14. The portable electronic terminal of claim 13 , wherein unlocking the touch screen further comprises unlocking the touch screen in response to recognizing the predetermined speaker of the voice signal.
14. The portable electronic terminal of claim 13 , wherein unlocking the touch screen further comprises unlocking the touch screen in response to recognizing the predetermined speaker of the voice signal. 15. The portable electronic terminal of claim 14 , wherein unlocking the touch screen further comprises unlocking the touch screen in response to recognizing the wakeup command and the predetermined speaker of the voice signal.