What is "Blu-spec CD"?

These are starting to be released in Japan. What exactly are they and how do they differ from redbook in technology and sound?

rja11-13-2008 9:23pm

rja OP Details Discussions Posts This discussion Message User 2,356 posts 11-14-2008 at 02:40pm Copy Comment URL Report Comment Edit Delete Thanks all! I will check out the provided links.
rja OP Details Discussions Posts This discussion Message User 2,356 posts 11-14-2008 at 11:30pm Copy Comment URL Report Comment Edit Delete Might have to try Blu-spec CD "Kind of Blue" (no pun intended) being released in Japan 12/24/08. We'll see what's up with this!