EE-TTS: Emphatic Expressive TTS with Linguistic Information

• URL: http://arxiv.org/abs/2305.12107v2
• Date: Sun, 14 Apr 2024 12:33:07 GMT
• Title: EE-TTS: Emphatic Expressive TTS with Linguistic Information
• Authors: Yi Zhong, Chen Zhang, Xule Liu, Chenxi Sun, Weishan Deng, Haifeng Hu, Zhongqian Sun,
• Abstract summary: We propose Emphatic Expressive TTS (EE-TTS), which synthesizes expressive speech with emphasis and linguistic information. EE-TTS contains an emphasis predictor that can identify appropriate emphasis positions from text. Experimental results indicate that EE-TTS outperforms baseline with MOS improvements of 0.49 and 0.67 in expressiveness and naturalness.
• Score: 16.145985004361407
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: While Current TTS systems perform well in synthesizing high-quality speech, producing highly expressive speech remains a challenge. Emphasis, as a critical factor in determining the expressiveness of speech, has attracted more attention nowadays. Previous works usually enhance the emphasis by adding intermediate features, but they can not guarantee the overall expressiveness of the speech. To resolve this matter, we propose Emphatic Expressive TTS (EE-TTS), which leverages multi-level linguistic information from syntax and semantics. EE-TTS contains an emphasis predictor that can identify appropriate emphasis positions from text and a conditioned acoustic model to synthesize expressive speech with emphasis and linguistic information. Experimental results indicate that EE-TTS outperforms baseline with MOS improvements of 0.49 and 0.67 in expressiveness and naturalness. EE-TTS also shows strong generalization across different datasets according to AB test results.

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