Blu-Ray Disc

Abstract:

The standards for 12-cm optical discs were established in 1982(CDs), 1996(DVDs) respectively. When these standards were decided, the important issue was their recording capacity. For CDs the requirement was 74 minutes of recording audio signals(2-channel) and a capacity of about 800MB and for DVDs, the requirement as a video disc was 2hr &15 min using the standard definition with MPEG-2 compression & considering image quality the capacity was determined to be 4.7 GB

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Blu Ray Disc

Abstract:

The thrust for an advanced format of data storage on optical disc led to revolutionary introduction of BLU-RAY DISC. This advances in the race against its competitors DVD (Digital Video Disc) & AOD (Advanced Optical Disc) in that it has high storage capacity, advanced security and privacy features and the A/V high quality O/P (generally video) of the media files stored on it make’s it quite unique & gives an edge over the others, letting BD to be widely adaptable in every application possible.

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