Adaptive combination of volterra kernels and its application to nonlinear acoustic echo cancellation
Antonio Azpicueta-Ruiz L, Zeller M, Ramon Figueiras-Vidal A, Arenas-Garcia J, Kellermann W (2011)
Publication Language: English
Publication Status: Published
Publication Type: Journal article, Original article
Publication year: 2011
Journal
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Book Volume: 19
Pages Range: 97-110
Article Number: 5428855
Journal Issue: 1
DOI: 10.1109/TASL.2010.2045185
Abstract
The combination of filters concept is a simple and flexible method to circumvent various compromises hampering the operation of adaptive linear filters. Recently, applications which require the identification of not only linear, but also nonlinear systems are widely studied. In this paper, we propose a combination of adaptive Volterra filters as the most versatile nonlinear models with memory. Moreover, we develop a novel approach that shows a similar behavior but significantly reduces the computational load by combining Volterra kernels rather than complete Volterra filters. Following an outline of the basic principles, the second part of the paper focuses on the application to nonlinear acoustic echo cancellation scenarios. As the ratio of the linear to nonlinear echo signal power is, in general, a priori unknown and time-variant, the performance of nonlinear echo cancellers may be inferior to a linear echo canceller if the nonlinear distortion is very low. Therefore, a modified version of the combination of kernels is developed obtaining a robust behavior regardless of the level of nonlinear distortion. Experiments with noise and speech signals demonstrate the desired behavior and the robustness of both the combination of Volterra filters and the combination of kernels approaches in different application scenarios. © 2010 IEEE.
Authors with CRIS profile
Marcus Zeller
Lehrstuhl für Multimediakommunikation und Signalverarbeitung
Walter Kellermann
Professur für Signalverarbeitung
Involved external institutions
Spain (ES)How to cite
APA:
Antonio Azpicueta-Ruiz, L., Zeller, M., Ramon Figueiras-Vidal, A., Arenas-Garcia, J., & Kellermann, W. (2011). Adaptive combination of volterra kernels and its application to nonlinear acoustic echo cancellation. IEEE Transactions on Audio Speech and Language Processing, 19(1), 97-110. https://dx.doi.org/10.1109/TASL.2010.2045185
MLA:
Antonio Azpicueta-Ruiz, Luis, et al. "Adaptive combination of volterra kernels and its application to nonlinear acoustic echo cancellation." IEEE Transactions on Audio Speech and Language Processing 19.1 (2011): 97-110.
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