Vector quantization-block constrained trellis coded quantization of speech line spectral frequencies

被引：2

作者：

Park, Jungeun ^{[1
]}

Won, Yanghee ^{[1
]}

Kang, Sangwon ^{[1
]}

机构：

[1] Hanyang Univ, Sch Elect Engn & Comp Sci, Ansan, South Korea

来源：

2007 IEEE WORKSHOP ON SIGNAL PROCESSING SYSTEMS, VOLS 1 AND 2 | 2007年

关键词：

speech coding; quantization; trellis coded quantization; LSF parameters; BCTCQ;

D O I：

10.1109/SIPS.2007.4387520

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, a vector quantization - block constrained trellis coded quantization (VQ-BCTCQ) is presented to quantize line spectrum frequency (LSF) parameters of the wideband speech codec. Both the predictive structure and safety-net concept are combined into VQ-BCTCQ to develop the predictive VQ-BCTCQ. The performance of this quantization is compared with that of the linear predictive coding (LPC) vector quantizer used in the AMR-WB codec, and reductions in spectral distortion (SD) and encoding complexity are demonstrated.

引用

页码：73 / 75

页数：3

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