by Brendan James
Patrick Feaster found a way to recover the audio of records that have perished using photographs of the discs:
To “hear” the vanished record, Feaster scanned the page into a computer, unwound the lines from their spiral, cleaned up any breaks, and ran the resulting image through software that converted the lines into audio files. (Feaster details the process in more technical terms, with accompanying screenshots, in this blog post.)
The Dish 