NP-31/NP-11 MIDI Reference
4
MIDI Data Format
If you’re already very familiar with MIDI, or are using a computer to control your music hardware with computer-generated MIDI
messages, the data provided in this section can help you to control the NP-31 NP-11.
1. NOTE ON/OFF
Data format: [9nH] -> [kk] -> [vv]
9nH = Note ON/OFF event (n = channel number)
kk =
Note number (Transmit: 09H–78H = A-2–C8 /
Receive: 00H–7FH = C-2–G8)
vv =
Velocity (Key ON = 01H–7FH, Key OFF = 00H)
Data format: [8nH] -> [kk] -> [vv] (reception only)
8nH = Note OFF event (n = channel number)
kk =
Note number: 00H–7FH = C-2–G8)
vv =
Velocity
2. CONTROL CHANGE
Data format: [BnH] -> [cc] -> [vv]
BnH = Control change (n = channel number)
cc =
Control number
vv =
Data Range
(1) Bank Select
ccH
Parameter
Data Range (vvH)
00H
Bank Select MSB
00H:Normal
20H
Bank Select LSB
00H...7FH
Bank selection processing does not occur until receipt of next Pro-
gram Change message.
(2) Main Volume
ccH
Parameter
Data Range (vvH)
07H
Volume
00H...7FH
(3) Expression (reception only)
ccH
Parameter
Data Range (vvH)
0BH
Expression
00H...7FH
(4) Sustain
ccH
Parameter
Data Range (vvH)
40H
Sustain
00H...7FH
(5) Sostenuto (reception only)
ccH
Parameter
Data Range (vvH)
42H Sostenuto
00H...3FH:off,
40H...7FH:on
(6) Soft Pedal (reception only)
ccH
Parameter
Data Range (vvH)
43H
Soft Pedal
00H...3FH:off, 40H...7FH:on
(7) Effect1 Depth (Reverb Send Level)
ccH
Parameter
Data Range (vvH)
5BH
Effect1 Depth
00H...7FH
Adjusts the reverb send level.
(8) Effect4 Depth (Variation Effect Send Level)
ccH
Parameter
Data Range (vvH)
5EH
Effect4 Depth
00H...7FH
(9) RPN
65H
RPN
MSB
64H
RPN
LSB
06H
Data Entry
MSB
26H
Data Entry
LSB
60H
Data
Increment
61H
Data
Decrement
* Parameters that are controllable with RPN:
• Coarse Tune
• Fine Tune
• Pitch Bend Range
3. MODE MESSAGES
Data format: [BnH] -> [cc] -> [vv]
BnH = Control event (n = channel number)
cc =
Mode Message number
vv =
Data Range
(1) All Sound Off
ccH
Parameter
Data Range (vvH)
78H
All Sound Off
00H
(2) Reset All Controllers
ccH
Parameter
Data Range (vvH)
79H
Reset All Controllers
00H
Resets controllers as follows.
Controller
Value
Expression
127 (max)
Sustain Pedal
0 (off)
Sostenuto
0 (off)
Soft Pedal
0 (off)
(3) Local Control (reception only)
ccH
Parameter
Data Range (vvH)
7AH
Local Control
00H (off), 7FH (on)
(4) All Notes Off
ccH
Parameter
Data Range (vvH)
7BH
All Notes Off
00H
Switches OFF all the notes that are currently ON on the specified
channel. Any notes being held by the sustain or sostenuto pedal
will continue to sound until the pedal is released.
(5) Omni Off (reception only)
ccH
Parameter
Data Range (vvH)
7CH
Omni Off
00H
Same processing as for All Notes Off.
(6) Omni On (reception only)
ccH
Parameter
Data Range (vvH)
7DH
Omni On
00H
Same processing as for All Notes Off.
(7) Mono (reception only)
ccH
Parameter
Data Range (vvH)
7EH
Mono
00H
Same processing as for All Sound Off.
(8) Poly (reception only)
ccH
Parameter
Data Range (vvH)
7FH
Poly
00H
Same processing as for All Sound Off.
• When Control Change is turned OFF, Control Change messages
will not be transmitted or received.
• Local on/off, OMNI on/off are not transmitted. (The appropriate note
off number is supplied with “All Note Off” transmission).
• When a voice bank MSB/LSB is received, the number is stored in
the internal buffer regardless of the received order, then the stored
value is used to select the appropriate voice when a program
change message is received.
• Poly mode is always active. This mode will not change when the
instrument receives a MONO/POLY mode message.
4. PROGRAM CHANGE
Data format: [CnH] -> [ppH]
CnH = Program event (n = channel number)
ppH = Program change number
P.C.
#
=Program Change number
• When program change reception is turned OFF, no program change
data is transmitted or received.
• When you specify a program change as a number in the range of
0–127, specify a number that is one less than the program change
number listed above. For example, to specify program change num-
ber 1, you would specify a value of 0.
NP-31 NP-11
MSB
LSB
P.C.
#
Grand Piano 1
0
122
1
Grand Piano 2
0
112
1
E. Piano 1
0
122
6
E. Piano 2
0
122
5
Pipe Organ 1
0
123
20
Pipe Organ 2
0
122
20
Strings
0
122
49
Vibraphone
0
122
12
Harpsichord 1
0
122
7
Harpsichord 2
0
123
7
