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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.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 91.120.20 : Acoustics in building. Sound insulation |
| Number of pages | 11 |
| Replace | ASTM C423-09a + Redline |
| Set | ASTMVOL0406 |
| Year | 2017 |
| Document history | ASTM C423-09a + Redline |
| Country | USA |
| Keyword | ASTM 423;ASTM C423;ASTM C423;10.1520/C0423-17 |