[Gamerphile]

Originally Posted by Tyll Hertsens

And here's the patent for the internal digital signal upsampling/processing patent ... not a chance of understanding it unless you're a cryptographer/DSPengineer.

Did someone say DSP-engineer with a hobby study in cryptography?
Tried it - the patent is really cool but much of it is just written in a very confusing way Something along the lines of using DSP to suppress the noise and such introduced by the specific process used which all in all total a very sweet DAC. I'll check back in 2 years when I'm done with all my DSP and audio courses and tell you the details