CN107871489B - 和弦判定装置、和弦判定方法以及非暂时性的记录介质 - Google Patents

和弦判定装置、和弦判定方法以及非暂时性的记录介质 Download PDF

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CN107871489B
CN107871489B CN201710761110.3A CN201710761110A CN107871489B CN 107871489 B CN107871489 B CN 107871489B CN 201710761110 A CN201710761110 A CN 201710761110A CN 107871489 B CN107871489 B CN 107871489B
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chord
section
key
beat
sound
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CN107871489A (zh
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南高纯一
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Casio Computer Co Ltd
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/0008Associated control or indicating means
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/36Accompaniment arrangements
    • G10H1/38Chord
    • G10H1/383Chord detection and/or recognition, e.g. for correction, or automatic bass generation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/0033Recording/reproducing or transmission of music for electrophonic musical instruments
    • G10H1/0041Recording/reproducing or transmission of music for electrophonic musical instruments in coded form
    • G10H1/0058Transmission between separate instruments or between individual components of a musical system
    • G10H1/0066Transmission between separate instruments or between individual components of a musical system using a MIDI interface
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/36Accompaniment arrangements
    • G10H1/40Rhythm
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/031Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/056Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal for extraction or identification of individual instrumental parts, e.g. melody, chords, bass; Identification or separation of instrumental parts by their characteristic voices or timbres
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/031Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/076Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal for extraction of timing, tempo; Beat detection
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/031Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/081Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal for automatic key or tonality recognition, e.g. using musical rules or a knowledge base
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/395Special musical scales, i.e. other than the 12-interval equally tempered scale; Special input devices therefor
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/571Chords; Chord sequences
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/571Chords; Chord sequences
    • G10H2210/576Chord progression
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2220/00Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/021Indicator, i.e. non-screen output user interfacing, e.g. visual or tactile instrument status or guidance information using lights, LEDs or seven segments displays
    • G10H2220/026Indicator, i.e. non-screen output user interfacing, e.g. visual or tactile instrument status or guidance information using lights, LEDs or seven segments displays associated with a key or other user input device, e.g. key indicator lights
    • G10H2220/036Chord indicators, e.g. displaying note fingering when several notes are to be played simultaneously as a chord
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/005Algorithms for electrophonic musical instruments or musical processing, e.g. for automatic composition or resource allocation
    • G10H2250/015Markov chains, e.g. hidden Markov models [HMM], for musical processing, e.g. musical analysis or musical composition
    • G10H2250/021Dynamic programming, e.g. Viterbi, for finding the most likely or most desirable sequence in music analysis, processing or composition

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Auxiliary Devices For Music (AREA)
  • Electrophonic Musical Instruments (AREA)
CN201710761110.3A 2016-09-28 2017-08-30 和弦判定装置、和弦判定方法以及非暂时性的记录介质 Active CN107871489B (zh)

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Publication number Priority date Publication date Assignee Title
JP6500870B2 (ja) * 2016-09-28 2019-04-17 カシオ計算機株式会社 コード解析装置、方法、及びプログラム
JP6500869B2 (ja) * 2016-09-28 2019-04-17 カシオ計算機株式会社 コード解析装置、方法、及びプログラム

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499808A (en) * 1979-12-28 1985-02-19 Nippon Gakki Seizo Kabushiki Kaisha Electronic musical instruments having automatic ensemble function
US4704933A (en) * 1984-12-29 1987-11-10 Nippon Gakki Seizo Kabushiki Kaisha Apparatus for and method of producing automatic music accompaniment from stored accompaniment segments in an electronic musical instrument
US5457282A (en) * 1993-12-28 1995-10-10 Yamaha Corporation Automatic accompaniment apparatus having arrangement function with beat adjustment
US5532425A (en) * 1993-03-02 1996-07-02 Yamaha Corporation Automatic performance device having a function to optionally add a phrase performance during an automatic performance
US5760325A (en) * 1995-06-15 1998-06-02 Yamaha Corporation Chord detection method and apparatus for detecting a chord progression of an input melody
CN1870800A (zh) * 1999-07-28 2006-11-29 雅马哈株式会社 发音控制装置以及使用它的携带用终端装置及系统
CN101123085A (zh) * 2006-08-09 2008-02-13 株式会社河合乐器制作所 和弦名检测装置以及和弦名检测用程序
CN101375327A (zh) * 2006-01-25 2009-02-25 索尼株式会社 节拍提取设备和节拍提取方法
CN101740013A (zh) * 2008-11-21 2010-06-16 索尼株式会社 信息处理设备、声音分析方法和程序
CN101740010A (zh) * 2008-11-21 2010-06-16 索尼株式会社 信息处理设备、声音分析方法和程序
CN101916564A (zh) * 2008-12-05 2010-12-15 索尼株式会社 信息处理装置、旋律线提取方法、低音线提取方法及程序
CN102332255A (zh) * 2010-07-13 2012-01-25 雅马哈株式会社 电子乐器
CN103093747A (zh) * 2011-11-04 2013-05-08 卡西欧计算机株式会社 自动调修正装置及自动调修正方法
CN104040618A (zh) * 2011-07-29 2014-09-10 音乐策划公司 用于制作更和谐音乐伴奏以及用于将效果链应用于乐曲的系统和方法
CN104050954A (zh) * 2013-03-14 2014-09-17 卡西欧计算机株式会社 自动伴奏装置以及自动伴奏方法

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4290087A (en) * 1978-06-19 1981-09-15 Spin Physics, Inc. Coarse and fine control of segmented video playback apparatus with ancillary recording medium
US4450742A (en) * 1980-12-22 1984-05-29 Nippon Gakki Seizo Kabushiki Kaisha Electronic musical instruments having automatic ensemble function based on scale mode
JPS582893A (ja) * 1981-06-30 1983-01-08 ヤマハ株式会社 電子楽器
JPH0636151B2 (ja) * 1986-09-22 1994-05-11 日本電気株式会社 自動編曲方式及び装置
JPH087589B2 (ja) 1988-05-25 1996-01-29 カシオ計算機株式会社 自動コード付加装置
US5052267A (en) * 1988-09-28 1991-10-01 Casio Computer Co., Ltd. Apparatus for producing a chord progression by connecting chord patterns
JP2995303B2 (ja) * 1990-08-30 1999-12-27 カシオ計算機株式会社 メロディ対コード進行適合性評価装置及び自動コード付け装置
JPH06167975A (ja) * 1991-05-27 1994-06-14 Gold Star Co Ltd 電子楽器システムの伴奏和音自動発生方法
JP2876861B2 (ja) * 1991-12-25 1999-03-31 ブラザー工業株式会社 自動採譜装置
US5510572A (en) * 1992-01-12 1996-04-23 Casio Computer Co., Ltd. Apparatus for analyzing and harmonizing melody using results of melody analysis
JP2715816B2 (ja) * 1992-06-15 1998-02-18 ヤマハ株式会社 調検出装置および自動編曲装置
US5723803A (en) * 1993-09-30 1998-03-03 Yamaha Corporation Automatic performance apparatus
JP3371774B2 (ja) * 1997-10-06 2003-01-27 ヤマハ株式会社 演奏データから和音を検出する和音検出方法および和音検出装置、ならびに、和音検出用プログラムを記録した記録媒体
JP3567701B2 (ja) * 1997-10-21 2004-09-22 ヤマハ株式会社 楽音データから和音を検出する和音検出方法および和音検出装置、ならびに、和音検出用プログラムを記録した記録媒体
JP2000259154A (ja) 1999-03-05 2000-09-22 Casio Comput Co Ltd コード判定装置
JP3666577B2 (ja) * 2000-07-18 2005-06-29 ヤマハ株式会社 コード進行修正装置、コード進行修正方法及び同装置に適用されるプログラムを記録したコンピュータ読取り可能な記録媒体
US6835886B2 (en) * 2001-11-19 2004-12-28 Yamaha Corporation Tone synthesis apparatus and method for synthesizing an envelope on the basis of a segment template
JP4203308B2 (ja) * 2002-12-04 2008-12-24 パイオニア株式会社 楽曲構造検出装置及び方法
JP4313563B2 (ja) * 2002-12-04 2009-08-12 パイオニア株式会社 楽曲検索装置及び方法
JP4199097B2 (ja) * 2003-11-21 2008-12-17 パイオニア株式会社 楽曲自動分類装置及び方法
DE102004049478A1 (de) * 2004-10-11 2006-04-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zur Glättung eines Melodieliniensegments
US20060272486A1 (en) * 2005-06-02 2006-12-07 Mediatek Incorporation Music editing method and related devices
JP4650270B2 (ja) * 2006-01-06 2011-03-16 ソニー株式会社 情報処理装置および方法、並びにプログラム
DE102006008298B4 (de) * 2006-02-22 2010-01-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Notensignals
JP4225362B2 (ja) 2007-07-06 2009-02-18 カシオ計算機株式会社 コード判定装置およびコード判定処理プログラム
JP5659648B2 (ja) * 2010-09-15 2015-01-28 ヤマハ株式会社 コード検出装置およびコード検出方法を実現するためのプログラム
JP5696435B2 (ja) 2010-11-01 2015-04-08 ヤマハ株式会社 コード検出装置及びプログラム
EP2772904B1 (en) * 2013-02-27 2017-03-29 Yamaha Corporation Apparatus and method for detecting music chords and generation of accompaniment.
JP6123574B2 (ja) 2013-08-21 2017-05-10 カシオ計算機株式会社 コード抽出装置、方法、およびプログラム
JP6232916B2 (ja) 2013-10-18 2017-11-22 カシオ計算機株式会社 コードパワー算出装置、方法及びプログラム、並びにコード決定装置
JP6160598B2 (ja) * 2014-11-20 2017-07-12 カシオ計算機株式会社 自動作曲装置、方法、およびプログラム
JP6160599B2 (ja) * 2014-11-20 2017-07-12 カシオ計算機株式会社 自動作曲装置、方法、およびプログラム
JP6079753B2 (ja) * 2014-11-20 2017-02-15 カシオ計算機株式会社 自動作曲装置、方法、およびプログラム
US9852721B2 (en) * 2015-09-30 2017-12-26 Apple Inc. Musical analysis platform
US9804818B2 (en) * 2015-09-30 2017-10-31 Apple Inc. Musical analysis platform
JP6500869B2 (ja) * 2016-09-28 2019-04-17 カシオ計算機株式会社 コード解析装置、方法、及びプログラム
JP6500870B2 (ja) * 2016-09-28 2019-04-17 カシオ計算機株式会社 コード解析装置、方法、及びプログラム

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499808A (en) * 1979-12-28 1985-02-19 Nippon Gakki Seizo Kabushiki Kaisha Electronic musical instruments having automatic ensemble function
US4704933A (en) * 1984-12-29 1987-11-10 Nippon Gakki Seizo Kabushiki Kaisha Apparatus for and method of producing automatic music accompaniment from stored accompaniment segments in an electronic musical instrument
US5532425A (en) * 1993-03-02 1996-07-02 Yamaha Corporation Automatic performance device having a function to optionally add a phrase performance during an automatic performance
US5457282A (en) * 1993-12-28 1995-10-10 Yamaha Corporation Automatic accompaniment apparatus having arrangement function with beat adjustment
US5760325A (en) * 1995-06-15 1998-06-02 Yamaha Corporation Chord detection method and apparatus for detecting a chord progression of an input melody
CN1870800A (zh) * 1999-07-28 2006-11-29 雅马哈株式会社 发音控制装置以及使用它的携带用终端装置及系统
CN101375327A (zh) * 2006-01-25 2009-02-25 索尼株式会社 节拍提取设备和节拍提取方法
CN101123085A (zh) * 2006-08-09 2008-02-13 株式会社河合乐器制作所 和弦名检测装置以及和弦名检测用程序
CN101740013A (zh) * 2008-11-21 2010-06-16 索尼株式会社 信息处理设备、声音分析方法和程序
CN101740010A (zh) * 2008-11-21 2010-06-16 索尼株式会社 信息处理设备、声音分析方法和程序
CN101916564A (zh) * 2008-12-05 2010-12-15 索尼株式会社 信息处理装置、旋律线提取方法、低音线提取方法及程序
CN102332255A (zh) * 2010-07-13 2012-01-25 雅马哈株式会社 电子乐器
CN104040618A (zh) * 2011-07-29 2014-09-10 音乐策划公司 用于制作更和谐音乐伴奏以及用于将效果链应用于乐曲的系统和方法
CN103093747A (zh) * 2011-11-04 2013-05-08 卡西欧计算机株式会社 自动调修正装置及自动调修正方法
CN104050954A (zh) * 2013-03-14 2014-09-17 卡西欧计算机株式会社 自动伴奏装置以及自动伴奏方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
钢琴即兴演奏、伴奏与弹唱(三);蔡常青等;《钢琴艺术》;20160731;第40-45页 *

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US20180090118A1 (en) 2018-03-29
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US10410616B2 (en) 2019-09-10
JP6500869B2 (ja) 2019-04-17

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