Glossary · task
Lip Sync (AI)
Also known as: AI lip sync, mouth sync
Definition
AI lip sync is the task of automatically generating mouth and jaw movements in a video that match a given audio track, so a person's lips appear to speak the audio naturally.
In more detail
Used for video dubbing, multilingual content, avatar talking-head video, and bringing still portraits to life with custom audio. Mobbi's lip sync handles long-form video (multi-minute) and works across all 16 supported UI languages including phoneme-accurate lip movement for non-English audio.
Try it on Mobbi
FAQ
What audio formats does lip sync support?+
MP3, WAV, M4A — and built-in text-to-speech if you only have a script.