// noise generator, filter, dac (audio output) 
Noise n => TwoPole f => dac;
// set pole radius
.95 => f.radius;
// set filter gain
.05 => f.gain;
// our float
0.0 => float t;

// infinite time-loop
while( true )
{
    // sweep the filter resonant frequency
    Std.fabs(Math.sin(t)) * 22050.0 => f.freq;
    t + .01 => t;
    // advance time
    5::ms => now;
}