UnifySpeech: A Unified Framework for Zero-shot Text-to-Speech and Voice Conversion

• URL: http://arxiv.org/abs/2301.03801v1
• Date: Tue, 10 Jan 2023 06:06:57 GMT
• Title: UnifySpeech: A Unified Framework for Zero-shot Text-to-Speech and Voice Conversion
• Authors: Haogeng Liu, Tao Wang, Ruibo Fu, Jiangyan Yi, Zhengqi Wen, Jianhua Tao
• Abstract summary: Text-to-speech (TTS) and voice conversion (VC) are two different tasks aiming at generating high quality speaking voice according to different input modality. This paper proposes UnifySpeech, which brings TTS and VC into a unified framework for the first time.
• Score: 63.346825713704625
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Text-to-speech (TTS) and voice conversion (VC) are two different tasks both aiming at generating high quality speaking voice according to different input modality. Due to their similarity, this paper proposes UnifySpeech, which brings TTS and VC into a unified framework for the first time. The model is based on the assumption that speech can be decoupled into three independent components: content information, speaker information, prosody information. Both TTS and VC can be regarded as mining these three parts of information from the input and completing the reconstruction of speech. For TTS, the speech content information is derived from the text, while in VC it's derived from the source speech, so all the remaining units are shared except for the speech content extraction module in the two tasks. We applied vector quantization and domain constrain to bridge the gap between the content domains of TTS and VC. Objective and subjective evaluation shows that by combining the two task, TTS obtains better speaker modeling ability while VC gets hold of impressive speech content decoupling capability.

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