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A Delay-Based Constrained Beamformer for Blind Speech Enhancement and Dereverberation
2007 (English)Conference paper (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
Zadar, Croatia: IEEE , 2007.
Keyword [en]
Speech enhancement, dereverberation, beamforming, time-delay estimation
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-9137ISI: 000256667800034Local ID: oai:bth.se:forskinfo78B26058DA5826F6C125731F00339E52OAI: oai:DiVA.org:bth-9137DiVA: diva2:836915
Conference
ELMAR
Available from: 2012-09-18 Created: 2007-07-21 Last updated: 2015-06-30Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
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