.MID File Extension
MIDI File
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What is a MID file?
A MID file is a standard Musical Instrument Digital Interface (MIDI) file used by music authoring software and MIDI-compatible hardware devices. It contains musical performance data, such as the notes that are played, when they are played, how long they are held, and how loud each note sounds. MID files do not store actual audio data.
More Information
MID files store musical instructions that various instruments or synthesizers interpret to play them back. In addition to note information, MID files may include controller data, such as instrument changes, sustain pedal use, and volume adjustments.
Musicians, producers, and composers use MID files to share and reproduce musical sequences across different programs and devices. Educators and game developers may also create and modify MID files.
NOTE: MID files also use the .MIDI file extension.
How to open a MID file
You can open MID files with various audio players and editors, including VideoLAN VLC media player, Microsoft Windows Media Player, and Apple QuickTime Player. To open a MID file with VLC media player, select .