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ASA S12.79-2021/ISO 26101-2021

American National Standard for Acoustics - Test methods for the qualification of freefield environments

standard by Acoustical Society of America Standards , 10/25/2021

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Full Description

This document describes the divergence loss method of measurement of performance of an environment designed to provide a free sound field or free sound field over a reflecting plane. An acoustical environment is a free sound field if it has bounding surfaces that absorb all sound energies incident upon them. This is normally achieved using specialized test environments, such as anechoic or hemi-anechoic chambers. In practice, these provide a controlled free sound field for acoustical measurements in a confined space within the facility.

 

Product Details

Published:
10/25/2021
ANSI:
ANSI Approved
Number of Pages:
34
File Size:
1 file , 990 KB
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