1080i vs. 720p (and vs. 1080p) - Blu-ray Forum

shunlou · 02-13-2008, 12:32 PM

My lcdtv is a Philips 720p and capable of 1080i. I have a ps3 as my blu-ray player. I know that blu-ray movies generally come 1080p but does that mean that I cant enjoy the blu-ray effect at all?

shunlou · 02-13-2008, 12:39 PM

My lcdtv is a Philips 720p capable of 1080i. I know blu-ray movies are 1080p. Does this mean that i cant enjoy the blu-ray effect at all?

Izzy · 02-13-2008, 12:41 PM

Quote:

Originally Posted by shunlou

My lcdtv is a Philips 720p capable of 1080i. I know blu-ray movies are 1080p. Does this mean that i cant enjoy the blu-ray effect at all?

There is always a huge debate on this, so you will get a ton of answers.

In short, it will still look good.

If you have a very large screen 50+, 1080P would be better in that case.

shunlou · 02-13-2008, 12:45 PM

my screen is only 32".

shunlou · 02-13-2008, 12:48 PM

Quote:

Originally Posted by Izzy

There is always a huge debate on this, so you will get a ton of answers.

In short, it will still look good.

If you have a very large screen 50+, 1080P would be better in that case.

my screen is only 32". Does it matter that my blu-ray player is my ps3?

scragham · 02-13-2008, 01:01 PM

if you are asking whether your blu-rays at 720p/1080i will look a whole lot better than SD DVD/TV, then yes. the difference is immediate and obvious.

if you're asking whether your blu-rays at 720p/1080i look differently than at 1080p on your 32" tv, then the answer is: how good are your eyes?

most people will tell you that at reasonable viewing distances for a 32" TV, you will NOT be able to distinguish much difference between 1080p and 720p/1080i (i'm one of those people). some people will swear that they can.

lateralus85 · 02-13-2008, 01:05 PM

I can tell the difference straight away. I just have it in me that I know its not at full HD but only when i compare it to the same movie.

One of the best video quality blu ray's I have seen was NIN live and it is 1080i.

Salinger · 02-13-2008, 01:13 PM

On a 32" screen, it's near impossible to tell the difference. Don't worry, you're not losing a thing. People will tell you there's a marked difference, but the truth is, there's not until you get up to much larger screen sizes.

tron3 · 02-13-2008, 01:19 PM

Ditto.

My TV is a Sony Wega 34" tube. I can notice SOME difference between 720p and 1080i, but that is me. Depends on if you focus on the sharpness, or just overall picture.

SD TV was crap, we all know that, but we trained ourselves to watch the overall picture. If we focused on sharpness all the time we would never enjoy TV.

milou6 · 02-13-2008, 01:42 PM

Welcome to the forum!

No, you're just not getting the best possible resolution. Consider that standard def is 480i, DVD is 480p, and your set is 720p. Blu-ray films (all of them are in in full hi-def 1920x1080p) will get downsampled for your set to 720p and still look great. 720p is still hi-def. So enjoy and no worries.

Living Near Shamu · 02-13-2008, 01:53 PM

What the.. double posting on this thread, lol

milou6 · 02-13-2008, 01:56 PM

Double posted thread? Wierd. Anyway, this was my answer for what it's worth on your "twin" thread: https://forum.blu-ray.com/showpost.p...49&postcount=2

bluesoxfan · 02-13-2008, 02:07 PM

I'm watching blu-rays on a 99" projection screen at 720p and find the difference between standard def very substantial. Besides a large increase in resolution even at 720p, the better color and lack of compression artifacts make all the difference.

Sonny · 02-13-2008, 02:09 PM

you wont miss a thing ENJOY!!!

Pelican170 · 02-13-2008, 02:21 PM

Id agree that it would be hard to see a difference between 1080i and 1080P. But when it comes to 720 vs. 1080, i notice a big difference...

Blu_Ray_UK2007 · 02-13-2008, 02:24 PM

I'm currently only using a 720p/1080i 32" TV and i'm enjoying Blu-Ray to the max until I can afford a bigger 1080p TV.

dobyblue · 02-13-2008, 04:10 PM

Your TV is capable of accepting a 1080i signal, but it doesn't display 1080i.
You would need a 1920x1080 panel to correctly display 1080i and only CRT sets for consumers are capable of this.

Your LCD set accepts 1080i and deinterlaces it and scales it to your TV's native resolution, which is probably 768p.

You're losing over 40% of the picture, but it should still blow DVD and broadcast HD out of the water.

shunlou · 02-13-2008, 05:12 PM

Quote:

Originally Posted by dobyblue

Your TV is capable of accepting a 1080i signal, but it doesn't display 1080i.
You would need a 1920x1080 panel to correctly display 1080i and only CRT sets for consumers are capable of this.

Your LCD set accepts 1080i and deinterlaces it and scales it to your TV's native resolution, which is probably 768p.

You're losing over 40% of the picture, but it should still blow DVD and broadcast HD out of the water.

With that said should i set my ps3 to 720p or 1080i to watch my blu-ray movies?

pbnbcr · 02-13-2008, 05:24 PM

At 32", it's really hard to notice any striking difference. When watching the same movie in High Def on a 32" 1080i and a 32"1080p side by side, you'll notice some small details. At least I can. However, it's not enough for me to justify spending the extra cash for the 1080p.

sackexchange · 02-13-2008, 08:52 PM

Q: OK, how about this one: 720p or 1080p?
A: These are measurements of how many fine lines make up the picture.
You’d think that 1080p is obviously better than 720p. Trouble is, you won’t get a 1080p image unless you feed it a 1080p signal — and that’s hard to come by. There’s no such thing as a 1080p TV broadcast (cable, satellite, anything), and won’t be for years. Even most games, like Xbox 360 and PlayStation 3, generally send out 720p (or less).
So the *only* way to get a 1080p picture on a 1080p set is to buy a high-def DVD player (Blu-ray or HD DVD). That’s the only way.
[D.P. adds: Even then, you won’t see any difference between 720p and 1080p unless you sit closer than 10 feet from the TV and it’s bigger than 55 inches or so.
And even then, you’re not getting any additional sharpness or detail. Instead, as CNET notes, you’re just gaining the ability to move closer without seeing individual pixels: “In other words, you can sit closer to a 1080p television and not notice any pixel structure, such as stair-stepping along diagonal lines, or the screen door effect (where you can actually see the space between the pixels).”]
Q: But a 1080p set costs a lot more than an identical 720p set, doesn’t it?
A: Yeah.
[D.P. adds: At this point, he showed me two plasmas, same brand, same size, same model line, mounted one above the other: one 720p, the other 1080p. The fancier set cost $2,000 more — and the image quality was pixel-for-pixel identical.]

02-13-2008, 12:32 PM	#1
shunlou Junior Member Member since:Feb 2008	1080i vs. 720p (and vs. 1080p) My lcdtv is a Philips 720p and capable of 1080i. I have a ps3 as my blu-ray player. I know that blu-ray movies generally come 1080p but does that mean that I cant enjoy the blu-ray effect at all?

02-13-2008, 12:39 PM	#2
shunlou Junior Member Member since:Feb 2008	Am I losing a lot of quality if i am watching blu-ray movies in 720p or 1080i? My lcdtv is a Philips 720p capable of 1080i. I know blu-ray movies are 1080p. Does this mean that i cant enjoy the blu-ray effect at all?

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02-13-2008, 12:45 PM	#4
shunlou Junior Member Member since:Feb 2008	my screen is only 32".

02-13-2008, 01:01 PM	#6
scragham Expert Member Member since:Jul 2007	if you are asking whether your blu-rays at 720p/1080i will look a whole lot better than SD DVD/TV, then yes. the difference is immediate and obvious. if you're asking whether your blu-rays at 720p/1080i look differently than at 1080p on your 32" tv, then the answer is: how good are your eyes? most people will tell you that at reasonable viewing distances for a 32" TV, you will NOT be able to distinguish much difference between 1080p and 720p/1080i (i'm one of those people). some people will swear that they can.

02-13-2008, 01:05 PM	#7
lateralus85 Active Member Member since:Nov 2007	I can tell the difference straight away. I just have it in me that I know its not at full HD but only when i compare it to the same movie. One of the best video quality blu ray's I have seen was NIN live and it is 1080i.

02-13-2008, 01:13 PM	#8
Salinger Active Member Member since:Jan 2008 Location:Toronto, ON	On a 32" screen, it's near impossible to tell the difference. Don't worry, you're not losing a thing. People will tell you there's a marked difference, but the truth is, there's not until you get up to much larger screen sizes.

02-13-2008, 01:19 PM	#9
tron3 Blu-ray Samurai Member since:Aug 2004 Location:New Jersey Blu-ray reviews:3	Ditto. My TV is a Sony Wega 34" tube. I can notice SOME difference between 720p and 1080i, but that is me. Depends on if you focus on the sharpness, or just overall picture. SD TV was crap, we all know that, but we trained ourselves to watch the overall picture. If we focused on sharpness all the time we would never enjoy TV.

02-13-2008, 01:42 PM	#10
milou6 Active Member Member since:Mar 2007 Location:Ohio	Welcome to the forum! No, you're just not getting the best possible resolution. Consider that standard def is 480i, DVD is 480p, and your set is 720p. Blu-ray films (all of them are in in full hi-def 1920x1080p) will get downsampled for your set to 720p and still look great. 720p is still hi-def. So enjoy and no worries.

02-13-2008, 01:53 PM	#11
Living Near Shamu Blu-ray Samurai Member since:Oct 2007 Location:Austin, TX Trading Score:42	What the.. double posting on this thread, lol

02-13-2008, 01:56 PM	#12
milou6 Active Member Member since:Mar 2007 Location:Ohio	Double posted thread? Wierd. Anyway, this was my answer for what it's worth on your "twin" thread: https://forum.blu-ray.com/showpost.p...49&postcount=2

02-13-2008, 02:07 PM	#13
bluesoxfan Junior Member Member since:Jan 2008	I'm watching blu-rays on a 99" projection screen at 720p and find the difference between standard def very substantial. Besides a large increase in resolution even at 720p, the better color and lack of compression artifacts make all the difference.

02-13-2008, 02:09 PM	#14
Sonny Blu-ray Ninja Member since:Aug 2007 Home Theater Gallery:8 Blu-ray reviews:6 Trading Score:1	you wont miss a thing ENJOY!!!

02-13-2008, 02:21 PM	#15
Pelican170 Blu-ray Samurai Member since:Jul 2007 Location:Newtown, CT 4K collection:127 Blu-ray collection:735 DVD collection:256 Trading Score:13	Id agree that it would be hard to see a difference between 1080i and 1080P. But when it comes to 720 vs. 1080, i notice a big difference...

02-13-2008, 02:24 PM	#16
Blu_Ray_UK2007 Blu-ray Samurai Top contributor Member since:Feb 2007 Location:UK 4K collection:164 Blu-ray collection:782 Trading Score:1	I'm currently only using a 720p/1080i 32" TV and i'm enjoying Blu-Ray to the max until I can afford a bigger 1080p TV.

02-13-2008, 04:10 PM	#17
dobyblue Super Moderator Top contributor Member since:Jul 2006 Location:Ontario, Canada Home Theater Gallery:71 4K collection:55 Blu-ray collection:655 Blu-ray reviews: 15	Your TV is capable of accepting a 1080i signal, but it doesn't display 1080i. You would need a 1920x1080 panel to correctly display 1080i and only CRT sets for consumers are capable of this. Your LCD set accepts 1080i and deinterlaces it and scales it to your TV's native resolution, which is probably 768p. You're losing over 40% of the picture, but it should still blow DVD and broadcast HD out of the water.

02-13-2008, 05:24 PM	#19
pbnbcr Active Member Member since:Mar 2007 Location:INDIANA	At 32", it's really hard to notice any striking difference. When watching the same movie in High Def on a 32" 1080i and a 32"1080p side by side, you'll notice some small details. At least I can. However, it's not enough for me to justify spending the extra cash for the 1080p.

02-13-2008, 08:52 PM	#20
sackexchange Expert Member Top contributor Member since:Jan 2008 Location:DigiBooks...........................34 4K collection:10 Blu-ray collection:691 Blu-ray reviews:2 Trading Score:5	Q: OK, how about this one: 720p or 1080p? A: These are measurements of how many fine lines make up the picture. You’d think that 1080p is obviously better than 720p. Trouble is, you won’t get a 1080p image unless you feed it a 1080p signal — and that’s hard to come by. There’s no such thing as a 1080p TV broadcast (cable, satellite, anything), and won’t be for years. Even most games, like Xbox 360 and PlayStation 3, generally send out 720p (or less). So the only way to get a 1080p picture on a 1080p set is to buy a high-def DVD player (Blu-ray or HD DVD). That’s the only way. [D.P. adds: Even then, you won’t see any difference between 720p and 1080p unless you sit closer than 10 feet from the TV and it’s bigger than 55 inches or so. And even then, you’re not getting any additional sharpness or detail. Instead, as CNET notes, you’re just gaining the ability to move closer without seeing individual pixels: “In other words, you can sit closer to a 1080p television and not notice any pixel structure, such as stair-stepping along diagonal lines, or the screen door effect (where you can actually see the space between the pixels).”] Q: But a 1080p set costs a lot more than an identical 720p set, doesn’t it? A: Yeah. [D.P. adds: At this point, he showed me two plasmas, same brand, same size, same model line, mounted one above the other: one 720p, the other 1080p. The fancier set cost $2,000 more — and the image quality was pixel-for-pixel identical.]

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