Todo: collect and clean up Quartus projects + add software source --> done 100% working
Status 13/8-2016
Hardware fully functional ... and sound very great and smooth.
Software part contained in sister project HolosynthED parked in in work branch there. (framebuffer in 4.1+ kernel help needed)
https://github.com/the-snowwhite/HoloSynthED
I you find this interesting please share your interrest and support getting the last missing bits and pieces online by at least indicating, your actual interrest actively.