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- W2370971519 abstract "In an adaptive echo canceller,the detection algorithm able to distinguish echo pass change(EPC) from double-talk(DT) is vital to ensure that adaptive filter tap coefficients are updated in case of EPC and frozen during the DT period.Two detection algorithms are proposed.In algorithm 1,adaptive filter error signal's average amplitude is combined with cross-correlation coefficient between error signal and output signal of adaptive filter to distinguish EPC from DT.In algorithm 2,an auxiliary filter is used to detect EPC and DT and able to quicken the convergence of main filter at the same time.The computer simulation results verify that above mentioned algorithms are very useful and efficient in distinguishing EPC from DT and improve the performance of echo canceller." @default.
- W2370971519 created "2016-06-24" @default.
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- W2370971519 date "2007-01-01" @default.
- W2370971519 modified "2023-09-23" @default.
- W2370971519 title "Study on detection algorithms able to distinguish echo pass change from double-talk" @default.
- W2370971519 hasPublicationYear "2007" @default.
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