| 摘要 |
PROBLEM TO BE SOLVED: To provide a sound guidance system enabling people to perceive a guidance sound with almost a constant sound volume and enabling the people to perceive that sound sources of the guidance sound is present in a guidance destination independently of the moving speed of the people. SOLUTION: The sound guidance system is configured in such a way that a loudspeaker 3 is provided in each of a plurality of positions in a pathway (area) 1 wherein the guidance of the people H is required and guides the people H by sound while providing a sense to the people H as if the sound emitted from the loudspeakers 3 were heard from a downstream side in a guidance direction A, and the loudspeakers 3 are configured to emit the guidance sound S being a directive sound and configured to direct the radiation direction of the guidance sound S toward an upstream side in the guidance direction A. COPYRIGHT: (C)2005,JPO&NCIPI |
