ASTM C423-17
- Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
- standard by ASTM International, 01/15/2017
- Category: ASTM
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1.1 This test method covers the measurement of sound absorption in a reverberation room by measuring decay rate. Procedures for measuring the absorption of a room, the absorption of an object, such as an office screen, and the sound absorption coefficients of a specimen of sound absorptive material, such as acoustical ceiling tile, are described.
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