this post was submitted on 15 Dec 2024
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Confidently Incorrect

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When people are way too smug about their wrong answer.

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[–] [email protected] 128 points 6 days ago (65 children)

lol. They can’t hear the difference even with the most expensive equipment. The resultant signal from decompressing a FLAC phase cancels with the original signal if you invert it. Meaning they are indeed 100% identical. Lossless, dare I say.

Literally all it does as a file format is merge data that is identical in the left and right channel, so as not to store that information twice. You can see this for yourself by trying to compress tracks that have totally different/identical L and R channels, and seeing how much they compress if at all

[–] [email protected] 6 points 6 days ago (24 children)

do you know if anyone has tried this with a flac and an mp3 file? Theoretically all that should be left is the "loss" right? what would that sound like?

eta: I'd try myself but I'm not an audiophile and wouldn't even know where to get a flac file (legally) and doubt my crappy $20 in ears would be capable of playing it back if I did

[–] [email protected] 11 points 6 days ago (1 children)

Not a FLAC, but I tried it on this video by reencoding to an mp3 at 320 kbps, then subtracting the original, amplified it a bit, and got this. The song is definitely recognizable, but heavily distorted.

[–] sangriaferret 9 points 6 days ago

The end result sounds awesome. I would totally listen to that on its own.

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