價格：免費
更新日期：2017-12-23
檔案大小：5.3M
目前版本：2.2
版本需求：Android 4.0 以上版本
官方網站：mailto:ambientdetector@gmail.com
Email：http://www.ambientdetector.tk/
聯絡地址：20 Main Street, Exeter, New Hampshire 03833
**THIS APPLICATION IS A HIGH SCHOOL SCIENCE PROJECT. Should there be any issues or bugs, or even features you would like to see in the application, please let us know!
Ambient Detector is intended to assist ones with hearing impairment by detecting ambient sounds and notifying users.
Developers:
1. Arun Wongprommoon
2. Phetprakai Siripowsuwankul
3. Poonyapas Sinpanyalert
Special thanks to:
Miss Laokhwan Ngamprasit
Mahidol Wittayanusorn School
National Software Contest
More than five hundred million people in the world have hearing problems, ranging from total deafness to minor hearing issues. Their daily lives are affected by their conditions, for instance not being able to hear door knocks or car horns – sounds that deserve attention. As a result, some hearing impaired people may be at risk of danger. Our project aimed to develop an application which assists people by detecting important sounds in distances of up to four meters. The application, named Ambient Detector, works by continuously recording sound via the microphone, and sending two-second intervals of the recorded sound for further analysis. There are two modes to our application – “recognizing mode” for complete identification of sound, and “lite mode” for notifying users of loud sounds. The essential algorithm used in the recognizing mode is fast Fourier transform, which converts sound data from a time domain to a frequency domain. The resulting data is then compared to fingerprints stored in the phone. In addition to the default sounds we included as part of the application, users may add their own sound fingerprints. When tested in a real environment, the identification efficiency was 100.00% for noise rejection, 98.67% for single sound, and 60.33% for multiple sounds. The response time of the application is around 3.26 seconds, which is satisfactory. In conclusion, Ambient Detector can improve the quality of living of the hearing impaired.