2. ABOUT MIDI
Internally, the SK-50 essentially consists of two devices. One of these, the “Controller,” consists
of the keyboard and related circuitry which sends out information describing what is played on
the keys. The other device, the “Sound Generator,” produces sound in keeping with the musical
information it receives from the keyboard.
In addition to sending its information to the Sound Generator, the Controller is also capable of
sending the same information out to another device (through its COMPUTER or MIDI OUT
connectors).
Similarly, the Sound Generator is not limited to producing only the sound that the Controller
directs it to produce, but it can also generate sound in accord with whatever instructions it
receives from an external unit (arriving at its COMPUTER or MIDI IN connectors).
This communication between devices is carried out in the form of MIDI data.
MIDI is an abbreviation for “Musical Instrument Digital Interface.” It is an internationally
recognized standard that was created to facilitate the communication of performance
information among electronic musical instruments and computers. The kind of information that
MIDI deals with is very different from conventional audio signals. MIDI data is expressed
digitally, and consists of a numerous series of messages which basically tell other devices to “do
this or that, in such and such a way.”
Remember that you do not really need to know all that much about how MIDI works if all
you want to do is use your SK-50 while connected to a computer or MIDI sequencer/player.
This is because the sound generator in the SK-50 is compatible with the GM System/GS
Format. As a result, you can easily start enjoying music without being bothered with the
complexities of MIDI — as long as the software/devices you use are also compatible with
GM/GS.
Suitable software on the connected device should allow you to easily start being creative on
your new computer-based music system. All you need to be concerned about is that you
have the connections made properly.
The pages that follow will interest those who wish to gain more precise control over
features offered by the SK-50 while using MIDI. You will also find information that may be
of great benefit should you encounter problems.
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