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ISO 389-1:2017现行

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
标准编号: ISO 389-1:2017
发布时间:2017/12/13 0:00:00
标准类别:Standard
出版单位:International Organization for Standardization
标准页数:10
标准简介

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.