this post was submitted on 15 Jul 2024
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Digitizing is only lossy once*. Analog is lossy every time you copy it and degrades over time.
*Assuming you use a lossless digital format
Not just any time it's copied or generally over time, but each playback can degrade the quality. Record pins erode the channels, magnetic heads affect the strength of the magnetic field they read.
Reads, copies, and time don't (necessarily) degrade digital media, even with lossy compression (time can, but any time it's copied, it resets the clock to as good as the media can give; analog doesn't get that reset). Lossy compression only degrades it on conversion and there's a bunch of control over the shape of that degradation (with the intent of it not being detectable to our ears, though it obviously also depends on the bandwidth available).
That is an actual fair criticism. Well, part of it. All of our current digital media technology actually degrades over time faster than analog ones, but they're so easy to copy that it's not really a problem for things that people like to make copies of. It is a problem for archiving though. I wasn't trying to argue that digital has no advantages. Just that it's not magically better in every way.
But if you lose the information how to turn those bits into music, it is gone forever. That Edison cylinder is pretty easy to play compared to that opus or mp3 file you found from the grave 40000 years from now.