81 lines
1.1 KiB
Text
81 lines
1.1 KiB
Text
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#lang scribble/manual
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@(require (for-label racket))
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@title{RLPF}
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A resonant low pass filter.@section{related}
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Classes/Formlet, Classes/RHPF, Classes/Resonz, Classes/Ringz
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@section{categories}
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UGens>Filters>Linear
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@section{description}
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A resonant low pass filter.
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@section{classmethods}
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@section{method}
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ar, kr
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@section{argument}
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in
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The input signal.
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@section{argument}
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freq
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Cutoff frequency in Hertz.
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WARNING: due to the nature of its implementation frequency values close to 0 may cause glitches and/or extremely loud audio artifacts!
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@section{argument}
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rq
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The reciprocal of Q (bandwidth / cutoffFreq).
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@section{argument}
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mul
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Output will be multiplied by this value.
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@section{argument}
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add
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This value will be added to the output.
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@section{Examples}
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@racketblock[
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{ RLPF.ar(Saw.ar(200, 0.1), SinOsc.ar(XLine.kr(0.7, 300, 20), 0, 3600, 4000), 0.2) }.play;
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(
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{ var ctl = RLPF.ar(Saw.ar(5, 0.1), 25, 0.03);
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SinOsc.ar(ctl * 200 + 400) * 0.1;
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}.play;
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)
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(
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{ var ctl = RLPF.ar(Saw.ar(5,0.1), MouseX.kr(2, 200, 1), MouseY.kr(0.01, 1, 1));
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SinOsc.ar(ctl * 200 + 400) * 0.1;
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}.play;
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)
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::
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]
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