ISO-4869-2 › Historical Revision Information
Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn - Corrigendum

ISO-4869-2 - 1994 EDITION CORRIGENDUM 1 - SUPERSEDED
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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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13.340.20 (Head protective equipment Including helmets, eye-protectors, hearing protectors, ear muffs, teeth protectors and hoods.)

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Document Number

ISO 4869-2/Cor1:2006

Revision Level

1994 EDITION CORRIGENDUM 1

Status

Superseded

Publication Date

Sept. 15, 2006

Committee Number

ISO TC 43/SC 1/WG 17