PROGRAM > AL-1: EG 1-4 7–1: EG 1 (Filter)
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PROGRAM > AL-1: EG 1-4
There are four assignable EGs, in addition to the Amp EG.
Each of these can be used as an AMS modulation source to
control a wide variety of parameters.
There are also four parameters with dedicated EG
modulation inputs: Pitch for Oscillators 1 and 2, and
Frequency for Filters A and B. Any of the four EGs can be
used for these modulation routings.
In the midst of all this flexibility, we thought it would also be
good to provide a little structure. With this in mind, EG 1 is
named EG 1 (Filter) and EG 2 is labeled EG 2 (Pitch).
Please take these names as suggestions, rather than
restrictions. If you like, you’re free to use these EGs to
control any EG or AMS destination, or to use other EGs to
control Filter Frequency and Pitch.
7–1: EG 1 (Filter)
The EGs, or Envelope Generators, let you create complex,
time-varying changes to AMS-modulatable parameters. The
controls on this page specify the shape of the EG. Among
other things, you can:
• Create the basic EG shape by setting the levels and times
of each segment.
• Control the curvature of each EG segment, for subtle
control over the sound of the EG.
• Set up complex modulation of EG levels and times.
• Set up an AMS source, such as an LFO, to restart the
EG.
One thing that you can’t do on this page is to control how
much effect the EG has on the parameters it modulates. To
do that. you’ll need to adjust the AMS intensities on the
pages for the individual parameters.
7–1a: EG Reset
AMS [List of AMS Sources]
This selects an AMS source to reset the EG to the start point.
For instance, you can use a tempo-synced LFO to trigger the
EG in a repeating rhythm. This reset is in addition to the
initial note-on, which always causes the EG to start.
For a list of AMS sources, see “Alternate Modulation Source
(AMS) List” on page 901.
Threshold [–99…+99]
This sets the AMS level which will trigger the EG reset.
Among other things, you can use this to adjust the exact
point in an LFO’s phase at which the EG will be reset,
effectively controlling its “groove” against other rhythmic
effects.
When the threshold is positive, the EG triggers when
passing through the threshold moving upwards. When the
threshold is negative, the EG triggers when passing through
the threshold moving downwards.
Note: with some LFO shapes, and with faster LFO speeds,
the LFO may not always reach the extreme values of +99 or
-99. In this case, setting the Threshold to these values may
cause inconsistent behavior, or may mean that the EG
doesn’t reset at all. If this happens, reduce the Threshold
until the EG triggers consistently.
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