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Audio to Video

Sync Lipsync-2-Pro

Generate lip-synced videos with enhanced detail preservation for beards, teeth, and facial features using Sync Labs' Lipsync-2-Pro model with diffusion-based super resolution

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Inputs

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Execution Steps

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Overview

Sync Lipsync-2-Pro combines a source video with an audio track to create a lip-synced video. Use it for detail-sensitive talking-head clips when facial features, beards, teeth, active-speaker handling, or mouth obstructions matter more than fastest generation.

Use cases

  • Match a new voiceover to an existing spokesperson or product-demo video.
  • Create localized or revised talking-head clips from source video and audio files.
  • Run a Pro lip-sync pass when facial detail matters more than turnaround speed.

Input tips

  • Provide public video_url and audio_url values that can be fetched without login.
  • Keep the speaker's face and mouth visible for the cleanest result.
  • Choose sync_mode based on how audio and video duration should be matched.
  • Adjust temperature for more expressive or more subtle mouth movement.
  • Enable active-speaker detection for multi-person videos.
  • Use occlusion detection when hands, microphones, or objects may cover the mouth.

Expected output

The AI Tool returns one generated lip-synced video file with a downloadable URL, optional content type, file name, file size, and cost metadata. The shared video template renders the result for playback, review, and download.

Caveats

  • Source video and audio URLs must be public and reachable.
  • The Pro model can take longer than standard Sync Lipsync-2.
  • Face visibility, audio timing, video resolution, motion, and occlusions affect the result.
  • Duration mismatch settings can loop, trim, bounce, silence, or remap content; review final timing.
  • This AI Tool does not generate the audio track; provide the audio separately.

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