Articles tagged “RC”
2 articles covering RC in acoustic engineering and building design.
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TUTORIALS6 min read
What is a Background Noise Survey?
A background noise survey measures ambient noise levels in octave bands to assess compliance with NC, NR, or RC criteria. Learn methodology, equipment, standards, and how results affect acoustic design.
March 20, 2026
background noisenoise survey
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TUTORIALS6 min read
What is an RC Rating?
RC (Room Criteria) is an enhanced noise rating system that evaluates both level and spectral quality of background noise. Learn how RC curves, spectral balance, and quality descriptors work per ASHRAE.
March 20, 2026
RCRoom Criteria