Advances in cochlear implant speech processing
AuthorClark, Graeme M.
Source TitleCochlear Implants: XVI World Congress of Otohinolaryngology Head and Neck Surgery
University of Melbourne Author/sClark, Graeme
Document TypeConference Paper
CitationsClark, G. M. (1997). Advances in cochlear implant speech processing. In Cochlear Implants: XVI World Congress of Otohinolaryngology Head and Neck Surgery, Sydney, N.S.W.
Access StatusOpen Access
This is a publisher’s version of a paper from XVI World Congress of Otohinolaryngology Head and Neck Surgery 1997, published by Monduzzi Editore. This version is reproduced with the permission of the publisher.
A cochlear implant is a device which restores some hearing in severely-to-profoundly deaf people when the organ of Corti has not developed or is destroyed by disease or injury to such an extent no comparable hearing can be obtained with a hearing aid. When the organ of Corti is severely malfunctioning or absent, sound vibrations cannot be transduced into temporo-spatial patterns of action potentials along the auditory nerve for the coding of frequency and intensity. As a result, a hearing aid which amplifies sound is of little or no use. Our early research (Clark, 1969) emphasized that with electrical stimulation there was an electro-neural "bottle-neck" restricting the amount of speech and other acoustic information that could be presented to the nervous system. It also showed the need to use multiple-channel stimulation presented non-simultaneously, to minimize channel interaction (Clark, 1987).
Keywordsotolaryngology; cochlear implant; spectral peak; speech processing; spectral maxima
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- Graeme Clark Collection