MPMMM

MPMMM is short for Midi Poison Midi Message Modifier.
This linux executable uses Alsa Library thanks to those coders we are able to edit midi on the fly. The example provided flips the input midi signal mirrored on middle d of the keyboard if you press middle c it plays middle e instead.

Ideas not yet implemented
*plugin or script writer for users to customize midi mods
*scalar mute limits all notes to selected scale
*selected harmonization you select one of 15 chord voicings and it arpeggios notes or plays together effectively 1 key chords
*symmetrics involves two varables list of notes to be played custom scales or partials and the a note to symettrically harmonize around this is a form of songwriters prose I am developing.
*bankers mod allows per key patching
*selecting of center key for keyflip
*harmonized keyflip
*tables or hash for quicker midi modifier module