<script type='text/javascript' src='http://www.youtube.com/iframe_api'></script>

<script type='text/javascript'>
    var player;
    function onYouTubeIframeAPIReady(){
        player=new YT.Player('playerId',{events:{onReady:onPlayerReady}})
    }
    function onPlayerReady(event){
        player.mute();player.setVolume(0);player.playVideo();
    }
</script>

<iframe id='playerId' type='text/html' width='1280' height='720' src='https://www.youtube.com/embed/IL_CODICE_DEL_TUO_VIDEO?enablejsapi=1&rel=0&playsinline=1&autoplay=1&showinfo=0&autohide=1&controls=0&modestbranding=1' frameborder='0'>

<div id="muteYouTubeVideo"></div>

<script async src="https://www.youtube.com/iframe_api"></script>
<script>
 function onYouTubeIframeAPIReady() {
  var player;
  player = new YT.Player('muteYouTubeVideo', {
    videoId: 'IL_CODICE_DEL TUO_VIDEO', // YouTube Video ID
    width: 560,               // Player width (in px)
    height: 316,              // Player height (in px)
    playerVars: {
      autoplay: 1,        // Auto-play the video on load
      controls: 1,        // Show pause/play buttons in player
      showinfo: 0,        // Hide the video title
      modestbranding: 1,  // Hide the Youtube Logo
      loop: 1,            // Run the video in a loop
      fs: 0,              // Hide the full screen button
      cc_load_policy: 0, // Hide closed captions
      iv_load_policy: 3,  // Hide the Video Annotations
      autohide: 0         // Hide video controls when playing
    },
    events: {
      onReady: function(e) {
        e.target.mute();
      }
    }
  });
 }

  
</script>