ASTM C384-04(2022)

Standard Test Method for Impedance and Absorption of Acoustical Materials by Impedance Tube Method

ASTM International, 10/01/2022

Publisher: ASTM

File Format: PDF

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Description

Published:01/10/2022

Pages:9

File Size:1 file , 190 KB

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1.1 This test method covers the use of an impedance tube, alternatively called a standing wave apparatus, for the measurement of impedance ratios and the normal incidence sound absorption coefficients of acoustical materials.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM C384-04(2022)

Standard Test Method for Impedance and Absorption of Acoustical Materials by Impedance Tube Method

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