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August 5, 2008 11:07 AM PDT

Pioneer ups the ante, says 500GB Blu-ray-like disc possible

by Erica Ogg
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A month after saying it had figured out how to squeeze 400GB of data onto a single optical disc, Pioneer says it can do better than that.

Pioneer 20-layer optical disc (Credit: Pioneer)

On Tuesday the company said that it is "feasible" to produce a Blu-ray-compatible disc with 20 layers. At 25GB per layer, that amounts to a 500GB disc. The previous claim of 400GB meant just 16 layers were on a single disc.

Blu-ray Discs are currently available in single layer (25GB) and dual-layer (50GB) discs.

The company said that it was able to squeeze more layers in by stacking alternating layers of two different thicknesses.

The disc is still in the research phase, but Pioneer says its goal is to produce an actual product between 2010 and 2012. Of course, whether it will even be possible to make discs with that many layers compatible with a broad array of Blu-ray player models on the market now is unclear. But by its own gaols, it's got a couple years to figure that out.

(Via Engadget)

Erica Ogg is a CNET News reporter who covers Apple, HP, Dell, and other PC makers, as well as the consumer electronics industry. She's also one of the hosts of CNET News' Daily Podcast. In her non-work life, she's a history geek, a loyal Dodgers fan, and a mac-and-cheese connoisseur. E-mail Erica.
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Add a Comment (Log in or register) (11 Comments)
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by Shaymojack August 5, 2008 11:52 AM PDT
I just wonder why you would need 500GB on one disc.
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by umbrae August 5, 2008 12:09 PM PDT
You need 500gb to support the planned versions for the new BluRay DRM.
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by gamah_killah August 6, 2008 5:47 AM PDT
Wow, I can see a PS3 game with 500GB worth of content in the future
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by bigrob16 August 6, 2008 7:50 AM PDT
Great.. who cares? By 2012 you will be able to buy a 4 TB hard drive for $100, and download a hi-def mpg4 movie in 10 minutes on your residential fiber connection.
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by bigrob16 August 6, 2008 7:50 AM PDT
Great.. who cares? By 2012 you will be able to buy a 4 TB hard drive for $100, and download a hi-def mpg4 movie in 10 minutes on your residential fiber connection.
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by ender21 August 6, 2008 9:01 AM PDT
This has little to do with the Video or Game industries, and has more to do with archiving and backup. In my industry we use 400GB LTO3 tapes all the time for archival and backup, as well as processing of our clients' data. An optical disk that holds 500GB *should* be more durable and have a longer shelf life.
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by brandonh33 August 6, 2008 10:25 AM PDT
@bigrob16... Your debate is not thought out very well. First of all 500gb on a disk in 2010-2012 would be a huge deal, there is no denying that. To compare that to todays standards, you can pick up a 1TB hard drive for about $200. The largest commercial disk is 50GB. that is a 50 to 1000 ratio or 1:20. Now to be still optimistic but realistic I am going to say 4 TB hard drives will be about $200 in 2010. Then compare that to the future 500GB bluray. 500 to 4000 or 1:8. To have that much improvement with a cheep disk medium would be to say the least, amazing. As for your fios prediction, even with a 20Mb connection it would still take an undesired amount of time to download a 720p movie, and dont even consider a 1080p video. Also, to say everybody, even the majority of the US will have a 20Mb connection average by 2010 is childish. Getting faster internet to the public via fios and what not is a slow and painful process. And my final point is that hard drives will never replace the disk medium because once put into production it is so cheap to produce for the amount of memory you can store. Imagine backing up your 1TB hard drive for 10 bucks.
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by brandonh33 August 6, 2008 10:28 AM PDT
@bigrob16... Your debate is not thought out very well. First of all 500gb on a disk in 2010-2012 would be a huge deal, there is no denying that. To compare that to todays standards, you can pick up a 1TB hard drive for about $200. The largest comercial disk is 50GB. that is a 50 to 1000 ratio or 1:20. Now to be still optimistic but realistic I am going to say 4 TB hard drives will be about $200 in 2010. Then compare that to the future 500GB bluray. 500 to 4000 or 1:8. To have that much improvement with a cheep disk medium would be to say the least, amazing. As for your fios prediction, even with a 20Mb connection it would still take an undesired amount of time to download a 720p movie, and dont even consider a 1080p video. Also, to say everybody, even the majority of the US will have a 20Mb connection average by 2010 is nieve. Getting faster internet via fios and what not is a slow and painful process.
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by jasonbryanmiller August 6, 2008 10:41 AM PDT
The main use that jumps out to me is for TV shows. Would be nice to buy a single disk with all the seasons of your favorite show, rather than multiple box sets. Would love to fit my entire collection of MST3K or X-Files on a single disk.
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by the_iceman August 6, 2008 5:44 PM PDT
10X a dual layered Blu-Ray is definitely interesting, now let's see IF pioneer can makes this reality. Personally, I hope they do.
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by ajay_000222 August 6, 2008 8:37 PM PDT
they misspelled goals "But by its own gaols, it's got a couple years to figure that out. "
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