FaceSync Brings Audio-Driven Facial Animation and Lip Sync to Unity

FaceSync, an audio lip sync and facial animation toolset by Frostember Studios, helps save time and optimize CPU performance by eliminating the need for real-time sync setup.

The toolset is a complete audio-driven facial animation ecosystem for Unity. It will come in useful for artists working on mobile or VR games, AAA cinematic cutscenes, or VTubing avatars.

Key features include an offline baking system that simulates audio at 60 FPS in the editor, baking visemes, procedural head noise, and blinks into an optimized asset that plays back at zero CPU cost at runtime. The toolset integrates natively with Unity's Timeline, allowing users to drag and drop baked data through a custom FaceSync Track system, blend animations, and override eye and head behaviors directly from the Timeline Inspector.

Procedural eye and head motion bring characters to life with realistic blinking, saccadic eye movement, and micro-jitters, while the head and neck react to voice intensity using Perlin noise. A one-click setup supports ARKit and Character Creator 3 and 4 rigs, dropping the need to manually assign dozens of blendshapes. A Live Microphone mode makes the toolset suitable for VTubers and multiplayer voice chat.

Other features include an automated Setup Wizard that gets a character fully rigged and talking in under 30 seconds, an emotion profiles module for blending custom facial expressions with active lip-sync, and an IK look tracking system that makes characters dynamically follow any object or player in the scene. 

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