11.5

Effects and effect plug-ins 105
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The actual strength of the effect is dependent on the material, since the
feedback loop (as explained earlier) is addressed via compression and uses a
"tape saturation" effect. If you send a "loud" signal to the delay, then the
feedback will sound longer than at a lower level as compression "brings it up"
to a certain level. If you are used to "purely digital" delays, then this might take
some getting used to, but it will probably sound "livelier".
Flanger
The "Flange" effect is similar to that of the chorus, but does have a different
technical and historical background. It came about by chance: Someone
(various sources say John Lennon) slowed down one of two running
interconnected tape machines in a studio with his hand. The result: The rather
brief delay of the second signal compared to the first resulted in cancellations
within the frequency spectrum, leading to a so-called comb filter effect (the
sum of both signals creates "peaks" and "lows" in the spectrum that look
familiar to the teeth of a comb).
Flanging is basically a chorus effect, but it has a lower delay time (less than 10
ms). "Release" or signal doubling is not highlighted here; the result is a much
more creative frequency response deformation.