Blu-ray's new standard "BDXL" that realizes the recording capacity of 128 GB has appeared, and the hybrid standard "IH-BD" also

Pioneer succeeded in developing the world's first large-capacity optical disc compatible with Blu-ray in 2008Although it is Blu-ray that there is a feeling that the research towards future large capacity increase is progressing steadily, as a new standard which realizes the recording capacity 128 GB finally "BDXL"Has appeared.

In addition, as a hybrid new standard adopting a special structure on the recording surface "IH-BDIt is said that it will appear.

Details are as below.
Blu-ray Disc Association Announces Additional Format Enhancements | Business Wire

According to this press release, a corporate organization "BDA (Blu-ray Disc Association)" established for the purpose of establishing and disseminating standards of the Blu-ray Disc format adopts "BDXL (High Capacity Recordable and Rewritable Discs)It is said that it will formulate within a few months.

By increasing the number of recording layers from 1 to 2 layers to 3 to 4 layers from the conventional layer, BDXL corresponds to a write once of 100 GB or 128 GB of recording capacity (system which can write only once) or 100 GB of rewritable (rewritable system) It is targeted to enterprise users including broadcasting and medicine, which has high demands for high-capacity storage as standards, and will be offered for general users in areas where Blu-ray recorders are widespread Thing.

Also, a rewritable recording layer on one disk and a BD-ROM layer which is dedicated to reading data are incorporatedIH-BD (Intra-Hybrid Blu-ray Disc)"Standards are also to be formulated, and this is the one which the user can write data to the disk where contents were written beforehand such as video software.

In order to use "BDXL" and "IH-BD", hardware such as recorder compliant with the new standard is required, but since both new standards extend the existing technology, Correspond to the standard ofBackward compatibilityIt is said that it is possible to play a conventional Blu-ray disc with equipment compatible with the new standard.