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2. Digital television - Wikipedia

   en.wikipedia.org/wiki/Digital_television

   t. e. Digital television (DTV) is the transmission of television signals using digital encoding, in contrast to the earlier analog television technology which used analog signals. At the time of its development it was considered an innovative advancement and represented the first significant evolution in television technology since color ...

3. History of television - Wikipedia

   en.wikipedia.org/wiki/History_of_television

   Digital television (DTV) is the transmission of audio and video by digitally processed and multiplexed signal, in contrast to the totally analog and channel separated signals used by analog television. Digital TV can support more than one program in the same channel bandwidth. [134]

4. Television in New Zealand - Wikipedia

   en.wikipedia.org/wiki/Television_in_New_Zealand

   A major benefit of digital television is the ability to overcome the poor reception caused by New Zealand's rugged topography. Digital TV offers more channels, better pictures and sound quality and new services such as on-screen programme guides.

5. Digital television in the United States - Wikipedia

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

   Digital television sets (equipped with ATSC tuners) are often capable of viewing a baseline set of unencrypted digital programming, known as basic cable or low-tier channels, which typically include local network television affiliates. According to FCC regulations, television providers must provide "separable security" for accessing encrypted ...

6. Digital television transition in the United States - Wikipedia

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

   The digital transition in the United States was the switchover from analog to exclusively digital broadcasting of terrestrial television programming. According to David Rehr, then president and CEO of the National Association of Broadcasters , this transition represented "the most significant advancement of television technology since color TV ...

7. Television channel frequencies - Wikipedia

   en.wikipedia.org/wiki/Television_channel_frequencies

   Television channel frequencies. The following tables show the frequencies assigned to analog broadcast television channels in various regions of the world, along with the ITU letter designator for the system used. The frequencies shown are for the analog video and audio carriers. The channel itself occupies several megahertz of bandwidth.