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1080i Downscaling on 1280x720 Native Res Displays?

Discussion in 'Televisions' started by TMACRPG, Apr 2, 2006.


    TMACRPG Regular member

    Jan 4, 2006
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    I'm savvy enough in the electronics world, but I admit I don't know everything. =D So I have a question for all you well informed people here at aD that's been bugging me for awhile.

    With HDTVs that claim to display 1080i and only have a native resolution of 1280x720 (or even 768), wouldn't such a display merely be downscaling the 1080i source? To me that makes sense logically, but you never can be too sure, because sometimes I doubt my own mind's perception of "logical".

    I ask this because I've finally thought of joining the ranks of HDTV owners and I've been looking at DLP TVs for their lower maintenance; having to replace a bulb instead of the whole screen going kaput. But most DLP TVs only have 1280x720 resolutions and most only claim up to 720p. So I was wondering if actually having "1080i" on a 1280x720 display makes a darn difference at all. I'm guessing not.
  2. diabolos

    diabolos Guest

    Yes. 720p displays except 1080 signals but only show 1280x720 lines. The 1080i frames must be "Scaled" down from 1920x1080 to 1280x720 or 1366x768.


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