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Originally Posted by Five
okay well it seems that since no blocks are visible shows 1, 3 and 5 have just been LPF'ed imo too heavily.
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Keep in mind that "no blocks" does not always mean that it's not lossy. Some lossy codecs exhibit little to no "blocking" but pretty much all of them use steep lowpass filters.
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Originally Posted by hunterrose35
If the person wishes to look at a Spectral Analysis of the WhoWeeds series, they will see that they are not MP3 sourced. FA's don't always give an accurate reading!
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Well spectral analysis pics have been presented and thanks to a very steep lowpass some of them "look lossy" to some extent as well.
Additionally, normal noise reduction would never introduce such a lowpass while preserving such an amount of noise in the lower frequency range, unless you explicitly exclude lower frequencies from processing and use it very heavy-handedly.
However if lowpass filtering was indeed part of the restauration (
) technique used on some of these files, it would explain the way some of the spectral analysis pictures above look.
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