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Spatial Filter Bank Design for Speech Enhancement Beamforming Applications
Ansvarlig organisasjon
2004 (engelsk)Konferansepaper, Publicerat paper (Fagfellevurdert) Published
Abstract [en]

In this paper, a new spatial filter bank design method for speech enhancement beamforming applications is presented. The aim of this design is to construct a set of different filter banks that would include the constraint of signal passage at one position (and closing in other positions corresponding to known disturbing sources). By performing the directional opening towards the desired location in the fixed filter bank structure, the beamformer is left with the task of tracking and suppressing the continuously emerging noise sources. This algorithm has been implemented in MATLAB and tested on real speech recordings conducted in a car hands-free communication situation. Results show that a reduction of the total complexity can be achieved while maintaining the noise suppression performance and reducing the speech distortion.

sted, utgiver, år, opplag, sider
Barcelona: IEEE , 2004.
Emneord [en]
Beamforming, Speech enhancement, filter bank
HSV kategori
Identifikatorer
URN: urn:nbn:se:bth-10227ISI: 000230899800110Lokal ID: oai:bth.se:forskinfo1CC3836DC3CF8681C1256F00003D8AA5ISBN: 0-7803-8546-2 (tryckt)OAI: oai:DiVA.org:bth-10227DiVA, id: diva2:838302
Konferanse
Sensor Array and Multichannel Signal Processing Workshop (SAM 2004)
Tilgjengelig fra: 2012-09-18 Laget: 2004-08-30 Sist oppdatert: 2015-06-30bibliografisk kontrollert

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Claesson, Ingvar

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