Stereophonic acoustic echo canceller without pre-processing

  title={Stereophonic acoustic echo canceller without pre-processing},
  author={Akihiro Hirano and Kenji Nakayama and Daisuke Someda and Masahiko Tanaka},
  journal={2004 IEEE International Conference on Acoustics, Speech, and Signal Processing},
This paper proposes a stereophonic acoustic echo canceller without pre-processing which can identify the correct echo-paths. By dividing the filter coefficients into two portions and updating one part at a time, the filter coefficient have a unique solution. Convergence analysis clarifies the condition for correct echo-path identification. For fast convergence and stable adaptation, a convergence detection and an adaptive step-size are also introduced. The modification amount of the filter… CONTINUE READING


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