r(".overlay > button").addEventListener("click", (e) => {
        let overlay = e.currentTarget.parentNode;
        overlay.parentNode.removeChild(overlay);
        startDecoder();
      })

      function startDecoder() {
        const frequencies = [392, 784, 1046.5, 1318.5, 1568, 1864.7, 2093, 2637];

        let audioContext;
        if('webkitAudioContext' in window) {
            audioContext = new webkitAudioContext();
        } else {
          audioContext = new AudioContext();
        }


        