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基于信号能量的浊语音盲信号分离算法

, PP. 1665-1670

Keywords: 通信技术,计算听觉场景分析,语音分离,信号能量,听觉片段,听觉流

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Abstract:

针对以往单声道浊语音分离算法对目标语音信号分离不稳定性和信噪比低的不足,引入了浊语音的另一个重要特征,即信号能量。提出了一种基于信号能量的浊语音分离算法,算法对经典的Hu-Wang算法进行了改进,将能量特征应用于听觉重组部分,通过能量特征来改进目标语音听觉流的重组性能,降低噪声对重组后的目标听觉流的干扰,提高算法的稳定性。实验结果表明:与Hu-Wang算法相比较,该改进算法可提高目标语音的分段信噪比,改善了目标浊语音的分离性能。

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