MIDI Full Form- Musical Instrument Digital Interface

Updated on 26 February, 2024

upGrad Abroad Team

upGrad Abroad Team

upGrad abroad Editorial Team

What is MIDI? The full form of MIDI is Musical Instrument Digital Interface

Originally intended for use with digital music synthesizers, the Musical Instrument Digital Interface (MIDI) standard is used to transmit and store music. Recorded sounds are not sent via MIDI. 

Rather, the receiving device uses the musical notes, timings, and pitch information it contains to generate music from its own internal sound library. It's a method of connecting sound-producing equipment, such as computers, samplers, and synthesizers, so they can exchange MIDI signals with one another.  

MIDI is merely a sequence of messages such as "note on," "note/pitch,"  "note off," "pitchbend," and several more; it does not produce sound in and of itself. MIDI is usually a piece of hardware. 

How does MIDI work?

  • With an electronic keyboard, MIDI messages are produced most often. These signals may be connected to your computer or another MIDI device, or they might be sent to a computerized synthesizer built inside the keyboard.
  • A "note on" indicator appears on the keyboard when a key is pushed.  This message includes the key that was pushed (referred to as the "note") and the speed at which it was pressed (referred to as the "velocity"). 
  • Using MIDI, changing or manipulating notes is simple. Pitch, time frame, and other characteristics may be changed without needing to record again.
  • Several hundred MIDI messages can contain the entirety of a song, whereas audio data is processed thousands of times per second.
  • A "note off" MIDI message is produced by the keyboard when a key is released.  In order to confirm that these signals are indicating the end of the correct MIDI note, they additionally provide "note" information.  
  • MIDI synchronization software environments (GarageBand in this example) are used to represent MIDI messages.  A note on message opens each note in the sequence, while a note off signal closes it. 

upGrad Abroad Team

upGrad abroad Editorial Team

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