Appendix E: Midi Implementation; Midi Messages - Sequential Prophet Rev 2 User Manual

Appendix E: MIDI Implementation

The Prophet Rev2 receives MIDI data according to the settings you have
chosen in . In addition, there is interaction between some of the
globals
program parameters that determine the overall response of Prophet Rev2
to MIDI data. Following are the
globals
to MIDI:
Selects which MIDI channel to send and
MIDI Channel: All, 1...16—
receive data, 1 to 16. All receives on all 16 channels.
Sets the Prophet Rev2's ability to send and receive
MIDI Clock Mode:
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 or
slave slave thru
the arpeggiator and sequencer will not function.
MIDI Clock Cable: MIDI Port, USB—
which MIDI clock signals are received.
MIDI Param Send: Off, CC, NRPN—
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.
Sets the method by which parameter changes
Param Rcv: Off, CC, NRPN—
are received via MIDI. As with transmission, NRPNs are the preferred method.
82 Appendix E: MIDI Implementation
parameters that affect response
, if no MIDI clock is present at the selected input,
Sets the port, MIDI or USB, by
Changes to the values of front panel
Sequential
When set to On, the synth will respond to
MIDI Prog Enable: Off, On—
MIDI controllers, including pitch wheel, mod wheel, pedal, and volume.
MIDI SysEx Cable: MIDI, USB—
and transmit them using the MIDI ports/cables When set to USB it
will receive and transmit them using the USB port/cable. MIDI SysEx
messages are used when sending and receiving a variety of data includ-
ing, programs, alternative tunings, system updates, and more.
Sets the port by which MIDI data will be
MIDI Out Select: MIDI, USB—
transmitted.

MIDI Messages

System Real-Time Messages
Status Description
1111 1000 MIDI Timing Clock
Received Channel Messages
Status Second Third
1000 nnnn 0kkkkkkk 0vvvvvvv
1001 nnnn 0kkkkkkk 0vvvvvvv
1010 nnnn 0kkkkkkk 0vvvvvvv
1011 nnnn 0vvvvvvv 0vvvvvvv
1100 nnnn 0ppppppp
1101 nnnn 0vvvvvvv
1110 nnnn 0vvvvvvv 0vvvvvvv
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
Prophet Rev2 User's Guide
When set to MIDI it will receive
Description
Note Off. Velocity is ignored
Note On. Note off if vvvvvvv = 0
Polyphonic Key Pressure
Control Change; see "Received Controller Messages"
Program change, 0-127 for Programs 1-127 within
current Bank
Channel Pressure
Pitch Bend LS Byte then MS Byte
Appendix E: MIDI Implementation 83