首页> 外国专利> NONLINEAR ACOUSTIC ECHO SIGNAL SUPPRESSION SYSTEM AND METHOD USING VOLTERRA FILTER

NONLINEAR ACOUSTIC ECHO SIGNAL SUPPRESSION SYSTEM AND METHOD USING VOLTERRA FILTER

机译:利用Volterra滤波器的非线性声学回声信号抑制系统和方法

摘要

A nonlinear acoustic echo signal suppression system and method using a Volterra filter is disclosed. The nonlinear acoustic echo signal suppression system includes an acoustic echo signal estimator configured to estimate a nonlinear acoustic echo signal by using a Volterra filter in a frequency filter, and a near-end talker speech signal generator configured to generate a near-end talker speech signal, in which the nonlinear acoustic echo signal is suppressed, by using a gain function based on a statistical model.
机译:公开了一种使用沃尔特拉滤波器的非线性声学回声信号抑制系统和方法。非线性声学回声信号抑制系统包括:声学回声信号估计器,被配置为通过使用频率滤波器中的Volterra滤波器来估计非线性声学回声信号;以及近端讲话者语音信号生成器,被配置为生成近端讲话者语音信号通过使用基于统计模型的增益函数来抑制非线性声学回声信号。

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