BreezyVoice: Adapting TTS for Taiwanese Mandarin with Enhanced Polyphone Disambiguation -- Challenges and Insights

• URL: http://arxiv.org/abs/2501.17790v1
• Date: Wed, 29 Jan 2025 17:31:26 GMT
• Title: BreezyVoice: Adapting TTS for Taiwanese Mandarin with Enhanced Polyphone Disambiguation -- Challenges and Insights
• Authors: Chan-Jan Hsu, Yi-Cheng Lin, Chia-Chun Lin, Wei-Chih Chen, Ho Lam Chung, Chen-An Li, Yi-Chang Chen, Chien-Yu Yu, Ming-Ji Lee, Chien-Cheng Chen, Ru-Heng Huang, Hung-yi Lee, Da-Shan Shiu,
• Abstract summary: BreezyVoice is a Text-to-Speech (TTS) system specifically adapted for Taiwanese Mandarin.<n>Our evaluation demonstrates BreezyVoice's superior performance in both general and code-switching contexts.
• Score: 43.04083813620365
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We present BreezyVoice, a Text-to-Speech (TTS) system specifically adapted for Taiwanese Mandarin, highlighting phonetic control abilities to address the unique challenges of polyphone disambiguation in the language. Building upon CosyVoice, we incorporate a $S^{3}$ tokenizer, a large language model (LLM), an optimal-transport conditional flow matching model (OT-CFM), and a grapheme to phoneme prediction model, to generate realistic speech that closely mimics human utterances. Our evaluation demonstrates BreezyVoice's superior performance in both general and code-switching contexts, highlighting its robustness and effectiveness in generating high-fidelity speech. Additionally, we address the challenges of generalizability in modeling long-tail speakers and polyphone disambiguation. Our approach significantly enhances performance and offers valuable insights into the workings of neural codec TTS systems.

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