PV_Add complex addition


PV_Add(bufferA,  bufferB)


Complex Addition: RealA + RealB, ImagA + ImagB

bufferA - fft buffer A.

bufferB - fft buffer B.

See also FFT Overview.


s.boot;

(

b = Buffer.alloc(s,2048,1);

c = Buffer.alloc(s,2048,1);

d = Buffer.read(s,"sounds/a11wlk01.wav");

)


(

SynthDef("help-add", { arg out=0, bufnumA=0, bufnumB=1, soundBufnum;

var inA, chainA, inB, chainB, chain ;

inA = PlayBuf.ar(1, soundBufnum, BufRateScale.kr(soundBufnum), loop: 1);

inB =  PlayBuf.ar(1, soundBufnum, BufRateScale.kr(soundBufnum) * 0.5, loop: 1);

chainA = FFT(bufnumA, inA);

chainB = FFT(bufnumB, inB);

chain = PV_Add(chainA, chainB); 

Out.ar(out,  0.1 * IFFT(chain).dup);

}).play(s,[\out, 0, \bufnumA, b.bufnum, \bufnumB, c.bufnum, \soundBufnum, d.bufnum]);

)


b.free; c.free; d.free;

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