[root@aronnetbook aron]# lsof /dev/snd/*
COMMAND  PID USER   FD   TYPE DEVICE SIZE/OFF  NODE NAME
kded4   1102 aron   23u   CHR  116,5      0t0 10540 /dev/snd/controlC0
kded4   1102 aron   29u   CHR  116,8      0t0 10543 /dev/snd/controlC1
kmix    1251 aron   12u   CHR  116,5      0t0 10540 /dev/snd/controlC0
kmix    1251 aron   15u   CHR  116,8      0t0 10543 /dev/snd/controlC1