CHD Elektroservis 8-435, User Manual, Page: 7 / 16

P61-KBD
MIDI Interface for Korg Poly.61 Keyboard
Model 8-435 ver. 1.0
Copyright © 2018 CHD Elektroservis.
All rights reserved. No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
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3 33 3 MIDI IMPLEMENTATION MIDI IMPLEMENTATION MIDI IMPLEMENTATION MIDI IMPLEMENTATION
The interface only receives MIDI commands. The interface recognizes MIDI Channel commands, Common
System commands and System Exclusive messages.
3.1 3.1 3.1 3.1 CHANNEL COMMANDS CHANNEL COMMANDS CHANNEL COMMANDS CHANNEL COMMANDS
The interface receives MIDI commands on selected MIDI channel ("MIDI Channel" parameter – see chapter 2.1).
In OMNI mode, interface receives data on all 16 MIDI channels simultaneously.
3.1.1 3.1.1 3.1.1 3.1.1 NOTE ON/OFF NOTE ON/OFF NOTE ON/OFF NOTE ON/OFF
The interface recognizes MIDI Note On/Off commands with note numbers in range of 5 octaves. “Key Shift“
parameter (see chapter 2.2) defines assignment of MIDI notes to instrument’s keys. When six valid MIDI notes
are received (all six instrument’s voices are sounding), all following received MIDI Note commands are
processed according to “Key Priority“ parameter setting (see chapter 2.3).
3.1.2
3.1.2 3.1.2
3.1.2 CONTROL CHANGES (CCs)
CONTROL CHANGES (CCs) CONTROL CHANGES (CCs)
CONTROL CHANGES (CCs)
The interface recognizes standard MIDI CCs Nr. 64, 120, 121, 123. Other CCs are used for adjusting of the
interface’s parameters in edit buffer (CCs Nr. 16 to 18 - see
② ② ② ②
on pic. 2).
Table 2 Table 2 Table 2 Table 2 – –– – Acceptable CCs overview Acceptable CCs overview Acceptable CCs overview Acceptable CCs overview
CC Nr. CC Nr. CC Nr. CC Nr. Name Name Name Name Function Function Function Function Valid value Valid value Valid value Valid value
CC #16
1
) Key Shift
Controls “Key Shift” interface’s parameter
(See chapter 2.2) 0 ~ 127
(see table 3)
CC #17
1
) Key Priority
Controls “Key Priority” interface’s parameter
(See chapter 2.3)
0 ~ 31 = Last
32 ~ 63 = Higher
0 ~ 31 = Lower
65 ~ 127 = None
CC #18
1
) Pitch Bend Range
Controls “Pitch Bend Range” interface’s parameter
(See chapter 2.4) 0 ~ 127
(see table 5)
CC #64
1
) Hold Standard MIDI function
0 ~ 63 = Off
64 ~ 127 = On
CC #120
1
) All Sound Off Standard MIDI function 0
CC #121 Reset All Controllers Standard MIDI function 0
CC #123
1
) All Notes Off Standard MIDI function 0
R
R R
Remark:
emark: emark:
emark:
1
) The CC is only relevant for received MIDI notes, not for own instrument’s keyboard
The interface recognizes standard MIDI CCs Nr. 64, 120, 121, 123. Other CCs are used for adjusting of the
interface’s parameters in edit buffer (CCs Nr. 16 to 18 - see
② ② ② ②
on pic. 2).
CC #64
CC #64 CC #64 CC #64 – –– – Standard controller: Hold Standard controller: Hold Standard controller: Hold Standard controller: Hold
The CC #64 works in a standard way: Holds the tone generators sounding
3 33 3
when the "Hold" pedal is pressed
4 44 4
.
Values 64 to 127 of the CC #64 are recognized as ON (pedal pressed), values 0 to 63 are recognized as OFF
(pedal released).
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Hold MIDI command affects only tones launched by MIDI Notes. Own instrument’s keyboard is not affected.