| 학회 |
한국고분자학회 |
| 학술대회 |
2018년 가을 (10/10 ~ 10/12, 경주컨벤션센터) |
| 권호 |
43권 2호 |
| 발표분야 |
기능성 고분자 |
| 제목 |
Polymer-based Wearable Vibration Sensor for Quantitative Voice Recognition |
| 초록 |
Flexible and skin-attachable vibration sensors have been researched for wearable microphones. However, the reported sensors so far have shown low sensitivity and non-flat frequency response. In this work, we present polymer-based wearable vibration sensor that recognizes human voice quantitatively. Our sensor exhibits a high sensitivity over 4 V/Pa with flat frequency response over the voice band, which results from the polymer with low stiffness and low damping constant, and the hole-patterned diaphragm structure. Our sensor has a skin-conformity due to polymer-based ultrathin structure (＜ 10 μm). We successfully demonstrated voice security authentication and voice-controlled system notwithstanding ambient noise or use of mouth mask. In addition, the device enabled vocal healthcare monitoring conveniently even in noisy work places, by measuring quantitatively phonation time, voice frequency and pressure. |
| 저자 |
이시영, 송성원, 김준수, 윤인열, 배근열, 김대건, 박상식, 이일민, 정윤영, 조길원
|
| 소속 |
POSTECH |
| 키워드 |
Electronic-skin; Vibration; Sensor; Voice recognition
|
| E-Mail |
|
