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Ambisonics

This section explains how to render ambisonic sounds using the Meta XR Audio SDK.

By the end of this document, you’ll be able to:

  • Route ambisonic sounds through the Meta XR Audio Plug-in.

  • Understand the ambisonic behaviors of the Meta XR Audio Plug-in.

[Note]Note

Before you can render ambisonic sounds using the Meta XR Audio Plug-in for Wwise, make sure to set up the sink plug-in. See Getting Started.

Implementation

With the Meta XR Audio sink plug-in set up, any sound is passed through the main mix bus created in the Prerequisites section.

To render ambisonic audio:

  1. In the Containers hierarchy, right-click the Default Work Unit and select Import Audio Files to import your ambisonic audio file.

  2. After the file is imported, select it in the Containers hierarchy to view its properties in an object tab.

  3. In the Property Editor, on the Routing tab, the Output Bus is set to Main Audio Bus by default. Click the ellipses to the right and change the output to the main mix bus.

[Tip]Tip

  • Rotating either the headset (the AudioListener) or the audio source itself affects the ambisonic orientation.

  • You can control the level of ambisonic audio sources in your scene by customizing the Volume Rolloff curve for each audio source.

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