Sony's Product Strategy Manager for Home Video Marketing, Taka Miyama, said during an interview that Blu-ray can't be improved. He claims Blu-ray is the final format for optical discs and lasers because they don't have a shorter laser.
“Blu-Ray is the final format for the optical disc. We don’t have a shorter laser. In the future, if we have a physical media format, it will change physically. It won’t look like an optical disc. I don’t know what sort of technology we will have in the future,” he said, “but while using lasers and optical discs, this is the final format,” said Taka Miyama, Sony’s product strategy manager for home video marketing in Europe, reports Electricpig web-site.
Currently Blu-ray disc offers more than enough capacity for modern movies: up to 50GB of information on a single optical disc allows studios to record both high-definition movie in 1920x1080 resolution as well as additional content on a single medium. But consumers and content creators may want to add something new even to Blu-ray: more interactive features or even stereoscopic 3D, which will require more storage space. Moreover, some companies already experiment with so-called Super Hi-Vision video technology, which enables up to 7680x4320 resolution and requires a lot of storage space due to extremely high bit-rate: 180Mb/s – 600Mb/s (22.5MB/s – 75MB/s), up from 40Mb/s on Blu-ray.