10 questions about Blu-ray you’ll want the answers for
By
, USA TODAY
This was to be the season Blu-ray won our hearts — and it still may. But the economic downturn has thrown a tough new hurdle at the high-def disc. Blu-ray faces strapped consumers worried about investing in a new format, a new library and still-pricey players. But it's the best video source around, and if you have or plan to get a new HDTV, you may be considering Blu-ray, too. USA TODAY tech writer Mike Snider offers an FAQ.
Demystifying Blu-ray
Q: Why do they call it Blu-ray?
A: Because Blu-ray Disc players and PC drives, as well as Sony's PlayStation 3, use a blue laser beam to read data from discs, rather than the older red lasers used for DVDs. A blue laser can be focused more tightly, so disc makers can pack more data on a disc the same size as a DVD. Blu-ray Discs can hold up to 50 gigabytes, compared to a DVD, which holds less than 10 GB. That added capacity can hold video up to six times the resolution of DVD, plus more bonus features and improved surround soundtracks. read more...
Leave a comment