Half Empty or half full? Why 768x1024 is HD

sl7vk · 02-20-2006, 10:27 AM

Here's another HD Ready that must not be HD.

http://www.costco.com/Browse/Product...opnav=&browse=

S0LE_SURVIV0R · 02-20-2006, 10:32 AM

Way waste your time with this guy? How many people are going to come out and say I was wrong?
Hey BTW, my set also has a built in ATSC tuner LOL!!!!!!!!

Ward Cleaver · 02-20-2006, 11:32 AM

Quote:

Posted By Sole Survivor - "Personally I'm surprised the moderators of this site don't do something."

The moderators know I'm correct (and, deep down, I think you do too) when I say that no plasma panel below 50" is capable of displaying true HDTV.

In order for a TV to be a true HDTV, it has to be able to display 1280 x 720 pixels. There is currently no plasma TV under 50" on the market which is capable of displaying that many pixels. Any plasma under 50" is called enhanced definition or EDTV.

I'll say it again, some manufacturers attempt to promote TVs with a maximum resolution of 1024 x 768 pixels as "HDTV ready." This is incorrect.

Whether or not it has a tuner is irrelevant.
It is incapable of displaying true HD because it is a plasma below 50", and no plasma below 50" is capable of displaying true HDTV.

In a plasma panel under 50", although the total number of vertical pixels is greater than the 720 minimum necessary for HDTV, at an aspect ratio of 16:9 it would need 1280 pixels horizontally to display a 720-line HDTV picture.

I can't believe there are some people out here who are actually naive enough to attempt to argue with that.

Regards,
-Ward

zedd · 02-20-2006, 11:44 AM

(Q)
What is the resolution (# vertical pixels x # horizontal pixels, orvertical and horizontal dot pitch)of typical Direct View CRTs whichare HDTV ready? Specifically, I'm interested in the Sony HDTV models,with 32-36" diagonal Direct View CRT screens. Is this a sensiblequestion? Also, why do reviewers say that the better plasma screensare fully HDTV ready when 1080i requires about 2 million pixels onscreen while the highest resolution plasma TVs have a resolution ofabout 1 million pixels? (I realize that the number of pixels updatedper second in 1080i is about the same as the number of pixels updatedper second by the plasma screens because the former is interlacedwhile the latter are progressive, but this does not seem to beequivalent.)

(A)

The only time that "insensible" enters this picture is the way I feel
after sorting out all the HDTV specifications. I want my NTSC!

Until there's a nice HDTV sale, that is.

To calculate the overall screen resolution -- the total number of
pixels -- of any TV set, you multiply the number of horizontal scan
lines by the number of pixels in each scan line.

For old times' sake, let's start with NTSC analog TV, the kind we've
all grown up with. Although NTSC has a total of 525 horizontal scan
lines, it only uses about 480 of these for the actual image. There are
720 pixels in each interlaced scan line, so our NTSC pixel calculation
looks like this:

480 scan lines x 720 pixels/line = 345,600 pixels

Rounding up slightly, we get about 350,000 total pixels on an
old-fashioned NTSC TV set.

The main promise of joy with digital HDTV (High Definition Television)
is its much greater resolution. HDTV pixels are smaller and squarer
than NTSC pixels, so HDTV can resolve finer details and hold smoother
curves. Plus, you get considerably more pixels to look at.

HDTV has a total of 1,125 scan lines, but it only uses 1,080 of these
for the actual image (hence the "1080i" HDTV specification). There are
1,920 pixels in each interlaced scan line, so our HDTV pixel
calculation looks like this:

1,080 scan lines x 1,920 pixels/line = 2,073,600 pixels

Rounded off, an HDTV set gives us about 2 million total pixels, about
six times the number of NTSC pixels.

Obviously, there's a lot more visual potential with HDTV, something
that also makes its movie-like 16 x 9 aspect ratio possible. NTSC only
gives a 4 x 3 aspect ratio, which ends up whacking off the ends of a
normal movie. You just can't see all those gladiators waiting in the
wings like you can with HDTV.

Sony's current HDTV models can be seen here:

Sony Style
HDTV & Widescreen (16:9)
http://www.sonystyle.com/home/scat.jsp?hierc=9685x9421&scatid=9421

Only one Sony HDTV model with a 32-36" diagonal, direct view CRT
(cathode ray tube) is shown:

Sony Style
34" FD Triniton® WEGA® High Definition TV
KD-34XBR2
http://www.sonystyle.com/home/item.jsp?itemid=18111&hierc=9685x9421&catid=

While an actual pixel count is not given, the KD-34XBR2's top
interlaced resolution is 1080i, which means that it adheres to the
highest HDTV standard (with total pixels as calculated above).

One thing to remember about pixels: although a larger TV has a bigger
screen than a smaller TV, the total number of pixels on the screen
remains the same. There aren't more pixels on a bigger screen: the
pixels themselves are just bigger, so the actual resolution doesn't
change. If you get a big TV, you need to sit further away for it to
look as sharp as a smaller TV.

Now, let's look at the resolution of plasma TV screens, such as the
Sony KZ-42TS1:

Sony Style
42" Plasma WEGA™ Flat Panel Television
KZ-42TS1
http://www.sonystyle.com/home/item.jsp?itemid=29213&hierc=9685x9421&catid=

With plasma screens, you must consider their "native" or "addressable"
resolution. This is the maximum number of built-in pixels which they
can display. With the Sony KZ-42TS1, its maximum native resolution is
1,024 lines by 1,024 pixels. Let's do the math again:

1,024 lines x 1,024 pixels = 1,048,576 pixels

Thus, we get about 1 million pixels, half the number of total pixels
that HDTV is capable of delivering. Although the Sony KZ-42TS1 plasma
screen is an HDTV monitor, and will accept all HDTV signals (it is
"fully HDTV ready"), it simply cannot display all of the incoming HDTV
pixels.

Instead, the plasma screen "downconverts" the 2 million HDTV pixels so
they can be shown on its 1 million pixel display. The more lines a
plasma screen has, the higher quality HDTV picture it can display, but
it still may not be able to match HDTV's full potential.

While a plasma TV loses HDTV resolution (compared to a CRT), it may
not be a full 50% difference due to the particular conversion methods
used. Numbers and specifications can't completely determine overall
picture quality, so you should try to compare different TVs
side-by-side whenever possible.

Comparing the relative resolutions of interlaced video images to
progressively scanned images can be a little trickier. With
interlacing, the TV displays one half of a video image (its
even-numbered scan lines) first, then displays the other half of the
image (its odd-numbered scan lines). Your eyes and brain put these
alternately striped image halves together and you see them as a
single, whole image. This is the same "persistence of vision" effect
that theatrical films have depended upon for over a hundred years.

Strictly speaking, only half of an interlaced image is displayed by
the TV at any one moment. Using our current HDTV example of 2 million
pixels, the TV only offers 1 million pixels at a time.

Disregarding our persistence of vision, one could argue that only half
of the available pixels are shown, and thus claim that the TV only
delivers half of the potential resolution.

The highest progressive scan resolution from an HDTV set is 780 lines.
With 1,920 pixels per line, this gives us an approximate total of 1.5
million pixels. So, for a moment -- look *real* fast -- a progressive
scan display could theoretically offer more resolution than an
interlaced display.

However, that's not the way I, or you, or anyone else sees it.

Thank you,
Huntsman

References -

In particular, the glossaries and FAQs on the following Web sites were
very helpful.

Corporation for Public Broadcasting
Glossary: Digital TV Transition
http://stations.cpb.org/pdfs/system/0106_digitalkit/glossary.pdf

DigitalTV Zone
All About Digital TV
http://www.digitaltvzone.com/

DTV City
http://www.dtvcity.com/

HDTV Info Guide
http://www.hdtvinfoport.com/

Home Theater Magazine
http://www.hometheatermag.com/

PC DTV
http://www.pcdtv.org/

PBS
Digital TV: A Cringely Crash Course
http://www.pbs.org/opb/crashcourse/

Search Terms & Google Results -

1080i hdtv glossary
http://www.google.com/search?sourceid=navclient&q=1080i+hdtv+glossary

plasma screen hdtv resolution
http://www.google.com/search?sourceid=navclient&q=plasma+screen+hdtv+res olution

"persistence of vision"
http://www.google.com/search?sourceid=navclient&q=%22persistence+of+visi on%22

--------------------------------------------------------------------------

ONCE again, i did the homework.. for you, facts is facts and ED is ED and HDTV is 1929x1080, and plasmas...just enjoy your purchase!

source;
google search
and everything else above

John C · 02-20-2006, 11:45 AM

Ward -
I am trying to keep on open mind regarding your steadfast assertion, but let me get back to my comments from the other thread. If we are going to talk standards, then let's really talk standards.

It is my understanding that the United States had legislatively adopted the ATSC Digital Television Standard (a/53), which is currently in Revision D with 1 Amendment. ( http://www.atsc.org/standards/a_53c_amend-1_corr-1.pdf ). That standard specifically recognizes ITU-R Recommendation 1125, as published by the International Telecommunication Union, as the distinction of what constitutes HDTV versus SDTV within the DTV standard. That recommendation in turn does not even formally recognize 720P as a high def signal but it establishes the definition of "HDTV Quality" as "the delivery of a television picture, which is subjectively identical with the interlaced HDTV studio standard" which I understand has been interpreted to mean that 720P is, in fact, HDTV. But the 1280 vertical resolution, while included within the ATSC broadcast DTV standard, has never been a requirement for meeting the HDTV definition to the best of my knowledge.

Your assertion that 1024 horizontal resolution does not constitute HDTV seems to be based on the fact that the ATSC DTV 720P standard calls for a 1280 horizontal resolution, but I cannot find any reference that supports your assertion. In fact, it appears to me that 720P itself is only designated a HD signal on the basis of a rather broad definition that it seems to me is not dependant upon strict resolution standards which would tend to refute your assertion.

I am therefore still wondering if you could please provide a reference to whatever standard you are using as the basis for your argument. Are you aware of a clarification to Recommendation 1125 or to where the ATSC has taken it upon themselves to abandon the international definition and declare their own standards as the sole governing policy in defining HD? I think it is great to talk standards, but let's get away from broad assertions and get down to the actual details of the standards. What actual standards publication makes you say that 1024x768 is not HD? Thanks.

S0LE_SURVIV0R · 02-20-2006, 11:54 AM

"What actual standards publication makes you say that 1024x768 is not HD? Thanks" He has none. World according to Ward.
Look every where in the world and EDTV is 480p. Except in his world where 1024x768 is ED.
Yea.... Panasonic is wrong, every site that says 480p is ED is wrong, all except ole Ward.

S0LE_SURVIV0R · 02-20-2006, 12:03 PM

Ward says,
"Any plasma under 50" is called enhanced definition or EDTV."

BULLSHIT!
Show me any set that has 720 PROGRESSIVE or more vertical lines that is called EDTV!!!

"TH-37PX50U
37" Diagonal Plasma HDTV with Built-In ATSC/QAM/NTSC Tuners Displays Over 8 Billion Colors" "

http://www2.panasonic.com/webapp/wcs...s&displayTab=S

zedd · 02-20-2006, 12:28 PM

Quote:

Originally Posted by S0LE_SURVIV0R

Ward says,
"Any plasma under 50" is called enhanced definition or EDTV."

BULLSHIT!
Show me any set that has 720 PROGRESSIVE or more vertical lines that is called EDTV?

It may not be called ED by the manufacturer but then what is it? It is not HD by any mathimatical equation. In my previous post in this thread i gave you a way to figure out the true resolution of yours or anyone elses TV, monitor, crt, or whatever.
If that resolution falls bewteen the lines can one simply bump it up to HD standard? I guess one could but does that mean it meets the HD standard?
Is all for you plasma/ED/HDTV people to argue as for me. I dont believe what sales people say, i make up my own mind and do my OWN research and for my size requirements decided LCD was the way to go if i ever wanted to see HDTV.
You can curse, rant, rave and calll names and throw stones for it all matters but you CAN NOT change the math. PERIOD, sorry, such is life.
If you dont like what Ward says or what im saying please by all means PROVE me wrong, show me an independent study, not by the manufacturer or show your math but you need alot of pixels to come up with HDTV.

S0LE_SURVIV0R · 02-20-2006, 12:36 PM

I did show proof, from Panasonic
"Any plasma under 50" is called enhanced definition or EDTV."

Proven wrong.

"TH-37PX50U
37" Diagonal Plasma HDTV with Built-In ATSC/QAM/NTSC Tuners Displays Over 8 Billion Colors"

"High Definition or HD offers the best DTV picture with 720p, 1080i, and 1080p lines of resolution"
http://tv.about.com/od/televisionsets/a/HDTVbasics.htm

Were is the evidence of saying that it is not or find me any set that that is 720 Progressive that is called HDTV.
None
Like I said. File a case against Panasonic for calling a 1024x768 set HDTV, see how far you get.

S0LE_SURVIV0R · 02-20-2006, 12:45 PM

HDTV defined
So what exactly is HDTV? Put simply, it’s a high-resolution broadcast format. Old-school analog signals deliver images in 480i (480 vertical lines, interlaced) format, but the digital signals that most TVs are now designed to accept are far more detailed than that. There’s “standard-definition” resolution, which is the digital approximation of 480i—the picture may or may not be slightly improved over analog. Then there are the two formats you should really care about: “enhanced definition” (ED) and “high-definition” (HD). Here’s the breakdown on both:

• EDTV: Also known as progressive-scan or 480p, ED is a step up from standard definition. There are still 480 lines of resolution (hence the 480), but they’re delivered in progressive, rather than interlaced, format (hence the “p”). This means that the lines are scanned consecutively, and the result is a much smoother picture. And while it’s not quite as impressive as HD—you’ll understand why in a moment—one of the perks of ED is that you can enjoy all of your DVD movies in this format if you have a progressive-scan DVD player hooked up to your digital TV via a component, DVI or HDMI connection. There are also plenty of TVs out there that will upconvert standard-definition signals to ED format.

• HDTV: Digitally speaking, HDTV is the cream of the crop. Remember how EDTV is 480p? Well, HDTV is even better, as it’s delivered in one of two formats: 720p or 1080i (720 lines of resolution scanned progressively, or 1080 lines of resolution using interlaced scanning). What’s the difference? Each is a huge improvement over analog, standard definition and even EDTV. Between the two, 720p offers a slightly smoother picture (due to progressive scanning), while 1080i delivers a higher overall resolution. Either way, the result is an eye-popping picture that introduces a whole new level of detail and clarity to TV and movies.

http://www.circuitcity.com/ccd/gener...UseBVCookie=No

borromini · 02-20-2006, 12:49 PM

If we're talking about advertised HDTVs, then you're correct since that's what Panasonic has decided to label it as. However, per ATSC specifications, 1024x768 is not an HD resolution. So it's not "bullshit" if someone decides to post on this forum that this is not an HDTV. What are we more inclined to adhere to? A manufacturer's decision to label an XGA display as HDTV or the specifications from ATSC that have been around for a couple of decades?

sl7vk · 02-20-2006, 12:52 PM

Quote:

Originally Posted by borromini

If we're talking about advertised HDTVs, then you're correct since that's what Panasonic has decided to label it as. However, per ATSC specifications, 1024x768 is not an HD resolution. So it's not "bullshit" if someone decides to post on this forum that this is not an HDTV. What are we more inclined to adhere to? A manufacturer's decision to label an XGA display as HDTV or the specifications from ATSC that have been around for a couple of decades?

The ability to play 720p is the definition of HD. Now you can argue that it isn't "full" HD, but you can't argue that it isn't HD. According to Zedd's article, it isn't full HD unless it's 1920 x 1080. How many TV's are full HD then?

S0LE_SURVIV0R · 02-20-2006, 12:57 PM

HDTV is the vertical not the horizontal.... Do you see anywhere in the above article that is has to so many pixels across?

Yes it was Bullshit, because one I showed where these 768p sets are being labeled as HDTV.
AND
I'm still waiting to see ANY 720 Progressive set with 1024 across labeled as EDTV.
Everywhere .....every site says EDTV is 480p.

John C · 02-20-2006, 01:07 PM

Quote:

Originally Posted by zedd

If you dont like what Ward says or what im saying please by all means PROVE me wrong, show me an independent study, not by the manufacturer or show your math but you need alot of pixels to come up with HDTV.

In my earlier post, I did point to the governing documents that define DTV standards. I think everyone agrees that 640x480 is the good ole SDTV resolution. HDTV is defined as 1080i or as "the delivery of a television picture, which is subjectively identical with the interlaced HDTV studio standard." The market has agreed that 720P, with a progressive resolution of 1280x720, should be considered HD under that test. So, is a TV with 1024x768 resolution HD?

For whatever it is worth, the bandwidth required for 720P is about 15% higher than is required for 1024x768P. Meanwhile, the bandwidth for 1024x768P is about 400% higher than for 640x480I and about 150% higher than 640x480P EDTV. So in terms of raw pixel processing, 1024x768 is much closer to 720P than it is to SDTV or EDTV. The question then becomes whether or not there is a required threshhold necessary to quality for HDTV. A dollar, for example, is 100 cents. 99 cents isn't enough to qualify for being one dollar. As near as I can tell from my reading, no such threshhold exists for HDTV. Is it instead a subjective test for something that looks "subjectively identical with the interlaced HDTV studio standard." By that test, I believe a 42" plasma is HDTV. And to the best of my knowledge, that is the only test that exists. Manufactures seem to agree and they have labeled these TVs as HDTV and I would also note that apparently either no one has brought legal action to challenge that assertion or they were able to successfully defend their categorization.

All the evidence seems to point to 1024x768P as being HDTV in my mind. But I am still interested - other than wild assertions is there any real evidence to the contrary? For those arguing that it is not HDTV, upon what standards do you base that claim?

John C · 02-20-2006, 01:10 PM

Quote:

Originally Posted by borromini

If we're talking about advertised HDTVs, then you're correct since that's what Panasonic has decided to label it as. However, per ATSC specifications, 1024x768 is not an HD resolution. So it's not "bullshit" if someone decides to post on this forum that this is not an HDTV. What are we more inclined to adhere to? A manufacturer's decision to label an XGA display as HDTV or the specifications from ATSC that have been around for a couple of decades?

As noted in an earlier post, I see nothing within the ATSC DTV standard to label any signal as HD. They instead look to the ITU to provide that definition and, as has been discussed, that definition is fairly broad.

02-20-2006, 10:27 AM	#16
sl7vk Panasonic Plasma Join Date: Jan 2006 Location: Salt Lake City Posts: 603	Here's another HD Ready that must not be HD. http://www.costco.com/Browse/Product...opnav=&browse= __________________ "Their LCD tv's are also assembled in the Netherlands...Belgium to be exact." -Ward Cleaver

02-20-2006, 10:32 AM	#17
S0LE_SURVIV0R Watch this in HD! Join Date: Jan 2006 Location: Boston Age: 45 Posts: 287	Way waste your time with this guy? How many people are going to come out and say I was wrong? Hey BTW, my set also has a built in ATSC tuner LOL!!!!!!!! __________________ Sony 40 LCD flat panel XBR & Panasonic 37 768p Plasma HD TIVO The human eye can barely perceive a 1366x768 resolution 10 feet away from a 50 inch see http://proav.pubdyn.com/2005_January...rallaxview.htm 720p Fastest & Best Temporal Resolution Sony "The world's greatest high definition television"

02-20-2006, 11:54 AM	#21
S0LE_SURVIV0R Watch this in HD! Join Date: Jan 2006 Location: Boston Age: 45 Posts: 287	"What actual standards publication makes you say that 1024x768 is not HD? Thanks" He has none. World according to Ward. Look every where in the world and EDTV is 480p. Except in his world where 1024x768 is ED. Yea.... Panasonic is wrong, every site that says 480p is ED is wrong, all except ole Ward. __________________ Sony 40 LCD flat panel XBR & Panasonic 37 768p Plasma HD TIVO The human eye can barely perceive a 1366x768 resolution 10 feet away from a 50 inch see http://proav.pubdyn.com/2005_January...rallaxview.htm 720p Fastest & Best Temporal Resolution Sony "The world's greatest high definition television"

02-20-2006, 12:03 PM	#22
S0LE_SURVIV0R Watch this in HD! Join Date: Jan 2006 Location: Boston Age: 45 Posts: 287	Ward says, "Any plasma under 50" is called enhanced definition or EDTV." BULLSHIT! Show me any set that has 720 PROGRESSIVE or more vertical lines that is called EDTV!!! "TH-37PX50U 37" Diagonal Plasma HDTV with Built-In ATSC/QAM/NTSC Tuners Displays Over 8 Billion Colors" " http://www2.panasonic.com/webapp/wcs...s&displayTab=S __________________ Sony 40 LCD flat panel XBR & Panasonic 37 768p Plasma HD TIVO The human eye can barely perceive a 1366x768 resolution 10 feet away from a 50 inch see http://proav.pubdyn.com/2005_January...rallaxview.htm 720p Fastest & Best Temporal Resolution Sony "The world's greatest high definition television" Last edited by S0LE_SURVIV0R; 02-20-2006 at 12:22 PM.

02-20-2006, 12:36 PM	#24
S0LE_SURVIV0R Watch this in HD! Join Date: Jan 2006 Location: Boston Age: 45 Posts: 287	I did show proof, from Panasonic "Any plasma under 50" is called enhanced definition or EDTV." Proven wrong. "TH-37PX50U 37" Diagonal Plasma HDTV with Built-In ATSC/QAM/NTSC Tuners Displays Over 8 Billion Colors" "High Definition or HD offers the best DTV picture with 720p, 1080i, and 1080p lines of resolution" http://tv.about.com/od/televisionsets/a/HDTVbasics.htm Were is the evidence of saying that it is not or find me any set that that is 720 Progressive that is called HDTV. None Like I said. File a case against Panasonic for calling a 1024x768 set HDTV, see how far you get. __________________ Sony 40 LCD flat panel XBR & Panasonic 37 768p Plasma HD TIVO The human eye can barely perceive a 1366x768 resolution 10 feet away from a 50 inch see http://proav.pubdyn.com/2005_January...rallaxview.htm 720p Fastest & Best Temporal Resolution Sony "The world's greatest high definition television"

02-20-2006, 11:45 AM	#20
John C High Definition is the definition of life. Join Date: Nov 2004 Posts: 111	Ward - I am trying to keep on open mind regarding your steadfast assertion, but let me get back to my comments from the other thread. If we are going to talk standards, then let's really talk standards. It is my understanding that the United States had legislatively adopted the ATSC Digital Television Standard (a/53), which is currently in Revision D with 1 Amendment. ( http://www.atsc.org/standards/a_53c_amend-1_corr-1.pdf ). That standard specifically recognizes ITU-R Recommendation 1125, as published by the International Telecommunication Union, as the distinction of what constitutes HDTV versus SDTV within the DTV standard. That recommendation in turn does not even formally recognize 720P as a high def signal but it establishes the definition of "HDTV Quality" as "the delivery of a television picture, which is subjectively identical with the interlaced HDTV studio standard" which I understand has been interpreted to mean that 720P is, in fact, HDTV. But the 1280 vertical resolution, while included within the ATSC broadcast DTV standard, has never been a requirement for meeting the HDTV definition to the best of my knowledge. Your assertion that 1024 horizontal resolution does not constitute HDTV seems to be based on the fact that the ATSC DTV 720P standard calls for a 1280 horizontal resolution, but I cannot find any reference that supports your assertion. In fact, it appears to me that 720P itself is only designated a HD signal on the basis of a rather broad definition that it seems to me is not dependant upon strict resolution standards which would tend to refute your assertion. I am therefore still wondering if you could please provide a reference to whatever standard you are using as the basis for your argument. Are you aware of a clarification to Recommendation 1125 or to where the ATSC has taken it upon themselves to abandon the international definition and declare their own standards as the sole governing policy in defining HD? I think it is great to talk standards, but let's get away from broad assertions and get down to the actual details of the standards. What actual standards publication makes you say that 1024x768 is not HD? Thanks.

02-20-2006, 12:45 PM	#25
S0LE_SURVIV0R Watch this in HD! Join Date: Jan 2006 Location: Boston Age: 45 Posts: 287	HDTV defined So what exactly is HDTV? Put simply, it’s a high-resolution broadcast format. Old-school analog signals deliver images in 480i (480 vertical lines, interlaced) format, but the digital signals that most TVs are now designed to accept are far more detailed than that. There’s “standard-definition” resolution, which is the digital approximation of 480i—the picture may or may not be slightly improved over analog. Then there are the two formats you should really care about: “enhanced definition” (ED) and “high-definition” (HD). Here’s the breakdown on both: • EDTV: Also known as progressive-scan or 480p, ED is a step up from standard definition. There are still 480 lines of resolution (hence the 480), but they’re delivered in progressive, rather than interlaced, format (hence the “p”). This means that the lines are scanned consecutively, and the result is a much smoother picture. And while it’s not quite as impressive as HD—you’ll understand why in a moment—one of the perks of ED is that you can enjoy all of your DVD movies in this format if you have a progressive-scan DVD player hooked up to your digital TV via a component, DVI or HDMI connection. There are also plenty of TVs out there that will upconvert standard-definition signals to ED format. • HDTV: Digitally speaking, HDTV is the cream of the crop. Remember how EDTV is 480p? Well, HDTV is even better, as it’s delivered in one of two formats: 720p or 1080i (720 lines of resolution scanned progressively, or 1080 lines of resolution using interlaced scanning). What’s the difference? Each is a huge improvement over analog, standard definition and even EDTV. Between the two, 720p offers a slightly smoother picture (due to progressive scanning), while 1080i delivers a higher overall resolution. Either way, the result is an eye-popping picture that introduces a whole new level of detail and clarity to TV and movies. http://www.circuitcity.com/ccd/gener...UseBVCookie=No __________________ Sony 40 LCD flat panel XBR & Panasonic 37 768p Plasma HD TIVO The human eye can barely perceive a 1366x768 resolution 10 feet away from a 50 inch see http://proav.pubdyn.com/2005_January...rallaxview.htm 720p Fastest & Best Temporal Resolution Sony "The world's greatest high definition television"

02-20-2006, 12:49 PM	#26
borromini HT Frontiersman Join Date: Jun 2004 Location: Northern California Posts: 9,825	If we're talking about advertised HDTVs, then you're correct since that's what Panasonic has decided to label it as. However, per ATSC specifications, 1024x768 is not an HD resolution. So it's not "bullshit" if someone decides to post on this forum that this is not an HDTV. What are we more inclined to adhere to? A manufacturer's decision to label an XGA display as HDTV or the specifications from ATSC that have been around for a couple of decades? __________________ "I'd rather have a bottle in front of me than a frontal lobotomy"

02-20-2006, 12:57 PM	#28
S0LE_SURVIV0R Watch this in HD! Join Date: Jan 2006 Location: Boston Age: 45 Posts: 287	HDTV is the vertical not the horizontal.... Do you see anywhere in the above article that is has to so many pixels across? Yes it was Bullshit, because one I showed where these 768p sets are being labeled as HDTV. AND I'm still waiting to see ANY 720 Progressive set with 1024 across labeled as EDTV. Everywhere .....every site says EDTV is 480p. __________________ Sony 40 LCD flat panel XBR & Panasonic 37 768p Plasma HD TIVO The human eye can barely perceive a 1366x768 resolution 10 feet away from a 50 inch see http://proav.pubdyn.com/2005_January...rallaxview.htm 720p Fastest & Best Temporal Resolution Sony "The world's greatest high definition television"