Based on the CTRANC characteristic of suppressing the interfering signal and stability in short-term of speech signal, an adaptive speech separation algorithm based on the CTRANC system comes out.

利用CTRANC抑制干扰信号的特性及语音信号的短时稳定性，借助最优控制相关理论，得到了新的语音分离方法及其自适应滤波迭代步长的计算公式。

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Separation of speech in voice communications, acoustic target detection, sound signal enhancement, and so has important theoretical significance and practical value.

语音分离的研究在语音通信、声学目标检测、声音信号增强等方面有着重要的理论意义和实用价值。

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To obtain clearer desired signal under multi-speaker environment, the time-frequency masking effect is used in post-processing of speech enhancement using blind source separation.

本文将时频掩蔽效应引入盲源分离语音增强系统中，给出一种基于时频掩蔽效应和盲源分离的语音增强方法，并将其与期望最大化方法进行了性能比较。

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