The audio amplitude will now automatically drive the mouth opening and closing in perfect sync with the volume of the audio. Method 2: Rhubarb Lip Sync Add-on (Best Free Option)
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.
Rhubarb analyzes your audio file and generates a timed list of basic visemes (designated by letters A through H). Setup and Workflow auto lip sync blender
If you want to try auto lip sync immediately without buying add-ons, here is the standard workflow using Blender’s native capabilities:
Download the Rhubarb executable core file (if not bundled) and point the addon preferences to its file path. Step 3: Generating the Animation The audio amplitude will now automatically drive the
Select your character's mesh. In the Object Data Properties panel, create a "Basis" shape key, and then a second shape key named "Mouth_Open". Edit the mesh to make the mouth wide open.
Auto Lip-Sync in Blender: A Survey of Methods, Tools, and Practical Workflows Rhubarb analyzes your audio file and generates a
Fortunately, in 2026, has matured into an efficient, AI-driven process. No longer do you need to manually keyframe every jaw drop and lip purse. By leveraging automated tools, you can reduce days of work into mere minutes.
Select the newly created channel, click on in the top menu, and select Bake Sound to F-Curves . Choose your audio file.
, the process has become significantly more streamlined with a native, built-in solution.
Shape Keys (Blendshapes)