WO2013114421A1 - Système d'affichage, système de commande d'affichage, matériel audio, procédé d'affichage et programme - Google Patents

Système d'affichage, système de commande d'affichage, matériel audio, procédé d'affichage et programme Download PDF

Info

Publication number
WO2013114421A1
WO2013114421A1 PCT/JP2012/000562 JP2012000562W WO2013114421A1 WO 2013114421 A1 WO2013114421 A1 WO 2013114421A1 JP 2012000562 W JP2012000562 W JP 2012000562W WO 2013114421 A1 WO2013114421 A1 WO 2013114421A1
Authority
WO
WIPO (PCT)
Prior art keywords
attribute
fitness
music
display
unit
Prior art date
Application number
PCT/JP2012/000562
Other languages
English (en)
Japanese (ja)
Inventor
勘太 大江
一博 谷戸
隆典 原田
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to PCT/JP2012/000562 priority Critical patent/WO2013114421A1/fr
Publication of WO2013114421A1 publication Critical patent/WO2013114421A1/fr

Links

Images

Classifications

    • 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
    • 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
    • G10H2220/00—Input/output interfacing specifically adapted for electrophonic musical tools or instruments
    • G10H2220/005—Non-interactive screen display of musical or status data
    • 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
    • G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
    • G10H2240/121—Musical libraries, i.e. musical databases indexed by musical parameters, wavetables, indexing schemes using musical parameters, musical rule bases or knowledge bases, e.g. for automatic composing methods
    • G10H2240/131—Library retrieval, i.e. searching a database or selecting a specific musical piece, segment, pattern, rule or parameter set

Definitions

  • the present invention relates to a display system, a display control device, an audio device, a display method, and a program for presenting information for efficiently searching for desired content.
  • search items such as the age and genre of the released music are displayed one after another, and the corresponding music is based on the user's response to that.
  • search device that extracts and presents (for example, Patent Document 1).
  • DJ software that displays music parameters such as BPM and KEY is also known as a clue to search for a desired music (for example, Non-Patent Document 1).
  • Patent Document 1 when the technique of Patent Document 1 is used, it is assumed that the user knows the optimum BPM and KEY for a mix with a certain piece of music. For this reason, DJ beginners and general users cannot input appropriate answers to the presented search items, and as a result, there is a problem that music suitable for mixing cannot be extracted. Further, in the case of a DJ device, it is required to quickly select a music according to the atmosphere of the place. However, in the technique of Patent Literature 1, it is necessary to input answers for a plurality of search items. There is also a problem that it takes time.
  • Non-Patent Document 1 when the browse function of Non-Patent Document 1 is used, although the trouble of inputting the answer to the search item can be omitted, if it is a DJ beginner, it is determined whether or not the music is suitable for mixing only by looking at the music parameters. Cannot judge instantly. In particular, when a large number of attribute items such as BPM, KEY, and genre are displayed as music parameters, it is assumed that the user is at a loss.
  • an object of the present invention is to provide a display system, a display control device, an audio device, a display method, and a program for easily and quickly searching for music suitable for mix reproduction.
  • the display system of the present invention is a display system that displays the inter-content fitness of two or more contents, and relates to two or more contents, a parameter acquisition unit that acquires parameters for a plurality of attributes, and each acquired attribute An fitness determination unit that determines the attribute fitness that is the fitness for each attribute based on the parameters of the above, an fitness display unit that displays a plurality of attribute fitness determined for each attribute as the inter-content fitness, It is provided with.
  • the display control device of the present invention is a display control device for displaying the inter-content fitness of two or more contents, a parameter acquisition unit that acquires parameters for a plurality of attributes for two or more contents, Based on the acquired parameters for each attribute, the fitness determination unit that determines the attribute fitness that is the fitness for each attribute, and the plurality of attribute fitness determined for each attribute as the inter-content fitness are displayed on the display screen. And a display control unit for displaying.
  • the display method of the present invention is a display method for displaying the inter-content fitness of two or more contents, a parameter acquisition step for acquiring parameters for a plurality of attributes for two or more contents, and for each acquired attribute An fitness determination step for determining an attribute fitness that is an fitness for each attribute based on the parameters of the above; an fitness display step for displaying a plurality of attribute fitness determined for each attribute as the inter-content fitness; It is characterized by performing.
  • the inter-content fitness of two or more contents since the inter-content fitness of two or more contents is displayed, it is possible to determine whether or not the content is adaptable at a glance (whether it is suitable for mixing). Further, since a plurality of attribute fitness levels are displayed as the inter-content fitness levels, it is possible to check which attribute is suitable for the mix. For example, it is conceivable to display attribute adaptability such as BPM and KEY as a plurality of attribute adaptability. Thereby, it is possible to easily and quickly find a music suitable for a mix having BPM and KEY close to the music being reproduced.
  • the “inter-content fitness of two or more contents” refers to the adaptability of the other content with respect to one content in the case of two contents.
  • the “inter-content fitness” does not necessarily have to be a fitness based on a mix. For example, if the content is a video, the discomfort when two videos are played simultaneously on adjacent screens or the discomfort when the two videos are played back continuously is displayed as “inter-content fitness”. May be.
  • “content” is a concept including information composed of text or a combination thereof in addition to music (music) and video (image).
  • Attribute when the content is a music piece, BPM, KEY, melody, harmony, rhythm, genre, and the like related to “music analysis result” can be considered. Attributes not related to "music analysis result” include content identification information, title name, producer (artist, composer, etc.), label, rate, database registration date, content last update date, content length. In addition, metadata and tag information including the number of times the content has been played can be considered.
  • the fitness level display unit displays a plurality of attribute fitness levels by a shape, a score, or a combination of them and a color.
  • the fitness display unit displays a plurality of attribute fitness in the form of a radar chart.
  • the overall evaluation (inter-content adaptability) of a plurality of attribute adaptability can be indicated by the area in the polygon of the radar chart.
  • a reproduction candidate display unit that displays a plurality of contents that are candidates for reproduction sorted in an order according to any one of a plurality of attribute fitness levels, and a radar that rotates a radar chart And a chart rotation operation unit, wherein the reproduction candidate display unit sorts and displays a plurality of contents according to the attribute fitness of the attribute assigned to the axis extending in a predetermined direction from the center of the radar chart.
  • the sort condition can be easily switched by rotating the radar chart.
  • the inter-content fitness may be calculated based on a plurality of attribute fitness, and a plurality of contents that are reproduction candidates may be displayed in the order according to the inter-content fitness.
  • the sort condition may be selectable from the attribute fitness of each attribute and the inter-content fitness.
  • the display system further includes an attribute selection unit that allows the user to arbitrarily select a plurality of attributes from a plurality of attribute candidates, and the parameter acquisition unit sets parameters for the plurality of attributes selected by the attribute selection unit. It is characterized by acquiring.
  • the attribute can be selected according to the user's preference and usage. As a result, the content desired by the user can be found more quickly.
  • the parameter acquisition unit is selected by the attribute selection unit when displaying a plurality of attribute fitness values on the radar chart and the number of attributes selected by the attribute selection unit is smaller than the number of axes of the radar chart. Parameters for attributes other than attributes (predetermined attributes) are also acquired at the same time.
  • the display system further includes a content selection unit that selects a content to be reproduced next from the plurality of contents displayed on the reproduction candidate display unit, and the fitness determination unit performs the next operation on the content being reproduced. It is characterized in that the attribute adaptability of the content to be reproduced is determined.
  • the parameter acquisition unit acquires parameters in a partial section of each of two or more contents.
  • the attribute adaptability can be displayed for BPM and KEY of only the top part of content (for several seconds, for several beats).
  • a more appropriate attribute fitness in a partial section (mix target section) to be mixed can be displayed for music whose BPM changes or modulates in the middle.
  • the above display system is characterized by further comprising a section designating section for designating a partial section for each content.
  • the partial section is a mixed target section in which two or more contents are mixed and played back, and the section specifying unit specifies the start point or end point of the partial section for each content. It is characterized by.
  • the mix target section can be designated according to the user's preference.
  • the mix target section can be specified more easily.
  • the length of the partial section is automatically set in consideration of BPM or the like.
  • the length of the partial section may be a fixed value.
  • a playback history acquisition unit that acquires a playback history of content, and a table generation unit that calculates and tabulates attribute adaptability between two or more parameters related to an arbitrary attribute based on the playback history;
  • the fitness determination unit refers to the table to determine the attribute fitness.
  • the attribute fitness can be determined by a simple process. For example, when the attribute is a content producer, if the content of the producer A and the producer B has been mixed and played back in the past, the attribute fitness is increased, and conversely the mix has not been played back. It may be possible to generate a table for each combination of two or more producers, such as setting the attribute fitness low.
  • the fitness level display unit displays a plurality of attribute fitness levels and a combined fitness level obtained by adding the plurality of attribute fitness levels in a switchable manner.
  • the acoustic device of the present invention includes the above display system or the above display control device, and a content reproduction unit that reproduces content.
  • the program of the present invention causes a computer to execute each step in the above display method.
  • the display system further includes a content playback unit that plays back content, and a playback candidate display unit that displays a plurality of playback candidate content, and the fitness determination unit displays playback candidate display for the content being played back.
  • the attribute adaptability of each content displayed in the section is determined.
  • the parameter acquisition unit dynamically acquires the parameters of the playback section including the playback point being played at the present time for the content being played back.
  • the attribute adaptability can be dynamically determined according to, for example, the current BPM or KEY of the content being played back. This makes it possible to search for the next content that is more suitable for BPM and KEY in the playback section in the situation of “I want to mix now”. Further, when the adjustment range of the reproduction speed can be varied, it can be considered that the fitness of the BPM is determined according to the adjustment range.
  • the fitness determination unit determines the attribute fitness based on the relative values of parameters of two or more contents.
  • the attribute adaptability can be determined by a simple process based on the relative value (matching degree or difference) of the parameters.
  • a difference in BPM, a shift amount of KEY on the fifth degree, and the like can be considered.
  • the “fifth degree” refers to a tonality space in which each of the 12 major and minor keys is arranged in an annular shape, and the subgenus is arranged in the clockwise direction and the counterclockwise direction in each key. A combination of major and minor keys located at the same angle is a parallel tone. For this reason, the tonality located closer to the fifth degree includes more common pitches, and it becomes difficult to generate a dissonance when mixed.
  • PC It is a block diagram of PC concerning one Embodiment of this invention. It is a figure which shows the example of a display of the operation screen of a file music player. It is a functional block diagram of PC. It is a figure which shows the calculation reference
  • FIG. 1 is a configuration diagram showing a schematic configuration of a PC 10 (display system, display control device, acoustic device).
  • the PC 10 includes a display unit 11 (display screen), an operation unit 12, an external storage device interface unit (hereinafter referred to as “external storage device I / F unit”) 13, a communication unit 14, and a control.
  • the storage unit 16 the reproduction processing unit 17, and the audio output unit 18, a bus 19 for connecting them is provided.
  • the display unit 11 displays an operation screen D0 (see FIG. 2) of the file music player on the display screen.
  • the present embodiment is characterized in that the mix degree (fitness) between two music pieces (contents) is displayed in the mix degree display area Eb of the operation screen D0.
  • the “mix degree” is an index that quantitatively represents the degree of compatibility when two music pieces are mixed and reproduced with a certain rule. That is, if the degree of mixing is high, it means that two music pieces can be mixed and reproduced without a sense of incongruity.
  • this embodiment by presenting the degree of mixing to the user, even a DJ beginner can easily select a music piece quickly and realize mixed reproduction. Details will be described later.
  • the operation unit 12 includes a mouse, a keyboard, a touch pad, and the like, and is used for a user to perform various operations. In this embodiment, it is mainly used for the selection operation of the music to be mixed.
  • the external storage device I / F unit 13 inputs and outputs information between the PC 10 and the external storage device 30 such as reading music information from the external storage device 30.
  • the external storage device 30 refers to a storage device (such as an external hard disk device) locally connected to the PC 10 or a USB memory that can be read by a memory slot.
  • the communication unit 14 communicates between the PC 10 and a device on the network NT, such as acquiring music information from the memory of a device (such as a Web server) on the network NT via the network NT such as the Internet or an intranet. .
  • the control unit 15 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), and the like, and performs various arithmetic processes. Also, display control of the display unit 11 based on the operation of the operation unit 12, information input / output control via the external storage device I / F unit 13 and the communication unit 14, music analysis processing / playback control, and the like are performed.
  • a CPU Central Processing Unit
  • ROM Read Only Memory
  • RAM Random Access Memory
  • the storage unit 16 is composed of a hard disk drive or the like, and stores a dedicated application 20 (DJ software) for realizing a file music player and also stores music information.
  • a music file or a music file path
  • music accompanying information includes music identification information (music ID), music title name, album name, producer name (artist name, composer name), genre name, remixer name, label name, artwork image file (or image).
  • the artwork refers to album artwork, music artwork, or an image associated with the music by the user.
  • genre, BPM, music key, voice waveform data, presence / absence of musical tone, melody, harmony, rhythm, etc. may be set in advance as part of the music accompanying information.
  • Information obtained from the analysis result of the music file by the dedicated application 20 may be used. These pieces of information may be input (designated) by the user.
  • the reproduction processing unit 17 performs reproduction processing of the music file under the control of the control unit 15 and outputs the reproduction signal to the audio output unit 18.
  • the audio output unit 18 includes a DSP (Digital Signal Processor), an amplifier, a speaker, or headphones, and outputs a reproduction signal. Note that an external device may be used as the audio output unit 18.
  • DSP Digital Signal Processor
  • the operation screen D0 includes a playback music display area Ea on the upper left side of the screen, a mix degree display area Eb on the upper right side of the screen, and a music selection area Ec on the lower side of the screen.
  • the reproduction music display area Ea is an area for displaying information on the music being reproduced, an artwork display area 51 for displaying the artwork of the music, a music title name, an artist name, a release date, a label, a composer name, and the like. Is displayed, and a second music information display area 53 for displaying BPM, KEY, genre name, and the like.
  • the mix degree display area Eb is an inter-music mix degree (between contents) between two pieces of music being reproduced (hereinafter referred to as “preceding music”) and music to be reproduced next (hereinafter referred to as “subsequent music”).
  • (Adaptability) is an area to be displayed as a graph.
  • an attribute mix degree (attribute adaptability) that is a mix degree for each attribute is displayed by the shape of the radar chart 55 including three axes.
  • the “BPM” axis indicates a mix degree related to BPM
  • the “KEY” axis indicates a mix degree related to tonality
  • the “ITEM” axis indicates a mix degree related to a genre or an artist. A method for calculating each mix degree will be described later.
  • the song selection area Ec displays a list of songs that are playback candidates.
  • the music displayed here is intended for music stored in the storage unit 16.
  • Each piece of music displays parameters for attributes such as “TITLE” and “ARTIST”, and displays a reduced artwork 57 in the “TITLE” column.
  • the attribute items displayed in the music selection area Ec can be arbitrarily selected by the user.
  • the music displayed as reproduction candidates in the music selection area Ec can be narrowed down by inputting filtering conditions (genre, artist, album, BPM, playlist, keyword, etc.).
  • the operation of the operation screen D0 will be briefly described.
  • the user selects a reproduced music from the music selection area Ec using a cursor key or the like.
  • the selected music is displayed as a cursor (illustration, shaded display).
  • the music information is displayed in the reproduction music display area Ea, and the mix degree is displayed in the mix degree display area Eb.
  • each attribute mix displayed in the mix display area Eb is maximized. .
  • the selected music changes every time the cursor key is pressed, and each of the music displayed in the mix degree display area Eb accordingly.
  • the attribute mix degree changes.
  • the user selects music suitable for mix reproduction while checking the mix degree display area Eb.
  • the enter key is pressed, the music displayed at the cursor is determined as the subsequent music, and mixed reproduction is performed.
  • the PC 10 includes an attribute selection unit 110, a parameter acquisition unit 120, a radar chart rotation operation unit 130, a reproduction candidate display unit 140, a content selection unit 150, a content reproduction unit 160, an fitness determination unit 170, an fitness level as main function configurations.
  • a display unit 180 display control unit
  • the parameter storage unit 210 and the content storage unit 220 are realized by the storage unit 16 (shown by dotted lines).
  • the attribute selection unit 110, the radar chart rotation operation unit 130, and the content selection unit 150 are realized by the operation unit 12.
  • the other units are realized by the control of the control unit 15 using the dedicated application 20.
  • the content storage unit 220 stores a large number of music files.
  • the parameter storage unit 210 stores attribute parameters for each attribute for each music file stored in the content storage unit 220.
  • the attributes include “BPM”, “KEY”, “ITEM”, “VOLUME”, and “TITLE” (see FIG. 4).
  • the attribute parameter is information attached to the music file as the music accompanying information or information obtained from the analysis result.
  • the attribute selection unit 110 selects three attributes to be assigned to each axis of the radar chart 55 from among a plurality of attribute candidates (BPM, KEY, ITEM, VOLUME, TITLE, etc. described above).
  • the attributes assigned to each axis can be customized according to user preferences.
  • the number of selectable attributes may be an arbitrary number (however, three or more).
  • the number of axes of the radar chart 55 varies according to the number of selected attributes (see FIG. 11A).
  • the attributes that can be selected by the attribute selection unit 110 may be one or two of the three axes, and the attributes assigned to the remaining axes may be fixed.
  • the parameter acquisition unit 120 acquires the attribute parameters of the selected preceding music and subsequent music from the parameter storage unit 210.
  • the attribute parameter may be acquired only for the attribute selected by the attribute selection unit 110.
  • the main KEY parameter of the music (the most frequently detected KEY or the KEY of the chorus portion) is acquired.
  • the main BPM parameter the most frequently detected BPM or the rust portion BPM) of the music is acquired.
  • the VOLUME the VOLUME average value or the maximum value, intermediate value, minimum value, or VOLUME of the chorus portion of the music is acquired.
  • the radar chart rotation operation unit 130 rotates the radar chart 55 by operating the “R” key, for example.
  • each axis is rotated by 120 ° every time a predetermined key (for example, “R” key) is pressed.
  • the reproduction candidate display unit 140 displays music options of a plurality of pieces of music stored in the content storage unit 220 as reproduction candidates (music selection area Ec). Further, according to the sort instruction by the user (for example, pressing the “S” key), the attribute mix degree of the attribute (hereinafter referred to as “vertex attribute”) assigned to the axis located at the vertex of the radar chart 55 is followed. Display in order. For example, in the example of FIG. 2, since the vertex attribute is “BPM”, the music options are arranged in the order of the BPM “100.000” of the music being played back. When the vertex attribute is “KEY”, the KEYs are arranged in order from “BM”.
  • the music choices in the reproduction candidate display unit 140 are arranged in descending order of the attribute mix degree of the vertex attribute. Accordingly, even when the vertex attribute is “ITEM”, the attribute mix degree of “ITEM” is arranged in descending order. The ascending order and descending order of the array may be switched. Further, the sort instruction (pressing the “S” key) by the user may be unnecessary by performing the sort by the reproduction candidate display unit 140 using the operation by the radar chart rotation operation unit 130 as a trigger.
  • the content selection unit 150 selects the preceding music and the subsequent music (the music to be reproduced next) from the reproduction candidates displayed on the reproduction candidate display unit 140.
  • the content reproduction unit 160 reproduces the selected music piece.
  • the fitness determination unit 170 determines the attribute mix degree of the subsequent music with respect to the preceding music. Specifically, the determination is made based on the relative values of the attribute parameters of these two music pieces. As shown in FIG. 4, the attribute “BPM” may be calculated from the degree of coincidence or difference between the BPMs of two music pieces. For example, if the BPM difference is 1.0 or less, 10 points are assigned, and if the BPM difference is greater than 1.0 and 2.0 or less, the attribute mix degree is calculated as a table. good.
  • the score is 10 points, and in the case of the Major / Minor relationship, the score is 8 points and 5 degrees shifted (both sides on the fifth degree range) and 6 points. You may calculate from a table like a point. Further, in the case of the attribute “ITEM”, for example, +2 points when the artists of the two songs match, +2 points when the genres match, +2 points when the composers match, and when the age is close (for example, 1 Within the year), the attribute mix degree may be calculated by adding a score for each attribute item, such as +2.
  • the attribute “VOLUME” it is conceivable to calculate from the degree of coincidence or difference between the two music pieces.
  • the attribute mix degree may be calculated by adding a score based on the collation result of each word when the title name is divided into phrases.
  • the fitness level display unit 180 displays, on the radar chart 55, the attribute mix level of each attribute determined by the fitness level determination unit 170 as the inter-music mix level (inter-content fitness level) of the subsequent music with respect to the preceding music. Further, when the rotation operation is performed by the radar chart rotation operation unit 130, the radar chart 55 is rotated and displayed according to the operation.
  • the PC 10 registers music information in the storage unit 16 (S01).
  • the music information includes attribute parameters for each attribute shown in FIG.
  • the attribute parameter the one added to the music file when the music is sold or downloaded may be registered, or the analysis result of the music file by the dedicated application 20 may be registered.
  • the user may edit the attribute parameter (the attribute parameter edited by the user may be registered).
  • the preceding music is selected (S02).
  • the selection of the preceding music is based on the user's operation as described above.
  • the music selected here is the target of the mix degree determination (comparison of attribute parameters) as the preceding music.
  • the selected preceding music is played (S03).
  • the subsequent music is selected (S04). Subsequent music selection is also based on user operations. Thereafter, the attribute parameters of the preceding music and the succeeding music are acquired from the storage unit 16 (S05), and the attribute mix degree of the preceding music and the following music is determined (S06). In the present embodiment, the attribute mix degree is calculated by comparing the attribute parameters of the two music pieces for the three attributes assigned to each axis of the radar chart 55. The calculated attribute mix degree is displayed in the mix degree display area Eb (the calculated attribute mix degree is reflected on the radar chart 55, S07).
  • the attribute mix degree with respect to the preceding music is displayed, so that the user can determine at a glance whether the selected music is suitable for the mix. Moreover, since the attribute mix degree is displayed for a plurality of attributes, it is possible to confirm in which attribute the mix is suitable.
  • the mix degree of each attribute is displayed by the radar chart 55, the mix degree can be shown to the user in a more easily understandable manner. Further, it is possible to display the parameters of a plurality of attributes in an easy-to-understand manner instead of the parameters for one attribute as in the prior art.
  • the area within the polygon of the radar chart 55 can indicate a comprehensive evaluation of a plurality of attribute mix degrees, and can be determined using figures rather than simply comparing numbers. Can be done quickly.
  • an attribute to be assigned to each axis of the radar chart 55 can be selected according to the user's preference and usage, it is possible to search for a song desired by the user more quickly. Further, since the sorting condition of the music selection area Ec can be switched by the rotation operation of the radar chart 55, it is easy to use.
  • a display using a shape such as a graphic or graph (including a radar chart) or a numerical display using a score may be used.
  • the display form of these shapes a combination of point display and color may be used.
  • the attribute mix degree is determined based on the parameters stored in advance.
  • the parameters of the playback section including the playback point currently being played back are dynamically set. You may get to. For example, it is conceivable to dynamically determine the attribute mix degree according to the current BPM, KEY, VOLUME, etc. of the music being played. According to this configuration, in the case of “I want to perform mix playback now”, it is possible to find a subsequent music more suitable for the playback section.
  • the BPM attribute mix degree may be determined according to the range. For example, if the tempo setting t can be switched between 4%, 6%, 10%, 16%, and 100%, the number of points depends on which range the multiplication value of the BPM of the preceding music and the setting value t is within. It is possible to attach. According to this configuration, a more appropriate BPM mix degree can be calculated according to the tempo setting.
  • attributes indicating musical elements (number of instruments, instrument type, presence / absence of vocals / gender / voice quality, rhythm pattern, presence / absence of strings, horn section, etc.)
  • attributes indicating peripheral information may be added as attribute candidates.
  • the attribute mix degree may be determined from character analysis of the lyrics.
  • the music file and the music accompanying information are both stored in the storage unit 16, but may be stored in different areas.
  • the PC 10 may be configured to be able to communicate with a first database that manages music files and a second database that manages music accompanying information, and acquires necessary information from each database.
  • the degree of mixing between songs is determined based on the main BPM parameter and KEY parameter of each song.
  • mixing is performed based on attribute parameters in a partial section of each song. The degree is determined. Only differences from the first embodiment will be described below.
  • the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the modification applied about the component similar to 1st Embodiment is applied similarly about this embodiment.
  • the parameter acquisition unit 120 acquires parameters in partial sections of the preceding music and the subsequent music.
  • the partial section is a mix target section for performing mix reproduction.
  • the PC 10 of this embodiment has a configuration in which a section specifying unit (not shown) is added to the functional configuration of the first embodiment (see FIG. 3).
  • the section designating section designates the end point of the partial section, and the operation section 12 is a main section.
  • FIG. 7 is an explanatory diagram of a section specifying operation according to the second embodiment.
  • the upper waveform indicates the preceding music
  • the subsequent waveform indicates the subsequent music.
  • the bold line extending vertically on the left side of the figure indicates the current playback position
  • “Output” indicates the output section
  • “Mix Output” indicates the mix target section
  • “No Output” indicates the non-output section.
  • the user sets the mix point of the preceding music and the succeeding music on the browse. That is, referring to the browse display as shown in FIG. 7, the first “Cue Point” that is the end point of the partial section in the preceding music and the second “ Set “Cue Point”. As specific operations, each waveform is slid left and right, and each point position (inverted triangle mark) is moved left and right.
  • the PC 10 synchronizes the BPM of the preceding music and the subsequent music. Further, in consideration of BPM and the like, the third “Cue Point” that is the start point of a partial section in the subsequent music is automatically set by the PC 10.
  • the mix target section is determined by the above steps. Thereafter, the PC 10 determines the degree of mixing in each of the sections to be mixed of the preceding music and the subsequent music, and displays the radar chart 55 in the mixing degree display area Eb. That is, when “BPM” or “KEY” is specified as the attribute, the attribute mix degree is determined and displayed based on the BPM parameter and the KEY parameter in the mix target section.
  • the PC 10 starts counting down a few seconds before the third “Cue Point” of the subsequent music (such as 10 seconds before) or a few beats before (such as 16 beats), and the playback position becomes the third “Cue Point”. Start playing the mix.
  • the attribute mix degree can be displayed.
  • the mix target section can be designated by a simple operation.
  • the end point of a partial section of the preceding music and the succeeding music is specified.
  • the start point may be specified.
  • the third “Cue Point” may be set manually instead of being set automatically.
  • the length of the mix target section may be a fixed value.
  • the mix target section may be specified for each measure. In this case, it is performed in units of 1 bar, 2 bars, 4 bars,... N bars (N> 1). Further, the unit of measure (value of N) may be arbitrarily designated by the user.
  • FIG. 8 shows a case where a mix target section is designated for each measure. As shown in the figure, a dividing line L is displayed on the preceding musical piece waveform and the subsequent musical piece waveform for dividing each waveform in units of one measure. After aligning the positions of the dividing lines L of the respective waveforms, the user designates the start point and the end point of the mix target section.
  • two music pieces can be connected without a sense of incongruity by adjusting the positions of the bars.
  • the corresponding bar sections are surrounded by rectangles so that the lengths of the bar sections are equal on the display (as shown by the dotted frame in the figure). To be adjusted).
  • the dividing line L may be displayed in units of N beats (N ⁇ 1). In this case, a synchronization process for matching the BPMs of the two music pieces to be mixed is performed.
  • the attribute mix degree is determined based on the relative value of the attribute parameter between music pieces.
  • the attribute mix degree is determined with reference to a table based on the reproduction history.
  • the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the modification applied about the component similar to 1st Embodiment and 2nd Embodiment is applied similarly also about this embodiment.
  • FIG. 9 is a system configuration diagram of the display system SY according to the third embodiment.
  • the display system SY includes a server 100 and a music playback device group (PC 10, smartphone 60, network compatible player 70, and music distribution server 80) connected to the server 100 via a network NT such as the Internet.
  • a music playback device group PC 10, smartphone 60, network compatible player 70, and music distribution server 80
  • the server 100 has a playback history database 101 that stores the playback history of the music playback device group. Each music playback device transmits a playback log of the music to the server 100 for each music playback or at a predetermined timing.
  • the server 100 also has a correspondence table 102 and a plurality of attribute tables 103 corresponding to the respective attributes such as an ARTIST table, a LABEL table, and a COMPOSER table.
  • the correspondence table 102 is a table in which the number of database recordings (the number of mix reproduction) and the attribute mix degree are associated with each other.
  • the attribute table 103 is a table in which parameter combinations are associated with attribute mix degrees.
  • the ARTIST table defines the attribute mix degree for each artist combination.
  • the LABEL table defines the attribute mix degree for each combination of labels
  • the COMPOSER table defines the attribute mix degree for each combination of composers.
  • the combination of the arbitrary attribute parameters of the preceding music and the subsequent music is A- In the case of B, it is determined that the attribute mix degree is “8”.
  • the history of mix reproduction with the combination of parameters AC is 9 or less, it is determined that the attribute mix degree is “2” for this combination.
  • the combination of the parameters BC is determined as the attribute mix degree “4”.
  • the server 100 has, as main functional configurations, a playback history acquisition unit (not shown) that acquires a playback history of music, and two or more parameters related to arbitrary attributes based on the acquired playback history.
  • a table generation unit (not shown) that calculates an attribute mix degree between them and generates an attribute table 103.
  • the fitness determination unit 170 of the PC 10 in the present embodiment refers to the attribute table 103 to determine the attribute mix degree. For example, when the attribute table 103 shown in FIG. 10B is stored in the server 100 as the ARTIST table and the combination of the ARTIST of the preceding music and the subsequent music is AB, the attribute “ARTIST” is used. Is determined to be “8”.
  • the attribute mix degree can be determined only by referring to the attribute table 103. Further, since the attribute table 103 generated based on the reproduction history other than the PC 10 is used, it is possible to determine a standard mix degree that does not depend on personal preferences or the like.
  • the reproduction history acquisition unit and the table generation unit are realized in the server 100, but may be realized in the PC 10.
  • the “display system” of the present invention can be realized only by the PC 10.
  • the third embodiment may be applied not only to attributes such as “ARTIST”, “LABEL”, and “COMPOSER” but also to attributes that can be expressed by numerical parameters such as “BPM” and “KEY”.
  • the attribute mix degree is determined based on the relative values of the parameters. For attributes that cannot be expressed with numerical parameters, the attribute mix degree is determined with reference to the attribute table 103. For example, different determination methods may be employed depending on attributes (a configuration in which the first embodiment and the third embodiment are combined) may be adopted.
  • the attribute table 103 is automatically generated based on the reproduction history, but the attribute table 103 may be generated by the system administrator and stored in the server 100. For example, in the case of the attribute “ARTIST”, points are scored for each combination of ARTIST parameters, taking into account various factors such as whether or not they are simply matched, musicality is close, and they belonged to the same group. By preparing the attribute table 103, a more appropriate attribute mix degree can be determined.
  • the radar chart 55 having a three-axis configuration is illustrated (see FIG. 2).
  • the radar chart 55 having a multi-axis configuration shown, shaded pentagon). May be adopted.
  • a polygon indicating the maximum value of the parameter on each axis may be displayed.
  • the user can arbitrarily set the number of axes of the radar chart 55 (the number of polygon corners), the presence / absence of a polygon indicating the maximum parameter value, the arrangement of each attribute (the axis to which each attribute is assigned), and the like. good.
  • the attribute mix degree may be indicated by a bar graph for each attribute.
  • a single pie chart may represent a plurality of attribute mix degrees.
  • a single bar graph may represent a plurality of attribute mix degrees.
  • the display form of the graph may be arbitrarily selectable by the user.
  • the first display form showing a plurality of attribute mix degrees in one graph and the total fitness obtained by adding these attribute mix degrees are 1.
  • the second display form shown in the graph may be switchable. According to this configuration, when the user wants to check which attribute the mix is suitable for, the first display form is used. When the user wants to check the overall mix degree at a glance, the second display form is used. The display can be switched according to preference.
  • the attribute mix degree may be displayed in the music selection area Ec.
  • a plurality of attribute mix degrees are indicated by a bar graph, and the inter-music mix degree is indicated by a numerical value.
  • Each music option is arranged according to the degree of mix between music.
  • the inter-music mix degree can be calculated based on the attribute mix degree of each attribute selected by the attribute selection unit 110. For example, it may be a value obtained by summing a plurality of attribute mix degrees, or may be a value indicating an area when displayed as the radar chart 55.
  • a plurality of attribute mix degrees can be displayed for each piece of music that is a reproduction candidate. Thereby, since the mix degree of the some reproduction
  • the degree of mixing between two pieces of music is determined, but the degree of mixing between three or more pieces of music may be determined.
  • the mix adaptability of the B song and the C song for the A song may be determined between three songs, respectively, or the mix when the A song, the B song, and the C song are mixed.
  • the fitness may be determined.
  • the degree of mixing is determined as the degree of fitness when mixing two pieces of music.
  • the degree of fitness may not necessarily be based on mixing.
  • the compatibility when playing a plurality of songs simultaneously or the compatibility when playing a plurality of songs continuously may be displayed as “inter-content fitness”.
  • each function of the PC 10 and the server 100 shown in the above embodiment can be provided by being stored in various storage media (CD-ROM, flash memory, etc.). That is, a program for causing a computer to function as each function of the PC 10 and the server 100 and a storage medium storing the program are also included in the scope of the right of the present invention.
  • the present invention is applied to the PC 10 (file music player) is exemplified.
  • the present invention may be applied to audio equipment, and content other than music (for example, video, image, text, or
  • the present invention can also be applied to a playback device and a search device that play back content that is a combination of these.
  • the present invention is realized by the PC 10
  • the main part of the present invention may be realized by a server on the network.
  • the display system of the present invention can be realized by a server and a user terminal connected to the server via a network.
  • a communication means with the display part 11, the operation part 12, and a server becomes a required component in a user terminal.
  • the present invention can also be applied to cloud computing. Other modifications can be made as appropriate without departing from the scope of the present invention.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

La présente invention aborde le problème consistant à rechercher de manière aisée et rapide une chanson appropriée pour un mélange parmi une multitude de chansons potentielles. L'ordinateur personnel (10) selon la présente invention est caractérisé en ce qu'il est équipé : d'une unité d'acquisition de paramètres (120) permettant d'obtenir des paramètres concernant une pluralité d'attributs, tels que le support d'enregistrement à motifs magnétiques et la clé, pour 2 chansons différentes ; d'une unité de détermination du caractère pertinent (170) permettant de déterminer, en fonction de chacun des paramètres d'attribut obtenus, une aptitude au mélange d'attributs, qui constitue le caractère pertinent de mélange de chaque attribut ; et d'une unité d'affichage de caractère pertinent (180) permettant d'afficher une pluralité d'aptitudes au mélange d'attributs déterminées en tant qu'aptitude au mélange inter-chanson entre les deux chansons.
PCT/JP2012/000562 2012-01-30 2012-01-30 Système d'affichage, système de commande d'affichage, matériel audio, procédé d'affichage et programme WO2013114421A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/000562 WO2013114421A1 (fr) 2012-01-30 2012-01-30 Système d'affichage, système de commande d'affichage, matériel audio, procédé d'affichage et programme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/000562 WO2013114421A1 (fr) 2012-01-30 2012-01-30 Système d'affichage, système de commande d'affichage, matériel audio, procédé d'affichage et programme

Publications (1)

Publication Number Publication Date
WO2013114421A1 true WO2013114421A1 (fr) 2013-08-08

Family

ID=48904519

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/000562 WO2013114421A1 (fr) 2012-01-30 2012-01-30 Système d'affichage, système de commande d'affichage, matériel audio, procédé d'affichage et programme

Country Status (1)

Country Link
WO (1) WO2013114421A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015170264A (ja) * 2014-03-10 2015-09-28 Ｐｉｏｎｅｅｒ ＤＪ株式会社 表示装置、表示装置の制御方法およびプログラム
WO2016208002A1 (fr) * 2015-06-24 2016-12-29 Ｐｉｏｎｅｅｒ ＤＪ株式会社 Dispositif, procédé et programme de commande d'affichage
WO2016208000A1 (fr) * 2015-06-24 2016-12-29 Ｐｉｏｎｅｅｒ ＤＪ株式会社 Dispositif de commande d'affichage, procédé de commande d'affichage, et programme de commande d'affichage

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006064722A1 (fr) * 2004-12-14 2006-06-22 Sony Corporation Dispositif et procede de reconstruction de donnees de composition musicale, dispositif et procede de reproduction de contenu musical
WO2007066813A1 (fr) * 2005-12-09 2007-06-14 Sony Corporation Dispositif d’edition musicale, procede de creation d’informations d’edition musicale, et support d’enregistrement d’informations d’edition musicale
JP2008164932A (ja) * 2006-12-28 2008-07-17 Sony Corp 音楽編集装置および方法、並びに、プログラム
JP2010066366A (ja) * 2008-09-09 2010-03-25 Sony Computer Entertainment Inc 音楽情報処理装置、音楽配信システムおよび音楽情報処理方法
JP2010224715A (ja) * 2009-03-23 2010-10-07 Olympus Corp 画像表示システム、デジタルフォトフレーム、情報処理システム、プログラム及び情報記憶媒体

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006064722A1 (fr) * 2004-12-14 2006-06-22 Sony Corporation Dispositif et procede de reconstruction de donnees de composition musicale, dispositif et procede de reproduction de contenu musical
WO2007066813A1 (fr) * 2005-12-09 2007-06-14 Sony Corporation Dispositif d’edition musicale, procede de creation d’informations d’edition musicale, et support d’enregistrement d’informations d’edition musicale
JP2008164932A (ja) * 2006-12-28 2008-07-17 Sony Corp 音楽編集装置および方法、並びに、プログラム
JP2010066366A (ja) * 2008-09-09 2010-03-25 Sony Computer Entertainment Inc 音楽情報処理装置、音楽配信システムおよび音楽情報処理方法
JP2010224715A (ja) * 2009-03-23 2010-10-07 Olympus Corp 画像表示システム、デジタルフォトフレーム、情報処理システム、プログラム及び情報記憶媒体

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015170264A (ja) * 2014-03-10 2015-09-28 Ｐｉｏｎｅｅｒ ＤＪ株式会社 表示装置、表示装置の制御方法およびプログラム
WO2016208002A1 (fr) * 2015-06-24 2016-12-29 Ｐｉｏｎｅｅｒ ＤＪ株式会社 Dispositif, procédé et programme de commande d'affichage
WO2016208000A1 (fr) * 2015-06-24 2016-12-29 Ｐｉｏｎｅｅｒ ＤＪ株式会社 Dispositif de commande d'affichage, procédé de commande d'affichage, et programme de commande d'affichage
JPWO2016208002A1 (ja) * 2015-06-24 2018-03-15 Ｐｉｏｎｅｅｒ ＤＪ株式会社 表示制御装置、表示制御方法および表示制御プログラム

Similar Documents

Publication Publication Date Title
US7956276B2 (en) Method of distributing mashup data, mashup method, server apparatus for mashup data, and mashup apparatus
JP4033944B2 (ja) 演奏する楽曲に合わせた推薦楽曲選出機能に特徴を有する通信カラオケシステム
US8115090B2 (en) Mashup data file, mashup apparatus, and content creation method
US8426715B2 (en) Client-side audio signal mixing on low computational power player using beat metadata
US11475867B2 (en) Method, system, and computer-readable medium for creating song mashups
JP6056437B2 (ja) 音データ処理装置及びプログラム
WO2017165823A1 (fr) Mise en séquence d'éléments de contenu multimédia
CN102760428B (zh) 使用表示乐音生成模式的查询的演奏数据搜索
CN105740394A (zh) 歌曲生成方法、终端及服务器
US8315968B2 (en) Music information processing apparatus, music delivering system, and music information processing method that can satisfy a request from a user
WO2015154159A1 (fr) Systèmes et procédés pour analyse musicale et détermination de compatibilité dans une production audio
JP2008041043A (ja) 情報処理装置
JP2012088402A (ja) 情報処理装置、情報処理方法及びプログラム
JP5926370B2 (ja) 表示装置およびプログラム
WO2013114421A1 (fr) Système d'affichage, système de commande d'affichage, matériel audio, procédé d'affichage et programme
JP2007140165A (ja) カラオケ装置およびカラオケ装置用プログラム
JP2002268632A (ja) フレーズ分析装置及びフレーズ分析プログラムを記録した記録媒体
JP4218066B2 (ja) カラオケ装置およびカラオケ装置用プログラム
JP2016050974A (ja) カラオケ採点システム
JP2016161900A (ja) 音楽データ検索装置及び音楽データ検索プログラム
JP6554826B2 (ja) 音楽データ検索装置及び音楽データ検索プログラム
JP6611633B2 (ja) カラオケシステム用サーバ
JP4331230B2 (ja) 通信カラオケシステム、ホスト装置
JP3775390B2 (ja) 演奏設定データ選択装置、演奏設定データ選択方法及び記録媒体
JP2007140161A (ja) カラオケ装置およびカラオケ装置用プログラム

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12867187

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: JP

122 Ep: pct application non-entry in european phase

Ref document number: 12867187

Country of ref document: EP

Kind code of ref document: A1