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  <link rel="stylesheet" type="text/css" href="style.css">
  <meta charset="utf-8" />



  <img id="image1" src="" width="100%">

  <script src="sketch.js"></script>



                html, body {
  margin: 0;
  padding: 0;


                /* PDM Course: Sound Unit


var synth;
// create a keyboard
var keyboard = new AudioKeys();
var slider;
function setup() {
  synth = make_Noise().instrument;


  keyboard.down(note => {
    // convert MIDI velocity to gain
    var velToGain = map(note.velocity, 0, 127, 0, 1);
    synth.triggerAttack(, velToGain);

  keyboard.up(note => synth.triggerRelease());
  slider = createSlider(0.1, 30, 0.1, 0);
function draw() {
  synth.noise._playbackRate = slider.value()

function make_Noise() {
  // create synth
  var instrument = new Tone.NoiseSynth();
  var synthJSON = {
    "noise": {
        "type": "pink",
        "playbackRate" : 0.1
    "envelope": {
        "attack": 0.01,
        "decay": 2,
        "sustain": 0.5,
        "release": 3


  var effect1, effect2, effect3;

  // make connections

  // define deep dispose function
  function deep_dispose() {
    if (instrument != undefined && instrument != null) {
      instrument = null;

  return {
    instrument: instrument,
    deep_dispose: deep_dispose