Abstract: Disclosed is a portable multimedia player comprising: a portable phone section having a modem adapted to communicate with an external device; a multimedia control section adapted to perform a control of the overall operation of the portable multimedia player and including a CPU, a control logic circuit, a memory having a predetermined storage capacity and adapted to store a music file and a moving picture file downloaded by way of online communications, and a system ROM adapted to store predetermined control program; a CD player section adapted to drive a CD-ROM driver to reproduce a CD media; a key input section having a plurality of function keys and adapted to input a control signal for controlling each of the elements of the portable multimedia player; a MPEG data processing section adapted to process a MPEG-1 video signal and a MP3 audio signal from a file stored in the CD player section or the multimedia control section and to convert the MP3 audio digital signal into an analog signal to output the conv