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EXi: AL-1 Analog Synthesizer
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6–3: Amp EG
The AL-1’s Amp EG is identical to the HD-1’s. For
more detailed explanations of the Amp EG features,
please see “4–3: Amp1 EG,” on page 78.
Other envelopes can be used as additional controls via
AMS, if desired.
6–3a: 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.
Note: Once the Amp EG is in its Release segment, it
cannot be reset. (Otherwise, the sound might keep
playing forever!)
For a list of AMS sources, see “AMS (Alternate
Modulation Source) List” on page 967.
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.
6–3b: Amp EG
These parameters specify how the amp EG will change
over time.
Amp EG
Level
Start [00…99]
This sets the initial volume level at note-on.
Attack [00…99]
This sets the level at the end of the Attack time.
Break [00…99]
Break, short for Break Point, sets the level at the end of
the Decay time.
Sustain [00…99]
This sets the level at the end of the Slope time. Once it
reaches the Sustain level, the EG will stay there until
note-off (unless it is reset via AMS).
6–3PMC
6–3a
6–3b
6–3c
6–3d
Note-on or reset
Note-off
Attack
Time
Decay
Time
Release
Time
Attack
Level
Volume
Sustain
Level
Time
Break
Level
Slope
Time
Start
Level