> Mark, Can you specify whether the --lowpass filtering options work when
> using -ogg.  I can't test it myself at the moment.
> 
> Thanks,
> Ross.
> 

They dont: the problem is that the filters are implemented
on the output of the MP3 filterbank, which of course is not
used by Vorbis.

The resampling code will work with --ogg, and it has a 
reasonably good 17 point FIR filter which could be adapted
to do lowpass filterings.  However, I seem to recall that
lowpass filtering was not recomended with Vorbis?

Mark


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