[vorbis-dev] audio analysis tool?

[Segher Boessenkool]

Eric Seppanen wrote:
> 
> 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?

Just look at a spectrogram.  Big empty regions at the high frequencies
==> lossy.  Lots of other features, too (it's not very hard to see which
codec you're looking at).

<p>Segher
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