Blue-Ray360

DVD-R is a type of DVD disk that enables you to write onto it in multiple sessions. One of the problems with DVD-R disks is that you can only write to them once. With DVD-RW drives and disks, you can treat the optical disk just like a floppy or hard disk, writing data onto it multiple times. The first DVD-RW drives became available in mid-1997. The method of producing DVDs uses a desktop recorder to place a pre-mastered image on a disc that has a polymer dye layer, by a laser to burn the data into the dye. Recorders are available that work at single speed 2x, 4x and 6x. 2x drives are the most common, requiring 39 minutes for a full 650MB disc.

A DVD-R system allows desktop recording of compact discs by a DVD recorder attached a notebook. You can make the four basic formats–DVD-ROM (compact disc read-only memory); DVD-ROM/XA (DVD-ROM extended architecture); DVD-I (compact disc-interactive) and DVD-A (DVD-audio)-although the last two are more consumer-orientated, DVD-A being like the music DVD you would use at home and DVD-I being for videos by a tv and a DVD-I player. DVD-I can also be used in training and at information points such as in museums or record shops.

Information about Design of DVD-R

The color of the Watershield DVD disc is related to the color of the specific dye that was used in the recording layer. This base dye color is modified when the reflective coating (gold or silver) is added. Some of the dye-reflective coating combinations appear green, some appear blue and others appear yellow. For example, gold/green discs bring together a gold reflective layer with a cyan-painted dye, ensuing in a gold appearance on the mark side and a green appearance on the writing side. Taiyo Yuden produced the original cyanine dye-based gold/green DVDs, which were used all through the development of the Orange Book standard. DVD discs are written from the inside of the disc outward. The spiral track makes 22,188 revolutions around the DVD, with roughly 600 track revolutions per millimetre.

Instead of mechanically pressing a DVD with indentations, a DVD-R writes data to a disc by by its laser to physically burn pits into the organic dye. When heated beyond a vital temperature, the area “burned” becomes opaque through a chemical reaction to the heat and subsequently reflects less light than areas that have not been heated by the laser.

Information mutual about the DVD-R concept in above lines certainly going to enhance knowledge base of perspective customers across the globe and allow them to innovate with the concept to generate the best.

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Tags: disc, blu-ray disc, playstation, blue-ray 360, blu-ray, , xbox 360, HD DVD, sony playstation, blue-ray

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