DE50202914D1 - 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
DE50202914D1
DE50202914D1 DE50202914T DE50202914T DE50202914D1 DE 50202914 D1 DE50202914 D1 DE 50202914D1 DE 50202914 T DE50202914 T DE 50202914T DE 50202914 T DE50202914 T DE 50202914T DE 50202914 D1 DE50202914 D1 DE 50202914D1
Authority
DE
Germany
Prior art keywords
audio signal
rhythm
information
autocorrelation function
sub
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE50202914T
Other languages
English (en)
Inventor
Juergen Herre
Jan Rohden
Christian Uhle
Markus Cremer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gracenote Inc
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Priority to DE50202914T priority Critical patent/DE50202914D1/de
Application granted granted Critical
Publication of DE50202914D1 publication Critical patent/DE50202914D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE50202914T 2001-05-14 2002-05-10 Vorrichtung zum analysieren eines audiosignals hinsichtlich von rhythmusinformationen des audiosignals unter verwendung einer autokorrelationsfunktion Expired - Lifetime DE50202914D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50202914T DE50202914D1 (de) 2001-05-14 2002-05-10 Vorrichtung zum analysieren eines audiosignals hinsichtlich von rhythmusinformationen des audiosignals unter verwendung einer autokorrelationsfunktion

Applications Claiming Priority (3)

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
DE50202914T DE50202914D1 (de) 2001-05-14 2002-05-10 Vorrichtung 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
DE50202914D1 true DE50202914D1 (de) 2005-06-02

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
DE10123281A Expired - Fee Related DE10123281C1 (de) 2001-05-14 2001-05-14 Vorrichtung und Verfahren zum Analysieren eines Audiosignals hinsichtlich von Rhythmusinformationen des Audiosignals unter Verwendung einer Autokorrelationsfunktion
DE50202914T Expired - Lifetime DE50202914D1 (de) 2001-05-14 2002-05-10 Vorrichtung zum analysieren eines audiosignals hinsichtlich von rhythmusinformationen des audiosignals unter verwendung einer autokorrelationsfunktion

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10123281A Expired - Fee Related DE10123281C1 (de) 2001-05-14 2001-05-14 Vorrichtung und Verfahren 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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CN105741835B (zh) * 2016-03-18 2019-04-16 腾讯科技（深圳）有限公司 一种音频信息处理方法及终端
US9697849B1 (en) 2016-07-25 2017-07-04 Gopro, Inc. Systems and methods for audio based synchronization using energy vectors
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Also Published As

Publication number Publication date
US7012183B2 (en) 2006-03-14
WO2002093550A2 (de) 2002-11-21
ES2240762T3 (es) 2005-10-16
ATE294440T1 (de) 2005-05-15
DE10123281C1 (de) 2002-10-10
EP1371055B1 (de) 2005-04-27
WO2002093550A3 (de) 2003-02-27
EP1371055A2 (de) 2003-12-17
US20040094019A1 (en) 2004-05-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: GRACENOTE, INC., (N. D .GES. D. STAATES DELAWA, US

8328 Change in the person/name/address of the agent

Representative=s name: SCHOPPE, ZIMMERMANN, STOECKELER & ZINKLER, 82049 P