Toshiba Announces Triple-Layer 51GB HD-DVD Discs


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Probably posted somewhere already, but meh... ;)

And then the moment of revelation. A few days ago in Las Vegas, Toshiba announced that developed a triple-layer HD DVD-ROM (read only) disc with a capacity of 51 gigabytes. The HD DVD format being supported by Microsoft holds 30GB of media while Sony's Blu-Ray has the capacity to store 50GB. Accordingly, this is how they've accomplished the feat:

HD DVD discs hold 15GB per layer. In order to reach a dual-layer Blu-Ray Disc-besting capacity, an extra 2GB per layer was squeezed in, for a total of 51GB. Improvement in disc mastering technology has achieved further minimization in the recording pit, allowing for the boost in capacity to 17GB in single layer and a full 51GB on a single-sided triple-layer disc.

Lastly, Toshiba explained that the new disc has the same structure as that of a standard DVD and HD DVD, resulting to an almost negligible added cost of adding a third layer. They are aiming to get the approval of the new disc by the DVD Forum within this year.

QJ

DailyTech (more info on 10-layer discs here)

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That is great and all, but TDK showed off a 100Gb Blu-Ray disk that is recordable last year (at CES)..let the capacity war begin :p

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That is great and all, but TDK showed off a 100Gb Blu-Ray disk that is recordable last year (at CES)..let the capacity war begin :p

Yes but the big deal here is that all the people saying that HD-DVD doesn't have enough space now have lost that point. Anything over a certain amount say 30-50 GB is just excessive for everything but data back-up and maybe a few movies loaded with everything. Just my take on it though :).

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That is great and all, but TDK showed off a 100Gb Blu-Ray disk that is recordable last year (at CES)..let the capacity war begin :p

The difference is what is actually wanted from the public. Having the ability and actually doing it (which goes for this 51Gb HD-DVD also) is a completely different story. However, if the cost is as negligible as they say and it would get them at the same capacity as Blu-Ray they may make a push for it.

Case in point: this article is from 2000:

New High-Capacity DVD to Hold 22.5GB

Prototype holds five times as much as data as current DVDs; ship date not announced.

Martyn Williams, IDG News Service Thursday, October 05, 2000 01:00 AM PDT

CHIBA, JAPAN-- Sony and Pioneer unveiled at the CEATEC electronics show here this week a prototype optical disc video recorder that utilizes a state-of-the-art blue laser.

The development of a commercial optical disc recording system based on a blue laser is a goal being pursued by many electronics makers at present and is seen as the next-generation leap from today's red laser-based systems. Because blue light has a shorter wavelength than red light, 405 nanometers versus 650 nanometers, data can be packed closer together and a standard optical disc can be made to hold more data.

DVR-Blue, the system on display at CEATEC this week, can store up to 22.5GB data on a standard optical disc--roughly five times the capacity of the latest 4.7GB DVD-RAM disc. Sony and Pioneer said that is enough capacity to record 2.5 hours of high-definition television, an application for which they think the new system will first catch on when commercialized.

The companies, which are working together on the research and development, bought a blue laser for the recorder from Nichia Chemical Industries, one of only two companies in Japan that is capable of producing such a device.

Commercial production is a ways off. The prototype was such a recent development that few details were available, and staff from Pioneer said that up until last week they were even unsure whether the prototype would be finished in time.

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I dont see the point of that except for backing up data :p

I dont think a movie or game would ever take up that much space, would it?

It would be nice for a TV-Show DVD set. :) Instead of 5 or so DVD's, just one.

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Why is this in the Xbox360 forums? Games will not be coming out on the HD-DVD.

IIRC there is an external HDDVD drive for the 360. :p

But I agree, this could be moved to a better forum.

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Instead of buying a box set we will only need the one disk for our favourite tv shows :) or a whole season of our favourite sports team on 1 disk would be great.

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Instead of buying a box set we will only need the one disk for our favourite tv shows :) or a whole season of our favourite sports team on 1 disk would be great.

screw sports! Ugly Betty and Desperate Housewives all the way!!! :blush: :laugh: :rofl: :p

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That is great and all, but TDK showed off a 100Gb Blu-Ray disk that is recordable last year (at CES)..let the capacity war begin :p

From what I read, they weren't actually able to do it. It was all theoretical. Could be mistaken though.

Will current drives read the new triple-layer format?

As far as I can tell from the article, yes current drives will be able to read the triple-layer format.

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