Update app.py

app.py

@@ -65,7 +65,11 @@ def determine_pause(audio:np.ndarray,sampling_rate:int,state:AppState) -> bool:
 def process_audio(audio:tuple,state:AppState,image:Image):
     if state.recording:  # Kiểm tra state.stream:
         if state.stream is not None:
-            state.stream = np.concatenate((state.stream, audio[1]))
+            try:
+                state.stream = np.concatenate((state.stream, audio[1]))
+            except Exception as e:
+                print(f"Lỗi tổng hợp giọng nói: {e}")
+                return state, None
         else:
             state.stream = audio[1]
             state.sampling_rate = audio[0]