Speech signal recovery in packet-switched communication networks

被引：0
|
作者：
Ginters, E [1 ]
Zagursky, V [1 ]
机构：
[1] Latvian State Univ, Inst Elect & Comp Sci, LV-1006 Riga, Latvia
来源：
MELECON 2000: INFORMATION TECHNOLOGY AND ELECTROTECHNOLOGY FOR THE MEDITERRANEAN COUNTRIES, VOLS 1-3, PROCEEDINGS | 2000年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The interpolation approaches to the shape recovery of a speech signal in transmission over packet switched communications networks are proposed, The samples of a signal fragments are mixed and transmitted in correspondence with standard procedure of packet-switched transmission. After reception a reverse permutation is made. In the case of packet losses missing samples are separated by several samples of the source signal. Correlation properties of the signal are used for the recovery samples due to the for stand second-order non-adaptive and adaptive interpolation, For the loss of 25% packets and second order adaptive interpolation are 2-4% error distribution range has been achieved.
引用
收藏
页码：519 / 521
页数：3
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