Musical Instrument Digital Interface is a technical standard that describes a communication protocol, digital interface, and electrical connectors that connect a wide variety of electronic musical ins
Using MIDI, a single controller (often a musical keyboard, as pictured here) can play multiple electronic instruments, which increases the portability and flexibility of stage setups. This system fits into a single rack case, but before MIDI, it would have required four separate full-size keyboard instruments, plus outboard mixing and effects units.
Dave Smith (right), one of the creators of MIDI
5-pin DIN MIDI cable plugged in a socket
Smaller MIDI controllers are popular due to their portability. This two-octave unit provides a variety of controls for manipulating various sound design parameters of computer-based or standalone hardware instruments, effects, mixers and recording devices.
The DIN connector is an electrical signal connector that was standardized by the Deutsches Institut für Normung, the German Institute for Standards, in the mid 1950s, initially with three pins for mon
MIDI
…Maze and the 1990 Atari ST puzzle video game Oxyd use MIDI to network computers together. Per the original MIDI 1.0 standard, cables terminate in a 180° five-pin DIN connector (DIN 41524). Typical applications use only three of the five conductors: a ground wire (pin 2), and a balanced pair of conductors (pins 4 and 5) that…
Five-pin male 180° DIN connector from a 1988 Schneider MF2 keyboard by Cherry
Five-pin male 180° DIN connector from the keyboard of an original IBM PC. Note the unusually thick shielding skirt.
Eight-pin DIN connector for a Tandy 1000 keyboard