Data processing unit and method for distribution and playback of acoustic and visual data, e.g. for advertising or information, whereby data are transmitted over a network and used to update a display or output as required

摘要

Data processing unit and method for data transfer and replay of acoustic and visual data to a person or group of persons. According to the method data can be transferred simultaneously or at different times to multiple worldwide units over radio or cable networks and for short ranges via infrared. The data can be played back simultaneously or at different times by the units. The data can originate from different sources, e.g. computers or mobile phones.