&channels
Specifies the number of output audio channels you wish to mix up or down to
Viewer-Side Option! (&view, &scene, &room)
Options
Example: &channels=4
Details
Left and right is available for most users; channels 1 and 2
Up to 6-channels is possible, if your output device supports it.
On Windows, you might need to select 5.1 surround sound with your device in the Windows audio settings.
On macOS, you might want to consider using SoundFlower, as it seems the most correct with its routing.
Designed to be used with &channeloffset.
Please see here for detailed testing results with different audio devices: https://docs.google.com/spreadsheets/d/1R-y7xZ2BCn-GzTlwqq63H8lorXecO02DU9Hu4twuhuA/
If looking to set the number of input channels, rather than output, please see &inputchannels instead.
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