Fast algorithms for practical vector quantization in speech coders

John S. Collura; Mary A. Kohler

doi:10.1117/12.241989

7 June 1996 Fast algorithms for practical vector quantization in speech coders

John S. Collura, Mary A. Kohler

Proceedings Volume 2750, Digital Signal Processing Technology; (1996) https://doi.org/10.1117/12.241989
Event: Aerospace/Defense Sensing and Controls, 1996, Orlando, FL, United States

Abstract

This paper will describe the vector quantization (VQ) of speech spectrum parameters as used in state of the art real time speech coding algorithms. The complexity of these speech coding algorithms, combined with the constraints of real time operation, limit the practical size of the vector quantization tables. This conflicts with the requirement that large VQ tables are needed to provide high quality coded speech. The goal of this paper is to demonstrate the feasibility of using tree searched vector quantizers to overcome this conflict.

Citation Download Citation

John S. Collura and Mary A. Kohler "Fast algorithms for practical vector quantization in speech coders", Proc. SPIE 2750, Digital Signal Processing Technology, (7 June 1996); https://doi.org/10.1117/12.241989

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