Signal processing in high-end hearing aids: State of the art, challenges, and future trends

被引：127

作者：

Hamacher, V ^{[1
]}

Chalupper, J ^{[1
]}

Eggers, J ^{[1
]}

Fischer, E ^{[1
]}

Kornagel, U ^{[1
]}

Puder, H ^{[1
]}

Rass, U ^{[1
]}

机构：

[1] Siemens Audiol Engn Grp, D-91058 Erlangen, Germany

来源：

EURASIP JOURNAL ON APPLIED SIGNAL PROCESSING | 2005年 / 2005卷 / 18期

关键词：

digital hearing aid; directional microphone; noise reduction; acoustic feedback; classification; compression;

D O I：

10.1155/ASP.2005.2915

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The development of hearing aids incorporates two aspects, namely, the audiological and the technical point of view. The former focuses on items like the recruitment phenomenon, the speech intelligibility of hearing-impaired persons, or just on the question of hearing comfort. Concerning these subjects, different algorithms intending to improve the hearing ability are presented in this paper. These are automatic gain controls, directional microphones, and noise reduction algorithms. Besides the audiological point of view, there are several purely technical problems which have to be solved. An important one is the acoustic feedback. Another instance is the proper automatic control of all hearing aid components by means of a classification unit. In addition to an overview of state-of-the-art algorithms, this paper focuses Oil future trends.

引用

页码：2915 / 2929

页数：15

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