9: P–AMP EG (Amp Envelope) 9–2: L-MOD (Level Modulation)
37
Curve
For the sake of simplicity, most of the diagrams in this manual
show envelopes as being made out of straight lines. In actuality,
though, envelopes are more likely to be made out of curves.
In other words, each segment’s level will change quickly at first,
and then slow down as it approaches the next point. This tends to
sound better than straight, linear segments.
Classic analog synth envelopes made these curved shapes
naturally. The KROSS goes a step further than vintage synths,
however, and lets you control the amount of curvature separately
for each of the four envelope segments.
When you change the curvature, the EG times remain the same.
However, greater curvature will tend to sound faster, because the
value changes more quickly at the beginning.
Amp EG Curve
Different curve settings for up and down
You may find that different amounts of curvature are suitable for
segments which go up and segments which go down.
For instance, a curve of 3 is a good default setting for upward
segments, such as Attack. On the other hand, a curve of 6 or more
is good for downward segments, such as Decay and Release.
Attack [0L (Linear), 1...9, 10E (Exp/Log)]
This sets the curvature of the Attack segment - the transition from
the Start level to the Attack level.
Dcy/Brk (Decay) [0L (Linear), 1...9, 10E (Exp/Log)]
This sets the curvature of the Decay segment - the transition from
the Attack level to the Break level.
Slp/Sus (Slope) [0L (Linear), 1...9, 10E (Exp/Log)]
This sets the curvature of the Slope segment - the transition from
the Break level to the Sustain level.
Release [0L (Linear), 1...9, 10E (Exp/Log)]
This sets the curvature of the Release segment - the transition from
the Sustain level to the Release level.
EG Display
This shows the shape of the EG that's specified by the P–AMP EG
settings. The location of the selected parameter is shown.
9–2: L-MOD (Level Modulation)
These settings let you use any AMS source to control the Level
parameters of the EG. The Start, Attack, and Break levels share a
single AMS source, but can each have different modulation
intensities.
By using different settings for each of the three levels, you can
cause both subtle and dramatic changes to the EG shape, as shown
below.
Once the EG has started a segment between two points, that
segment can no longer be modulated. This includes both the time
of the segment, and the level reached at the end of the segment.
For instance, if the EG is in the middle of the Decay time, you can
no longer modulate either the Decay time or the Break level.
As another example, let’s say that you’ve assigned the Common
LFO to modulate Break Level. The LFO may be moving all the
time, but the Break Level is only affected by the LFO’s value at
the instant that the Decay segment starts. After that, the level is
fixed.
Finally, this also means that modulating the Start level, Attack
level, or Attack time will not affect notes that are already
sounding, unless the EG is then reset via AMS.
Amp EG Level Modulation
OSC (Oscillator Select) [1, 2]
Select the oscillator (1 or 2) that you want to edit.
Note: Oscillator 2 can be selected if Oscillator Mode is set to
Double.
AMS Intensity
AMS [List of AMS Sources]
This selects an AMS source to control the EG’s Level parameters.
For a list of AMS sources, please see “AMS (Alternate
Modulation Source) List” on page 292.
Start [–99...+99]
This controls the depth and direction of the AMS modulation for
the Start level.
For example, if you set the AMS source to Velocity and set St
(Start) to +99, the Start level will increase as you play harder. If
you instead set St (Start) to –99, the Start level will decrease as
you play harder.
Attack [–99...+99]
This controls the depth and direction of the AMS modulation for
the Attack level.
Curve=0L (Linear)
Curve=0L (Linear)
Curve=10E (Exp/Log)
Curve=10E (Exp/Log)
Original Shape
Positive AMS on Start and Break,
Negative AMS on Attack
Negative AMS on Start,
Attack, and Break
Volume
Time
Volume
Time
Volume
Time
Volume
Time
Positive AMS on Start,
Attack, and Break
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