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Blu-ray vs HD-DVD – The Information You Need Regarding The Formats » Submit Content Online | Free Article Directory | Add Articles Tweet
The current aim of blu-ray and HD-DVD is to get as much public help swiftly as ultimately it will be the customer who will decide which format comes out number one. With the unification talks failing it is up to you to create the choice which format to consider. To help you with this tough choice may be the lowdown on precisely how each format matches below.


History


The blu-ray format’s head corporations are Sony and also Philips with Toshiba as well as Hitachi going up the HD-DVD format. This situation isn’t the 1st instance when these sides have gone at each other with opposing formats. The DVD format was born with the co-operation on the Multimedia Compact Disc from SonyPhilips (MMCD) and the Super Density Disc (SD) from Toshiba. Nevertheless it ended nicely for the customer with the DVD format being widely adopted and also turning into the modern standard Air Force 1 , it turned out to be Toshiba’s camp who came out number one when it comes to royalties.


This led for the work on brand new formats by each sides with Sony aiming to get back some of its lost market. The 2 projects though were in production but not really going anywhere at the moment. Sony’s Professional Disc for Data (PDD) became the blu-ray format while Toshiba’s Advanced Optical Disc starting to be HD-DVD. This leads us back to the original scenario where there are two competing formats with a unification looking a lot less likely.


Technical


Both equally blu-ray and also HD-DVD use a wavelength of 405nm however the smaller track pitch on blu-ray (see Blu-ray Disc) enables additional facts to become squeezed on and also provides the larger capacity. However it could be the varying track pitch that makes these two formats incompatible. The surface layer with the two is various also as HD-DVD uses a .6mm layer similar to DVD while blu-ray uses a .1mm clear plastic layer.


This variation may be the primary reason prices are greater with blu-ray. Pricey production methods are needed to become able to make the discs and also a hard coating must be applied to create the discs suitably resilient to dust and fingerprints.


Capacity


Blu-ray right now provides discs in 25gb for single layer and 50gb for dual layer. On the other hand TDK has began work on a 200gb disc that is 6x33gb layers.


HD-DVD is available in 15gb for the single layer as well as 30gb to the dual layer. Best tests so far have attained 45gb although 60gb could be the