Yamaha YDP-S52 - Manual (Page 4)

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4.
MIDI Messages
MIDI data (messages) can be divided into two groups: Channel messages and System messages.
The following explanation shows an example of MIDI messages. For more details about MIDI messages—for
example, when you want to edit the recorded MIDI data—please refer to any of the fine MIDI guidebooks that
are commercially available.
■ Channel Messages
When you perform on a MIDI instrument, the following messages are generated.
Channel Message Examples
■ System Messages
This is data that is used in common by the entire MIDI system. These include System Exclusive Messages for
transferring data unique to each instrument manufacturer and Realtime Messages for controlling the MIDI
devices.
The messages transmitted/received by your instrument are shown in the MIDI Data Format and MIDI Implementa-
tion Chart included in your instrument.
Instrument Operation Messages
Playing the keyboard Note On/Off (When the key was played/released)
Note Number (Which key was played)
Velocity (How strong the key was played)
Selecting a Voice Program Change
Changing the volume, pressing Sustain Pedal, etc. Control Change
Moving the Pitch Bend Wheel Pitch Bend
Pressing the key down after the note is played After Touch
NOTE