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  2. DVD region code - Wikipedia

    en.wikipedia.org/wiki/DVD_region_code

    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 ...

  3. Blu-ray - Wikipedia

    en.wikipedia.org/wiki/Blu-Ray

    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.

  4. Blu-ray Region Code - Wikipedia

    en.wikipedia.org/?title=Blu-ray_Region_Code&...

    Retrieved from "https://en.wikipedia.org/w/index.php?title=Blu-ray_Region_Code&oldid=664334807"

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

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

    The Blu-ray specification and all currently available players support region coding. As of July 2008 about 66.7% of Blu-ray Disc titles are region-free and 33.3% use region codes. The HD DVD specification had no region coding, so a HD DVD from anywhere in the world will work in any player.

  6. Regional lockout - Wikipedia

    en.wikipedia.org/wiki/Regional_lockout

    The DVD, Blu-ray Disc, and UMD media formats all support the use of region coding; DVDs use eight region codes (Region 7 is reserved for future use; Region 8 is used for "international venues", such as airplanes and cruise ships), and Blu-ray Discs use three region codes corresponding to different areas of the world. Most Blu-rays, however, are ...

  7. List of optical disc manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_optical_disc...

    Philips. Plasmon Data Systems (Defunct in late 1990's) [21] Prodisc. Pressing-Media www.pressing-media.com. PrimeDisc [22] Princo Corp [23] (seems to have stopped, as of 2020 they no longer appear on their home page) [24] Panasonic (Matsushita) (last made DVD-RAM, stopped due to shrinking demand, still makes Blu-rays [25]) Ending production of ...

  8. List of Blu-ray player manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_Blu-ray_player...

    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.

  9. DVD-Video - Wikipedia

    en.wikipedia.org/wiki/DVD-Video

    Other logo used from 1997 to 2001 (although some DVDs from 2001 to 2003 and some pirated DVDs made after 2001 still carry this logo) DVD-Video is a consumer video format used to store digital video on DVDs. DVD-Video was the dominant consumer home video format in Asia, North America, [5] Europe, and Australia in the 2000s until it was ...

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