Update app.py

app.py

@@ -90,13 +90,13 @@ def stream_decode_audio(encoded_file_path) -> Generator[tuple, None, None]:
             for i in range(0, z.shape[2], chunk_size):
                 z_chunk = z[:, :, i:i+chunk_size]
                 audio_chunk = agc.decode(z_chunk)
-                # Convert to numpy, then to list, and yield as tuple with sample rate
-                audio_data = audio_chunk.squeeze(0).cpu().numpy().T.tolist()
+                # Convert to numpy array and transpose
+                audio_data = audio_chunk.squeeze(0).cpu().numpy().T
                 yield (sample_rate, audio_data)
 
     except Exception as e:
         print(f"Streaming decoding error: {e}")
-        yield (sample_rate, [[0] * chunk_size, [0] * chunk_size])  # Return silence in case of error
+        yield (sample_rate, np.zeros((2, chunk_size), dtype=np.float32))  # Return silence in case of error
 
 # Gradio Interface
 with gr.Blocks() as demo: