About Midi - Yamaha AN1x Owner's Manual
Control synthesizer analog physical modeling
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Also See for AN1x:
- Data list (21 pages) ,
- Service manual (46 pages) ,
- Owner's manual (123 pages)
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About MIDI
MIDI is an acronym that stands for Musical Instrument Digital Interface, which allows electronic musical
instruments to communicate with each other, by sending and receiving compatible Note, Control
Change, Program Change and various other types of MIDI data, or messages. The AN1x can control a
MIDI device by transmitting note related data and various types of controller data. The AN1x can be
controlled by the incoming MIDI messages which automatically select MIDI channels, voices and effects,
and change parameter values.
MIDI Messages
Transmitted And
Received By The AN1x
MIDI messages can be divided into two groups: Channel
messages and System messages. Below is an explanation
of the various types of MIDI messages which the AN1x
can receive and transmit.
1.CHANNEL MESSAGES
Channel messages are the data related to the performance
on the keyboard for the specific channel.
Note On/Note Off (Key
On/Key Off)
Messages which are generated when the keyboard is
played.
Reception note range = C-2 (0) - G8 (127), C3 = 60
Velocity range = 1 - 127 (Only the Note On velocity is
received)
Note On: Generated when a key is pressed.
Note Off: Generated when a key is released.
Each message includes a specific note number which
corresponds to the key which is pressed, plus a velocity
value based on how hard the key is struck.
Control Change
Control Change messages let you select a voice bank,
control volume, panning, modulation, portamento time,
brightness and various other controller parameters, through
specific Control Change numbers which correspond to
each of the various parameters.
Modulation (Control #001)
Messages which control vibrato depth using the
Modulation Wheel.
Setting the value to 127 produces maximum vibrato
and 0 results in vibrato off.
Portamento Time (Control #005)
Messages which control the duration of portamento, or
a continuous pitch glide between successively played
notes.
When the parameter Portamento Switch is set to on,
the value set here can adjust the speed of pitch
change. Setting the value to 127 produces maximum
portamento time and 0 results in minimum portamento
time.
Data Entry MSB (Control #006)
Data Entry LSB (Control #038)
Messages which set the value for the parameter
specified by RPN MSB/LSB. Parameter value is
determined by combining MSB and LSB.
Main Volume (Control #007)
Messages which control the volume of the AN1x.
Setting the value to 127 produces maximum volume
and 0 results in volume off. The message 007 (Main
Volume) will be transmitted using an optional controller
connected to the FOOT VOLUME jack on the rear
panel according to the factory-set.
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