WO2007119221A3 - Method and apparatus for extracting musical score from a musical signal - Google Patents

Method and apparatus for extracting musical score from a musical signal Download PDF

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Publication number
WO2007119221A3
WO2007119221A3 PCT/IB2007/051378 IB2007051378W WO2007119221A3 WO 2007119221 A3 WO2007119221 A3 WO 2007119221A3 IB 2007051378 W IB2007051378 W IB 2007051378W WO 2007119221 A3 WO2007119221 A3 WO 2007119221A3
Authority
WO
WIPO (PCT)
Prior art keywords
musical
signal
notes
extracting
instrument
Prior art date
Application number
PCT/IB2007/051378
Other languages
French (fr)
Other versions
WO2007119221A2 (en
Inventor
Pranav Singh
Sriram Krishnan
Original Assignee
Koninkl Philips Electronics Nv
Philips Corp
Pranav Singh
Sriram Krishnan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninkl Philips Electronics Nv, Philips Corp, Pranav Singh, Sriram Krishnan filed Critical Koninkl Philips Electronics Nv
Publication of WO2007119221A2 publication Critical patent/WO2007119221A2/en
Publication of WO2007119221A3 publication Critical patent/WO2007119221A3/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC 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
    • G10H1/00—Details of electrophonic musical instruments
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC 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
    • G10H7/00—Instruments in which the tones are synthesised from a data store, e.g. computer organs
    • G10H7/08—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform
    • G10H7/10—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform using coefficients or parameters stored in a memory, e.g. Fourier coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC 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
    • G10H2210/00—Aspects 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
    • G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/066—Musical 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 pitch analysis as part of wider processing for musical purposes, e.g. transcription, musical performance evaluation; Pitch recognition, e.g. in polyphonic sounds; Estimation or use of missing fundamental
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC 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
    • G10H2210/00—Aspects 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
    • G10H2210/031—Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/086—Musical 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 transcription of raw audio or music data to a displayed or printed staff representation or to displayable MIDI-like note-oriented data, e.g. in pianoroll format

Abstract

The present invention provides a system and a method for extracting musical note sequence from a musical signal by incorporating music theory and instrument knowledge. The method includes receiving a replica of a musical signal, identifying musical notes and instrument frequency envelopes of the musical signal by means of spectral analysis and an adaptive knowledgebase, generating a subtractive signal based on the musical notes and instrument frequency envelopes, and subtracting the subtractive signal from the replica of the musical signal. The note-sequence extracted from music signals is used to mine a music database significantly improving search and similarity calculation. The method of present invention provides printable musical score of the musical signal which includes staff and tablature notations with beamed notes, dynamic marks, ornaments, velocity marks and accidentals.
PCT/IB2007/051378 2006-04-18 2007-04-17 Method and apparatus for extracting musical score from a musical signal WO2007119221A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79326306P 2006-04-18 2006-04-18
US60/793,263 2006-04-18

Publications (2)

Publication Number Publication Date
WO2007119221A2 WO2007119221A2 (en) 2007-10-25
WO2007119221A3 true WO2007119221A3 (en) 2007-12-27

Family

ID=38421518

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/051378 WO2007119221A2 (en) 2006-04-18 2007-04-17 Method and apparatus for extracting musical score from a musical signal

Country Status (1)

Country Link
WO (1) WO2007119221A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008013172B4 (en) 2008-03-07 2010-07-08 Neubäcker, Peter Method for sound-object-oriented analysis and notation-oriented processing of polyphonic sound recordings
CN108986841B (en) * 2018-08-08 2023-07-11 百度在线网络技术（北京）有限公司 Audio information processing method, device and storage medium
CN110675849B (en) * 2019-09-11 2022-11-15 东北大学 Method for generating Bossa Nova style music rhythm based on Bayesian network
CN112183658B (en) * 2020-10-14 2024-01-26 小叶子（北京）科技有限公司 Music score identification method and device, electronic equipment and storage medium
CN112784099B (en) * 2021-01-29 2022-11-11 山西大学 Sampling counting audio retrieval method resisting tonal modification interference

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5210366A (en) * 1991-06-10 1993-05-11 Sykes Jr Richard O Method and device for detecting and separating voices in a complex musical composition
US20060075884A1 (en) * 2004-10-11 2006-04-13 Frank Streitenberger Method and device for extracting a melody underlying an audio signal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5210366A (en) * 1991-06-10 1993-05-11 Sykes Jr Richard O Method and device for detecting and separating voices in a complex musical composition
US20060075884A1 (en) * 2004-10-11 2006-04-13 Frank Streitenberger Method and device for extracting a melody underlying an audio signal

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
BAINBRIDGE D ET AL: "TOWARDS A DIGITAL LIBRARY OF POPULAR MUSIC", PROCEEDINGS OF THE ACM INTERNATIONAL CONFERENCE ON DIGITAL LIBRARIES, 1999, pages 161 - 169, XP008013225 *
DAFX02, 5TH INTERNATIONAL CONFERENCE ON DIGITAL AUDIO EFFECTS 26-28 SEPT. 2002 HAMBURG, GERMANY, 26 September 2002 (2002-09-26) - 28 September 2002 (2002-09-28), 5th International Conference on Digital Audio Effects. DAFx-02 Proceedings Univ. Federal Armed Forces Hamburg, Germany, pages 45 - 50, ISBN: 3-00-010151-9 *
DATABASE INSPEC [online] THE INSTITUTION OF ELECTRICAL ENGINEERS, STEVENAGE, GB; 2002, ORTIZ-BERENGUER L I ET AL: "Polyphonic transcription using piano modeling for spectral pattern recognition", XP002448442, Database accession no. 7637136 *
JUN YIN ET AL: "Music Transcription Using an Instrument Model", ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, 2005. PROCEEDINGS. (ICASSP '05). IEEE INTERNATIONAL CONFERENCE ON PHILADELPHIA, PENNSYLVANIA, USA MARCH 18-23, 2005, PISCATAWAY, NJ, USA,IEEE, 18 March 2005 (2005-03-18), pages 217 - 220, XP010792368, ISBN: 0-7803-8874-7 *
KLAPURI A P: "Multiple fundamental frequency estimation based on harmonicity and spectral smoothness", IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 11, no. 6, November 2003 (2003-11-01), pages 804 - 816, XP011104552, ISSN: 1063-6676 *

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Publication number Publication date
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