An efficient robust stereophonic acoustic echo canceler based on parallel subgradient projection techniques

Isao Yamada, Masahiro Yukawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

A robust adaptive filtering algorithm was established recently (I.Yamada, K.Slavakis, K.Yamada 2001) based on the interactive use of statistical noise information and the ideas developed originally for efficient algorithmic solutions to the convex feasibility problems . The algorithm is computationally efficient and robust to noise because it requires only an iterative parallel projection onto a series of closed half spaces highly expected to contain the unknown system to be identified and is free from the computational load of solving a system of linear equations. In this paper, we show the potential applicability of the algorithm to the stereophonic acoustic echo cancellation (SAEC) problem that has commonly been recognized as one of the most challenging adaptive filtering problems due to the nonuniqueness problem. The numerical examples demonstrate that the proposed algorithm realizes stereophonic acoustic echo cancelers (SAECRs) showing dramatically fast and stable convergence for highly coloured excited speech like input signals in severely noisy environments.

Original languageEnglish
Title of host publicationICSP 2002 - 2002 6th International Conference on Signal Processing, Proceedings
EditorsBaozong Yuan, Xiaofang Tang
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages293-296
Number of pages4
ISBN (Electronic)0780374886
DOIs
Publication statusPublished - 2002 Jan 1
Externally publishedYes
Event6th International Conference on Signal Processing, ICSP 2002 - Beijing, China
Duration: 2002 Aug 262002 Aug 30

Publication series

NameInternational Conference on Signal Processing Proceedings, ICSP
Volume1

Other

Other6th International Conference on Signal Processing, ICSP 2002
CountryChina
CityBeijing
Period02/8/2602/8/30

ASJC Scopus subject areas

  • Software
  • Signal Processing
  • Computer Science Applications

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  • Cite this

    Yamada, I., & Yukawa, M. (2002). An efficient robust stereophonic acoustic echo canceler based on parallel subgradient projection techniques. In B. Yuan, & X. Tang (Eds.), ICSP 2002 - 2002 6th International Conference on Signal Processing, Proceedings (pp. 293-296). [1181048] (International Conference on Signal Processing Proceedings, ICSP; Vol. 1). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICOSP.2002.1181048