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#1
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#2
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What are the differences between HD-DVD and Blu-Ray ? I've searched the internet but only come up with one or the other, nothing that really compares the two. *TIA* |
#3
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What are the differences between HD-DVD and Blu-Ray ? I've searched the internet but only come up with one or the other, nothing that really compares the two. *TIA* |
#4
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They use different technology in terms of the laser and format of the data written. HD-DVD uses very similar technology to current DVD's except with a blue laser and denser data on the disc. BD-DVD has a greater capacity, but more potential problems with playback due to the denser data and very close tolerances. The biggest difference is the companies that back each of the formats. Hardware makers back BD-DVD because they make millions selling the new equipment needed to make the discs and make the players. Content providers initially backed HD-DVD because it is far cheaper to implement and make, using the same mfg equipment as DVD's. Consumers seem to back BD-DVD because of it's higher capacity. Both formats use very tight DRM controls, although both have also been cracked already. |
#5
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Dan G wrote: They use different technology in terms of the laser and format of the data written. HD-DVD uses very similar technology to current DVD's except with a blue laser and denser data on the disc. BD-DVD has a greater capacity, but more potential problems with playback due to the denser data and very close tolerances. The biggest difference is the companies that back each of the formats. Hardware makers back BD-DVD because they make millions selling the new equipment needed to make the discs and make the players. Content providers initially backed HD-DVD because it is far cheaper to implement and make, using the same mfg equipment as DVD's. Consumers seem to back BD-DVD because of it's higher capacity. Both formats use very tight DRM controls, although both have also been cracked already. So, neither is really "interactive" as CD-i is / would be ? (I understand that CD-i is a totally different animal I was just wondering if any of the new standards were "interactive") |
#6
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Consumers seem to back BD-DVD because of it's higher capacity. |
#7
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Dan G: Consumers seem to back BD-DVD because of it's higher capacity. There is no such thing as BD-DVD, it is just BluRay disc; adding DVD implies a compatibility that isn't guaranteed. BR/BD once had a higher capacity 'in theory' but last I heard, Sony has been unable to actually manufacture a 50GB BD. Toshiba has since announced that HD-DVD will support 51GB so it is now HD-DVD that has greater capacity, 'in theory'. We'll have to wait and see what is actually produced. Lastly, consumers have yet to choose one standard over the other. HD-DVD outsold BR during xmas but BR pulled ahead when people started cashing in their free BR coupons from Sony. I think it will be a while before either format becomes dominant. In my opinion, movie distribution via disc will become obsolete before either format 'wins'. One last difference is that early BR movies had substantially inferior video quality, although newer discs seem to have caught up with HD-DVD. -- Mac Cool |
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