Video/audio data processing method and apparatus performing the same

Audio and video data processing method executed in the terminal apparatus according to an embodiment of the present invention comprises the steps, the check result to determine whether when the video-audio data are reproduced according to a user's request is connected to the external device to the terminal according to process and determine the phase and image information corresponding to the Lee Jinsu code to extract the Lee Jinsu code on the audio information by using a piece of voice data of the video-audio data. Accordingly, the present invention is the terminal apparatus according to the user connects an external device to the terminal device, and viewing the video and audio data output part of the audio data of the audio and video data to an external device, and providing the remaining part to the internal processor of the terminal device has the advantage that analyzes a portion of the audio information can be processed to extract the video information from the audio information.