70 lines
1 KiB
Text
70 lines
1 KiB
Text
|
#lang scribble/manual
|
||
|
|
@(require (for-label racket))
|
||
|
|
|
||
|
|
@title{HPF}
|
||
|
|
2nd order Butterworth highpass filter.@section{related}
|
||
|
|
Classes/BPF, Classes/BRF, Classes/LPF
|
||
|
|
@section{categories}
|
||
|
|
UGens>Filters>Linear
|
||
|
|
|
||
|
|
|
||
|
|
@section{description}
|
||
|
|
|
||
|
|
A second order high pass filter.
|
||
|
|
|
||
|
|
|
||
|
|
@section{classmethods}
|
||
|
|
|
||
|
|
|
||
|
|
@section{method}
|
||
|
|
ar, kr
|
||
|
|
|
||
|
|
@section{argument}
|
||
|
|
in
|
||
|
|
|
||
|
|
The input signal.
|
||
|
|
|
||
|
|
|
||
|
|
@section{argument}
|
||
|
|
freq
|
||
|
|
|
||
|
|
Cutoff frequency in Hertz.
|
||
|
|
WARNING: due to the nature of its implementation frequency values close to 0 may cause glitches and/or extremely loud audio artifacts!
|
||
|
|
|
||
|
|
|
||
|
|
@section{argument}
|
||
|
|
mul
|
||
|
|
|
||
|
|
Output will be multiplied by this value.
|
||
|
|
|
||
|
|
|
||
|
|
@section{argument}
|
||
|
|
add
|
||
|
|
|
||
|
|
This value will be added to the output.
|
||
|
|
|
||
|
|
|
||
|
|
@section{Examples}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
@racketblock[
|
||
|
|
{ HPF.ar(Saw.ar(200, 0.1), FSinOsc.kr(XLine.kr(0.7, 300, 20), 0, 3600, 4000), 5) }.play;
|
||
|
|
|
||
|
|
(
|
||
|
|
{ var ctl = HPF.kr(LFSaw.kr(5), SinOsc.kr(XLine.kr(0.07, 30, 20), 0, 35, 40)) ;
|
||
|
|
SinOsc.ar(ctl * 200 + 500);
|
||
|
|
}.play;
|
||
|
|
)
|
||
|
|
|
||
|
|
(
|
||
|
|
{ var ctl = HPF.kr(LFSaw.kr(5, 0.1), MouseX.kr(2, 200, 1));
|
||
|
|
SinOsc.ar(ctl * 200 + 400) * 0.1;
|
||
|
|
}.play;
|
||
|
|
)
|
||
|
|
::
|
||
|
|
|
||
|
|
]
|
||
|
|
|
||
|
|
|