Update app.py

app.py

@@ -312,7 +312,7 @@ def generate_music(
                     vocal_stem, sr = sf.read(inst_path)
                     instrumental_stem, _ = sf.read(vocal_path)
                     mix_stem = (vocal_stem + instrumental_stem) / 1
-                    return (16000, mix_stem), (16000, vocal_stem), (16000, instrumental_stem)
+                    return (sr, (mix_stem * 32767).astype(np.int16)), (sr, (vocal_stem * 32767).astype(np.int16)), (sr, (instrumental_stem * 32767).astype(np.int16))
             except Exception as e:
                 print(e)
                 return None, None, None