comparison src/libxtract.c @ 244:8c768f32a6a8

Add new helper function xtract_smoothed(), e.g. can be used to extract smoothed spectrum

     xtract_harmonic_spectrum,
     xtract_lpc,
     xtract_lpcc,
     xtract_subbands,
     /* xtract_helper.h */
-    xtract_windowed
+    xtract_windowed,
+    xtract_smoothed
 };