Acoustic Mouth Synchronization
Analyses vocal cadence, pauses, and pitch variations so lip syncing looks smooth, natural, and realistic.
AI lip sync
Sync a script, voice, or audio track with natural mouth movement.
Make Any Speaking Video Feel Naturally Aligned
Matching speech to facial movement for translation, dubbed, avatar, and presenter videos stays convincing and easy to watch.
Explore Use Cases of AI Lip Sync
Single-Photo Animation
Animates a still portrait into an expressive talking head from a voice recording or text-to-speech file.
Multi-Platform Video Formats
Renders vertical, square, and widescreen video outputs optimised for TikTok, Instagram Reels, and web media.
Video Reshoot Elimination
Swaps the original audio for a new voice track without awkward facial distortions or visual jumps.
Match Mouth Movements to Speech
Align facial articulation naturally with the rhythm, pauses, and tone of your voice track. VidAU delivers precise acoustic synchronisation so every spoken word matches the presenter's lip movements.
01/Global campaigns
Deliver Multi-Language Lip Sync
Localise video assets globally without hiring multilingual talent or setting up secondary shoots. Generate accurate, translated mouth movements automatically.
Preserve Natural Facial Expressions
02/Maintain original head tilts, eye blinks, and subtle facial emotions while integrating an updated audio track.
Talking-head content03/
Produce Polished Talking-Head Content
Scale explainers, ads, training, interviews, and social clips. Keep the workflow focused so the result is easier to review, refine, and move into production.
Try AI Lip Sync
Brand voice04/
Pair lip sync with an authorised cloned voice so translated or updated content keeps a recognisable vocal identity.
Who is the VidAU Lip Sync Tool for
Pair each workflow with the outcome that matters to that team.
Marketing and E-Commerce
Create spokesperson videos, product demonstrations, UGC-style advertisements, and campaign variations without filming every message again.
Creators and Social Teams
Add new dialogue to character videos, promotional clips, reactions, and short-form content.
Education and Training
Match narration with presenters or avatars to make lessons, explainers, and internal training easier to follow.
Global Content Teams
Localise existing videos with translated speech and synchronised mouth movement for different audiences.
01
Add Your Visual
Upload a supported video or face image with a clear view of the speaker.
02
Add the Speech
Enter your script, choose an available voice, or upload supported audio.
1:1
9:16
3:4
720p
1080p
4K
03
Generate and Review
Create the synced video, check the speech and facial movement, then download your result.
Continue Creating With Related VidAU Tools
Try More AI Video Ad Tools With VidAU
Trusted by Teams Creating at Campaign Speed
Ecommerce teams, marketers, and creative teams use VidAU to produce more talking-video variations with less repeated filming.
“My team now ships roughly three times more creative after bringing video production into VidAU. The simpler workflow helps a growing DTC brand keep testing new campaign ideas without adding the same level of production overhead.”
Sara MegsEcommerce Founder
ResultAbout 3× more creative
“Batch generation has changed how my agency handles high-volume ad testing. It gives the team a practical way to produce and compare more versions while deadlines are still moving.”
Daniel FredrickAffiliate Marketer
ResultMore versions, faster
“The platform saved my team about 12 hours each week. Having creation controls in one workflow reduces repetitive setup and leaves more time for creative judgement and client work.”
Milles JaneCreative Director
ResultAbout 12 hours saved a week
“We updated all our software onboarding videos without re-filming our host. The mouth movement matching is spot on.”
Claire ChenCustomer Experience Director
ResultOnboarding videos without a reshoot
Frequently Asked Questions About Lip Sync
Create Your Next Lip Sync With VidAU
Move from the idea to a polished, review-ready result. Match speech with natural facial movement and create clearer talking videos with VidAU AI lip sync.
Lip Sync Your Video Now ↗