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Analysis of structured excitation codebooks used in CELP speech compression algorithms

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1 Author(s)
Gardner, William R. ; LSI Logic Wireless Design Center, Carlsbad, CA, USA

This paper presents an analysis of different suboptimal codebook excitation schemes used in code-excited linear prediction (CELP) speech compression algorithms. The problem of low rate, shape-gain vector quantization is formulated. Analyses of pulse codebooks, circularly recursive codebooks, algebraic codebooks, and vector sum codebooks are presented.

Published in:

Signals, Systems & Computers, 1997. Conference Record of the Thirty-First Asilomar Conference on  (Volume:2 )

Date of Conference:

2-5 Nov. 1997