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device and method for transmission and issue of data such as music lessons
device and method for transmission and issue of data such as music lessons
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机译:诸如音乐课之类的数据的发送和发布的设备和方法
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摘要
Data delivery apparatus (1) communicate with a plurality of terminals (2) via a communication network. Member table (T1) stores a member ID and attribute data of each member. When a member logs in via a terminal, its communication address is written into the member table in association with its member ID. When a command requesting delivery of particular data has been received from a terminal, the delivery apparatus refers to the member table, on the basis of the communication address of the terminal having transmitted the command, to determine whether the attribute data corresponding to the member ID is indicative of a predetermined attribute. If so, the delivery apparatus reads out the particular data from a database and broadcasts the particular data to all of terminal apparatus having their respective communication addresses stored in the member table. The delivery apparatus can broadcast data, transmitted from a terminal, to all of the members, with reference to the member table. The broadcasted data may be stored in a sharing memory so that the data can be transmitted to another terminal having logged in at a later time. On the basis of performance data generated in response to performance of a musical instrument, an image indicative of the contents of the performance is created and then displayed along with a graphic image emulating the musical instrument.
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