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The DVD+RW Alliance is a group of electronic hardware, optical storage and software manufacturers who in 1997 created and promoted a format standard of recordable and rewritable DVDs, known as the "plus" format. [1] As of 2004, plus format DVDs were available in three forms: DVD+R, DVD+RW, and DVD+R DL.
The DVD+R format was developed by a coalition of corporations—now known as the DVD+RW Alliance—in mid-2002, stemming from a research project at Hewlett-Packard Laboratories (a.k.a. HP Labs) that originated in 1996.
Competing standards developed by the rival DVD+RW Alliance are for the "plus" formats (DVD+R, DVD+RW). Alliance leaders Philips, Sony and Thomson were also founding members of the DVD Forum, established in 1997.
DVD-RW represents a DVD "-" disc which can be read or written many times BD-RE represents a Blu-ray disc which can be read or written many times. In addition some of these media support MultiLevel Recording formats, for example dual layer (written as "DL"), and DVD also supports a "RAM" version (similar to RW), although this is not widely used ...
DVD+R DL (DL stands for Double Layer) also called DVD+R9, is a derivative of the DVD+R format created by the DVD+RW Alliance. Its use was first demonstrated in October 2003. DVD+R DL discs employ two recordable dye layers, each capable of storing nearly the 4.7 GB capacity of a single-layer disc, almost doubling the total disc capacity to 8.5 GB.
This list includes both CD, DVD and Blu-ray recordable and rewritable media manufacturers (like Ritek), and disc replicators (companies that replicate discs with pre-recorded content, like Sony DADC).
This aims to be a complete list of DVD manufacturers. This list may not be complete or up to date. If you see a manufacturer that should be here but isn't (or one that shouldn't be here but is), please update the page accordingly. This list is only a list of brand names for DVDs and not an actual manufacturers list.
There are also equivalent European Computer Manufacturers Association (Ecma) standards for some of these specifications, such as Ecma-267 for DVD-ROMs. [50] Also, the DVD+RW Alliance publishes competing recordable DVD specifications such as DVD+R, DVD+R DL, DVD+RW or DVD+RW DL. These DVD formats are also ISO standards. [51] [52] [53] [54]
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