From 0c2e564c15c583a5274271a0bbacb237b180d500 Mon Sep 17 00:00:00 2001
From: Jamie Bullock <jamie@postlude.co.uk>
Date: Thu, 27 Dec 2007 20:37:15 +0000
Subject: Added l-norm/spectral flux

---
 xtract/libxtract.h | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'xtract/libxtract.h')

diff --git a/xtract/libxtract.h b/xtract/libxtract.h
index 4b948f1..b540c6a 100644
--- a/xtract/libxtract.h
+++ b/xtract/libxtract.h
@@ -67,7 +67,7 @@ extern "C" {
   * @{
   */
 
-#define XTRACT_FEATURES 56
+#define XTRACT_FEATURES 57
     
 /** \brief Enumeration of features, elements are used as indixes to an array of pointers to feature extracton functions */
 enum xtract_features_ {
@@ -111,10 +111,11 @@ enum xtract_features_ {
     XTRACT_HPS,
     XTRACT_F0,
     XTRACT_FAILSAFE_F0,
+    XTRACT_LNORM,
     XTRACT_FLUX,
     XTRACT_ATTACK_TIME,
     XTRACT_DECAY_TIME,
-    XTRACT_DELTA_FEATURE,
+    XTRACT_DIFFERENCE_VECTOR,
     XTRACT_AUTOCORRELATION,
     XTRACT_AMDF,
     XTRACT_ASDF,
@@ -148,6 +149,11 @@ enum xtract_mfcc_types_ {
     XTRACT_EQUAL_AREA
 };
 
+enum xtract_lnorm_filter_types_ {
+    XTRACT_POSITIVE_SLOPE,
+    XTRACT_NEGATIVE_SLOPE
+};
+
 /** \brief Enumeration of return codes */
 enum xtract_return_codes_ {
     XTRACT_SUCCESS,
-- 
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