SuperCollider CLASSES

PV_MagBelow

Pass bins below a threshold.

Description

Passes only bins whose magnitude is below a threshold.

Class Methods

*new (buffer, threshold: 0)

From superclass: PV_MagAbove

Arguments:

buffer

FFT buffer.

threshold

Magnitude threshold.

Inherited class methods

Instance Methods

Inherited instance methods

Examples

s.boot;

(
b = Buffer.alloc(s,2048,1);
c = Buffer.read(s, Platform.resourceDir +/+ "sounds/a11wlk01.wav");
)

(
SynthDef("help-magBelow", { 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_MagBelow(chain, 10);
    Out.ar(out, 0.5 * IFFT(chain).dup);
}).play(s,[\out, 0, \bufnum, b.bufnum]);
)

(
SynthDef("help-magBelow2", { arg out=0, bufnum=0;
    var in, chain;
    in = WhiteNoise.ar(0.2);
    chain = FFT(bufnum, in);
    chain = PV_MagBelow(chain, MouseX.kr(0, 7));
    Out.ar(out, 0.5 * IFFT(chain).dup);
}).play(s,[\out, 0, \bufnum, b.bufnum]);
)

(
SynthDef("help-magBelow3", { 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_MagBelow(chain, MouseX.kr(0, 310));
    Out.ar(out, 0.5 * IFFT(chain).dup);
}).play(s,[\out, 0, \bufnum, b.bufnum, \soundBufnum, c.bufnum]);
)