BS 7113:1989被替代
Specification for reference levels for narrow-band masking noise
出版：British Standards Institution
專家解讀視頻
基本信息
標準編號： BS 7113:1989
發布時間：1989/9/29 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：8
標準簡介
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.
標準備注
? British Standards Institution 2013
Amendment notes:
AMD 7342 published 15 October 1992
替代本標準的新標準
等同采用的國際標準
ISO 8798:1987 - Identical
