PV_Mul complex multiply
PV_Mul.ar(bufferA, bufferB)
Complex Multiplication: (RealA * RealB) - (ImagA * ImagB), (ImagA * RealB) + (RealA * ImagB)
bufferA - fft buffer A.
bufferB - fft buffer B.
s = Server.internal.boot;
(
b = Buffer.alloc(s,2048,1);
c = Buffer.alloc(s,2048,1);
)
(
SynthDef("help-mul", { arg out=0, bufnumA=0, bufnumB=1;
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(bufnumA, inA);
chainB = FFT(bufnumB, inB);
chain = PV_Mul(chainA, chainB);
Out.ar(out, 0.5 * IFFT(chain).dup);
}).play(s,[\out, 0, \bufnumA, b.bufnum, \bufnumB, c.bufnum]);
s.scope;
)
(
SynthDef("help-mul2", { arg out=0, bufnumA=0, bufnumB=1;
var inA, chainA, inB, chainB, chain ;
inA = SinOsc.ar(500, 0, 0.5) * Line.kr;
inB = LFNoise1.ar(20);
chainA = FFT(bufnumA, inA);
chainB = FFT(bufnumB, inB);
chain = PV_Mul(chainA, chainB);
Out.ar(out, 0.5 * IFFT(chain).dup);
}).play(s,[\out, 0, \bufnumA, b.bufnum, \bufnumB, c.bufnum]);
s.scope;
)