riveravaldez wrote: > But this not, even as sudo (and the error is similar to JACK one): > $ aplay -vv -D front:CARD=PCH,DEV=0 /usr/share/sounds/alsa/Noise.wav > aplay: main:830: audio open error: Device or resource bussy aplay -vv -D plughw:CARD=PCH,DEV=0 /usr/share/sounds/alsa/Noise.wav read this https://wiki.archlinux.org/index.php/Advanced_Linux_Sound_Architecture you should know what you are doing