Blu-Ray, which is also known as Blu-ray Disk (BD), is the name of the optical format of the new generation of discs and has been marketed by thirteen major computer companies.
This format is marketed for the purpose of storing, rewriting and replaying high definition television (HDTV) data. Using Blu-ray Disk, you can store more than two hours of HDTV format or thirteen hours of SDTV format on a 27 GB disk. Also, disks with a capacity of 54 GB will be released soon.
Optical discs available in the market such as DVD+RW/-RW, DVD-RAM, DVD+R/-R use red laser technology to write and read information, while the new format uses a blue laser and for this reason They are known as Blu-ray.
The advantage of using the blue laser is its 405 nm wavelength, which is shorter than the red laser (650 nm) and the resolution of the laser beam will be more accurate, as a result, the information stored on the disk occupies a smaller volume and the capacity of the disk increase. Another advantage of Blu-ray is its compatibility with red laser technology.
As HDTV becomes more ubiquitous, consumer market demand for HDTV storage applications will increase. Blu-ray was designed with this point in mind to transfer information directly in the MPEG-2 TS format. This format is used in the digital broadcasting of television programs and has the latest digital television standards. MPEG-2 TS format data transfer makes it possible to transfer broadcast TV programs in HDTV format directly to disc without any editing or quality reduction. Since the amount of data required by HDTV is large, the data transfer speed with Blu-ray is equivalent to 36 megabytes per second (36Mbps).
With this speed, the quality of the transferred images is well maintained. In addition, by using the random access features of optical disc information, it is possible to simultaneously view video images stored on the disc and save other images on the disc in high quality. With the introduction of this technology to the market, it is expected that Blu-ray will soon replace VCRs and DVD technology and become the standard for storing information and high-quality video images in personal computers.
Storage that uses Blu-ray:
HP, Zenith, Sony, Sharp, Samsung, Pioneer, Philips, Panasonic, LG, JVC, Hitachi
Blu-ray media includes:
TDK, Sony, Samsung, Panasonic, Mitsubishi, Maxell, JVC, Fujifilm, HP
