Lip sync a video to new speech
Source video · Audio or script · Synchronized speechUpload a face video, add speech audio or a script, and synchronize the mouth movement with the existing MuseTalk workflow.
Change the speech while keeping the source video
See exact generation prompt
Welcome to GizAI. Synchronize existing face videos with high quality speech in seconds.
Works well forThe live MuseTalk 1.5 workflow accepted separate video and audio inputs and returned a lip-synchronized MP4 with clean mouth motion.
Review before publishingEnsure lighting and face orientation in source video are clear for optimal lip mesh alignment.
Upload the face video whose mouth timing you want to replace.
Upload speech audio directly or enter text for the supported speech-synthesis controls.
The purpose workflow selects MuseTalk automatically while advanced model choice stays available.
Three inputs, one clear outcome
Use a clear source video with a visible face, provide clean speech audio or a concise script, then review mouth timing, identity, audio and artifacts before publishing.
MuseTalk 1.5 (Video Lipsync)- Best for
- Retiming a visible face in an existing video to new speech
- Why choose it
- MuseTalk owns GizAI’s canonical video-plus-speech lip-sync contract.
- Watch for
- Fast motion, profile faces, occlusion and poor audio can reduce synchronization quality.
AI lip sync FAQ
What do I upload?
Upload a video with a clear visible face, then upload speech audio or enter a script for supported speech synthesis.
Is this the same as a talking avatar?
No. Lip sync starts from an existing video. The talking-avatar workflow starts from one still portrait and creates the talking movement.
Do I need a subscription?
MuseTalk is credit-based. Eligible signed-in users can buy credits once without an active subscription.
What should I review?
Check mouth timing, identity, audio quality, consent, source rights and disclosure requirements before publishing.