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An Adaptive Blind Beamformer with an Integrated Single-Channel Noise Reduction Method for Robust Realtime blind Speech Extraction
Responsible organisation
2008 (English)Conference paper, (Refereed) Published
Abstract [en]

The performance of single-channel temporal noise reduction methods generally deteriorate in high noise environments, whereas spatial beamformers can maintain some level of speech enhancement. This paper presents a solution where a low complexity single-channel noise reduction method is integrated into the feedback control loop of an adaptive blind beamformer with the purpose of robust blind speech extraction in high noise environments. The proposed combined system outperforms each of the individual methods with respect to signal-to-interference ratio improvement for a wide range of operating conditions, and where the loss in estimated perceptual speech quality due to the combined system is tolerably low. Furthermore, the excess processing load in a hardware solution is comparatively insignificant for the proposed extended approach.

Place, publisher, year, edition, pages
Las Vegas, USA: IEEE , 2008.
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-8610ISI: 000257456700078Local ID: oai:bth.se:forskinfo2D1B558579D269F9C1257438002E6F76OAI: oai:DiVA.org:bth-8610DiVA: diva2:836351
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ICASSP
Available from: 2012-09-18 Created: 2008-04-27 Last updated: 2015-06-30Bibliographically approved

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fulltext(126 kB)22 downloads
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Claesson, Ingvar
Signal Processing

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf