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A parallel implementation of canonical coordinate speech compression

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3 Author(s)
La Follette, P. ; ARCON Corporation, Waltham, Massachusetts ; Sims, J. ; Tardelli, J.D.

The Canonical Coordinate method of signal compression offers the possibility of incorporating psychoacoustically derived non-euclidean error metrics into speech compression, but requires highly parallel matrix computations. We describe an actual implementation of Canonical Coordinate processing on a systolic array of 64 computational nodes connected as a ring. We discuss microcoding support software developed for the array, and systolic algorithms for discrete Fourier transform, matrix-by-vector multiplication, and sorting. This implementation has been used to develop design parameters for a self-contained real-time systolic architecture.

Published in:

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

Date of Conference:

Apr 1987

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