Open USB Audio Interface

[Outerspace]

Hi all

What with open hardware projects such as arduino etc.. why don't we start an open USB audio interface project ?

Some pages of inspiration, but not found anything yet directly related with getting multichannel music in and out:-

Open DJ mixer
http://www.auroramixer.com/about.html

Open-source dac that seems to be related to radio hams

http://www.yoyodyneconsulting.ca/pages/YC-USB9023.html