Cloud UE Characters

Characters run inside the hosted UE renderer. The browser embeds the signed player URL and receives video and audio over WebRTC.

How It Works

The session gateway coordinates ASR/VAD, language generation, and Qwen3-TTS

Response audio drives Runtime MetaHuman Lip Sync inside the UE renderer

The browser receives rendered video and audio from the signed player URL

Bundled

Default MetaHuman runtime package for premium WebRTC sessions

UE package

Cooked into the UE renderer image and driven by worker-published coefficients

Custom

Integrated through the renderer build pipeline with camera, lighting, and material QA

Worker-to-UE coefficient ingest and signed player URL boundary

Custom character packaging and runtime ownership

Read the integration guide to package custom characters for the hosted renderer.