47 lines
1.2 KiB
Text
47 lines
1.2 KiB
Text
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class:: MoogFF
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summary:: Moog VCF implementation, designed by Federico Fontana
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categories:: UGens>Filters
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related:: Classes/RLPF, Classes/LPF
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description::
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A digital implementation of the Moog VCF (filter). footnote::
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The design of this filter is described in the conference paper Fontana, F. (2007) emphasis::Preserving the Digital Structure of the Moog VCF::. In Proc. ICMC07, Copenhagen, 25-31 August 2007.
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::
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footnote::
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Original Java code created by F. Fontana - August 2007 - federico.fontana@univr.it
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Ported to C++ for SuperCollider by Dan Stowell
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classmethods::
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method:: ar, kr
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argument:: in
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the input signal.
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argument:: freq
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the cutoff frequency.
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argument:: gain
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the filter resonance gain, between zero and 4.
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argument:: reset
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when greater than zero, this will reset the state of the digital filters at the beginning of a computational block.
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argument:: mul
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argument:: add
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examples::
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code::
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s.boot;
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// Play it with the mouse...
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x = { MoogFF.ar(WhiteNoise.ar(01.1), MouseY.kr(100, 10000, 1), MouseX.kr(0, 4)) }.play(s);
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x.free;
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// Mmmm, throbby
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(
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x = {
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MoogFF.ar(
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Pulse.ar([40,121], [0.3,0.7]),
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SinOsc.kr(LFNoise0.kr(0.42).range(0.001, 2.2)).range(30, 4200),
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0.83 * 4)}.play(s);
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)
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x.free;
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::
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