Topic 3-11-10

Blu-ray

Wikipedia articles

Blu-ray info

A blue ray disc is an optical disc storage medium designed to supersede the standard DVD format.

Blu-ray summary

Blu-ray is the type of disc used for play station3 games and for playing high-definition (HD) movies, formerly competing against the now obsolete HD DVD format.

optical disc

optical disc is a flat, usually circular disc which encode binary data in the form of pits (binary value of 0 or off, due to lack of reflection when read) and lands (binary value of 1 or on, due to a reflection when read) on a special material (often aluminum) on one of its flat surfaces.

7 other

how blu-ray works

With their high storage capacity, Blu-ray discs can hold and play back large quantities of high-definition video and audio, as well as photos, data and other digital content. It explains how the blu-ray disc works and how it was developed.

reading data

The Blu-ray disc overcomes DVD-reading issues by placing the data on top of a 1.1-mm-thick polycarbonate layer. Having the data on top prevents birefringence and therefore prevents readability problems.

blu-ray.com

Blu-ray also known as Blu-ray Disc (BD), is the name of a next-generation optical disc format jointly developed by the Blu-ray Disc Association (BDA), a group of the world’s leading consumer electronics, personal computer and media manufacturers

What is blu-ray

A blu ray is a digital video disk that can record, store and play back high definition video, digital audio and computer data.

An introduction

Blu-ray discs are exactly the same size as DVDs, which are themselves the same size as CDs. How do Blu-rays store more than DVDs? How do DVDs store more than CDs?

Blu-ray works

By contrast, Blu-ray discs are the latest addition to the collection of optical data storing devices.

History

Now, in the next millennium, high definition video demands a new solution. History proved that a significant 5-10 x increase in storage capacity and the ability to play previous generation formats are key elements for a new format to succeed.

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