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What is Blu-ray?

Blu-ray, also known as Blu-ray Disc (BD), is the name of a next-generation optical disc format developed by the Blu-ray Disc Association (BDA).

This format was developed to enable recording, rewriting and playback of high-definition video (HD), as well as storing large amounts of data.

One of the many fantastic features of Blu-ray Disk is that this format offers more than five times the storage capacity of a traditional DVD, holding up to 25GB on a single-layer disc and 50GB on a dual-layer disc!

Where does the name Blu-ray come from?

Current technologies such as DVDs, rely on a red laser to read and write data, while this new format uses a blue-violet laser instead, Hence ‘blu-ray’ was born.

For those thinking about purchasing a Blu-ray player, Don’t be discouraged at the thought of upgrading your entire DVD collection. New blu-ray products are made backwards compatible with CDs and DVDs through the use of a BD/DVD/CD compatible optical pickup unit, so be sure to check that your Blu-ray player is backward compatible.

What is the benefit of Blu-ray?

In short, the benefit of using a blue-violet laser is that it has a shorter wavelength than a red laser. This allows for greater storage capacity as the shorter laser is able to be focused with greater precision and therefore more data is able to be packed onto a single disk.

At present Blu-ray is supported by more than 180 of the world’s leading consumer electronics, computer, video game and music companies.

So for great prices on Blu-ray, visit our Blu-ray movies, Blu-ray players, and Blu-ray accessories sections.

More information on Blu-ray can be found here.