MIDI definition:
Musical Instrument Digital Interface: MIDI filenames end with
'.mid'. "MIDI" refers to the technology used to connect between
synthesizers, drum machines and computers to write and play music. MIDI
files do not contain sounds. They are text files, containing encoded
commands, to tell your PC's sound card's synthesiser (or an external
music keyboard, etc.), to play notes (e.g. C, G#, Bb). Numbers specify
each note's position relative to the start of the music and its
time-value, and its volume, including Crescendos and Diminuendos. Other
commands set the instrument (e.g. 0=Grand Piano, 74=Flute) for each
track/channel (max16); the Tempo changes, including Rallentandos and
Accelerandos; and the overall volume and stereo balance per track.
With your speakers, or headphones on and set to a moderate volume,
- click
here to test - if your PC can handle MIDI functionality.
MIDI files are quite small and, therefore, are easily emailed. WinZip
(or equivalent) can zip the separate parts files of one piece together,
before emailing, reducing attached file size even further.
WAV files are much, much larger than MIDI files for the same music.
You can also record voice and live instruments, as well as MIDI, to WAV
files. MP3 files are smaller than WAV files but still much bigger than
MIDI files. WAV and MP3 files cannot be split into tracks like MIDI
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http://www.endeavour-web.org/MIDI-D2/MIDI-D7.htm
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