XBOX HD DVD 720p vs. 1080i question - High-Def Digest Forums
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Old 12-22-2006, 01:29 PM
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Default XBOX HD DVD 720p vs. 1080i question

I'm using the xbox 360 HD add on. I'm new to this HD DVD thing so please excuse my ignorance.
Is there a difference viewing an HDDVD in 720p or 1080i? My 360 is currently set to output at 720p on my LCD HD tv.
I did notice that when I viewed King Kong at 720p the picture was fine. When I changed my 360 output to 1080i, I noticed vertical lines in the picture.
I thought since the XBOX 360 can output at 1080i, it would make sense to set it at the highest possible output. I guess I"m asking if there's a reason to ever set the 360 to output at 720p?
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Old 12-22-2006, 03:34 PM
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I reason to use 720p is because it is displayed progressively as opposed to interlaced. Personally I think 1080i looks better. Are you using the Component cables supplied with the 360? A separate brand of component cables? The VGA cable?
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Old 12-22-2006, 04:07 PM
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I'm new to the whole HDTV thing, but after doing some reasearch the way I understand it is: 720p looks better with motion in the picture, 1080i looks better with a still picture. Personally, I notice no difference, I just think that on 1080i the picture on my TV tends to stutter a little bit compared to 720p.
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Old 12-22-2006, 05:47 PM
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Of course different TVs display different settings differently. I think LCDs/Plasmas display progressive resolutions better whereas CRTs/DLPs display interlaced better. But I could be wrong.
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Old 12-23-2006, 10:06 AM
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Hi Michael--
I'm using the component cables that came with the 360.
So is the consensus to just leave the 360 set at 720p? I really can't tell that much difference.
The only problem I had was when viewing King Kong--several vertical lines appear in the picture when viewing in 1080i (I guess it's my tv--but it doesn't happen with other movies).
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Old 12-23-2006, 04:35 PM
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Whatever the native resolution of you tv is, set your 360 to that.
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Old 12-23-2006, 06:44 PM
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Quote:
Originally Posted by mulderscully View Post
Hi Michael--
I'm using the component cables that came with the 360.
So is the consensus to just leave the 360 set at 720p? I really can't tell that much difference.
The only problem I had was when viewing King Kong--several vertical lines appear in the picture when viewing in 1080i (I guess it's my tv--but it doesn't happen with other movies).

hmm, If your getting distortion on 1080i then use 720p. I watched part of King Kong and Apollo 13 on 1080i and 720p. I inspected the video as close as I could and determined that there isn't a big difference between the two. One explanation for the vertical lines could be interference, I don't know if the 360 component cables are shielded or not.
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Old 12-24-2006, 11:28 AM
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I would just go with what looks best to your eyes. Everyone has different displays, setup differently at different distances which will all have an impact. Go with what looks best to you.
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Old 12-24-2006, 09:03 PM
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There are many things to consider here. Playing your movies in 720p might have smoother motion but the picture might suffer from the downscaling from 1080p. At 1080i, you'll at least have the default resolution but may get motion artifacts like jaggies and ghosting. See what either looks like on your TV. If you can't tell the difference then go with whatever.
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Old 12-25-2006, 12:29 AM
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I have a 1080i CRT and when my HD cable and/or 360 is set to 1080i every now and then (once an hour or 2) the whole picture studders and shakes. This has never happened whenever i set my HD cable or 360 to 720p (which my tv does support).

So i just leave it at 720p even though my tv can go up to 1080i. I think it's just a defect on my individual tv because my friend has the same exact model and doesn't have this problem. It's nothing that bothers me too much because I personally cannot tell the difference when i switch between the 2 resolutions and that's all that matters. Whichever looks best to YOU, only YOU can tell yourself what looks or works better.
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