Update app.py

app.py

@@ -138,7 +138,7 @@ lossy_input = lossy_input.reshape(-1)
 hann = torch.sqrt(torch.hann_window(window))
 lossy_input_tensor = torch.tensor(lossy_input)
 re_im = torch.stft(lossy_input_tensor, window, stride, window=hann, return_complex=False).permute(1, 0, 2).unsqueeze(
-    1).numpy().astype(np.float32)
+    1).numpy().astype(np.float16)
 
 
 session, onnx_model, input_names, output_names = load_model(model_ver)