ISO 4869-2:2018

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

Published By	Publication Date	Number of Pages
ISO	2018-10	26

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Description

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.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	2018-10
Pages Count	26
Language	France
Edition	2
File Size	532.5 KB

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ISO 4869-2:2018

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