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
專家解讀視頻
基本信息
標準編號： BS 4669:1971
發布時間：1971/2/26 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：12
標準簡介
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.
標準備注
? British Standards Institution 2013
替代本標準的新標準
等同采用的國際標準
IEC 60318 Ed. 1.0 - Similar
