MIDI
What is MIDI?General MIDI
The letters MIDI stand for Musical Instrument Digital Interface, whichGeneral MIDI standardizes MIDI data for all sound source types, re-
is the name of a worldwide standard for digital signals and connec-gardless of manufacturer. General MIDI specifies such factors as tone
tors that makes it possible to exchange musical data between musi-numbering, drum sounds, and available MIDI channels for all sound
cal instruments and computers (machines) produced by differentsources. This standard makes it possible for all MIDI equipment to
manufacturers. MIDI compatible equipment can exchange keyboardreproduce the same nuances when playing General MIDI data, re-
key press, key release, tone change, and other data as messages.gardless of the manufacturer of the sound source.
Though you do not need any special knowledge about MIDI to useThough the sound source of this keyboard is not General MIDI com-
this keyboard as a stand-alone unit, MIDI operations require a bit ofpatible, you can still connect the keyboard to a computer or other
specialized knowledge. This section provides you with an overviewMIDI equipment to playback General MIDI data that is widely avail-
of MIDI that will help to get you going.able in stores, over computer networks, and from other sources.
Z NOTES Z
� General MIDI data made up of a large number of parts may not play
MIDI Connections
correctly on this keyboard.
MIDI messages are send out through the MIDI OUT terminal of one� You will have most success playing back General MIDI data that has
machine to the MIDI IN terminal of another machine over a MIDIfew parts and is made up of data on channels 1, 2, 3, 4, and 10.
cable. To send a message from this keyboard to another machine, for
example, you must use a MIDI cable to connect the MIDI OUT termi-
nal of this keyboard to the MIDI IN terminal of the other machine. To
Messages
send MIDI messages back to this keyboard, you need to use a MIDI
cable to connect the other machine�s MIDI OUT terminal to the MIDIThere is a wide variety of messages defined under the MIDI stan-
IN terminal of this keyboard.dard, and this section details the particular messages that can be sent
To use a computer or other MIDI device to record and playback theand received by this keyboard.
MIDI data produced by this keyboard, you must connect the MIDI
IN and MIDI OUT terminals of both machines in order send and re-NOTE ON/OFF
ceive data.
This message sends data when a key is pressed (NOTE ON) or re-
leased (NOTE OFF).
A NOTE ON/OFF message include a note number (to indicate note
MIDI IN MIDI OUTwhose key is being pressed or released) and velocity (keyboard pres-
sure as a value from 1 to 127). NOTE ON velocity is always used to
CHORDMIDI IN MIDI OUTBOOKSONG BANKRHYTHMTONEMUSICAL INFORMATION SYSTEMdetermine the relative volume of the note. This keyboard does notPOWER / MODEMAIN VOLUMETEMPOm7SONG BANK CONTROLLERSTOPTRANSPOSE /M
MAIN VOLUMESTATUS100 SONG BANK KEYBOARDSONG BANK CONTROLLEROFFONFINGEREDCASIO CHORDNORMALSYNCHRO /FILL-INSTSTAROPT/MUSICAL INFOMATION SYSTEMACCOMPVOLUMETUNEACCOMPLEFT/LR:1 OCTAVE UP:PEDAL(SUSTAIN)RIGHT/MELODY02TEMPOFINGERING/PARTCLEAR41M7sus4dim56-5add93augON/OFF789LEFTREWFFPLAPAY/USERIGHTON/OFFreceive NOTE OFF velocity data.
MIDI sequencer
Whenever you press or release a key on this keyboard, the correspond-
ing NOTE ON or NOTE OFF message is sent by constant velocity
from the MIDI OUT terminal.
Z NOTE Z
The pitch of a note depends on the tone that is being used, as shown in
MIDI Channelsthe Note Table on page A-1. Whenever this keyboard receives a note num-
ber that is outside its range for that tone, the same tone in the nearest
MIDI allows you to send the data for multiple parts at the same time,
available octave is substituted.
with each part being sent over a separate MIDI channel. There are 16
MIDI channels, numbered 1 through 16, and MIDI channel data is
always included whenever you exchange data (key press etc.)PROGRAM CHANGE
Both the sending machine and the receiving machine must be set toThis is the tone selection message. PROGRAM CHANGE can con-
the same channel for the receiving unit to correctly receive and playtain tone data within the range of 0 to 127.
data. If the receiving machine is set to Channel 2, for example, it re-A PROGRAM CHANGE message (0 to 99) is sent out through this
ceives only MIDI Channel 2 data, and all other channels are ignored.keyboard�s MIDI OUT terminal whenever you manually change its
With this keyboard, messages received over MIDI Channels 1, 2, 3, 4,tone number. Receipt of a PROGRAM CHANGE message from an
and 10 can be used for multi-timbre play of up to five different in-external machine changes the tone setting of this keyboard (page E-
strument parts. The tone and volume settings for these five channels31).
must be controlled by messages sent from an external device.This keyboard can send tone data within the range of 00 to 99 and
When sending operation of this keyboard to an external device, Chan-receive tone data within the range of 0 to 127.
nel 1 should be selected as the MIDI send channel.
PITCH BEND
This message carries pitch bend information for smoothly sliding the
pitch upwards or downwards during keyboard play. This keyboard
does not send pitch bend data, but is can receive such data.
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