AI Glossary

Lip sync

Also called lip-syncing

What does “Lip sync” mean?

Lip sync: Adjusting a person's mouth movements in video so they match a given audio track. AI lip sync can make an existing face appear to say new words, or animate a still portrait to speak. Quality depends on matching teeth, jaw and expression to each sound.

Lip sync visual guide: Adjusting a person's mouth movements in video so they match a given audio track. AI lip sync can make an existing face appear to say new words, or animate a still portrait to speak. Quality depends on matching teeth, jaw and expression to each sound.
Visual guide Open full size (new tab)

What is an example of “Lip sync”?

Dubbing a film into another language so the actors' lips match the translated dialogue rather than the original.

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See also

AI avatarTermText-to-speechTermDeepfakeTermVoice cloningTerm

Same topic

Speech-to-textTermLoRA (image models)TermLatent diffusionTermMusic generationTermInpaintingTerm