BS 7113:1989被替代
Specification for reference levels for narrow-band masking noise
出版：British Standards Institution
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基本信息
标准编号： BS 7113:1989
发布时间：1989/9/29 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：8
标准简介
Reference levels for calibration of narrow-band masking noise presented by air conduction from an earphone in pure tone audiometry. Data are given for noise bandwidths of one-third and one-half octaves.
标准备注
© British Standards Institution 2013
Amendment notes:
AMD 7342 published 15 October 1992
替代本标准的新标准
等同采用的国际标准
ISO 8798:1987 - Identical
