IndexTTS2 – Precise duration and emotional zero-shot text-to-speech

Summary: IndexTTS2 is a production-ready text-to-speech system offering precise duration control, emotion-speaker decoupling, and zero-shot voice cloning for dubbing, games, podcasts, and education.

What it does

It generates speech with exact timing and separates emotion from speaker identity, enabling zero-shot voice cloning without prior training data.

Who it's for

It targets creators in dubbing, gaming, podcasting, and educational content production.

Why it matters

It solves the need for flexible, emotionally expressive speech synthesis with precise timing and voice cloning capabilities.