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Author:

余力 (余力.)

Indexed by:

CSCD

Abstract:

在声学回音消除中,近端语音的出现会导致模拟回音路径的自适应滤波器发散,一个成熟的声学回音消除器应该包含有双端通话检测算法.针对这个问题,提出了一种计算复杂度低的、基于麦克风信号与误差信号的互相关双端通话检测算法.同时,该算法与滤波器系数缓存机制相结合以进一步提高系统的鲁棒性.实验结果表明,该算法具有良好的检测性能,可以对双端通话的出现和消失做出快速响应,同时能显著提高系统在双端通话环境下的回音消除效果.

Keyword:

系数缓存 互相关 声学回音消除 双端通话检测

Author Community:

  • [ 1 ] [余力]北京工业大学

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Source :

计算机工程与应用

ISSN: 1002-8331

Year: 2011

Issue: 16

Volume: 47

Page: 147-150

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 4

Chinese Cited Count:

30 Days PV: 8

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