State of the art and trends in speech coding

R.J. Sluijter, F. Wuppermann, R. Taori, E. Kathmann
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引用次数: 6

Abstract

An introductory review of some basic speech coding techniques covers the most important properties of speech production and hearing, the ubiquitous techniques of quantization and linear prediction, and a recital of the most important measures of coding performance. In the survey that follows, several standardized speech coding systems reflecting the state of the art in speech coding are discussed in terms of coding method, bit rate, performance, complexity and typical application areas. Major future trends are indicated on the basis of expected future standards. The paper, which primarily deals with narrowband speech coding systems, is concluded by a review of the state of affairs and an outline of the future trends in the area of wideband speech coding.

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语音编码技术的现状和发展趋势
一些基本的语音编码技术的介绍性回顾涵盖了语音产生和听力的最重要的特性,无处不在的量化和线性预测技术,并回顾了编码性能的最重要的措施。在接下来的调查中,从编码方法、比特率、性能、复杂性和典型应用领域等方面讨论了几种反映语音编码技术现状的标准化语音编码系统。主要的未来趋势是根据预期的未来标准指出的。本文主要讨论窄带语音编码系统,最后回顾了窄带语音编码的现状,并概述了宽带语音编码领域的未来发展趋势。
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