Multi-Laser : Supports Red And Blu-Ray Lasers

[PC-Engine]

Some would argue that harder coating is a welcome adition for existing DVDs already

Yeah and I know all four of them, two of which post at B3D.

Some would argue in favor of MO...

Ok, so the fact that pit density is much higher in HD-DVD/AOD compared to DVD does not make you think that maybe they need something better than what DVD uses to protect data from scratches ?

Why do you think they use a blue laser?

 

[Panajev2001a]

Ok, so the fact that pit density is much higher in HD-DVD/AOD compared to DVD does not make you think that maybe they need something better than what DVD uses to protect data from scratches ?

Why do you think they use a blue laser?

Whoa, I did not know that Blue-Laser completely eliminated the need for scratch protection.

Pit density being high is of course a result of being able to use a blue-laser, but this does not change the fact that a scratch on a HD-DVD can potentially ruin much more data than on a DVD ( both have the same surface area, one just uses each mm^2 to store more bits ).

Your answer was good in the sense that it dodged the issue quite well .

 

[PC-Engine]

Ok, so the fact that pit density is much higher in HD-DVD/AOD compared to DVD does not make you think that maybe they need something better than what DVD uses to protect data from scratches ?

Why do you think they use a blue laser?

Whoa, I did not know that Blue-Laser completely eliminated the need for scratch protection.

Pit density being high is of course a result of being able to use a blue-laser, but this does not change the fact that a scratch on a HD-DVD can potentially ruin much more data than on a DVD ( both have the same surface area, one just uses each mm^2 to store more bits ).

Your answer was good in the sense that it dodged the issue quite well .

Well, maybe you should ask the engineers at Toshiba and NEC?

I'm pretty sure they leaped before they looked...

 

[wco81]

Well, maybe you should ask the engineers at Toshiba and NEC?

There was an article in the WSJ about a month or two back saying that Sony's engineer approached Toshiba's top engineering guy about working together, long before the DVD Forum shenanigans (the Blue Ray companies abstaining on the HD DVD/AOD proposal).

Obviously the development of these formats were influenced by political/economic/personality factors as much as, if not more than the technical factors.

 

[PC-Engine]

Well, maybe you should ask the engineers at Toshiba and NEC?

There was an article in the WSJ about a month or two back saying that Sony's engineer approached Toshiba's top engineering guy about working together, long before the DVD Forum shenanigans (the Blue Ray companies abstaining on the HD DVD/AOD proposal).

Obviously the development of these formats were influenced by political/economic/personality factors as much as, if not more than the technical factors.

Oh I agree, however NEC also approached Toshiba about unifying their respective blue-laser formats and Toshiba agreed which resulted in, at the time, AOD.

The point I was making was that the AOD technology was in development separately by both companies long before it was even proposed to the DVD Forum, therefore overlooking something totally obvious like error correction is highly unlikely. Mass production is starting later this month so it's safe to say there are no error issues with regards to reading scratched discs.

 

[cthellis42]

I think this should all be decided by a surfboarding contest.

Meanwhile, I would !#%^ing love to see some kind of hardcoating on DVD's, considering how easily they scratch and how small some issues have to be to complete screw you over.

...but then, the production companies don't really mind people simultaneously blaming only themselves and having to buy a new DVD, do they? Incentive to change = 0

 

[zidane1strife]

HD-DVD OTOH uses the same cover layer thickness as current DVDs so it's exactly the same no need for caddies or hard coatings.

Well, the hard coating's supposed to be available(haven't checked) in tdk's armor plated dvd-rs, I think I'll back-up all my dvds with those nice disks... DMCA MY @SS!!!

IMHO, if I buy a piece of information, I've got the right to back it up, and have as many copies as I please. Even after the original has deteriorated and is no more, I've the right to keep the info, and use it.

 

[PC-Engine]

HD-DVD version 1 approved.

http://www.eetimes.com/sys/news/sho...id=VVN5DYDIWBBCEQSNDBCSKHQ?articleID=22100666

June 18, 2004

MPEG-2, WM9 (VC-9) and MPEG-4 AVC (H.264) were approved in version 1.0 as the video codecs for the HD DVD-ROM format. Before HD DVD-ROM players hit the market, however, the application specification must be completed, which is expected to be finalized by the end of the year.

Toshiba and NEC, the major promoters of the HD DVD format, plan to introduce HD DVD products next year as the spec gains final approval by the DVD Forum.

HD-DVD-ROM players and PC drives next year? I guess that would mean HD-DVD movies will be available next year since it's ROM.