Blu-ray Disc - History, Specifications and Definition

A Blu-ray Disc (BD) is a next-generation optical disc format designed for high-density storage of high-definition video and data.
Overview
The name Blu-ray is derived from the blue-violet laser it uses to read and write to the chalcogenide disc. A Blu-ray Disc can store substantially more data than a DVD, because of the […]

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CD ROM - Compact Disc History and Specifications

A Compact Disc (CD) is an optical disc used to store digital data, originally developed for storing digital audio. The CD, introduced in 1982, remains the standard playback format for commercial audio recordings as of mid-2006. An audio compact disc consists of one or more stereo tracks stored using 16-bit PCM […]

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DVD ROM History, Definition and Specifications

DVD (also known as “Digital Versatile Disc” or “Digital Video Disc“) is an optical disc storage media format that can be used for data storage, including movies with high video and sound quality. DVDs resemble compact discs as their physical dimensions are the same (120 mm (4.72 inches) or occasionally […]

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