COMMAND    PID    USER   FD   TYPE DEVICE SIZE NODE NAME
mixer_app 4456 zakaria   17u   CHR  116,6      7059 /dev/snd/controlC0
/usr/bin/ 4601 zakaria   79u   CHR  116,4      7037 /dev/snd/pcmC0D0p
/usr/bin/ 4601 zakaria   80r   CHR  116,2      6893 /dev/snd/timer