In todays society it is almost essential that your computer/ laptop or Mac will require sound to perform some of the most basic features such as Video/ Music or Gaming. Sound plays a crucial part of the way we interact with our computers especially for gamers as they rely on sound to play the game and enjoy all the benifits of HD features making the game almost feel "real" in essense.
Youtube and other popular video networks allow users to play video, although most of them will supply subtitles (Main stream videos mainly) it does not provide an enjoyable experience for the user by distracting their attention from the video conent.
Many home computers in today's society come pre-built with DVD drives, families use their computers to allow siblings to enjoy some of their favourite movies to free up the main TV for the adults, so sound provides you with quite content children.
In essense media streaming accross the internet plays a vital part in the modern world allowing us to view content that wouldn't be usually accessible, sound is one of the main components for our computer systems.
Please see health centre for further diagnosis and troubleshooting, alternativly call us on (01482) 244855.