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ASTM International - ASTM C423-06

Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method

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Organization: ASTM International
Publication Date: 1 December 2006
Status: inactive
Page Count: 11
ICS Code (Acoustics in building. Sound insulation): 91.120.20
scope:

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.

1.2 Field Measurements-Although this test method primarily covers laboratory measurements, the test method described in 4.1 can be used for making field measurements of the absorption of rooms (see also 5.5). A non-standard method to measure the absorption of rooms in the field is described in Appendix X2.

1.3 This test method includes information on laboratory accreditation (see Annex A1), asymmetrical screens (see Annex A2), and reverberation room qualification (see Annex A3).

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Document History

February 1, 2022
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
5.1 Measurement of the sound absorption of a room is part of the procedure for other acoustical measurements, such as determining the sound power level of a noise source or the sound transmission...
January 15, 2017
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
5.1 Measurement of the sound absorption of a room is part of the procedure for other acoustical measurements, such as determining the sound power level of a noise source or the sound transmission...
October 15, 2009
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
Measurement of the sound absorption of a room is part of the procedure for other acoustical measurements, such as determining the sound power level of a noise source or the sound transmission loss of...
October 1, 2009
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
Measurement of the sound absorption of a room is part of the procedure for other acoustical measurements, such as determining the sound power level of a noise source or the sound transmission loss of...
October 1, 2008
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
Measurement of the sound absorption of a room is part of the procedure for other acoustical measurements, such as determining the sound power level of a noise source or the sound transmission loss of...
March 1, 2008
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
Measurement of the sound absorption of a room is part of the procedure for other acoustical measurements, such as determining the sound power level of a noise source or the sound transmission loss of...
June 1, 2007
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
Measurement of the sound absorption of a room is part of the procedure for other acoustical measurements, such as determining the sound power level of a noise source or the sound transmission loss of...
January 1, 2007
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
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...
ASTM C423-06
December 1, 2006
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
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...
December 10, 2002
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
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...
December 10, 2002
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
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...
April 10, 2002
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
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...
July 10, 2001
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
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...
July 10, 2001
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
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...
July 10, 2001
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
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...
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