Musical Instrument Digital Interface (MIDI)
The Musical Instrument Digital Interface (MIDI) is a technical standard that describes a protocol, digital interface, and connectors, which allows a wide variety of electronic musical instruments, computers, and other devices to connect and communicate. A collaborative effort by leading music technology manufacturers in 1983, the MIDI standard revolutionized the way music is composed, performed, and produced.
History and Development
MIDI was developed by a consortium of musical instrument manufacturers, including Yamaha Corporation, Roland Corporation, Korg Inc., and others. Its creation was driven by the need for a standardized protocol that could accommodate the growing complexity and variety of electronic musical instruments. This initiative was spearheaded by industry leaders like Dave Smith, often credited as the "Father of MIDI."
Technical Specifications
MIDI communicates event messages about parameters such as pitch, velocity, control signals for parameters like volume, vibrato, audio panning, cues, and clock signals to set and synchronize tempo between multiple devices. These messages are sent via a serial interface and can be transferred between devices through a standard MIDI cable or over a network connection using a protocol such as USB.
MIDI 1.0 and MIDI 2.0
The original specification, MIDI 1.0, was groundbreaking in its simplicity and efficiency, allowing devices to be connected in a daisy chain and communicate with each other. In 2020, MIDI 2.0 was introduced, offering bidirectional communication, increased resolution, and improved features for modern music production.
Usage and Applications
MIDI is utilized in a vast array of musical and non-musical applications. It is central to music production environments, where it is used to control synthesizers, drum machines, and digital audio workstations. Beyond music, MIDI is used for lighting control and in show control systems.
MIDI Controllers
A MIDI controller is a device that generates and transmits MIDI data to MIDI-enabled devices. Common examples include keyboards, drum pads, and wind controllers. These devices allow performers to control multiple sounds and effects from a single interface, providing a versatile tool for both live performance and studio production.
Impact on Digital Music Technology
MIDI has had a profound impact on digital music technology, enabling the integration of computers and electronic instruments in a way that was not possible before. It opened the door to new genres and styles of music, including electronic music and experimental music.