monkey-patch torchaudio.load to use soundfile backend

app.py

@@ -332,6 +332,13 @@ def gradio_main():
             if ACE_SOURCE_DIR not in sys.path:
                 sys.path.insert(0, ACE_SOURCE_DIR)
 
+            import torchaudio
+            _orig_load = torchaudio.load
+            def _load_soundfile(filepath, *args, **kwargs):
+                kwargs.setdefault('backend', 'soundfile')
+                return _orig_load(filepath, *args, **kwargs)
+            torchaudio.load = _load_soundfile
+
             log_lines.append("[Step 1/2] Preprocessing audio files...")
             progress(0.10, desc="Preprocessing audio...")