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- W2149673267 abstract "In this paper we present two new variable step size (VSS) methods for adaptive filters. These VSS methods are so effective, they eliminate the need for a separate double-talk detection algorithm in echo cancellation applications. The key feature of both approaches is the introduction of a new near-end signal energy estimator (NESEE) that provides accurate and computationally efficient estimates even during double-talk and echo path change events. The first VSS algorithm applies the NESEE to the recently proposed Nonparametric VSS NLMS (NPVSS-NLMS) algorithm. The resulting algorithm has excellent convergence characteristics with an intrinsic immunity to double-talk. The second approach is somewhat more ad hoc. It is composed of a combination of an efficient echo path change detector and the NESEE. This VSS method also has excellent convergence, double talk immunity, and computational efficiency. Simulations demonstrate the efficacy of both proposed algorithms." @default.
- W2149673267 created "2016-06-24" @default.
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- W2149673267 date "2008-03-01" @default.
- W2149673267 modified "2023-10-16" @default.
- W2149673267 title "Novel variable step size nlms algorithms for echo cancellation" @default.
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- W2149673267 doi "https://doi.org/10.1109/icassp.2008.4517591" @default.
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