Musical Instrument Digital Interface, - Hol.gr
Musical Instrument Digital Interface, - Hol.gr
Musical Instrument Digital Interface, - Hol.gr
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To look at some specific examples of MIDI binary information, you may want to download two more<br />
MAXplay pro<strong>gr</strong>ams that demonstrate what occurs when a note is turned on and the relationship of the<br />
keyboard notes to hexadecimal, decimal and binary information.<br />
• MIDI Note On(MAXplay document) (17k)<br />
• MIDI Note Conversion (MAXplay document) (17k)<br />
Specific examples of MIDI data structures<br />
Turning on a MIDI Note<br />
Binary code 10010000 00111100 01110010<br />
Hexadecimal 9 0 3 C 7 2<br />
9 0 Status Byte Note On with MIDI channel 1.<br />
3 C<br />
Data Byte, that is the actual note which is the 60th note on a range of 0 to 127, which is<br />
Middle C.<br />
7 2<br />
The key velocity information on how fast the note was pressed. This data byte also has a<br />
range of 0 to 127. A higher velocity will create more volume with the sound.<br />
Creating a Pro<strong>gr</strong>am Change<br />
Binary code 11001111 00011010<br />
Hexadecimal C F 1 A<br />
C F Status Byte Pro<strong>gr</strong>am Change on MIDI channel 16.<br />
1 A<br />
Data Byte that is the actual pro<strong>gr</strong>am number that was pressed on the synthesizer. The<br />
pro<strong>gr</strong>am would be the 26th pro<strong>gr</strong>am setting. That is (1 x 16) + (A, which is 10)<br />
Using the Sustain Pedal<br />
Binary code 10110111 01000000 01111111<br />
Hexadecimal B 7 4 0 7 F<br />
B 7 Status Byte Control Change on MIDI channel 8.<br />
4 0 Data Byte that selects sustain pedal as a controller.<br />
7 F Data Byte that turns on the sustain pedal.
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