Chapter 5: Effects Section 47
EFFECTS SECTION
A Minimum Delay control serves to tune the flanger. In other words,
it adjusts the placement of the comb filter notches. The initial delay is
variable from 26 microseconds to 6.5 milliseconds.
FXA:StereoFlange
Min Delay 100
A Low Frequency Oscillator (LFO) varies this initial delay setting,
changing the frequency of the notches and adding animation to the
sound. The LFO Rate controls the rate of change and the LFO Depth
controls how much the delay is changed by the LFO. The LFO adds to
the initial delay time so that with LFO Depth set to 255 the maximum
delay time is 13 milliseconds.
FXA:StereoFlange
LFO Rate 038
FXA:StereoFlange
LFO Depth 150
The Feedback control sends some of the delayed signal through the
delay line again. When positive feedback is used (values +1 to +127),
the comb filter notches are deepened; when negative feedback is used
(values -1 to
-127) resonant peaks are formed between the notches which increase
with the amount of negative feedback.
FXA:StereoFlange
Feedback -127
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