Getting Started

Prerequisites

• Unreal Engine 5.7+
• Metasound engine plugin (enabled by default in UE5)

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Installation

1. Copy the LLMMetaSound plugin folder to your project's Plugins/ directory
2. Open your project in Unreal Editor
3. Enable the Metasound plugin if prompted
4. The plugin is ready — no additional setup needed

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Basic Workflow

1. LLM generates .llmmetasound — AI outputs JSON with your audio graph definition
2. Open Panel — Window → LLM MetaSound
3. Generate — One click creates the MetaSound asset
4. Iterate — Modify JSON, regenerate, or export existing MetaSound back to JSON

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File Location

Place .llmmetasound files in your project's Content/ folder:

YourProject/
└── Content/
    └── Audio/
        ├── TriangleSub.llmmetasound
        ├── SawDiscord.llmmetasound
        └── MySound.llmmetasound

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Build Verification

Before distributing or submitting to a marketplace:

1. Delete Intermediate/, Binaries/, Build/, Saved/ folders inside the plugin directory

2. Run a full rebuild from a clean Intermediate state:

   UnrealBuildTool BuildPlugin -Plugin="path/to/LLMMetaSound.uplugin" -Platform=Win64 -Configuration=Development

3. Confirm zero errors and zero consequential warnings