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Algorithm selection and software time/Space optimization for a DSP micro-based speech processor for a multi-electrode cochlear implant

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3 Author(s)
Morris, L. ; Carleton University, Ottawa, Ontario, Canada ; Barszczewski, P. ; Bosloy, J.

Selection of appropriate algorithms for pitch and formant extraction, in conjunction with use of innovative programming techniques, enables these speech-related features to be derived in real-time on a low-power TMS 320C10 based-system using about 60% of that chip's computing power. Moreover, since LPC-based techniques are used, an accurate low-bit-rate model of the vocal system is inherent in the raw parameters extracted. This programmable system thus provides a flexible foundation for exploring the utility of other fundamental speech features in addition to pitch and formants for excitation of a cochlear prosthesis.

Published in:

Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '87.  (Volume:12 )

Date of Conference:

Apr 1987