PV_MagAbove pass bins above a threshold
PV_MagAbove.ar(buffer, threshold)
Passes only bins whose magnitude is above a threshold.
buffer - fft buffer.
threshold - magnitude threshold.
s.boot;
(
b = Buffer.alloc(s,2048,1);
c = Buffer.read(s,"sounds/a11wlk01.wav");
)
(
SynthDef("help-magAbove", { 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));
//in = WhiteNoise.ar(0.2);
chain = FFT(bufnum, in);
chain = PV_MagAbove(chain, 310);
Out.ar(out, 0.5 * IFFT(chain).dup);
}).play(s,[\out, 0, \bufnum, b.bufnum]);
)
(
SynthDef("help-magAbove2", { arg out=0, bufnum=0;
var in, chain;
in = WhiteNoise.ar(0.2);
chain = FFT(bufnum, in);
chain = PV_MagAbove(chain, MouseX.kr(0, 10));
Out.ar(out, 0.5 * IFFT(chain).dup);
}).play(s,[\out, 0, \bufnum, b.bufnum]);
)
(
SynthDef("help-magAbove3", { 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_MagAbove(chain, MouseX.kr(0, 310));
Out.ar(out, 0.5 * IFFT(chain).dup);
}).play(s,[\out, 0, \bufnum, b.bufnum, \soundBufnum, c.bufnum]);
)