Different Formats Of Blank Cd Media

Even with well over a decade in the marketplace

, DVDs can still be the source of some confusion for the average buyer of home electronics. Competing formats is not unheard of when it comes to DVDs, as a challenge had emerged within only three years of its debut threatening the very survival of the standard. It would seem, however, that format wars could now be a thing of the past with HD-DVD's recent abdication to rival Blue-Ray Disc. This fourth article of the series examining many things DVD will now take a look at the vanquished contender format of HD-DVD.

Now in what appears to be an inherent characteristic of the DVD, whereby the very acronym seems to engender competing definitions (viz., "Digital Versatile Disc" versus "Digital Video Disc"), HD-DVD has alternately been defined as "High-Definition DVD" and "High-Density DVD." Both meanings describe the format accurately, however, as it is precisely the high data density that makes possible the high-definition video. With strong backing from consumer electronics power Toshiba, HD-DVD was envisioned to become the successor to the standard DVD format. Under steady pressure from the competing format of Blue-Ray Disc, however, support for HD-DVD continually dwindled until around two years after its debut it would be discontinued. Following on the heels of a series of high profile defections to Blue-Ray, Toshiba conceded the market and effectively rendered HD-DVD defunct. The HD-DVD Promotion Group that had been organized to advocate for the format was disbanded soon thereafter.

The HD-DVD Promotion Group had been organized as a consortium of electronics manufacturers and movie studios to coordinate efforts worldwide on behalf of the format. Toshiba Corporation served as the chair, with NEC, Sanyo Electric, and Memory-Tech rounding out the leadership in various capacities, with a total of sixty-one general members and seventy-two associate members. Toshiba had previously served as the chairman company for the DVD Forum, which had been comprised of industry insiders with a similar mission of promotion and advocacy for DVDs in general. But advances in laser technology yielded by Sony and Pioneer lead to the development of Blue-Ray, creating a deep schism in the industry between those who backed Blue-Ray and those who championed HD-DVD. Even though today's Blue-Ray Discs are virtually identical to standard DVDs, at the time of their introduction Blue-Ray Discs had to be housed in a protective caddy that posed various problems, many of which involved increased expenses, such as requiring special players that can accept them.

by: Paul Wise

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