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J Korean Soc Laryngol Phoniatr Logop > Volume 15(1); 2004 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 2004;15(1): 37-42.
경부형 전기인공후두 Blueton의 개발과 음향학적 성능 분석
최성희1, 박용재2, 박영관3, 김태정3, 남도현1, 임성은1, 이성은1, 김한수4, 최홍식1, 김광문1
1연세대학교 의과대학 이비인후과학교실, 음성언어의학연구소
2영동세브란스병원 의공학과학교실
3전기인공후두 제작사 링커스(주)
4이화여자대학교 의과대학 이비인후과학교실
Development of Neck-Type Electrolarynx Blueton and Acoustic Characteristic Analysis
Seong-Hee Choi1, Young-Jae Park2, Young-Kwan Park3, Tae-Jung Kim3, Do-Hyun Nam1, Sung-Eun Lim1, Sung-Eun Lee1, Han-Soo Kim4, Hong-Shik Choi1, Kwang-Moon Kim1
1Department of Otorhinolaryngology, The Institute of Logopedics & Phoniatrics
2Department of Medical Engineering Yongdong Severance Hospital Yonsei University College of Medicine
3Artificial Larynx Company 'Linkus'
4Department of Otorhinolaryngology, College of Medicine, Ewha Womans University
ABSTRACT
Electrolarynx(EL), battery operated vibrators which are held against the neck by on-off button, has been widely used as a verbal communication method among post-laryngectomized patients. EL speech can produce easily without need of any additional surgery or special training and be used with any other methods. This institute developed a neck-typed EL named "Blueton" in commperation with EL Company Linkus, which consists of 3 parts : Vibrator part, Control part, Battery part. In this study we evaluated the acoustic characteristics of the produced voices by Blueton compared with Servox-inton using MDVP. Three EL users (2 full time users, 1 part time user) were participated. The results revelaed that NHR higher in Servox than Blueton and intensity is higher in Blueton than Servox. The spectra for vowels produced by EL speakers are mixed signals combined with talkers' vocal output and electrolarynx noise. The spectra pattern is similar with two ELs. High, SPI index and vowel spectra from MDVP demonstrated characteristics of both electrolarynxes related to noise signal. This finding suggests that Blueton helps to provide one of useful rehabilitation options in the post laryngectomy patients.
KEY WORDS: Electrolarynx;Blueton;
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