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9.1.5. MIDI Settings
MIDI
settings
Values Description
Knob
acceleration
[Slow, Medium, Fast]
Sets the amount of acceleration applied to the
encoders.
Aftertouch
curve
[Linear, Exponential,
Logarithmic]
Sets the keyboard response curve for
Aftertouch
Velocity curve
[Linear, Exponential,
Logarithmic]
Sets the keyboard response curve for Velocity
Transport
send
[OFF, MMC, Realtime, Both]
Set whether the KeyStep Pro sends Transport
signals
Transport
receive
[OFF, MMC, Realtime, Both]
Set whether the KeyStep Pro receives
Transport signals
Clock send [OFF, ON] Enable/Disable clock send
Clock receive [OFF, ON] Enable/Disable clock receive
9.1.5.1. Knob Acceleration
There are three response curves for the encoders:
• Slow (Off): The encoders transmit every value. It takes many turns of an encoder
to move from minimum to maximum. Use this when greater precision is desired
• Medium: When turned quickly, the encoders will skip a few values. It takes fewer
turns of an encoder to move from minimum to maximum
• Fast: When turned quickly, the encoders will skip a few more values. It may
take as few as one-and-a-half turns of an encoder to move from minimum to
maximum.
9.1.5.2. Aftertouch Curve
Linear, Exponential and Logarithmic describe the mathematical shape of the pressure-
voltage curve that determines the amplitude of the voltage transmitted while you exert
pressure on a key you are holding at the bottom of its vertical travel.
In Linear mode, the voltage is directly proportional to the pressure. In Exponential mode,
the voltage initially increases rapidly as the pressure increases, but the
rate
of increase
gradually slows down as the pressure further increases. In Logarithmic mode, the converse
is true: the voltage initially increases slowly as the pressure increases, but the
rate
of
increase accelerates as the pressure further increases. When applied to control envelope
shapes, voltage-controlled filters (VCFs) and voltage-controlled amplifiers (VCAs), these
curves each result in very different aftertouch - or channel pressure - responsiveness.
9.1.5.3. Velocity Curve
By changing the velocity-voltage curve, you determine the way a sound characteristic such
as volume, tone or timbre responds to the speed or force with which you press a key. See
Aftertouch Curve above for the characteristics of each curve.
148 Arturia - User Manual Keystep Pro - KeyStep Pro Configuration
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