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回声抵消应用中双端发声检测算法的性能比较 被引量：3

Performance Comparison of Double-talk Detection Algorithm in Echo-cancellation
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摘要 双端发声检测是回声抵消应用中的一项关键技术,如果检测错误,会影响自适应滤波算法的收敛速度,严重时甚至会引起发散,因而,如何构造精确的双端检测算法已成为整个技术发展的瓶颈。目前,常用的几种检测方法各自存在优缺点。通过搭建仿真链路,模拟双端放声状况,对这些常用算法的性能进行了分析比较。由分析可得出,虽然双滤波器法的性能最优,但是存在计算量偏大的问题;提出了一种新的算法—系数缓存法,它仍然具——有回复收敛的特质,但计算量降低近一半。 The double-talk detection is a key part in the echo-cancellation. If the detection fails, adaptive-filter＇s performance will be reduced largely. So, how to construct a DTD algorithm has become the battle-neck. Now, there are various problems in several DTD algorithms. Through building simulation linkage to simulate DTD case, the performances of these algorithms are analyzed and compared. Based on these comparisons, the double-filter has the best performance, but its calculation is too large. A new algorithm coefficient-memory which can return convergence is proposed. The calculation of this new algorithm is reduced nearly to 50%.
作者 何海 郑建宏
机构地区 重庆邮电大学
出处 《电声技术》 2008年第6期68-71,76,共5页 Audio Engineering
基金 国家"863"计划引导项目(2004AA001390) 国家高技术研发发展计划(863)课题(2004AA123150)
关键词 回声抵消 归一化最小均方差算法 双端发声检测 能量比较法 相关比较法 双滤波器法 系数缓 存法 echo-cancellation normalized least mean square double-talk detection power-compare correlationcompare double-filter coefficient-memory
分类号 TN929.5 [电子电信—通信与信息系统]
  • 相关文献

参考文献7

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二级参考文献12

  • 1Cho Jun H,Dennis R M,Benesty J.An objective technique for evaluating doubletalk detectors in acoustic echo canceler[J].IEEE Trans on Speech and Audio Processing,1990,4(6):718-724.
  • 2Benesty J,Dennis R M,Jun H C.A new class of doubletalk detectors based on cross-correlation[J].IEEE Trans on Speech and Audio Processing,2000,8(2):168-172.
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  • 7Cho Jun H,Dennis R M,Benesty J.An objective technique for evaluating doubletalk detectors in acoustic echo canceler[J].IEEE Trans on Speech and Audio Processing,1990,4(6):718-724.
  • 8Benesty J,Dennis R M,Jun H C.A new class of doubletalk detectors based on cross-correlation[J].IEEE Trans on Speech and Audio Processing,2000,8(2):168-172.
  • 9Ye Hua,Wu Boxiu.A new double-talk detection algorithm based on the orthogonality theorem[J].IEEE Trans on Communication,1991,89(11):1542-1545.
  • 10Park Seon-Joon,Cho Chom-Gun,Lee Chungyong.Integrated echo and noise canceler for hands-free applications[J].IEEE Trans on Circuits and Systems-II:Analog and Digital Signal Processing,2002,49(3):188-195.

共引文献12

同被引文献21

  • 1刘建,郑方,吴文虎.基于幅度差平方和函数的基音周期提取算法[J].清华大学学报（自然科学版）,2006,46(1):74-77. 被引量：22
  • 2汪萌,戴礼荣,宋彦,王仁华.一种使用双滤波器的回声消除算法[J].数据采集与处理,2006,21(1):74-79. 被引量：13
  • 3Cho J H, Dennis R M, Benesty J.An objective technique for evaluating doubletalk detectors in acoustic echo canceller[J].IEEE Trans on Speech and Audio Processing, 1990,4(6) : 718-724.
  • 4Benesty J, Dermis R M, Jun H C.A new class of doubletalk detectors based on cross-correlation[J].IEEE Trans on Speech and Audio Processing,2000,8(2) : 168-172.
  • 5Ye Hua, Wu Bo-xiu.A new double-talk detection algorithm based on the orthogonality theorem[J].IEEE Trans on Communication, 1991,89 ( 11 ) : 1542-1545.
  • 6Iqbal M A, Stokes J W, Grant S L.Normalized double-talk detection based on microphone and AEC error crosscorrelation[C]//Proceedings of ICME, Beijing, China, 2007 : 360-363.
  • 7Stark B, Barkana B D.Acoustic echo cancellation: dual architecture implementation[J].Joumal of Computer Science,2010,6(2) : 101-106.
  • 8Fujii K, Saitoh N, Oka R, et al.Acoustic echo cancellation algorithm tolerable for double talk[C]//Proceedings of HSCMA, Arrays Trento, Italy, 2008 : 200-203.
  • 9Ohta S, Kajikawa Y, Nomura Y.Acousfic echo cancellation using sub-adaptive filter[C]//Proceedings of ICASSP,Hawaii, USA, 2007 : 85-88.
  • 10李挥,林茫茫,胡海军,田欢.VoIP回声消除器设计及算法研究[J].电子学报,2007,35(9):1774-1778. 被引量：12

引证文献3

二级引证文献1

电声技术
2008年 第6期

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