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Hitachi's 100GB quad layer disc to be PS3 compatible via Firmware update

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363w ago - Hitachi has reportedly confirmed that its new 100GB quad layer Blu-ray disc will be compatible with the PS3 and existing Blu-ray players after a firmware update has been installed. This is promising news for all early adopters as they can sleep safe in the knowledge that they won't get left behind. The 100GB disc will also give Sony and its partners huge bragging rights over the HD-DVD camp who have been touting a 51GB capacity disc.

From the article: Hitachi is now working on improving the signal quality of its quad-layer technology so that it will be ready for market. The company also said that it is working on an eight-layer variant of the technology, which would yield a Blu-ray Disc capable of holding 200GB.

Although no new hardware may be required to read the additional layers of Hitachi's Blu-ray Disc, it is still unclear what costs, if any, would be added onto the manufacturing side of the equation. Should expensive equipment be required to manufacture the discs, movie studios may opt to release their titles across two Blu-ray Discs rather than cram Movie and special feature data onto a single disc.

While the Blu-ray camp has its hopes in Hitachi's multi-layer disc technology, the HD DVD group recently approved a triple-layer disc that is capable of holding 51GB. In order to reach...
 

Hitachi showcases 100GB Blu-Ray disc

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363w ago - Hitachi has developed a prototype four layer Blu-Ray disc capable of holding 100GB of data.

While companies such as TDK and Panasonic have previously mooted 100GB discs, they have always needed a specially developed optical head in the player to read the disc.

Hitachi, however, claims to have used a standard Blu-Ray drive optical head that's only slightly modified to allow it to read and write data across the four 25GB layers. It's believed this will only require a firmware update to make existing drives compatible.

The company is apparently working now to stabilise signal quality before considering a commercial roll-out.

The hardware manufacturer is also researching an eight layer disc that can hold 200GB of data but has encountered problems with reflections decreasing signal strength across the eight layers, which it is working to rectify.

At the time of going to press there is no word on when the disc will be ready for commercial release.
 
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