[vorbis-dev] audio analysis tool?

[Eric Seppanen]

I'm curious, does anyone know of a way to analyze a wave file to determine 
the quantity of information in it?  For example, given a particular .wav 
file, how can I find out if it's an original or was encoded to something 
lossy and back?

Is there a way to get the vorbis encoder to spit out some data on how much 
useful information it discovers in an input?  Surely the encoder might 
notice if there's so little information in an input that it can encode it 
more-or-less losslessly...?
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