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ASA/ANSI S12.2-2026

Criteria for Evaluating Room Noise

This Standard provides two methods for evaluating room noise: A-weighted sound level, and noise criterion (NC) curves. The methods assume that the noise spectrum is representative of a steady-state noise source from heating, ventilating, and air-conditioning equipment.

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Acoustical Society of America [asa]

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Amendments & Corrections
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