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comb1~ Abstraction comb filter
A comb filter creates equally spaced peaks or troughs in the output signal's frequency response at each multiple of the peak width (a frequency value in Hz). This is done by adding a slightly delayed version of a signal to itself, which causes regularly-spaced phase cancellation in the signalís spectrum. Negative values for the intensity parameter cause the center frequency of all peaks to be shifted by half the peak width (i.e. the troughs occur at each multiple of the given width). The comb1~ module is a basic FIR (finite impulse response) comb filter which is much simpler than MSPís standard comb~ object. Usually, more than one comb1~ will be needed to produce enough volume for any musically useful filtering effects (it has a potential gain of 2).The help file shows how its gain may be boosted by connecting three (or more) in series.
comb2~ Abstraction comb filter
Unlike comb1~, this comb filter, an IIR filter, uses feedback in its delay line, so it has a very large potential gain, making it usable alone. This module comes closer to the standard comb~ object in MSP, although it does not implement feed-forward.
comb~ External IIR comb filter
IIR comb filter. The comb~ object implements a comb filter, in which a slightly delayed version of a signal is added to itself, causing phase cancellations and a spectrum that looks like a comb. The filter implements the following formula:
ol.tunedcomb~ External tuned comb filter / resonator
This is a comb filter/resonator that can be tuned in hz and have it's decay time set in seconds. It features allpass and linear interpolation, an LPF in the feedback chain and a dc blocking filter.
tap.5comb~ External bank of 5 comb filters
bank of 5 comb filters with presets
tap.lp-comb~ External comb filter with filtered feedback
tap.poly.5comb~ External poly bank of 5 comb filters
bank of 5 comb filters with presets
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