> The core of the PSP is the "Universal Media Device," a 60mm disc
> with 1.8GB capacity (about the same size as a minidisc, with three
> times greater capacity).=20
Oops! An audio minidisc stores about 160MB, so the new disc in the
PSP will store 11 times more, not three!=20
I'd guess that the new disc will use a version of Sony's "Blu-Ray"
laser system. Sony's partner, Philips, has demonstrated a 30mm "Blu-
Ray" optical disc with storage capacity of 1GB. The full size
120mm "Blu-Ray" disc will hold 27GB, making it a good candidate to
substitute for the 20 to 40GB hard drives now being incorporated into
high-end recorders (Nagra V, Deva V, HHB Portadrive, and so on).=20
This should satisfy recordists who prefer to archive the original
recording. Blu-Ray disc drives are for sale in Japan already, albeit
at astronomical prices.
--oryoki
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