Music for Geeks and Nerds by Pedro Kroger

Author:Pedro Kroger [Kroger, Pedro]
Language: eng
Format: epub
Publisher: Pedro Kroger
Published: 2015-03-15T22:00:00+00:00

About MIDI

The Musical Instrument Digital Interface (MIDI) specification was developed in the 1980s to exchange information between keyboard synthesizers. The MIDI file format is low-level and it doesn’t have the notion of notes, rests, and duration values such as quarter notes. It’s built around messages such as Note On and Note Off.

A MIDI file holds information about when a note started and stopped, but it doesn’t know how the music will actually sound in the way a MP3 file knows. A MIDI player will either synthesize the sound or use sound samples (the popular SoundFont format uses sound samples). This means that a MIDI file may sound wonderful in one program or computer and appalling in others.

One advantage is that MIDI files are easy to generate and have a small size. For instance, the size of a MIDI file containing the first movement of Beethoven’s Ninth Symphony is less than 220k (we’re talking about thousands of notes here) while an MP3 of a recording of the same Symphony is almost 28Mb. Just keep in mind that the enjoyment factor while listening is proportional to the file size.

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