There are a variety of different formats available for optical digital media storage today. There is the CD-ROM, HD-DVD, DVD-R’s and HD-DVD-RW formats that are available. It can be a bit confusing, so you will want to know what the differences are between the different formats.
The specifications for digital optical media formats are set by working groups. These working groups are made up of various engineers that represent manufacturers that are planning to build and sell their hardware. Usually every manufacturer has their own technology developed as well that they want to include. When they make sure that the technology that is preferred is in their specification, every device that is sold earns them a royalty payment. Since these devices sell millions each year, the royalties paid can add up to a great deal of money.
Often there end up being format wars, since everyone wants to earn big money. One example of this is the format wars that occurred with BetaMax and VHD when the video cassette recorded emerged. Now days there is only one type of media that never had a format war, and that is the CD-ROM. Sony was able to hammer down most of the patents to the...
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