EmotiVoice is a free open-source multi-voice, prompt-controlled TTS engine from NetEase Youdao. It supports English and Chinese speech synthesis, more than 2,000 voices, emotional prompt control, and local deployment for researchers, developers, creators, and voice application prototypes.
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Jan 2026
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EmotiVoice is an open-source text-to-speech engine from NetEase Youdao for generating expressive English and Chinese speech. Its public materials position it as a multi-voice, prompt-controlled TTS system with more than 2,000 voices and controllable delivery styles.
EmotiVoice fits research demos, audiobook samples, character dialogue, language-learning materials, product prototypes, and conversational agents that need more emotion than a plain TTS voice. For commercial voice work, review license terms and obtain rights for any voice data or generated persona you use.
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