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Speech Emotion Modification Using a Cepstral Vocoder

机译:使用倒谱声码器的语音情绪修改

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This paper deals with speech modification using a cepstral vocoder with the intent to change the emotional content of speech. The cepstral vocoder contains the analysis and synthesis stages. The analysis stage performs the estimation of speech parameters - vocal tract properties, fundamental frequency, intensity, etc. In this parametric domain the segmental and suprasegmental speech modifications may be performed and than the speech can be reconstructed using the parametric source-filter cepstral model. We use the described cepstral vocoder and speech parameter modifications as a tool for research in emotional speech modeling and synthesis. The paper is focused rather on the description of this system and its possibilities than to precise settings of parameter modifications for speech generation with given emotions. The system is still under development. Plans for future research are shortly summarized.
机译:本文涉及使用倒谱声码器进行语音修改,旨在改变语音的情感内容。倒谱声码器包含分析和合成阶段。分析阶段执行语音参数的估计-声道属性,基频,强度等。在此参数域中,可以执行分段和超分段语音修改,然后可以使用参数源滤波器倒频谱模型重建语音。我们使用描述的倒谱声码器和语音参数修改作为研究情感语音建模和合成的工具。本文的重点是对该系统及其可能性的描述,而不是针对给定情绪下语音生成的参数修改的精确设置。该系统仍在开发中。简短地概述了未来的研究计划。

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