PV_MagNoise multiply magnitudes by noise

PV_MagNoise(buffer)

Magnitudes are multiplied with noise.

buffer - fft buffer.

See also FFT Overview.

s.boot;

(

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

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

)

(

SynthDef("help-magNoise", { arg out=0, bufnum=0;

var in, chain;

in = SinOsc.ar(SinOsc.kr(SinOsc.kr(0.08, 0, 6, 6.2).squared, 0, 100, 800));

chain = FFT(bufnum, in);

chain = PV_MagNoise(chain);

Out.ar(out, 0.5 * IFFT(chain).dup);

}).play(s,[\out, 0, \bufnum, b]);

)

(

SynthDef("help-magNoise2", { arg out=0, bufnum=0, soundBufnum=2;

var in, chain;

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

chain = FFT(bufnum, in);

chain = PV_MagNoise(chain);

Out.ar(out, 0.5 * IFFT(chain).dup);

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

)

b.free; c.free;