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1998 Fiscal Year Final Research Report Summary

Construction of Experience and Education System of Community Noise by an "Urusasa & Hues" Sound Level Meter

Research Project

Project/Area Number 09838012
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 感性工学
Research InstitutionShinshu University

Principal Investigator

YANAGISAWA Takesaburo  Shinshu University, Faculty of Engineering, Professor, 工学部, 教授 (50020970)

Co-Investigator(Kenkyū-buntansha) FURIHATA Kenji  Shinshu University, Faculty of Engineering, Associate Professor, 工学部, 助教授 (90021013)
Project Period (FY) 1997 – 1998
KeywordsCommunity noise / L_<Aeq> [dB] / sound level meter / "Urusasa" noise-rating scale / "Hues" noise-rating scale / two channel loudspeakers system / two channel earphones system / Simulator of vehicle noise sources
Research Abstract

Generally, sound level meters aren't popular. Therefore, the equivalent continuous A-weighted sound pressure level isn't truly understood not only physically but also sensuously by many people exposed to noise. Hence, we designed and made a new sound level meter (SLM) equipped with both "urusasa" (annoyance) and "five-hues" scales representing the psychological effects to noise. First, using this SLM, a mean acceptable outdoor noise level of L_<Aeq, T> for dwellings supposed by residents living at seven typical districts in Japan is experimentally discussed. From the results, the mean value of L_<Aeq, T>, corresponding to tolerable degree on the "urusasa and hues" scales supposed by residents for dwelling may be 49dB.
Secondly, two kinds of simulators of vehicle noise sources are proposed toward the construction of experience and education system of community noise by the SLM above. One is a combination of liquid crystal projector with 60 inches screen (ELMO EDP-2000) and two channel loudspeakers system based on the relation between their level difference and the position of sound image (a vehicle simulated with two point sound sources). The other is a combination of display mounted on head (SONY PLM-100) and two channel earphones system with an electroacoustic transducer of earplug type proposed by us which transmits the same sound as the transfer characteristics of the above loudspeakers system to one's tympanic membranes. From the experimental results, it can be said that both the simulators are effective for the virtual reality and the selection of building materials.

  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] K.Furihata and T.Yanagisawa: "Comparison between some results measured with an “urusasa & hues" and the conventional sound level meter." Inter-noise'96. 2601-2604 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 降旗建治,柳沢武三郎,畑中正雄,小崎明広: "自動車騒音源シミュレータ" 電子情報通信学会技術報告. EA97-58. 33-40 (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 降旗建治,柳沢武三郎,大下眞二郎: "耳栓型電気音響変換器によるオージオメータの開発" 電子情報通信学会技術報告. EA98-36. 1-8 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 降旗建治,柳沢武三郎: "騒音による心理的影響の発現と等価騒音レベルの関係" 日本音響学会 騒音・振動研究会. N-98-57. 1-8 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 岡本省吾,降旗建治,柳沢武三郎: "視・聴覚特性に基づく自動車騒音源シミュレータの構築" 日本音響学会 騒音・振動研究会. N-98-58. 1-8 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] K.Furihata and T.Yanagisawa: "Tolerable noise indices of L_<Aeq>supposed by residents" Noise Effects'98. Vol.2. 613-618 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] K.Furihata and T.Yanagisawa: "Comparison between Some Results Measured with an "Urusasa & Hues" and The Conventional Sound Level Meters." Inter-noise 96, August. 2601-2604 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] M.Hatanaka, K.Furihata and T.Yanagisawa: "Psychological Evaluation by The Simulation of Transmission Loss of Building Materials." Technical Report of IEICE. EA96-49. 43-50 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Furihata, T.Yanagisawa, M.Hatanaka and A.Kozaki: "Simulators of Vehicle Noise Sources." Technical Report of IEICE. EA97-58. 33-40 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Furihata, T.Yanagisawa and S.Ooshita: "Developing a New Electroacoustic Transducer of Earplug Type for The Audiometer." Technical Report of IEICE. EA98-36. 1-8 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Fujioka, K.Furihata and T.Yanagisawa: "Bone Conduction Hearing for Ultrasound." Technical Report of IEICE. EA98-37. 9-16 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Furihata and T.Yanagisawa: "Relation between Beginning to Feel Psychological Effects to Noise and L_<Aeq, T> : Comparison among Various Kinds of Noise-Rating Scales Taken in Japan." Technical Report of Acoust.Soc.of Japan.N-98-57. 1-8 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Okamoto, K.Furihata and T.Yanagisawa: "A Simulator of Vehicle Noise Sources Based on The Sensory Characteristics of Sight and Hearing." Technical Report of Acoust.Soc.of Japan.N-98-58. 1-8 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Furihata and T.Yanagisawa: "Tolerable Noise Indices of L_<Aeq> Supposed by Residents." Noise Effects '98 : 7th International Congress on Noise as a Public Health Problem, Congress Proceedings-. Volume 2. 613-618 (1998)

    • 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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