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Plasma specs...what do they mean?

Discussion in 'Plasma TVs Forum' started by welshy, May 14, 2004.

  1. welshy

    welshy
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    Can anyone explain these different modes to me please. I copied them from the specs of a plasma (make and model not important)

    Video Signal: PAL/ SECAM/ PAL60/ NTSC4.43/ NTSC3.58/ PAL-M/ PAL-N

    I know what PAL, SECAM and NTSC are but not the variants

    Component Signal: 480i/480p, 576i/576p, 720p (60), 1080i (50/60), 1035i (60)

    Don't understand these at all?

    Thanks.
     
  2. angelislington

    angelislington
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    Hi,

    PAL60 is PAL running at 60Hz. I know that there are differences between the two NTSC types and that there are different type of PAL, but I'm not sure what the differences are.

    The Component Signal numbers are the screens number of vertical lines and i or p, means interlaced or progressive. This relates to the how many 'passes' the screen makes to make one whole frame. Interlaced makes two i.e it shows lines 1,3,5 etc and then 2,4,6, to make a whole frame. Progressive does it all in one hit. This is better.

    Where it says 50/60, again this means 50 or 60 Hz.

    HTH.
     
  3. welshy

    welshy
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    Sure does thanks for your help :)

    But I'm still unclear, which one of those numbers does DVD run at? I read a lot about 720 and 1080 (for HDTV) but we don't get HDTV via terrestrial so what's the big deal?

    What about the other numbers...480, 576, 1035? Are they used? If so what for?

    Thanks.
     
  4. dimes

    dimes
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    480 720 etc... are signals that the display will accept through the input, in this case, component video. All fix pixel displays will scan progressive natively. While an HD plasma display scans 720 an ED will scan at 480. Sending a 480 signal to an HD panel an it will go through a scaling process to fit the panels native resolution.

    - Kevin
     
  5. gam

    gam
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    480 and 576 will be ntsc and pal to your component inputs

    the video signals (pal, ntsc etc) you mention will be to composite, svideo, etc inputs
     
  6. fatbob

    fatbob
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    These are the resolutions and signal formats that are compatible with this plasma. This basically lets you know what you can or can't connect to the plasma.

    Examples would be;

    480i
    A dvd player outputting an NTSC signal when playing a region 1 dvd.

    480p
    A progressive scan dvd player outputting a progressive NTSC signal when playing a region 1 dvd.

    576i
    A normal PAL signal which can be dvd or tv broadcasts such as Sky, Freeview or terrestrial.

    576p
    A progressive scan dvd player outputting a progressive PAL signal, or tv broadcasts being run through a line doubler or a scaler.

    720p/1080i
    These are both high definition resolutions which are mainly for the US market where there are broadcasts in these resolutions. The uses for 720p and 1080i in the UK are limited at the moment.
     
  7. welshy

    welshy
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    Goody, now I understand :) Thanks guys.
     

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