#lang scribble/manual
@(require (for-label racket))

@title{PV_MagDiv}
 Division of magnitudes@section{categories}
  UGens>FFT

@section{description}

Divides magnitudes of two inputs and keeps the phases of the first input.

@section{classmethods}
 
@section{private}
  categories

@section{method}
  new
@section{argument}
  bufferA
fft buffer A.
@section{argument}
  bufferB
fft buffer B.
@section{argument}
  zeroed
number to use when bins are zeroed out, i.e. causing division by zero (defaults to 0.0001)

@section{examples}
 

@racketblock[
s.boot;

(
SynthDef("help-magMul", { arg out=0;
	var inA, chainA, inB, chainB, chain;
	inA = WhiteNoise.ar(0.2);
	inB = LFSaw.ar(100, 0, 0.2);
	chainA = FFT(LocalBuf(2048), inA);
	chainB = FFT(LocalBuf(2048), inB);
	chain = PV_MagDiv(chainA, chainB);
	Out.ar(out, 0.5 * IFFT(chain).dup);
}).play;
)


c = Buffer.read(s, Platform.resourceDir +/+ "sounds/a11wlk01.wav");

(
SynthDef("help-magMul2", { arg out=0, soundBufnum=0;
	var inA, chainA, inB, chainB, chain;
	inA = LFSaw.ar([100, 150], 0, 0.2);
	inB = PlayBuf.ar(1, soundBufnum, BufRateScale.kr(soundBufnum), loop: 1);
	chainA = FFT(LocalBuf(2048), inA);
	chainB = FFT(LocalBuf(2048), inB);
	chain = PV_MagDiv(chainA, chainB);
	Out.ar(out,  0.1 * IFFT(chain));
}).play(s,[\out, 0, \soundBufnum, c]);
)

c.free;
::

]