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HTML 

              
                <!doctype html>
<html>
<head>
  <script src="https://cdn.pubnub.com/pubnub-3.15.1.min.js"></script>
  <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.6/angular.min.js"></script>
  <script src="https://cdn.pubnub.com/sdk/pubnub-angular/pubnub-angular-3.2.1.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>
  <script src="https://cdglabs.github.io/ohm/dist/ohm.js"></script>
  <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.2/css/bootstrap.min.css" />
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css" />
</head>
<body>
<div class="container" ng-app="PubNubAngularApp" ng-controller="MySpeechCtrl">

<pre>NOTE: make sure to update the PubNub keys below with your keys!</pre>
  
<h3>MyVoice to Commands</h3>

<pre>
  KNOWN COMMANDS:

  "set timer for 45 minutes"
  "set alarm for 5 o'clock"
  "what time is it"
</pre>

<input type="button" ng-click="dictateIt()" value="Speak a Command" />

<br /><br />
  
<ul>
  <li ng-repeat="command in commands track by $index">
    {{command.text}}
    <a ng-click="handleIt(command)">(handle again)</a>
  </li>
</ul>

</div>
<script type="text/ohm-js">
// An Ohm grammar for parsing voice commands
COMMAND {
  command       = timer_cmd | alarm_cmd | time_isit_cmd
  timer_cmd     = "set timer for " number " minutes"
  alarm_cmd     = "set alarm for " number " o'clock"
  time_isit_cmd = "what time is it"
  number        = digit+
}
</script>
<script>
var gram = ohm.grammarFromScriptElement();
var sem  = gram.semantics().addOperation('toList',{
  number:        function(a)            { return parseInt(this.interval.contents,10); },
  timer_cmd:     function(_, number, _) { return ['timer_cmd', number.toList(), " minutes"]; },
  alarm_cmd:     function(_, hour, _)   { return ['alarm_cmd', hour.toList(), " o'clock"]; },
  time_isit_cmd: function(x)            { return ['time_isit_cmd']; },
  command:       function(x)            { return {text:this.interval.contents, cmd:x.toList()}; }
});

angular.module('PubNubAngularApp', ["pubnub.angular.service"])
.controller('MySpeechCtrl', function($rootScope, $scope, Pubnub) {
  $scope.commands     = [{text:"no commands yet"}];
  $scope.msgChannel   = 'MySpeech';

  if (!$rootScope.initialized) {
    Pubnub.init({
      publish_key: 'YOUR_PUB_KEY',
      subscribe_key: 'YOUR_SUB_KEY',
      ssl:true
    });
    $rootScope.initialized = true;
  }

  var msgCallback = function(payload) {
    $scope.$apply(function() {
      $scope.commands.push(payload);
    });
    $scope.handleIt(payload);
  };

  Pubnub.subscribe({ channel: [$scope.msgChannel, $scope.prsChannel], message: msgCallback });

  $scope.handleIt = function (command) {
    if (command.cmd && command.cmd[0] === "time_isit_cmd") {
      window.speechSynthesis.speak(new SpeechSynthesisUtterance("the current time is " + (new Date()).toISOString().split("T")[1].split(".")[0]));
    } else if (command.cmd) {
      window.speechSynthesis.speak(new SpeechSynthesisUtterance("okay, got it - I will " + command.text));
    } else {
      window.speechSynthesis.speak(new SpeechSynthesisUtterance("I'm not quite sure about that"));
    }
  };
  
  $scope.dictateIt = function () {
    var theText = "";
    var recognition = new webkitSpeechRecognition();
    recognition.onresult = function (event) {
      for (var i = event.resultIndex; i < event.results.length; i++) {
        if (event.results[i].isFinal) {
          theText  += event.results[i][0].transcript;
        }
      }

      var match  = gram.match(theText.toLowerCase());
      var result = match.succeeded() ? sem(match).toList() : {text:theText};

      Pubnub.publish({
        channel: $scope.msgChannel,
        message: result
      });
    };
    recognition.start();
  };
});
</script>
</body>
</html>
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