Blue Ray Discs: The Newest Intervention In Technological Sphere
Blue ray discs are the newest intervention in technological sphere. This latest optical disc system is a remarkable creation of the BDA (Blu Ray Disc Association) which consists of TDK, Thomson, Sharp, Pioneer, Philips, Mitsubishi, Sony, JVC, Panasonic, Samsung, Apple, Hitachi, LG, Dell and HP. The BDA boasts 180 of the world’s leading consumer electronics, media and personal computer manufacturers.
Just as the name denotes, the blue ray discs use a blue-violet laser to access data as against the existing technology of red laser. A blue-violet laser (405nm) has a far shorter wavelength than a red laser (650nm) making it feasible to focus the laser spot with superior precision. The advantage of this is that, it permits data to be stored in less space since the data can be packed more tightly, which further, allows consumers to fit additional data on the disc even though it may be the same size as a CD or a DVD.
Moreover, blue ray discs afford a comprehensive storage capability. A single-layer blue ray disc can store up to 27GB of data which is more than 2 hours of high-definition video and 13 hours of standard video. The double-layer blue ray disc could hold fifty GB of data which is 4.5 hours of HD video and normal video in excess of twenty hours.
Blue ray discs are the ideal expression of the last in consumer experience. It additionally permits the rewriting, recording, playing and distribution of HD videos. The blue ray discs have been founded on the bare disc physical form factor which makes it compatible with CDs and DVDs.
Blue ray discs are also light on the manufacturers since these are built by injection-molding process on a single 1.1-mm disc compared to the traditional which thereby reduces costs. This savings balances out the expenses of adding the protective layer required on blue ray discs which means that the end price cannot be very different from the price of a regular DVD.
Blue ray discs also boasts of an advanced data transfer rate of thirty-six Mbps over the present-day DVDs that do the data transferring @ ten Mbps. The meaning of this is that it takes just an hour and half to burn twenty-five GB of data onto a blue ray disc.
Originally, the existing conventional DVDs and compact discs were introduced with just read-only formats. The blue ray discs however, plan to provide a wide range of formats that include BD-ROM (read only), BD-R (recordable) and BD-RE (rewritable).
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