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  2. Digital television in the United States - Wikipedia

    en.wikipedia.org/wiki/Digital_television_in_the...

    The five main ATSC formats of DTV currently [when?] broadcast in the U.S. are: . Standard definition—480i, to maintain compatibility with existing NTSC sets when a digital television broadcast is converted back to an analog one [citation needed] —either by a converter box or a cable/satellite operator's proprietary equipment

  3. Digital television - Wikipedia

    en.wikipedia.org/wiki/Digital_television

    Changes in signal reception from factors such as degrading antenna connections or changing weather conditions may gradually reduce the quality of analog TV. The nature of digital TV results in a perfectly decodable video initially, until the receiving equipment starts picking up interference that overpowers the desired signal or if the signal ...

  4. Technology of television - Wikipedia

    en.wikipedia.org/wiki/Technology_of_television

    The elements of a simple broadcast television system are: . An image source. This is the electrical signal that represents a visual image, and may be derived from a professional video camera in the case of live television, a video tape recorder for playback of recorded images, or telecine with a flying spot scanner for the transfer of motion pictures to video).

  5. Digital on-screen graphics by country - Wikipedia

    en.wikipedia.org/wiki/Digital_on-screen_graphics...

    The BBC initially introduced a DOG on each of its digital-only channels. In October 1998, it added DOGs to BBC One and BBC Two on Sky Digital but following a large number of complaints they were removed two months later. [10] However, a BBC TWO DOG was used during the overnight BBC Learning Zone strand until 2015.

  6. Digital television transition in the United States - Wikipedia

    en.wikipedia.org/wiki/Digital_television...

    Consequently, a digital-to-analog converter, an electronic device that connects to an analog television, must be used in order to allow the television to receive digital broadcasts. [53] The box may also be called a "set-top" converter, "digital TV adapter" (DTA), or "digital set-top box" (DSTB). [54]

  7. Television in the United States - Wikipedia

    en.wikipedia.org/wiki/Television_in_the_United...

    In the United States, television is available via broadcast (also known as "over-the-air" or OTA) – the earliest method of receiving television programming, which merely requires an antenna and an equipped internal or external tuner capable of picking up channels that transmit on the two principal broadcast bands, very high frequency (VHF) and ultra high frequency (UHF), to receive the ...

  8. Regulations on children's television programming in the ...

    en.wikipedia.org/wiki/Regulations_on_children's...

    In February 2023, PBS reduced the amount of PBS Kids programming on the national schedule to eight hours per-day in the morning and early-afternoon hours; it cited viewing habits favouring its streaming platforms and PBS Kids digital channel, and successful moves by member stations such as KPBS San Diego and WOSU-TV Columbus to cut back on the ...

  9. DOGTV - Wikipedia

    en.wikipedia.org/wiki/DOGTV

    DOGTV provides 24/7 digital TV programming that is designed to provide entertainment for dogs. The programming, created with the help of dog behavior specialists, is color-adjusted to appeal to dogs, and features 3-6 minute segments designed to relax, to stimulate, and to expose the dog to scenes of everyday life such as doorbells or riding in ...

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