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Title: On a robust dual-path DCD-RLS algorithm for stereophonic acoustic echo cancellation [articol]
Authors: Stanciu, Cristian
Paleologu, Constantin
Benesty, Jacob
Ciochină, Silviu
Subjects: Stereophonic acoustic echo cancellation (SAEC)
Widely linear (WL) model
Recursive leastsquares (RLS) algorithm
Dichotomous coordinate descent (DCD)
Transfers logic (TL)
Issue Date: 2013
Publisher: Timișoara : Editura Politehnica
Citation: Stanciu, Cristian. On a robust dual-path DCD-RLS algorithm for stereophonic acoustic echo cancellation. Timişoara: Editura Politehnica, 2013
Series/Report no.: Seria electronică şi telecomunicaţii;Tom 58(72), fasc. 1 (2013)
Abstract: The standard model for stereophonic acoustic echo cancellation (SAEC) consists of a two-input/twooutput system with real random variables, which can be modeled using four adaptive filters. Recently, we used the widely linear (WL) model in the context of SAEC. In this case, we deal with a single-input/single-output system with complex random variables, which involves only one adaptive filter. In this paper, the functionality of the WL-SAEC scheme is shown using the recursive least-squares (RLS)-dichotomous coordinate descent (DCD) algorithm. Moreover, a dual path filtering methodology is used to make the algorithm more robust.
URI: http://localhost:8080/xmlui/handle/123456789/1105
Appears in Collections:Articole stiintifice/Scientific articles

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