
Hearing-aids - Measurement Of Earphones Coupled To The Ear By Ear Insert - Occluded-ear Simulator
出版:Nederlands Normalisatie Instituut

專(zhuān)家解讀視頻
Specifies an occluded-ear simulator intended for the calibration of insert earphones in the frequency range 100 Hz to 10000 Hz in terms of the sound pressure at the eardrum.
IEC 60711 Ed. 1.0 - Identical