"Desktop/220a/" => string dataDir;
"monthly_rainfall.dat" => string dataFile;

//impulse to filter to dac

Impulse i => BiQuad f => NRev rev => dac;

rev.mix(0.02);
0.996 => f.prad;

//set equal gain zeros
1 => f.eqzs;
0.05 => f.gain;

0.0 => float v;

DataReader rainfall;
rainfall.setDataSource(dataDir + dataFile);
rainfall.start(); 

while(!rainfall.isFinished()) {
   1.0 => i.next;
   rainfall.scaledVal() => float w; 
   Std.mtof(70.0 + w*18.0) => f.pfreq;
   v + 0.1 => v;
   
   Std.rand2f(200.0,1000.0)::ms => now;
}