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A Distortion Reducing Subband Limiter Implementation for Conference Phones
Responsible organisation
2008 (English)Conference paper, (Refereed) Published
Abstract [en]

Distortion, most often caused by the loudspeaker, is a practical problem in acoustic echo cancellation-based conference phones. Typically, this distortion varies significantly with the frequency. This paper presents an implementation of a distortion reducing subband limiter to be used in conjunction with an acoustic echo canceller in a commercial conference phone, yielding improved cancellation performance. Verification of the performance was performed through evaluation of a fix-point real-time implementation.

Place, publisher, year, edition, pages
Las Vegas: IEEE , 2008.
Keyword [en]
acoustic echo cancellation, distortion, non-linear, loudspeaker
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-8459ISI: 000258983200007Local ID: oai:bth.se:forskinfo756855AB0155035EC12574A60050E9EDOAI: oai:DiVA.org:bth-8459DiVA: diva2:836183
Conference
IEEE International Conference on Consumer Electronics
Available from: 2012-09-18 Created: 2008-08-15 Last updated: 2015-06-30Bibliographically approved

Open Access in DiVA

fulltext(203 kB)30 downloads
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File name FULLTEXT01.pdfFile size 203 kBChecksum SHA-512
9051d92e9a15bbb4020f51323e077d58337a3dff9ee79ab60bf50d5484cf3d97ce8c4eef34c7df4c38ac3589105833fcee2ae5f6abb12ead50cb5cc759398938
Type fulltextMimetype application/pdf

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Claesson, Ingvar
Signal Processing

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CiteExportLink to record
Permanent link

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