A Fast Encoding Algorism for CELP Voice

Cao Wei

doi:10.13756/j.gtxyj.1992.03.003

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A Fast Encoding Algorism for CELP Voice

- A Fast Encoding Algorism for CELP Voice
- Study on Optical communication Issue 3, Pages: 23-34(1992)
- 作者机构：
  
  武汉邮电科学研究院 89级数字通信专业硕士研究生
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.1992.03.003
  CLC：
- Published：1992，
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[1]高蔚.一种快速CELP语言编码方案[J].光通信研究,1992(03):23-34.

Cao Wei. A Fast Encoding Algorism for CELP Voice. [J]. (3):23-34(1992)
[1]高蔚.一种快速CELP语言编码方案[J].光通信研究,1992(03):23-34. DOI： 10.13756/j.gtxyj.1992.03.003.

Cao Wei. A Fast Encoding Algorism for CELP Voice. [J]. (3):23-34(1992) DOI： 10.13756/j.gtxyj.1992.03.003.

摘要

本文在介绍一般CELP原理的基础上

提出用自相关方法搜索一种扩展重叠码本

显著降低了复杂度和存贮量。模拟实验表明

语言质量与用全搜索方法搜索高斯随机码本相当。

Abstract

Based on the general principle of CELP

this paper proposes an algorism for searching an extended overlapping codebook using autocorrelation method

the new algorism reduces significantly the complexity and volume of storage. The simulation test shows that the speech quality obtained can be compared with that of searching a Gaussian stochastic codebook using full searchig method.

关键词

数字通信语言编码码本搜索

Keywords

digital communicationcodebooksearchvoice encoding

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Wuhan Research Institute of Posts and Telecommunications

华中理工大学

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