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RD-300SX MIDI Implementation
❍Decay Time (Controller number 75)
Status 2nd byte 3rd byte
BnH 4BH vvH
n = MIDI channel number: 0H - FH (ch.1 - 16)
vv = Decay Time value (relative change): 00H - 7FH (-64 - 0 - +63)
❍Vibrato Rate (Controller number 76)
Status 2nd byte 3rd byte
BnH 4CH vvH
n = MIDI channel number: 0H - FH (ch.1 - 16)
vv = Vibrato Rate value (relative change): 00H - 7FH (-64 - 0 - +63)
❍Vibrato Depth (Controller number 77)
Status 2nd byte 3rd byte
BnH 4DH vvH
n = MIDI channel number: 0H - FH (ch.1 - 16)
vv = Vibrato Depth Value (relative change):00H - 7FH (-64 - 0 - +63)
❍Vibrato Delay (Controller number 78)
Status 2nd byte 3rd byte
BnH 4EH vvH
n = MIDI channel number: 0H - FH (ch.1 - 16)
vv = Vibrato Delay value (relative change):00H - 7FH (-64 - 0 - +63)
❍Portamento Control (Controller number 84)
Status 2nd byte 3rd byte
BnH 54H kkH
n = MIDI channel number: 0H - FH (ch.1 - 16)
kk = source note number: 00H - 7FH (0 - 127)
* A Note-on received immediately after a Portamento Control message will change
continuously in pitch, starting from the pitch of the Source Note Number.
* If a voice is already sounding for a note number identical to the Source Note Number, this
voice will continue sounding (i.e., legato) and will, when the next Note-on is received,
smoothly change to the pitch of that Note-on.
* The rate of the pitch change caused by Portamento Control is determined by the
Portamento Time value.
❍Effect 1 (Reverb Send Level) (Controller number 91)
Status 2nd byte 3rd byte
BnH 5BH vvH
n = MIDI channel number: 0H - FH (ch.1 - 16)
vv = Reverb Send Level: 00H - 7FH (0 - 127)
❍Effect 3 (Chorus Send Level) (Controller number 93)
Status 2nd byte 3rd byte
BnH 5DH vvH
n = MIDI channel number: 0H - FH (ch.1 - 16)
vv = Chorus Send Level: 00H - 7FH (0 - 127)
❍RPN MSB/LSB (Controller number 100, 101)
Status 2nd byte 3rd byte
BnH 65H mmH
BnH 64H llH
n = MIDI channel number: 0H - FH (ch.1 - 16)
mm = upper byte (MSB) of parameter number specified by RPN
ll = lower byte (LSB) of parameter number specified by RPN
<<< RPN >>>
Control Changes include RPN (Registered Parameter Numbers), which are extended.
When using RPNs, first RPN (Controller numbers 100 and 101; they can be sent in any order)
should be sent in order to select the parameter, then
Data Entry (Controller numbers 6 and 38) should be sent to set the value. Once RPN messages
are received, Data Entry messages that is received at the same MIDI channel after that are
recognized as changing toward the value of the RPN messages. In order not to make any
mistakes, transmitting RPN Null is recommended after setting parameters you need.
This device receives the following RPNs.
RPN Data entry
MSB, LSB MSB, LSB Notes
00H, 00H mmH, llH Pitch Bend Sensitivity
mm: 00H - 18H (0 - 24 semitones)
ll: ignored (processed as 00H)
Up to 2 octave can be specified in semitone steps.
* The Bend Range parameter (Tone Info:Bend Range) will
change.
00H, 01H mmH, llH Channel Fine Tuning
mm, ll: 20 00H - 40 00H - 60 00H
(-4096 x 100 / 8192 - 0 - +4096 x 100 / 8192 cent)
* The Fine Tune parameter (Tone Info:Fine Tune) will
change.
00H, 02H mmH, llH Channel Coarse Tuning
mm: 10H - 40H - 70H (-48 - 0 - +48 semitones)
ll: ignored (processed as 00H)
* The Coarse Tune parameter (Tone Info:Coarse Tune) will
change.
00H, 05H mmH, llH Modulation Depth Range
mm, ll: 00 00H - 06 00H ( 0 - 16384 * 600 / 16384 cent)
7FH, 7FH ---, --- RPN null
RPN and NRPN will be set as “unspecified.” Once this setting
has been made, subsequent Parameter values that were
previously set will not change.
mm, ll: ignored
●Program Change
Status 2nd byte
CnH ppH
n = MIDI channel number: 0H - FH (ch.1 - 16)
pp = Program number: 00H - 7FH (prog.1 - prog.128)
●Pitch Bend Change
Status 2nd byte 3rd byte
EnH llH mmH
n = MIDI channel number: 0H - FH (ch.1 - 16)
mm, ll = Pitch Bend value: 00 00H - 40 00H - 7F 7FH (-8192 - 0 - +8191)
■Channel Mode Messages
●All Sounds Off (Controller number 120)
Status 2nd byte 3rd byte
BnH 78H 00H
n = MIDI channel number: 0H - FH (ch.1 - 16)
* When this message is received, all notes currently sounding on the corresponding channel
will be turned off.
●Reset All Controllers (Controller number 121)
Status 2nd byte 3rd byte
BnH 79H 00H
n = MIDI channel number: 0H - FH (ch.1 - 16)
* When this message is received, the following controllers will be set to their reset values.
Controller Reset value
Pitch Bend Change ±0 (center)
Channel Pressure 0 (off)
Modulation 0 (off)
Breath Type 0 (min)
Expression 127 (max)
Hold 1 0 (off)
Sostenuto 0 (off)
Soft 0 (off)
Hold 2 0 (off)
RPN unset; previously set data will not change
NRPN unset; previously set data will not change
●All Notes Off (Controller number 123)
Status 2nd byte 3rd byte
BnH 7BH 00H
n = MIDI channel number: 0H - FH (ch.1 - 16)
* When All Notes Off is received, all notes on the corresponding channel will be turned off.
However, if Hold 1 or Sostenuto is ON, the sound will be continued until these are turned
off.
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