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ASTM C 384 : 1998

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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

Superseded date

11-11-2014

Superseded by

ASTM C 384 : 2003

Published date

31-12-2010

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Committee
E 33
DocumentType
Test Method
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

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 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.

1.3 The values stated in SI units are to be regarded as the standard.

ASTM E 1179 : 2013 : R2019 Standard Specification for Sound Sources Used for Testing Open Office Components and Systems
ASTM C 634 : 2013 : R2021 Standard Terminology Relating to Building and Environmental Acoustics
ASTM E 1050 : 2019 Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System
ASTM D 5456 : 2019 : EDT 1 Standard Specification for Evaluation of Structural Composite Lumber Products
ASTM D 6011 : 1996 : R2015 Standard Test Method for Determining the Performance of a Sonic Anemometer/Thermometer

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