Comparison of Hammerstein and Wiener systems for nonlinear acoustic echo cancelers in reverberant environments

@article{Scarpiniti2011ComparisonOH,
  title={Comparison of Hammerstein and Wiener systems for nonlinear acoustic echo cancelers in reverberant environments},
  author={Michele Scarpiniti and Danilo Comminiello and Raffaele Parisi and Aurelio Uncini},
  journal={2011 17th International Conference on Digital Signal Processing (DSP)},
  year={2011},
  pages={1-6}
}
The aim of this paper is the presentation of a comparative analysis of Hammerstein and Wiener systems used for the problem of compensation of the nonlinear distortion due to non-ideality of amplifiers and loudspeakers in acoustic echo cancellation. The proposed solutions consist in a cascade of a flexible nonlinear function, whose shape can be modified during the learning process, and a linear adaptive filter in different order, respectively. Two different type of flexible nonlinearities are… CONTINUE READING
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