USER        PID ACCESS COMMAND
/dev/snd/controlC1:  pb         1888 F.... pulseaudio
                     pb         1908 F.... xfce4-volumed
/dev/snd/controlC0:  pb         1888 F.... pulseaudio
                     pb         1908 F.... xfce4-volumed
/dev/snd/pcmC0D0p:   pb         1888 F...m pulseaudio