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Nonlinear acoustic echo cancellation using Volterra filtering with a variable step-size GS-PAP algorithm
- Authors
- Seo, Jae-Beom; Kim, Kyoung-Jae; Nam, Sang Won
- Issue Date
- Sep-2009
- Keywords
- Acoustic echo cancellation (AEC); GS-PAP; Variable step-size; Volterra filtering
- Citation
- World Academy of Science, Engineering and Technology, v.3, no.9, pp.1659 - 1662
- Indexed
- SCOPUS
- Journal Title
- World Academy of Science, Engineering and Technology
- Volume
- 3
- Number
- 9
- Start Page
- 1659
- End Page
- 1662
- ISSN
- 2010-376X
- Abstract
- In this paper, a nonlinear acoustic echo cancellation (AEC) system is proposed, whereby 3rd order Volterra filtering is utilized along with a variable step-size Gauss-Seidel pseudo affine projection (VSSGS-PAP) algorithm. In particular, the proposed nonlinear AEC system is developed by considering a double-talk situation with near-end signal variation. Simulation results demonstrate that the proposed approach yields better nonlinear AEC performance than conventional approaches.
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