 <p>If I'm not mistaken, scikit.audiolab is merely for reading/writing audio files but I think in addition you'll want to look at the signal processing libraries in scipy to actually build your feature vectors.</p> <p><a href="http://docs.scipy.org/doc/scipy/reference/signal.html" rel="nofollow">http://docs.scipy.org/doc/scipy/reference/signal.html</a></p>