
In addition, the computer can easily transpose a performance from B major into D major. MIDI recordings are edited in an entirely different manner than conventional recording for example, the rhythm can be changed by editing the timing codes in the MIDI messages. However, MIDI is only for music, not voice. It is MIDI technology you might be hearing as the latest mobile ring tone or on a thrill ride or attraction at a theme park. Since the advent of the General MIDI standard for musical instruments, MIDI has been widely used for music backgrounds in multimedia applications due to its space-saving feature. As a result, MIDI files take up considerably less space than digitized sound files. It encodes keyboard functions, which includes the start of a note, its pitch, length, volume and musical attributes, such as vibrato.

MIDI does not record analog or digital sound waves. It defines codes for musical notes as well as button, dial and pedal adjustments, and MIDI control messages can orchestrate a series of synthesizers, each playing a part of the musical score. MIDI was developed to allow the keyboard of one synthesizer to play notes generated by another. ( Musical Instrument Digital Interface) A standard protocol for the interchange of musical information between musical instruments, synthesizers and computers.


