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  2. 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.

  3. 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.

  4. 525 lines - Wikipedia

    en.wikipedia.org/wiki/525_lines

    Analog TV standard by nation: countries using 525-line are in green. 525-line (or EIA 525/60) is an American standard-definition television resolution used since July 1, 1941, [1] [2] [3] mainly in the context of analog TV broadcast systems.

  5. 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 ...

  6. 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 ...

  7. NTSC - Wikipedia

    en.wikipedia.org/wiki/NTSC

    The remaining Canadian analog TV transmitters, in markets not subject to the mandatory transition in 2011, were scheduled to be shut down by January 14, 2022, under a schedule published by Innovation, Science and Economic Development Canada in 2017; however the scheduled transition dates have already passed for several stations listed that ...

  8. Television lines - Wikipedia

    en.wikipedia.org/wiki/Television_lines

    Since analog transmission of video is scan line-based, the same number of horizontal lines is always transmitted. However, several factors impede the ability to display fine detail within a line: The camera or other source of material. The storage and processing of the picture. The transmission of the TV signal e.g. broadcast by radio or by cable.

  9. Television - Wikipedia

    en.wikipedia.org/wiki/Television

    Satellite TV systems formerly used systems known as television receive-only. These systems received analog signals transmitted in the C-band spectrum from FSS type satellites and required the use of large dishes. Consequently, these systems were nicknamed "big dish" systems and were more expensive and less popular.

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