HD televisions are a popular TV electronics category that is being adopted and adapted by people around the world. It was first introduced at the turn of the century although broadcasters and researchers have been testing and developing it for much longer than that. The main emphasis and marketing hype of HD Televisions are the superior image quality it offers over analogue television.
While most analogue televisions were able to make the switch to digital television, the introduction of digital television set the stage for better more superior picture quality and a new TV design.
To be able to take advantage of the ability to produce superior images, most broadcasting and film producers made the switch to DV or digital video before HD Televisions were formally introduced. Movies such as Start Trek were produced in HD long before the format because widely available.
Broadcasters and media companies wanted to be able to produce content that made the TV viewing experience more exciting and could be viewed in any home without the need for extra equipment. Although it is still a far-fetched dream to be realised, most consumer electronics companies have been pushing for cheaper prices and making HD TVs as low as possible. To be able to enjoy what is being displayed on an HD TV, there are some factors that influence the quality. These include the screen sharpness, the refresh rate and screen size. Most of the technology used in HD televisions is from computers and in particular LCD monitors. Some experts have described HD Televisions as oversized LCD monitors. While this is partly true, for HD TVs to realize the image quality that they produce, most have built in image processing engines or units. With analogue TVs, the image processing/display engine was large and made the TV extend behind, making them unable to fit into certain spaces. With HD TVs, the size is shrunk down and widened so much so that there are HD TVs that are up to 72 inches in diameter.
Overall HD television viewing experience is superior than analogue but there are many other factors that enhance the viewing experience and while HD Televisions are a popular electronics category, there is a need for comprehensive knowledge of the different formats and screen types before making a purchase.
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