What does the BD version mean? BD version and DVD version which is good?

What does the BD version mean?

When you search for a movie, there will be a BD version, what does the BD version mean?

The BD is a high-definition version of the film, the film is very clear but the volume of data, accounting for dozens of G or even hundreds of g of capacity, only Blu-ray Disc can be installed, so this high-definition film is called the BD version.

BD is the abbreviation of blue disk, translated into Chinese is "Blu-ray Disc" meaning. The DVD's Laser head is now orange-red, the wavelength of the labthink is smaller, that is, the focus on the disc is smaller, so that more data can be stored on the same size of the disc, which is the basic principle of Blu-ray, a disc seems to be able to store 50G of content.

Blu-ray Disc is used to read the file on the disk with a blue laser. Because of the short wavelength of blue light, you can read compact discs with larger densities. So why is Blu-ray able to read and write more dense discs? It starts with lasers:

A laser used for reading and writing, is a very accurate light, accurate to the limit, is the light wavelength of the general, because the red wavelength of 700 nm, and blue light only 400 nm, so the blue laser can actually be more accurate, able to read and write a 200nm point, and by contrast, red laser can only read and write 350nm points, So the same CD, more points, the record of the information will be more naturally!

Blue-ray disk is a blue disc, is a DVD of the next generation of standards, the leader for Sony and Toshiba, Sony, Panasonic, Philips as the core, but also the Vanguard, Hitachi, Samsung, LG and other giants support. The storage principle is the Groove record way, uses the traditional groove to record, however through the more advanced tremors addressing realizes to the larger capacity storage and the data management, has already reached the shocking 100GB. Compared with traditional CD or DVD storage forms, BD disc obviously brings better reflectivity and storage density, which is the key to realize capacity breakthrough.

BD version and DVD version which is good?

Sharpness: Bd≥hd>dvd

BD and HD in the definition of roughly the same, but BD's technology is more advanced, so BD application has exceeded HD, now the market has been hard to see HD, HD market has been occupied by Bd. The so-called BD refers to the Blu-ray technology.

In principle BD and HD are more clear than the DVD, but the domestic so-called BD and HD are shrinking, real HD is at least 720P (1280x720 or above), BD is the original blue Plate 1080P (1920X1080) and the DVD is 640x480, Domestic film and television resources that BD or HD actually some even the definition of the DVD is not, so the format, first look at the resolution, the higher the resolution to turn out the clearer, if you do not know the resolution, the preferred BD version, and then HD, and finally the DVD version!

HD is high clear meaning, BD is a Blu-ray DVD, and the DVD is a normal version, from the definition, BD is the highest (capacity is also the largest), but its cost limits its development, although now very low, but the genuine disc still better dozens of to hundreds of pieces, This and more than 10 pieces of HD discs and DVDs obviously have no advantage (pirated), now there is a use of DVD package BD film, the effect is close to the BD disc, and the price is equivalent to the ordinary DVD, if you have this hobby can be considered, but to note that the play BD is best with dedicated BD machine, Otherwise the effect does not reach the requirements, in addition, the market has a kind of hd+bd machine, the price ranges from 1000 to 2000, is also a good choice, and can play HD and BD Two formats, if it is playing on the computer, it can only buy a Blu-ray drive, such as BenQ, ASUS and other related products

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