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Should I be concerned before I share a video I downloaded from a site I needed to log in to with a username and password? Does the file I have include data that references my account? If so is there away to remove it before I share it?

Signed I am tired of feeling like I don't contribute to the community.

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[-] navigatron@beehaw.org 7 points 1 year ago
  1. Yes, because:
  2. It could
  3. And if it does, you probably can’t remove it

Streaming sites can embed an unhearable data stream into audio signal. It’s possible

That being said, it’s extremely improbable, given the costs to do it at scale.

If you’re part of a large company’s beta program and have access to some unreleased product, maybe worry.

If you grabbed a file from some mega host updown whatever site, don’t worry.

And if you’re still worried, take a sha256 hash and put it into google search. If you get any results that even mention your file’s title, then you’re good.

[-] abbadon420@lemm.ee 2 points 1 year ago

Can't you convert to to some lossy format?. Mp3 compresses files by erasing all audio channels outside (or on the edge of) human hearing range, maybe there's some format that does the same in video? (I was thinking of mp4, but mp4 is lossless)

[-] navigatron@beehaw.org 5 points 1 year ago

Spread-spectrum audio watermarks will survive multiple re-encodings and are extremely difficult to detect.

Iirc google widevine will embed a device code, and if a pirated copy of some content is found, they will blacklist the gpu’s device code so it can’t receive 4k content anymore. That’s video, but it’s the same idea.

[-] n7gifmdn@lemmy.ca 1 points 1 year ago

I don't understand how anyone can choose to watch 4K. maybe I'm just so cheap I tell myself I can not tell the difference, but anything higher than 480P just feels like overkill to sell more bandwidth and overpriced hardware.

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this post was submitted on 25 Oct 2023
63 points (98.5% liked)

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