rsc3/doc-schelp/HelpSource/Classes/BPZ2.scrbl

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2022-08-24 13:53:18 +00:00
#lang scribble/manual
@(require (for-label racket))
@title{BPZ2}
Two zero fixed midpass.@section{related}
Classes/BRZ2, Classes/HPZ2, Classes/LPZ2
@section{categories}
UGens>Filters>Linear
@section{description}
A special case fixed filter. Implements the formula:
@racketblock[
out(i) = 0.5 * (in(i) - in(i - 2)).
::
This filter cuts out 0 Hz and the Nyquist frequency.
]
@section{classmethods}
@section{method}
ar, kr
@section{argument}
in
The input signal.
@section{Examples}
@racketblock[
//Compare:
{ WhiteNoise.ar(0.25) }.play;
{ BPZ2.ar(WhiteNoise.ar(0.25)) }.play;
::
]