- Windows 10/11
- Unreal Engine 5.7
- Visual Studio 2022 with C++ game development workload
- MSVC v143 toolset and Windows 10/11 SDK
- Audio input device (microphone/interface) for capture enumeration
- Audio output device (speakers/headphones/interface) for mixer output enumeration
- Core
- CoreUObject
- Engine
- InputCore
- EnhancedInput
- AudioMixer
- AudioMixerCore
- AudioCaptureCore
- Slate
- SlateCore
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List Audio INPUT
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List Audio OUTPUT
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5 Audio Tracks
- Play
- Volume Sliders (0-1)
Each Audio Track loads audio DSP blueprints (MetaSounds BP)
- /Content/METASOUND1.uasset
- /Content/METASOUND2.uasset
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FAudioUE57TemplateModule
- Hooks engine/world lifecycle delegates on startup and cleans them up on shutdown.
- Injects a custom Slate audio panel into the game viewport after engine/world init.
- Reapplies Game+UI input mode for startup stability so panel mouse interaction remains reliable.
- Initializes and manages 5 mixer tracks with per-track volume state.
- Loads MetaSound assets from /Game/METASOUND1 and /Game/METASOUND2.
- Creates and owns UAudioComponent instances for configured tracks.
- Enforces exclusive playback: pressing Play on one track stops the others.
- Destroys audio components and viewport widgets during world cleanup and module shutdown.
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SAudioPanelWidget
- Renders a Slate-based mixer UI with an audio I/O report area and 5 track strips.
- Provides per-track vertical volume sliders with clamped values (0.0-1.0).
- Emits OnPlayTrackRequested and OnTrackVolumeChanged delegates to module runtime logic.
- Shows transport-style buttons per track (Play, Mute, Solo, FX, Rec).
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AudioIO utilities
- BuildAudioIOReportText builds a UI-friendly report for output and input devices.
- PrintAllAudioInputAndOutputDevices writes detailed device diagnostics to UE logs.
- Uses preferred output-device cache path with fallback enumeration when cache is unavailable.
- Enumerates capture devices and reports channel count, sample rate, and hardware AEC support.
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