Classifier-Free Guidance

DiffStyleTTS: Diffusion-based Hierarchical Prosody Modeling for Text-to-Speech with Diverse and Controllable Styles
A diffusion-based acoustic model with hierarchical prosody modeling and improved classifier-free guidance, jointly enabling diverse and controllable prosody for TTS.
Jiaxuan Liu, Zhaoci Liu, Yajun Hu, Yingying Gao, Shilei Zhang, Zhenhua Ling
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