140 141Appendix E: MIDI Implementation
Sequential Prophet X User’s Guide
Appendix E: MIDI Implementation
Appendix E: MIDI Implementation
The Prophet X receives MIDI data according to the settings you have
chosen in globals. In addition, there is interaction between some of the
program parameters that determine the overall response of Prophet X
to MIDI data. These are the globals parameters that affect response to
MIDI:
MIDI Channel: All, 1…16—Selects which MIDI channel to send and
receive data, 1 to 16. All receives on all 16 channels.
MIDI Clock Mode: Sets the Prophet X’s ability to send and receive MIDI
clock messages:
• Off: MIDI Clock is neither sent nor received
• Master: MIDI Clock is sent, but not received
• Slave: MIDI Clock is received, but not sent
• Slave Thru: MIDI Clock is received and passed to MIDI Out
• Slave No S/S (no start and stop): Receives MIDI Clock but does not
respond to MIDI Start or Stop command.
When set to slave or slave thru, if no MIDI clock is present at the selected input,
the arpeggiator and sequencer will not function.
MIDI Clock Cable: MIDI Port, USB—Sets the port, MIDI or USB, by
which MIDI clock signals are received.
MIDI Param Send: Off, CC, NRPN—Changes to the values of front panel
controls are transmitted via MIDI as Continuous Controllers (CC) or
Non-Registered Parameter Number (NRPN). Transmission of parameters
can also be turned off.
NRPNs are the preferred method of parameter transmission, since they cover
the complete range of all parameters, while CCs are limited to a range of 128.
MIDI Param Receive: Off, CC, NRPN—Sets the method by which parameter
changes are received via MIDI. As with transmission, NRPNs are the preferred
method.
MIDI Control: Off, On—When set to On, the synth will respond to MIDI
controllers, including pitch wheel, mod wheel, pedal, and volume.
MIDI Prog Enable: Off, On—When set to On, the synth will respond to
MIDI Program Change messages.
MIDI SysEx Cable: MIDI, USB—When set to MIDI it will receive and
transmit MIDI SysEx messages using the MIDI ports/cables When set to
USB it will receive and transmit MIDI SysEx messages using the USB
port/cable. MIDI SysEx messages are used when sending and receiving a
variety of data including, programs, alternative tunings, system updates,
and more.
MIDI Out Select: MIDI, USB, MIDI+USB—Sets the port by which MIDI
data will be transmitted.
MIDI Messages
System Real-Time Messages
Status Description
1111 1000
MIDI Timing Clock
Received Channel Messages
Status Second Third Description
1000 nnnn 0kkkkkkk 0vvvvvvv
Note Off. Velocity is ignored
1001 nnnn 0kkkkkkk 0vvvvvvv
Note On. Note off if vvvvvvv = 0
1010 nnnn 0kkkkkkk 0vvvvvvv
Polyphonic Key Pressure
1011 nnnn 0vvvvvvv 0vvvvvvv
Control Change; see “Received Controller Messages”
1100 nnnn 0ppppppp
Program change, 0-127 for Programs 1-127 within
current Bank
1101 nnnn 0vvvvvvv
Channel Pressure
1110 nnnn 0vvvvvvv 0vvvvvvv
Pitch Bend LS Byte then MS Byte
Notes: 0kkkkkkk Note number 0-127
nnnn Channel number 0 to 15 (MIDI channel 1-16).
Ignored if MIDI channel set to ALL
0vvvvvvv Value
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