OpenVoice Project Overview
OpenVoice V1
OpenVoice is an innovative voice cloning project that stands out due to its unique features and capabilities. As outlined in the project's detailed paper and website, OpenVoice offers three main advantages:
1. Accurate Tone Color Cloning:
OpenVoice excels in accurately imitating the tone color of reference speech. This capability allows it to generate speech in a variety of languages and accents, maintaining the original tone characteristics.
2. Flexible Voice Style Control:
This feature provides users with the ability to fine-tune voice attributes such as emotion, accent, rhythm, pauses, and intonation. This level of detailed control allows for the creation of highly personalized speech outputs.
3. Zero-shot Cross-lingual Voice Cloning:
OpenVoice is capable of voice cloning without requiring the target or reference language to be included in its training data. This means it can produce speech in any language using a voice from any other language, a feature known as zero-shot learning.
OpenVoice V2
Released in April 2024, OpenVoice V2 builds upon the features of V1 and introduces several enhancements:
1. Better Audio Quality:
Through an updated training strategy, OpenVoice V2 achieves improved audio quality, ensuring the generated voices sound even more natural and authentic.
2. Native Multi-lingual Support:
OpenVoice V2 comes with built-in support for multiple languages, including English, Spanish, French, Chinese, Japanese, and Korean, boosting its utility for international users.
3. Free Commercial Use:
From April 2024, both V1 and V2 versions of OpenVoice are available under the MIT License, allowing free use for commercial purposes.
OpenVoice has been crucial in advancing the voice cloning capabilities of myshell.ai since May 2023. By November 2023, it has facilitated millions of voice cloning operations for users worldwide, contributing significantly to rapid user growth on the platform.
Main Contributors
The OpenVoice project has been brought to life through contributions from key researchers:
- Zengyi Qin at MIT
- Wenliang Zhao at Tsinghua University
- Xumin Yu at Tsinghua University
- Ethan Sun at MyShell
How to Use and Support
For those interested in using OpenVoice, detailed instructions can be found in the project's usage documentation. Common queries are addressed in the QA section, which is regularly updated to assist users.
Community Engagement
The OpenVoice project welcomes community participation through its Discord community. By selecting the "Developer" role upon joining, participants gain access to exclusive channels dedicated to developer discussions and collaborations.
Licensing and Acknowledgements
OpenVoice V1 and V2 are available under the MIT License, encouraging both research and commercial use. The project credits several excellent pre-existing projects, including TTS, VITS, and VITS2, which have laid the foundation for its development.