If you need to map, filter, and process MIDI events in specific ways, the MIDI Solutions Event Processor may be exactly the solution you are looking for

The Event Processor offers 10 settings, each of which can be programmed with a unique MIDI processing function (for 32 settings see the Event Processor Plus)

By combining these settings the Event Processor becomes an extremely powerful tool capable of processing MIDI events in almost any way imaginable

You can map MIDI events or ranges of MIDI events to other MIDI events, filter MIDI events or ranges of MIDI events, trigger MIDI events, toggle between MIDI events, sequence through MIDI events, scale or crossfade MIDI messages, transpose notes, scale velocities, map to and from System Exclusive, NRPN, Bank Select messages, store incoming values in variables for later use..

the Event Processor is like a swiss army knife of MIDI processing products, an indispensable tool in any MIDI musician's arsenal.