噪声发生器
Echo canceller is generally consisted of adaptive filter, single tone signal detector, far signal detector, near signal detector, nonlinear processor of the remaining echo and comfortable noise generator and other accessories.
回波抵消器一般由自适应滤波器、单音信号检测器、远端信号检测器、近端信号检测器、剩余回波的非线性处理器和舒适噪声产生器等构成。
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