ASTM C423-1999a 标准详情
- 标准号:ASTM C423-1999a
- 中文标题:用混响室法测定吸声及吸声系数的标准试验方法
- 英文标题:Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1999
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 coeffi
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