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  2. Analog television - Wikipedia

    en.wikipedia.org/wiki/Analog_television

    Early monochrome analog receiver with large dials for volume control and channel selection, and smaller ones for fine-tuning, brightness, contrast, and horizontal and vertical hold adjustments. Analog television is the original television technology that uses analog signals to transmit video and audio. [1]

  3. Digital television transition - Wikipedia

    en.wikipedia.org/wiki/Digital_television_transition

    On 16 January 2023 at 7:18 PM, analog TV signals were switched off in the provinces of Panama, Panama Oeste, and Colón, in a ceremony that was broadcast. [259] [260] On 15 January 2024, analog signals were switched off in Coclé, Herrera, Los Santos and Veraguas, and on 17 June 2024 they were switched off in Bocas del Toro and Chiriquí. [261 ...

  4. 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 television transition in the United States was the switchover from analog to exclusively digital broadcasting of terrestrial television programming.

  5. Television channel frequencies - Wikipedia

    en.wikipedia.org/wiki/Television_channel_frequencies

    VHF analog TV ceased in New Zealand on 1 December 2013. Channels 10 and 11 weren't added until the late 1980s (except Indonesia). VHF analog TV channel 1A is only used in Indonesia. VHF is currently no longer used for television in Indonesia (except in some regions until 2022) and only UHF is used for both analog and digital television, as in ...

  6. Analog high-definition television - Wikipedia

    en.wikipedia.org/wiki/Analog_high-definition...

    Japan had the earliest working HDTV system, with design efforts going back to 1979. The country began broadcasting wideband analog high-definition video signals in the late 1980s using an interlaced resolution of 1035 or 1080-lines active (1035i) and 1125-lines total supported by the Sony HDVS line of equipment.

  7. Broadcast television systems - Wikipedia

    en.wikipedia.org/wiki/Broadcast_television_systems

    Analog television system by nation Analog color television encoding standards by nation. Every analog television system bar one began as a black-and-white system. Each country, faced with local political, technical, and economic issues, adopted a color television standard which was grafted onto an existing monochrome system such as CCIR System M, using gaps in the video spectrum (explained ...

  8. Top 25 things vanishing from America: #2 -- Analog TV - AOL

    www.aol.com/2008/07/20/top-25-things-vanishing...

    This series explores aspects of America that may soon be just a memory -- some to be missed, some gladly left behind. From the least impactful to the most, here are 25 bits of vanishing America. I ...

  9. Output power of an analog TV transmitter - Wikipedia

    en.wikipedia.org/wiki/Output_power_of_an_analog...

    In analogue TV broadcasting, the video signal modulates a carrier by a kind of amplitude modulation (VSB modulation or C3F). The modulation polarity is negative. That means that the higher the level of the video signal the lower the power of the RF signal. The lowest possible modulating signal during the synchrone interval yields 100% of the ...

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