Stereo projection echo canceller with true echo path estimation

Suehiro Shimauchi*, Shoji Makino

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

67 Citations (Scopus)


The effect that cross-correlation between stereo signals has on a stereo echo canceller is studied and a new stereo projection echo canceller is proposed that can identify the true echo path impulse responses. This echo canceller accelerates filter coefficient error convergence by adding the variations in the cross-correlation to stereo signals or by utilizing the fact that the cross-correlation between stereo signals varies slightly in actual teleconferencing situations. Computer simulations demonstrate that this echo canceller can reduce the filter coefficient error much faster than a conventional stereo normalized least mean squares (NLMS) echo canceller.

Original languageEnglish
Pages (from-to)3059-3062
Number of pages4
JournalICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
Publication statusPublished - 1995
Externally publishedYes
EventProceedings of the 1995 20th International Conference on Acoustics, Speech, and Signal Processing. Part 2 (of 5) - Detroit, MI, USA
Duration: 1995 May 91995 May 12

ASJC Scopus subject areas

  • Software
  • Signal Processing
  • Electrical and Electronic Engineering


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