Unreal Engine MetaSounds
Epic Games
MetaSounds is the procedural audio system in Unreal Engine 5, providing audio designers with node-graph control over DSP graph generation for sound sources. It supports sample-accurate triggers, runtime modification via the MetaSound Builder API, and integrated spatialization, used in game audio, interactive media, and real-time virtual production.

History & Background
Introduced with Unreal Engine 5 in 2022 as a successor to the legacy SoundCue system. Distributed as a built-in subsystem of Unreal Engine; not available as a standalone product. Released under the Unreal Engine EULA (royalty model for commercial use above defined revenue thresholds).
Tool Type
Framework / SDK
License
Freemium
Functions
SynthesisSpatial MixingComposition
Platforms
WindowsmacOSLinux
Status
Actively Developed

