KDFX Reference
KDFX Algorithm Specifications
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Wet/Dry The amount of reverbed and gated (wet) signal relative to unaffected (dry) signal. The
gate is on the wet signal path.
Out Gain The overall gain or amplitude at the output of the effect.
Fdbk Lvl The percentage of the reverb output to feed back or return to the reverb input. Turning up
the feedback is a way to stretch out the duration of the reverb, or, if the reverb is set to
behave as a delay, to repeat the delay. The higher feedback is set, the longer the decay or
echo will last.
Xcouple LaserVerb Lite is a stereo effect. The cross-coupling control lets you send the sum of the
input and feedback from one channel to its own LaserVerb effect (0% cross coupling) or to
the other channel’s effect (100% cross coupling) or somewhere in between.
HF Damping The damping of high frequencies relative to low frequencies. When set to the highest
frequency (25088 Hz), there is no damping and all frequencies decay at the same rate. At
lower frequency settings, high frequency signal components will decay faster than low
frequency components. If set too low, everything will decay almost immediately.
GateIn/Out Enables (On) or disables (Off) the gate. Not affected by Wet/Dry.
GateSCInp Select whether the gate side chain signal should use the left (L) channel, right (R) channel
or the average magnitude of left and right channels ((L+R)/2) to control the gate.
GateSCSrc Select whether the gate side chain signal should be taken from the algorithm input or from
the LaserVerb output.
Dly Coarse You can set the overall delay length from 0 to 5 seconds. Lengthening the delay will
increase the duration or decay time of the reverb. To reduce LaserVerb to a simple delay,
set the Contour and Feedback controls to 0%. Use a delay of about half a second as a
starting point.
Dly Fine The delay fine adjust is added to the delay coarse adjust to provide a delay resolution
down to 0.1 ms.
Spacing Determines the starting pitch of the descending buzz and how fast it descends. The
Spacing parameter sets the initial separation of impulses in the impulse response and
subsequent rate of increasing impulse separation. The spacing between impulses is given
in samples and may be a fraction of a sample. (A sample is the time between successive
digital words which is 20.8 µs or 1/48000 seconds.) For low values, the buzz starts at high
frequencies and drops slowly. At high values the buzz starts at a lower pitch and drops
rapidly.
Contour Controls the overall envelope shape of the reverb. When set to a high value, sounds
passed through the reverb start at a high level and slowly decay. As the control value is
reduced, it takes some time for the effect to build up before decaying. At a value of
around 34, the reverb is behaving like a reverse reverb, building up to a hit. When the
Contour is set to 0, LaserVerb is reduced to a simple delay.
Gate Thres -79.0 to 0.0 dB Gate Time 25 to 3000 ms
Gate Duck On or Off Gate Atk 0.0 to 228.0 ms
Gate Rel 0 to 3000 ms
GateSigDly 0.0 to 25.0 ms
|||||||||||||||||||||||||||||| Reduction
-dB 60 40 ❃ 16 ❃ 8 4 0
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