| 摘要 |
<P>PROBLEM TO BE SOLVED: To synchronously switch streaming sources among a plurality of users. <P>SOLUTION: When a user of a client terminal 200A wants a user of a client terminal 200B to view the same streaming data, a URL of a viewing management service 102 of a viewing management server 100 and identification information on a management object user are transmitted to the client terminal 200B by a mail service. The user of the client terminal 200B accesses the viewing management service 102 by using a URL in mail and views the same streaming data. When the user of the client terminal 200A switches viewing from an Internet radio station server 300A to 300B, the information is monitored to rewrite identification information on an Internet radio station that is a viewing object in a user database. In response to a change of the identification information on the Internet radio station that is a viewing object of the management object user, the client terminal B starts viewing of new streaming data in a polling system. <P>COPYRIGHT: (C)2013,JPO&INPIT |
