Changing facial expressions with React 1 on sync.so
Sync.So
Demo summary
The demonstration shows how to use the React 1 model on sync.so to rewrite facial emotions (such as happy, sad, or angry) and head movements while syncing the mouth to new dialogue.
Step-by-step
- Select the React 1 model
- Set the temperature to 0.9 in the settings
- Input your dialogue by typing text into the script section or uploading an audio file
- Choose a voice from the 11 Labs library in the right panel
- Select an emotion from the expression options (surprised, natural, happy, sad, disgusted, or angry)
- Click preview to test the timing and voice personality
- Click create and wait for processing to complete
- Review the final output and export or adjust settings to regenerate
Options
- Force a new emotional read
- Match the tone of new dialogue
- Rewrite facial acting style
- Use Head mode to rewrite micro expressions and head motion
Watch out for
- Use a medium shot or medium close-up; shots that are too tight restrict movement, while shots that are too wide lose facial detail
Tips
- Set temperature to 0.9 to add expressiveness without causing instability
- Use Head mode for 3D animation to reinterpret the 'how' behind the speech
- Pick a voice that specifically matches your scene tone
Highlights
“This is extremely powerful for 3D animation.”
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