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Unreal Engine 5C++MetasoundSlate UIMVVM

Metasound Playground

Creator & DeveloperAlakangas Media2025-present

Metasound Playground is a custom Unreal Engine 5 editor tool that solves a fundamental workflow limitation: the inability to preview spatial audio without entering Play mode.

Every time I wanted to hear how a sound worked at distance, I had to enter Play mode, navigate to the right spot, listen, exit, adjust, repeat. That 30-second loop was killing productivity. So I built a tool that does it in 2 seconds.

The tool provides an XY spatial positioning pad, real-time parameter editing, transport controls, and visualization of attenuation spheres-all within the editor.

Key Highlights

  • C++ only, MVVM architecture
  • Spatial audio preview with XY positioning pad
  • Real-time parameter editing and visualization
  • Solves core UE5 workflow limitation
  • Reduces audio iteration time from 30s to 2s

Technologies Used

Unreal Engine 5C++MetasoundSlate UIMVVM