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AN EFFICIENT VARIABLE STEP-SIZE PROPORTIONATE AFFINE PROJECTION ALGORITHM

Full Paper at IEEE Xplore

Echo Cancellation

Přednášející: Constantin Paleologu, Autoři: Constantin Paleologu, University Politehnica of Bucharest, Romania; Jacob Benesty, University of Quebec, Canada; Felix Albu, Silviu Ciochina, University Politehnica of Bucharest, Romania

Proportionate-type affine projection algorithms (PAPAs) are very attractive choices for echo cancellation. These algorithms combine the good features (convergence and tracking) of the affine projection algorithm (APA) and the proportionate idea, which exploits the sparseness character of the echo path in order to further increase their convergence rate. In this paper, we develop a variable step-size (VSS) version of a recently proposed PAPA. The new algorithm achieves a good compromise between fast convergence rate and low misadjustment, but also have a low computational complexity as compared to its classical counterparts.

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  Informace o přednášce

Nahráno: 2011-05-26 14:05 - 14:25, Club A
Přidáno: 15. 6. 2011 13:42
Počet zhlédnutí: 71
Rozlišení videa: 1024x576 px, 512x288 px
Délka videa: 0:19:40
Audio stopa: MP3 [6.72 MB], 0:19:40