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A Disembarking Notification Application for Public Transportation Using Inaudible Frequency
Mobile Information Systems
Currently, many people enjoy videos and music content through their smart devices while using public transportation. However, because passengers focus so much on content on their smart devices, they sometimes forget to disembark and miss their destination stations. Therefore, in this paper, we propose an application that can notify users via smart devices when they approach the drop-off point in public transportation using an inaudible high frequency. Inaudible frequency signals are generateddoi:10.1155/2022/4775794 doaj:9f40b0b47d8641d48b1e54422bc84404 fatcat:dwehswwpqjemtkubppsec24jxu