I'm having a difficult time understanding the difference between all of the different acoustical terms, NRC, TL, STC, etc. I've read the study guide definitions, but get stumped every time I get to a practice question. Any source recommendations that break it down?
PDD is my last exam and only a few weeks away, so I'm trying to not pay for any other study materials. Just closing the gaps on the last topics I can't seem to wrap my head around.
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