Update app.py

app.py

@@ -11,7 +11,8 @@ def record_audio(filename="audio.wav", duration=5):
     st.subheader("Habla para grabar...")
 
     p = pyaudio.PyAudio()
-
+    default_input_device_index = p.get_default_input_device_info()['index']
+    
     stream = p.open(format=pyaudio.paInt16,
                     channels=1,
                     rate=44100,