Method and apparatus for connecting portable audio player to larger audio system

An apparatus of operating a portable player by connecting the portable player with an external audio/video system, comprising:

• means for connecting a video signal line between one end of an interface controller and the external audio/video system;
• means for connecting the portable player with another end of the interface controller;
• means for retrieving output data from the portable player where the output data include audio signals for reproducing audible sounds and text data for describing music information;
• means for sending the audio signals to the external audio/video system for reproducing the audible sounds of a selected music by the external audio/video system;
• means for converting the text data extracted from the output data to video signals;
• means for sending the video signals to the external audio/video system through the video signal line and for displaying the music information on a monitor screen of the external audio/video system;
• and
• means for controlling an operation of the portable player by sending a command signal to the portable player through the interface controller.