Select your audio file (and optionally, a dialog file), set the start frame where the dialogue begins, and click the "Generate" or "Run" button. The add‑on will process the audio and automatically place keyframes on your character's mouth controls.
Download the latest Rhubarb LipSync add-on zip file from GitHub, along with the Rhubarb executable component for your operating system (Windows/Mac/Linux).
Listen to the audio, pause at obvious phonemes like "M," "EE," or "OO," and keyframe the corresponding mouth shape at 100%. This creates a sequence of "phoneme beats" that gives you a structure to continue work.
Auto lip sync in Blender has evolved from a niche novelty to a genuinely production‑ready tool that can save animators countless hours of repetitive work. The key to success is choosing the right tool for your specific needs, understanding its strengths and limitations, and treating automation as a powerful starting point rather than a final solution. auto lip sync blender
In the add-on preferences, point the file path to where you extracted the Rhubarb executable application. Step 3: Run the Automation
If you need your character to form actual words, pronounce consonants, and look truly realistic, you need a phoneme analyzer. is a highly popular, open-source command-line tool that has been integrated seamlessly into Blender via various community add-ons. How Rhubarb Works
If your character uses a bone-based facial rig rather than raw shape keys, you will need to link your shape keys to bone transformations using , or use an addon that natively supports bone rigging. 3. Top Methods for Auto Lip Sync in Blender Select your audio file (and optionally, a dialog
This comprehensive guide explores everything you need to know about auto lip sync in Blender: the best tools available, how to set them up, step‑by‑step workflows, and professional tips to get the most out of automated mouth animation.
When every minor sound gets its own mouth shape, the result is unnatural, fluttery movement—sometimes called "motor mouth." Don't be afraid to let your character rest in neutral or hold a shape longer than the automation suggests.
Enter , select the lower jaw/lip vertices, and move them down to simulate an open mouth. Listen to the audio, pause at obvious phonemes
In Blender, go to Edit > Preferences > Add-ons and click Install . Select the downloaded zip file.
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