| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To effectively attract attention to an advertisement and to know the attention attracting effect. <P>SOLUTION: A control device 10 is connected to a super-directional speaker 40 outputting audio in a specific direction and a speaker pedestal 41 adjusting the audio output direction of the super-directional speaker 40. The control device 10 takes an image of an area in front of an advertisement display surface by means of a camera 50, detects a person photographed in the image as a target, adjusts the audio output direction of the super-directional speaker 40 to the direction of the target by means of the speaker pedestal 41, and causes the super-directional speaker 40 to output audio. After outputting the audio, the control device 10 takes another image by the camera 50, and based on this image, determines the direction of a face of the target. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
