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

Research output: Contribution to journalArticlepeer-review

Abstract

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.

Original languageEnglish
Pages (from-to)1695-1698
Number of pages4
JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
VolumeE89-A
Issue number6
DOIs
StatePublished - Jun 2006

Keywords

  • FIR filter
  • Fully implantable middle ear hearing device
  • Remez algorithm
  • Time-delay

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