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What is MIDI?
This section is intended to acquaint the novice to what MIDI is and what you can do with it. If you are familiar with MIDI, you can skip this section.
MIDI is the acronym for: Musical Instrument Digital Interface
MIDI is a standard protocol used to control electronic musical instruments (ie. Accordions, Keyboards…)
It empowers the user to sound like any number of different instruments using only a single instrument equipped with a MIDI controller and a MIDI compatible tone generator such as a keyboard or sound module.
The signals that are sent through the MIDI cable are digital control messages, not audio. These digital signals can only be generated by a computer such as the Micro-Computer installed with every LIMEX MIDI system.
MIDI is an international standard that enables electronic musical instruments from different manufacturers to communicate and work together. You can play your LIMEX MIDI equipped accordion through your favorite sound module, regardless of its make. Simply designed, your LIMEX MIDI is just as simple to use. For example, if you press a "C" note on the treble side of your LIMEX MIDI equipped accordion, this keypress is recognized by a sensor over the key which triggers the control electronics in the LIMEX MIDI to send a message to a MIDI sound module. The result is that the sound module plays the correct "C" note. This all happens in a few milliseconds so the delay is undetectable to the player.
What is possible with MIDI?
Play with bellows dynamics
Control 16 MIDI Channels differently
This list is by no means exhaustive. Rather than get too ahead of ourselves, suffice it to say that there is a wide variety of parameters that can be controlled through MIDI.
What is a MIDI Channel?
A MIDI Channel is much like a cable television channel. Different television programs are sent over one cable, yet there is no confusion which program is sent on which channel. In much the same way, control data is sent across the MIDI cable on different channels so that the user can control several different sounds at once.
The MIDI standard allows for up to 16 MIDI channels and therefore, 16 different sounds to be uniquely controlled.
In order for the MIDI Sound Module to sound correct, it is imperative that its MIDI channels be set correctly for each instrument.
This is done by the technician installing the LIMEX MIDI system and then by the accordion player as he/she learns more about channels if desired.