 IEC reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts, 1961 ; (4) British Standard 3171 :1968.  Hearing AidsHarvey Dillon 著 - 2001 - 504 ページプレビュー不可 - この書籍について
 | 1976 - 514 ページ
...apparatus, these recommendations are written primarily in terms of the free field response. 23.1.6. IEC 126 (1973) IEC REFERENCE COUPLER FOR THE MEASUREMENT OF...EARPHONES COUPLED TO THE EAR BY MEANS OF EAR INSERTS. The purpose of this Recommendation is to describe a coupler for loading the earphone with a specified... | |
 | 1977 - 90 ページ
...1961. lnternational Electrotechnical Commission. lnternational Electrotechnical Commission recommended reference coupler for the measurement of hearing aids...using earphones coupled to the ear by means of ear lnserts. 126, 1961 (reissued, 1973). lnternational Electrotechnical Commission. lnternational Electrotechnical... | |
| |
