LatentSync – AI Lip Sync Generator
LatentSync converts audio and video into perfectly synchronized speech animations, leveraging latent diffusion models for realistic lip movement.
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JPEG, PNG or JPG (max. 10MB)
Click to upload audio
Recommended duration under 2 minutes
MP3, WAV, OGG, AAC, M4A (max. 20MB)
LatentSync Transformation Examples
Explore how LatentSync transforms still images into animated speaking video across three real-world use cases: personalised gifts, e-commerce marketing and live avatar speech scenarios.
Personalised Gift Portrait Animation
LatentSync converts a still photo into an animated video where the subject speaks a custom message, creating a memorable personalised gift.
E-Commerce Product Avatar Speech
By applying LatentSync, we transformed a product image or mannequin portrait into a brief video where the item ‘speaks’ features and benefits directly to the viewer.
Virtual Avatar Language-Learning Guide
Using LatentSync, we animated a static avatar image to deliver multilingual voice-over effectively, enabling a speaking guide in multiple languages.
Key Capabilities of LatentSync
LatentSync offers a robust toolkit of features that optimise lip-synchronisation workflows, elevate quality, and expand creative possibilities across formats and languages.
Precise Mouth Motion Alignment 🎥
LatentSync analyses audio embeddings and generates corresponding lip movements in a latent diffusion framework, achieving high-accuracy mouth-audio alignment even in challenging dialogue or singing scenarios.
Smooth Temporal Consistency 🎬
By integrating the TREPA (Temporal REPresentation Alignment) method, LatentSync ensures frame-to-frame continuity and removes flicker or frame mismatch artefacts common in earlier lip-sync tools.
Support for Multiple Languages 🎙️
LatentSync supports lip-synchronisation across diverse languages and accents, adapting mouth shapes and timing for English, Mandarin, Spanish, German, Japanese and more.
Real-Time and Batch Processing 🎞️
Whether you need real-time lip-sync results for live avatars or batch processing for large-scale dubbing, LatentSync’s optimised architecture handles both with efficiency.
Versatile Input Types 🎮
LatentSync accepts standard image formats (JPG, PNG) and audio formats (WAV, MP3, M4A) and works with real-people footage, cartoon characters or virtual avatars.
Efficient Workflow Integration 🧩
Designed for creators, developers and studios, LatentSync offers an end-to-end solution that merges audio feature extraction, latent modelling and video generation in a streamlined pipeline.
What Users Say About LatentSync
Hear from practitioners who integrated LatentSync into their workflows and achieved profound improvements in speed, realism and cross-language synchronisation.
Emily R.
-Animation Studio Lead
Our studio adopted LatentSync to animate character stills with synchronized speech and movement. As a result, manual lip-frame work dropped by nearly half and the animated sequences achieved impressive professional accuracy in lip motion.
Michael S.
-Localization Manager
Using LatentSync for our multilingual dubbing workflows enabled consistent lip-sync across languages. Audience immersion improved significantly and post-production hours were reduced considerably thanks to the automation of mouth-motion alignment.
Dr. Lisa W.
-EdTech Director
We integrated LatentSync into our language-learning modules, converting static character images into speaking guides. The accurate lip movement matching voice tracks boosted student engagement and enhanced comprehension across lessons.
David H.
-Game Cinematics Producer
LatentSync allowed our NPCs and avatars to deliver dialog naturally in multiple languages. The tool fit seamlessly into our pipeline and the realism of mouth movements raised our narrative quality to new levels.
Sarah T.
-Marketing Creative Director
For our virtual influencer campaigns we applied LatentSync to photo assets and voice-clips. The realistic speech animation of the characters significantly increased viewer engagement and the campaign’s overall performance.
Common Questions About LatentSync
Find answers to key aspects of using LatentSync, how to prepare images and audio, what output to expect, and techniques to optimise results.
Can LatentSync animate a single still image into video?
Yes. LatentSync takes a still photo or illustration and an audio file as input. It then uses latent diffusion to generate a short video where the subject’s mouth and subtle facial motion match the audio.
What kind of image quality is ideal for LatentSync?
For best results choose a high-resolution frontal image with clear facial features, good lighting and minimal occlusion. LatentSync relies on good input to produce realistic mouth motion and expression.
What audio specifications work best with LatentSync?
Use a clean voice recording in MP3, WAV or M4A format, with minimal background noise and one speaker. LatentSync maps voice to lip movement, so a clear track improves sync accuracy.
Does LatentSync support different languages or accents?
Yes. LatentSync has been trained on multilingual datasets and can handle lip-motion for English, Mandarin, Spanish, German, Japanese and other languages with good accuracy.
What processing time should I expect with LatentSync?
Processing time depends on image resolution, audio length and hardware. In many cases LatentSync completes generation in a few minutes. Larger or high-res jobs may take longer and require more GPU memory.
How can I improve the output from LatentSync?
To improve results, use a clear frontal image, a high-quality audio track, limit background elements, and avoid extreme facial angles. These help LatentSync deliver smoother animation and accurate lip-sync.