this post was submitted on 25 Oct 2023
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Piracy: ꜱᴀɪʟ ᴛʜᴇ ʜɪɢʜ ꜱᴇᴀꜱ
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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.
I think Amazon does this, right?
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)
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.
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.
A stream copy with only a audio change is pretty cheap computation wise.