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助听器有助于改善耳聋患者的生活质量。 1999年我们开发研制了耳道式助听器 (ＩＴＣ)及隐蔽型深耳道式助听器(ＣＩＣ) ,已通过鉴定 ,现将技术路线报告如下。1 原理和性能助听器的工作原理是将外界的声音通过麦克风 (ＭＩＣ)转换成电信号 ,放大后再由受话器或喇叭还原成比原输?
Hearing aids help to improve the quality of life of deaf patients. In 1999, we developed the ITC and CIC, which have passed the appraisal. The technical route is reported as follows. 1 Principle and performance The working principle of the hearing aid is to convert the sound of the outside world into an electrical signal through a microphone (MIC), and then amplified by the receiver or the horn to be smaller than the original one.