USER        PID ACCESS COMMAND
/dev/snd/controlC0:  sampo      1631 F.... xfce4-mixer-plu
                     sampo      1657 F.... pulseaudio
                     sampo      1689 F.... xfce4-volumed
/dev/snd/controlC29: sampo      1631 F.... xfce4-mixer-plu
                     sampo      1689 F.... xfce4-volumed