I'm guessing they are using some sort of stretching algorith. That way you can adjust both key and tempo of an audio loop without getting chipmunky And if you break up chords for the audio instruments into the four major groups (major, minor, dominant and diminished) you only need four loops per instrument per style. You can then use the MIDI instruments in the arrangement to add those missing notes. In a band it is rare that every member play the full voicing of a chord.

Well that is my theory, without knowing anything about how Ketron actually has aproached this

Techincally if you stream the loops from a drive, this is actually programatically less stress to solve than a full scale MIDI autocomp engine. You can also add a couple extra bass loops where the bass player just stays on one note, that way you can handle inversions by just transposing that.

If you use an SSD drive you woun't have to worry about wobbling about with the board

Doc-Z

[This message has been edited by doc-z (edited 02-22-2008).]