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The NewScientist.com news service reports a significant breakthrough in the preservation of classic audio recordings captured on aging vinyl. Researchers at the Lawrence Berkeley National Laboratory in California have come up with a way to use highly sensitive optical instruments, originally designed to monitor subatomic particles, to clean up and restore old recordings without mechanical contact.
Read the article on the new high-tech, low-touch audio restoration technique and be sure to listen to the sample "before" and "after" clips of Leadbelly's 1950 recording of "Goodnight Irene."