The document specifies the following data applicable to the calibration of bone vibrators for pure-tone bone conduction audiometry: a) Reference equivalent threshold force levels, corresponding to the threshold of hearing of young otologically normal persons by borne-conduction audiometry. b) Essential characteristics of the bone vibrator and of its method of coupling to a person under test and to the mechanical coupler. c) Essential characteristics and datum level of the masking noise applied to the ear not under test.#,,#
DIN EN ISO 389-3-1999由德国标准化学会 DE-DIN 发布于 1999-07,并于 1999-07-01 实施。
DIN EN ISO 389-3-1999 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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