Blu-ray and HD-DVD
The current aim of blu-ray and HD-DVD is up to you to make the decision of which format to adopt. To help you with this tough decision is the lowdown on how each below. The blu-ray eration of the Multimedia Compact Disc from Sony/Philips (MMCD) and the Super Density who camethe original situation where there are two competing formats with a unification looking a lot less likely. This difference is the main reason why costs are higher with blu-ray. Costly production methods are needed to be able to make the discs and a hard coating must be applied to make the discs suitably resilient to dust and fingerprints.
Blu-ray currently 30gb for the dual layer. Best tests so far have achieved 45gb but 60gb is the theoretical limit. This shows that the maximum for HD more than what blu-ray can the same codecs to play video as they are both and high-definition. This means that MPEG-2, Microsoft Video Codec 1 H.264 / MPEG-4 AVC are all formats. Both blu-ray and HD-DVD have to make use of HDCP encrypted output and the Advanced Access Content System (AACS). Both HDCP and AACS are mandatory with HD video. Blu-ray also incorporates technology and BD dynamic crypto which generates special keys for batches of discs. Both formats are heavily supported in both the Consumer Electronics (CE) and Information Technology (IT) industries.
