Merge pull request #421 from yairl/master

Perform in-place resampling during read_audio.

utils_vad.py

@@ -122,6 +122,14 @@ class Validator():
 def read_audio(path: str,
                sampling_rate: int = 16000):
 
+    if 'sox' in torchaudio.list_available_backends():
+        effects = [
+            ['channels', '1'],
+            ['rate', str(sampling_rate)]
+        ]
+
+        wav, sr = torchaudio.sox_effects.apply_effects_file(path, effects=effects)
+    else:
         wav, sr = torchaudio.load(path)
 
         if wav.size(0) > 1: