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Specifies the number of output audio channels you wish to mix up or down to
Viewer-Side Option! (&view, &scene, &room)


Example: &channels=4
(integer value)
number of audio output channels


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:
If looking to set the number of input channels, rather than output, please see &inputchannels instead.