2 solutions that I know of:
I went with the second option. I am using PD for the conversion to
midi (using the excellent
http://www.katjaas.nl/helmholtz/helmholtz.html) and as a bonus I have
the 6 individual signals that I can play with (panning, delay only on
B...). All this inspired by the work of:
http://rickygraham.com/research/ - i have yet to try pd2live.
The main difference is that I'm using USB to power the guitar and the
volume & switch on the guitar is available as a midi device (USB too).
Here's some photos of the setup:
https://dl.dropboxusercontent.com/u/1455235/hexaphonic_cables.jpg https://dl.dropboxusercontent.com/u/1455235/hexaphonic_box.jpg https://dl.dropboxusercontent.com/u/1455235/hexaphonic_pcb.jpg
à+