Efficient Three-stage Pitch Estimation for Packet Loss Concealment

被引：0

作者：

Sun, Xuejing ^{[1
]}

Gadre, Sameer ^{[1
]}

机构：

[1] Cambridge Silicon Radio, Auburn Hills, MI 48326 USA

来源：

11TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2010 (INTERSPEECH 2010), VOLS 1-2 | 2010年

关键词：

packet loss concealment; pitch; low complexity; Bluetooth;

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

This paper presents a low-complexity pitch estimation algorithm for packet loss concealment. The algorithm divides the pitch estimation into three stages with each additional stage providing further accuracy. Compared with a system based on G.711 Appendix I, the proposed algorithm requires approximately 32 percent fewer cycles on a DSP processor integrated in a Bluetooth chip. Furthermore, objective evaluation of the voice quality using PESQ showed the algorithm yields substantially higher scores.

引用

下载

页码：633 / 636

页数：4

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