start() {
    if (this.started) {
      this.stop();
    }
    this.noise = p5sound.audiocontext.createBufferSource();
    this.noise.buffer = this.buffer;
    this.noise.loop = true;
    this.noise.connect(this.output);
    var now = p5sound.audiocontext.currentTime;
    this.noise.start(now);
    this.started = true;
  }
Starts playing the noise.

 @method  start
 @for p5.Noise