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ISO 4869-2:2018

Current Revision

Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn

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This document specifies three methods (the octave-band, HML and SNR methods) of estimating the A-weighted sound pressure levels effective when hearing protectors are worn. The methods are applicable to either the sound pressure level or the equivalent continuous sound pressure level of the noise. Although primarily intended for steady noise exposures, the methods are also applicable to noises containing impulsive components. It is possible that these methods could not be suitable for use with peak sound pressure level measurements.

The octave-band, H, M, L or SNR values are suitable for establishing sound attenuation criteria for selecting or comparing hearing protectors, and/or setting minimum acceptable sound attenuation requirements.


SDO ISO: International Organization for Standardization
Document Number ISO 4869
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 43/SC 1
Publish Date Document Id Type View
Not Available ISO 4869-2:2018 Revision