Optional Channel Mapping

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Audio devices usually have two or more channels, each of which can carry distinct audio. For example, a stereo microphone has both left and right channels. By default, Loopback will automatically map your Audio Sources to the virtual device's output channels. This is likely to be what's needed.

For custom channel configurations, switch the Channel Mapping to “Manual” mode. Robust custom configurations are possible by dragging channels from the Audio Sources table to the Channel Mappings table.