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UMD offers large capacity and the capability to store quality audio/video content; however, the format's proprietary nature, the lack of writers and accompanying blank media, made adoption difficult. The UMD format never saw implementation on any device other than the PlayStation Portable , and as a result the market was very limited compared ...
The DVD specifications created and updated by the DVD Forum are published as so-called DVD Books (e.g. DVD-ROM Book, DVD-Audio Book, DVD-Video Book, DVD-R Book, DVD-RW Book, DVD-RAM Book, DVD-AR (Audio Recording) Book, DVD-VR (Video Recording) Book, etc.). [1] [2] [3] DVD discs are made up of two discs; normally one is blank, and the other ...
Archival Disc (AD) is the trademarked name of a discontinued optical disc storage medium designed by Sony and Panasonic for long-term digital storage. First announced on 10 March 2014 and introduced in the second quarter of 2015, the discs were intended to withstand changes in temperature and humidity, in addition to dust and water, ensuring that the disc would be readable for at least 50 ...
Sony Digital Audio Disc Corporation (Sony DADC) is a manufacturer of CDs, DVDs, UMDs, and Blu-ray Discs.The company has many plants worldwide. Although it primarily services Sony Music Entertainment-owned record labels, Sony Pictures Home Entertainment, and Sony Interactive Entertainment, it also manufactures discs for other labels, home entertainment distributors, and video game publishers.
Rewriteable media such as DVD-RW and CD-RW have fewer limitations than DVD-R and CD-R media. Sectors can be rewritten at random (though in packets at a time). These media can be erased entirely at any time, making the disc blank again, ready for writing a new UDF or other file system (e.g., ISO 9660 or CD Audio) to it.
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Initially, Sony believed that it would take around a decade for CD-R prices to become affordable – the cost of a typical blank CD-R disc was around $12 in 1994 – but CD-R prices fell much more rapidly than envisioned, to the point where CD-R blanks sank below $1 per disc by the late 1990s, compared to at least $2 for the cheapest 80-minute ...
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 supplanted by the high-definition Blu-ray Disc; both receive competition as delivery methods by streaming services such as Netflix and Disney+.