- Volume 65 Issue 7
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A Design of Dangerous Sound Detection Engine of Wearable Device for Hearing Impaired Persons
청각장애인을 위한 웨어러블 기기의 위험소리 검출 엔진 설계
- Received : 2016.06.02
- Accepted : 2016.06.27
- Published : 2016.07.01
Hearing impaired persons are exposed to the danger since they can't be aware of many dangerous situations like fire alarms, car hones and so on. Therefore they need haptic or visual informations when they meet dangerous situations. In this paper, we design a dangerous sound detection engine for hearing impaired. We consider four dangerous indoor situations such as a boiled sound of kettle, a fire alarm, a door bell and a phone ringing. For outdoor, two dangerous situations such as a car horn and a siren of emergency vehicle are considered. For a test, 6 data sets are collected from those six situations. we extract LPC, LPCC and MFCC as feature vectors from the collected data and compare the vectors for feasibility. Finally we design a matching engine using an artificial neural network and perform classification tests. We perform classification tests for 3 times considering the use outdoors and indoors. The test result shows the feasibility for the dangerous sound detection.
Hearing impaired;dangerous sound detection engine;LPC;LPCC;MFCC
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Supported by : 상명대학교