The Common Midi Normal - For The Budding Electro-Musician
One of many problems as soon as faced by wanna-be MIDI musicians was that humans learn musical notes otherwise than MIDI sound modules. To oversimplify, we use letters to represent every be aware (“C sharp in the fourth octave, for example), and MIDI sound modules use numbers. Since most MIDI sound modules can play as much as 128 notes, a MIDI sound module will quantity them from 0 to 127. The problems arose when completely different manufacturers started utilizing different numbers to correspond with completely different notes. A C sharp in the sixth octave would possibly correspond to number sixty one on sound modules made by one producer, and to a forty nine on one made by another. We’re talking severe chaos here - think about what it would do to your composition should you made it on a Roland and tried to play it on another manufacturer’s sound module. Even worse, some very disorganized producers assigned different numbers to different notes even in the same sound module depending on which instrument you played. In different phrases, you just about needed a level in computer science to figure all of it out, and composing a music meant about 3 instances as a lot grunt work as precise composing.
The Normal MIDI commonplace organized this musical chaos by decreeing that every one GM -compliant patches should play an A440 pitch in response to a MIDI command that included the MIDI notice quantity 69. All different MIDI note numbers had been calibrated in keeping with this customary so that the identical observe number would play the same be aware on any GM-compliant sound module, regardless of who manufactured it. Drum sounds were equally standardized; with 48 MIDI notice numbers standardized to correspond with forty eight explicit drum sounds. For these of you curious about a bit more detail, MIDI Channel 10 is reserved because the default channel for drum sounds. So as long as you pound out your drum elements using the GM standardized codes, and you’ll want to use MIDI channel 10 for the drum components of your composition, you shouldn’t be in for any nasty suprises whenever you attempt to play your composition.
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