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GPT-SoVITS - an open-source sound cloning project that synthesizes sound with only a small amount of data.

GPT-SoVITS is an open-source voice cloning project. This speech synthesis tool combines the GPT model with SoVITS voice changer technology, achieving high-quality voice cloning and text-to-speech conversion with only a small amount of sample data. This tool...

What is GPT-SoVITS?

GPT-SoVITS is an open-source voice cloning project launched by Bilibili UP (content creator) and RVC voice changer founder, Huaer Bukui. This speech synthesis tool combines the GPT (Generative Pre-trained Transformer) model with the SoVITS (Speech-to-Video Voice Transformation System) voice changer technology, achieving high-quality voice cloning and text-to-speech (TTS) conversion with only a small amount of sample data. This tool is particularly suitable for scenarios requiring the rapid generation of specific human voices, helping users train a model capable of mimicking the voice (including emotion, timbre, and speech rate) of a target speaker with little or no sample data.

GPT-SoVITS official website entrance

Main functions of GPT-SoVITS

  • Zero-sample TTS text-to-speech conversionUsers only need to input a 5-second audio sample to achieve instant text-to-speech conversion.
  • Few-sample TTS text-to-speech conversionBy using one minute of training data, the model can be fine-tuned to improve the similarity and realism of the voices.
  • Sound cloningThrough training, GPT-SoVITS can learn and replicate the voice features of a specific speaker, achieving voice cloning to generate synthesized speech that is extremely similar to the voice of a specific speaker.
  • Cross-language supportGPT-SoVITS supports speech synthesis in multiple languages, allowing users to use the tool in different language environments. Currently, it supports English, Japanese, and Chinese.
  • WebUI toolsIt integrates tools including audio accompaniment separation, automatic training set segmentation, Chinese ASR (automatic speech recognition), and text annotation to help beginners create training datasets and GPT/SoVITS models.

Application scenarios of GPT-SoVITS

  • Personalized voice assistantIt can create personalized voices for smart assistants or chatbots, making them sound more like real people and improving the user experience.
  • Virtual character voice actingIn games, animation, or virtual reality (VR), it generates realistic voices for virtual characters, enabling them to express their voices without the need for professional voice actors.
  • Audiobook productionConvert text content into speech to provide high-quality reading services for audiobooks, podcasts, or educational materials.
  • Accessibility services: Provide text-to-speech services for visually impaired or dyslexic individuals to help them better access information.