Don Capps followed up,
| Now, I am aware that converting an MP3 back into a .wav file produces a VERY
| large file similar in size, if not exactly the same size as the original
| .wav file. But I was under the impression that this was accomplished by use
| of an interpolative filter which essentially "guesses" how the file should
| look when reconstructed. Am I wrong about this?
No, but some of the filter's guesses are right. Even where they're wrong,
what ATRAC will lose will overlap considerably with the interpolations.
| Now, as to what degree of compression occurs when that file is then rencoded
| to MD, here I will have to confess complete ignorance. But I venture to say
| that at least SOME additional data is lost, thereby compromising fidelity
| that much further.
Yes, there is some small further loss with each generation of lossy encoding.
But the most damage is done by the first. You didn't say it, but a lot of
people have assumed that if you encode music into an MP3 that keeps only 1/12
of the data and then record the MP3 to an MD that keeps 1/5, you'll have only
1/60 of the original data remaining. And I'm saying that the degradation
from each additional generation is very slight and not nearly the horror one
would expect by multiplaying ratios.
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