76 lines
854 B
Racket
76 lines
854 B
Racket
#lang scribble/manual
|
|
@(require (for-label racket))
|
|
|
|
@title{PV_BrickWall}
|
|
Zero bins.@section{related}
|
|
Classes/FFT, Classes/IFFT
|
|
@section{categories}
|
|
UGens>FFT
|
|
|
|
@section{description}
|
|
|
|
|
|
Clears bins above or below a cutoff point.
|
|
|
|
|
|
@section{classmethods}
|
|
|
|
|
|
@section{method}
|
|
new
|
|
|
|
@section{argument}
|
|
buffer
|
|
|
|
FFT buffer.
|
|
|
|
|
|
@section{argument}
|
|
wipe
|
|
|
|
Can range between -1 and +1.
|
|
|
|
|
|
If
|
|
|
|
@racketblock[wipe:: == 0 then there is no effect.
|
|
|
|
|
|
If
|
|
]
|
|
|
|
@racketblock[wipe:: > 0 then it acts like a high
|
|
pass filter, clearing bins from the bottom up.
|
|
|
|
|
|
If
|
|
]
|
|
|
|
@racketblock[wipe:: < 0 then it acts like a low
|
|
pass filter, clearing bins from the top down.
|
|
|
|
|
|
]
|
|
@section{Examples}
|
|
|
|
|
|
|
|
@racketblock[
|
|
|
|
s.boot;
|
|
|
|
(
|
|
{
|
|
var in, chain;
|
|
in = WhiteNoise.ar(0.2);
|
|
chain = FFT(LocalBuf(2048), in);
|
|
chain = PV_BrickWall(chain, SinOsc.kr(0.1));
|
|
IFFT(chain);
|
|
}.play
|
|
)
|
|
|
|
::
|
|
|
|
]
|
|
|
|
|