ATE465484T1 - Verfahren und vorrichtung zur extraktion einer einem audiosignal zu grunde liegenden melodie - Google Patents

Verfahren und vorrichtung zur extraktion einer einem audiosignal zu grunde liegenden melodie

Info

Publication number
ATE465484T1
ATE465484T1 AT05790019T AT05790019T ATE465484T1 AT E465484 T1 ATE465484 T1 AT E465484T1 AT 05790019 T AT05790019 T AT 05790019T AT 05790019 T AT05790019 T AT 05790019T AT E465484 T1 ATE465484 T1 AT E465484T1
Authority
AT
Austria
Prior art keywords
audio signal
melody
extracting
spectral representation
present
Prior art date
Application number
AT05790019T
Other languages
English (en)
Inventor
Frank Streitenberger
Martin Weis
Claas Derboven
Markus Cremer
Original Assignee
Gracenote Inc
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 Gracenote Inc filed Critical Gracenote Inc
Application granted granted Critical
Publication of ATE465484T1 publication Critical patent/ATE465484T1/de

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
    • G10H3/00—Instruments in which the tones are generated by electromechanical means
    • G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
    • G10H3/125—Extracting or recognising the pitch or fundamental frequency of the picked up signal
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • 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
    • 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
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/025—Envelope processing of music signals in, e.g. time domain, transform domain or cepstrum domain
    • G10H2250/031—Spectrum envelope processing
    • 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
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/131—Mathematical functions for musical analysis, processing, synthesis or composition
    • G10H2250/161—Logarithmic functions, scaling or conversion, e.g. to reflect human auditory perception of loudness or frequency
    • 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
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/131—Mathematical functions for musical analysis, processing, synthesis or composition
    • G10H2250/215—Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding or compression
    • G10H2250/235—Fourier transform; Discrete Fourier Transform [DFT]; Fast Fourier Transform [FFT]

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Auxiliary Devices For Music (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Electrophonic Musical Instruments (AREA)
AT05790019T 2004-10-11 2005-09-23 Verfahren und vorrichtung zur extraktion einer einem audiosignal zu grunde liegenden melodie ATE465484T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004049457A DE102004049457B3 (de) 2004-10-11 2004-10-11 Verfahren und Vorrichtung zur Extraktion einer einem Audiosignal zu Grunde liegenden Melodie
PCT/EP2005/010333 WO2006039994A2 (de) 2004-10-11 2005-09-23 Verfahren und vorrichtung zur extraktion einer einem audiosignal zu grunde liegenden melodie

Publications (1)

Publication Number Publication Date
ATE465484T1 true ATE465484T1 (de) 2010-05-15

Family

ID=35462427

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05790019T ATE465484T1 (de) 2004-10-11 2005-09-23 Verfahren und vorrichtung zur extraktion einer einem audiosignal zu grunde liegenden melodie

Country Status (8)

Country Link
US (1) US20060075884A1 (de)
EP (1) EP1797552B1 (de)
JP (1) JP2008516289A (de)
KR (1) KR20070062550A (de)
CN (1) CN101076850A (de)
AT (1) ATE465484T1 (de)
DE (2) DE102004049457B3 (de)
WO (1) WO2006039994A2 (de)

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Also Published As

Publication number Publication date
DE102004049457B3 (de) 2006-07-06
WO2006039994A2 (de) 2006-04-20
CN101076850A (zh) 2007-11-21
JP2008516289A (ja) 2008-05-15
KR20070062550A (ko) 2007-06-15
EP1797552B1 (de) 2010-04-21
US20060075884A1 (en) 2006-04-13
EP1797552A2 (de) 2007-06-20
WO2006039994A3 (de) 2007-04-19
DE502005009467D1 (de) 2010-06-02

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