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Age-related changes in permissible delay times of hearing aids and its application for hearing aids for presbycusis

Research Project

Project/Area Number 17K18165
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Rehabilitation science/Welfare engineering
Applied health science
Research InstitutionMeiji University

Principal Investigator

Murakami Takahiro  明治大学, 理工学部, 専任講師 (50409463)

Research Collaborator AOKI Soichiro  
YONEGUCHI Ryoichi  
OHASHI Saki  
TODA Yuki  
OCHIAI Yuki  
SHIGEMATSU Hayato  
Project Period (FY) 2017-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords老人性難聴 / 補聴器 / 聴覚フィードバック / 骨導音 / phase vocoder / ノンパラメトリックベイズモデル / マイクロホンアレー校正 / ブラインドシステム同定 / インパルス応答推定 / 双曲線正割分布 / 気導音
Outline of Final Research Achievements

Due to the limitation about delay times between input and output, it is quite difficult to improve performance of hearing aids. Previous research, however, suggested that permissible delay times of hearing aids for presbycusis (or age-related hearing loss) could be extended to a certain degree.
In this KAKENHI project, the age-related changes in permissible delay times of hearing aids have been investigated in detail. By this investigation, it has also been revealed that some compensation is necessary for acoustic signals to investigate efficiently. In relation to the compensation of acoustic signals, several algorithms for estimating parameters of acoustic systems have been developed. In addition, a phase vocoder, which can be available for the compensation, has been improved by removing the well-known phase unwrapping problem.

Academic Significance and Societal Importance of the Research Achievements

近年,老人性難聴に起因するコミュニケーションの問題や認知症リスクの上昇が指摘されている.一方,老人性難聴を補助するための補聴器は,普及率が15%を下回っている.補聴器の低普及率の主な原因は,利用者の期待に対して性能が不十分であるためと考えられる.
本研究課題は,老人性難聴用補聴器の性能改善への試みの1つである.従来は,補聴器内部で行う音声処理方法の改善が多く試みられてきた.一方,本研究課題では,老人性難聴の特徴の積極的な利用による性能改善の可能性を探った.本研究課題によって得られた実験方法や集まったデータ等の成果を今後もより洗練させることで,補聴器の性能の大幅な改善が期待できる.

Report

(3 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • Research Products

    (11 results)

All 2019 2018 2017 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (8 results) (of which Int'l Joint Research: 4 results) Remarks (1 results)

  • [Journal Article] A Nonparametric Bayesian Model for System Identification Based on a Super-Gaussian Distribution2019

    • Author(s)
      丹治寛樹,村上隆啓,鎌田弘之
    • Journal Title

      IEEJ Transactions on Electronics, Information and Systems

      Volume: 139 Issue: 4 Pages: 380-387

    • DOI

      10.1541/ieejeiss.139.380

    • NAID

      130007621980

    • ISSN
      0385-4221, 1348-8155
    • Year and Date
      2019-04-01
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A Phase Vocoder without Requiring Phase Unwrapping2018

    • Author(s)
      米口 遼一、村上 隆啓
    • Journal Title

      IEEJ Transactions on Electronics, Information and Systems

      Volume: 138 Issue: 4 Pages: 352-359

    • DOI

      10.1541/ieejeiss.138.352

    • NAID

      130006602565

    • ISSN
      0385-4221, 1348-8155
    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] 観測雑音に双曲線正割分布を用いた上界最小化に基づくカルマンフィルタ2018

    • Author(s)
      丹治寛樹,村上隆啓,鎌田弘之
    • Organizer
      電気学会システム研究会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 部分空間法に基づいた有色雑音を想定したブラインドシステム同定2018

    • Author(s)
      大橋沙季,丹治寛樹,村上隆啓
    • Organizer
      第33回信号処理シンポジウム
    • Related Report
      2018 Annual Research Report
  • [Presentation] Blind system identification for acoustic impulse responses based on maximum likelihood estimation2018

    • Author(s)
      Saki Ohashi, Hiroki Tanji, and Takahiro Murakami
    • Organizer
      2018 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Robust FIR system identification for super-Gaussian noise based on hyperbolic secant distribution2018

    • Author(s)
      Hiroki Tanji, Takahiro Murakami, and Hiroyuki Kamata
    • Organizer
      2018 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS 2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 高齢者の聴覚における遅延時間の許容量の評価2018

    • Author(s)
      重松颯人,村上隆啓
    • Organizer
      平成29年度電子情報通信学会東京支部学生会研究発表会
    • Related Report
      2017 Research-status Report
  • [Presentation] 聴覚フィードバックのための気導音と骨導音間の遅延時間の測定2018

    • Author(s)
      落合裕貴,村上隆啓
    • Organizer
      平成29年度電子情報通信学会東京支部学生会研究発表会
    • Related Report
      2017 Research-status Report
  • [Presentation] Array shape calibration using near field pilot sources with unknown distance2017

    • Author(s)
      Soichiro Aoki, Hiroki Tanji, and Takahiro Murakami
    • Organizer
      Asia-Pacific Signal and Information Processing Association Annual Summit and Conference 2017 (APSIPA ASC 2017)
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Time-scale and pitch-scale modification by the phase vocoder without occurring the phase unwrapping problem2017

    • Author(s)
      Ryoichi Yoneguchi and Takahiro Murakami
    • Organizer
      22nd International Conference on Digital Signal Processing (DSP 2017)
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Remarks] 電子情報通信学会東京支部学生奨励賞を受賞

    • URL

      http://www.meiji.ac.jp/sst/information/2017/6t5h7p00000qn2ek.html

    • Related Report
      2017 Research-status Report

URL: 

Published: 2017-04-28   Modified: 2020-03-30  

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