diff --git a/ivas_processing_scripts/audiotools/audioarray.py b/ivas_processing_scripts/audiotools/audioarray.py
index 76c7d81d79e9bafbac19d5c664b368389b10ec20..c0909c4c2c09e4830426f9e4d7a265233a8d47d8 100755
--- a/ivas_processing_scripts/audiotools/audioarray.py
+++ b/ivas_processing_scripts/audiotools/audioarray.py
@@ -85,30 +85,30 @@ def trim(
         pre_trim = limits[0]
         post_trim = limits[1]
 
-    if pre_trim <= 0:
+    if pre_trim < 0:
         if pad_noise:
             # pad with uniformly distributed noise between -4 and 4
             np.random.seed(SEED_PADDING)
             noise = np.random.randint(
                 low=-4, high=5, size=(np.abs(pre_trim), np.shape(x)[1])
             ).astype("float")
-            x = np.concatenate((x, noise), axis=0)
+            x = np.concatenate((noise, x), axis=0)
         else:
             x = np.pad(x, [[np.abs(pre_trim), 0], [0, 0]])
-    else:
+    elif pre_trim > 0:
         x = x[pre_trim:, :]
 
-    if post_trim <= 0:
+    if post_trim < 0:
         if pad_noise:
             # pad with uniformly distributed noise between -4 and 4
             np.random.seed(SEED_PADDING)
             noise = np.random.randint(
                 low=-4, high=5, size=(np.abs(post_trim), np.shape(x)[1])
             ).astype("float")
-            x = np.concatenate((noise, x), axis=0)
+            x = np.concatenate((x, noise), axis=0)
         else:
             x = np.pad(x, [[0, np.abs(post_trim)], [0, 0]])
-    else:
+    elif post_trim > 0:
         x = x[:-post_trim, :]
 
     return x