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DVD region code. DVD region codes are a digital rights management technique introduced in 1997. [1] It is designed to allow rights holders to control the international distribution of a DVD release, including its content, release date, and price, all according to the appropriate region. This is achieved by way of region-locked DVD players ...
Retrieved from "https://en.wikipedia.org/w/index.php?title=Blu-ray_Region_Code&oldid=664334807"
Unlike DVD region codes, Blu-ray region codes are verified only by the player software, not by the optical drive's firmware. As of 2017 the latest types of Blu-ray players, suitable for Ultra HD Blu-ray content, are not region-free, but Ultra HD Blu-ray disc manufacturers have not yet locked the discs to any region and they work worldwide.
Though the Blu-ray Disc group did add mandatory managed copy to Blu-ray, they did not add HDi. [25] HD DVD players and movies were released in the United States on April 18, 2006. [26] The first Blu-ray Disc titles were released on June 20, 2006, and the first movies using dual layer Blu-ray discs (50 GB) were introduced in October 2006. [27]
Regional lockout. A regional lockout (or region coding) is a class of digital rights management preventing the use of a certain product or service, such as multimedia or a hardware device, outside a certain region or territory. A regional lockout may be enforced through physical means, through technological means such as detecting the user's IP ...
The DVD (common abbreviation for digital video disc or digital versatile disc) [9][10] is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any kind of digital data and has been widely used to store video programs (watched using DVD players ...
CBHD Based on HD DVD format. Comparison of high definition optical disc formats. Digital rights management. HD DVD. HD NVD. High definition optical disc format war. Optical disc. PlayStation 3. PlayStation 4.
The DVD Copy Control Association (DVD CCA) is an organization primarily responsible for the copy protection of DVDs. The Content Scramble System (CSS) was devised for this purpose to make copyright infringement difficult, but also presents obstacles to some legitimate uses of the media. The association is also responsible for the controversial ...
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