Doesn't work with Multi-Output Device

[zachschrock]

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Description of the bug
I use the Mac OS Multi-Output Device setting found in the "Audio MIDI Setup" app, in order to have audio play out of all 3 of my Mac Studio Displays evenly. When installing Background Music none of the audio sliders actually change the volume.

Steps to reproduce
Use Multi-Output Device setup and I think the app wont control the audio volumes.

Versions

Please complete the following information.

• Background Music: 0.4.0
• macOS: 13.5.1 (22G90)

Hardware

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Mac Studio Apple M1 Ultra 2022
Mac OS Multi-Output Device

Other info
Screenshots attached of audio setup: https://imgur.com/a/MCDm1sH

[kyleneideck]

I'm not sure why using a multi-output device as the output would affect the app volumes. The app volumes are applied before Background Music plays the audio to the output device.

Are you sure the Background Music device is set as your system's default output device? Also worth testing changing the volumes of other apps. It could be that Roam is playing audio to your multi-output device even if it's not the system's default output device.