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The Effects and Parameters
Comb 1 and Comb 2
Comb 1
Comb 2
Mix Level LoCut HiCut Comb Notch
0-100% Off, -89 to +6dB 100-10000Hz 100-10000Hz 0-100 -100 to +100
Dry/Wet ratio Amount of effect in the processed signal Corner frequency of the low cut filter Corner frequency of the high cut filter A microdelay which positions the notch Increases the audibility of the notch Ratio of filter and delay output levels:
Notch -100 -50 0 50 100 Filter Output 0% 100% 100% 100% 0% Mod DelayOutput -100% -100% 0% 100% 100%
The Comb effects work by combining the original input signal with a micro-delayed version. The tiny delay difference between the two signals causes certain frequencies to be cancelled or reinforced when the two are combined. The result is a highly colored version of the original source. The coloration can be �tuned� with the Comb (Comb 1) or Depth (Comb 2). Low and High pass filters are included so you can limit the frequency band in which the combing occurs. Comb 1 is a mono comb with single-pole low and high cut filters. There are two ways to get the comb effect. The first is to set mix to 100% (wet), then set Notch to 50 or -50. This essentially creates a band-limited signal (limited by LoCut and HiCut) which is then run through a comb. You can also set mix= 50%, Lvl = 0dB, and Notch= +100. In this case, the band-limiter is part of the comb. In this version, the effect produces shallower notch depths outside the bandlimit region. Comb 2 is a dual mono comb with a second tap, controlled by a single LFO with adjustable phase. The phase relation between the two waves can be adjusted between 0-270°.
35 Comb1 51
Rate (Rate Units) PW Depth* Res Phase
0-50Hz or 1:24-24:1 cycles/beat 0-100% 0-100% -100 to +100 0°-270°
Mod rate or period ratio (Comb 2 only) Selects frequency or cycles/beat (Comb 2 only) Mod pulse width (Comb 2 only) Mod depth (Comb 2 only) Resonance (Comb 2 only) Phase difference between the right and left Mod (Comb 2 only)
