| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a system which matches the presence of users in a virtual space among users to protect privacy. <P>SOLUTION: A client terminal 201 has a presence provider 222 which transmits information regarding the position of a user to a presence server 110, a space modeling means 221 which calculates the position of the user in the virtual space, an audio renderer 216 which controls acoustic effects based on the position of the user in the virtual space, a graphics renderer 219 which creates image data based on the position of the user in the virtual space, and a policy session control part 223 which controls communication session. The client terminal 201 realizes a conversation among a plurality of users using a virtual space. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
