modifier on a Grease Pencil object to switch between different hand-drawn mouth frames automatically. 4. AutoLipSync Pro
The tools are at your fingertips. Your audio is loaded. It's time to make your characters speak.
Select the object or bone responsible for the jaw's vertical movement. In the , go to Key > Bake Sound to F-Curves . auto lip sync blender
If Rhubarb feels too technical, the add-on by CGDash (available on Blender Market, ~$10-20) offers a native feel. It has a built-in spectrogram and allows you to manually drag viseme bars onto a timeline while listening to audio.
Automatically inserting keyframes on Blender's timeline for Shape Keys or Bone Poses to animate the mesh. 2. Tech Stack & Dependencies modifier on a Grease Pencil object to switch
Rhubarb relies on 6 to 9 specific mouth shapes. You must create these Shape Keys on your character model first: (closed mouth, neutral) B (slightly open mouth, teeth together like 'S' or 'T') C (open mouth, teeth apart like 'EH' or 'AE') D (wide open mouth like 'AA') E (slightly closed mouth, rounded lips like 'O') F (pursed lips like 'UW' or 'W') G (teeth touching lower lip like 'F' or 'V') Step 2: Setting up the Addon Download the Rhubarb Lip Sync Blender Addon from GitHub. Install it via Edit > Preferences > Add-ons > Install .
Open the Sidebar (N-panel) in the 3D Viewport and locate the Rhubarb tab. Your audio is loaded
Embracing automated lip sync within Blender radically accelerates your animation pipeline. Whether you choose the lightweight efficiency of open-source tools like Rhubarb or the cutting-edge power of AI-driven tools like Audio2Face, automating the viseme process frees up your time to focus on what matters most: acting, performance, and storytelling.