
Hearing aids. Methods for measurement of characteristics of hearing aids with bone vibrator output
出版:British Standards Institution

专家解读视频
Covers bone vibrators which are integral with, not integral with, or attachments to hearing aids, and specifies the methods of measuring the hearing aid output and expresses the input/output ratio as an acousto-mechanical sensitivity level measured on a mechanical coupler.
© British Standards Institution 2013
Amendment notes:
AMD 6186 published 31 October 1990
IEC 60118-9 Ed. 1.0 - Identical