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STUDY OF MUSICAL SIGNAL ANALYSIS AND ITS APPLICATIONS TO INFORMATION THECHNOLOGY

Research Project

Project/Area Number 19500082
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Media informatics/Database
Research InstitutionToyohashi University of Technology

Principal Investigator

TADOKORO Yoshiaki  Toyohashi University of Technology, 工学部, 教授 (90005463)

Co-Investigator(Kenkyū-buntansha) SAITOU Tutomu  豊田工業高等専門学校, 電気電子システム工学科, 教授 (60280393)
KUDOU Norimasa  八戸工業高等専門学校, 電気情報工学科, 教授 (40270194)
NOGUCHI Kenntarou  沖縄工業高等専門学校, 情報通信システム工学科, 准教授 (00335100)
YAMAGUCHI Michiru  豊橋創造大学, 情報ビジネス学部, 講師 (60413762)
NATSUI Masanori  豊橋技術科学大学, 工学部, 助教 (10402661)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2008: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2007: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords音高推定 / 多和音 / 広音域 / 打楽器音 / 連結処理 / くし形フィルタ / 音高推定困難和音 / 低音域 / 音源分離 / ノッチ型くし形フィルタ / 共振型くし形フィルタ / 非調和成分
Research Abstract

実用的な採譜システムの実現のため, 従来音高推定が困難とされていた和音と打楽器音を含む楽音の音高推定を解決した. さらに, 音長検出法を提案するとともに, 和音数, 音域を拡大したときの音高推定法を示し, その応用として楽音の視覚化, 楽器演奏独習システムを提案した.

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (19 results)

All 2009 2008 2007 Other

All Journal Article (2 results) (of which Peer Reviewed: 1 results) Presentation (12 results) Remarks (1 results) Patent(Industrial Property Rights) (4 results) (of which Overseas: 1 results)

  • [Journal Article] 多楽器演奏音から単一音源の抽出2008

    • Author(s)
      工藤憲昌, 釜谷博行, 田所嘉昭
    • Journal Title

      八戸工業高等専門学校紀要 43

      Pages: 43-45

    • Related Report
      2008 Final Research Report
  • [Journal Article] 多楽器演奏音からの単一音源の抽出に関する基礎的検討2008

    • Author(s)
      工藤憲昌
    • Journal Title

      八戸工業高等専門学校紀要 43

      Pages: 43-45

    • NAID

      110007126389

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] 腕の動作計測と音の解析による初期のバイオリン指導の検討2009

    • Author(s)
      野口健太郎
    • Organizer
      信学総合大会
    • Place of Presentation
      愛媛大学(D-15-40)
    • Year and Date
      2009-03-18
    • Related Report
      2008 Final Research Report
  • [Presentation] Resonator型くし形フィルタによる楽音のオンセット検出と音高推定に関する検討2009

    • Author(s)
      寺井優
    • Organizer
      信学技報
    • Place of Presentation
      同志社大学(EA2008-118)
    • Year and Date
      2009-01-29
    • Related Report
      2008 Final Research Report
  • [Presentation] 低音域を対象にした打楽器音を含む楽音の音高推定法の検討2009

    • Author(s)
      山本雄士
    • Organizer
      信学技報
    • Place of Presentation
      同志社大学(EA2008-117)
    • Year and Date
      2009-01-19
    • Related Report
      2008 Final Research Report
  • [Presentation] 音符の連結パターンを用いた振幅スペクトル比較による音符の連結処理の検討2009

    • Author(s)
      坂内秀幸
    • Organizer
      信学技報
    • Place of Presentation
      同志社大学(EA2008-116)
    • Year and Date
      2009-01-19
    • Related Report
      2008 Final Research Report
  • [Presentation] Signal identification for wide-range sound (piano) using notch and resonator-type comb filters2008

    • Author(s)
      Yoshiaki Tadokoro
    • Organizer
      ICSPCS2008
    • Place of Presentation
      Gold Coast, Australia
    • Year and Date
      2008-12-15
    • Related Report
      2008 Final Research Report
  • [Presentation] Signal identification for wide-range sound (piano) using notch and resonator-type comb filters2008

    • Author(s)
      Yoshiaki Tadokoro
    • Organizer
      International Conference on Signal Processing and Communication Systems
    • Place of Presentation
      Gold Coast, Australia
    • Year and Date
      2008-12-15
    • Related Report
      2008 Annual Research Report
  • [Presentation] A study of music visualization system based on pitch detection2008

    • Author(s)
      Tsutomu Saito
    • Organizer
      SCIS & ISIS2008
    • Place of Presentation
      Nagoya, Japan
    • Year and Date
      2008-09-19
    • Related Report
      2008 Final Research Report
  • [Presentation] Pitch estimation for mixed tones with overlapped harmonic components using comb filters and auto-correlation functions2008

    • Author(s)
      Michiru Yamaguchi
    • Organizer
      SCIS & ISIS2008
    • Place of Presentation
      Nagoya, Japan
    • Year and Date
      2008-09-19
    • Related Report
      2008 Final Research Report
  • [Presentation] くし形フィルタと自己相関関数に基づく調和成分が重複する混合音の音高推定2007

    • Author(s)
      山口満
    • Organizer
      音情研
    • Place of Presentation
      ヤマハ(浜松)(2007-MUS-72(10))
    • Year and Date
      2007-10-12
    • Related Report
      2008 Final Research Report
  • [Presentation] Pitch estimation of polyphony having many musical tones using seven comb filters connected in cascade2007

    • Author(s)
      Yoshiaki Tadokoro
    • Organizer
      NSIP2007
    • Place of Presentation
      Bucharest, Romania
    • Year and Date
      2007-09-11
    • Related Report
      2008 Final Research Report
  • [Presentation] Pitch estimation of polyphony having many musical tones using seven comb filters connected in cascade2007

    • Author(s)
      Y.Tadokoro, D.Matsuyama and M.Natsui
    • Organizer
      International Workshop on Nonlinear Signal and Image Processing
    • Place of Presentation
      Bucharest, Romania
    • Year and Date
      2007-09-11
    • Related Report
      2007 Annual Research Report
  • [Presentation] Pitch estimation for musical sound including percussion sound using comb filters and autocorrelation function2007

    • Author(s)
      Yoshiaki Tadokoro
    • Organizer
      AMTA2007(WSEAS)
    • Place of Presentation
      Vancouver, Canada
    • Year and Date
      2007-06-20
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.signal.ics.tut.ac.jp

    • Related Report
      2008 Final Research Report
  • [Patent(Industrial Property Rights)]2008

    • Inventor(s)
      田所嘉昭
    • Industrial Property Rights Holder
      豊橋技科大
    • Industrial Property Number
      2008-217313
    • Filing Date
      2008-08-26
    • Related Report
      2008 Final Research Report
  • [Patent(Industrial Property Rights)] 特許願2008

    • Inventor(s)
      田所嘉昭
    • Industrial Property Rights Holder
      豊橋技術科学大学
    • Industrial Property Number
      2008-217313
    • Filing Date
      2008-08-26
    • Related Report
      2008 Annual Research Report
    • Overseas
  • [Patent(Industrial Property Rights)]2007

    • Inventor(s)
      田所嘉昭
    • Industrial Property Rights Holder
      豊橋技科大
    • Industrial Property Number
      2007-249880
    • Filing Date
      2007-09-16
    • Related Report
      2008 Final Research Report
  • [Patent(Industrial Property Rights)] 特許願2007

    • Inventor(s)
      田所 嘉昭
    • Industrial Property Rights Holder
      豊橋技科大
    • Industrial Property Number
      2007-249880
    • Filing Date
      2007-09-16
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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