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1997 Fiscal Year Final Research Report Summary

THE STUDY OF AN EFFECT OF INTRA-ORAL AIR PRESSURE ON BODY WALL VIBRATION DURING PHONATION

Research Project

Project/Area Number 08671992
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Otorhinolaryngology
Research InstitutionOSAKA MEDICAL COLLEGE

Principal Investigator

SAKAKURA Atsushi  Osaka Medical College, Department of Otolaryngology, Assistant professor, 医学部, 講師 (00215617)

Co-Investigator(Kenkyū-buntansha) HIGASHIKAWA Masahiko  Osaka Medical College, Department of Otolaryngology, Registrar (50257870)
Project Period (FY) 1996 – 1997
KeywordsBody wall vibration / Singing formant / voice / Vowel / Consonant / Alaryngeal speech / Helical CT / Three-dimensional image
Research Abstract

We physiologically examined body wall vibration to further develop the research in this field. The intensities and power spectra of the vibration of various parts of the human body were measured during sustained phonation. At the same time, voice sound and intra-oral and intra-pharyngeal air pressure were measured to analyze the mechanism of articulation of vowels and consonants. The concentration of acoustic energy around 3 KHz as found on the spectrum of body wall vibrations and singing voice sound. This resonance area was considered to correspond to what Sundberg designated as the "Singing formant". Quantitative analysis was carried out (not published).
The relationship between the perceived pitch of whispered vowels and their formant frequencies was studied (Reference 3,5). and perceptual and acoustic studies on articulation after uvulopalatopharyngoplasty were performed (Reference 6). Based on these results, to determine the present status of alaryngeal speech, a retrospective survey of patients who underwent total laryngectomy was carried out by questionnaire. A total of 681 of 971 laryngectomees in the Osaka-Kyoto area responded to the survey. The results revealed that the rate of patients using the electrolarynx increased (Reference 1). We also investigated the morphology of the larynx as a voice source organ by high speed helical CT scanning and evaluated the clinical usefulness and limitations of 3-dimensional (3-D) CT images of the larynx (Reference 2,4).

  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] 坂倉 淳: "人工喉頭音声" 音声言語医学. 39. 443-449 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Atsushi Sakakura: "Threee-Dimensional Imaging of Laryngeal Cancers Using High-Speed Helical CT Scanning" ORL. 60. 103-107 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 東川雅彦: "囁語における高低の知覚-加工音による実験-" 音声言語医学. 38. 211-215 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 坂倉 淳: "気道疾患のヘリカルスキャン CT" 日本気管食道科学会会報. 47. 433-438 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] M. Higashikawa: "Perceived Pitch of Whispered Vowels-Relationship with Formant Frequencies." Journal of Voice. 10. 155-158 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] K Nakai: "Articulation after uvulopalatopharyngoplasty." European Archives of Otorhinolaryngology.253. 417-420 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Atsushi Sakakura: "Artificial Larynx" The Japan Journal of Logopedics and Phoniatrics. 39,4. 443-449 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Atsushi Sakakura, Yuzo Yamamoto, Yasuo Uesugi, Ken Nakai, Hiroshi Takenaka, Isamu Narabayashi: "Threee-Dimensional Imaging of Laryngeal Cancers Using High-Speed Helical CT Scanning." ORL. 60. 103-107 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Masahiko Higashikawa, Atsushi Sakakura, Hiroaki Takahashi: "Perceived Pitch of Whispered Vowels-An experiment with Processed Whispered Vowels-." The Japan Journal of Logopedics and Phoniatrics. 38,2. 211-215 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Atsushi Sakakura, Yasuo Uesugi, Ken Nakai, Hiroshi Takenaka, Isamu Narabayashi: "Helical CT of the Larynx and Trachea." Journal of Japan Bronchoesophageal Society. 47,5. 433-438 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Higashikawa, K.Nakai, A.Sakakura and H.Takahashi: "Perceived Pitch of Whispered vowels-Relationship with Formant Frequencies : A Preliminary Study." Journal of Voice. 10,2. 155-158 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Nakai, A.Sakakura, H.Takahashi, T.Sadaoka, N.Kakitsuba: "Articulation after uvulopalatopharyngoplasty." European Archives of Otorhinolaryngology. 253. 417-420 (1996)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1999-12-08  

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