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EVS-EN ISO 4869-2:1999

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

General information
Withdrawn from 03.12.2018
Base Documents
ISO 4869-2:1994; EN ISO 4869-2:1995
Directives or regulations
None

Standard history

Status
Date
Type
Name
03.12.2018
Main
06.08.2007
Corrigendum
01.01.2000
Main
Describes three methods (the octave-band, HML and SNR methods) for 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. They are not suitable for use with peak sound pressure level measurements.
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