DIN EN ISO 4869-2 E:2019现行
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)
专家解读视频
基本信息
标准编号： DIN EN ISO 4869-2 E:2019
标准类别：Standard
出版单位：German Institute for Standardisation (Deutsches Institut für Normung)
标准页数：0
标准简介
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.
