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class:: PV_Mul
summary:: Complex multiply.
related:: Classes/FFT, Classes/IFFT, Classes/PV_Add, Classes/PV_CopyPhase, Classes/PV_MagMul, Classes/PV_Max, Classes/PV_Min
categories:: UGens>FFT
Description::
Complex Multiplication:
code::
(RealA * RealB) - (ImagA * ImagB),
(ImagA * RealB) + (RealA * ImagB)
::
classmethods::
method::new
argument::bufferA
FFT buffer A.
argument::bufferB
FFT buffer B.
Examples::
code::
s.boot;
(
SynthDef("help-mul", { arg out=0;
var inA, chainA, inB, chainB, chain ;
inA = SinOsc.ar(500, 0, 0.5);
inB = SinOsc.ar(Line.kr(100, 400, 5), 0, 0.5);
chainA = FFT(LocalBuf(2048), inA);
chainB = FFT(LocalBuf(2048), inB);
chain = PV_Mul(chainA, chainB);
Out.ar(out, 0.1 * IFFT(chain).dup);
}).play(s);
s.scope;
)
(
SynthDef("help-mul2", { arg out=0;
var inA, chainA, inB, chainB, chain ;
inA = SinOsc.ar(500, 0, 0.5) * Line.kr;
inB = LFNoise1.ar(20);
chainA = FFT(LocalBuf(2048), inA);
chainB = FFT(LocalBuf(2048), inB);
chain = PV_Mul(chainA, chainB);
Out.ar(out, 0.1 * IFFT(chain).dup);
}).play(s);
s.scope;
)
::
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