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Programming Windows®, Fifth Edition by Charles Petzold

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MIDI and Music

The Musical Instrument Digital Interface (MIDI) was developed in the early 1980s by a consortium of manufacturers of electronic music synthesizers. MIDI is a protocol for connecting electronic music instruments among themselves and with computers. MIDI is an extremely important standard in the field of electronic music. The MIDI specification is maintained by the MIDI Manufacturers Association (MMA), which has a Web site at http://www.midi.org.

The Workings of MIDI

MIDI defines a protocol for passing digital commands through a cable. A MIDI cable uses 5-pin DIN connectors, but only three of the connectors are used. One is a shield, another is a current loop, and the third carries the data. The MIDI protocol is unidirectional at 31,250 ...

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