1 files changed, 7 insertions, 0 deletions
diff --git a/xtract/libxtract.h b/xtract/libxtract.h
index 2fad148..44b3828 100644
--- a/xtract/libxtract.h
+++ b/xtract/libxtract.h
@@ -130,6 +130,7 @@ enum xtract_features_ {
     XTRACT_HARMONIC_SPECTRUM,
     XTRACT_LPC,
     XTRACT_LPCC,
+    XTRACT_SUBBANDS,
     /* Helper functions */
     XTRACT_WINDOWED
 };
@@ -179,6 +180,12 @@ enum xtract_spectrum_ {
     XTRACT_LOG_POWER_SPECTRUM
 };
 
+/** \brief Subband scales */
+enum xtract_subband_scales_ {
+    XTRACT_OCTAVE_SUBBANDS,
+    XTRACT_LINEAR_SUBBANDS
+};
+
 /** \brief Enumeration of data types*/
 typedef enum type_ {
     XTRACT_FLOAT,