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Home audio & video: 1080P vs 720P
WHO CARES!?!?!?
by bkchurch - 4/18/07 12:04 PM In reply to: they accept them by widojofusThe 1080p set will upscale the 720p and 1080i signals to 1080p and the 720p sets will downscale the 1080i/p signals to 720p. IT DOESN'T MATTER because unless the TV is gigantic you won't ANY difference. The simple fact of the matter is don't even consider 1080p until 50" and that's pushing it because more realistically 65" inches is probably where the difference may start showing, and even then its not like 720p will look like crap because it will still look AMAZING!!! 1080p is a slight upgrade only useful in the huge screen sizes, here's what it boils down to: Below 50" save your money and go for the cheaper 720p set, above 50" compare 720p to 1080p and ask yourself if you think the upgrade to 1080p is worth the money or not. People stress way to much over resolution but forget about the damn res people!!! Color, contrast, black levels, shadow detail, and saturation are all way more important. One you hit 720p or 1080i you have HD and after that it's time to worry about the PQ instead of how many damn pixels are on the freakin screen. Look at the Sony XBR970 as a great example, it's resolution is only 853x1080i but since it's 34" that looks freakin great and because of it's excellent black levels, whites, and color people love that freakin TV.
disagree
by widojofus - 4/18/07 2:53 PM In reply to: WHO CARES!?!?!? by bkchurch720p is great, but 1080p is the highest resolution, which means it has the most detail, which means it the best.
WHO CARES!?!?!?
by tiptonre - 4/19/07 8:04 AM In reply to: WHO CARES!?!?!? by bkchurchI am with you on this one. I have a mitsubishi wd-65731 65" DLP and i have a ps3 running HDMI a sony DVD player that upscales 720p to 1080I running thru HDMI and directv HD receiver running thru componet.
I cant tell you this. Even being a 65" screen my eye can barley see a difference between 720p and 1080p. I patialy blame the PS3 for this because I think it is a good game console but a terrible blue ray player. I watched over the hedge (my kids movie) and the little critters @ 720p looked amazing, I then had the dvd player upscale it to 1080i and saw some changes that I didnt like. mostly in action scenes but as far as clarity it was the same.
sicne this tv will allow you to split the screen and run one side at 720p from the dvd and the other @ 1080p from the blueray I got the chance to compare side by side. (probably not the best comparison) I say this. is you can spend the money and have an ego get 1080P if you do not have an ego and want to save money buy 720p.
You will more than likley not notice a difference.
Thank you
by bkchurch - 4/19/07 2:49 PM In reply to: WHO CARES!?!?!? by tiptonreIt's nice to find someone else who hasn't got caught up in the 1080p marketing BS (not to say we're the only two, there are more here, a few in this thread). I wouldn't blame your PS3 though, I haven't seen it in action as a Blu-Ray player but I've heard numerous good things about how great a player it is. From what I understand it's as good as any stand-alone player.
A little clarification
by breslin - 4/21/07 6:54 AM In reply to: WHO CARES!?!?!? by tiptonretip,
Your Mits 65731 always displays @1080P. It is a fixed pixel display so what ever input you give it it will scale it to 1080P. As you will see in a moment this is important.
Since there is no Blu Ray release for Over The Hedge, at least I could not find one, I assume you have the SD DVD. The PS3 does a good job with Blu Ray discs but it does not scale SD DVDs, so when you play an SD DVD on the PS3 it will output a 480P signal to the TV and the TV will scale it to 1080P. When you play the SD DVD on your DVD player your DVD player will scale it to 1080i, the TV will take the 1080i from the DVD player and de-interlace it to 1080P. So, in either case you are taking a 480P source and converting it to 1080P through a series of scaling and interlace/de-interlace processes.
Since your TV will always display in 1080P there is no way for you to compare 720P to 1080P using your TV alone. And since there are no two TVs that are identical except for one being 1080P and the other 720P, it is difficult to do a comparison and isolate the difference exclusively to the resolution.
There are many factors that affect the quality of the picture and resolution is just one. A top quality 720P display might very well look better than a lesser quality 1080P display. Assuming that all other factors are equal I would suggest that for SD sources, like SD DVD, you will not see much, if any, difference between a 720P and 1080P TV unless you get up to 60 inches or more. For HD sources, like Blu ray and HD-DVD which are native 1080P, I believe you will see a difference even on 30-40 inch screens because you will not have to scale the picture from 1080P to 720P. Even very good scalers can introduce some artifacts and by definition you will loose some detail when you reduce a 1080P source to 720P.
So to sum up my thoughts; If your source will be SD and the picture size is less than 60 inches, a quality 720P set will perform as well as a quality 1080P set. If you will be using HD sources you will want a 1080P set.
HD-DVD is also 1080P
by breslin - 4/25/07 6:30 AM In reply to: Joe, you are wrong by ikamm1HD-DVD discs are encoded in 1080P just like Blu-Ray discs. The first generation of HD-DVD players, and one of the second generation players, output the signal at 1080i which was then de-interlaced by any 1080P capable TV to be displayed in 1080P. Two of the current HD-DVD players, the Toshiba HD-XA2 and HD-A20, output a 1080P signal.
Most HD discs, both Blu-Ray and HD-DVD, are encoded at 1080P/24. 24 frames per second is the standard for film. A few players can output at 1080P/24 (although very few TVs can accept a 1080P/24 signal) most player will convert the 1080P/24 signal to 1080i/60 and/or 1080P/60 and/or 720P/60 allowing you to pick the best format for your TV.
So, both Blu-Ray and HD-DVD are encoded in 1080P and can be displayed in 1080P
Some FYI on Digital HDTVs
by jcrobso - 4/25/07 8:56 AM In reply to: 1080p by widojofusThis applies to LCD, DLP, LCoS and Plasma HDTV sets. This only applies TVs!!!!
They have a fixed pixel resolution! If it's 720p set then that is what you see, SD, ED and 1080i/p video are rescaled to 720p.
HDTV signals that you receive via OTA, Cable, Satellite are 720p or 1080i! 1080p will be the format for HD DVD/B-Ray DVDs.
Computer monitors are different they do what the video card tells them to do.
CRTs are multi scan, as are some front projector LCD units, but the trend today is have everything upscale to the native resolution of the unit. John
720p
by bloodyR - 4/17/07 10:30 AM In reply to: 1080P vs 720P by saltyjeffI'd go for 720p. They're practically giving away 720p flat panels and rear projection (DLP, LCoS), and you won't see the difference compared to 1080p. I've even seen a 720p front projector on a 92" screen, and it was absolutely stunning.
That had nothing to do with 1080p
by bkchurch - 4/18/07 11:46 AM In reply to: I can see the difference, by ahtoiWhen are people going to figure out that resolution has no effect on color, contrast, or saturation? The color probably looked better on the 1080p set because it had a higher contrast or is it was calibrated differently, it had absolutely NOTHING to do with the resolution.
SImilar Q's
by nzmc36 - 4/18/07 4:12 AM In reply to: 1080P vs 720P by saltyjeffHi, I’m guess this topic is going to be running for awhile yet ... there is certainly no clear consensus, other than the manufactures trying to convince everyone to spend spend spend. Anyway, a question for all you knowledgeable folks out there. I was going to buy a PS3, with the justification that it has the Blue Ray Drive (BRD). For a new YV purchase. The question is, is there any point to BRD if you only have 720p? Is the up scaled DVD close enough anyway, particularly on a smaller (still huge in my books) TV, of around 40-42 inches? That being the case there is no point buying the PS3 (for the kids of course:) ) based on the drive alone. …. or for that matter any BRD/HD DVD drive….. or have I got that wrong. There are some pretty fab priced Samsung's at the mo with 1080p, but I was thinking of going for the Pioneer 4270 (720p) and getting the Wii. The down side is that over the next 2-5 years DVD's (BRD etc.) will be the norm.... and having the fancy drive will be useless without a higher res screen. The arguments seem to go around in circles somewhat as an awful lot of the literature suggests that it makes very little difference, and it's better to get a very good 720p than a smaller, possibly lower spec 1080p, not that the Samsung is a bad TV, it’s just $400 more than the Pioneeer 4270 and I could not tell any difference looking at the images in Best Buy. Of course if we all had plenty of the green stuff it wouldn't be a problem.....
Yes you will see a HUGE difference
by bkchurch - 4/18/07 11:53 AM In reply to: SImilar Q's by nzmc36Blu-Ray will look amazing in 720p on a 42" screen. An upconverted DVD can't even compare. You see this is the problem, people think 1080p is this huge leap and IT'S REALLY NOT. 720p is high-def and looks amazing no matter what, 1080p is just a higher resolution that will show a little more detail but only if you have a HUGE screen. The difference between Blu-Ray at 720p and upconverted DVD at 720p is ginormous because Blu-Ray will be a TRUE high-def signal, whereas the DVD is just an SD signal scaled to fit a higher resolution.
Standard DVDs are ED or 720x480. John
by jcrobso - 4/25/07 11:44 AM In reply to: Yes you will see a HUGE difference by bkchurchIf you watch Standard DVDs via composite or S-Video there are at SD resolution. If you watch them via component they are at ED.
SD is analog. ED, HD (720/1080) are digital. John
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