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A new method of pole-tracking with application to vowel and semivowel recognition

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3 Author(s)
Turnbull, J.M. ; Dept. of Electron. & Electr. Eng., Dundee Inst. of Technol., UK ; Sapeluk, A.T. ; Damper, R.I.

A novel method of tracking the poles of the linear prediction (LP) model of speech is described. This uses a new, real (rs) plane in which z-plane pole-pairs are represented by a single point. The method reduces the frame-to-frame correlation permutations which need to be considered and avoids the problems which occur when Z-plane complex-conjugate pairs turn real. Divergence problems associated with iterative methods of root extraction are considered, as is the reduction of frame size by filtering of the LP coefficients

Published in:

Acoustics, Speech, and Signal Processing, 1989. ICASSP-89., 1989 International Conference on

Date of Conference:

23-26 May 1989