Rhubarb is a free, command-line tool that has been integrated into Blender via various community add-ons (such as the Blender Rhubarb LipSync add-on). It is highly optimized for stylized, cartoonish, or standard 3D characters.
Even the best auto lip sync tools benefit from human refinement. Here are professional tips for polishing your results.
This is the fastest "no-plugin" method for a simple jaw-bounce effect.
Open the Rhubarb panel in the Sidebar (press in the 3D Viewport). Select your target target (Shape Keys or Bone Poses).
Shape keys are the industry standard for facial animation in Blender. You distort the mesh to create specific mouth shapes, which can then be dialed in from 0.0 (closed/neutral) to 1.0 (fully open). The Viseme Standard
2D Grease Pencil characters and bone-based 3D rigs.
# Reset it to 0.0 a few frames later so it doesn't stay stuck open key_blocks[viseme].value = key_blocks[viseme].keyframe_insert(data_path= , frame=frame + # To test: select your mesh and run # apply_lip_sync(bpy.context.active_object, lip_sync_data) Use code with caution. Copied to clipboard 5. Advanced Considerations for Polish Dynamic Falloff:
Select your character rig and assign the head.
Download the latest Rhubarb LipSync add-on zip file from GitHub, along with the Rhubarb executable component for your operating system (Windows/Mac/Linux).
