PV_MagFreeze freeze magnitudes


PV_MagFreeze(buffer, freeze)


Freezes magnitudes at current levels when freeze > 0.

buffer - fft buffer.

freeze - if freeze > 0 then magnitudes are frozen at current levels.


See also FFT Overview.


s.boot;

(

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

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

)


(

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

var in, chain;

in = SinOsc.ar(LFNoise1.kr(5.2,250,400));

chain = FFT(bufnum, in);

// moves in and out of freeze

chain = PV_MagFreeze(chain, SinOsc.kr(0.2) ); 

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

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


)


(

//trig with MouseY

SynthDef("help-magFreeze2", { 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_MagFreeze(chain, MouseY.kr > 0.5 ); 

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

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

)


b.free; c.free;

Berlin: clubs bars cafes nightlife going out