EP3132445A1 - Procédé d'adaptation d'une représentation de contenu musicaux - Google Patents
Procédé d'adaptation d'une représentation de contenu musicauxInfo
- Publication number
- EP3132445A1 EP3132445A1 EP15718552.1A EP15718552A EP3132445A1 EP 3132445 A1 EP3132445 A1 EP 3132445A1 EP 15718552 A EP15718552 A EP 15718552A EP 3132445 A1 EP3132445 A1 EP 3132445A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- musical
- content
- musical content
- representation
- user
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
- G06F16/68—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/683—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
- G06F16/63—Querying
- G06F16/632—Query formulation
- G06F16/634—Query by example, e.g. query by humming
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
- G06F16/63—Querying
- G06F16/638—Presentation of query results
- G06F16/639—Presentation of query results using playlists
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
- G06F16/68—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/686—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using information manually generated, e.g. tags, keywords, comments, title or artist information, time, location or usage information, user ratings
-
- 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
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
-
- 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
- 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
- G11B27/34—Indicating arrangements
Definitions
- the invention relates to the adaptation of a representation of musical contents, in this case audio files according to the wishes of a user, and more particularly the modification of a representation of musical contents according to the indications of a musical content. user on the song being listened to.
- a representation of music pieces is the organization of a plurality of musical contents stored in a database.
- the representation may relate to the entire contents of the database or only part of the music pieces in the database.
- a representation of musical contents is in the form of a tree structure organized from genres, then artists, then albums, then pieces of an album.
- a database can include more than 500 artists, more than 10 albums per artist, which represents more than 5000 albums, and so on.
- This organization also generates a problem of insecurity when the database from which the representation is generated is embedded in a moving motor vehicle.
- a surface of direct interaction may be a surface such as a touch screen or any other type of interactive display surface.
- An indirect interaction surface may be a tactile remote control type touchpad, or "touchpad” in English.
- the invention aims first and foremost to optimize the search for a musical content when the user does not know exactly what he wants to listen, taking into account his remarks as to his desires of the moment. Instead of a classification by musical genre which complicates a classification of very different pieces of music, the aim of the invention is to organize a search according to the expected virtues. musical contents or sensitivities of the user, such as, for example, energizing or relaxing, or dark or positive, etc .;
- these axes do not generally correspond to the desires of the user but to a musical genre.
- Other parameters can also be used such as the date of publication of the albums, the names of the artists in alphabetical order, the frequency of listening, etc .... Axes of this type do not offer the user a effective search solution.
- Such axes may even give rise to different interpretations, like the musical genre, the interpretation of which may be subjective.
- the classification of music is usually done by a panel of experts who listen to the music. This methodology is subjective, fallible and long. It does not allow to quickly qualify the music to be able to position them in the musical cloud. In addition, in the event of the renewal of an expert, the new qualification will not be that which the former expert would have carried out.
- the invention thus, secondly, aims to overcome the aforementioned drawbacks by proposing an automated method for generating a musical cloud quickly from a musical database, without the intervention of experts.
- a representation of musical contents comprising the generation of the representation of the musical contents centered on a first musical content, and a reading of the musical content on which the representation is centered.
- the musical content on which the representation is centered is read as long as no action is taken by the user, and the method comprises the following steps:
- said representation being modified with each new reading of a musical content to be centered on the new musical content read.
- the method thus provides a rewarding musical experience by promoting the creation of a self - adaptive musical discovery path that requires the least amount of manipulation on the part of the user.
- the invention thus makes it possible to take into account the choices and the declarations of the user to refine the knowledge of the system on the user.
- the method also makes it possible to modify the representation of the musical contents from the first action of the user. If the user does not take any action, the sequence of pieces of The music of the representation, also called musical cloud, is randomly determined among the pieces of the musical cloud that have not yet been read, a random determination of the next being made at the end of each song playback.
- the representation as it was created and the modalities of interaction allow the user not to browse a tree to listen and discover musical contents, or pieces of music.
- the user can listen to music, and in another action, he can indicate that he appreciates or not the musical content to listen and influence the next musical contents that he will listen without as explicitly designate the next piece.
- the generation of the representation of the musical contents comprises the generation of the acoustic components of each musical content, or piece of music, contained in a musical database, the calculation of the acoustic proximity of each musical content, and the generation of the two-dimensional representation of the musical content of the database.
- the generation of such a representation makes it possible to optimize the representation obtained.
- the musical data are thus classified in a two-dimensional space whose axes do not have a fixed meaning, but a variable meaning according to the user.
- the axes can for example be related to the frequency of the voice component, the number of beats per minute, the frequency richness, the type of instrumentation, or the variations in sound level.
- the generation of the musical cloud is carried out by analyzing the sound signal of each musical content of the musical database.
- the analysis can be done in real time or in masked time. If the analysis is done in real time, the cloud evolves in its shape as the user adds pieces. If it is done in masked time, it is done in the background, while the user listens to the music but does not visualize the cloud that will be updated at the next visualization after adding pieces.
- the analysis of the characteristics of the sound signal of each musical content makes it possible to determine the distance that separates each musical content along two axes. These axes are generated automatically by a principal component analysis. Thus, the more musical content is close to another, more to the user 's ear, it will look similar. In this way, if the user appreciates the musical content that he is listening to, he knows that musical contents that are analytically close will please him.
- the musical cloud generated at the initiation of the adaptation process comprises all the musical contents of the database and is centered on the last musical content listened to by the user.
- the user can advantageously choose an action that does not end the reading of the current piece, among the indication that he likes the musical content being played, and the request to have musical contents similar to the piece thereafter. during playback.
- Actions that do not end playback of the music content allow the user to give a positive indication of the type of music content that they wish to listen to while still playing the current music content. Such a positive indication causes the generation of a preferred reading area comprising the musical content being played and similar musical contents.
- Such an indication thus makes it possible to increase the number of similar musical contents in the next musical contents to come, that is to say to increase the frequency with which similar musical contents are read. This while avoiding selecting music content similar to the currently playing song as the next music content to be played right after the currently playing music content for which the user has indicated that he or she likes that music content.
- the next musical content read will therefore be selected semi-randomly from a group of musical contents including all the other musical contents excluding music content being played and similar musical contents, musical contents read previously, and possibly excluding musical contents included in the musical reading area to be avoided.
- the choice is semi random in that the musical contents have already been restricted from the indications of the user.
- the request to subsequently have musical contents similar to the musical content being played causes the generation of a playlist with only musical contents similar to the musical content being played, the reading representation being modified to include only the musical contents of the generated play list.
- This request allows the user to request that the next music content read be musical content similar to the music content being played. Such a request makes it possible to exit the random or semi-random process by generating a playlist comprising a limited number of similar musical contents.
- the method may further comprise a step of storing the reading list thus generated, the storage being performed in response to a request from the user.
- the list can be modified according to the actions taken by the user as the music contents of the list are being listened to.
- a playlist can also be created from a user selection of a set of musical contents, the set being selected by user action on a touch screen, the action being traceable. a closed area, such as a circle, on the touch screen to delimit the musical contents to be selected, or the selection of musical contents using a path drawn between the musical contents indicated on the screen. .
- the first musical content to be listened to in the representation corresponds to the last musical content listened to, or is selected from among the last musical contents added to the database from which the representation is generated, or is chosen from among the musical contents a reading area to privilege.
- the user can choose an action terminating the playback of the current musical content among the request of the previous musical content, the request for the following musical content, the indication that he does not like the musical content being played. playback, and / or manual selection of new music content.
- the indication by the user that he does not like the musical content being played results in the generation of a musical reading zone to be avoided comprising the musical content being played and similar musical contents, the stop of the current playback, the selection of new musical content from the musical contents contained in the representation and excluded from the musical reading zone to be avoided and the reading of the new musical content selected.
- the music playback area to avoid includes the specified music content as well as similar musical content.
- the musical contents included in the music playback area to be avoided will be marked as music not to be selected, thus reducing the number of selectable musical contents.
- the indications that the user likes or does not like musical content are stored in a memory and counted as and when indicated. This accounting of the indications makes it possible to reduce the probability of a musical content being read, especially if each time an indication is given that the user does not like the musical content, or conversely to increase the probability that it will be read. especially if each time is indicated an indication that the user likes the musical content.
- a computer system comprising means configured to implement the method as defined above.
- a computer program product loadable directly into a memory of a computer system, comprising portions of software code for executing the method as defined above when said program is executed. by said computer system.
- a readable medium by a computer system having computer executable instructions adapted to cause the computer system to execute the method as defined above.
- FIG. 1 presents a flowchart of a method of adapting a representation of a group of pieces of music according to an embodiment of the invention
- FIG. 2 represents a flowchart of a method for generating the representation of a group of music pieces implemented in the method illustrated in FIG. 1.
- Figure 1 is schematically illustrated a flowchart of a method of adapting a representation of a musical content according to an embodiment of the invention.
- musical content we mean in particular a set of audio files for example coded, corresponding to these pieces of music.
- a first step 100 the adaptation process is initiated by the selection of a command requiring the launch of a musical cloud.
- a musical cloud comprising a number K of music pieces from a musical database is generated from a method of generating the representation of a group of pieces of music as presented on Figure 2.
- step 102 comprises, in a first step 200, the loading of the K pieces of a musical database, and in a second step 202, the generation of the acoustic components of each of the K pieces loaded. then, in a third step 204, a computation of the acoustic proximity of each loaded piece, and finally, in a fourth step 206, the generation of the musical cloud representation organized according to two dimensions of the pieces of music.
- the analysis of the acoustic components of the sound signal of each piece makes it possible to determine the distance that separates each piece along two axes. These axes are generated automatically by a principal component analysis.
- ACP The principal components analysis, denoted ACP, is a method of data analysis of the family of multivariate statistics, which consists in transforming correlated variables into new variables uncorrelated with each other. These new variables are named "principal components", or main axes. It generally reduces the number of variables and makes the information less redundant. It is a geometric approach, the variables being represented in a new space according to maximum inertia directions, and statistically, the research on independent axes explaining at best the variability of the data.
- the K song musical cloud is changed to focus on the last piece of music in the song group listened to by the user.
- the musical cloud could be centered on a piece chosen from the last pieces added to the musical database, or on a piece chosen from the reading zone to be privileged.
- a next step 106 the piece of music on which the musical cloud is centered is played back so that the user can listen to it.
- a next step 108 it is tested whether an action has been taken by the user.
- Step 1 10 If no action is taken, playback of the piece of music is continued without interruption (step 1 10). Steps 108 and 110 are repeated as long as no action is taken by the user until the playback of the piece of music is complete.
- the playlist includes a number less than K of music tracks.
- a playlist has been selected initially, it is checked, in a step 1 15, if the playlist is complete. If it is complete, return to step 102 by centering the musical cloud of K musical content on the last piece of music played.
- the next song of the playlist is selected in a step 1 16, and the selected song is played in a step 1 18.
- the musical cloud is then modified, in a step 120, so that it is centered on the new piece being played.
- the process then resumes in step 108.
- a new song is selected in a step 1 17.
- the selection is made semi-randomly from the unread pieces of the musical cloud.
- step 108 If a user action is detected during step 108, it is determined in a step 122 what action has been taken by the user.
- step 124 the current play is interrupted and the piece previously listened to by the user is selected. The process then proceeds to step 1 18 in which the selected song is played, and to step 120 in which the musical cloud is re-centered on the song being played.
- step 126 the current play is interrupted and another piece of music is selected in a semi random manner.
- the selection is done semi-randomly because it is performed among all the pieces of music in the cloud, but with the condition that the new piece is removed, in terms of principal components, from the piece that has just been interrupted. outside a reading zone to avoid, and that it is preferentially in a preferred reading area.
- the process then proceeds to step 1 18 in which the selected song is played, and to step 120 in which the musical cloud is re-centered on the song being played.
- a music play area to be avoided is generated.
- the music playback area to avoid includes the audio file in reading lessons and similar pieces, that is, the closest pieces according to the principal component analysis.
- the nearest pieces will be defined for example as pieces having less than 5% deviation from one or more main components of the PCA analysis. Other definitions can also be envisaged.
- the playback of the current audio file is interrupted and a new file is selected from the musical contents of the musical cloud that are excluded from the music playing area to be avoided. The process then proceeds to step 1 18 in which the selected song is played, and to step 120 in which the musical cloud is re-centered on the song being played.
- step 128 includes adding the currently playing song and similar pieces to the music playing area to be avoided.
- a preferred music playing area is generated.
- the preferred music playback area includes the song being played and similar songs. Playback of the current song is maintained, and the process returns to step 108 to detect any other actions taken by the user or to detect the end of the current song in step 1 12 if no further action is taken. is undertaken.
- a specific playlist is generated.
- the specific playlist includes the song being played and songs that are similar to the song being played.
- the musical cloud is modified to match the specific playlist generated. Playback of the current song is maintained, and the method returns to step 108 to detect any other actions taken by the user or to detect the end of the current song in step 1 12 if no further action is taken.
- Such a method can be implemented by an electronic system or software means.
- the system or means implementing this method can be embedded in a motor vehicle.
- the invention thus provides an automated method, as well as a system for interaction with a user implementing the method, for quickly and automatically generating a musical cloud from a musical database and creating and adapting playlists in the musical cloud based on the wishes of the user by minimizing the manipulations of the user.
- the reduction in the number of manipulations thus makes it possible to create a safer interface, particularly for use on board a motor vehicle.
- the method implemented is the most sustainable possible by taking into account the choices and statements of the user to refine the knowledge of the system on the user.
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Library & Information Science (AREA)
- Mathematical Physics (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1453481A FR3020156B1 (fr) | 2014-04-17 | 2014-04-17 | Procede d'adaptation d'une representation de contenus musicaux |
| PCT/FR2015/050950 WO2015158997A1 (fr) | 2014-04-17 | 2015-04-09 | Procédé d'adaptation d'une représentation de contenu musicaux |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3132445A1 true EP3132445A1 (fr) | 2017-02-22 |
Family
ID=52003880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15718552.1A Withdrawn EP3132445A1 (fr) | 2014-04-17 | 2015-04-09 | Procédé d'adaptation d'une représentation de contenu musicaux |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20170124187A1 (fr) |
| EP (1) | EP3132445A1 (fr) |
| CN (1) | CN106463154A (fr) |
| FR (1) | FR3020156B1 (fr) |
| WO (1) | WO2015158997A1 (fr) |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2372682B (en) * | 1999-11-10 | 2004-07-28 | Launch Media Inc | Broadcast method and system |
| US7962482B2 (en) * | 2001-05-16 | 2011-06-14 | Pandora Media, Inc. | Methods and systems for utilizing contextual feedback to generate and modify playlists |
| US7243104B2 (en) * | 2003-05-30 | 2007-07-10 | Aol Llc | Personalizing content using an intermediary bridge |
| EP1489765A3 (fr) * | 2003-06-17 | 2005-12-14 | Matsuhita Electric Industrial Co., Ltd. | Système de selection de musique et système de distribution de musique |
| EP1489617A1 (fr) * | 2003-06-19 | 2004-12-22 | Matsuhita Electric Industrial Co., Ltd. | Dispositif et procédé de reproduction de musique |
| JP4622829B2 (ja) * | 2005-11-29 | 2011-02-02 | 日本ビクター株式会社 | 楽曲検索再生装置、楽曲検索再生方法、印象語設定プログラム |
| JP4296514B2 (ja) * | 2006-01-23 | 2009-07-15 | ソニー株式会社 | 音楽コンテンツ再生装置、音楽コンテンツ再生方法及び音楽コンテンツ再生プログラム |
| WO2008107986A1 (fr) * | 2007-03-07 | 2008-09-12 | Pioneer Corporation | Dispositif et procédé d'inspection de données |
| CN102543119A (zh) * | 2011-12-31 | 2012-07-04 | 北京百纳威尔科技有限公司 | 基于场景的音乐播放处理方法和音乐播放设备 |
| WO2013144993A1 (fr) * | 2012-03-26 | 2013-10-03 | パイオニア株式会社 | Procédé d'affichage, procédé permettant de sélectionner un morceau de musique, dispositif d'affichage, dispositif audio et programme |
| US9459768B2 (en) * | 2012-12-12 | 2016-10-04 | Smule, Inc. | Audiovisual capture and sharing framework with coordinated user-selectable audio and video effects filters |
| US20150082238A1 (en) * | 2013-09-18 | 2015-03-19 | Jianzhong Meng | System and method to display and interact with a curve items list |
| US10129314B2 (en) * | 2015-08-18 | 2018-11-13 | Pandora Media, Inc. | Media feature determination for internet-based media streaming |
-
2014
- 2014-04-17 FR FR1453481A patent/FR3020156B1/fr not_active Expired - Fee Related
-
2015
- 2015-04-09 CN CN201580023192.0A patent/CN106463154A/zh active Pending
- 2015-04-09 US US15/304,441 patent/US20170124187A1/en not_active Abandoned
- 2015-04-09 WO PCT/FR2015/050950 patent/WO2015158997A1/fr not_active Ceased
- 2015-04-09 EP EP15718552.1A patent/EP3132445A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US20170124187A1 (en) | 2017-05-04 |
| FR3020156B1 (fr) | 2016-06-03 |
| CN106463154A (zh) | 2017-02-22 |
| WO2015158997A1 (fr) | 2015-10-22 |
| FR3020156A1 (fr) | 2015-10-23 |
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