Hover over the shape key value (0.0) and press to insert a blank keyframe. Open the Graph Editor window. Go to Channel > Bake Sound to F-Curves .

Assign your custom shape keys to the corresponding Rhubarb letter fields (A, B, C, etc.). Select your audio file in the panel drop-down menu. Click .

Click "Generate" to apply the keyframes to the timeline. Techniques for Realistic Lip Syncing

The auto lip sync blender software uses a combination of natural language processing (NLP) and computer vision to analyze the spoken dialogue and generate corresponding lip movements. Here's a step-by-step overview of the process:

Using an iPhone with a TrueDepth camera, you can use apps like or Face Cap . Enable the FaceMotion3D or Live Link add-on in Blender. Connect your phone and computer to the same Wi-Fi network.

Assumption: you have shape keys for visemes (rest, MBP, FV, U, O, A, E, etc.)

The visual position of the mouth when uttering a specific phoneme (sound unit).

Is your character rig using or a Bone-based armature ?