ATE294440T1 - Vorrichtung zum analysieren eines audiosignals hinsichtlich von rhythmusinformationen des audiosignals unter verwendung einer autokorrelationsfunktion - Google Patents

Vorrichtung zum analysieren eines audiosignals hinsichtlich von rhythmusinformationen des audiosignals unter verwendung einer autokorrelationsfunktion

Info

Publication number
ATE294440T1
ATE294440T1 AT02742987T AT02742987T ATE294440T1 AT E294440 T1 ATE294440 T1 AT E294440T1 AT 02742987 T AT02742987 T AT 02742987T AT 02742987 T AT02742987 T AT 02742987T AT E294440 T1 ATE294440 T1 AT E294440T1
Authority
AT
Austria
Prior art keywords
audio signal
rhythm
information
sub
autocorrelation function
Prior art date
Application number
AT02742987T
Other languages
English (en)
Inventor
Juergen Herre
Jan Rohden
Christian Uhle
Markus Cremer
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 ATE294440T1 publication Critical patent/ATE294440T1/de

Links

Classifications

    • 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
    • G10L19/0208—Subband vocoders
    • 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
    • G10H1/36—Accompaniment arrangements
    • G10H1/40—Rhythm
    • 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
    • G10H2210/076—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 extraction of timing, tempo; Beat detection
    • 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
    • G10H2250/135—Autocorrelation
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Electrophonic Musical Instruments (AREA)
AT02742987T 2001-05-14 2002-05-10 Vorrichtung zum analysieren eines audiosignals hinsichtlich von rhythmusinformationen des audiosignals unter verwendung einer autokorrelationsfunktion ATE294440T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10123281A DE10123281C1 (de) 2001-05-14 2001-05-14 Vorrichtung und Verfahren zum Analysieren eines Audiosignals hinsichtlich von Rhythmusinformationen des Audiosignals unter Verwendung einer Autokorrelationsfunktion
PCT/EP2002/005171 WO2002093550A2 (de) 2001-05-14 2002-05-10 Vorrichtung zum analysieren eines audiosignals hinsichtlich von rhythmusinformationen unter verwendung einer autokorrelationsfunktion

Publications (1)

Publication Number Publication Date
ATE294440T1 true ATE294440T1 (de) 2005-05-15

Family

ID=7684650

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02742987T ATE294440T1 (de) 2001-05-14 2002-05-10 Vorrichtung zum analysieren eines audiosignals hinsichtlich von rhythmusinformationen des audiosignals unter verwendung einer autokorrelationsfunktion

Country Status (6)

Country Link
US (1) US7012183B2 (de)
EP (1) EP1371055B1 (de)
AT (1) ATE294440T1 (de)
DE (2) DE10123281C1 (de)
ES (1) ES2240762T3 (de)
WO (1) WO2002093550A2 (de)

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Also Published As

Publication number Publication date
US20040094019A1 (en) 2004-05-20
ES2240762T3 (es) 2005-10-16
EP1371055B1 (de) 2005-04-27
DE10123281C1 (de) 2002-10-10
EP1371055A2 (de) 2003-12-17
US7012183B2 (en) 2006-03-14
WO2002093550A3 (de) 2003-02-27
DE50202914D1 (de) 2005-06-02
WO2002093550A2 (de) 2002-11-21

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