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 PDFInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000007704 transition Effects 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 6
- 230000003595 spectral effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 235000020030 perry Nutrition 0.000 description 1
- 230000001020 rhythmical effect Effects 0.000 description 1
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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
-
- 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
- G10H1/0025—Automatic or semi-automatic music composition, e.g. producing random music, applying rules from music theory or modifying a musical 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
- G10H1/00—Details of electrophonic musical instruments
- G10H1/46—Volume control
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; 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
-
- 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
- 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
- G10H2210/101—Music Composition or musical creation; Tools or processes therefor
- G10H2210/125—Medley, i.e. linking parts of different musical pieces in one single piece, e.g. sound collage, DJ mix
-
- 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
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).
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)
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)
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 |
-
2006
- 2006-09-20 WO PCT/IB2006/053388 patent/WO2007036844A2/fr active Application Filing
Cited By (4)
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 |
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