diff scripts/load_features.py @ 34:115774aff442 branch-tests

music bounds not centered but aligned with start of segment to match the way features are computed

--- a/scripts/load_features.py	Wed Sep 13 20:04:09 2017 +0100
+++ b/scripts/load_features.py	Thu Sep 14 10:16:59 2017 +0100
@@ -76,13 +76,16 @@
             # all segments are speech
             return music_idx
         else:
-            half_win_hop = int(round(0.5 * self.win2 / float(self.hop2)))
+            win2_frames = np.int(np.round(self.win2sec * self.framessr2))
+            #half_win_hop = int(round(0.5 * self.win2 / float(self.hop2)))
             music_bounds = np.where(bounds[:, 2] == 'm')[0]
             bounds_in_frames = np.round(np.array(bounds[:, 0], dtype=float) * sr)
-            duration_in_frames = np.round(np.array(bounds[:, 1], dtype=float) * sr)
+            duration_in_frames = np.ceil(np.array(bounds[:, 1], dtype=float) * sr)
             for music_bound in music_bounds:
-                lower_bound = np.max([0, bounds_in_frames[music_bound] - half_win_hop])
-                upper_bound = bounds_in_frames[music_bound] + duration_in_frames[music_bound] - half_win_hop
+                #lower_bound = np.max([0, bounds_in_frames[music_bound] - half_win_hop])
+                #upper_bound = bounds_in_frames[music_bound] + duration_in_frames[music_bound] - half_win_hop
+                lower_bound = bounds_in_frames[music_bound]
+                upper_bound = bounds_in_frames[music_bound] + duration_in_frames[music_bound] - win2_frames
                 music_idx.append(np.arange(lower_bound, upper_bound, dtype=int))
             if len(music_idx)>0:
                 music_idx = np.sort(np.concatenate(music_idx))  # it should be sorted, but just in case segments overlap -- remove duplicates if segments overlap