Confucius4-TTS
Clones voice and emotion from a short sample for accent-free dubbing across 14 languages
Features
Screenshots
System Requirements
16GB RAM recommended. 21GB+ storage recommended.
macOS 15+: M-series chips required.
Windows 10/11 64-bit: NVIDIA GPU with 8GB+ VRAM required.
Note: For NVIDIA GPUs, install a newer driver.Introduction
Confucius4-TTS is a next-generation multilingual text-to-speech (TTS) and voice cloning engine developed and open-sourced by the NetEase Youdao Team as part of Youdao's "Confucius" Large Model 4.0 ecosystem. It fully supports high-quality synthesis and accent-free cross-lingual cloning across 14 languages: Chinese, English, Japanese, Korean, German, French, Spanish, Portuguese, Russian, Italian, Vietnamese, Thai, Indonesian, and Arabic, providing creators, developers, and enterprises with accessible AI voice solutions.
Key Features & Product Highlights
- Zero-Shot Voice Cloning: Users can replicate any target voice accurately by uploading a short sample audio without needing transcripts.
- Accent-Free Cross-Lingual Synthesis: Effortlessly translate a speaker's voice into other languages while maintaining natural, native-sounding pronunciations without foreign accents.
- Emotion & Tone Transfer: Preserves the nuanced emotions, cadence, and tone (e.g., cheerful, serious, subdued) of the original voice, yielding expressively realistic output.
- User-Friendly & Developer-Ready: Features an out-of-the-box WebUI alongside standard API endpoints, enabling easy operation for general users and quick integration for developers into local or cloud pipelines.
Primary Use Cases
- Global Content & Short Video Localization: Enables creators to translate and dub videos into multiple languages using their own natural voice.
- Audiobooks & Podcasts: Rapidly generates multi-character, emotionally expressive audio content while significantly reducing studio recording costs.
- Gaming & Animation Dubbing: Customizes unique character voices with varied emotional styling.
- Accessibility & EdTech: Powers personalized language learning tools, educational assistants, and interactive devices.
Underlying Technology
Confucius4-TTS is built on modern generative AI architecture, leveraging a Speech Encoder + LLM (Large Language Model) hybrid generative pipeline paired with advanced neural vocoders, achieving high-fidelity, low-latency audio generation.