This video features two AI-powered avatars brought to life using NVIDIA Audio2Face and Unreal Engin.Their facial expressions and lip-sync are driven by real-time audio, while the dialogue is generated by NotebookLM with SideFX Documentation HDK, creating a natural and interactive conversation. The combination of AI-driven dialogue and high-quality visuals from Unreal Engine results in a fully immersive, lifelike experience.