Messages Supported

MIDI uses byte command messages to control a synthesizer. Detailed explanations of these Messages can be found in any MIDI text book or here.

The ME series products support the following Channel Voice Messages:

Command Meaning
0x8_

Note Off - turn off a note. Corresponds to releasing a key on a music keyboard. The sound may continue for awhile after the NoteOff command is received.

0x9_

Note On - turn on. Corresponds to releasing a key on a music keyboard.

0xB_

Control Change - change the sound of the notes on a channel. A list of supported controllers is here.

0xC_

Program Change - select the instrument. General MIDI defines what instrument is mapped to which index. A list of instruments is here.

0xD_

Channel Pressure (Aftertouch) - specifies how hard the keyboard is pressed. Maps to modulation depth.

0xE_

Pitch Bend - offsets the tuning for all of the notes on a channel.

The ME Series products support the following System Messages:

Command
Meaning
0xF1

System Exclusive - the only SysEx messages currently recognized are the SP-MIDI MIP message, and the General MIDI On/Off message.

The General MIDI On Command is:

0xFF, 0x7E, 0x7F, 0x09, 0x01, 0xF7

The General MIDI Off Command is:

0xFF, 0x7E, 0x7F, 0x09, 0x02, 0xF7 

Please see the MIDI Specification for more information on these commands.

0xF7

SysEx End - terminate a system exclusive command


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