Graeme Clark Collection

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Type: Conference Paper × Subject: otolaryngology × Subject: multiple-channel cochlear implant × Author: Dowell, Richard × Author: Seligman, Peter × Author: Blamey, Peter ×

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    A formant-estimating speech processor for cochlear implant patients
    Blamey, P. J. ; Dowell, R. C. ; Brown, A. M. ; Seligman, P. M. ; Clark, Graeme M. (Speech Science and Technology Conference, 1986)
    A simple formant-estimating speech processor has been developed to make use of the "hearing" produced by electrical stimulation of the auditory nerve with a multiple-channel cochlear implant. Thirteen implant patients were trained and evaluated with a processor that presented the second formant frequency, fundamental frequency, and amplitude envelope of the speech. Nine patients were trained and evaluated with a processor that presented the first formant frequency and amplitude as well. The second group performed significantly better in discrimination tasks and word and sentence recognition through hearing alone. The second group also showed a significantly greater improvement when hearing and lipreading was compared with lipreading alone in a speech tracking task.