::
:: ISO spec says the maximum should be 8191. But as part of huffman
:: decoding, you sometimes add 15 to the result, yielding values as large
:: as 8206. Right now, LAME (and the ISO dist10 code) will make use of
:: the full range: values up to 8206.
::
:: The question is, should
Great! Just one thing - does the fact big_values
is limited to 8192 now mean a loss of quality?
Imposing a maximum value of 8191 is a completely unneeded restriction
which results in a (very tiny) loss of quality.
I don't get this, since apparantly, it is a needed
restriction. Or is it
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Hmmm, nah I don't think it should. If even the ISO source uses 8206, why
change it when the Nitrane bug has already been fixed by Nullsoft? Also, how
come only Nitrane is triggered by this setting? All other decoders work
fine. It would seem like it, that using a value of 8191 is more of a
Naoki IIRC, bug of winamp is also triggered by FhG encoded mp3 file.
This means that nitrane has more than one bug.
So, changing IXMAX_VAL to 8191 doesn't solve all problems.
I think we should investigate what FhG encoder does, and make lame do
what FhG does.
--
Naoki Shibata e-mail:
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Mark
Should we change IXMAX_VAL to 8191?
pros:
1. as Rob points out, less false syncwords in the bitstream.
(8206 is encoded as 0x1FFF).
2. LAME produced mp3's will no longer trigger Winamp bug.
cons:
1. Winamp may not bother to fix their decoder
2. Tiny loss in quality just to pander to
For decoder enthusiasts: 100hz bug fixed versions of Nitrane and their
upcoming Nitrane replacement are available at:
http://www.sulaco.org/mp3/winamp/winamp.html
Nullsoft sent me these .zip files, but I haven't tested them
yet. They are probably also available somewhere on www.winamp.com.
