The document specifies a standard reference zero for the scale of hearing treshold level applicable to pure-tone air conduction audiometers, in order to promote agreement and uniformity in the expression of hearing treshold level measurements throughout the world. It states the information in a form suitable for direct application to the calibration of audiometers, that is, in terms of the response of two different standard models of earphone measured on a coupler complying with IEC 60303 and in terms of other supra-aural earphones of models specified in 4.3 measured on an aritficial ear complying with IEC 60318.#,,#
DIN EN ISO 389-1-2000由德国标准化学会 DE-DIN 发布于 2000-09,并于 2000-09-01 实施。
DIN EN ISO 389-1-2000 在中国标准分类中归属于: N65 声学仪器与测震仪,在国际标准分类中归属于: 13.140 噪声(与人有关的)。
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