Patent ID: 7483957
Filing Date: 2009-01-27
Classification: G06Q

Abstract:
1. A server comprising: content storing means for storing content items; user related information storing means for storing user related information corresponding to a plurality of users; receiving means for receiving user identification information identifying a user from the plurality of users and information identifying a content item selected for purchase by the user; subdata storing means for storing subdata items corresponding to the content items, the subdata items being used to improve a corresponding content item when the corresponding content item is reproduced by a user; comparison means for comparing the user identification information received by the receiving means with the user related information corresponding to the user stored in the user related information storing means; determination means for determining a utilization level for the user, the utilization level calculated using one or more of a cost of content items previously purchased by the user, an accumulated connection time for downloading the previously purchased content items to the user, or a download time for downloading the previously purchased content items to the user, wherein the utilization level is determined by evaluating the user related information from the comparison means; control means for selecting a subdata item corresponding to the selected content item based on the user's utilization level; and transmitting means for electronically transmitting the selected subdata item with the selected content item to the user, wherein the content items stored in the content storing means are audio content items and the subdata items stored in the subdata storing means include additional information for increasing audio quality of the audio content items.