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@obsoletesony @jwz What I'd really like is something similar, but which uses an optical scanner. It rotates the record, images the physical groove, and extracts the waveforms for both stereo channels. Then converts those, with corrections for warping and damage, to a full-fidelity audio file.

If it could do that in real time, it would be awesome. And modern computers are so fast, especially with some DSP magic, that it should be possible.

As a bonus, save the optical scan for archival use.