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Streamable Speech Representation Disentanglement and Multi-Level Prosody Modeling for Live One-Shot Voice Conversion

This paper takes efforts to tackle the challenge of “live” oneshot voice conversion (VC), which performs conversion across arbitrary speakers in a streaming way while retaining high intelligibility and naturalness. We propose a hybrid unsupervised and supervised learning based VC model with a two-stage model training strategy. Specially, we first employ an unsupervised disentanglement framework to separate speech representations of different granularities Experimental results demonstrate that our proposed method achieves comparable performance on speech naturalness, intelligibility and speaker similarity with offline VC solutions, with sufficient efficiency for practical real-time applications. Audio samples are available online for demonstration.