Summary of Maps and MIDI Messages

Following are the status bytes for MIDI messages and the map types that affect each message.

MIDI status Description Map types
0x80-0x8F Note off Channel maps, key maps
0x90-0x9F Note on Channel maps, key maps
0xA0-0xAF Polyphonic-key aftertouch Channel maps, key maps
0xB0-0xBF Control change Channel maps, patch maps
0xC0-0xCF Program change Channel maps, patch maps
0xD0-0xDF Channel aftertouch Channel maps
0xE0-0xEF Pitch-bend change Channel maps
0xF0-0xFF System Not mapped

 

  • The high-order four bits represent the status value. The low-order four bits represent the channel information.
  • Patch maps affect only controller 7 (main volume).
  • System messages are sent to all devices listed in a channel map.