| 摘要 |
An in-vehicle device 2 mounted on a vehicle 1 receives music data distributed from a satellite 3 via a satellite receiver antenna 22a, and exchanges the music data with a center server 5 via a base station and a cellular telephone antenna 23a. The center server 5 sets up a music database 11, which includes user storages 13, one being provided for a user while allocating a predetermined storage capacity. The center server 5 receives the music data having classification information appended thereto from the in-vehicle device 2, stores them in the user storage 13, and, in response to a user's reproduction request, reads the requested music data stored in the user storage 13 based on the appended classification information and sends the read music data to the in-vehicle device 2. In addition, a billing processor 12 performs a billing process for the user on an individual basis using billing information stored in a billing database 14.
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