Allow hop_len > win_len

OverLordGoldDragon · Apr 15, 2021 · 785a115 · 785a115
1 parent f5bf385
commit 785a115
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/ssqueezepy/_stft.py b/ssqueezepy/_stft.py
@@ -278,7 +278,8 @@ def get_window(window, win_len, n_fft=None, derivative=False, dtype=None):
 
 def _check_NOLA(window, hop_len):
     """https://gauss256.github.io/blog/cola.html"""
-    if (hop_len > len(window) or
-            not sig.check_NOLA(window, len(window), len(window) - hop_len)):
-        WARN("`window` fails Non-zero Overlap Add (NOLA) criterion; STFT "
-             "not invertible")
+    if hop_len > len(window):
+        WARN("`hop_len > len(window)`; STFT not invertible")
+    elif not sig.check_NOLA(window, len(window), len(window) - hop_len):
+        WARN("`window` fails Non-zero Overlap Add (NOLA) criterion; "
+             "STFT not invertible")