UDK is Unreal Engine 3 – the complete professional development framework. All the tools you need to create great games, advanced visualizations and detailed 3D simulations. The best tools in the industry are in your hands.
UDK ships with FaceFX, the cutting-edge solution that enables developers to create realistic facial animation from audio files.
FaceFX makes it easy to batch process thousands of WAV files for your game, add expressions to a single animation without ruining the lip-synchronization, tweak an animation to perfection, or integrate the entire solution into your art pipeline.