Yamaha MO6 Owner's Manual download pdf (Page 224)

About MIDI

224

Owner’s Manual

Appendix

CHANNEL MESSAGES

Channel messages contain 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.

Bank Select MSB (Control #000)

Bank Select LSB (Control #032)

Messages which select variation voice bank numbers by

combining and sending the MSB and LSB from an

external device. The functions of MSB and LSB messages

differ depending on the tone generator mode. MSB

numbers select voice type (Normal Voice or Drum Voice),

and LSB numbers select voice banks.

(For more information about Banks and Programs, see

Voice List in the separate Data List.)

A new bank selection will not become effective until the next

Program Change message is received.

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 (Control #065) 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 (page 225) and NRPN MSB/LSB (page

225). Parameter value is determined by combining the MSB

and LSB.

Main Volume (Control #007)

Messages which control the volume of each Part.

Setting the value to 127 produces maximum volume and 0

results in volume off.

Pan (Control #010)

Messages which control the stereo panning position of

each Part (for stereo output).

Setting the value to 127 positions the sound to the far right

and 0 positions the sound to the far left.

Expression (Control #011)

Messages which control intonation expression of each Part

during performance.

Setting the value to 127 produces maximum volume and 0

results in volume off.

Hold1 (Control #064)

Messages which control sustain on/off.

Setting the value between 64 – 127 turns the sustain on,

between 0 – 63 turns the sustain off.

Portamento Switch (Control #065)

Messages which control portamento on/off.

Setting the value between 64 –127 turns the portamento on,

between 0 – 63 turns the portamento off.

Sostenuto (Control #066)

Messages which control sostenuto on/off.

Holding speciﬁc notes and then pressing and holding the

sostenuto pedal will sustain those notes as you play

subsequent notes, until the pedal is released.

Setting the value between 64 –127 turns the sostenuto on,

between 0 – 63 turns the sostenuto off.

Harmonic Content (Control #071)

Messages which adjust the ﬁlter resonance set for each

Part.

The value set here is an offset value which will be added to

or subtracted from the voice data. Higher values will result

in a more characteristic, resonant sound. Depending on the

voice, the effective range may be narrower than the range

available for adjustment.

Release Time (Control #072)

Messages which adjust the AEG release time set for each

Part.

The value set here is an offset value which will be added to

or subtracted from the voice data.

Attack Time (Control #073)

Messages which adjust the AEG attack time set for each

Part.

The value set here is an offset value which will be added to

or subtracted from the voice data.

Brightness (Control #074)

Messages which adjust the ﬁlter cutoff frequency set for

each Part.

The value set here is an offset value which will be added to

or subtracted from the voice data. Lower values result in a

softer sound.

Depending on the voice, the effective range may be

narrower than the range available for adjustment.

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Yamaha MO6 Owner's Manual Page 224

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Yamaha MO6 Owner's Manual Page 224

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