User manual

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CMK-1 Manual (Issue-1)
Page-58 October 20, 2004
Table 14: MIDI 1.0 Specification Message Summary
[10]
Status
D7----D0
Data Byte(s)
D7----D0
Description
Channel Voice Messages [nnnn = 0-15 (MIDI Channel Number 1-16)]
1000nnnn 0kkkkkkk
0vvvvvvv
Note Off event.
This message is sent when a note is released (ended).
(kkkkkkk) is the key (note) number.
(vvvvvvv) is the velocity.
1001nnnn 0kkkkkkk
0vvvvvvv
Note On event.
This message is sent when a note is depressed (start).
(kkkkkkk) is the key (note) number.
(vvvvvvv) is the velocity.
1010nnnn 0kkkkkkk
0vvvvvvv
Polyphonic Key Pressure (Aftertouch).
This message is most often sent by pressing down on the key after it "bottoms out".
(kkkkkkk) is the key (note) number.
(vvvvvvv) is the pressure value.
1011nnnn 0ccccccc
0vvvvvvv
Control Change.
This message is sent when a controller value changes. Controllers include devices such
as pedals and levers. Controller numbers 120-127 are reserved as "Channel Mode
Messages" (on the next page).
(ccccccc) is the controller number.
(vvvvvvv) is the new value (0-119).
1100nnnn 0ppppppp
Program Change.
This message is sent when the patch number changes.
(ppppppp) is the new program number.
1101nnnn 0vvvvvvv
Channel Pressure (After-touch).
This message is most often sent by pressing down on the key after it "bottoms out".
This message is different from polyphonic after-touch. Use this message to send the
single greatest pressure value (of all the current depressed keys).
(vvvvvvv) is the pressure value.
1110nnnn 0lllllll
0mmmmmmm
Pitch Wheel Change.
This message is sent to indicate a change in the pitch wheel. The pitch wheel is
measured by a fourteen bit value. Center (no pitch change) is 2000H. Sensitivity is a
function of the transmitter.
(lllllll) are the least significant 7 bits.
(mmmmmmm) are the most significant 7 bits.