
EAcoustics – Hearing protectors – Part 2: Estimation of effective Aweighted sound pressure levels when hearing protectors are worn (ISO 48692: 2018); English version EN ISO 48692: 2018, English translation of DIN EN ISO 4869-2:2019-10
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
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.