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Another process is using Microsoft Spatial Sound objects. Some audio objects may be mixed.

On Windows, there is a limited number of Microsoft Spatial Sound objects that must be shared across all currently running processes, including games and applications. If you see this message in the Capture Log, it means the sound engine was unable to reserve these objects because another process has already reserved them. The result is that any Audio Object that would normally have been sent out as a System Audio Object will instead be mixed to the Main Mix.

Probable causes:

  • The Wwise authoring tool is reserving all system objects, preventing the game running on the same PC from using them.

  • Another game or application using Microsoft Spatial Sound is running in the background.

Recommended resolution steps:

  • If you are trying to audition System Audio Objects from within Wwise, first make sure to stop all other applications or games using the Microsoft Spatial Sound API. Then, from the Wwise menu, click Audio > Authoring Audio Preferences and select the Enable System Audio Objects option.

  • If you are trying to hear System Audio Objects from a game running alongside Wwise on the same PC, first make sure to stop all other applications or games using the Microsoft Spatial Sound API. Then, from the Wwise menu, click Audio > Authoring Audio Preferences, and deselect the Enable System Audio Objects option. This prevents Wwise from reserving system objects, allowing your game to acquire them.

[Note]Note

Some versions of Windows have a bug that prevents active Spatial Sound streams from acquiring objects after they are freed by another process. The stream must be restarted in order to acquire them.

If you are certain your game is the only process using Microsoft Spatial Sound and you still see this error in the Capture Log, you may have to restart the sound engine in order to circumvent the bug.

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