54 lines
900 B
Text
54 lines
900 B
Text
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class:: HPF
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summary:: 2nd order Butterworth highpass filter.
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related:: Classes/BPF, Classes/BRF, Classes/LPF
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categories:: UGens>Filters>Linear
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Description::
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A second order high pass filter.
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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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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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argument::mul
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Output will be multiplied by this value.
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argument::add
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This value will be added to the output.
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Examples::
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code::
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{ HPF.ar(Saw.ar(200, 0.1), FSinOsc.kr(XLine.kr(0.7, 300, 20), 0, 3600, 4000), 5) }.play;
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(
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{ var ctl = HPF.kr(LFSaw.kr(5), SinOsc.kr(XLine.kr(0.07, 30, 20), 0, 35, 40)) ;
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SinOsc.ar(ctl * 200 + 500);
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}.play;
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)
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(
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{ var ctl = HPF.kr(LFSaw.kr(5, 0.1), MouseX.kr(2, 200, 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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