Does XBOX360 HD-DVD do 1080p?

elMalloc

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So as far as I know (I haven't been paying much attention lately though), the only HD-DVD players out do 1080i (like my Toshiba A1).

Does the XBOX360's player do 1080p (I imagine it does)?

Does anyone have any information on how the player compares to the Toshiba A1?

Thanks,
ELmO
 

ppltd

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The xbox 360 supports 1080i and 1080p, as will its HD-DVD player, it just currently dows not support HDMI.
 

elMalloc

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Thanks for both of your replies.

The microsoft guy's blog mentions nothing about 360 having 1080p, this is a major thing - the A1 only does 1080i!

Since the 360 isn't doing HDMI, does that mean it can't output the 1080p!??! Or will it do it over analog?

I thought it downgrades the signal (intentionally, not due to analog vs digital signal/noise) if it can't sense an HDMI input...
 

RobertDW

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ppltd

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XBox 360, with current updates, outputs 1080p through VGA OR Component.
 

Shawn Perron

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This was a test of 61 2006 models done just last month. 54.09% were incapable of properly deinterlacing a 1080i signal to 1080p. 80.33% were incapable of doing proper 3:2 pulldown even if they could deinterlace. If you have a TV from before 2006 the odds of it properly deinterlacing are even lower. Unless you have a HDTV that can properly deinterlace a 1080i signal, you need to have a 1080p input or you will be missing out on a lot of the possible resolution of your display.

Unfortunately this doesn't just apply to 1080p HDTVs. Unless your HDTV is a 1080i CRT, 1080i still has to be deinterlaced before your TV can display it progressively.
 

elMalloc

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I find it interesting that some say we can't see a difference between 1080i -> upconverted to 1080p, vs. a sourced 1080p signal....

I know upconverters work fairly well, but how can a sourced signal look not even "sightly" better?

It's like saying a 480p DVD upconverted to 1080i looks the same as the 1080i HD-DVD, I don't think so.

-ELmO
 

ppltd

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1080i is not upconverted to 1080p. All 1080 lines are sent to the display, one sequencially, one even then odd. No loss of data, no single difference between 1080 i or p.
 

Shawn Perron

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This is what happens when a TV cannot properly deinterlace a 1080i signal. If you have a tv that can deinterlace 1080i properly, still 80.33% fail to properly apply 3:2 pulldown to the deinterlaced signal.

Only if you have one of the 19.67% of the 2006 HDTV models tested does the deinterlaced 1080p signal your TV displays always match what a true 1080p signal would look like.
 

Cees Alons

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Yes, and for all clarity: most TV-sets that are tagged 1080p, really have 1080i inputs (still, this will change in the near future). On these TVs, the 1080i signal often gives a mucher better image, therefore, than a 1080p signal.

Apart from these conversion problems (which are not unimportant!), I agree with Thomas (ppltd): 1080i is not an "upgrade" of 1080p, nor is 1080p an "upgrade" of 1080i. It's simply this: 1080 = 1080.

The comparison to a 480 -> 1080 upgrade is not valid at all!


Cees
 

Shawn Perron

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I still think it's important to stress that people should find out if thier display can properly deinterlace 1080i material before suggesting to them that 1080p is not important. If your display can't properly deinterlace 1080i, then 1080p is a must to realize the full potential of these new formats. Some people try to convince people that there is never a reason to opt for a 1080p input when this is obviously untrue. Hopefully in a few years this becomes a nonissue.

All that being said, many of the claims for the past few years of a set being "1080p" seem to have been false advertising. If a set can't accept a 1080p input or properly deinterlace to 1080p, then the manufacturer has at the very least misrepresented the sets capabilities. If manufacturers had actually delivered "1080p" sets, then 1080i would in fact be the equal of 1080p. Assuming the flagging errors that have plagued 480i all these years somehow magically vanish in the 1080i world of course.
 

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