preferred noise criteria curve

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preferred noise criteria curve

acoustics

Also known as: PNC curve

Learn about this topic in these articles:

regulation of noise levels

In noise pollution: Noise regulation and mitigation
…the noise criteria (NC) and preferred noise criteria (PNC) curves, which provide limits on the level of noise introduced into the environment. The NC curves, developed in 1957, aim to provide a comfortable working or living environment by specifying the maximum allowable level of noise in octave bands over the…
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