UE Audio System

Target engine: UE 5.8. APIs below are verified against the 5.8 headers; older forms are listed under "Deprecated — do not use".

Covers sound assets, playback from C++, attenuation, concurrency, sound classes and mixes, submix/bus routing, MetaSounds, modulation, Quartz and analysis. Engine-side code lives in Engine/Classes/Sound and Components/AudioComponent.h (module Engine), the mixer in AudioMixer, and the parameter interface in AudioExtensions. Plugin modules: MetasoundEngine / MetasoundFrontend (MetaSounds), AudioModulation, AudioSynesthesia (Beta in 5.8), SubtitlesAndClosedCaptions (Beta in 5.8).

// MyGame.Build.cs
PublicDependencyModuleNames.AddRange(new string[] { "Engine", "AudioMixer", "AudioExtensions" });
PrivateDependencyModuleNames.AddRange(new string[] { "MetasoundEngine", "MetasoundFrontend", "AudioModulation" });

Context

Read .agents/ue-project-context.md if it exists (module names, conventions, enabled plugins, GAS/networking setup). Do not stop if it is missing.

Identify the area from the request and the codebase. Ask only when two plausible readings would produce different code.