Mnemonic constant
|
Value
|
Meaning
|
MIDI_EVENT_NOTE
|
1
|
Presses or releases a key note.
nMidiParam1: the key number from 0 to 127; 60 means middle C
nMidiParam2: velocity; 0 means key released while values from 1 to 127 mean pressure
|
MIDI_EVENT_PROGRAM
|
2
|
Modifies a preset or instrument.
nMidiParam1: the preset program number from 0 to 127
nMidiParam2: not used
|
MIDI_EVENT_CHANPRES
|
3
|
Modifies the channel pressure.
nMidiParam1: the pressure level from 0 to 127
nMidiParam2: not used
|
MIDI_EVENT_PITCH
|
4
|
Modifies the pitch wheel position.
nMidiParam1: the pitch wheel position; can range from 0 to 16383
nMidiParam2: not used
|
MIDI_EVENT_PITCHRANGE
|
5
|
Modifies the pitch wheel range (MIDI RPN 0).
nMidiParam1: the pitch wheel range
nMidiParam2: not used
|
MIDI_EVENT_DRUMS
|
6
|
Switches between melody channels and the rhythm (drums) channel.
nMidiParam1: if set to 0 melody channels are used, if set to 1 the rhythm channel is used.
nMidiParam2: not used
|
MIDI_EVENT_FINETUNE
|
7
|
Sets the fine tuning (MIDI RPN 1).
nMidiParam1: fine tuning in cents, can range from 0 to 16383. 0 means a fine tuning of -100, 8192 means normal while 16383 means a fine tuning of +100.
nMidiParam2: not used
|
MIDI_EVENT_COARSETUNE
|
8
|
Sets the coarse tuning (MIDI RPN 2).
nMidiParam1: coarse tuning in semitones, can range from 0 to 127. 0 means a tuning of -64, 64 means normal while 127 means a fine tuning of +63.
nMidiParam2: not used
|
MIDI_EVENT_MASTERVOL
|
9
|
Sets the master volume.
nMidiParam1: can range from 0 to 16383 where 0 means silence and 16383 means max volume.
nMidiParam2: not used
|
MIDI_EVENT_BANK
|
10
|
Selects the bank to use (MIDI controller 0).
nMidiParam1: the bank number from 0 to 127
nMidiParam2: not used
|
MIDI_EVENT_MODULATION
|
11
|
Sets the modulation (MIDI controller 1).
nMidiParam1: the modulation level from 0 to 127
nMidiParam2: not used
|
MIDI_EVENT_VOLUME
|
12
|
Sets the volume (MIDI controller 7).
nMidiParam1: the volume level from 0 to 127
nMidiParam2: not used
|
MIDI_EVENT_PAN
|
13
|
Sets the pan position (MIDI controller 10).
nMidiParam1: the pan position from 0 to 128. 0 means left, 64 means middle, 127 means right while 128 sets a random position.
nMidiParam2: not used
|
MIDI_EVENT_EXPRESSION
|
14
|
Sets the expression level (MIDI controller 11).
nMidiParam1: the expression level from 0 to 127
nMidiParam2: not used
|
MIDI_EVENT_SUSTAIN
|
15
|
Sets the sustain pedal or switch (MIDI controller 64).
nMidiParam1: from 0 to 63 the sustain is off while from 64 to 127 the sustain is on.
nMidiParam2: not used
|
MIDI_EVENT_SOUNDOFF
|
16
|
Stops all sounds (MIDI controller 120).
nMidiParam1: not used
nMidiParam2: not used
|
MIDI_EVENT_RESET
|
17
|
Reset controllers to their default values (MIDI controller 121).
nMidiParam1: not used
nMidiParam2: not used
|
MIDI_EVENT_NOTESOFF
|
18
|
Releases all key notes (MIDI controller 123).
nMidiParam1: not used
nMidiParam2: not used
|
MIDI_EVENT_PORTAMENTO
|
19
|
Sets the portamento switch (MIDI controller 65).
nMidiParam1: from 0 to 63 the portamento is off while from 64 to 127 the portamento is on.
nMidiParam2: not used
|
MIDI_EVENT_PORTATIME
|
20
|
Sets the portamento time (MIDI controller 5).
nMidiParam1: the portamento time from 0 to 127
nMidiParam2: not used
|
MIDI_EVENT_PORTANOTE
|
21
|
Sets the portamento start key (MIDI controller 84).
nMidiParam1: the key number from 1 to 127; 60 means middle C
nMidiParam2: not used
|
MIDI_EVENT_MODE
|
22
|
Switches between poly and mono modes (MIDI controllers 126 and 127)
nMidiParam1: 0 means poly while 1 means mono
nMidiParam2: not used
|
MIDI_EVENT_REVERB
|
23
|
Sets the reverb level (MIDI controller 91).
nMidiParam1: the reverb level from 0 to 127
nMidiParam2: not used
|
MIDI_EVENT_CHORUS
|
24
|
Sets the chorus level (MIDI controller 93).
nMidiParam1: the chorus level from 0 to 127
nMidiParam2: not used
|
MIDI_EVENT_CUTOFF
|
25
|
Sets the cutoff of the low-pass filter (MIDI controller 74, NRPN 120h).
nMidiParam1: cutoff level, can range from 0 to 127. 0 means a level of -64, 64 means normal while 127 means a level of +63.
nMidiParam2: not used
|
MIDI_EVENT_RESONANCE
|
26
|
Sets the resonance of the low-pass filter (MIDI controller 71, NRPN 121h).
nMidiParam1: resonance level, can range from 0 to 127. 0 means a level of -64, 64 means normal while 127 means a level of +63.
nMidiParam2: not used
|
MIDI_EVENT_RELEASE
|
27
|
Sets the release time (MIDI controller 72, NRPN 166h).
nMidiParam1: release time, can range from 0 to 127. 0 means a time of -64, 64 means normal while 127 means a time of +63.
nMidiParam2: not used
|
MIDI_EVENT_ATTACK
|
28
|
Sets the attack time (MIDI controller 73, NRPN 163h).
nMidiParam1: attack time, can range from 0 to 127. 0 means a time of -64, 64 means normal while 127 means a time of +63.
nMidiParam2: not used
|
MIDI_EVENT_REVERB_TIME
|
32
|
Sets the reverb time.
nMidiParam1: reverb time in milliseconds.
nMidiParam2: not used
|
MIDI_EVENT_REVERB_DELAY
|
33
|
Sets the reverb delay.
nMidiParam1: reverb delay in 10ths of millisecond.
nMidiParam2: not used
|
MIDI_EVENT_REVERB_LOCUTOFF
|
34
|
Sets the cutoff of the reverb low-pass filter.
nMidiParam1: cutoff in Hertz; 0 means no cutoff.
nMidiParam2: not used
|
MIDI_EVENT_REVERB_HIGCUTOFF
|
35
|
Sets the cutoff of the reverb high-pass filter.
nMidiParam1: cutoff in Hertz; 0 means no cutoff.
nMidiParam2: not used
|
MIDI_EVENT_REVERB_LEVEL
|
36
|
Sets the reverb level.
nMidiParam1: reverb level; 0 means no reverb, 100 applies a 0 dB level, 200 applies a +6 dB level.
nMidiParam2: not used
|
MIDI_EVENT_CHORUS_DELAY
|
37
|
Sets the chorus delay.
nMidiParam1: chorus delay in 10ths of millisecond.
nMidiParam2: not used
|
MIDI_EVENT_CHORUS_DEPTH
|
38
|
Sets the chorus depth.
nMidiParam1: chorus depth in 10ths of millisecond.
nMidiParam2: not used
|
MIDI_EVENT_CHORUS_RATE
|
39
|
Sets the chorus rate.
nMidiParam1: chorus in 100ths of Hertz.
nMidiParam2: not used
|
MIDI_EVENT_CHORUS_FEEDBACK
|
40
|
Sets the level of the chorus feedback..
nMidiParam1: the chorus feedback level, can range from 0 to 200. 0 means -100%, 100 means that feedback is off while 200 means +100%.
nMidiParam2: not used
|
MIDI_EVENT_CHORUS_LEVEL
|
41
|
Sets the chorus level.
nMidiParam1: chorus level; 0 means no chorus, 100 applies a 0 dB level, 200 applies a +6 dB level.
nMidiParam2: not used
|
MIDI_EVENT_CHORUS_REVERB
|
42
|
Sets the chorus reverb level.
nMidiParam1: chorus reverb level; 0 means no chorus reverb, 100 applies a 0 dB level, 200 applies a +6 dB level.
nMidiParam2: not used
|
MIDI_EVENT_DRUM_FINETUNE
|
50
|
Sets the fine tuning of a drum key (MIDI NRPN 19knh).
nMidiParam1: the key number from 0 to 127; 60 means middle C
nMidiParam2: fine tune in cents, can range from 0 to 127. 0 means -100, 64 means normal while 127 means +100.
|
MIDI_EVENT_DRUM_COARSETUNE
|
51
|
Sets the coarse tuning of a drum key (MIDI NRPN 18knh).
nMidiParam1: the key number from 0 to 127; 60 means middle C
nMidiParam2: coarse tuning in semitones, can range from 0 to 127. 0 means a tuning of -64, 64 means normal while 127 means a fine tuning of +63.
|
MIDI_EVENT_DRUM_PAN
|
52
|
Sets the pan position of a drum key (MIDI NRPN 1Cknh).
nMidiParam1: the key number from 0 to 127; 60 means middle C
nMidiParam2: the pan position from 0 to 127. 0 means left, 64 means middle while 127 means right. .
|
MIDI_EVENT_DRUM_REVERB
|
53
|
Sets the reverb level of a drum key (MIDI NRPN 1Dknh).
nMidiParam1: the key number from 0 to 127; 60 means middle C
nMidiParam2: the reverb level from 0 to 128.
|
MIDI_EVENT_DRUM_CHORUS
|
54
|
Sets the chorus level of a drum key (MIDI NRPN 1Eknh)
nMidiParam1: the key number from 0 to 127; 60 means middle C
nMidiParam2: the chorus level from 0 to 128.
|
MIDI_EVENT_DRUM_CUTOFF
|
55
|
Sets the cutoff of the low-pass filter of a drum key (MIDI NRPN 14knh).
nMidiParam1: the key number from 0 to 127; 60 means middle C
nMidiParam2: cutoff level from 0 to 127
|
MIDI_EVENT_DRUM_RESONANCE
|
56
|
Sets the resonance of the low-pass filter of a drum key (MIDI NRPN 15knh).
nMidiParam1: the key number from 0 to 127; 60 means middle C
nMidiParam2: resonance level from 0 to 127
|
MIDI_EVENT_DRUM_LEVEL
|
57
|
Sets the level of a drum key (MIDI NRPN 1Aknh).
nMidiParam1: the key number from 0 to 127; 60 means middle C
nMidiParam2: level from 0 to 127; 127 means full level.
|
MIDI_EVENT_SOFT
|
60
|
Sets the soft pedal or switch (MIDI controller 67).
nMidiParam1: from 0 to 63 the soft pedal is off while from 64 to 127 the soft pedal is on.
nMidiParam2: not used
|
MIDI_EVENT_SYSTEM
|
61
|
Sets the system mode, resetting everything to the system's defaults.
nMidiParam1: type of system mode, can assume the following values:
0 = System default
1 = General MIDI 1
2 = General MIDI 2
3 = Yamaha XG
4 = Roland GS
nMidiParam2: not used
|
MIDI_EVENT_TEMPO
|
62
|
Sets the tempo (MIDI meta event 81).
nMidiParam1: tempo in microseconds per quarter note.
nMidiParam2: not used
|
MIDI_EVENT_SCALETUNING
|
63
|
Sets the tuning of a note in every octave.
nMidiParam1: tuning change in cents, can range from 0 to 16383. 0 means a tuning of -100, 8192 means normal while 16383 means a tuning of +100.
nMidiParam2: note; can range from 0 to 11 where 0 is note C
|
MIDI_EVENT_CONTROL
|
64
|
Unhandled controller. This has no effect on the MIDI stream, but can be useful for custom processing purposes with the MidiStreamEventNotification event.
|
MIDI_EVENT_CHANPRES_VIBRATO
|
65
|
Sets the maximum effect of channel pressure on vibrato depth.
nMidiParam1: vibrato depth effect in cents (0=none, 128=100, 256=200, etc).
nMidiParam2: not used
|
MIDI_EVENT_CHANPRES_PITCH
|
66
|
Sets the maximum effect of channel pressure on pitch.
nMidiParam1: pitch effect in semitones (0=-24, 24=none, 48=+24). .
nMidiParam2: not used
|
MIDI_EVENT_CHANPRES_FILTER
|
67
|
Sets the maximum effect of channel pressure on filter cutoff.
nMidiParam1: filter cutoff effect in cents (0=-9600, 9600=none, 19200=+9600).
nMidiParam2: not used
|
MIDI_EVENT_CHANPRES_VOLUME
|
68
|
Sets the maximum effect of channel pressure on volume.
nMidiParam1: volume effect percentage (0=-100, 100=none, 200=+100).
nMidiParam2: not used
|
MIDI_EVENT_MODRANGE
|
69
|
Sets the modulation/vibrato depth range (MIDI RPN 5).
nMidiParam1: vibrato depth in cents (128=100, 256=200, etc).
nMidiParam2: not used
|
MIDI_EVENT_BANK_LSB
|
70
|
Selects the bank LSB to use (MIDI controller 32).
nMidiParam1: bank number LSB (0-127).
nMidiParam2: not used
|
MIDI_EVENT_MIX_VOLUME_LEVEL
|
Hex 10000
|
Sets the volume level at mixing time, meaning that the level will not be affected by eventual MIDI_EVENT_VOLUME events inside a MIDI file.
nMidiParam1: volume level; 0 means silence, 100 applies a 0 dB level, 200 applies a +6 dB level.
nMidiParam2: not used
|
MIDI_EVENT_TRANSPOSE
|
Hex 10001
|
Transposes all notes.
nMidiParam1: amount of transposition in semitones, can range from 0 to 200. 0 means -100, 100 means normal while 200 means +100.
nMidiParam2: not used
|
MIDI_EVENT_SYSTEMEX
|
Hex 10002
|
Sets the system mode, resetting everything to the system's defaults including MIDI channels allocated through the MIDI.ChannelsSet method.
nMidiParam1: type of system mode, can assume the following values:
0 = System default
1 = General MIDI 1
2 = General MIDI 2
3 = Yamaha XG
4 = Roland GS
nMidiParam2: not used
|