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ISO 389-1:2017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

出版:International Organization for Standardization

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基本信息
標(biāo)準(zhǔn)編號(hào): ISO 389-1:2017
發(fā)布時(shí)間:2017/12/13 0:00:00
標(biāo)準(zhǔn)類別:Standard
出版單位:International Organization for Standardization
標(biāo)準(zhǔn)頁(yè)數(shù):10
標(biāo)準(zhǔn)簡(jiǎn)介

Gives a standard reference zero for the scale of hearing threshold level that applies to puretone air conduction audiometers, so as to promote agreement and uniformity in the expression of hearing threshold level measurements throughout the world.

本標(biāo)準(zhǔn)替代的舊標(biāo)準(zhǔn)

ISO/FDIS 389-1

ISO 389-1:1998

ISO 389-1 : 1998