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An Online Blind Source Separation for Convolutive Acoustic Signals in Frequency-Domain

  • Wu Wenyan
  • Zhang Liming
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4221)

Abstract

In this paper we propose a scheme for online convolutive blind acoustic source separation in frequency domain. A restriction term of DOA (Direction of Arrival) for sources is added to the cost function of mutual information. Minimizing the modified mutual information in each frequency bin, the source order can be adjusted on line. So the problem of permutation ambiguity can be settled on line, and it does not need the location information of receivers like classical DOA method. Simulation results show that the proposed algorithm has better performance than other existing methods.

Keywords

Mutual Information Independent Component Analysis Independent Component Analysis Blind Source Separation Microphone Array 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Wu Wenyan
    • 1
  • Zhang Liming
    • 1
  1. 1.Department of Electronics EngineeringFudan UniversityShanghai

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