Mercurial > hg > smacpy
changeset 24:34b4b44299be
getMFCCs(): prevent issue with silence producing infinities
(cherry picked from commit 68e18c44dfdac06ca6967ce79ff7ae1806b4b0ee)
| author | Dan Stowell <danstowell@users.sourceforge.net> |
|---|---|
| date | Thu, 24 Oct 2013 08:37:00 +0100 |
| parents | 8319429b20da |
| children | d61638e45c34 |
| files | MFCC.py |
| diffstat | 1 files changed, 1 insertions(+), 1 deletions(-) [+] |
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--- a/MFCC.py Wed Feb 13 16:45:35 2013 +0000 +++ b/MFCC.py Thu Oct 24 08:37:00 2013 +0100 @@ -101,7 +101,7 @@ def getMFCCs(self,warpedSpectrum,cn=True): '''Compute MFCC coefficients from Mel warped magnitude spectrum.''' - mfccs=self.dct(numpy.log(warpedSpectrum)) + mfccs=self.dct(numpy.log(numpy.clip(warpedSpectrum, 1e-9, numpy.inf))) if cn is False : mfccs[0] = 0.0 return mfccs