High-definition format, HD Movie Disc

Since a huge amount of high-definition video data transmission, so the need for new compression algorithm. Now the HD audio formats: DTS, Dolby Digital, Dolby TrueHD, LPCM, etc. Video formats, mainly: H.264, WMA-HD, MPEG2-TS, AVC, MPEG4 and VC-1 and so on. Which, H.264 format is currently the most popular. Therefore, in the purchase of high-definition disc player, or video card, they must find out whether the device supports H.264. Such as the Nvidia 8400G graphics card does not support H.264, the 8400GS is supported. ATI HD 2000 series from the beginning in addition to HD 2900XT graphics card than the full support of H.264 and VC-1 encoded HD movie hardware decode.

Conventional 480-line DVD-ROM provides quality can no longer meet our daily needs, and therefore the new standard, large-capacity optical disc format will emerge. They often hear that we are now the HD DVD and Blu-ray discs. But also because of new standards, the emergence of new specifications, making a single disc can store double the amount of data has been the growth style, making the HD DVD and Blu-ray discs can be up to 1080 lines (1080i and 1080p) video output specifications. Here let us simply to tell you about these two new specifications of high-definition disc-related parameters:

HD DVD
HD-DVD specifications of the main selling point is the HD-DVD and standard DVD to share part of the structural design, DVD manufacturers do not want to upgrade the specification, and then put large sums of money to update equipment. Blu-ray manufacturers have to produce a new specification, purchase new equipment. Currently, the Toshiba company announced that stopped production of HD DVD and related equipment, declared bankruptcy this standard.

Blu-ray Disc
Blu-ray Disc abbreviated as BD. Uses a new high-density physical format allows each capable of storing 23-27G of data, double the capacity of up to Blu-ray Disc 50G. Blu-ray technology can record 2 hours of digital high-definition video or more than 13 hours of standard TV broadcasts (VHS equivalent to VHS quality, data stream of about 3.8Mbps).

Blu-ray DVD and HD-DVD's fierce competition, eventually HD-DVD losing in the end, Blu-ray DVD to become the next generation DVD standard and high definition carrier.