AS ISO 8253.2-2009现行
Acoustics - Audiometric test methods Sound field audiometry with pure tone and narrow-band test signals
出版：Standards Australia
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基本信息
标准编号： AS ISO 8253.2-2009
发布时间：2009/3/9 0:00:00
标准类别：Standard
出版单位：Standards Australia
标准页数：12
标准简介
Adopts ISO 8253-2:1992 to specify the relevant test signal characteristics, requirements for free, diffuse and quasi-free sound fields, and the procedures for sound field audiometry using pure tones, frequency modulated tones or other narrow-band test signals presented by means of one or more loudspeakers, primarily for the purpose of determining hearing threshold levels in the frequency range from 125 Hz to 12500 Hz.
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