72 lines
1.1 KiB
Racket
72 lines
1.1 KiB
Racket
#lang scribble/manual
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@(require (for-label racket))
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@title{PV_MagFreeze}
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Freeze magnitudes.@section{categories}
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UGens>FFT
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@section{description}
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Freezes magnitudes at current levels when
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@racketblock[freeze:: > 0.
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]
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@section{classmethods}
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@section{method}
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new
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@section{argument}
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buffer
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FFT buffer.
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@section{argument}
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freeze
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If > 0, then magnitudes are frozen at current levels.
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@section{Examples}
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@racketblock[
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s.boot;
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b = Buffer.read(s, Platform.resourceDir +/+ "sounds/a11wlk01.wav");
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(
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SynthDef("help-magFreeze", { arg out=0;
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var in, chain;
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in = SinOsc.ar(LFNoise1.kr(5.2,250,400));
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chain = FFT(LocalBuf(2048), in);
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// moves in and out of freeze
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chain = PV_MagFreeze(chain, SinOsc.kr(0.2) );
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Out.ar(out, 0.1 * IFFT(chain).dup);
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}).play(s);
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)
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(
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//trig with MouseY
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SynthDef("help-magFreeze2", { arg out=0, soundBufnum=2;
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var in, chain;
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in = PlayBuf.ar(1, soundBufnum, BufRateScale.kr(soundBufnum), loop: 1);
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chain = FFT(LocalBuf(2048), in);
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chain = PV_MagFreeze(chain, MouseY.kr > 0.5 );
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Out.ar(out, 0.1 * IFFT(chain).dup);
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}).play(s,[\soundBufnum, b]);
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)
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b.free
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::
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]
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