Voice Cloning
Voice cloning is the ability to generate speech synthesis in a target speaker's voice from just a few seconds of reference audio, without any additional fine-tuning. The model extracts a speaker embedding from the reference audio and conditions generation on it, replicating timbre, rhythm, and prosodic characteristics. Zero-shot means no additional per-speaker training is needed at inference time. Systems like ElevenLabs, XTTS v2, CosyVoice, and Dia TTS have made this technology accessible via API or open-weights models.
In practice
A developer cloning a voice with XTTS v2 (open source, available on HuggingFace) provides 6-10 seconds of clean reference audio and the text to synthesize; the Coqui TTS library handles embedding extraction and synthesis in a few seconds. For professional productions, the ElevenLabs API accepts an audio clip and returns a reusable voice_id. It is essential to verify the original speaker's consent before cloning their voice, in compliance with applicable regulations.
Related terms
Seen in the wild
9 entries mentioning it- MediumF5-TTS: real-time voice cloning without fine-tuning using flow matching and DiTTo architecture
- HighCartesia Sonic: 50ms TTS for voice agents in production
- MediumFish Speech 1.4: open source TTS with voice cloning from 10 seconds and 8 languages
- MediumCosyVoice: Alibaba DAMO's multilingual zero-shot voice cloning
- MediumSuno v3: longer songs, better coherence, and audio upload
- HighXTTS: Coqui AI's open-source multilingual zero-shot voice cloning
- HighElevenLabs exits beta: AI voice becomes the creator standard
- LandmarkVALL-E: Microsoft clones a voice from 3 seconds of audio using in-context learning
- MediumTortoise TTS: convincing voice cloning from 3 seconds of audio