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The Great 78 Project over at the Internet Archive has been professionally digitizing old 78 RPM records for a while now. These records were all made between 1898 and sometime in the 1950s. Over 20 collections have been selected for digital access and physical preservation with the help of George Blood, L.P. and the Archive of Contemporary Music. So far about 26,000 of the 78s have been added to the Internet Archive. Each disc has about 3 minutes of audio per side. Most of the discs are made from shellac and really quite brittle, perhaps even more brittle than today's digital formats.
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even any property taxes."
-- J. MacKay, Mathematics 134b
(Score: 3, Interesting) by drussell on Monday August 14 2017, @03:44PM (2 children)
Not even close! Sure, you can get the sound off the record using optical scanning (and in some cases it even sounds fairly good) but it is nowhere even close to "perfectly reproducing" the audio!
Something tells me you have no idea what you're talking about, as far as sound quality goes. Have you ever even heard the audio output from an optically scanned record of any type?
(Score: 2) by ledow on Monday August 14 2017, @05:52PM
You mean it'll be worse than this:
https://t.co/QM4hc0rVCf [t.co]
(One of Project78's examples).
(Score: 2) by Zyx Abacab on Monday August 14 2017, @11:03PM
A laser turntable would probably be the right solution. (Though that's probably not what the grandparent was talking about.)
This sort of optical system would be ideal for archiving the records, at high fidelity, without introducing further wear.