12 Facts About Blu-ray

1.

Blu-ray Disc, often known simply as Blu-ray, is a digital optical disc data storage format.

FactSnippet No. 484,545
2.

The main application of Blu-ray is as a medium for video material such as feature films and for the physical distribution of video games for the PlayStation 3, PlayStation 4, PlayStation 5, Xbox One, and Xbox Series X The name "Blu-ray" refers to the blue laser used to read the disc, which allows information to be stored at a greater density than is possible with the longer-wavelength red laser used for DVDs.

FactSnippet No. 484,546
3.

In January 2005, TDK announced that it had developed an ultra-hard yet very thin polymer coating for Blu-ray Discs; this was a significant technical advance because a far tougher protection was desired in the consumer market to protect bare discs against scratching and damage compared to DVD, while technically Blu-ray Disc required a much thinner layer for the denser and higher-frequency blue laser.

FactSnippet No. 484,547
4.

The 360's successor Xbox One features a Blu-ray drive, as does the PS4, with both supporting 3D Blu-ray after later firmware updates.

FactSnippet No. 484,548
5.

Blu-ray Discs are used to distribute PlayStation 3, PlayStation 4, PlayStation 5, Xbox One and Xbox Series X games, and the aforementioned game consoles can play back regular Blu-ray Discs.

FactSnippet No. 484,549
6.

The Ultra HD Blu-ray format delivered high dynamic range content that significantly expanded the range between the brightest and darkest elements, expanded color range, high frame rate and up to 3840×2160 resolution, object-based sound formats, and an optional "digital bridge" feature.

FactSnippet No. 484,550
7.

Usable data rate of a Blu-ray Disc drive can be limited by the capacity of the drive's data interface.

FactSnippet No. 484,551
8.

Recordable and rewritable (BD-RE) versions of Mini Blu-ray Disc have been developed specifically for compact camcorders and other compact recording devices.

FactSnippet No. 484,552
9.

Blu-ray Disc allows video with a bit depth of 8-bits per color YCbCr with 4:2:0 chroma subsampling.

FactSnippet No. 484,553
10.

Blu-ray equipment is required to implement the High-bandwidth Digital Content Protection system to encrypt the data sent by players to rendering devices through physical connections.

FactSnippet No. 484,554
11.

On December 17, 2009, the BDA officially announced 3D specs for Blu-ray Disc, allowing backward compatibility with current 2D Blu-ray players, though compatibility is limited by the fact that the longer 3D discs are triple-layer, which normal players cannot read.

FactSnippet No. 484,555
12.

Ultra HD Blu-ray Discs are incompatible with existing standard Blu-ray players.

FactSnippet No. 484,556