Program mode
18
5: P–PITCH EG (Pitch Envelope)
The Pitch EG, or Envelope Generator, lets you create complex,
time-varying changes to the pitch of Oscillators 1 and 2. The
parameters on this page control the shape of the EG. For instance,
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 modulation time 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.
To control how much effect the EG has on the pitch, use the Pitch
EG parameters on the P–PITCH>MOD page, as described under
“4–2: MOD (Modulation)” on page 15.
Differences from the other EGs
The Pitch EG is different from the Filter and Amp EGs in several
ways:
• The single Pitch EG is shared by both Oscillator 1 and
Oscillator 2.
• The Sustain level is always 0.
• The Level modulation has two AMS sources instead of one, and
the Time modulation has one AMS source instead of three.
Pitch EG is also an AMS source
You can use the Pitch EG as an AMS source to modulate other
parameters, just like the keyboard tracking and LFOs. Simply
select the Pitch EG in the AMS list for the desired parameter.
5–1: ENVELOPE
Reset AMS (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, please see “AMS (Alternate
Modulation Source) List” on page 292.
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 where 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: For several LFO waveform types, or if the LFO cycle is fast,
the LFO output may not always keep up with high values such as
+99 or –99.
TIME/CURVE/LEVEL
Pitch EG
The envelope moves to a specified level over the specified time,
and then moves to the next specified level over the specified time.
It produces a modulation signal corresponding to this movement.
The parameters below let you set four levels, the amount of time it
takes to go from each of the levels to the next, and the shape (from
linear to curved) of each transition.
Time
Higher values mean longer times, as shown below:
Attack [00...99]
This sets how long the EG takes to move from the Start level to the
Attack level.
For the fastest possible attack time, you can set the Start level to
+99; in this case, the EG will start instantaneously at its maximum
value.
Dcy/Brk (Decay) [00...99]
This sets the time it takes to move from the Attack level to the
Break level.
Slope [00...99]
This sets how long the EG takes to move from the Break level to
the Sustain level (which for the Pitch EG is always 0). Once it
reaches the Sustain level, the EG will stay there until note-off,
unless it is reset via AMS.
Release [00...99]
This sets how long it takes the EG to move from the Sustain level
to the Release level.
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.
EG Value Actual Time
10 10 ms
20 44 ms
30 104 ms
40 224 ms
50 464 ms
60 944 ms
70 1.8 seconds
80 3.8 seconds
90 10.9 seconds
99 87.3 seconds
Note-on or reset
Attack
Time
Start
Level
Decay
Time
Release
Time
Release
Level
Attack
Level
Change to
Pitch
Sustain Level
(Always 0)
Time
Break
Level
Slope
Time
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