Car A/V playback device

A car A/V playback device includes at least a signal-processing unit for compressing and storing input A/V signals as well as decompressing and reproducing stored A/V signals; a data-access unit allowing the signal-processing unit to do real-time access of signals stored therein; and a control unit for controlling modes in which the signal-processing unit and the data-access unit process signals. The car A/V playback device can be connected to a personal computer or a cable television to download a large quantity of musical works existed in the form of MP3 or CD, television programs, and pictures stored on VCD and DVD for storage on the device and direct playback on a car without the need of mounting VCD and DVD players on the car.