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2. Display aspect ratio - Wikipedia

   en.wikipedia.org/wiki/Display_aspect_ratio

   The display aspect ratio (DAR) is the aspect ratio of a display device and so the proportional relationship between the physical width and the height of the display. It is expressed as two numbers separated by a colon (x: y), where x corresponds to the width and y to the height. Common aspect ratios for displays, past and present, include 5:4 ...

3. List of common display resolutions - Wikipedia

   en.wikipedia.org/wiki/List_of_common_display...

   The difference is that whilst D1 has a 4:3 aspect ratio 960H has a 16:9 widescreen aspect ratio. The extra pixels are used to form the increased area to the sides of the D1 image. The pixel density of 960H is identical to standard D1 resolution so it does not give any improvement in image quality, merely a wider aspect ratio.

4. Fullscreen (aspect ratio) - Wikipedia

   en.wikipedia.org/wiki/Fullscreen_(aspect_ratio)

   The aspect ratio of 4:3. Fullscreen (or full screen) refers to the 4:3 (1. 3:1) aspect ratio of early standard television screens and computer monitors. [1] Widescreen ratios started to become more popular in the 1990s and 2000s. Film originally created in the 4:3 aspect ratio does not need to be altered for full-screen release.

5. Aspect ratio (image) - Wikipedia

   en.wikipedia.org/wiki/Aspect_ratio_(image)

   The aspect ratio of an image is the ratio of its width to its height. It is expressed as two numbers separated by a colon, width:height. Common aspect ratios are 1.85:1 and 2.40:1 in cinematography, 4:3 and 16:9 in television, and 3:2 in still photography.

6. Widescreen - Wikipedia

   en.wikipedia.org/wiki/Widescreen

   The original screen ratio for TV broadcasts was 4:3 (1.33:1). This was the same aspect ratio as most cinema screens and films at the time TV was first sold commercially. 1930s and 1940s films in 4:3, such as Gone with the Wind, have always been displayed on television in 4:3, filling the entire frame.

7. High-definition television - Wikipedia

   en.wikipedia.org/wiki/High-definition_television

   All of these systems used interlacing and a 4:3 aspect ratio except the 240-line system which was progressive (actually described at the time by the technically correct term sequential) and the 405-line system which started as 5:4 and later changed to 4:3. The 405-line system adopted the (at that time) revolutionary idea of interlaced scanning ...

8. Standard-definition television - Wikipedia

   en.wikipedia.org/wiki/Standard-definition_television

   In other parts of the world that used the PAL or SECAM color systems, digital standard-definition television is now usually shown with a 16:9 aspect ratio, with the transition occurring between the mid-1990s and late-2000s depending on the region. Older programs with a 4:3 aspect ratio are broadcast with a flag that

9. Ultrawide formats - Wikipedia

   en.wikipedia.org/wiki/Ultrawide_formats

   The 64:27 aspect ratio is the logical extension of the existing video aspect ratios 4:3 and 16:9. It is the third power of 4:3, whereas 16:9 of widescreen HDTV is 4:3 squared. This allows electronic scalers and optical anamorphic lenses to use an easily implementable 4:3 (1.3 3 ) scaling factor.