High VRAM requirement (NVIDIA RTX card required). Setup is complex. Upside: The output looks shockingly alive. It solves the "dead eyes" problem that normal lip sync creates.
Drivers and Animation Nodes / Geometry Nodes / Python auto lip sync blender
Always use clean, isolated voice tracks in .wav format for the best analysis. High VRAM requirement (NVIDIA RTX card required)
: The most common method. You create several "Shape Keys" in the Mesh Properties panel for each mouth position. It solves the "dead eyes" problem that normal
There are several ways to achieve auto lip sync depending on your character type (3D mesh vs. 2D Grease Pencil).
In Blender, you can automate lip-syncing by using add-ons that map audio phonemes to your character's mouth poses (visemes). As of 2026, several streamlined tools are available directly through Blender's Extensions system or as specialized plugins. 1. Built-in "Lip Sync" Add-on (Extensions) Blender now includes a native Lip Sync extension