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8-1
MIDI
What is MIDI?
8. MIDI
WHAT IS MIDI?
Here is a brief overview of MIDI, related to the KD. There are
many publications on MIDI specification in great details - if
inetersted.
MIDI stands for Musical Instruments Digital Interface. This
interface lets you connect two or more musical instruments,
or a computer and they will communicate with each other.
There are three types of physical MIDI connections: The
MIDI IN receives data from another device; the MIDI OUT
sends data to another device; the MIDI THRU sends to
another device exactly what was received on the MIDI IN
(this is useful to daisy-chain multiple instruments).
Channels and messages
A MIDI cable transmits data on 16 channels at the same time.
Think about each MIDI channel as a TV channel: the receiver
must be set to the same channel as the transmitter. When you
send a Note On message on channel 1, it will be received on
channel 1 only. This allows for multitimbricity: you can have
more than one sound playing on the same MIDI instrument
at the same time.
There are various MIDI messages. The most commonly used
ones are:
Note On
– This message instructs an instrument to play a
note on a specific channel. Notes have both a name (C4
standing for the center C) and a number (60 being the equiv-
alent to C4). Note Off message are generated when the note
has been released. In some case, a Note On with value “0” is
used instead.
Together with the Note On message, also a Velocity value is
transmitted. This value tells the instrument how loud the
note must play.
After Touch
– This message is generated by pressing on the
keyboard, after the note has been struck. It usually activates
vibrato, or other sound parameters.
Pitch Bend (PB)
– You can generate this message moving the
wheel (X movement). The pitch is modified up or down.
Program Change (PC)
– When you select a Program, a Pro-
gram Change message is generated on the channel. Use this
message, together with Control Change 00 and 32, to
remotely select KD data from a sequencer or a master key-
board.
Control Change (CC)
– There are many control change mes-
sages assigning paramer changes.
Like:
•
CC00, or Bank Select MSB, and CC32, or Bank Select
LSB. This message pair is used, together with the Pro-
gram Change message, to select a Program.
•
CC01, or Modulation. This is the equivalent of moving
the MOD wheel. A vibrato effect is usually triggered on.
•
CC07, or Master Volume. Use this controller to set the
channel’s volume.
•
CC10, or Pan. This one sets the sound position in the
stereo field.
•
CC64, or Damper Pedal. Use this controller to simulate
the Damper pedal.
Tempo
Tempo is a global MIDI message, that is not tied to a particu-
lar channel. Each Song includes Tempo data.
Lyrics
Lyrics are non-standard MIDI events, made to display text
together with the music. KD can read many of the available
Lyrics format on the market.
MIDIFILES
Midifiles, or Standard MIDI Files (SMF), allow to exchange
songs between different instruments and computers. KD uses
the SMF format as its default song format, so reading a song
from a computer, or saving a song that a computer software
can read, is not a problem at all.
The KD sequencers are compatible with the SMF in format 0
(all data in one track; it is the most common format) and 1
(multitrack). It can read the SMF in Song Play mode and
modify/save them in Song mode. It can save a Song in SMF 0
format in the Backing Sequence or Song mode.
When in Song Play mode, the KD can also display SMF lyrics
in Solton, M-Live (Midisoft), Tune1000 and compatible
(Edirol, GMX, HitBit, XF) formats, and the chord abbrevia-
tions of SMF in Solton, M-live (Midisoft), GMX, and XF for-
mat.
THE GENERAL MIDI STANDARD
Some years ago, the musical instruments industry felt a need
for further standardization. Then, the General MIDI Stan-
dard (GM) was established. This extension of the basic MIDI
sets new rules for compatibility between instruments:
•
A minimum of 16 MIDI channels are required.
•
A basic set of 128 Programs, in standard order, is man-
datory.
•
The Drum Kit has a standard order.
•
Channel 10 had to be dedicated to the Drum Kit.
The latest extension is the GM2, further expanding the speci-
fications. The KD in sound generation is compatible with the
GM2 standard.
Содержание KD-150
Страница 1: ......
Страница 5: ......
Страница 11: ...TOC 6 ...
Страница 12: ...INTRODUCTION ...
Страница 13: ......
Страница 29: ...4 4 Display and User Interface Grayed out non available parameters ...
Страница 32: ...BASIC GUIDE ...
Страница 33: ......
Страница 39: ...6 6 Basic operations Shortcut to see the original bank for a Style Performance or Program ...
Страница 47: ...7 8 Tutorial 5 Editing a Song ...
Страница 53: ...8 6 MIDI Playing another instrument with the KD ...
Страница 54: ...REFERENCE GUIDE ...
Страница 55: ......
Страница 103: ...11 14 Song Play operating mode Saving a list of Songs ...
Страница 111: ...12 8 Backing Sequence operating mode How to delete a whole Song ...
Страница 133: ...13 22 Song operating mode Event Edit procedure ...
Страница 189: ...16 20 Disk edit environment Page 11 Card Restore ...
Страница 190: ...APPENDIX ...
Страница 191: ......
Страница 225: ...17 34 Factory Data MIDI Setup ...
Страница 283: ...18 58 Effects Mono Mono Chain ...
Страница 287: ...19 4 Assignable parameters Scales ...
Страница 303: ...24 2 Technical specifications ...
Страница 307: ...25 4 Alphabetical Index ...