Blind separation of convolutive mixtures and an application inautomatic speech recognition in a noisy environment

  • Authors:

  • F. Ehlers;H.G. Schuster

  • Affiliations:

  • Inst. fur Theor. Phys., Kiel Univ.;-

  • Venue:
  • IEEE Transactions on Signal Processing
  • Year:
  • 1997

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Abstract

We propose a two-step algorithm for the blind separation of convolutive mixtures. We discuss its application to automatic speech recognition in a noisy environment where the acoustic signals have been recorded by a microphone in a room whose furniture and walls produce echoes. The method yields good results