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DIGITAL MUSIC CORPORATION
About MIDI
MIDI (Musical Instrument Digital Interface) is a universal
language that allows electronic devices made by different
manufacturers to communicate with one another. Although
using your Ground Control doesn't require a thorough
knowledge of MIDI, it is helpful to understand Channels,
Program Changes, and Continuous Controllers.
Channels
MIDI Channels are like channels on your television. When
you select a channel on your TV, you only receive the
broadcast transmitted on that particular channel. Similarly,
when you select the channel on a MIDI device, it will only
respond to messages sent on that Channel. MIDI messages can
be transmitted on 16 different channels (1-16) through a single
MIDI cable.
Program Changes
Your MIDI controlled devices have a series of programs which
can be recalled from the front panel. Programs can also be
recalled by sending a MIDI Program Change command.
MIDI Program Changes select one of 128 different programs.
Also, some manufacturers number their programs starting with
1 (1-128), some start with 0 (0-127).
Continuous Controllers
Unlike Program Changes, which select an entire program,
Continuous Controllers change only selected parameters within
a program. Also known as Control Changes, these messages
are frequently used to add expression to an effect by adjusting
parameters like volume, mix, reverb depth, delay time, or EQ
to name a few.
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