介绍了自适应回声消除器的基本结构及各个功能模块，例如：变阶数自适应滤波器，语音状态检测器，延迟分析器和NL MS算法控制器。
The structure of AEC as well as its composing modules, are introduced such as the speech detector, the adaptive filter, the time delay estimator and the NLMS algorithm controller.
形态学滤波器是一种新的非线性语音增强算法。
Morphological filter is a kind of new nonlinear speech enhancement algorithm.
用该码本对声门波加以规范和约束，使迭代维纳滤波过程中增强语音的激励声门波处干干净语音有效激励声源模式空间内。
We imposes constraints on the glottal wave of enhanced speech during iterative Wiener filtering according as the glottal codebook to ensure glottal wave laid in the clean exciting glottal space.
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