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Scaled-up vs scaled-down

Discussion in 'TVs' started by pingu, Nov 30, 2004.

  1. pingu

    pingu
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    Hi all,

    First some assumptions that I hope are correct:

    1) Future HD broadcasts in the UK will be made in either 720p or 1080i and this can be on a per programme / channel basis.
    2) Blu-ray / HD-DVD discs can contain either 720p or 1080i content (or standard def.) at the choice of the content supplier / distributor.

    So, given that the HD display I will buy will be either a 720 or 1080 line one that supports both formats (and will be perfect for the corresponding format), is it better to watch 720p scaled up on a 1080 line display or 1080i scaled down on a 720 line display?

    I guess the ratio of 720p to 1080i content produced is a major factor as is the extra premium of 1080 line displays, but I'm just trying to get a feel for if there is a noticable difference - i.e., will buying a 720 line display mean missing out on the full splendor of 1080i content or vice versa?

    Cheers,
    Steve.
     
  2. Rimmer

    Rimmer
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    You're assumptions are largely correct, although HD-DVD/Blu-ray is also likely to support 1080p at 24/25/30 frames per second.

    1280 x 720 resolution TVs are actually quite rare so unless you buy a DLP RPTV up and downscaling is always going to happen. LCDs are typically 1280 x 768 or 1366 x 768 resolution. 1080p displays exist but are expensive and you'd be lucky to find one in this country at the moment.

    If you do go for a 1080p model when they become available, as long as the scaler is good then 720p pictures should not look worse at 1080p; they make even look better. A 1080p display would allow you to see 1080p HD-DVD content without any scaling.
     

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