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  2. Display resolution standards - Wikipedia

    en.wikipedia.org/wiki/Display_resolution_standards

    In the field of video, the resolution of 480i supports 640 samples per line (corresponding to 640x480) corresponding to Standard Definition (SD), in contrast to high-definition (HD) resolutions like 1280 × 720 and 1920 × 1080.

  3. Standard-definition television - Wikipedia

    en.wikipedia.org/wiki/Standard-definition_television

    Standard-definition television (SDTV; also standard definition or SD) is a television system that uses a resolution that is not considered to be either high or enhanced definition. [1] Standard refers to offering a similar resolution to the analog broadcast systems used when it was introduced.

  4. High-definition television - Wikipedia

    en.wikipedia.org/wiki/High-definition_television

    HDTV can be recorded to D-VHS (Digital-VHS or Data-VHS), W-VHS (analog only), to an HDTV-capable digital video recorder (for example DirecTV's high-definition digital video recorder, Sky HD's set-top box, Dish Network's VIP 622 or VIP 722 high-definition digital video recorder receivers (these set-top boxes allow for HD on the Primary TV and SD ...

  5. High-definition video - Wikipedia

    en.wikipedia.org/wiki/High-definition_video

    High-definition video (HD video) is video of higher resolution and quality than standard-definition. While there is no standardized meaning for high-definition , generally any video image with considerably more than 480 vertical scan lines (North America) or 576 vertical lines (Europe) is considered high-definition.

  6. Display resolution - Wikipedia

    en.wikipedia.org/wiki/Display_resolution

    1080p progressive scan HDTV, which uses a 16:9 ratio. Some commentators also use display resolution to indicate a range of input formats that the display's input electronics will accept and often include formats greater than the screen's native grid size even though they have to be down-scaled to match the screen's parameters (e.g. accepting a 1920 × 1080 input on a display with a native 1366 ...

  7. Serial digital interface - Wikipedia

    en.wikipedia.org/wiki/Serial_digital_interface

    The various serial digital interface standards all use (one or more) coaxial cables with BNC connectors, with a nominal impedance of 75 ohms. This is the same type of cable used in analog composite video setups, which potentially makes for easier "drop in" equipment upgrades (though may be necessary for long runs at the higher bitrates for older oxidising or lower grade of cable to replaced ...

  8. High-definition television transition - Wikipedia

    en.wikipedia.org/wiki/High-definition_television...

    Bulgaria: There is a mix between Simulcast HD and SD and SD only channels. Kazakhstan: Some channels are simulcasting in both HD and SD. Kyrgyzstan: Some channels are simulcasting in both HD and SD. Moldova: Although both Moldova 1 and Moldova 2 are still in 576i, there are some other non Moldovan Channels in Moldova with HD capabilities.

  9. High-definition television in the United States - Wikipedia

    en.wikipedia.org/wiki/High-definition_television...

    The event was simultaneously shown via satellite at a reception attended by members of congress, the FCC and members of the industry in Washington, DC. This telecast was also the first commercial HD broadcast in the state of Texas. [4] The first major sporting event broadcast nationwide in HD was Super Bowl XXXIV, broadcast by ABC on January 30 ...