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How to pick a stylus to play a 78-rpm record
(www.vjm.biz)
This is a most excellent place for technology news and articles.
I always thought it would be neat to use a laser or high resolution scanner to image a record have a computer analyze it and convert the images to audio. Not sure if this has been done, but if not it would be cool to figure out.
It has been done! https://ofersp.github.io/digital_needle/
Nice!