Design of a Signal Processing Module with Various Filters Characteristics for Fully Implantable Middle Ear Hearing Devices

Young-Ho YOON, Hyung-Gyu LIM, Jyung-Hyun LEE, Hee-Joon PARK, Il-Yong PARK, Min-Kyu KIM, Chul-Ho WON, Byung-Seop SONG, Jin-Ho CHO

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Summary :

In this paper, the voice signal processing module has been designed using the micro processor for the use of fully implantable middle ear devices (F-IMEHD). The voice signal processing module for F-IMEHD should be designed to compensate for the hearing loss of hearing impaired person and have the flexibility for compensating various hearing threshold level. So, the voice signal processing module has been designed and implemented to present the various frequency characteristics using the low-power micro processor, MSP430F169. The different voice signal path to the inner ear entrance was considered so that two voice signal would be combined in-phase using an all pass filter with a constant time-delay to improve the vibration of the ossicles.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E89-A No.6 pp.1695-1698
Publication Date
2006/06/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e89-a.6.1695
Type of Manuscript
Special Section LETTER (Special Section on Papers Selected from 2005 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC2005))
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