Telephones System Based Microphone Arrays

JU Tailiang; Lin Jingran; Peng Qicong

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Telephones System Based Microphone Arrays

JU Tailiang * #,Lin Jingran,Peng Qicong

School of Communication and Information Engineer,UESTC,ChengDu,611731

*Correspondence author

#Submitted by

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Funding: 高等学校博士学科点专项科研基金资助课题（No.20070614048）

Opened online:18 February 2011

Accepted by: none

Citation: JU Tailiang,Lin Jingran,Peng Qicong.Telephones System Based Microphone Arrays[OL]. [18 February 2011] http://en.paper.edu.cn/en_releasepaper/content/4409601

Telephone system based microphone arrays has been a very active research field in recent years. The key technology includes beamformers，acoustic echo cancellers ,combining methods, and etc. In this paper, the key algorithms are discussed, and a cascaded system structure is presented. The structure is composed of a multi-channel AECs, delay and sum beamformer and single channel AECs. The simulation result shows that this structure has high performance and low computational complexity.

Keywords:Information and signal Processing; Microphone arrays; Telephone system; Time delay estimation; Acoustic echo cancellers

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