[vorbis-dev] Thought for the new year
Frank Klemm
pfk at fuchs.offl.uni-jena.de
Thu Dec 28 16:23:21 PST 2000
::
:: Man, you're using a lousy encoder! It should stabilize...
::
This is a rough extsimation for MP3. It's for those gays
who said there are no or little generation losses.
::
:: That must have been difficult to type.
::
It's as much difficult to type than C or C++ on a German keyboard.
:: What language is it? ;-)
::
D?
:: You can compensate for that (see MDCT_CORR in my latest Vorbis patch).
::
:: > enough so that on average 40% of the spectral coefficients are different
:: > from the previous pass. You are smearing the signal into the time and
:: > frequency domain. This is enough so you get different results in every pass.
::
:: So you _do_ agree that MDCT is a lousy transform for audio coding?
::
I think that the transform should work in a similar way than the
cochlea of the human ear. So for HQ codings I prefer a non equidistant
subband encoding.
--
Mit freundlichen Grüßen
Frank Klemm
eMail | pfk at uni-jena.de home: pfk at schnecke.offl.uni-jena.de
phone | +49 (3641) 64-2721 home: +49 (3641) 390545
sMail | R.-Breitscheid-Str. 43, 07747 Jena, Germany
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