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Topic: Q: About reencoding MP3 CBR320... (Read 3246 times) previous topic - next topic
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Q: About reencoding MP3 CBR320...

Hi all.
I have several MP3 files coded with LAME 3.92 at CBR 320.

Due space problem i'm thinking to reencode then to VBR,
--alt-preset standard for example...

The question:
There is a loose of quality perceptible form encode the WAV
files directly....?

Thanks a lot for your help.
b:.

Q: About reencoding MP3 CBR320...

Reply #1 –
Yes. There likely won't be much quality loss, but there will be some, and it might be noticeable in some parts.

Q: About reencoding MP3 CBR320...

Reply #2 –
Any hints on how to reencode minimizing quality loss?

Btw.. did anyone ever ABX this noticeable quality loss?
Because, if there is kind of consensus that no one can tell a .wav from a 320CBR, how come they can tell a wav->aps from a 320CBR->aps ?

PS: Just to avoid serious flaming, I'm aware that, in some very very rare situations it is possible to pick a difference between a wav and a 320 CBR. I'm also aware that there are samples, some taken from actual musics, that clearly shows the difference in perceived audio quality between a 320 CBR and a wav. But, as far as I could read and learn here, except from this very seldom passages in very rare musics, 99.99% the times its impossible to tell a wav from a 320 CBR.
 

Q: About reencoding MP3 CBR320...

Reply #3 –
Quote
Because, if there is kind of consensus that no one can tell a .wav from a 320CBR, how come they can tell a wav->aps from a 320CBR->aps ?

Because the 320CBR->aps has double the distortion than the wav->aps or wav->CBR320