Graeme Clark Collection

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End date: 1999 × Type: Journal Item × Subject: cochlear implant × Subject: otolaryngolgy × Subject: otology ×

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    Current advances in speech processing for the mini-system 22 implant [Abstract]
    McKay, Colette M. ; McDermott, H. J. ( 1992)
    The Spectral Maxima Sound Processor (SMSP) has been developed at the University of Melbourne for use with the mini-system 22 cochlear implant manufactured by Cochlear Pty Ltd. Studies with adult subjects have shown that perception of vowels, consonants, words. and sentences in quiet and in background noise is enhanced with the SMSP when compared with the MSP(MULJIPEAK) currently supplied for use with this implant. Studies comparing the ability of subjects to identify speakers and to identify intonation patterns have shown no reduction due to the SMSP's use of a constant rate of electrical stimulation. Qualitative remarks of subjects are consistent with improved perception in background noise and of degraded speech such as with TV and telephone use. They also report that environmental noises and music sound more natural. Further development of the SMSP strategy and formulation of new strategies are being facilitated by a new programmable processor utilising digital signal processing.