Hi Clemens, > Quick guide: > > The bXxxxxID and bSourceID fields specify how the > units/terminals are connected together. > > In the bmaControls field, index 0 has controls acting on > all channels, while index 1 and greater specify controls > acting on that specific channel only. thanks a lot. But now, it really gets too difficult for me. Anyway, I managed to set up my card as desired, and I have made screenshots of alsamixer - maybe I'll print them out and nail it to the wall for later reference ;-) . BTW: The aureon really works out of the box with the snd-usb-audio-driver and is a card at a reasonable price for the home musician I think. Mixing the Aureon is more difficult. I found some pics of the windows control panel on the web, which is much more understandable. Should I ask Terratec for providing a nice QT mixer GUI for it ;-) ? Concerning the AC 97 card, I followed your hint and got a sample block diagram which made me better understanding the settings of kmix; I plan to derive a free diagram from it and put it somewhere on the net. Thanks for your support & best regards ce