ANSI/ASA S12.56/ISO 3746:2011(R2020)
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Acoustics – Determination of sound power levels and sound energy levels of noise sources using sound pressure – Survey method using an enveloping measurement surface over a reflecting plane (a Nationally Adopted International Standard)
Hardcopy , PDF
English
19-06-2020
This American National Standard specifies methods for determining the sound power level or sound energy level of a noise source from sound pressure levels measured on a surface enveloping a noise source (machinery or equipment) in a test environment for which requirements are given.
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