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Submission + - Linux RAID5 vs. Solaris ZFS Performance Comparison (prestonlee.com)

Submitted by

ConMotto

on Wednesday July 18, 2007 @02:15PM

ConMotto writes: "I recently migrated a RAID5 (software) Linux fileserver PC to OpenSolaris so I can run ZFS: a hot new way of doing software RAID for Solaris. Read on for a performance comparison of OpenSolaris ZFS and Linux RAID5 on COTS parts."

Submission + - IRENE Makes Old Sound Recordings Audible Again

Submitted by

orgelspieler

on Wednesday July 18, 2007 @01:55PM

orgelspieler writes: "NPR is running a story on a safe way to reproduce sound from ancient phonographs that would otherwise be unplayable. The system, called IRENE, was installed in the Library of Congress last year. It can be used to replay records that are scratched, worn, broken, or just too fragile to play with a needle. It scans the groves optically and processes them into a sound file at speeds approaching real time. IRENE is great at removing pops and skips, but can add some hiss. Researchers are also working on a 3D model that is better at removing hiss."

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