A novel perspective on stereophonic acoustic echo cancellation

Author

Stanciu, Cristian ; Benesty, Jacob ; Paleologu, Constantin ; Gaensler, Tomas ; Ciochin, Silviu

Author_Institution

Univ. Politeh. of Bucharest, Bucharest, Romania

fYear

2012

fDate

25-30 March 2012

Firstpage

25

Lastpage

28

Abstract

The stereophonic acoustic echo is due to the coupling between two loudspeakers and two microphones. In the classical approach, this configuration is modelled by a two-input/two-output system with real random variables. In this paper, we propose to redesign this scheme as a single-input/single-output system with complex random variables. In this framework, we illustrate the behavior of some basic adaptive algorithms and present a distortion method which is more suitable for this model.

Keywords

acoustic signal processing; adaptive signal processing; echo suppression; loudspeakers; microphones; adaptive algorithms; distortion method; loudspeaker; microphone; stereophonic acoustic echo cancellation; Acoustic distortion; Adaptation models; Context; Echo cancellers; Loudspeakers; Microphones; Stereophonic acoustic echo cancellation (SAEC); adaptive filters; nonlinear distortion; widely linear (WL) model;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech and Signal Processing (ICASSP), 2012 IEEE International Conference on

Conference_Location

Kyoto

ISSN

1520-6149

Print_ISBN

978-1-4673-0045-2

Electronic_ISBN

1520-6149

Type

conf

DOI

10.1109/ICASSP.2012.6287808

Filename

6287808