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Spatial Filter Bank Design for Speech Enhancement Beamforming Applications

In English

Författare

  • Zohra Yermeche
  • Per Cornelius
  • Nedelko Grbic
  • Ingvar Claesson

Summary, in English

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.

Publiceringsår

2004-07

Språk

Engelska

Sidor

557-560

Publikation/Tidskrift/Serie

Sensor Array and Multichannel Signal Processing Workshop Proceedings, 2004

Dokumenttyp

Konferensbidrag

Ämne

  • Signal Processing

Conference name

2004 IEEE Sensor Array and Multichannel Signal Processing Workshop

Conference date

2004-07-18 - 2004-07-21

Conference place

Barcelona, Spain

Status

Published

ISBN/ISSN/Övrigt

  • ISBN: 0-7803-8545-4