Sync Lipsync 2 Pro

Studio-grade AI lip synchronization tool that instantly syncs new audio to videos

Model Overview

An advanced AI model that creates professional lip-synced videos by matching facial movements to audio tracks.

Best At

• Video translation and dubbing into multiple languages
• Dialogue replacement in existing footage
• Re-animating characters for games/animation
• Creating AI-generated content with natural speech

Limitations / Not Good At

• Requires active speaking motion in source video (won't work with still frames)
• Struggles with complex scenes where faces are obscured or in extreme angles
• Performance slows when using occlusion detection for face masking

Ideal Use Cases

• Subtitling content for international audiences
• Editing podcast footage with rewritten scripts
• Creating talking-head content from text prompts
• Voice-changing experiments for gaming characters

Input & Output Format

Input: Video (.mp4) + Audio (.wav) files via URL
Output: Lip-synced video (.mp4) file available via download link

Performance Notes

• Uses diffusion-based super-resolution for high-quality outputs up to 4K
• "Active speaker" detection detects primary talkers in multi-person scenes
• Requires Sync Labs API Scale plan or higher for production use