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Step 2 - Screen Sizes And Formats

There is a large choice of tv models offering both flat panel and standard television screens in many different sizes.
The information below is designed to help you to further understand how screen sizes are measured and the difference between existing screen formats.

Screen Size
TV screens are measured diagonally. A 36" TV will have a screen that measures 36" from the top right corner to the bottom left corner whether it is in a flat panel or a standard screen format.

Image Aspect Ratio
This is the ratio of the width to the height of the image displayed on the TV screen. 4:3 is the standard ratio. Many modern televisions are designed to display a 16:9 wide screen image.

Standard 4:3 format
The majority of television programmes today are broadcasted in the almost square format of a 4:3 image aspect ratio. Within the next 10 years, which is the ordinary lifetime of most TVs, the majority of broadcasted TV films and programmes are likely to be produced in the widescreen 16:9 format. When films are shown on conventional TVs much of the picture is lost when the 16:9 format is altered to 4:3. Remember, not everybody wants a widescreen television. However, due to the growth of low cost LCD televisions in smaller widescreen sizes (less than 20"), the market is now continuing to buy widescreen televisions (small and large) in ever increasing numbers.

Tube TV, 16:9 format

The human field of vision is by nature greater on the horizontal plane compared to the vertical plane. This makes the 16:9 format an ideal size ratio for the human eye. Most films are produced in a widescreen format and can be reproduced in their original format on a 16:9 TV. With a widescreen television you get a more cinematic feel at home and a better view of sport broadcasts.

Further Useful Information

Types of Television Screens
Back to Step 2 - TV Screen Guide

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