/* create text-to-speech and voice-text response to search the internet */
var msg = new SpeechSynthesisUtterance();
var voices = window.speechSynthesis.getVoices();
msg.voice = voices[10]; // Note: some voices don't support altering params
msg.voiceURI = 'native';
msg.volume = 1; // 0 to 1
msg.rate = 1; // 0.1 to 10
msg.pitch = 2; //0 to 2
msg.text = 'Hello World';
msg.lang = 'en-US';
speechSynthesis.speak(msg);
var recognition = new webkitSpeechRecognition();
recognition.continuous = true;
recognition.interimResults = true;
recognition.onresult = function(event) {
  var interim_transcript = '';
  for (var i = event.resultIndex; i < event.results.length; ++i) {
    if (event.results[i].isFinal) {
      final_transcript += event.results[i][0].transcript;
    } else {
      interim_transcript += event.results[i][0].transcript;
    }
  }
  final_transcript = capitalize(final_transcript);
  final_span.innerHTML = linebreak(final_transcript);
  interim_span.innerHTML = linebreak(interim_transcript);
};
recognition.start();