UNI EN ISO 4869-2 : 2019
Current
Current
The latest, up-to-date edition.
Acoustics - Hearing protectors - Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
Published date
10-01-2019
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.
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