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Acoustic Echo Cancelling with Michrophone Arrays
Responsible organisation
1995 (English)Report (Other academic)
Abstract [en]

This report describes a novel method to perform acoustic echo cancelling with microphone arrays. The method employs a digital self-calibrating microphone system. The on-site calibration process is a simple indirect calibration which adapts in each special case to the environment and electronic equipment. The method also continuously takes into account environmental disturbances such as car engine noise and fan noise. The method is primarily aimed at handsfree mobile telephones, by suppressing the handsfree loudspeaker and car noise simultaneously. The report also contains an extensive evaluation in a car.

Place, publisher, year, edition, pages
1995.
Series
Blekinge Tekniska Högskola Forskningsrapport, ISSN 1103-1581 ; 3
Keyword [en]
Microphone array, adaptive filtering
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-00029Local ID: oai:bth.se:forskinfo6AACC2A9BC4B8A84C12568A3002CA9B8OAI: oai:DiVA.org:bth-00029DiVA: diva2:837923
Available from: 2012-09-18 Created: 2000-03-15 Last updated: 2015-06-30Bibliographically approved

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fulltext(3826 kB)632 downloads
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Dahl, MattiasClaesson, Ingvar
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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
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  • Other style
More styles
Language
  • de-DE
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  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
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Output format
  • html
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