CEI EN 60645-2 : 1997現行
AUDIOMETERS - PART 2: EQUIPMENT FOR SPEECH AUDIOMETRY
出版：Comitato Elettrotecnico Italiano
專家解讀視頻
基本信息
標準編號： CEI EN 60645-2 : 1997
發布時間：1997/1/1 0:00:00
標準類別：Standard
出版單位：Comitato Elettrotecnico Italiano
標準頁數：22
標準簡介
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.
