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KDFX Reference
KDFX Algorithm Specifications
the Tempo. At “0”, the LFOs stop oscillating and their phase is undetermined (wherever
they stopped).
Fl Fdbk The level of the flanger feedback signal into the flanger delay line. The feedback signal is
taken from the LFO delay tap. Negative values polarity invert the feedback signal.
Fl L/R Phase The phase angles of the left and right LFOs relative to each other and to the system tempo
clock, if turned on (see Fl Tempo). In all other respects the right and left channels are
symmetric. For example, if one LFO is set to 0° and another is set to 180°, then when one
LFO delay tap is at its shortest, the other will be at its longest. If the system tempo clock is
on, the LFOs are synchronized to the clock with absolute phase. A phase of 0° will put an
LFO tap at the center of its range and its lengthening. Using different phase angles for left
and right, the stereo sound field is broken up and a stereo image becomes difficult to
spatially locate. The effect is usually described as “phasey”. It tends to impart a greater
sense of motion.
Fl StatLvl The level of the flanger static delay tap. Negative values polarity invert the signal. Setting
the tap level to 0% turns off the delay tap.
Fl LFO Lvl The level of the flanger LFO modulated delay tap. Negative values polarity invert the
signal. Setting the tap level to 0% turns off the delay tap.
FlStatDlyC The nominal length of the flanger static delay tap from the delay input. The name
suggests the tap is stationary, but it can be connected to a control source such as a data
slider, a ribbon, or a V.A.S.T. function to smoothly vary the delay length. The range for all
delays and excursions is 0 to 230 ms, but for flanging the range 0 to 5 ms is most effective.
FlStatDlyF A fine adjustment to the flanger static delay tap length. The resolution is one sample.
Fl Xcurs C The flanger LFO excursion controls set how far the LFO modulated delay taps can move
from the center of their ranges. The total range of the LFO sweep is twice the excursion. If
the excursion is set to 0, the LFO does not move and the tap behaves like a simple delay
line set to the minimum delay. The range for all delays and excursions is 0 to 230 ms, but
for flanging the range 0 to 5 ms is most effective. This parameter is a coarse adjustment for
the excursion.
Fl Xcurs F A fine adjustment for the flanger LFO excursions. The resolution is one sample.
Fl Delay C The minimum delay for the flanger LFO modulated delay taps. The maximum delay will
be the minimum plus twice the excursion. The range for all delays and excursions is 0 to
230 ms, but for flanging the range 0 to 5 ms is most effective. This parameter is a coarse
adjustment for the delay.
Fl Delay F A fine adjustment to the minimum flanger delay tap lengths. The resolution is one sample.
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