Play and record audio files through pipewire. More information: https://fedoraproject.org/wiki/QA:Testcase_PipeWire_PipeWire_CLI.
pw-cat --playback {{path/to/file.wav}}
pw-cat --quality {{0..15}} --playback {{path/to/file.wav}}
pw-cat --record --volume={{0.1}} {{path/to/file.wav}}
pw-cat --record --rate={{6000}} {{path/to/file.wav}}