rsc3/doc-schelp/HelpSource/Classes/K2A.scrbl

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2022-08-24 13:53:18 +00:00
#lang scribble/manual
@(require (for-label racket))
@title{K2A}
Control to audio rate converter.@section{related}
Classes/A2K
@section{categories}
UGens>Conversion
@section{description}
To be able to play a control rate UGen into an audio rate UGen,
sometimes the rate must be converted. K2A converts via linear
interpolation.
@section{classmethods}
@section{method}
ar
@section{argument}
in
The input signal.
@section{Examples}
@racketblock[
{ K2A.ar(WhiteNoise.kr(0.3)) }.scope;
// compare:
(
{
[
K2A.ar(WhiteNoise.kr(0.3)),
WhiteNoise.ar(0.3)
]
}.scope;
)
(
{
var freq, blockSize, sampleRate;
blockSize = s.options.blockSize; // usually 64
sampleRate = s.sampleRate;
freq = MouseX.kr(0.1, 40, 1) / blockSize * sampleRate;
[
K2A.ar(LFNoise0.kr(freq)),
LFNoise0.ar(freq)
] * 0.3
}.scope;
)
::
]