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Sub-Band Voice Morphing Algorithm Based on State-Space Model
Author(s): 
Pages: 646-653
Year: Issue:  3
Journal: Acta Electronica Sinica

Abstract: 语音转换是一项改变说话人声音特征的技术,该领域主流方法--基于高斯混合模型的全频带参数映射,会导致转换后的语音频谱产生帧间不连续性.本文针对以上问题提出了改进方案:首先引入状态空间模型来模拟语音动态变化特性,其次利用离散小波变换对语音低频和高频部分的参数分为子频带处理.文章最后用主观和客观实验对提出的算法进行的实验仿真和验证.
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