Larger television yields a larger view?

Discussion in 'Amateur Video Production' started by Grinder, Nov 25, 2005.

  1. Grinder

    Grinder Guest

    Please help to resolve a disagreement I'm having with my nephew.

    He believes that if I were to get a 72" television set to replace my 19"
    model, that the view available in video games would be enlarged. Not
    just a larger version of the same screens, but that the character's
    perhipheral vision would be increased, for example.

    I do not believe this to be the case, but in the interest of an
    impartial response, I've posted this here. Thanks for your time and
    Grinder, Nov 25, 2005
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  2. Grinder

    Smarty Guest

    A 72" set is merely a larger version of the smaller 19" image - - no more,
    no less.

    Smarty, Nov 25, 2005
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  3. "Grinder" wrote ...
    Same picture. Spread over a larger screen.
    Suggest your nephew become better acquainted
    with reality.
    Richard Crowley, Nov 25, 2005
  4. Grinder

    Grinder Guest

    I told him that I hoped he was pulling my leg with such a theory,
    because the alternative was sad. I was disheartened to see a puzzled
    look on his face.
    Grinder, Nov 25, 2005
  5. Actually, potentially true! Your 19" set is probably a CRT, and all
    domestic CRT sets deliberately lose a certain amount of picture off
    the edge of the tube - typically 5% - 10%. This is called overscan and
    is there to hide the fact that it's actually difficult to make a CRT
    give a completely geometrically perfect picture, especially when the
    brightness of the image is constantly changing.

    A 72" set would presumably be some kind of DLP projector or flat panel
    (do they go that big?), which doesn't suffer from geometric distortion
    and so is likely to be displaying all of the picture.


    The Doctor Who Restoration Team Website
    Steve Roberts, Nov 25, 2005
  6. Grinder

    gg Guest

    In the past I have observed that SOME small TVs do not display the
    entire picture as evidenced on side by side comparison with much
    larger TVs, such as in a store. It has been too long to provide any
    details except that this was perhaps 10 years ago and the difference
    was noticeable, although not tremenous.

    The most likely reason is that with the smaller screen manufacturers
    feel that it is best to concentrate the available resources to the
    center of the action. It is also possible that the smaller screen was
    of poorer quality and the edges might have been trimmed to avoid
    distortion that might have otherwise been present.

    As most storers today usually only display the large and very large
    screens it might not help to try to compare in store. Perhaps you
    could find some way of taking a digital image pic of a specific screen
    with your existing TV and another of the same image on a large screen
    in a friend's home or in a store.

    gg, Nov 25, 2005
  7. Yes, but by the same method, a 2.5 inch LCD (with no overscan)
    will show MORE of the picture than an overscanned 37-inch CRT.
    Avoid confusing display size with overscan.
    Richard Crowley, Nov 25, 2005
  8. Grinder

    marks542004 Guest

    The only extra picture area you MIGHT get is if the bigger set shows
    more of the overscan area.

    You could adjust your smaller set the same way.

    You might be able to show some games if they have an option for 16:9
    format rather than 4:3.

    Otherwise if your nephew was correct I have been missing a lot of the
    programming from TV cause I only have a 13" tv. Should I buy a 26" and
    get four times the picture area - I don't think it works that way. :)
    marks542004, Nov 25, 2005
  9. Grinder

    Markeau Guest

    Has anyone compared the horizontal view/size of a, for example, xbox
    game that supports 1080i (16x9) but is played on a 480 (4:3) set? It
    seems that you would get more viewable graphics on the left and right
    edges on the 16x9; but, not sure.
    Markeau, Nov 26, 2005
  10. Erm, I wasn't... I was pointing out that a 72" CRT does not exist,
    therefore a display that big would have to be a panel or projector and
    therefore probably not a display device which overscanned.



    The Doctor Who Restoration Team Website
    Steve Roberts, Nov 30, 2005
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