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ASA S12.55-2012/ISO 3745:2012 (R2023)

Determination of sound power levels of noise sources using sound pressure – Precision methods for anechoic and hemi-anechoic rooms
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ASA S12.55-2012/ISO 3745:2012 (R2023)

Determination of sound power levels of noise sources using sound pressure – Precision methods for anechoic and hemi-anechoic rooms

PUBLISH DATE 2012
ASA S12.55-2012/ISO 3745:2012 (R2023)
This American National Standard specifies methods for measuring the sound pressure levels on a measurement surface enveloping a noise source (machinery or equipment) in an anechoic room or a hemi-anechoic room. The sound power level (or, in the case of impulsive or transient noise emission, the sound energy level) produced by the noise source, in frequency bands of width one-third octave or with frequency weighting A applied, is calculated using those measurements, including corrections to allow for any differences between the meteorological conditions at the time and place of the test and those corresponding to a reference characteristic acoustic impedance.
SDO ASA: Acoustical Society of America
Document Number S12.55/ISO 3745
Publication Date Aug. 23, 2012
Language en - English
Page Count
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Supercedes
Committee
Publish Date Document Id Type View
Aug. 23, 2012 Revision