84 lines
1.4 KiB
Racket
84 lines
1.4 KiB
Racket
#lang scribble/manual
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@(require (for-label racket))
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@title{Amplitude}
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Amplitude follower@section{categories}
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UGens>Analysis>Amplitude
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@section{description}
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Tracks the peak amplitude of a signal.
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@section{classmethods}
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@section{method}
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ar, kr
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@section{argument}
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in
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Input signal
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@section{argument}
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attackTime
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60dB convergence time for following attacks.
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@section{argument}
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releaseTime
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60dB convergence time for following decays.
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@section{argument}
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mul
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@section{argument}
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add
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@section{examples}
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@racketblock[
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(
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// use input amplitude to control SinOsc frequency
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{
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SinOsc.ar(
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Amplitude.kr(
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Blip.ar(3, 20) * LFNoise1.kr(0.1).range(0, 1),
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MouseX.kr(0.001, 1, 1),
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MouseY.kr(0.001, 1, 1),
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1200,
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400
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),
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0, 0.3)
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}.play;
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)
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::
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]
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@racketblock[
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// use input amplitude to control Pulse amplitude - use headphones to prevent feedback.
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{ Pulse.ar(90, 0.3, Amplitude.kr(SoundIn.ar(0))) }.play;
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::
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]
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@racketblock[
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(
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// use input amplitude to control SinOsc frequency - use headphones to prevent feedback.
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{
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SinOsc.ar(
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Amplitude.kr(
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SoundIn.ar(0),
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0.01,
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0.01,
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1200,
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400
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),
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0, 0.3)
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}.play;
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)
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::
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]
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