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- W2135969423 abstract "In the context of acoustic echo cancellation (AEC), it is shown that the level of sparseness in acoustic impulse responses can vary greatly in a mobile environment. When the response is strongly sparse, convergence of conventional approaches is poor. Drawing on techniques originally developed for network echo cancellation (NEC), we propose a class of AEC algorithms that can not only work well in both sparse and dispersive circumstances, but also adapt dynamically to the level of sparseness using a new sparseness-controlled approach. Simulation results, using white Gaussian noise (WGN) and speech input signals, show improved performance over existing methods. The proposed algorithms achieve these improvement with only a modest increase in computational complexity." @default.
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- W2135969423 date "2009-11-01" @default.
- W2135969423 modified "2023-10-18" @default.
- W2135969423 title "A Class of Sparseness-Controlled Algorithms for Echo Cancellation" @default.
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- W2135969423 doi "https://doi.org/10.1109/tasl.2009.2025903" @default.
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