Implementation aspects of a novel speech packet loss concealment method

被引：2
|
作者：
Svensson, H [1 ]
Öwall, V [1 ]
Kuchcinski, K [1 ]
机构：
[1] Lund Univ, Dept Electrosci, SE-22100 Lund, Sweden
来源：
2005 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), VOLS 1-6, CONFERENCE PROCEEDINGS | 2005年
关键词：
D O I：
10.1109/ISCAS.2005.1465225
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：
A speech data packet loss concealment algorithm based on pitch period repetition is presented in this paper and a novel low complexity method to refine a pitch period estimate is introduced. Objective performance measurements show that this pitch refinement improves the quality of packet loss concealment. Hardware-software co-design techniques have been investigated to implement the algorithm. Using a co-processor approach a processing delay of 0.9 ms and a overall speedup of 3.3 was achieved.
引用
收藏
页码：2867 / 2870
页数：4
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