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A Delay-Based Constrained Beamformer for Blind Speech Enhancement and Dereverberation

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Author

  • Zohra Yermeche
  • Nedelko Grbic

Summary, in English

This paper presents a new microphone array method to enhance speech signals in a noisy reverberant environment. A time-delay estimation method is used for the speech source localization. The robustness of the localization method in high noise levels is provided by a subband Kurtosis-weighted structure. The estimated inter-sensor time-delays are directly used in an adaptive soft-constrained subband beamformer. Evaluation in a simulated environment with real speech sequences shows promising results.

Publishing year

2007-09

Language

English

Pages

159-162

Publication/Series

IEEE ELMAR, 2007

Document type

Conference paper

Topic

  • Signal Processing

Conference name

ELMAR-2007

Conference date

2007-09-12 - 2007-09-14

Conference place

Zadar, Croatia

Status

Published

ISBN/ISSN/Other

  • ISBN: 978-953-7044-05-3