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Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 1998;9(1): 11-16. |
| Force Sensing Resistor(FSR) Sensor를 이용한 전기인공후두 "Evada"의 기능적 특성에 대한 연구 |
| 박용재1, 최홍식2, 이주형2, 이성민2, 김광문2 |
| 1영동세브란스병원 의공학과2연세대학교 의과대학 이비인후과교실, 음성언어의학연구소 |
| A Study on Functional Characteristics of Electrolarynx "Evada" Using Force Sensing Resistor(FSR) Sensor |
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| ABSTRACT |
ation for the laryngectomees. Previous electrolarynx could not alter frequency and intensity simultaneously. This institute developed an electrolarynx named "Evada" using FSR(force sensing resistor) sensor, which can control the frequency(and/or intensity) simultaneously. This study was performed for the normal control and laryngectomees with three types of electrolarynx (Evada, Servox-inton, Nu-vois) to reveal functional characteristics of Evada
Materials and Method
s : five laryngectomees and five normal adults were made to express there sentences(discriptive sentence, "You stay here" ; question sentence, "You stay here？" ; exclamation sentence, "You!! stay here!"), using three types of electrolarynx. Frequency change and intensity change from first and last vowel was calculated in three sentences and analyzed statistically by paired T-test.
Results
: The frequency change in the question sentence and exclamation sentence was more prominent in Evada than in Servox-inton and Nu-vois. The intensity change in the question sentence and exclamation sentence was also more prominent in Evada than in Servox-inton and Nu-vois.
Conclusion
s : Evada could control frequency and intensity simultaneously and control degree of frequency(and/or intensity) according to the pressing force into the button. Evada could adjust continuously frequency and intensity during conversation. So, Evada is better in producing intonation and contrastive stress than Nu-vois and Servox-inton. |
| KEY WORDS：
Electrolarynx;Intonation;Contrastive stress;FSR sensor; |
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