USER        PID ACCESS COMMAND
/dev/snd/controlC2:  ubuntu     2968 F.... pulseaudio
                     ubuntu     4994 F.... pulseaudio
/dev/snd/controlC1:  ubuntu     2968 F.... pulseaudio
                     ubuntu     4994 F.... pulseaudio
/dev/snd/controlC0:  ubuntu     2968 F.... pulseaudio
                     ubuntu     4994 F.... pulseaudio