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2. 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

3. 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) or 12:9 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.

4. List of common display resolutions - Wikipedia

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

   16:9. 8,294,400. 7680 × 4320. 8K UHDTV. 4320p. 33,177,600. Many of these resolutions are also used for video files that are not broadcast. These may also use other aspect ratios by cropping otherwise black bars at the top and bottom which result from cinema aspect ratios greater than 16∶9, such as 1.85 or 2.35 through 2.40 (dubbed ...

5. Aspect ratio (image) - Wikipedia

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

   Common aspect ratios used in film and displays images. The common film aspect ratios used in cinemas are 1.85:1 and 2.40:1. [1] Two common videographic aspect ratios are 4:3 (1. 3:1), [a] the universal video format of the 20th century, and 16:9 (1. 7:1), universal for high-definition television and European digital television.

6. Display aspect ratio - Wikipedia

   en.wikipedia.org/wiki/Display_aspect_ratio

   This aspect ratio was chosen as the geometric mean between 4:3 and 2.35:1, an average of the various aspect ratios used in film. [3] While 16:9 is well-suited for modern HDTV broadcasts , older 4:3 video has to be either padded with bars on the left and right side (pillarboxed), cropped or stretched, while movies shot with wider aspect ratios ...

7. Widescreen - Wikipedia

   en.wikipedia.org/wiki/Widescreen

   In film, a widescreen film is any film image with a width-to-height aspect ratio greater than 4:3 (1.33:1). For TV, the original screen ratio for broadcasts was in 4:3 (1.33:1). Largely between the 1990s and early 2000s, at varying paces in different countries, 16:9 (e.g. 1920x1080p 60p) widescreen displays came into increasingly common use by ...

8. 4K resolution - Wikipedia

   en.wikipedia.org/wiki/4K_resolution

   4K resolution. 4K resolution refers to a horizontal display resolution of approximately 4,000 pixels. [1] Digital television and digital cinematography commonly use several different 4K resolutions. In television and consumer media, 3840 × 2160 (4K UHD) with a 16:9 aspect ratio is the dominant 4K standard, whereas the movie projection industry ...

9. High-definition television - Wikipedia

   en.wikipedia.org/wiki/High-definition_television

   NHK monochrome: 4:3 aspect ratio, 2125 lines, 50 Hz BBC colour: 8:3 aspect ratio, 1501 lines, 60 Hz [ 7 ] Since the formal adoption of Digital Video Broadcasting 's (DVB) widescreen HDTV transmission modes in the mid to late 2000s; the 525-line NTSC (and PAL-M ) systems, as well as the European 625-line PAL and SECAM systems, have been regarded ...