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Blind Separation and Sound Localization by Using Frequency-domain ICA

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Abstract

The independent component analysis (ICA) in the frequency domain is a method to deal with a blind signal separation problem in which propagation time delays are included in the mixing process of signals. We propose an extended method of the frequency-domain ICA accompanying the estimation of the relative propagation time delays and the propagation coefficient ratios. The effectiveness of the proposed method has been confirmed by simulation experiments. In addition, the sound localization by the proposed method is further discussed.

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Authors and Affiliations

  1. Department of Environmental Design, Yamaguchi Prefectural University, 3-2-1 Sakurabatake, Yamaguchi, 753-8502, Japan

    Tadahiro Azetsu

  2. Department of Physics, Biology and Informatics, Yamaguchi University, 1677-1 Yoshida, Yamaguchi, 753-8512, Japan

    Eiji Uchino & Noriaki Suetake

Authors
  1. Tadahiro Azetsu
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  2. Eiji Uchino
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  3. Noriaki Suetake
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Corresponding author

Correspondence to Eiji Uchino.

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Azetsu, T., Uchino, E. & Suetake, N. Blind Separation and Sound Localization by Using Frequency-domain ICA. Soft Comput 11, 185–192 (2007). https://doi.org/10.1007/s00500-006-0076-4

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  • DOI: https://doi.org/10.1007/s00500-006-0076-4

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