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ASA S12.54-2011 / ISO 3744:2010 (R2016)

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ASA S12.54-2011 / ISO 3744:2010 (R2016) Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Pressure - Engineering Method in an Essentially Free Field Over a Reflecting Plane

standard by American National Standards of the Acoustical Society of America, 03/01/2011

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This American National Standard specifies methods for determining the sound power level or soundenergy level of a noise source from sound pressure levels measured on a surface enveloping the noisesource (machinery or equipment) in an environment that approximates to an acoustic free field near oneor more reflecting planes. The sound power level (or, in the case of noise bursts or transient noiseemission, the sound energy level) produced by the noise source, in frequency bands or with A-weightingapplied, is calculated using those measurements.

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Published: 03/01/2011 ANSI: ANSI Approved Number of Pages: 100File Size: 1 file , 770 KB