AOTD: 2/9/09 February 9, 2009
Posted by ConnorSmith in : Acoustics, AOTD , trackbackSTC – Sound Transmission Coefficient
This is a number assigned to building materials to provide a means of comparing acoustical isolation properties. The higher the number, the more isolation. (For example, a CMU wall filled with sand would have a higher rating than a piece of drywall). These numbers are important to acousticians when doing things like figuring out theoretical reverb time (RT60) calculations, among numerous other applications.
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