The war between DVD and HD-DVD
The war between DVD and HD-DVD
DVD is a high density optical disc. It stands for Digital Video Disk also known as Digital Versatile Disk. It is designed for data storage and video. In 1990, the HDVT began to enter the market for removable storage devices. In 1993, two groups of companies trying to make high-density optical storage standards. On one side there was Sony and Philips, and the other group was led by Toshiba, Time Warner, Hitachi and others. Sony started with the two programs for the implementation of the UDO (Ultra Density Optical) and DVR Blue.
The war between DVD and HD-DVD. The Digital Video Disk forum was disagreement as to whether ga with the most expensive Blue Rays or not. The Blue Ray disk is expensive and physically different from the digital video disc magnet. As it was in the beginning, it was also very difficult. To avoid a costly format war, the Blue Ray Disc Association and DVD Forum has begun to negotiate a compromise.
DVD and HD DVD storage varies. Later, a single layer capacity of 15 GB, dual layer 30 GB and 51 GB triple-layer disc. Former supports many file systems such as UDF, ISO and others. The HD DVD player is required to read the audio format AC3 Dolby Digital, Dolby Digital Plus and Dolby Digital EX and others. HighDef format supports a wide range of resolution of the video to play.
Compare with HD DVD player in terms of resolution will give a better idea. Usually, a standard 4.7GB disc supports a maximum resolution of 720×576. However, HighDefTV using the resolution of 720p.
The publisher wants to protect HighDef content, you can use the Advanced Access Content System (AACS). There is no region coding HighDef in the specification, which indicates that the securities in each country can be played on players from another country. In Europe and elsewhere, consumers have used several regional players to play DVDs purchased in or from the United States. HighDefs uses the format of the Interactive Content Initiative. HDI is based on web technologies like HTML, CSS and others.
The Hybrid HD Disc is a format for containing both HD DVD and the disc of the same film in the internal drive, and to facilitate the transition for the studios. Digital Video Disc replication companies with production facilities with only minor adjustments to change the HD disc format.
Microsoft supports both Digital Video Disc and HD disc. Xbox was with a DVD player. Xbox 360 HD Hard Disk included. The HD disk drive Microsoft Xbox 360 game console, the Xbox 360 the ability to play HD Disc movies. The Xbox 360 is an add-on HD Disc drive. It is used with a desktop or laptop PC with Windows XP or Windows Vista. The third player software can play HD Disc movies using the module on the drive. Thus, many buy the HD drive add-on drives for cheap PC because of price.
The major studios in North America and Universal Studios have backed the HD DVD high. The return of bands HD DVD format in the music industry. Both conventional DVD and HD-DVD have the same manufacturing process and protection. There are two types of hybrid formats, the standard DVD-Video for playback on standard DVD players.
