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@SteelAngel

tells us that you use Knoppix V6.4.4 with 32bit kernel.

There are two sound cards installed in your system. Sound card #0 is and sound card #1 is Both cards use the kernel...

I think that it would be helpful to know the output of the following commands

cat /proc/asound/cards
sudo hwinfo --sound
sudo lspci
uname -a