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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 transition in the United States - Wikipedia

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

    Digital TV encoding allows stations to offer higher definition video and better sound quality than analog, as well as allowing the option of programming multiple digital subchannels (multicasting). However, it provides these advantages at the cost of a severe limitation of broadcast range. [citation needed]

  4. 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 ...

  5. Digital television transition - Wikipedia

    en.wikipedia.org/wiki/Digital_television_transition

    The digital television transition, also called the digital switchover (DSO), the analogue switch/sign-off (ASO), the digital migration, or the analogue shutdown, is the process in which older analogue television broadcasting technology is converted to and replaced by digital television.

  6. Television transmitter - Wikipedia

    en.wikipedia.org/wiki/Television_transmitter

    A television transmitter is a transmitter that is used for terrestrial (over-the-air) television broadcasting.It is an electronic device that radiates radio waves that carry a video signal representing moving images, along with a synchronized audio channel, which is received by television receivers ('televisions' or 'TVs') belonging to a public audience, which display the image on a screen.

  7. Video of Dog & Baby Girl’s Window Tradition Captures Hearts

    www.aol.com/lifestyle/video-dog-baby-girl-window...

    A Bernese Mountain Dog […] The post Video of Dog & Baby Girl’s Window Tradition Captures Hearts appeared first on DogTime. Video of Dog & Baby Girl’s Window Tradition Captures Hearts

  8. Television antenna - Wikipedia

    en.wikipedia.org/wiki/Television_antenna

    The oldest and most widely used (at least in the United States) indoor antenna is the rabbit ears or bunny ears, which are often provided with new television sets. [6] It is a simple half-wave dipole antenna used to receive the VHF television bands, consisting in the US of 54 to 88 MHz ( band I ) and 174 to 216 MHz ( band III ), with ...

  9. Why Elephants Have Big Ears: The Secret to Staying Cool

    www.aol.com/why-elephants-big-ears-secret...

    Elephants have massive ears to help regulate their body temperature. They have huge blood vessels in their ears. The blood vessels are large and quite visible on the backs of the elephant’s ears.