Directional realization of in the ear hearing aid using digital filters | Zendy

Soon-Suck Jarng | Zendy; You-Jung Kwon | Zendy

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Directional realization of in the ear hearing aid using digital filters

Author(s) -

Soon-Suck Jarng,

You-Jung Kwon

Publication year - 2017

Publication title -

the journal of the acoustical society of korea

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.162

H-Index - 2

eISSN - 2287-3775

pISSN - 1225-4428

DOI - 10.7776/ask.2017.36.2.123

Subject(s) - digital signal processing , firmware , digital delay line , computer hardware , computer science , realization (probability) , matlab , hearing aid , digital signal , digital signal processor , digital down converter , digital filter , audio signal processing , signal processing , electronic engineering , engineering , embedded system , filter (signal processing) , audio signal , electrical engineering , computer vision , statistics , mathematics , operating system

In this paper, the realization of a directional digital hearing aid was considered. Conventional time domain time delay method was replaced with digital filters in order to make any general-purposed DSP (Digital Signal Processing) chip to produce the similar directivity pattern. Both the time delay algorithm and the digital filter algorithm were initially evaluated by Matlab (Matrix laboratory) for comparison, and it was confirmed by CSR 8675 Bluetooth DSP IC (Digital Signal Processing Integrated Circuit) chip firmware realization. Some remote control features by a smart phone was added to the smart hearing aid for user interface easiness.

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