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  2. Optical disc - Wikipedia

    en.wikipedia.org/wiki/Optical_disc

    The third generation optical disc was developed in 2000–2006 and was introduced as Blu-ray Disc. First movies on Blu-ray Discs were released in June 2006. [28] Blu-ray eventually prevailed in a high definition optical disc format war over a competing format, the HD DVD. A standard Blu-ray disc can hold about 25 GB of data, a DVD about 4.7 GB ...

  3. 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×.

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

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

    In October 2007 Hitachi developed a Blu-ray prototype with a capacity of 100GB. Hitachi has stated that current Blu-ray drives would only require a few firmware updates in order to play the disc. [9] The first 50 GB dual-layer Blu-ray Disc release was the movie Click, which was released on October 10, 2006. As of July 2008, over 95% of Blu-ray ...

  5. Optical disc drive - Wikipedia

    en.wikipedia.org/wiki/Optical_disc_drive

    Compact disc drives are no longer manufactured outside of audio devices. Read-only DVD and Blu-ray drives are also manufactured, but are less commonly found in the consumer market and mainly limited to media devices such as game consoles and disc media players. Laptop computers used to come with built-in optical drives. Some laptop computers ...

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

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

    In optical storage, three types of storage are usually recognized, and given customary abbreviations: read-only ("ROM"), Write once ("R") and read/writable ("RW", or for Blu-ray, "E" for "erasable"). Examples: CD-ROM represents the CD format, in its pre-recorded "read only" use; DVD+R represents a DVD "+" disc which can be written once only

  7. HD DVD - Wikipedia

    en.wikipedia.org/wiki/HD_DVD

    Internal optical disc drive from LG playing both, HD DVD and Blu-ray disks In 2007, LG and Samsung released standalone consumer players that could read both HD DVD and Blu-ray Discs. [ a ] The machines were sold at premium prices, but failed to sell in large quantities.

  8. List of optical disc manufacturers - Wikipedia

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

    This list is not necessarily complete or up to date - if you see a manufacturer that should be here but is not (or one that should not be here but is), please update the page accordingly. This list only lists manufacturers - not brands. For example, many Maxell DVDs are made by Ritek or CMC magnetics.

  9. High Fidelity Pure Audio - Wikipedia

    en.wikipedia.org/wiki/High_Fidelity_Pure_Audio

    High Fidelity Pure Audio, occasionally abbreviated as HFPA, is a marketing initiative, spearheaded by Sony Music Universal Music Group, for audio-only Blu-ray optical discs. [2] Launched in 2013 [ 3 ] as a potential successor to the compact disc (CD), it has been compared with DVD-Audio and SACD , which had similar aims.