MIDI (Musical Instrument Digital Interface)

Audio

A protocol for transmitting musical performance data (notes, velocity, timing) between instruments and computers.

MIDI transmits control messages, not actual audio. Traditional MIDI uses a 5-pin DIN connector at 31.25 kbaud. Modern USB MIDI runs over standard USB cables at much higher bandwidth. MIDI 2.0 adds higher resolution (32-bit velocity) and bidirectional communication, still working over USB-C connections.

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