Introduction
IndexTTS is an industrial-level controllable and efficient zero-shot text-to-speech system, supporting precise speech duration control and disentangled emotion/timbre, ideal for high-demand audio-visual synchronization.
Key Features
- Two generation modes: precise duration control and free autoregressive generation
- Independent control of emotion and timbre, supporting diverse styles
- Three-stage training paradigm for improved stability and clarity
- Soft instruction mechanism enables emotion control via text description
Use Cases
- Video dubbing and audio-visual synchronization
- Intelligent voice assistants and personalized broadcasting
- Multi-emotion speech generation and style transfer
Technical Highlights
Innovative duration control method, combined with GPT latent representations and soft instruction mechanism, greatly enhances flexibility and expressiveness. Open-source model, multi-dataset support, and performance surpassing mainstream zero-shot TTS systems.