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.