Generate high-quality speech with just a single audio sample, no training required.
Control emotions like happiness, sadness, anger, fear, and neutral tones with precision.
Perfect Chinese pronunciation control using pinyin notation for polyphonic characters.
Optimized for speed with efficient processing and reduced latency for real-time applications.
Precise control over speech timing and pauses using punctuation marks.
Supports both English and Chinese with exceptional naturalness and clarity.
Listen to high-quality speech samples generated by IndexTTS. Compare with other leading TTS systems and hear the difference in naturalness and voice similarity.
Our system significantly outperforms XTTS, CosyVoice2, FireRedTTS, F5-TTS, and FishSpeech in terms of naturalness, content consistency, and zero-shot voice cloning capabilities.
"Old will is a fine fellow but poor and helpless since missus rogers had her accident."
"每天傍晚，他都会坐在阳台上看书，旁边放着一杯热茶。"
"疫情让每一位默默奉献的人们在历史上写下zhong4 zhong4的一笔"
Built on advanced transformer architecture with efficient attention mechanisms for high-quality synthesis.
Enhanced version of proven XTTS and Tortoise models with significant improvements in multiple modules.
Conformer-based speech conditional encoder for improved voice cloning stability and effectiveness.
Replaced speechcode decoder with BigVGAN2 for superior audio quality and naturalness.
Comparative analysis of Vector Quantization vs Finite-Scalar Quantization for optimal codebook utilization.
Combines character and pinyin modeling for controllable pronunciation of Chinese polyphonic characters.
IndexTTS is available on GitHub with comprehensive documentation, installation guides, and community support.