MP3 player installed in motor vehicle, in which MP3 data files are held on hard disc controlled by small PC and can be updated via network interface, and reproduction is performed by external board

摘要

The device is installed in a motor vehicle and the MP3 data files are held on a hard disc (B) controlled by a small PC (A) and can be updated via a network interface (L). The reproduction of the files is performed by an external board (C) that relieves the load on the small PC's main processor.