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EVS-EN ISO 3744:2010

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

General information
Valid from 06.12.2010
Base Documents
ISO 3744:2010; EN ISO 3744:2010
Directives or regulations
2006/42/EC Machinery (MD)
Standard history
Status
Date
Type
Name
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.
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