AS 5335:2019

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Acoustics – Determination of sound power levels and sound energy levels of noise sources using sound pressure – Engineering methods for an essentially free field over a reflecting plane

Published By	Publication Date	Number of Pages
AS	2019-07-15	91

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Categories: 13.140 - Noise with respect to human beings, AS

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Description

The objective of this Standard is to specify methods for determining the sound power level or sound energy level of a noise source from sound pressure levels measured on a surface enveloping the noise source (machinery or equipment) in an environment that approximates to an acoustic free field near one or more reflecting planes.

Scope

This International 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 the noise source (machinery or equipment) in an environment that approximates to an acoustic free field near one or more reflecting planes. The sound power level (or, in the case of noise bursts or transient noise emission, the sound energy level) produced by the noise source, in frequency bands or with A-weighting applied, is calculated using those measurements.
NOTE Differently shaped measurement surfaces can yield differing estimates of the sound power level of a given noise source and an appropriately drafted noise test code (see ISO 12001) gives detailed information on the selection of the surface.

Additional information

Published Code	AS
Published By	Australia Standards
Publication Date	2019-07-15
Pages Count	91
Language	English
Edition	1
File Size	2.3 MB
ISBN	9781760725273
ICS Codes	13.140 - Noise with respect to human beings

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AS 5335:2019

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