Installation
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* Latest kernel and alsa package available.
* I downloaded the ccrma kernel which includes low-latency patches from planetccrma.atrpms.net (no must have, but good to have)
* Compile snd-seq, snd-usb-audio, snd-pcm-oss, snd-mixer-oss, snd-pcm, snd-timer, snd-usb-lib, snd-rawmidi, snd-seq-device.
* This device uses the snd-usb-audio driver by Takashi Iwai.
* modprobe.conf configuration is easy with fc3 as kudzu takes care of it.
* Make sure you don't connect the device to a external hub that doesn't support isochronous transferring or your machine will most probably crash when testing playback in xmms or such.
* Create a entry in .asoundrc or the system-wide configuration file to upsample 44,1kHz sound to 48kHz. It is here the crackling lay.
* Simple .asoundrc config: http://www.mail-archive.com/alsa-user@lists.sourceforge.net/msg12831.html
* Use this page as inspiration for setting what card as default: http://www.mail-archive.com/alsa-user@lists.sourceforge.net/msg13839.html
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* Yet to figgle with the surround settings...
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It shouldn't be impossible to map the other features like the master volume control and microphone volume control physically on the device, but I have not gotten into that. (yet)
The same is with the remote control. I will sit down when I get some time and figure it out. Remember seeing someone who published something on this exact device for linux.

Have fun!