Abstract
Speaker array can from areas of higher sound pressure. We would like to explain of exhibitions by the speaker array system. The speaker array system needs external operability for exhibition support application. If we use the speaker array to explaining exhibition, the speaker array system is required to get information of object persons' positions for forming the higher sound pressure area at the positions. There are methods of getting information of object persons' positions by cameras and RFID. This paper presents a method of getting information of object persons' positions and controlling the speaker array system. The mat switches get the information of the positions by their own positions.