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
Languages Supported
Reference Audio Length
Max Clone Length
Core Advantages
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
Technical HighlightsOne-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.
Use Cases
Use Cases
Brand & enterprise
Dedicated brand voice for customer service, greetings and marketing, unifying tone and experience.
Smart assistants & customer service
More humanized, emotionally expressive conversational voice output.
Content production
Fast, scalable generation for short-video voiceovers, audio content and news broadcasting.
Games & virtual characters
Preserve character voices and batch-generate storyline dialogue.
Multi-language expansion
Keep the same brand voice consistent across bilingual Chinese-English content.
Capabilities
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.
- Emotion transfer: combine a "timbre reference" and an "emotion reference" in a single synthesis.
- Cross-language transfer: Chinese reference to English synthesis, and English reference to Chinese synthesis.
Get StartedFlexible pricing, custom solutions, private deployment
Flexible billing models and dedicated customization for voice cloning scenarios, with private deployment to ensure data security and compliance
Talk to an Expert