1 – classic whammy with no alteration of dry sound when the pedal is up.
2 – polyphonic pitch shifter with level pan and filter controls.
3 – intelligent 3 part harmonizer (duh).
4 – doubling / detuning effect.
5 – classic analog (Boss OC2) style 1 / 2 octave down.
6 – octavia style "dirty octave"
7 – you should have control over wet AND dry level and panning, and a good control for pitchshifted tone / timbre
8 – also could include multiband processing for pitchshifting and distortion.
