| 摘要 |
PURPOSE: A selective sound source service of an education purpose is provided to offer customized learning system by enabling a user to select learning content. CONSTITUTION: A sound source file is stored in a database server after an education resource which a client is necessary to learn is created. The client extracts the sound source file from the communication apparatus of the client or directly selects the file. An individual file is created and reproduced. An integrated sound source file is created. |
