Something
public text v1 · immutablebobby@bobby-ubuntu:/media/mystuff/new pics/vid 2$ lsof /dev/snd/* /dev/dsp*
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
mixer_app 4962 bobby 17u CHR 116,7 8129 /dev/snd/controlC0
bobby@bobby-ubuntu:/media/mystuff/new pics/vid 2$