JP2012221015A - Electronic device, play list creation method, and play list creation program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic device, a play list creation method, and a play list creation program which can automatically create a play list.SOLUTION: A play list creation method includes: a step for inputting a theme for creating a play list; a step for searching an information site connected to a network via communication means based on the input theme; a step for acquiring play list creation information based on the theme from the searched information site; a step for collating the acquired play list creation information with stored music information; and a step for registering the music information collated in the collation step with the play list.

Description

  The present invention relates to an electronic device, a playlist creation method, and a playlist creation program, and more particularly, to a playlist creation method for selecting a desired song and determining the playback order of the selected song.

  As the storage capacity of hard disk devices and semiconductor memories increases, the audio playback device can store a large amount of music data. Since it is cumbersome to search for a desired piece of music from such a large number of pieces of music data, a playlist is prepared in the audio playback device, and the desired piece of music is registered in the playlist. A function to play music is provided. The playlist can be created by the user selecting from the music stored in the storage device. In addition, if the smart play function is used, it is possible to refer to music information (song name, genre name, capacity, age, etc.) and to list only those that meet the conditions based on a search formula preset by the user. It has become.

  Here, let us consider a case in which music related to a theme is extracted and reproduced as BGM from music possessed in large quantities. The theme reflects the preferences and hopes of users, such as wanting to listen to music after graduation in March, or listening to music related to snow when going skiing. In the case of the former theme, a song that matches the search formula is selected by selecting "Songs include" Graduation "and" graduation "in the search name of the smart play, so a playlist is created semi-automatically. can do.

  Further, as shown in FIG. 1, Patent Document 1 extracts music that matches a theme by providing the music table with a theme flag that determines whether or not the music matches a predetermined theme. And this is registered in the playlist.

JP 2006-243854 A

  If you want to create a playlist with the theme of graduation, it takes a lot of work to register the songs that the user has searched for from all the songs in the playlist. Also, the smart play method can extract songs such as “Graduation” and “my graduation”, but songs such as “Present if you say” and “Letters to Dear Sir Fifteen You” are suitable for the theme. Even if I do it, I cannot register it in the playlist. It is almost impossible to cover everything with a search expression, and it takes time to think about such keywords.

  On the other hand, in the method of Patent Document 1, a theme flag relating to graduation is created in advance together with music information, so that a problem due to a self-made method or a problem due to smart play can be solved. However, it was necessary for the development manufacturer to construct a music chart as shown in FIG. 1, which required man-hours and costs. Moreover, since it is necessary to construct a music table based on a predetermined theme, there is also a problem that the theme is limited to a compatible theme.

  An object of the present invention is to solve the above-described conventional problems and provide an electronic device, a playlist creation method, and a playlist creation program that can automatically generate a playlist.

  An electronic apparatus according to the present invention includes a storage unit that stores a plurality of pieces of music information, an input unit that inputs input information for creating a playlist, a communication unit, and a playlist in response to input of the input information. A playlist creation means to create; and a playback means capable of playing back music in accordance with the playlist created by the playlist creation means, the playlist creation means via the communication means based on the input information Search means for searching for an information site connected to the network, acquisition means for acquiring playlist creation information from the searched information site based on the input information, acquired playlist creation information, and storage in the storage means Collating means for collating the music information that has been collated, registration means for registering the music information that has been collated by the collating means in a playlist, A.

  Preferably, the electronic device further accesses a purchase site for purchasing the non-existing music information when there is no music information matching the playlist creation information based on the verification result of the verification means in the storage means, Presenting means for presenting purchase site information is included. Preferably, when the non-existing music information is purchased through the purchase site presented by the presenting means, the playlist creating means stores the purchased music information in the storage means and the playlist. Register with.

  Preferably, the search unit searches a plurality of information sites, the acquisition unit calculates a logical sum of playlist creation information acquired from the searched plurality of information sites, and the verification unit includes the logical sum. The playlist creation information obtained in step 1 is collated with the music information stored in the storage means. Preferably, the acquisition means prepares format information relating to the description of information on the information site in advance, and acquires playlist creation information based on the format information. The search means can access a predetermined information site. Further, the search means can search information sites using the input information as a search term. The input information may be at least one keyword related to a playlist theme. The playlist creation information may include a song name. Preferably, the input information includes a year and an event keyword, and the acquisition unit acquires a set list of music pieces corresponding to the year and the event as the playlist creation information.

  Furthermore, the playlist creation system of the present invention includes an electronic device having the above characteristics, and an information site connected to the electronic device via the communication means.

  The playlist creation method of the present invention is an electronic apparatus that stores a plurality of pieces of music information and can reproduce the music information selected from the stored music information, and includes input information for creating a playlist. A step of searching for an information site connected to a network via a communication means based on the input information, a step of acquiring playlist creation information based on the input information from the searched information site, Collating the acquired playlist creation information with the stored music information, and registering the music information collated in the collating step in the playlist.

  The playlist creation program of the present invention is executed by an electronic device that stores a plurality of pieces of music information and that can reproduce the music information selected from the stored music information. A step of inputting input information; a step of searching for an information site connected to a network via communication means based on the input information; and a step of acquiring playlist creation information based on the input information from the searched information site And a step of collating the acquired playlist creation information and the stored music information, and a step of registering the music information collated by the collating step in a playlist.

  According to the present invention, an information site is searched based on input information from a user, playlist creation information is acquired from the searched information site, and music information collated with the playlist creation information is registered in the playlist. Since the playlist is created by the above, it is possible to easily automatically create a playlist in which not only the song name but also the content conforms to the input information. Since the playlist is created according to the user input, the theme of the playlist is not restricted. Furthermore, since the user can obtain a playlist corresponding to the input information simply by inputting the input information, the burden on the user is greatly reduced.

It is a figure explaining the creation method of the conventional play list. It is a figure explaining the concept of play list creation of the electronic device which concerns on the Example of this invention. It is a functional block diagram of the electronic device which concerns on the Example of this invention. It is a flowchart explaining the playlist preparation operation | movement of the electronic device which concerns on the Example of this invention. It is a functional block diagram of a playlist creation program according to an embodiment of the present invention. It is a figure explaining an example of the format of a music website. It is a table that defines the correspondence between music websites and format information. It is a flowchart which shows the play list creation operation | movement by 1st Example of this invention. It is a flowchart which shows the play list creation operation | movement by the 2nd Example of this invention. It is a flowchart which shows the play list creation operation | movement by the 3rd Example of this invention.

  The best mode for carrying out the present invention will be described below in detail with reference to the drawings. The electronic device according to the present invention selects a music according to a theme from among a reproduction function for reproducing music, a communication function for accessing an external information site or an information providing server via a network, and the like. A function for creating a playlist is provided. However, the present invention is not limited to an electronic device having the above function, and may include other functions. The electronic device of the present invention can be, for example, a vehicle-mounted electronic device installed in a vehicle, a smartphone, a portable information terminal, a portable personal computer, or a stationary computer.

  FIG. 2 is a diagram for explaining the concept of a playlist creation system using an electronic device according to an embodiment of the present invention. The electronic device 10 of this embodiment is mounted on a vehicle, for example, selects desired music from music stored in storage means such as a hard disk device and plays it back, or uses the communication means to access the Internet or the like. Connected to the network 20 and obtains desired information therefrom. In addition, the electronic apparatus 10 according to the present embodiment has a function of automatically creating a playlist according to a user input, and a server that distributes a music information site, for example, music information, via the network 20 when creating the playlist. , Etc., source information for creating a playlist (playlist creation information) is obtained from the searched music information site, the source information is compared with the song data held by itself, and the matched song data is obtained. Register to playlist.

  The created playlist is stored in the storage means. In addition, the created playlist is displayed on the display, and the user can add or delete a desired song, determine the playback order of the song, and edit the playlist. Furthermore, when creating a playlist according to the source information, if the song is not stored in the storage means, search for a purchase site where the song can be purchased online, purchase the song from the purchase site, The purchased music data can be downloaded and stored in the storage means and simultaneously registered in the playlist.

  FIG. 3 is a functional block diagram of the electronic device 10 according to the embodiment of the present invention. The electronic device 10 of this embodiment includes an input from a user, for example, an input unit 100 that receives an instruction to create a playlist and its theme, a playback unit 110 that plays back music data, a playlist, a searched information site, and the like. A display unit 120 that performs display, an output unit 130 that outputs audio of the reproduced music, a communication unit 140 that enables data communication with the outside, a storage unit 150 that stores data, programs, and the like, and a control unit 160 that controls each unit An external interface (I / F) 170 to which various devices such as a CD / DVD drive device, a television receiver, a radio receiver, a navigation device, a portable information terminal, and a smartphone can be connected, and an internal bus 180 for connecting each part Consists of including.

  The input unit 100 is configured using voice input, a touch panel, a mouse, a remote controller, and the like, and information received by the input unit 100 is provided to the control unit 160. The reproduction unit 110 reproduces music data stored in the storage unit 150, reproduces music data received from the external I / F 170, and the like. Note that the playback unit 110 may have a function of playing back video data as well as music data. The display unit 120 displays a menu screen, a playlist, or the like, or displays a screen of a music information site accessed by the communication unit 140. The output unit 130 outputs sound such as music reproduced from a speaker arranged in the vehicle. The communication unit 140 may be configured by either a built-in communication module or a connection to an external communication module, and an external device or a communication device such as a public wireless line, a wireless LAN, or a wide area LAN. Connect to a network and enable data communication.

  The storage unit 150 can be a storage medium such as a hard disk device or a semiconductor memory, and stores data such as music data, program data such as application software, and the like. The control unit 160 includes a microcomputer, a microprocessor or data processing device, a program memory, and the like. In a preferred embodiment, the control unit 160 includes a program memory that stores a program, and the program includes a program that controls reproduction of music and a program that controls creation of a playlist. The control unit 160 controls the reproduction of music and the creation of a playlist by executing these programs.

  The external I / F 170 performs an interface for data transmission / reception with an externally connected device. For example, when a navigation unit is connected, the control unit 160 displays a navigation screen on the display unit 120 and guides the guidance route. When the TV tuner unit is connected, the control unit 160 displays TV broadcast video on the display unit 120 and causes the output unit 130 to output TV broadcast audio. Furthermore, when a portable information terminal such as a smartphone is connected, an application of the portable information terminal can be executed. However, the electronic device 10 may incorporate a function of such an externally connected unit.

  Next, the operation of the electronic device according to the embodiment of the present invention will be described. FIG. 4 is a flowchart illustrating an example of an operation of the electronic device when creating a playlist. First, when an instruction from the user is made via the input unit 100, the control unit 160 causes the display unit 120 to display a menu screen (S101). On the menu screen, for example, an input button for instructing reproduction of a playlist or music, an input button for instructing creation of a playlist, an input button for instructing editing of the playlist, and the like are displayed. When the menu screen is displayed, the user can select an input button by operating a touch panel or the like, or can select an input button by voice input.

  When an input button for creating a playlist is selected via the menu screen, the control unit 160 shifts to a playlist creation mode (S102). After shifting to the playlist creation mode, the control unit 160 creates a playlist based on the theme input from the user (S103). The created playlist is displayed on the display unit 120, and an input button as to whether or not to edit the playlist is displayed (S104). If the user wishes to edit, the user selects an input button, edits the playlist (S105), and the edited playlist is registered in the storage unit 150 (S106). On the other hand, when editing of the playlist is not desired, the created playlist is registered in the storage unit 150 as it is. The step of editing the playlist is not necessarily required, and the created playlist may be automatically stored in the storage unit 150. Furthermore, after the playlist is created, it may be shifted to the reproduction of the music in the created playlist.

  When transitioning to the playlist creation mode, the control unit 160 activates the playlist creation program. FIG. 5 is a functional block diagram of the playlist creation program. The playlist creation program 200 includes a theme name receiving unit 210 that receives the theme name of a playlist from the user, a network connection unit 220 that connects to the network via the communication unit 140, and music information on the network based on the theme name input by the user. A music site search unit 230 for searching for a music site providing information, a source information acquisition unit 240 for acquiring source information (playlist creation information) corresponding to a theme name from the searched music site, an acquired source information and storage unit 150 includes a collation unit 250 that collates with the music data stored in 150, and a registration unit 260 that registers the music matched by the collation of the collation unit 240 in a newly created playlist.

  The theme name receiving unit 210 causes the display unit 120 to display a theme name receiving screen when the playlist creation mode is entered. When this screen is displayed, the user can input the theme name by operating the mouse or the remote controller, and can input the theme name by voice. The theme name is preferably one or more keywords, but in addition to this, keywords may be extracted by inputting a natural sentence and performing morphological analysis. For example, the user inputs a theme name such as “spring” or “graduation”.

  The music site search unit 230 searches for music sites on the network based on the theme name input by the user, for example, using a browser. Preferably, an optimal music site that matches the theme name is searched, but when there are many music sites to be searched, the user may select one of them, and further, a keyword may be used. The next search may be performed. In addition, the music site search unit 230 may search all sites on the network, or may search for a predetermined music site or a dedicated music site. You may make it search in an order from a music site with a high priority from the music site by which it was set. When searching for predetermined music sites, URLs or addresses of those music sites are stored in a memory. What site the music site search unit 230 searches can be determined by user settings.

  In addition, a music site is not determined from its name. Even if a website has a name other than a music site, the website is a music site if it contains information about music. obtain. For example, when the theme name is “Spring”, a website explaining the definition and meaning of “Spring” is searched, and the website includes a list of song names and album names classified as “Spring”. , The website can be a music site. Of course, the music site can be a music site or a music portal site that provides a song name list or album name list classified by theme.

  The source information acquisition unit 240 extracts source information necessary for creating a playlist from information included in the searched music site. Preferably, a song name or song name list corresponding to the theme name is extracted. If the format of the information described in the music site is known, the source information acquisition unit 240 refers to the format and acquires necessary source information from the format.

  FIG. 6 shows an example of a music website whose format is known. A predetermined URL is assigned to the music website 300, and the music website 300 can be searched by the music site search unit 230. The music website 300 classifies music information corresponding to “theme A”, music information corresponding to “theme B”,... Music information corresponding to “theme N”. Each theme can include song name, artist name, album name, performance time, etc. as song information, and these information can be identified by a predetermined identifier. For example, in FIG. 6, the <> identifier is defined as a song name, the [] identifier is defined as an artist name, and the () identifier is defined as an album name. When the music website 300 is accessed, the source information acquisition unit 240 decodes the description information and text information of the music website 300 to search for a theme corresponding to the input theme name, and format information The music title or music title list identified by <> is acquired based on the identifier defined in.

  Preferably, when the format of the music website is known, the source information acquisition unit 240 stores, in a memory, a determination table that defines the relationship between the URL of the music website and the format, as shown in FIG. . The source information acquisition unit 240 uses the determination table to determine whether or not the searched music website format information is known, and if so, the music website identifier is based on the format information. Decoding description information, text information, etc., and extracting source information necessary for creating a playlist.

  Further, the source information acquisition unit 240 decodes the description information and text information such as HTML constituting the website even if the details of the format of the music website are not known, and acquires the source information from there. can do. For example, when searching for a predetermined music site, if the music site provides a theme and a song title list classified into the theme, the “theme” is decoded as text information, and the theme is followed. A song name or a song name list can be extracted.

  The collation unit 250 compares the source information acquired by the source information acquisition unit 240 with a large number of music data stored in the storage unit 150, and whether the music data corresponding to the source information is included in the storage unit 150. Check whether or not. Preferably, the collation unit 150 collates the song name included in the source information with the song name stored in the storage unit 150. The registration unit 260 registers the music data or the song name collated by the collation unit 250 in the playlist to be newly created.

  Next, details of the playlist creation of this embodiment will be described with reference to the flowchart of FIG. When the playlist creation mode is started (S201), the theme name receiving unit 210 waits for the input of a theme name from the user. The user inputs a theme name by using a remote controller, a mouse, or voice (S202). For example, a theme such as “spring” or “graduation” is input. When the theme name is input, the network connection unit 220 connects to the Internet, and the music site search unit 230 searches for a music site that matches the theme name as a keyword (S203). Next, the source information acquisition unit 240 starts acquiring source information according to the theme name from the searched music site (S204).

  The source information acquisition unit 240 confirms whether or not the source information can be acquired (S205). If the source information can be acquired, the source information acquisition unit 240 further extracts a section describing the music information from the acquired source information (S206). ). When the music information can be extracted (S207), the source information acquisition unit 240 converts the song name included in the music information into a playlist (S208). Next, the collation unit 250 collates whether or not the song name converted into the playlist is included in the storage unit 150, and the registration unit 260 selects the song name stored in the storage unit 150 based on the collation result. The registered song name is deleted, and the final playlist is completed (S209). Then, the music title registered in the playlist is reproduced (S210). On the other hand, if the music information cannot be obtained or extracted from the music site, the display unit 120 or the output unit 130 notifies that the playlist could not be created (S211).

  Next, the playlist creation operation according to the second embodiment of the present invention will be described with reference to the flowchart of FIG. In the second embodiment, as a result of collating the source information acquired from the music site with the music data stored in the storage unit 150, if the music data to be verified is not stored in the storage unit 150, the music data is It automatically guides to the site to purchase, stores the music data purchased there in the storage unit 150 and registers it in the playlist. In the flow of FIG. 9, the parts common to the first embodiment are omitted.

  First, as in the first embodiment, the song title list is converted into a playlist based on the source information acquired from the music site (S301). Next, the collation unit 250 compares the song name list with the song names stored in the storage unit 159 (S302), and creates an absence list of song names not stored in the storage unit 150 (S303). Next, the control unit 160 searches for a music purchase site or accesses a pre-registered music purchase site and causes the display unit 120 to display the purchase site (S304). The user determines whether or not to purchase the music registered in the absence list through the purchase site screen (S305). When the music is purchased, the music data is downloaded to the storage unit 150 (S306), and the name of the purchased music is registered in the playlist (S307). On the other hand, if the purchase is not desired, the playlist does not change.

  Next, a playlist creation operation according to the third embodiment of the present invention will be described with reference to the flowchart of FIG. The third embodiment creates a playlist using source information obtained from a plurality of music sites. First, the number n of music sites to be searched is set (S401). n may be set by default, or may be set arbitrarily by the user. Alternatively, n may be calculated from the number of search results (the number of hits) when searching for a theme as a search term. Preferably, n is varied according to the number of hits. For example, if the number of hits is 100 or more, n = 5, if 200 or more, n = 6,... N may be set from the ratio of the number of hits.

  Next, as in the first and second embodiments, the music site search unit 230 searches for music sites connected on the network using the search words of the theme name, and matches them. The music site with the highest access number or the music site with the largest number of accesses (S402), and then the source information acquisition unit 240 acquires the source information classified according to the theme name from the accessed music site. (S403) The acquired source information is temporarily stored in the memory (S404).

  Next, the music site search unit 230 determines whether or not the number n has been reached (S405). If the number has not reached, the next music site is accessed (S402), and source information is acquired and stored. (S403, S404) This process is repeated until the number n is reached. In this way, n pieces of source information are collected from n music sites. Next, the source information acquisition unit 240 obtains a logical sum (OR) of the collected n pieces of source information by calculation (S406).

  Next, the source information acquisition unit 240 converts the logically calculated song name into a playlist (S407), and the matching unit 250 calculates the logically calculated song name and the song name of the song data stored in the storage unit 150. (S408), and the registration unit 260 registers the matched song names in the playlist (S409). In this way, by obtaining the logical sum of the song names of n pieces of source information, it is possible to create a playlist according to the theme name including a wide range of song names with little objectivity or bias. Note that, as in the second embodiment, music that is not stored in the storage unit 150 may be purchased from a purchase site.

Next, another embodiment of the present invention will be described. The theme name may include a time representing the year, season, event (concert, etc.), location, etc., and the user can freely set the theme of the playlist. The following shows an application example for creating a playlist.
1. Create a concert song (set list) for a given artist.
The theme receiving unit 210 displays a theme receiving screen on the display unit 120, and allows an artist to be selected. Further, the theme receiving unit 210 provides a mode “play concert set list” after selecting an artist. For example, by inputting a keyword “Tokyo Dome 2004”, an information website about Tokyo Dome Can acquire the music (set list) of the concert of the year designated from the source information, create a playlist corresponding to the set list, and reproduce the music in the order performed in the concert.
2. Create a song for the red and white song battle.
The theme receiving unit 210 provides a mode for “playing a list of red and white song battle titles” on the theme receiving screen, and for example, by inputting a keyword “2009”, an information web site related to the red and white song battle is displayed. Obtain the source information of each year's red and white singer and song name from the website (for example, Wikipedia site), create a playlist based on the source information, and play the songs in the order sung in the red and white song battle be able to.

  As described above, according to the present embodiment, it is possible to automatically create a music piece whose contents are related to a theme as well as a piece of music based on information such as a keyword input by the user. Can greatly reduce the trouble of creating a playlist. In addition, by using a list of songs that are posted and updated on the Internet, the development maker does not need to create and operate, and themes are not restricted.

  The preferred embodiment of the present invention has been described in detail above, but the present invention is not limited to the specific embodiment, and various modifications can be made within the scope of the present invention described in the claims. Deformation / change is possible.

10: Electronic device 20: Network 30: Music information site 100: Input unit 110: Playback unit 120: Display unit 130: Output unit 140: Communication unit 150: Storage unit 160: Control unit 170: External I / F 180: Internal bus 200: Play list creation program 210: Theme name receiving unit 220: Network connection unit 230: Music site search unit 240: Source information acquisition unit 250: Verification unit 260: Registration unit

Claims (21)

Storage means for storing a plurality of pieces of music information;
An input means for inputting input information for creating a playlist;
Communication means;
Playlist creation means for creating a playlist in response to input of the input information;
Replay means capable of replaying music according to the play list created by the play list creation means;
The playlist creating means retrieves information sites connected to a network via the communication means based on the input information, and acquires playlist creation information based on the input information from the searched information sites. Obtaining means, collating means for collating the acquired playlist creation information with the music information stored in the storage means, and registration means for registering the music information collated by the collating means in the playlist. , Electronic devices. The electronic device further accesses a purchase site for purchasing the non-existing music information when music information that matches the playlist creation information does not exist in the storage means based on the collation result of the collation means, The electronic device according to claim 1, further comprising presentation means for presenting the information. When the non-existing music information is purchased via the purchase site presented by the presenting means, the playlist creating means stores the purchased music information in the storage means and registers it in the playlist The electronic device according to claim 2. The search means searches a plurality of information sites, the acquisition means calculates a logical sum of playlist creation information acquired from the searched information sites, and the collation means obtains the logical sum. 4. The electronic device according to claim 1, wherein the created playlist creation information and the music information stored in the storage unit are collated. 5. 5. The electronic device according to claim 1, wherein the acquisition unit prepares format information related to the description of information on the information site in advance, and acquires playlist creation information based on the format information. The electronic device according to claim 1, wherein the search unit accesses a predetermined information site. The electronic device according to claim 1, wherein the search unit searches an information site using the input information as a search word. The electronic device according to claim 1, wherein the input information is at least one keyword related to a theme of a playlist. The input information includes a year and an event keyword, and the acquisition means acquires a set list of music pieces corresponding to the year and event as the playlist creation information. An electronic device according to 1. The electronic device according to claim 1, wherein the playlist creation information includes a song title. 11. A playlist creation system including the electronic device according to claim 1 and an information site connected to the electronic device via the communication unit. A method of creating a playlist in an electronic device capable of storing a plurality of music information and reproducing the music information selected from the stored music information,
Inputting input information for creating a playlist;
Searching an information site connected to a network via communication means based on the input information;
Obtaining playlist creation information based on the input information from the searched information site;
Collating the acquired playlist creation information with the stored music information;
Registering the music information collated in the collating step in a playlist;
A playlist creation method. The playlist creation method further accesses a purchase site for purchasing unstored music information when music information that matches the playlist creation information is not stored based on the collation result of the collating step. The playlist creation method according to claim 12, further comprising a step of presenting purchase site information. The playlist creation method further stores the purchased song information and registers it in the playlist when the unstored song information is purchased through the purchase site presented in the presenting step. The playlist creation method according to claim 13. The searching step searches a plurality of information sites, the acquiring step calculates a logical sum of playlist creation information acquired from the searched plurality of information sites, and the collating step includes the logic step. The playlist creation method according to any one of claims 12 to 14, wherein the playlist creation information obtained as a sum is collated with the stored music information. The playlist creation according to any one of claims 12 to 15, wherein the obtaining step prepares in advance format information related to the description of information on the information site, and obtains playlist creation information based on the format information. Method. A playlist creation program executed by an electronic device capable of storing a plurality of pieces of music information and reproducing the music information selected from the stored music information,
Inputting input information for creating a playlist;
Searching an information site connected to a network via communication means based on the input information;
Obtaining playlist creation information based on the input information from the searched information site;
Collating the acquired playlist creation information with the stored music information;
Registering the music information collated in the collating step in a playlist;
A playlist creation program. The playlist creation program further accesses a purchase site for purchasing unstored music information when music information that matches the playlist creation information is not stored based on the collation result of the collating step. The program for creating a playlist according to claim 17, comprising a step of presenting information on a purchase site. The playlist creation program further stores the purchased song information and registers it in the playlist when the unstored song information is purchased via the purchase site presented in the presenting step. The program for creating a playlist according to claim 18. The searching step searches a plurality of information sites, the acquiring step calculates a logical sum of playlist creation information acquired from the searched plurality of information sites, and the collating step includes the logic step. The playlist creation program according to any one of claims 17 to 19, wherein the playlist creation information obtained as a sum is collated with the stored music information. 21. The playlist creation according to any one of claims 17 to 20, wherein the obtaining step prepares in advance format information related to the description of information on the information site, and obtains playlist creation information based on the format information. program.

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