【專利讓與及授權】自行研發產出專利公告(1件)

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專利證書號

摘要

專利期

1

METHOD FOR ACOUSTIC ECHO CANCELLATION AND SYSTEM THEREOF

US9,036,815 B2

The spirit of the present invention is to vary the step size parameter in accordance with the error signal and the output acoustic signal, wherein the filter is easy to implement, nonparametric VSS-NLMS algorithm which employs the mean-square error and the estimated system noise power to control the step-size update. The new nonparametric VSS-NLMS algorithm has been shown to perform with fast convergence rate, good tracking, and low mis-adjustment. In comparison with existing VSS-NLMS algorithms, the proposed algorithm has demonstrated consistently superior performance both in convergence and for final error level relative to published algorithms in application on both simulated data and real speech data.

2012/06/02-2033/07/19

讓受期限:2018/10/05-2019/01/04

連絡人:林彥芳小姐

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