11. THE TECHNOLOGY So, in blu-ray disc: Pit size – 0.15 microns ( more than twice as small as the pits on DVD ) Track-pitch is : 0.32 microns Laser needed : blue-violet laser (405 nm) Data transfer rate : 36 Mbps
28. Access to web to download subtitles and other extra features
29.
30. Shorter to travel for same amount of data results in faster data seek
31.
32. On GAURD Blu-ray discs are better armed than current DVD’s. They come equipped with a secure encryption system– a unique ID that protects against video piracy and copyright infringement.