+

WO2007036844A2 - Procede et dispositif d'analyse automatique des structures de contenu audio - Google Patents

Procede et dispositif d'analyse automatique des structures de contenu audio Download PDF

Info

Publication number
WO2007036844A2
WO2007036844A2 PCT/IB2006/053388 IB2006053388W WO2007036844A2 WO 2007036844 A2 WO2007036844 A2 WO 2007036844A2 IB 2006053388 W IB2006053388 W IB 2006053388W WO 2007036844 A2 WO2007036844 A2 WO 2007036844A2
Authority
WO
WIPO (PCT)
Prior art keywords
content item
audio content
location
outro
time interval
Prior art date
Application number
PCT/IB2006/053388
Other languages
English (en)
Other versions
WO2007036844A3 (fr
Inventor
Aweke N. Lemma
Francesco F. M. Zijderveld
Original Assignee
Koninklijke Philips Electronics N.V.
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 Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of WO2007036844A2 publication Critical patent/WO2007036844A2/fr
Publication of WO2007036844A3 publication Critical patent/WO2007036844A3/fr

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/0008Associated control or indicating means
    • G10H1/0025Automatic or semi-automatic music composition, e.g. producing random music, applying rules from music theory or modifying a musical piece
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/46Volume control
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H2210/00Aspects 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
    • G10H2210/031Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • G10H2210/076Musical 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H2210/00Aspects 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
    • G10H2210/101Music Composition or musical creation; Tools or processes therefor
    • G10H2210/125Medley, i.e. linking parts of different musical pieces in one single piece, e.g. sound collage, DJ mix
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H2250/00Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/025Envelope processing of music signals in, e.g. time domain, transform domain or cepstrum domain
    • G10H2250/031Spectrum envelope processing

Definitions

  • the audio content item may be the analogue or digital audio component of a multimedia file or it may be a music track or song.
  • Equations 1 and 2 above the end of the intro EOI of the track is located, in the example shown in figure 3, as EOI BS , graphical shown on the time line 370, and the start of the outro SOO of the track is located as SOO LVL as graphical shown on the time line 370.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Auxiliary Devices For Music (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)

Abstract

L'invention concerne un procédé et un dispositif qui permettent de déterminer l'introduction et/ou la conclusion d'un article de contenu audio où l'emplacement (EOIBS; SOOBS) dans lequel la force de battement de l'article de contenu audio se maintient au-dessus d'un premier niveau seuil pendant un intervalle de temps minimum, et l'emplacement (EOILVL; SOOLVL) dans lequel le niveau de signal de l'article de contenu audio s'est maintenu au-dessus d'un second niveau seuil pendant un intervalle de temps minimum, sont utilisés pour identifier la fin de l'introduction (EOI) et/ou le début de la conclusion (SOO).
PCT/IB2006/053388 2005-09-30 2006-09-20 Procede et dispositif d'analyse automatique des structures de contenu audio WO2007036844A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05109084 2005-09-30
EP05109084.3 2005-09-30

Publications (2)

Publication Number Publication Date
WO2007036844A2 true WO2007036844A2 (fr) 2007-04-05
WO2007036844A3 WO2007036844A3 (fr) 2007-07-19

Family

ID=37852301

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/053388 WO2007036844A2 (fr) 2005-09-30 2006-09-20 Procede et dispositif d'analyse automatique des structures de contenu audio

Country Status (1)

Country Link
WO (1) WO2007036844A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10101960B2 (en) * 2015-05-19 2018-10-16 Spotify Ab System for managing transitions between media content items

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002341888A (ja) * 2001-05-18 2002-11-29 Pioneer Electronic Corp ビート密度検出装置と情報再生装置
JP3886372B2 (ja) * 2001-12-13 2007-02-28 松下電器産業株式会社 音響変節点抽出装置及びその方法、音響再生装置及びその方法、音響信号編集装置、音響変節点抽出方法プログラム記録媒体、音響再生方法プログラム記録媒体、音響信号編集方法プログラム記録媒体、音響変節点抽出方法プログラム、音響再生方法プログラム、音響信号編集方法プログラム

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10101960B2 (en) * 2015-05-19 2018-10-16 Spotify Ab System for managing transitions between media content items
US10599388B2 (en) 2015-05-19 2020-03-24 Spotify Ab System for managing transitions between media content items
US11262974B2 (en) 2015-05-19 2022-03-01 Spotify Ab System for managing transitions between media content items
US11829680B2 (en) 2015-05-19 2023-11-28 Spotify Ab System for managing transitions between media content items

Also Published As

Publication number Publication date
WO2007036844A3 (fr) 2007-07-19

Similar Documents

Publication Publication Date Title
US11461389B2 (en) Transitions between media content items
EP1377959B1 (fr) Systeme et procede de determination du nombre de temps par minute
TWI861142B (zh) 聽感增強系統和將一個或多個數位媒體聲軌中的音頻片段與時間性變化事件資料對齊以組成媒體產品的相關方法
US8069036B2 (en) Method and apparatus for processing audio for playback
US8918316B2 (en) Content identification system
CN107203571B (zh) 歌曲旋律信息处理方法和装置
Arzt et al. Fast Identification of Piece and Score Position via Symbolic Fingerprinting.
US7214868B2 (en) Acoustic signal processing apparatus and method, signal recording apparatus and method and program
US8543387B2 (en) Estimating pitch by modeling audio as a weighted mixture of tone models for harmonic structures
CN102568454B (zh) 一种分析音乐bpm的方法和装置
CN104978962A (zh) 哼唱检索方法及系统
US20110067555A1 (en) Tempo detecting device and tempo detecting program
Holzapfel et al. Beat tracking using group delay based onset detection
CN101399035A (zh) 从音频文件提取节拍的方法和设备
CN102543052B (zh) 一种分析音乐bpm的方法和装置
US7276656B2 (en) Method for music analysis
WO2015170126A1 (fr) Procédés, systèmes et produits programme d'ordinateur pour identifier des points communs rythmiques entre des pistes musicales disparates et utiliser ces informations pour réaliser des recommandations de musique
WO2007036844A2 (fr) Procede et dispositif d'analyse automatique des structures de contenu audio
CA2439596C (fr) Procede et appareil permettant d'identifier des fichiers electroniques
CN111976329A (zh) 一种乐器弹奏中的五线谱自动跟随方法及自动跟踪系统
Gainza et al. Tempo detection using a hybrid multiband approach
US7251597B2 (en) Method for tracking a pitch signal
WO2007036846A2 (fr) Procede et dispositif d'analyse automatique de structures de pistes musicales
Bhatta et al. Laya Estimation for Hindustani Classical Vocals, Devoid of Rhythmic Indicators
Gärtner Tempo estimation from urban music using non-negative matrix factorization

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 06821122

Country of ref document: EP

Kind code of ref document: A2

点击 这是indexloc提供的php浏览器服务,不要输入任何密码和下载