SS-EN ISO 389-1:2018現(xiàn)行
Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones (ISO 389-1:2017)
出版：Standardiserings-Kommissionen I Sverige
專家解讀視頻
基本信息
標準編號： SS-EN ISO 389-1:2018
標準類別：Standard
出版單位：Standardiserings-Kommissionen I Sverige
標準頁數(shù)：0
標準簡介
ISO 389-1:2017 specifies a standard reference zero for the scale of hearing threshold level applicable to pure-tone air conduction audiometers, to promote agreement and uniformity in the expression of hearing threshold level measurements throughout the world.
