Sanford And Son Theme Song

SaS.js

// http://wavepot.com/

var b = makeNote(987.77);
var a = makeNote(880);
var fSharp = makeNote(739.99);
var f = makeNote(698.46);
var d = makeNote(587.33);
var _ = makeNote(0);

var rate = 4;
var song = [_, d, d, b, a, _, _, _, _, d, d, b, a, f, fSharp, d];

function makeNote(f) {
  return function(t) {
    return Math.sin(2 * Math.PI * t * f);
  }
}

function dsp(t) {
  var result = 0;
  var u = t * rate;
  var index = Math.floor(u) % song.length;
  
  if (u - Math.floor(u) > 0.8) return 0;

  return 0.5 * song[index](t);
}