In this paper Gaussian process is applied to linear and nonlinear acoustic echo cancellation. Gaussian process is a kernel method in which predictions to new inputs are made based on the linear combination of kernel functions evaluated at each training data. First order acoustic echo-path is modeled by a linear equation of input data and second order acoustic echo-path is modeled by the second order polynomials. The performance of the cancellation is evaluated by white signal, stationary colored signal, non-stationary colored signal and real speech data. It is shown that more than 70 dB echo cancellation can be acieved within 400 ms. © 2009 Springer Berlin Heidelberg.
CITATION STYLE
Tomita, J. I., & Hirai, Y. (2009). Acoustic echo cancellation using Gaussian processes. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 5507 LNCS, pp. 353–360). https://doi.org/10.1007/978-3-642-03040-6_43
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