
Occluded-Ear Simulator For The Measurement Of Earphones Coupled To The Ear By Ear Inserts
出版:Danish Standards

专家解读视频
Defines 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.
HD 443:1983 - Identical
IEC 60711 : 1.0 - Identical
HD 443 : 200S1 - Identical
IEC 60711 : 1.0 - Identical