If you can't hear any sound from the video, please check the following instructions:

1. Please check if the video player has been muted. If you click on the Speaker symbol in the bottom left of the video player, you can adjust the volume by moving it up with your mouse or by clicking the up arrow (⬆) on your keyboard.
2. Please check if the volume on your Windows or Mac OS has been muted. You can adjust the system volume by clicking on the Speaker symbol located on the bottom right of your screen.
3. Please check if your speakers or headphones have been muted. You can physically adjust the volume of your speakers or headphones on the device itself.
4. If you are watching our content on a Smartphone or Tablet, please adjust the volume of the device itself.

If the issues still persist, please send us an email at help@ondemandkorea.com.