Abstract:

In order to overcome the limitation that evacuation signs rely on visual information only, sound guidance technology based on audio information was introduced as an effective supplement to evacuation signs. The working principle of sound guidance technology was introduced, sound localization experimental system was established and experimental research was carried out. The compatibility of sound guiding device and audio alarm equipment was analyzed. The positioning accuracy of sound guided evacuation device was tested. The results showed that the sound guide device can work with the audio alarm device at the same time, and can reduce the evacuation time obviously. It's helpful for finding the right evacuation passage and safe exit quickly.  

Key words: emergency evacuation, directional sound technology;positioning accuracy, broadband sound