Improved channel coding and estimation for Adaptive Multi Rate (AMR) speech transmission

被引：0
|
作者：
Hindeland, T [1 ]
Kaindl, M [1 ]
Hagenauer, J [1 ]
Schmautz, M [1 ]
Xu, W [1 ]
机构：
[1] Munich Univ Technol, Inst Commun Engn, D-80290 Munich, Germany
来源：
2000 IEEE 51ST VEHICULAR TECHNOLOGY CONFERENCE, PROCEEDINGS, VOLS 1-3 | 2000年
关键词：
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A variable channel coding scheme for Adaptive Multi Rate (AMR) speech transmission over mobile radio channels is proposed. Although it was developed for the GSM, the basic concept of variable channel coding can be adopted to other digital radio systems like UMTS. The AMR concept allows almost wire-line speech quality even for poor channel conditions by dynamically splitting the gross bit rate between source (speech) and channel coding according to the channel quality.
引用
收藏
页码：1210 / 1214
页数：5
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