Pipewire configuration to send both USB 1-2 and USB 3-4 to Mackie ProFX10v3 with Ubuntu 24.04.02 LTS
- https://docs.pipewire.org/page_module_combine_stream.html
- https://askubuntu.com/questions/1484961/how-do-i-combine-left-and-right-channel-into-mono-channel-with-pipewire
- After installing the following file then run
systemctl --user restart pipewire* wireplumber.service
# ~/.config/pipewire/pipewire.conf.d/combine-front-to-back.conf
context.modules = [
{ name = libpipewire-module-combine-stream