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  • 720p vs 1080i

    I just read this article in LifeHacker and I felt like sharing it here:

    Why You Should Watch and Record Video in 720p Instead of 1080i

    Despite the many technological advancements we've had over the past few years, interlaced video seems to have stuck around. Interlaced is the "i" in 1080i and the reason it's not quite as good as 720p. It's in your cable, your televisions, and your camcorders. You should stop using it. Benjamin Higginbotham, the Technology Evangelist, explains why in the above video.

    Essentially, when you're dealing with interlaced video you're really only seeing half the resolution because the image is split into two fields that alternate very quickly. This tricks our eyes into seeing the full image even when it's not being displayed at the same time. This was very useful for overcoming bandwidth limitations in the early days of standard definition. Now we can display progressive video (the "p" in 720p and 1080p) which shows us the full image in every frame. With 720p video, you get 720 lines of horizontal resolution in each frame. With 1080i video, you only get half of 1,080 lines of resolution (meaning 540) in each frame. In many cases this isn't a big deal, but it starts to show up in interlaced artifacts during high amounts of motion in any given frame. Basically, objects in fast motion will look like they're smearing cross the screen instead of looking natural. There are also numerous issues that can arise when displaying interlaced footage on progressive displays like HDTVs, for example. For a full run-down of what is a pretty complicated subject, be sure to watch the video above. While 1080p is definitely your best bet in terms of highest resolution, don't think that 1080i is just as ideal because the number's the same. Choosing a progressive resolution like 720p will look a lot nicer.


    source: Why You Should Watch and Record Video in 720p Instead of 1080i

    What do you think?
    The Seedbox From Scratch Script

    I'm not a native english speaker and my writing and (even) understanding of the language is far, far away from fluent, so, if you, native english speaker or not, have enough linguistic proficiency and found something in my words which you are absolutely certain that is a grammar or spell error, please, feel free correct me by PM or even expose it (so people learn from my errors), just don't go (too) off topic and don't make me more unsure than I already am.



  • #2
    Blimey, I thought it was common knowledge but nice clip nonetheless mate, thanks for sharing

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    • #3
      I'm very ignorant in this matter. Until now, because I don't delete downloaded movies or tv series, space is a problem, so I used to choose files by quality (DVDRip) and size: the smaller the better. But I'm changing that, some movies need to be in a better quality.
      The Seedbox From Scratch Script

      I'm not a native english speaker and my writing and (even) understanding of the language is far, far away from fluent, so, if you, native english speaker or not, have enough linguistic proficiency and found something in my words which you are absolutely certain that is a grammar or spell error, please, feel free correct me by PM or even expose it (so people learn from my errors), just don't go (too) off topic and don't make me more unsure than I already am.


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      • #4
        Thats it lefteris, always learning. Thank you for sharing :)

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        • #5
          wow thanks, now i need to go buy a new amplifier because it only does 1080i, while my TV supports 1080p!!!!

          how cool!!!

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          • #6
            Originally posted by Lefteris View Post
            I'm very ignorant in this matter. Until now, because I don't delete downloaded movies or tv series, space is a problem, so I used to choose files by quality (DVDRip) and size: the smaller the better. But I'm changing that, some movies need to be in a better quality.
            This, and 720p BRRip like YIFY & gandarloda always my choices.

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            • #7
              the size of the rips between a 720 and 1080 is a drag, most 1080p movies are at least 5gigs larger than 720p movies. Diminishing returns I guess.

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              • #8
                Sorry to add confusion, but there is also a relationship between display size and viewing distance. If you sit farther than 10ft away, 720p is just as good as 1080p for a typical 45-50" display.
                Chart: 1080P Does Matter - CarltonBale.com

                If you are using a small seedbox or don't have a massive storage array, 720p DLs work well without noticeable loss of quality.

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                • #9
                  I don't notice much difference between 720p and 1080p on a 42" lcd tv. Minor details like hair and water are nice, but I usually stick with 720p unless the 1080p version is only 2gb larger. I wouldn't download anything on 1080i at all though.

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                  • #10
                    I download full Blu rays only when I know that this film will be very good like example I very like Fast and Furiuos films so the last one I watched from Bluray about 40GB size file.

                    P.S. Most of my watched films are dvdrips or 720p.

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                    • #11
                      If the movie I am going to see is "action-packed", then I am most likely going to get a remux or a full Bluray.
                      But if its just a comedy or basically anything else, a 720p or 1080p rip will do. I am now accustomed to watching high-definition content, and because of that, I can barely stand watching anything in SD now.
                      Last edited by ruzris136; June 16, 2012, 04:57 AM.

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