A stereo echo canceler with pre-processing for correct echo-path identification

@inproceedings{Joncour1998ASE,
  title={A stereo echo canceler with pre-processing for correct echo-path identification},
  author={Yann Joncour and Akihiko Sugiyama},
  booktitle={ICASSP},
  year={1998}
}
A new stereo echo canceler with pre-processing for correct echo-path identification is proposed. The pre-processing is accomplished by a two-tap time-varying filter which delays the input signal periodically by one sample in one of the two channels. Aliasing components and audible clicks by pre-processing are made inaudible by selecting appropriate parameters for the filter. Simulations with the NLMS algorithm and a white Gaussian signal confirm the correct echo-path identification. For speech… CONTINUE READING
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