U2-TTS-Clone
Few-shot high fidelity, fast voice cloning
Voice timbre cloning and emotion transfer for more human expression.
U2-TTS-Clone: Few-shot high fidelity, fast voice cloning
TTS-Clone supports rapid target-voice timbre replication from very small voice samples and generates highly faithful natural speech with emotional expression. The cloned voice can be retained long-term and reused repeatedly, helping build exclusive voice assets that are both accumulable and reusable.
MOS score
Supported languages
Reference audio length
Max clone support
Core Advantages
Lower Cost
No need for long sample collection, manual tuning or complex post-production. Start with just one sentence.
More Realistic
High-fidelity timbre restoration, more natural synthesis, sounds more like 'the person themselves speaking'.
Richer Expression
Not just copying voiceprints, but also migrating tone and emotion, giving the voice 'emotion'.
Accumulable Assets
Turn brand/character voices into reusable 'voice assets' to continuously serve content production and product interaction.
Technical Highlights
One-Sentence Voice Cloning
Second-level generation, extremely low threshold.
Timbre + Emotion Dual-Driven
Supports combinatorial synthesis of 'timbre from A, emotion from B'.
Cross-Lingual Chinese-English Cloning
Maintain a consistent expression style for the same timbre across different languages.
Application Scenarios
Brands & Enterprises
Brand-exclusive customer service/welcome/marketing voice, unified voice and experience.
Smart Customer Service & Assistants
More human-like, emotional conversational voice output.
Content Production
Rapid large-scale generation of short video dubbing, audio content, and news broadcasting.
Gaming/Virtual Characters
Character voice accumulation, batch generation of plot dialogue.
Multilingual Expansion
Maintain the same timbre/brand voice, achieving consistency in bilingual Chinese-English content.
Capabilities
- One-sentence reference speech achieves second-level timbre cloning.
- High-fidelity timbre restoration, synthesis naturalness and similarity MOS 4.5+.
- Emotional feature migration: 'timbre reference' and 'emotion reference' can be combined in a single synthesis.
- Cross-lingual cloning: Chinese reference -> English synthesis; English reference -> Chinese synthesis.
