Speech coding based on vector quantization for a tactile vocoder hearing device

  • S. Pourmehdi
  • , J. Mouine
  • , M. Sawan
  • , J. Lajoie
  • , F. Duval

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

A portable digital speech processing system for deaf patients is described. This real-time processing system provides appropriate information to a ten-channel tactile prosthesis depending on the speech signal characteristics to be perceived. The system is based on three chips: a Codec TCM29C13, a DSP (digital signal processor) TMS320E17, and a full custom integrated BiCMOS circuit. Speech coding is based on LPC (linear predictive coding) coefficient estimation and vector quantization. The architecture of this portable low-power unit allows a marked improvement in synthetic vowel discrimination.

Original languageEnglish
Title of host publicationBiomedical Engineering Perspectives
Subtitle of host publicationHealth Care Technologies for the 1990's and Beyond
PublisherPubl by IEEE
Pages1230-1231
Number of pages2
Editionpt 3
ISBN (Print)0879425598
StatePublished - 1990
Externally publishedYes
EventProceedings of the 12th Annual International Conference of the IEEE Engineering in Medicine and Biology Society - Philadelphia, PA, USA
Duration: 1 Nov 19904 Nov 1990

Publication series

NameProceedings of the Annual Conference on Engineering in Medicine and Biology
Numberpt 3
ISSN (Print)0589-1019

Conference

ConferenceProceedings of the 12th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
CityPhiladelphia, PA, USA
Period1/11/904/11/90

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