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  2. High-definition optical disc format war - Wikipedia

    en.wikipedia.org/wiki/High-definition_optical...

    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]

  3. Comparison of high-definition optical disc formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_high...

    The new discs were to overlay the Blu-ray and HD DVD layers, placing them respectively 0.1 millimetres (100 μm) and 0.5 millimetres (500 μm) beneath the surface. The Blu-ray top layer would act as a two-way mirror, reflecting just enough light for a Blu-ray reader to read and an HD DVD player to ignore. [18]

  4. Comparison of popular optical data-storage systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_popular...

    With the development of high-definition television, and the popularization of broadband and digital storage of movies, a further format development took place, again giving rise to two camps: HD DVD and Blu-ray, based upon a switch from red to blue-violet laser and tighter engineering tolerances. As of 2007 both have significant releases in the ...

  5. Pirated movie release types - Wikipedia

    en.wikipedia.org/wiki/Pirated_movie_release_types

    UHD data rips also exist. In scene releases, full copy of the Blu-ray Disc is called "COMPLETE.BLURAY" [19] or "BDISO" when in a .iso file format, meanwhile full copy of Ultra HD Blu-Ray discs is called "COMPLETE.UHD.BLURAY". BD and BRRips come in various (now possibly outdated) versions: m-720p (or mini 720p)

  6. HD DVD - Wikipedia

    en.wikipedia.org/wiki/HD_DVD

    HD DVD (short for High Density Digital Versatile Disc) [1] is an obsolete high-density optical disc format for storing data and playback of high-definition video. [2 ...

  7. Blu-ray - Wikipedia

    en.wikipedia.org/wiki/Blu-Ray

    In the mid-2010s, the Ultra HD Blu-ray format was released which is an enhanced variant of Blu-ray compatible with the 4K resolution. Ultra HD Blu-ray discs and players became available in the first quarter of 2016, having a storage capacity of up to 100 GB. [104] [105] By December 2017, the specification for an 8K Blu-ray format was also ...

  8. DVD-Video - Wikipedia

    en.wikipedia.org/wiki/DVD-Video

    Two competing high-definition (HD) optical-disc formats, HD DVD and Blu-ray, were introduced in 2006. The HD DVD format, promoted by Toshiba, was backed by the DVD Forum, which voted to make it the official successor to DVD. Opposing HD DVD was the Blu-ray format, led by the Blu-ray Disc Association, which shares many members with the DVD forum ...

  9. Optical storage media writing and reading speed - Wikipedia

    en.wikipedia.org/wiki/Optical_storage_media...

    For Blu-ray discs, 1× speed is defined as 36 megabits per second (Mbit/s), which is equal to 4.5 megabytes per second (MB/s). [7] However, as the minimum required data transfer rate for Blu-ray movie discs is 54 Mbit/s, the minimum speed for a Blu-ray drive intended for commercial movie playback should be 2×. The fastest Blu-ray speed is 16×.