BS 4669:1971被替代
Specification for an artificial ear of the wide band type for the calibration of earphones used in audiometry
出版：British Standards Institution
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基本信息
标准编号： BS 4669:1971
发布时间：1971/2/26 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：12
标准简介
Specifies requirements for an artificial ear which covers the audiometric frequency band from 80 Hz to 10 000 Hz. This artificial ear is intended for the calibration of super-aural earphones which are applied with minimum leakage to human ears.
标准备注
© British Standards Institution 2013
替代本标准的新标准
等同采用的国际标准
IEC 60318 Ed. 1.0 - Similar
