blu ray.
Blu-ray is so named because it uses blue-violet lasers to read a disc, rather than the red lasers used by traditional DVD formats. Due to the shorter wavelength used in the blue laser, you can focus the laser more precisely and therefore more data can be packed into a smaller space. Therefore, much more data can be stored on a Blu-ray Disc than on a traditional DVD: more than five times the amount when using a single-layer Blu-ray Disc compared to a traditional DVD, or six times the amount of data when using a DVD. dual-layer disc in comparison. When using high-definition (HD) video, about nine hours can be stored on a 50 GB blue-ray disc (double layer), about 23 hours for standard definition (SD). HD video basically means more details in the image compared to SD. Most blu-ray players are backward compatible – you can play all your old DVDs and CDs on a new blu-ray player.
Blu-ray is expected to revolutionize the market, with more CDs and DVDs available in blu-ray format than its competitor, HD-DVD.
HD-DVD.
HD-DVD also uses blue lasers and has a single layer capacity of 15 GB and a double layer capacity of 30 GB. The new HD-DVD players are also backward compatible, so people can play all their old DVDs and CDs on a new HD-DVD player and not have to update their existing library.
Betamax against VHS again?
Having said all that, there is still a bit more support today for blu-ray formats (although HD-DVD does have some major heavyweights: Toshiba, LG, Hitachi, TEAC, Kenwood, Fujitsu, Sanyo, HP, NEC, Canon, Ricoh, Maxell, Acer, Lenovo, and Imation are among the hardware vendors, and software backers include Universal Paramount, Studio Canal, Warner, Weinstein Company, Dreamworks, and New Line). Many other major Hollywood studios support blu-ray, and not many labels choose to release in both formats. Sony released their PS3 in blu-ray format (and Microsoft later released an additional HD-DVD for their Xbox 360), and many other major electronics companies also support blu-ray with hardware (for example, Apple, Dell, Hewlett Packard, Hitachi , LG Electronics, Mitsubishi Electric, Panasonic (Matsushita Electric), Pioneer, Philips, Sharp, Sony and TDK). In fact, blu-ray players currently outsell HD-DVD and have a wider selection of movies, although blu-ray discs were previously only released in 15GB format, while HD-DVD generally released the yours in a 30 GB format. .
However, there are companies that support HD-DVD, due to its lower cost of production. Players are cheaper, making them more accessible to the average person who wants to watch a movie, although there aren’t too many movies to choose from right now. This may be why the $72 billion a year global porn industry is choosing the HD-DVD route. Even so, blu-ray still has the hardware and software support to come out on top. Meanwhile, it seems people aren’t buying either; perhaps this could be overcome if both sides agreed to release dual format hardware, in an affordable machine that is easy to use.
In short, it is too early to know who will win the war. But don’t sell your old DVD or VHS collections just yet. Neither camp is 100% affordable or accessible, and the work continues.