enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  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. 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 ...

  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. High-definition television - Wikipedia

    en.wikipedia.org/wiki/High-definition_television

    High-definition television (HDTV) describes a television or video system which provides a substantially higher image resolution than the previous generation of technologies. The term has been used since at least 1933; [ 1 ] in more recent times, it refers to the generation following standard-definition television (SDTV).

  7. 525 lines - Wikipedia

    en.wikipedia.org/wiki/525_lines

    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. It consists of a 525-line raster , with 486 lines carrying the visible image at 30 (29.97 with color) interlaced frames per second.

  8. NTSC - Wikipedia

    en.wikipedia.org/wiki/NTSC

    The National Television System Committee was established in 1940 by the United States Federal Communications Commission (FCC) to resolve the conflicts between companies over the introduction of a nationwide analog television system in the United States. In March 1941, the committee issued a technical standard for black-and-white television that ...

  9. NTSC-J - Wikipedia

    en.wikipedia.org/wiki/NTSC-J

    A list of analog television systems worldwide; "System J" of NTSC is designated in dark red. Japan implemented the NTSC standard with slight differences. The black and blanking levels of the NTSC-J signal are identical to each other [10] (both at 0 IRE, similar to the PAL video standard), while in American NTSC the black level is slightly higher (7.5 IRE) than blanking level - because of the ...