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Vocal Exercise System Using Electroglottography

성문전도를 이용한 발성훈련 시스템

  • Lee, Je-Hyun (Dept. of Medical Engineering, College of Medicine, Dong-A University) ;
  • Kim, Ji-Hye (Dept. of Medical Engineering, College of Medicine, Dong-A University) ;
  • Kang, Gu-Tae (Dept. of Medical Engineering, College of Medicine, Dong-A University) ;
  • Jung, Dong-Keun (Dept. of Medical Engineering, College of Medicine, Dong-A University)
  • 이제현 (동아대학교 의과대학 의공학교실) ;
  • 김지혜 (동아대학교 의과대학 의공학교실) ;
  • 강구태 (동아대학교 의과대학 의공학교실) ;
  • 정동근 (동아대학교 의과대학 의공학교실)
  • Received : 2013.02.18
  • Accepted : 2013.03.26
  • Published : 2013.03.31

Abstract

This study was aimed to implement the electroglottography (EGG) system for analyzing fundamental frequency of the phonation. EGG was recorded from the conductance between ring electrodes attached to the neck skin area near thyroid cartilage with high frequency carrier electric signals during vocalization, and voice signal was recorded with microphone simultaneously. EGG and voice signals were transmitted to the audio port in PC and recorded with stereo sound recording program. From the digitized data, several parameters such as pitch, jitter, shimmer, CQ and SQ were analyzed from the vowel sounds. For the voice training, sound fundamental frequency was displayed during the vocalization and singing a song using pitches analyzed from the EGG. The system implemented in this study could be used for vocal exercise.

Keywords

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Cited by

  1. Electroglottographic Spectral Tilt in Frequency Ranges of Vowel Sound vol.24, pp.4, 2015, https://doi.org/10.5369/JSST.2015.24.4.247