This is the heart. It works as a VST3, AU, or AAX plugin inside your DAW (Logic Pro, Ableton Live, Cubase, Reaper, Pro Tools) or as a standalone application. You route your guitar input into MG3, and it spits out MIDI to any virtual instrument on your computer.
For pure convenience and technological advancement, MG3 is the winner for 95% of users. Only professional touring artists with extreme stability requirements or vintage synth collectors might prefer the Roland hardware route. Jam Origin Midi Guitar 3
According to Jam Origin , the desktop version generally requires: This is the heart
: Features an updated polyphonic pitch detection algorithm designed for lower latency and improved accuracy when converting guitar signals to MIDI notes. Jam Origin Midi Guitar 3