MetaSounds integration

Requirements and Limitations

Version Requirement

This integration works only on UE >= 5.3.

There's a separate version of RuntimeAudioImporter with MetaSounds support included: MetaSound RuntimeAudioImporter

Plugin Conflict

If you have the regular RuntimeAudioImporter plugin installed, please remove it before installing the MetaSound version.

Current Limitations

Due to scaling issues that are not resolved in MetaSounds yet, only Imported sound waves are supported, without their derived waves (e.g. Streaming and Capturable sound waves are not supported).

Setup Process

1. Enable MetaSound Plugin

First, you need to enable the MetaSound plugin for your project.

2. Configure MetaSound Graph

In the MetaSounds editor, create a new Imported Wave input, which should be converted to a Wave Asset type using the ImportedWaveToWaveAsset node.

After conversion, you can use all the same functionalities that are available for the Wave Asset type, such as playing it using the Wave Player node.

Implementation Workflow

1. Import and Prepare Audio

The workflow for importing audio data is the same as the standard RuntimeAudioImporter process. However, after your sound wave is ready, you must also call the appropriate function to prepare the sound wave for use by MetaSounds.

2. Set Wave Parameter

You can then set the wave parameter for your MetaSound's audio component and play it back as needed.

Complete Example

Here's a complete implementation example:

Blueprint Implementation

MetaSound Graph

Best Practices

When working with MetaSounds and RuntimeAudioImporter:

1. Always prepare the sound wave specifically for MetaSound using the PrepareSoundWaveForMetaSound function
2. Use the ImportedWaveToWaveAsset node to convert between types in the MetaSound graph
3. Remember that only Imported sound waves are currently supported (not Streaming or Capturable)