DIN EN ISO 3744:2011 Edition

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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
DIN	2011-02	87

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Categories: 17.140.01 - Acoustic measurements and noise abatement in general, DIN

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Description

This Standard specifies methods of engineering grade of accuracy for determining the sound power level and 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 frequency-weighting A applied, is calculated using those measurements.

Additional information

Published Code	DIN
Published By	Deutsches Institut für Normung
Publication Date	2011-02
Pages Count	87
Language	Germany
Descriptors	Absorption, Acoustic measurement, Acoustic testing, Acoustics, Calibration, CE marking, Definitions, Determination, Ear protectors, Enveloping surface methods, Environment, Ergonomics, External noise, Fixings, Installations, Mathematical calculations, Measurement, Measurement duration, Measuring instruments, Measuring surfaces, Measuring techniques, Methods, Methods of calculation, Microphones, Noise, Noise (environmental), Noise measurement, Noise sources, Operation, Precision, Reflective, Rooms, Sound, Sound absorption, Sound fields, Sound level, Sound levels, Sound power, Sound pressure, Sound sources, Specification (approval), Standard deviation, Test equipment, Testing, Testing conditions, Sound intensity, Procedures, Processes, Extraneous noise
File Size	1.1 MB
ICS Codes	17.140.01 - Acoustic measurements and noise abatement in general

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DIN EN ISO 3744:2011 Edition

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