Patent ID: 6292440
Filing Date: 2001-09-18
Classification: G11B

Abstract:
An MP3 car player, comprising:a display unit displaying information of replaying audio data;a keypad controlling drives of compact disks (CDs) and compact disk read only memories (CD-ROMs);a speaker unit outputting the audio data in a format audible to the human ear;a file type detector reading source data of the CDs and CD-ROMs and determining whether the file of the data is an ordinary audio CD file or an MP3 audio file;an MP3 file input unit receiving the MP audio file detected from the file type detector, and detecting errors and temporarily storing the data in a first memory;an MP3 decoder receiving the MP3 data from the MP3 file input unit and restoring compressed data by use of a Huffman decoding method, and converting the data into pulse code modulation data;a controller unit reading the data stored in the MP3 file input unit, controlling the display unit and the keypad, and writing data to the MP3 decoder;a peripheral interface unit controlling the control signals between the display unit, the keypad, and the controller unit; anda digital/analog converter receiving ordinary audio CD data from the file type detector or receiving pulse code modulation digital data from the MP3 decoder and converting the data into analog data and outputting the data to the speaker unit.