In addition to Virtual Instruments which accept MIDI notes and render audio, Mixbus also supports “MIDI plugins” or MIDI filters.
What is a MIDI Filter?
A MIDI Filter is a plugin that has only MIDI I/O, and no audio I/O. A MIDI filter can change the incoming MIDI stream ( forcing all events to a given velocity, for example ) or a MIDI Filter can generate its own MIDI stream ( such as an arpeggiator or algorithmic-music-creation plugin )
How do I add a MIDI Filter to a track?
MIDI Filters appear in the Plugin Manager just like plugins. But by default they are not shown. To display MIDI filters, click the small “Utils” button in the plugin manager twice, so it is highlighted & filled:
What MIDI filters are supplied with Mixbus?
It is also possible to create your own cross-platform MIDI filters using Lua scripts