fixed numtaps to be odd

xiph · Sep 13, 2024 · 45e92da · 45e92da
1 parent 138cd42
commit 45e92da
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/dnn/torch/osce/bwe_preproc.py b/dnn/torch/osce/bwe_preproc.py
@@ -81,7 +81,7 @@ def random_resamp16(x, fs=48000):
     assert fs == 48000 and "only supporting 48kHz input sampling rate for now"
 
     cutoff = 800 * np.random.rand(1) + 7200 # cutoff between 7.2 and 8 kHz
-    numtaps = np.random.randint(151, 301)
+    numtaps = 2 * np.random.randint(75, 150) + 1
     a = signal.firwin(numtaps, cutoff, fs=fs)
 
     x16 = np.convolve(x, a, mode='same')[::3]