http://m.youtube.com/watch?v=mqh8jxF89y ... qh8jxF89yI
Seems to be based around or related to ring modulation
http://electro-music.com/forum/phpbb-fi ... od_140.pdf
Any developers out there interested in having a go at this?
Cheers

Edit: just saw the following related request
http://forums.planetz.com/viewtopic.php ... cy+shifter
So will take a look at the frequency shifter module and see if that will do the job. But I'll leave my post here in case anyone wishes to reply. Thanks lads.