LPF 2nd order Butterworth lowpass filter


LPF.ar(in, freq, mul, add)


A second order low pass filter. 

in - input signal to be processed

freq - cutoff frequency.


{ LPF.ar(Saw.ar(200,0.1), SinOsc.kr(XLine.kr(0.7,300,20),0,3600,4000)) }.play;


// kr:

(

{ var ctl = LPF.kr(LFPulse.kr(8), SinOsc.kr(XLine.kr(1, 30, 5)) + 2);

SinOsc.ar(ctl * 200 + 400) 

}.play;

)


(

{ var ctl = LPF.kr(LFPulse.kr(8), MouseX.kr(2, 50, 1));

SinOsc.ar(ctl * 200 + 400) 

}.play;

)

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