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Proceedings Paper

Digital Coding Of Speech Algorithms And Architectures
Author(s): A. Z. Baraniecki
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Paper Abstract

This paper describes several algorithms and architectures of digital speech coders. Bit rate compression algorithms based on speech prediction are analyzed for applications such as mobile radio communications, secure voice transmission, voice mail, and voice storage and response systems. The architectures for sample-by-sample or block-by-block processing of speech are discussed. The details of architectures are discussed in a conceptual framework that simplifies the comparison of several implementations of vocoders and the identification of common blocks. Examples of implementation of predictive speech coding algorithms on the TMS320 digital signal processor are presented in this paper. Various predictor structures including new, non-classical, reduced complexity adaptive predictor are presented. Current research trends with an emphasis on low-bit-rate, high-quality speech coding are described.

Paper Details

Date Published: 1 January 1987
PDF: 8 pages
Proc. SPIE 0858, Signal Acquisition and Processing, (1 January 1987); doi: 10.1117/12.968267
Show Author Affiliations
A. Z. Baraniecki, George Mason University (United States)

Published in SPIE Proceedings Vol. 0858:
Signal Acquisition and Processing
Russell J. Niederjohn, Editor(s)

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