Ferramenta para Cria dispositivos de loopback no PipeWire. Mais informações: https://gitlab.freedesktop.org/pipewire/pipewire/-/wikis/Virtual-Devices.
pw-loopback
pw-loopback -m '{{[FL FR]}}' --capture-props='{{media.class=Audio/Sink}}'
pw-loopback -m '{{[FL FR]}}' --playback-props='{{media.class=Audio/Source}}'
pw-loopback -m '{{[FL FR]}}' --capture-props='{{media.class=Audio/Sink}}' --playback-props='{{media.class=Audio/Source}}'
pw-loopback --capture-props='{{media.class=Audio/Sink audio.position=[FL FR]}}' --playback-props='{{audio.position=[FR FL]}}'
pw-loopback --capture-props='{{audio.position=[FR FL]}}' --playback-props='{{media.class=Audio/Source audio.position=[FL FR]}}'