Conjugate gradient techniques for multichannel acoustic echo cancellation

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dc.contributor.author García Morales, Lino
dc.contributor.author Torres-Guijarro, Soledad
dc.contributor.author Beracoechea-Álava, Jon A.
dc.contributor.author Casajús Quirós, F. J.
dc.date.accessioned 2016-08-17T09:25:38Z
dc.date.available 2016-08-17T09:25:38Z
dc.date.issued 2006
dc.identifier.citation García, L., Torres-Guijarro, S., Beracoechea, J. A., & Casajús-Quirós, F. J. (2006). Conjugate gradient techniques for multichannel acoustic echo cancellation. In 8th International Conference on Digital Audio Effects (pp. 289-292). spa
dc.identifier.isbn 9788474023183
dc.identifier.uri http://hdl.handle.net/11268/5624
dc.description.abstract Conjugate Gradient (CG) techniques arc suitable for resolution of time-variant system identification problems: adaptive equalization, echo cancellation, active noise cancellation, linear prediction, etc. These systems can be seen as optimization problems and CG techniques can be used to solve them. It has been demonstrated that, in the single-channel case, the conjugate gradient techniques provide a similar solution in terms of convergence rate than those provided by the recursive least square (RI.S) method, involving higher complexity than the least mean square (LMS) but lower than RLS without stability issues. The advantages of these techniques are especially valuable in the case of high complexity and magnitude problems like multi-channel systems. This work develops CG algorithm for the adaptive MIMO (multiple-input and multiple-output) systems and tests it by solving a multichannel acoustic echo cancellation (MARC) problem. spa
dc.description.sponsorship SIN FINANCIACIÓN spa
dc.language.iso eng spa
dc.title Conjugate gradient techniques for multichannel acoustic echo cancellation spa
dc.type conferenceObject spa
dc.description.impact No data (2006) spa
dc.rights.accessRights closedAccess en
dc.subject.uem Acústica spa
dc.subject.unesco Acústica spa
dc.description.filiation UEM spa
dc.peerreviewed Si spa

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