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HD-DVD vs. Blu-Ray vs. everything else free-for-all

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Old 07-31-06 | 09:32 PM
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Keep em coming...

I wonder what the excuse is going to be NOW???
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Old 08-01-06 | 03:08 AM
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Actually, it sounds like there will be no excuses on Kiss Kiss Bang Bang because the picture quality is barely inferior, according to that review. Now, of course, the fact that all these discs only have Legacy Dolby Digital is sickening. Making all advanced sound codecs optional on BD was one of the dumbest ideas the BDA decided upon. And if Sony really sticks with MPEG-2 for all releases, I wouldn't expect even DD+ on any of them.
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Old 08-01-06 | 03:38 AM
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Rumor Has It... that BD isn't as good as HD DVD.

I love this final conclusion: "...yet even with its higher list price the HD DVD combo release overall delivers better bang for the buck."
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Old 08-01-06 | 05:53 AM
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Originally Posted by Suprmallet
Actually, it sounds like there will be no excuses on Kiss Kiss Bang Bang because the picture quality is barely inferior, according to that review. Now, of course, the fact that all these discs only have Legacy Dolby Digital is sickening. Making all advanced sound codecs optional on BD was one of the dumbest ideas the BDA decided upon. And if Sony really sticks with MPEG-2 for all releases, I wouldn't expect even DD+ on any of them.
It's great how HD DVD can do more with 15GB than Blu-Ray can do with 25GB, yet those Blu-Ray nuts keep yammering on about how great it'll be when 50GB discs make it out.
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Old 08-01-06 | 06:22 AM
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Originally Posted by Vipper II
It's great how HD DVD can do more with 15GB than Blu-Ray can do with 25GB, yet those Blu-Ray nuts keep yammering on about how great it'll be when 50GB discs make it out.
Yikes, I forgot about that. Even a single layered HD DVD is better than a single layered Blu-ray disc? Beyond High Definition my ass.
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Old 08-01-06 | 10:40 AM
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Originally Posted by Vipper II
And we now have our first same title HD DVD vs Blu-Ray review:

Training Day
Some quotes need to be here from that article:

Indeed, anyone sitting down with either disc would, during a casual viewing, be quite impressed by either. But a head-to-head comparison is all about the small things, and given the aspect ratio issue with the Blu-ray disc, plus the compression artifacts and slightly darker cast, I have to give this first face off to HD DVD.
And this is disturbing:

The HD DVD release of 'Training Day' was only the second on the format to include a TrueHD Dolby Digital track (after another Warner title, 'Phantom of the Opera'). Unfortunately, due to disc space limitations, Warner has elected to drop the track altogether on the Blu-ray release. Of course, since there are currently no TrueHD-compatible HD DVD or Blu-ray players nor A/V receivers on the market that can even decode the format, as of this writing the question remains moot. But more troubling is that Warner has also dropped the Dolby Digital-Plus track off of this Blu-ray release -- the only format available is plain old Dolby Digital 5.1 surround. So, instead of this Blu-ray sounding identical to the HD DVD, it sounds identical to the standard DVD released back in 2001.
Can the Samsung even decode DD+? I don't think it can...
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Old 08-01-06 | 10:56 AM
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No, it can only do the basic downconverting to DD. I'm not sure what they call that. Extracting the data or something?

It's not too disturbing, to be expected, really. Just another reason to not get anything BD.
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Old 08-01-06 | 12:32 PM
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Originally Posted by awmurray
Can the Samsung even decode DD+? I don't think it can...
My understanding is that it can.
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Old 08-01-06 | 01:41 PM
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Originally Posted by awmurray
Some quotes need to be here from that article:



And this is disturbing:



Can the Samsung even decode DD+? I don't think it can...
To my knowledge it can't. It can only extract the DD 5.1 core.
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Old 08-01-06 | 03:12 PM
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Originally Posted by darkside
To my knowledge it can't. It can only extract the DD 5.1 core.
That's a far cry from them saying it can actually decode Dolby Digital Plus. <sup>[Samsung.com]</sup>

But the DVD Talk review does note that it doesn't do DD+.

What gives? Wouldn't Samsung be torched right now if they promise it does DD+ but doesn't actually? And don't receivers handle DD+ as "regular" Dolby Digital? Isn't this akin to saying an iPod can play a 128kbps MP3 but not a 256kbps MP3?

Someone enlighten me please.
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Old 08-01-06 | 03:56 PM
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For the record, Warner confirmed that none of their first BD's have DD+. A few discs went out with a printing error. They also confirmed that these are all MPEG-2.
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Old 08-01-06 | 04:08 PM
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Originally Posted by The Bus
That's a far cry from them saying it can actually decode Dolby Digital Plus. <sup>[Samsung.com]</sup>

But the DVD Talk review does note that it doesn't do DD+.

What gives? Wouldn't Samsung be torched right now if they promise it does DD+ but doesn't actually? And don't receivers handle DD+ as "regular" Dolby Digital? Isn't this akin to saying an iPod can play a 128kbps MP3 but not a 256kbps MP3?

Someone enlighten me please.
Well to be fair they also make a big deal about 1080p output when the truth is its decoding to 1080i and then upconverting it back to 1080p. The tricky thing about Blu-ray is it is DD+ compatible. However, the Samsung is only extracting the DD 5.1 core and ignoring the + enhancements. Blu-ray is built around half truths and clever wording to disguise its real performance.

The Toshiba has a true DD+ decoder so the sound its sending to the receiver is already decoded and what you hear over HDMI or 6 channel analog is the full DD+ sound. The Samsung and Sony players are not listed as having this ability.
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Old 08-02-06 | 11:48 AM
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I found this post by suprmallet very interesting

http://www.avsforum.com/avs-vb/showt...&&#post8116429

Wish he would re-post those charts here.

In addition, Amir just posted this:

I don't know this for a fact so please park it under "rumor" . But there has been consistent word in Japan that 25 gigabyte discs have very poor yields. It is possible that Warner wanted to be on the safe side here and went for under 20 gigabyte size which is considered more manufacturable. Note that UV is also under 20 gigabytes.

It is also possible the manufacturing cost is different for 25 vs 20 due to above but somehow I doubt that makes much difference given the low volumes of these discs.

Note that we still don't have our discs to test so I am not confirming whether they are under 20 for sure.
So this makes me curious...how many of the BD discs go over 20? Does that mean that most of the discs out now are under 20 because there are still low yields above 20?!?!? And they want to go to 50???
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Old 08-02-06 | 12:07 PM
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Originally Posted by digitalfreaknyc
And they want to go to 50???
Well, yea, 'cause that'll let 'em go up to 40!
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Old 08-02-06 | 03:37 PM
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That doesn't make any sense. A Blu Ray disc is 25GB, that's it. It's not like making a 20GB is easier.

That's like saying making a 500MB CD-ROM is easier than a 600MB CD-ROM. Both fall under the max specs.

I really do wish Amir didn't talk nonsense. Or at least, what appears to be nonsense.
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Old 08-02-06 | 03:46 PM
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Originally Posted by The Bus
That doesn't make any sense. A Blu Ray disc is 25GB, that's it. It's not like making a 20GB is easier.

That's like saying making a 500MB CD-ROM is easier than a 600MB CD-ROM. Both fall under the max specs.

I really do wish Amir didn't talk nonsense. Or at least, what appears to be nonsense.
There are BD-9's. So why not smaller versions of the discs?
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Old 08-02-06 | 03:48 PM
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Originally Posted by The Bus
That doesn't make any sense. A Blu Ray disc is 25GB, that's it. It's not like making a 20GB is easier.

That's like saying making a 500MB CD-ROM is easier than a 600MB CD-ROM. Both fall under the max specs.

I really do wish Amir didn't talk nonsense. Or at least, what appears to be nonsense.
I think they are refering to how much of the 25GB disc is actually usable. I would like more proof though. You would think by now they could replicate a single layered disc without 5GB of it being useless.
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Old 08-03-06 | 12:11 AM
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Originally Posted by The Bus
That doesn't make any sense. A Blu Ray disc is 25GB, that's it. It's not like making a 20GB is easier.

That's like saying making a 500MB CD-ROM is easier than a 600MB CD-ROM. Both fall under the max specs.

I really do wish Amir didn't talk nonsense. Or at least, what appears to be nonsense.
Actually they explained this pretty well before on AVS. The test yields on 25gb discs were not very good. They were supposedly throwing away a very high % of discs. The problems(disc errors) came in on the data being written on the outside edges of the disc I believe. To work around the problem they decided to just use less capacity. This could be fixed by now, but it says alot about the launch state of BD25 much less the trouble Sony is having with BD50.

I found this qoute by Amir on the state of Triple Layer HD-dvd even more interesting though:

" BTW, one thing that would make TL-45 a reality overnight is one of the BD studios making that a condition of supporting HD DVD (the original intention behind TL-45)."
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Old 08-03-06 | 12:15 AM
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So does Sony test each disc? or do they randomly spot check? And if so, how do they do that? All very interesting...to me, at least.
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Old 08-03-06 | 12:47 AM
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Originally Posted by digitalfreaknyc
So does Sony test each disc? or do they randomly spot check? And if so, how do they do that? All very interesting...to me, at least.

I doubt they test each of the mass produced discs. I know Sony is currently making them in Terre Haute but I don't know if any of the big replicator's have started production yet. If yields are not very good I wouldn't expect to hear anything from Sony on the issue.

Judging by the overall general quality of some of the release titles I think they just wanted to get them on the store shelf without risking a high return rate if they were all duds. Hence, bump them down to safe 20gbs and call it a day for now. BD25 yields were quoted from both Sony and Panasonic as being at 80% over the last year. Dropping down to 20gb probably brought them up to the 90% figure the were shooting for in the lab.

One thing to remember is the rumor that studios were concerned with poor BD yields, and to get them on board, Sony agreed to subsidize the bad discs for the studios. This makes it easier to understand why Sony wants to be as efficient as possible regarding their current disc manufacturing.
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Old 08-03-06 | 12:47 AM
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With BD50, it sounds like Sony is testing each disc. Don't know about BD25.
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Old 08-03-06 | 01:03 AM
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Originally Posted by Suprmallet
With BD50, it sounds like Sony is testing each disc. Don't know about BD25.
Probably. I wouldn't be surprised if bd50 is still in the lab.
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Old 08-03-06 | 01:06 AM
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I've heard that for every 10 BD50's produced, 9 get thrown away. 90% of the yields are unusable. Yikes!
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Old 08-03-06 | 09:25 AM
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Originally Posted by Suprmallet
I've heard that for every 10 BD50's produced, 9 get thrown away. 90% of the yields are unusable. Yikes!
If that's true, they should just quit. 10% is barely an acceptable failure rate on things like processors, it would be horrible for discs. 90% means they've failed completely and should just scrap the technology.
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Old 08-03-06 | 09:40 AM
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Originally Posted by Spiky
If that's true, they should just quit. 10% is barely an acceptable failure rate on things like processors, it would be horrible for discs. 90% means they've failed completely and should just scrap the technology.
How do you think 50" LCDs are made?
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