Fix calculation of SNR value

pytorch · Mar 22, 2022 · 34e443e · 34e443e
1 parent 1c3403e
commit 34e443e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/examples/tutorials/audio_data_augmentation_tutorial.py b/examples/tutorials/audio_data_augmentation_tutorial.py
@@ -350,7 +350,7 @@ def get_noise_sample(*, resample=None):
 snr_dbs = [20, 10, 3]
 noisy_speeches = []
 for snr_db in snr_dbs:
-    snr = math.exp(snr_db / 10)
+    snr = 10 ** (snr_db / 20)
     scale = snr * noise_power / speech_power
     noisy_speeches.append((scale * speech + noise) / 2)