Update app.py

app.py

@@ -8,6 +8,7 @@ import gradio as gr
 import torchaudio
 import torch
 
+import soundfile as sf
 
 # ================================
 # CONFIG
@@ -16,6 +17,12 @@ DEVICE = "cuda" if torch.cuda.is_available() else "cpu"
 MODEL = "htdemucs"  # best quality vocal separation
 
 
+def resave(src, dst):
+    wav, sr = torchaudio.load(str(src))
+    data = wav.numpy().T
+    sf.write(dst, data, sr)
+
+
 # ================================
 # SPLIT FUNCTION
 # ================================
@@ -61,8 +68,8 @@ def split_vocals(audio_file):
         vocals_dst = str(Path(work_dir) / "vocals.wav")
         background_dst = str(Path(work_dir) / "background.wav")
 
-        shutil.copy2(vocals_src, vocals_dst)
-        shutil.copy2(background_src, background_dst)
+        resave(vocals_src, vocals_dst)
+        resave(background_src, background_dst)
 
         print(f"[Demucs] ✅ Done. Vocals: {vocals_dst}")
         return vocals_dst, background_dst, "✅ Split complete!"