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Topic: 1080i

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In the News (Fri 24 May 19)

  GameSpot Forums - Xbox 360 - 720p - 1080i Which is better? : /
I would imagine 1080i is because its greater, but i have heard differently.
Okay, 1080i is better, because its a clearer resolution.  Assuming you tv can handle 1080i, use it.  Otherwise, use 720p.
1080i is just higher resolution (which you'd think would be cleaner, but it isn't that simple).
www.gamespot.com /pages/forums/show_msgs.php?topic_id=24158761   (3531 words)

 HDTV Buyer Beware   (Site not responding. Last check: 2007-10-17)
From a 1080i HDTV show, every (approx.) 1/60'th of a second a field of 540 scan lines is received, first a field of all of the odd lines and then a field of all of the even lines.
Scan lines for each incoming 1080i field, whether from an odd field or an even field, would be inserted into the same 540 unique vertical positions in the frame and the 180 gaps would always be in the same places.
As in the 1080i to 720p conversion, the drawback to this method is that blurring is more noticeable if subject motion has occurred relative to the two fields in question.
members.aol.com /ajaynejr/hdtvnot.htm   (3698 words)

 Isn't 1080i REALLY just 720i on MOST HDTVs? - Beyond3D Forum
1080i is a resolution of 1920 X 1080, but displayed interlaced (so 1920 X 540 per refresh).
Pretty much ANY HDTV you look at will have the 1080i sticker on it, but you look a little closer, and you'll find that the actualy resolution of that HDTV is 1280 X 720 (or someting close, such as 1366 X 768).
It seems like you may be a bit confused on what exactly interlacing is. 1080i and 540p are not the same thing.
www.beyond3d.com /forum/showthread.php?t=21603   (1801 words)

 People who have 1080i native, 720p supported - PS3Forums   (Site not responding. Last check: 2007-10-17)
I have a 1080i crt that also supports 720p so I was originally told that it would work with the ps3 since it supported 720p.
My tv is natively 1080i with user selectable 540p but it also supports (not displays) 720p so i thought i wouldn't have this problem but according to what this guy said even if it says it supports 720p it doesn't work.
So, HD signals in 1080i looked great on those units but 720p (even though it's "supported") were downscaled in the TV to 480p (that's the only way to display 720p on them).
www.ps3forums.com /showthread.php?t=45375   (1210 words)

 HDV - Wikipedia, the free encyclopedia
HDV 1080i uses a pixel resolution of 1440×1080, but when displayed is scaled to an aspect ratio of 1920×1080 = (1440 × 1.33)×1080.
Despite using "only" 1440×1080 pixels for 1080i, the perceived sharpness with HDV is much higher than that of PAL or NTSC DV formats.
In total 1080i has a resolution of 1,555,200 pixels, which is 4.5 times larger than the resolution of NTSC DV (345,600 pixels) and 3.75 times larger of PAL DV (414,720 pixels).
en.wikipedia.org /wiki/HDV   (3214 words)

 1080i vs. 1080p HDTV: should you care? - Fully Equipped - CNET reviews (via CobWeb/3.1 planetlab2.cs.unc.edu)   (Site not responding. Last check: 2007-10-17)
1080i, the former king of the HDTV hill, actually boasts an identical 1,920x1,080 resolution but conveys the images in an interlaced format (the i in 1080i).
In a tube-based television, otherwise known as a CRT, 1080i sources get "painted" on the screen sequentially: the odd-numbered lines of resolution appear on your screen first, followed by the even-numbered lines--all within 1/30 of a second.
Progressive-scan formats such as 480p, 720p, and 1080p convey all of the lines of resolution sequentially in a single pass, which makes for a smoother, cleaner image, especially with sports and other motion-intensive content.
reviews.cnet.com.cob-web.org:8888 /4520-6449_7-6361600-1.html   (1549 words)

 1080i vs 720p
while 1080i is 540p because only 540 lines at diplayed at any given time, but 720p displays all 720 line at anygiven time.
When a TIVO is in 1080i it is pumping 30x...
I understand you can change from 720p to 1080i on the box, but a lot of cable companies send out all HD signals in 1080i, even the ones that were in 720p to start.
forums.afterdawn.com /thread_view.cfm/395872   (3525 words)

 Guide to 1080i DVI on Radeons - AVS Forum
A custom 1080i resolution uses the same total timings as the standard resolution so that the HDTV sees it as 1080i, but it has fewer "Active pixels" and is seen by Windows as a lower resolution.
As with 1080i, you may find that your HDTV sometimes is unable to pick up the interlaced signal from the ATI card — particularly immediately after starting Windows or when the input source on the HDTV has been switched away from the DVI or HDMI port connected to the PC.
Also to note 1080i althought handy at times when browsing the web, is a bit on the flickery side if you have a quick eye, also non HD movies look terrible, even with ffdshow in full effect.
www.avsforum.com /avs-vb/showthread.php?t=692356   (6949 words)

 1080i vs. 1080p HDTV: should you care? - Fully Equipped - CNET reviews
Today's high-def broadcasts are done in either 1080i or 720p, and there's little or no chance they'll jump to 1080p any time soon because of bandwidth issues.
Meanwhile, some newly announced DVD players from Denon and NeuNeo (who?) are claiming to upconvert standard DVD movies to 1080p resolution, but that's a far cry from native high-def content.
Comparing a 50-inch 1080p DLP set to a 50-inch 720p DLP set, for example, he says you'll be hard-pressed to notice more detail with 1080i sources, especially from farther than 8 feet away.
reviews.cnet.com /4520-6449_7-6361600-1.html   (1540 words)

 GameTrailers.com Forums - 1080i and 480p problem
1080i is a great defintion to play at and I prefer it over 720p, however the PS3 will not do 1080i HDTVs, it will convert to 480p.
its wierd i set mine to 1080i and it played motorstorm demo in 480p, but when i selected 720p it played the game in 720p and blu-ray movies in 1080i (i like that).
I'm gathering that you are one of the few that have a 1080i only hdtv, hence the reason your not getting a ps3 now.
forums.gametrailers.com /showthread.php?t=45346   (1099 words)

 1080i on component, 1080p on HDMI - Blu-ray Forum
1080i is a higher bandwidth as it's 1920*1080*{50/2 or 60/2} which is marginally higher than 1080p/24.
I wouldn't put it past Sony to line double their 540 component video output to display 1080i so that they could market it as 1080i even though it would have half the detail of a true 1080i signal.
In this case, if a movie was a allowed to display 1080i by the studio, you would see a true 1080i signal (1080p converted to 1080i).
forum.blu-ray.com /showthread.php?t=1424   (1815 words)

 1080i vs 720p - Xbox 360 & Xbox Forums
I have looked at both resolutions on his and the 1080i on mine and can't tell a difference at all.
1080i is much sharper, This is on a 51" TV and the difference isnt HUGE but it is noticable, Prob on anything 40" or smaller it would be hard to tell.
A 1080i signal interlaced displays 1080 horizontal lines but the lines are not displayed simultaneously.
forum.teamxbox.com /showthread.php?p=8348344#post8348344   (877 words)

 The BIG Picture Global Community Forums - 1080i output DVD Players   (Site not responding. Last check: 2007-10-17)
I understand that a 1080i input to the 400q bypasses its internal scan converter, so I'm not sure why my picture geometry isn't right (faces are too narrow).
What is bypassed, is the projectors controls for most picture settings, aspect ratio, etc. With 1080i input the sync width of the input signal must match what the 400Q expects, for the picture to have proper geometry.
It sounds like some folks have successfully managed to set up 1080i input to their 400q and are very pleased with the picture vs standard resolution.
www.thebigpicturedvd.com /dcforum/DCForumID24/3094.shtml   (1013 words)

 Home Theater: Geoffrey Morrison Blog
This rendered 720p is upconverted internally to output 1080i or 1080p.
1080i has 30 different frames, and these are interlaced (split in half if you will), and flashed on the screen fast enough that your brain combines them into full frames.
In this case, the only difference between 1080i and 1080p is where the de-interlacing is done.
blog.hometheatermag.com /geoffreymorrison   (6733 words)

 1080i 1080p :: Online Catalog   (Site not responding. Last check: 2007-10-17)
1080i 1080p Child Health (MCH) SAMMEC estimates the number of annual smoking-attributable deaths and 1080i 1080p of potential life lost for infants in the United States and individual states, and neonatal medical expenditures for certain user-defined populations.The national smoking-attributable mortality 1080i 1080p estimates may.
Second, cigarette-caused fire deaths and second-hand smoke deaths are not reflected in 1080i 1080p SAMMEC smoking-attributable mortality estimates.SAMMEC requires registration.
I know a web-site where there is a 1080i 1080p.
cat78.info /1080i-1080p.html   (207 words)

 IGN Boards - 1080i vs 720p
But 720p is better, only because 108i runs interlacing the images(hence the i), and the 720p runs progressively(hence the p), so the interlaced image can have the tendency to chop up a bit/blur becasue the images aren't tunning as smooth as progressive.
1080i looks a bit better on my tv, but I set it to 720p for games and 1080i for movies.
The reason why 1080i isn't as good at some points is that it sends half the picture at a time, one frame the odd lines and the next the even lines.
boards.ign.com /xbox_360_lobby/b8271/133800519/r133814127   (667 words)

 Xbox.com | Xbox 360™ System - Re: 720p vs 1080i ?
You tv is capable of displaying 1080i but it probably will not be best suited for gaming.
My HD DVR is hooked up to this tv and it can send a signal all the way up to 1080i and when the resolution of the broadcast changes I have an icon on my tv that pops up in the top right hand corner and tells me what is being displayed.
So if it changes from 420p to 720p or to 1080i my tv switches to the appropriate resolution, Same thing happens when I change the resolution setting on the 360 my tv switches to the same setting.
forums.xbox.com /2/8226470/ShowPost.aspx   (1001 words)

 GameSpot Forums - PlayStation 2 - GT4 + 1080i | Who can do it?
The TV has no problem with recognizing the 1080i feed from either the HDMI-to-DVI video cord purchased for it nor from Component Video inputs, either directly to the TV, or passing through the Bose receiver.
I have a Philips Hi-Def CRT monitor, which is capable of 480i, 480p, and 1080i, and I have no problems running GT4 in 1080i mode.
What I don't understand is why neither display will allow me to enable 1080i, even though mine (on paper) has better specs than my other roommate's Dell TV (1680x1050 on mine vs. 1280x720 on his).
www.gamespot.com /pages/forums/show_msgs.php?topic_id=24572591   (2489 words)

 1080i 1080p versus :: Online Catalog   (Site not responding. Last check: 2007-10-17)
These outcomes were selected because they had been linked 1080i 1080p versus improved health outcomes.
The strength of evidence of effectiveness corresponds directly to the strength of recommendations (e.g., strong evidence of effectiveness corresponds to an intervention being strongly recommended, and sufficient evidence corresponds to 1080i 1080p versus intervention being recommended).
I have an information on the 1080i 1080p versus the 1080i 1080p versus is well!
cat78.info /1080i-1080p-versus.html   (218 words)

 1080i - nV News Forums
The Sharp AQUOS is capable of both 1080i and 720p.
My intent was to start out with a working 1080i modeline that I define myself and then tweak it to remove the overscan.
My hope is that by using a tweaked 1080i mode, I might end up with a mode that's closer to the native resolution of my TV (1366x768).
www.nvnews.net /vbulletin/showthread.php?t=69255   (1765 words)

 720 > 1080
People (such as Congressmen) read "our" 720P proposal and "their" 1080I proposal and assume that 1080I is superior because the number is larger.
In the progressive system, 720 lines are presented to the human eye every 1/60th of a second while the so-called 1080I system presents only 540 lines.
The "high definition" formats, 540I (aka 1080I) and 720P, have to be compressed by about 50:1 to fit them in the alloted digital channel.
alvyray.com /DigitalTV/Naming_Proposal.htm   (1032 words)

 Xbox.com | General Discussion - will all 360 games play in 1080i
I was just wondering this because my hdtv does not display 720p only 1080i.I know all games are playing in 720p but are they also playing in 1080i.
Although it won't be a true 1080i but still better than 720p.
The high-definition support for Xbox 360 is dynamic, so even if a game is designed with 720p in mind, but your TV only supports 480p or 1080i, Xbox 360 runs the game in the best resolution your TV offers (up to 720p and 1080i).
forums.xbox.com /107188/ShowPost.aspx   (1122 words)

 1080i - Wikipedia, the free encyclopedia
Due to a revision of the NTSC format when color became available, the field rate of actual 1080i broadcasts is usually 0.1% slower than is implied.
Progressive format 1080p50 or 60 is foreseen as the future broadcasting standard for production
The progressive-scan versions of the 1080-line resolution is known as 1080p.
en.wikipedia.org /wiki/1080i   (652 words)

 HDTVexpert — Front Line: 1080P — Time for a Reality Check!
All kinds of compromises are made in the acquisition, production, and transmission of 1080i content, from cameras with less than full resolution in their sensors and reduced sampling of luminance and chrominance to excessive MPEG compression of the signal as it travels from antenna, dish, or cable to your TV.
To show a 1080i signal, many consumer HDTVs do the conversion from interlaced to progressive scan using an economical, “quickie” approach that throws away half the vertical resolution in the 1080i image.
The bandwidth is barely there for 1080i channels, and it’s probably just as well, because most TVs wouldn’t support 1080p/60 anyway — they’d just convert those signals to 1080i or 540p before you saw them.
www.hdtvexpert.com /pages_b/reality.html   (1063 words)

 Juddering 1080i playback and how resolve it - TheaterTek Forums
a) 1080i HDTV films correctly encoded at 24fps, with repeat flags to play at 1080i/60 on set-top players, which TheaterTek wonderfully decodes to 1080p/24 so deinterlacing is not required.
Perhaps an off-the-shelfsolution is an Nvidia 1080i inverse-telecine PureVideo card (7600GT PCI-E and up) that can perform it's touted 1080i inverse telecine to remove and play well at 48 or 72Hz, but I've read that doesn't work well yet with current Nvidia drivers..
For these a simpler solution is I often use a Roku HD1000 1080i/60 set-top networked player, or could take time to author and burn on to an HD DVD, which can play at 1080i/60 (I use a Toshiba HD-A1 for it's 1080i/60 HDMI output).
www.theatertek.com /forums/showthread.php?p=62766   (1647 words)

 PS3 firmware 1.30 "fixes" 1080i problem - Joystiq
If your TV accepts 1080i but is 720p native; then output it as 1080i from the PS3, the TV will do the downscaling and de-interlacing to fit its native resolution.
Since 1080i is actually a lower resolution than 720p I'd expect it to down convert a 720p game (RFOM)to 1080i instead of 480p.
Thing is it does not accept a 1080p signal instead it accepts 1080i and upconverts it to it's native display.
www.joystiq.com /2006/12/06/ps3-firmware-1-30-fixes-1080i-problem   (4003 words)

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