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Modulation
SKULPT synthsiser has a comprehensive Modulation Matrix with 8 Slots, 8 Modulation Sources
and 37 Modulation destinations.
These Mod slots can be used to assign any combination of modulation sources to destinations,
meaning that 1 modulation source can be assigned to 8 different destinations, or 8
modulation sources can be assigned to a single destination, or any other combination thereof.
You cannot make the same assignment twice, each mod slot must be unique.
The Mod Matrix on Skulpt is additive - Modulation values are added or subtracted from
the modulated parameter value and limited to the parameter range. If a parameter is at 0,
negative modulation values will not be audible until the parameter value is increased. The
opposite is true for parameters at max value.
All modulation depths are bipolar, meaning sources can be inverted using negative depths.
When multiple mod slots are assigned to the same destination, the modulation from all
assigned slots is summed and limited before being applied.
Not all source to destination combinations are valid e.g. you cannot assign a polyphonic
modulation source to a monophonic destination.
Valid combinations are listed here:
Parameter
LFO1
LFO2
MOD-EG
NOTE
VELO
AFTT
MODW
CC
Wave 1
Wave 2
Mix
Global Pitch
Osc1 Pitch
Osc2 Pitch
FM
LFO1 Rate
X
X
X
X
LFO2 Rate
LFO1 Shape
X
X
X
X
X
LFO2 Shape
X
LFO1 Depth
X
X
X
X
X
LFO2 Depth
X
Modulation
Parameter
LFO1
LFO2
MOD-EG
NOTE
VELO
AFTT
MODW
CC
Cutoff
X
Reso
Morph
FEG Amount
X
FEG Attack
X
FEG Decay
X
FEG Sustain
X
FEG Release
X
AEG Amount
X
AEG Attack
X
AEG Decay
X
AEG Sustain
X
AEG Release
X
MEG Amount
X
MEG Attack
X
MEG Decay
X
MEG Sustain
X
MEG Release
X
Distortion
Delay
X
X
X
X
Time
X
X
X
X
Feedback
X
X
X
X
Spread
Glide
X
Scaling
LFO1 and LFO2 are scaled such that if they are assigned with maximum depth and the
modulated parameter is at it’s centre value, the full parameter range will be modulated.
All other modulation sources are scaled such that if they are assigned with maximum positive
depth and the modulated parameter is at 0, the full parameter range will be modulated.