
Specification for reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts
出版:British Standards Institution

专家解读视频
Describes a coupler for loading the earphones with a specific acoustic impedance when determining the physical performance characteristics. Not intended for determining performance of a hearing aid on a person but only as a simple means for the exchange of data.
© British Standards Institution 2013
Amendment notes:
AMD 6232 published 30 April 1990
IEC 60126 Ed. 2.0 - Identical