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A Delay-Based Constrained Beamformer for Blind Speech Enhancement and Dereverberation
2007 (Engelska)Konferensbidrag, Publicerat paper (Refereegranskat) 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.

Ort, förlag, år, upplaga, sidor
Zadar, Croatia: IEEE , 2007.
Nyckelord [en]
Speech enhancement, dereverberation, beamforming, time-delay estimation
Nationell ämneskategori
Signalbehandling
Identifikatorer
URN: urn:nbn:se:bth-9137ISI: 000256667800034Lokalt ID: oai:bth.se:forskinfo78B26058DA5826F6C125731F00339E52OAI: oai:DiVA.org:bth-9137DiVA, id: diva2:836915
Konferens
ELMAR
Tillgänglig från: 2012-09-18 Skapad: 2007-07-21 Senast uppdaterad: 2015-06-30Bibliografiskt granskad

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