Journal of the Korean Society of Laryngology, Phoniatrics and Logopedics (대한후두음성언어의학회지)

The Korean Society of Laryngology, Phoniatrics and Logopedics. (대한후두음성언어의학회)
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Feasibility of Galaxy Smartphone Recording as Portable Recorder for Acoustic Analysis of Voice

음향분석에 사용할 녹음장비로 갤럭시 스마트폰 녹음기능의 유용성

  • Yun, Mae-Hwa (Department of Otolaryngology-Head and Neck Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine) ;
  • Lee, Jae-Hyuk (Department of Otolaryngology-Head and Neck Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine) ;
  • Lee, Sang-Hyuk (Department of Otolaryngology-Head and Neck Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine) ;
  • Jin, Sung-Min (Department of Otolaryngology-Head and Neck Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine)
  • 윤매화 (성균관대학교 의과대학 강북삼성병원 이비인후과학교실) ;
  • 이재혁 (성균관대학교 의과대학 강북삼성병원 이비인후과학교실) ;
  • 이상혁 (성균관대학교 의과대학 강북삼성병원 이비인후과학교실) ;
  • 진성민 (성균관대학교 의과대학 강북삼성병원 이비인후과학교실)
  • Received : 2015.05.13
  • Accepted : 2015.06.02
  • Published : 2015.12.31
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Abstract

Background and Objectives : Acoustic analysis of voice could be influenced so much by the quality of voice files which were recorded by recording device. In clinical practice, voice files that were recorded by analysis program directly or portable digital recording device were analyzed mostly. This study examined the feasibility of using Galaxy smartphone recordings for acoustic analysis of voice. Materials and Methods : Acoustic measures were compared between voice signals recorded from 30 normal speakers (15 males and 15 females) through Galaxy smartphone, portable digital recording device and CSL. Fo, jitter, shimmer, NHR (Noise-Harmony ratio) and Formant frequencies were analyzed by MDVP. Results : Fo, Jitter, Shimmer, NHR and formant frequencies from 3 devices were no significantly difference. The intraclass correlation coefficient (ICC) was higher between each of the voice perturbation measures. Conclusion : The findings indicated that Galaxy smartphone recording system was useful device for acoustic analysis of voice. Furthermore, Galaxy smartphone can be applied widely in various way for acoustic analysis of voice.

Keywords

References

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