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Robust low-complexity transfer logic for two-path echo cancellation
Blekinge Institute of Technology, School of Engineering, Department of Electrical Engineering.
Responsible organisation
2012 (English)Conference paper (Refereed)
Abstract [en]

A well used approach for echo cancellation is the two-path method, where two adaptive filters in parallel are utilized. Typically, one filter is continuously updated, and when this filter is considered better adjusted to the echo-path than the other filter, the coefficients of the better adjusted filter is transferred to the other filter. When this transfer should occur is controlled by the transfer logic. This paper proposes transfer logic that is both more robust and more simple to tune, owing to fewer parameters, than the conventional approach. Extensive simulations show the advantages of the proposed method.

Place, publisher, year, edition, pages
Kyoto: IEEE , 2012.
Keyword [en]
Echo cancellation, adaptive filters, two-path, transfer logic
National Category
Signal Processing
URN: urn:nbn:se:bth-7299Local ID: 978-1-4673-0046-9OAI: diva2:834894
IEEE International Conference on Acoustics, Speech, and Signal Processing
Available from: 2012-09-18 Created: 2012-05-07 Last updated: 2016-09-06Bibliographically approved

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Claesson, Ingvar
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Department of Electrical Engineering
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ReferencesLink to record
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