NDLI: The inspection system for hearing aids in situ working condition

Content Provider	IEEE Xplore Digital Library
Author	Ying Yan Xiaomei Chen Bo Zhong Huan Xu Feng Niu
Copyright Year	2014
Description	Author affiliation: Div. of Mech. & Acoust., Nat. Inst. of Metrol., Beijing, China (Bo Zhong; Huan Xu; Feng Niu) \|\| Coll. of Electr. & Electron. Eng., North China Electr. Power Univ., Beijing, China (Ying Yan; Xiaomei Chen)
Abstract	With the increase of population and aging trend, more and more people are disabled in hearing. Hearing aid is a special amplifier to help the hearing disabled. The quality of hearing aids is important to the disabled physical and mental health. According to the international standard IEC 60118-0, some general parameters of the hearing aid have been measured to evaluate the quality. Because of taking into account the acoustical influence of the wearer on the performance of hearing aids, this paper establishes a system which is based on the standard IEC 60118-8 to automatically measure the performance characteristics of hearing aids under simulated in situ working condition. There are some parameters that are considered important for the evaluation of the performance of hearing aids as normally worn, such as full-on insertion gain, insertion frequency response and directional characteristics. This paper describes the methods to measure these parameters and establishes a platform to inspect them. Meanwhile, the inspection data can be processed and recorded automatically. A hearing aid is selected to do the experiments. The experiment results show that the system can be competent for inspection the performance of hearing aids in situ working condition.
Starting Page	1607
Ending Page	1612
File Size	358491
Page Count	6
File Format	PDF
ISBN	9781479939787
e-ISBN	9781479939794
DOI	10.1109/ICMA.2014.6885940
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-03
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Auditory system Ear Gain Standards Hearing aids Azimuth Microphones Directivity Insertion gain
Content Type	Text
Resource Type	Article

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