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Community Noise Equivalent Level
From Wikipedia, the free encyclopedia
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Community Noise Equivalent Level (CNEL) is a weighted average of ambient noise level over time,[1] used in the US state of California to compare the noisiness of neighborhoods. CNEL is frequently used in regulations of airport noise impact on the surrounding community.[2][3] A CNEL exceeding 65 dB is generally considered unacceptable for a residential neighborhood.
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