| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To enable a user to listen to a voice with a proper volume according to a distance between the user and a speaker without imposing any labor on the user in using an information processor such as a personal computer. <P>SOLUTION: A keyboard 4 or a remote controller 8 is respectively provided with a distance sensor 4A or 8A for detecting a distance between the keyboard 4 or the remote controller 8 and a display monitor 2. According as the distance between the keyboard 4 or the remote controller 8 is made larger in order of La, Lb and Lc, the volume of a voice to be outputted by the speaker 2L and 2R in the display monitor 2 is made larger. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
