[vorbis] yet another stereo related question

Moritz Grimm gtgbr at gmx.net
Tue Aug 14 04:20:42 PDT 2001



Hi!

>From http://www.vorbis.com/stereo.psp : "Oggenc's default choice varies
by bitrate and each mode is selectable by the user"

So, how am I supposed to do that? E.g. what do I have to do when I want
an 128kbps .OGG using lossless stereo, or does this "selectable by the
user" mean only that I can choose the stereo mode indirectly by choosing
an appropriate bitrate?

An option like that would be pretty nice, because this way I could test
whether I am able to hear and learn more about fidelity degrations made
by the lossy stereo modes by comparing them to each other and the
lossless mode. I doubt that I will be able to distinct between the
'regular' degration and stereo-only problems, which is why I don't want
to make comparisons with the original .WAVs at this point. (This would
lead to a general quality test, but unless I can make a test that would
be scientifically correct I'll leave that to others ... :) )

Then, Monty mentioned a seperate tool that would allow to add the
lossless stereo mode to existing .OGGs without having to reencode. Does
this tool exist already (somewhere in CVS maybe)?

TIA,

Moritz

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