Set default volume of audios and videos to 80%

projects/common/element-components/control-bar/control-bar.component.ts

@@ -65,6 +65,7 @@ export class ControlBarComponent implements OnInit, OnChanges, OnDestroy {
     this.player.onvolumechange = () => {
       this.player.muted = !this.player.volume;
     };
+    this.player.volume = 0.8;
     this.lastVolume = this.player.volume;
   }