datahoarder
Who are we?
We are digital librarians. Among us are represented the various reasons to keep data -- legal requirements, competitive requirements, uncertainty of permanence of cloud services, distaste for transmitting your data externally (e.g. government or corporate espionage), cultural and familial archivists, internet collapse preppers, and people who do it themselves so they're sure it's done right. Everyone has their reasons for curating the data they have decided to keep (either forever or For A Damn Long Time). Along the way we have sought out like-minded individuals to exchange strategies, war stories, and cautionary tales of failures.
We are one. We are legion. And we're trying really hard not to forget.
-- 5-4-3-2-1-bang from this thread
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Offhand I think AV1 is supposed to be a bit better than H265, but I think the improvement would be pretty marginal. Also, that’s a newer codec with less support everywhere, so you might find yourself slowing down a lot doing live transcoding to a format with better support like H265 or H264, depending on your devices. Add in all the time transcoding your current files from H265 to AV1 and it might just be worth adding more storage space.