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2. Digital television transition in the United States - Wikipedia

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

   12 June 2009 - final hours of analog broadcast on WWL-TV gave information about websites and telephone numbers for more information about transition. The digital transition in the United States was the switchover from analog to exclusively digital broadcasting of terrestrial television programming.

3. 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. Conducted by individual nations on different schedules ...

4. 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 ...

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. Analog television - Wikipedia

   en.wikipedia.org/wiki/Analog_television

   Analog television is the original television technology that uses analog signals to transmit video and audio. [1] In an analog television broadcast, the brightness, colors and sound are represented by amplitude, phase and frequency of an analog signal. Analog signals vary over a continuous range of possible values which means that electronic ...

7. 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]