DK1368805T3 - Fremgangsmåde og anordning til at karakterisere et signal og fremgangsmåde og anordning til at frembringe et indekseret signal - Google Patents

Fremgangsmåde og anordning til at karakterisere et signal og fremgangsmåde og anordning til at frembringe et indekseret signal

Info

Publication number
DK1368805T3
DK1368805T3 DK02718164T DK02718164T DK1368805T3 DK 1368805 T3 DK1368805 T3 DK 1368805T3 DK 02718164 T DK02718164 T DK 02718164T DK 02718164 T DK02718164 T DK 02718164T DK 1368805 T3 DK1368805 T3 DK 1368805T3
Authority
DK
Denmark
Prior art keywords
signal
characterizing
generating
indexed
tonality
Prior art date
Application number
DK02718164T
Other languages
English (en)
Inventor
Bernhard Froeba
Eric Allamanche
Juergen Herre
Oliver Hellmuth
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of DK1368805T3 publication Critical patent/DK1368805T3/da

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
    • G10H1/0033—Recording/reproducing or transmission of music for 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
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/0008—Associated control or indicating means
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • 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
    • G10H2210/081—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 automatic key or tonality recognition, e.g. using musical rules or a knowledge base
    • 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
    • G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
    • G10H2240/011—Files or data streams containing coded musical information, e.g. for transmission
    • G10H2240/046—File format, i.e. specific or non-standard musical file format used in or adapted for electrophonic musical instruments, e.g. in wavetables
    • G10H2240/061—MP3, i.e. MPEG-1 or MPEG-2 Audio Layer III, lossy audio compression
    • 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
    • G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
    • G10H2240/121—Musical libraries, i.e. musical databases indexed by musical parameters, wavetables, indexing schemes using musical parameters, musical rule bases or knowledge bases, e.g. for automatic composing methods
    • G10H2240/131—Library retrieval, i.e. searching a database or selecting a specific musical piece, segment, pattern, rule or parameter set
    • G10H2240/135—Library retrieval index, i.e. using an indexing scheme to efficiently retrieve a music piece
    • 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]
    • 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
    • G10H2250/541—Details of musical waveform synthesis, i.e. audio waveshape processing from individual wavetable samples, independently of their origin or of the sound they represent
    • G10H2250/571—Waveform compression, adapted for music synthesisers, sound banks or wavetables
    • G10H2250/601—Compressed representations of spectral envelopes, e.g. LPC [linear predictive coding], LAR [log area ratios], LSP [line spectral pairs], reflection coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Communication Control (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Auxiliary Devices For Music (AREA)
DK02718164T 2001-02-28 2002-02-26 Fremgangsmåde og anordning til at karakterisere et signal og fremgangsmåde og anordning til at frembringe et indekseret signal DK1368805T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10109648A DE10109648C2 (de) 2001-02-28 2001-02-28 Verfahren und Vorrichtung zum Charakterisieren eines Signals und Verfahren und Vorrichtung zum Erzeugen eines indexierten Signals
PCT/EP2002/002005 WO2002073592A2 (de) 2001-02-28 2002-02-26 Verfahren und vorrichtung zum charakterisieren eines signals und verfahren und vorrichtung zum erzeugen eines indexierten signals

Publications (1)

Publication Number Publication Date
DK1368805T3 true DK1368805T3 (da) 2004-11-22

Family

ID=7675809

Family Applications (1)

Application Number Title Priority Date Filing Date
DK02718164T DK1368805T3 (da) 2001-02-28 2002-02-26 Fremgangsmåde og anordning til at karakterisere et signal og fremgangsmåde og anordning til at frembringe et indekseret signal

Country Status (9)

Country Link
US (1) US7081581B2 (da)
EP (1) EP1368805B1 (da)
JP (1) JP4067969B2 (da)
AT (1) ATE274225T1 (da)
AU (1) AU2002249245A1 (da)
DE (2) DE10109648C2 (da)
DK (1) DK1368805T3 (da)
ES (1) ES2227453T3 (da)
WO (1) WO2002073592A2 (da)

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US7027983B2 (en) * 2001-12-31 2006-04-11 Nellymoser, Inc. System and method for generating an identification signal for electronic devices
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DE102004036154B3 (de) * 2004-07-26 2005-12-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur robusten Klassifizierung von Audiosignalen sowie Verfahren zu Einrichtung und Betrieb einer Audiosignal-Datenbank sowie Computer-Programm
DE102004047069A1 (de) * 2004-09-28 2006-04-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Ändern einer Segmentierung eines Audiostücks
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US7923624B2 (en) * 2008-06-19 2011-04-12 Solar Age Technologies Solar concentrator system
CN101847412B (zh) * 2009-03-27 2012-02-15 华为技术有限公司 音频信号的分类方法及装置
US8620967B2 (en) * 2009-06-11 2013-12-31 Rovi Technologies Corporation Managing metadata for occurrences of a recording
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Also Published As

Publication number Publication date
US20040074378A1 (en) 2004-04-22
JP2004530153A (ja) 2004-09-30
US7081581B2 (en) 2006-07-25
ES2227453T3 (es) 2005-04-01
DE10109648A1 (de) 2002-09-12
WO2002073592A3 (de) 2003-10-02
WO2002073592A2 (de) 2002-09-19
ATE274225T1 (de) 2004-09-15
DE10109648C2 (de) 2003-01-30
AU2002249245A1 (en) 2002-09-24
EP1368805B1 (de) 2004-08-18
EP1368805A2 (de) 2003-12-10
JP4067969B2 (ja) 2008-03-26
DE50200869D1 (de) 2004-09-23

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