Step s => dac;
.5 => s.gain;
float n,r,o; 
4 => int iterations;

while(samp=>now){
  Math.cos(n*.0001)+3 => r; 
  n => o;
  for(int i;i<iterations;i++) Math.sin(o*r) => o;
  o => s.next;
  n+.5 => n;
}