ANSI S12.60? There is Table D.2 that is helpful for finding composite STC ratings.
Unfortunately, that is the only resource I know of that I can point you to other than an acoustical consultant who can make the calculation for you.