BS 4669(1971) : 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
专家解读视频
基本信息
标准编号： BS 4669(1971) : 1971
发布时间：1971/1/1 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：14
标准简介
Describes requirements for an artificial ear which covers the audiometric frequency band from 80 Hz to 10 000 Hz. Intended for the calibration of super-aural earphones which are applied with minimum leakage to human ears. Covers simple conventional, a type for use in telephonometric applications, wide band for audiometric applications, special for calibrating insert earphones and a type which faithfully reproduces the characteristics of the mean human ear for use in the laboratory.
替代本标准的新标准
等同采用的国际标准
IEC 60318 : 1ED 70 - Similar to
