How to Build a Real‑Time AI‑Powered 3D Digital Human with Unreal Engine

This guide explains the architecture of an interactive digital‑human system, walks through 3D avatar creation with Unreal Engine, details the AI controller that combines ASR, LLM and TTS, and provides step‑by‑step instructions for deploying the open‑source Fay project.

AI AvatarASRDigital Human

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How to Build a Real‑Time AI‑Powered 3D Digital Human with Unreal Engine