CEI EN 60645-2 : 1997现行
AUDIOMETERS - PART 2: EQUIPMENT FOR SPEECH AUDIOMETRY
出版：Comitato Elettrotecnico Italiano
专家解读视频
基本信息
标准编号： CEI EN 60645-2 : 1997
发布时间：1997/1/1 0:00:00
标准类别：Standard
出版单位：Comitato Elettrotecnico Italiano
标准页数：22
标准简介
Describes the requirements for audiometers or parts thereof designed to provide a means of presenting speech sounds to a subject in a standardized manner, for example for the measurement of speech recognition.
