MIDI is an acronym for Musical Instrument Digital Interface. The is a communication protocol/language between electronic instruments and computers. Instead of actually sending an audio signal, MIDI sends "events" between devices. Events are things like "play a middle C note", "lower the volume", "change to instrument number 20", etc. MIDI is the common method of communicating these things. The MIDI standard defines specific numbers to each command and each note, so for example, to play a C-6, the MIDI device would actually transit "play note 84".
Since it was first introduced to the world in 1983, MIDI has become the de facto standard interface for communicating between musical devices.
MIDI can also mean the MIDI Interface, which is the industry standard cord and plug used to connect MIDI-compatible devices together.
Wednesday, September 10, 2008
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