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基于正交理论的声学回声消除及仿真 被引量:2

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摘要 本文介绍了一种用于消除声学回声的自适应滤波器,利用NLMS(即归一化的最小均方误差)实现算法的收敛;同时在正交理论的基础上,通过互相关计算提出了一种新的双端检测方法;最后利用Matlab对算法进行了仿真,并给出了关键部分的仿真结果。
出处 《移动通信》 2004年第z1期5-8,共4页 Mobile Communications
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参考文献7

  • 1[1]ITU-T Rec G168.Digital Network Echo Cancellers[S].1997,4
  • 2[2]Tomas Gansler,Steven L Gay.Double-Talk Robust Fast Converging Algorithms for Network Echo Cancellation.IEEE Transations on Speech and Audio Echo Processinhg,2000
  • 3[3]Etter M D.Multiple Short-length Adaptive Fiters for Timevarying Cancellation.Proc of ICASSP,1993
  • 4[4]Texas Instruments,Digital Voice Echo Canceller with the TMS32020(SPRA188).1986:415-454
  • 5[5]Texas Instruments. Implementing a Line-Echo Canceller Using the Block Update and NLMS Algorithms on the TMS320C54X DSP.1997
  • 6[6]Donald L,Duttweiler.Propotionate Normalized Least-MeanSquares Adaptation in Echo Cancellers.IEEE Transations on Speech and Audio Echo Processing,Sep 2000;8(5)
  • 7覃景繁,韦岗,欧阳景正.回波消除理论进展及其应用[J].电路与系统学报,1998,3(3):73-80. 被引量:5

二级参考文献37

  • 1杨大力,刘泽民.一种基于神经网络的自适应回波消除器[J].通信学报,1993,14(6):16-21. 被引量:7
  • 2叶华,吴伯修.变步长自适应滤波算法的研究[J].电子学报,1990,18(4):63-70. 被引量:73
  • 3杨大成,王德隽.实现话音频带数据回波抵消的一种新方案[J].电子学报,1989,17(6):84-91. 被引量:1
  • 4Duttweiler and Y.S.Chen,A Single - Chip VI.SI Echo Canceler,BSTJ, 1980,59(2):149-160.
  • 5Wenbin Hsu, David A . Hodges, and David G. Messerschmitt, Acoustic echo cancellation for loudspeaker telephones, GLOBECOM' 87:1955-1959.
  • 6Hector Perez Meana, etl. A Time Varying Step Size Normalized LMS Echo Canceler Algorithm, ICASSP 94:II-249-252.
  • 7Sharlene Gee and Markus Rupp, A Comparison of Adaptive IIR Echo Canceller Hybrids, ICASSP 91, 1541-1544.
  • 8Francisco Lorenzo-Speranzini,Jose M . Paez-Borrallo, Convergence Analysis of L-Norm Echo Cancellers for PSK and QAM Data Transmission, ICASSP 91:1549-1552.
  • 9Kazuo Murano etl. Echo Cancellation and Applications, IEEE Communication Magazine, 1990:49-55.
  • 10Christopher R. Cole, Amine Haoui and Peter L. Winship, A High-Performance Digital Voice Echo Canceller on A Single TMS32020,ICASSP 86:8.12.1-4.

共引文献4

同被引文献11

  • 1宋彦,汪萌,戴礼荣.带双端发声检测的回声消除改进算法[J].清华大学学报(自然科学版),2008,48(S1):760-764. 被引量:3
  • 2S.Haykin. Adaptive Filter Theory (4th edition)[M].Prentice Hall Inc., Englewood Cliffs, N.J.,2002.
  • 3M.M.Sondhi. An adaptive echo canceler, Bell Syst.Tech.J.,vol. 46, 497-510,Mar.1967.
  • 4David Qi, Acoustic Echo Cancellation Algorithms and Implementation on the TMS320C8x, TI Application Report, SPRA063, May 1996.
  • 5D.L.Duttweiller, A twelve-channel digital echo canceller. IEEE Trans. Comm.,Vol.26, 647-653, May 1978.
  • 6H.Ye and B.-X.Wu. A new double-talk detection algorithm based on the orthogonality theorem.IEEE Trans. Commun, vol. 39.1542-1545. Nov.1991.
  • 7Kaushik Ghose, V.Umapathi Reddy. A double-talk detector for acoustic echo cancellation applications [M].Signal Processing 80 (2000),1459-1467.
  • 8C.H.Knapp and G.C.Carter, The generalized correlation method for estimation of time delay. IEEE Trans.Acoust., Speech, Signal Processing, vol.24,320-327, Aug.1976.
  • 9傅政军,饶若楠.长时延环境中的回声消除器设计[J].微计算机信息,2007,23(03S):298-300. 被引量:6
  • 10S.L. Gay,and J. Benesty.Acoustic signal processing for telecommunication,"[].Journal of Women s Health.2000

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