
AN I E C ARTIFICIAL EAR, OF THE WIDEBAND TYPE, FOR THE CALIBRATION OF EARPHONES USED IN AUDIOMETRY
出版:International Electrotechnical Committee

專家解讀視頻
Specifies an artificial ear which covers the frequency band 20 Hz to 10000 Hz and is intended for calibrating supra-aural earphones applied to the ear without acoustical leakage used for audiometric measurements.
UNE 20642 : 1980 - Identical
NEN 10318 : 1971 - Identical
BS 4669(1971) : 1971 - Similar to