LipSync in the Video Timeline

LipSync lets you create a new speaking video by combining an existing video clip with an audio clip on the Video timeline.

LipSync in the Video Timeline

LipSync lets you create a new speaking video by combining an existing video clip with an audio clip on the Video timeline.

It is useful when you already have a character performance and want the mouth movement to follow dialogue, narration, or voice-over.

What you need

  • 1 video clip on the Video timeline
  • 1 audio clip on the Video timeline
  • the two clips aligned at the point where speech should begin

The audio clip can come from uploaded audio, recorded voice-over, text-to-speech, or voice change, as long as it exists as a timeline audio clip.

How to use LipSync

  1. Open the Video tab
  2. Place your source video clip on the timeline
  3. Add or import the audio clip you want to sync
  4. Align the audio under the video so the speech starts at the correct moment
  5. Select exactly one video clip and one audio clip
  6. Right-click the selection and choose LipSynch
  7. Review the LipSync settings
  8. Generate the result

LipSync settings

  • Expressiveness controls how subtle or expressive the lip movement should feel
  • Active Speaker Detection helps the system focus on the person who is speaking

What happens after generation

LipSync does not overwrite your original clip.

Instead, Ciaro creates a new generated video version linked to the same shot. Your original source video stays intact, and the new lip-synced result becomes available as another version of that shot.

Best practices

For the best results, start with a source video where:

  • the character's face is visible
  • the mouth area is readable
  • the character already appears ready to speak
  • the shot is not too distant or heavily obscured

A common end-to-end workflow

A common voice workflow is:

  1. design a reusable voice
  2. record or create the audio
  3. convert the audio into the designed voice if needed
  4. align the audio under the video clip
  5. run LipSynch

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LipSync in the Video Timeline | Ciaro Pro Help