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基于音素绑定码本映射的说话人声音转换方法

, PP. 300-306

Keywords: 声音转换,码本映射,决策树

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Abstract:

介绍说话人声音转换系统框架,并对传统的基于码本映射的说话人声音转换方法进行讨论.指出传统的码本映射方法由于对谱的转换采用所有码本加权叠加,因此会产生转换后语音频谱平滑效应过重的问题,从而使转换后语音音质较差.为了克服这种问题,本文提出基于音素绑定的码本加权叠加方法来完成语音谱的转换,同时利用决策树来完成韵律的转换.实验表明,即使在数据量较少的情况下,该方法也能较好地完成说话人声音转换,并能得到较高的语音音质.

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