61 lines
709 B
Text
61 lines
709 B
Text
|
#lang scribble/manual
|
||
|
|
@(require (for-label racket))
|
||
|
|
|
||
|
|
@title{LPZ2}
|
||
|
|
Two zero fixed lowpass@section{related}
|
||
|
|
Classes/BPZ2, Classes/BRZ2, Classes/HPZ2
|
||
|
|
@section{categories}
|
||
|
|
UGens>Filters>Linear
|
||
|
|
|
||
|
|
|
||
|
|
@section{description}
|
||
|
|
|
||
|
|
|
||
|
|
A special case fixed filter. Implements the formula:
|
||
|
|
|
||
|
|
@racketblock[
|
||
|
|
out(i) = 0.25 * (in(i) + (2 * in(i - 1)) + in(i - 2)).
|
||
|
|
::
|
||
|
|
|
||
|
|
|
||
|
|
]
|
||
|
|
@section{classmethods}
|
||
|
|
|
||
|
|
|
||
|
|
@section{method}
|
||
|
|
ar, kr
|
||
|
|
|
||
|
|
@section{argument}
|
||
|
|
in
|
||
|
|
|
||
|
|
The input signal.
|
||
|
|
|
||
|
|
|
||
|
|
@section{argument}
|
||
|
|
mul
|
||
|
|
|
||
|
|
Output will be multiplied by this value.
|
||
|
|
|
||
|
|
|
||
|
|
@section{argument}
|
||
|
|
add
|
||
|
|
|
||
|
|
This value will be added to the output.
|
||
|
|
|
||
|
|
|
||
|
|
@section{Examples}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
@racketblock[
|
||
|
|
//Compare:
|
||
|
|
|
||
|
|
{ WhiteNoise.ar(0.25) }.play;
|
||
|
|
|
||
|
|
{ LPZ2.ar(WhiteNoise.ar(0.25)) }.play;
|
||
|
|
::
|
||
|
|
|
||
|
|
]
|
||
|
|
|
||
|
|
|