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ASTM E1050

STANDARD TEST METHOD FOR IMPEDANCE AND ABSORPTION OF ACOUSTICAL MATERIALS USING A TUBE, TWO MICROPHONES, AND A DIGITAL FREQUENCY ANALYSIS SYSTEM

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Organization: ASTM
Publication Date: 30 May 1986
Status: inactive
Page Count: 8
ICS Code (Acoustics in building. Sound insulation): 91.120.20

Document History

October 1, 2019
Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System
This test method covers the use of an impedance tube, two microphone locations, and a digital frequency analysis system for the determination of normal incidence sound absorption coefficients and...
April 1, 2012
Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System
This test method covers the use of an impedance tube, two microphone locations, and a digital frequency analysis system for the determination of normal incidence sound absorption coefficients and...
September 1, 2010
Standard Test Method for Impedance and Absorption of Acoustical Materials Using Tube, Two Microphones and Digital Frequency Analysis System
This test method covers the use of an impedance tube, two microphone locations, and a digital frequency analysis system for the determination of normal incidence sound absorption coefficients and...
January 15, 2008
Standard Test Method for Impedance and Absorption of Acoustical Materials Using A Tube, Two Microphones and A Digital Frequency Analysis System
This test method covers the use of an impedance tube, two microphone locations, and a digital frequency analysis system for the determination of normal incidence sound absorption coefficients and...
December 1, 2007
Standard Test Method for Impedance and Absorption of Acoustical Materials Using A Tube, Two Microphones and A Digital Frequency Analysis System
This test method covers the use of an impedance tube, two microphone locations, and a digital frequency analysis system for the determination of normal incidence sound absorption coefficients and...
June 10, 1998
Standard Test Method for Impedance and Absorption of Acoustical Materials Using A Tube, Two Microphones and A Digital Frequency Analysis System
This test method covers the use of an impedance tube, two microphone locations, and a digital frequency analysis system for the determination of normal incidence sound absorption coefficients and...
June 10, 1998
Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System
1. Scope 1.1 This test method covers the use of an impedance tube, two microphone locations, and a digital frequency analysis system for the determination of normal incidence sound absorption...
January 1, 1990
Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones, and a Digital Frequency Analysis System
A description is not available for this item.
ASTM E1050
May 30, 1986
STANDARD TEST METHOD FOR IMPEDANCE AND ABSORPTION OF ACOUSTICAL MATERIALS USING A TUBE, TWO MICROPHONES, AND A DIGITAL FREQUENCY ANALYSIS SYSTEM
A description is not available for this item.
July 26, 1985
STANDARD TEST METHOD FOR IMPEDANCE AND ABSORPTION OF ACOUSTICAL MATERIALS USING A TUBE, TWO MICROPHONES, AND A DIGITAL FREQUENCY ANALYSIS SYSTEM
A description is not available for this item.
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