Create io_utils.py

io_utils.py

@@ -0,0 +1,34 @@
+# io_utils.py
+# =============
+# Handles audio metadata and safe loading
+
+import soundfile as sf
+import librosa
+import numpy as np
+
+
+def read_audio_info(path):
+    """Read audio file metadata using soundfile.info"""
+    info = sf.info(path)
+    return {
+        "samplerate": int(info.samplerate),
+        "channels": int(info.channels),
+        "frames": int(info.frames),
+        "subtype": info.subtype,
+        "format": info.format,
+        "duration": float(info.frames) / info.samplerate if info.frames else 0.0
+    }
+
+
+def load_audio_mono(path):
+    """
+    Always load safely as mono using Librosa.
+    This helper keeps the original logic untouched.
+    """
+    try:
+        y, sr = librosa.load(path, sr=None, mono=True)
+        if np.isnan(y).any():
+            y = np.nan_to_num(y)
+        return y, sr
+    except Exception as e:
+        raise RuntimeError(f"Audio loading failed: {str(e)}")