Robust and low-cost cascaded non-linear acoustic echo cancellation

  title={Robust and low-cost cascaded non-linear acoustic echo cancellation},
  author={Moctar Mossi Idrissa and Christelle Yemdji and Nicholas W. D. Evans and Christophe Beaugeant and Philippe Degry},
  journal={2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
This paper addresses the problem of acoustic echo cancellation in non-linear environments. The first contribution relates to the use of a cascaded model which divides the loudspeaker enclosure microphone system into two main blocks; the first models the downlink transducers which are assumed to be the main source of nonlinearity. The second block includes the acoustical channel and uplink transducers which are assumed to be linear and have a comparatively longer impulse response and higher time… CONTINUE READING
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