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15. EG2
Here you can adjust the settings for the AMP EG, which applies time-variant change to the volume (Figure 15-1). Using the AMP EG settings,
you can make the volume change as time passes. Create the desired volume curve by adjusting the ADSR parameters; ATTACK (knob [1]),
DECAY (knob [2]), SUSTAIN (knob [3]), RELEASE (knob [4]).
You can use EG2 as a Virtual Patch source to modulate parameters other than volume. (p.45)
Figure 15-1: EG2 envelope
0
Attack Level
Time
Note on
Note off
Level
[1]: Attack Time [3]: Sustain Level
[2]: Decay Time [4]: Release Time
[1]
[3]
[4]
[2]
Knob [1]
Attack2 (Attack EG2) [000...127]
Specifies the time from note-on (when the
key is pressed) until the attack level (maxi-
mum value of the envelope) is reached.
Knob [2]
Decay2 (Decay EG2) [000...127]
Specifies the time from when the attack
level is reached until the sustain level (SUS-
TAIN) is reached.
Knob [3]
Sustain2 (Sustain EG2) [000...127]
Specifies the volume that will be main-
tained after the decay time has elapsed, as
long as you continue holding the key.
Knob [4]
Release2 (Release EG2) [000...127]
Specifies the time from note-off (when the
key is released) until the level reaches 0.
EG (Envelope Generator)
To a significant extent, each sound has its own distinctive volume curve. For example when you
play a note on a piano, the note begins at the maximum volume, and gradually diminishes. When
you release your finger from the key, the sound will disappear quickly with a brief decay. Volume
curves such as this are an important aspect of how we identify the sound of a specific instrument.
This type of change also occurs in the tone and pitch, as well as in the volume. On a synthesizer, this
type of change is produced by an EG. The R3 has dedicated EGs for the filter and for the amp.
However since these EGs can be used as Virtual Patch sources, you are also free to use them to vary
the pitch or numerous other aspects of the sound.
Some example amp EG settings are shown below.
0
Time
Note on
Note off
Level
Attack: 0 Sustain: 127
Decay: — Release: 0
Organ
0
Time
Note on
Note off
Level
Attack: 40 Sustain: 75
Decay: 50 Release: 50
Strings
0
Time
Note on
Note off
Level
Attack: 0 Sustain: 0
Decay: 100 – 127 Release: 5–25
Piano
47


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