BS 6950:1988被替代
Specification for a standard reference zero for the calibration of pure tone bone conduction audiometers
出版：British Standards Institution
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基本信息
标准编号： BS 6950:1988
发布时间：1988/2/29 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：16
标准简介
Gives reference equivalent threshold force levels for the hearing threshold of otologically normal persons, aged between 18 and 30 years by bone conduction audiometry; essential characteristics of the bone vibrator and its coupling to both the test subject and the mechanical coupler; essential characteristics and datum level of the masking noise applied to the ear not under test.
标准备注
© British Standards Institution 2013
Amendment notes:
AMD 7340 published 15 October 1992
替代本标准的新标准
等同采用的国际标准
ISO 7566:1987 - Identical
