KR102516211B1 - Method and Apparatus for Providing Recommended Playlists - Google Patents

Abstract

A method for providing a recommended playlist and an apparatus therefor are disclosed.
A method for providing a recommended playlist according to an embodiment of the present invention includes a signal acquisition step of obtaining a search request signal for a recommended playlist for a previously provided reference playlist from a user terminal; an analysis step of analyzing reference sound source information for the reference playlist based on the search request signal; a search step of searching for a recommended playlist from all pre-stored playlists based on the reference sound source information; and providing the searched recommended playlist to the user terminal.

Description

Method and apparatus for providing recommended playlists {Method and Apparatus for Providing Recommended Playlists}

The present invention relates to a method for searching for and providing a recommended playlist based on a reference playlist, and an apparatus for providing a recommended playlist.

The contents described in this section simply provide background information on the embodiments of the present invention and do not constitute prior art.

Recently, with the development of mobile communication networks and the spread of smart phones, a lot of digital media has become commonplace for users, and the need for effective information search and recommendation methods using them is increasing. In particular, in recommending music, there is an increasing demand for a method of recommending suitable music to a user even if the user does not have prior knowledge about music.

In current music services, a large number of playlists are created and managed to respond to various tastes and situations.

However, from a user's point of view, it is very difficult to find a playlist desired by a user among thousands to tens of thousands of playlists. In order to enhance user convenience and efficiency in searching for a playlist, various studies are being conducted to search for a playlist similar to the currently playing playlist.

In general music services, similar playlists are directly operated so that they can be additionally linked to one playlist, or they are managed so that they can be searched based on tags. there is.

The present invention provides a recommended playlist providing method and apparatus for analyzing information on a pre-provided reference playlist, searching for a recommended playlist from all pre-stored playlists based on the analysis result, and providing the recommended playlist to a user terminal. There is a main purpose.

According to one aspect of the present invention, a method for providing a recommended playlist to achieve the above object includes a signal acquisition step of obtaining a search request signal for a recommended playlist for a previously provided reference playlist from a user terminal; an analysis step of analyzing reference sound source information for the reference playlist based on the search request signal; a search step of searching for a recommended playlist from all pre-stored playlists based on the reference sound source information; and providing the searched recommended playlist to the user terminal.

In addition, according to another aspect of the present invention, a music service providing apparatus for achieving the above object includes one or more processors and a memory for storing one or more programs executed by the one or more processors, wherein the processor is configured to: a signal acquisition step of obtaining a search request signal for a recommended playlist for a previously provided reference playlist from a terminal; an analysis step of analyzing reference sound source information for the reference playlist based on the search request signal; a search step of searching for a recommended playlist from all pre-stored playlists based on the reference sound source information; and providing the searched recommended playlist to the user terminal.

As described above, the present invention has an effect of searching for and providing a recommended playlist having a high degree of similarity by analyzing a reference playlist and searching for a recommended playlist.

In addition, the present invention has an effect of providing a playlist desired by the user with high similarity accuracy by searching for a similar recommended playlist using all or part of individual sound sources included in the reference playlist.

1 is a schematic block diagram of a music service providing system according to an embodiment of the present invention.
2 is a block diagram schematically illustrating a music service providing apparatus for providing a recommended playlist according to an embodiment of the present invention.
3A and 3B are exemplary diagrams for explaining a screen and operation of a user terminal for searching for a recommended playlist according to an embodiment of the present invention.
4 is a flowchart illustrating a method of providing a recommended playlist by a music service providing apparatus according to an embodiment of the present invention.
5A and 5B are exemplary diagrams for explaining an operation of searching for a recommended playlist based on similarity according to an embodiment of the present invention.
6 is a schematic block diagram of a music service providing device implemented as a computing device according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the present invention, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present invention, the detailed description will be omitted. In addition, although preferred embodiments of the present invention will be described below, the technical idea of the present invention is not limited or limited thereto and can be modified and implemented in various ways by those skilled in the art. Hereinafter, a method for providing a recommended playlist proposed in the present invention and an apparatus therefor will be described in detail with reference to drawings.

1 is a schematic block diagram of a music service providing system according to an embodiment of the present invention.

A music service providing system according to this embodiment includes a music service providing apparatus 10 , a music service database 12 and a user terminal 20 . The music service providing system of FIG. 1 is according to an embodiment, and all blocks shown in FIG. 1 are not essential components, and some blocks included in the music service providing system may be added, changed, or deleted in another embodiment. there is.

The music service providing device 10 refers to a device that provides a music service by interworking with the user terminal 10 .

The music service providing apparatus 10 may basically provide a standard playlist according to a user's request and search for a recommended playlist similar to the standard playlist according to the user's request.

The music service providing device 10 may retrieve data from all playlists stored in the music service database 12 and provide a standard playlist and a recommended playlist to the user terminal 20, but is not necessarily limited thereto. A music service may be provided using a playlist stored in the service providing device 10 . A detailed description of an operation of providing a music service in the music service providing apparatus 10 will be described in FIG. 2 .

The music service database 12 refers to a general data structure implemented in the storage space (hard disk or memory) of a computer system using a database management program (DBMS), and searches (extracts), deletes, edits, and adds data. It refers to a data storage format that can freely perform, such as Oracle, Informix, Sybase, and relational database management systems (RDBMS) such as DB2, Gemston, Orion One implementation of the present invention using object-oriented database management systems (OODBMS) such as (Orion) and O2 and XML Native Databases such as Excelon, Tamino, and Sekaiju. It can be implemented for the purpose of the example, and has appropriate fields or elements to achieve its function.

The music service database 12 according to the present embodiment may store data or information (eg, playlist, sound source, etc.) for providing music service, and provide the stored data and information to the music service providing apparatus 10. . Although the music service database 12 is described as a data storage device separate from the music service providing device 10, it is not necessarily limited thereto, such as a sound source service storage unit (not shown) in the music service providing device 10. It can also be implemented in a form.

The user terminal 20 includes a processor 21, a display 24 and a communication unit 26, and the music service application 22 may be driven by the processor 21.

The processor 210 may generate an action history by a user's action of listening to a sound source or selecting a menu through a display, and may generate preference input information input by the user.

The processor 210 works with a memory (not shown) that stores programs executed by the processor. The memory includes at least one instruction or program executable by the processor 210 . The memory may include instructions or programs for requirements for providing a music service. Also, the memory may include a command or program for generating a script for providing a music service.

The display 24 displays playback information (eg, name of a sound source, playback time of a sound source, etc.) for a reference playlist selected by the user, and a button (touch area) for requesting a recommended playlist similar to the reference playlist by the user. can provide.

The communication unit 26 may perform communication with the music service providing device 10 in order to select a standard playlist or request a recommended playlist by a user's manipulation or input.

2 is a block diagram schematically illustrating a music service providing apparatus for providing a recommended playlist according to an embodiment of the present invention.

The music service providing apparatus 10 according to the present embodiment includes a signal acquisition unit 210, a standard playlist providing unit 220, a playlist search unit 230, and a recommended playlist providing unit 240. The music service providing device 10 of FIG. 2 is according to an embodiment, and all blocks shown in FIG. 2 are not essential components, and in another embodiment, some blocks included in the music service providing device 10 are added. , may be changed or deleted.

The signal acquisition unit 210 interworks with the user terminal 20 and performs an operation of obtaining various signals and information.

The signal acquisition unit 210 acquires a selection signal for providing a reference playlist from the user terminal 20 . Here, the selection signal means a signal requesting a playlist selected by the user among all previously stored playlists, and the selected playlist (reference playlist) is a playlist that can be provided through a music providing service, a predetermined recommendation method, or recommendation logic. It may be a playlist recommended to the user through , a playlist directly created by the user, and the like.

The signal acquisition unit 210 transmits a selection signal to the reference playlist providing unit 220 so that the reference playlist corresponding to the selection signal is provided to the user terminal 20 .

Meanwhile, the signal acquisition unit 210 may obtain a search request signal for a recommended playlist for a previously provided reference playlist from the user terminal 20 . Here, the search request signal means a signal for requesting a search for a playlist in order to receive a recommendation for a new playlist (recommended playlist) that is similar to or has something in common with the reference playlist.

The signal acquisition unit 210 transmits a search request signal to the playlist search unit 230 so that a recommended playlist similar to the reference playlist is searched for.

The reference playlist providing unit 220 performs an operation of providing a reference playlist to the user terminal 20 .

The reference playlist providing unit 220 provides the user terminal 20 with a reference playlist corresponding to the selection signal received from the user terminal 20 . The standard playlist providing unit 220 extracts a standard playlist corresponding to a selection signal from among all playlists pre-stored in the music service database 12 and provides the extracted standard playlist to the user terminal 20 .

When a search request signal for a recommended playlist is received, the playlist search unit 230 analyzes the reference playlist and searches for a recommended playlist similar to the reference playlist based on the analysis result. The playlist search unit 230 according to the present embodiment includes a reference playlist analyzer 232 and a recommended playlist search unit 234 .

The standard playlist analyzer 232 analyzes the standard playlist provided to the user terminal 20 in order to search for a recommended playlist.

The reference playlist analyzer 232 checks playlist information on the reference playlist. Here, the playlist information may include list attribute information such as title information, tag information, category information, popularity information, and recency information of the playlist.

Also, the reference playlist analyzer 232 checks reference sound source information for each individual sound source included in the reference playlist. Here, the reference sound source information may include song attribute information such as song title information, artist information, tag information, genre information, style information, popularity information, latest information, release year information, etc. for each individual sound source.

The recommended playlist search unit 234 searches for a recommended playlist similar to the reference playlist from all pre-stored playlists based on playlist information, reference sound source information, and the like.

The recommended playlist search unit 234 may search for candidate recommended playlists from all playlists and finally select a recommended playlist from among the candidate recommended playlists.

The recommended playlist search unit 234 may search for a candidate recommended playlist by grouping individual sound sources included in the reference playlist.

The recommended playlist search unit 234 creates at least one reference sound source group by grouping individual sound sources included in the reference playlist using predetermined song property information included in the reference sound source information. Then, the recommended playlist search unit 234 searches for a candidate recommendation playlist using a reference sound source included in a specific reference sound source group among at least one reference sound source group. Specifically, the recommended playlist search unit 234 selects a reference sound source group having the largest number of individual sound sources among at least one reference sound source group as a specific reference sound source group, and selects a reference sound source included in the selected specific reference sound source group. A candidate recommendation playlist may be searched using sound source information.

On the other hand, the recommended playlist search unit 234 groups individual sound sources included in the reference playlist to search for candidate recommendation playlists, but is not necessarily limited thereto, and uses playlist information of the reference playlist. Candidate recommendation playlists may be searched from all pre-stored playlists. For example, the recommended playlist search unit 234 may search a playlist similar to or having a common property with playlist information of a reference playlist among all playlists as a candidate recommendation playlist.

Then, the recommended playlist search unit 234 finally selects a recommended playlist to be provided to the user terminal 20 from among the candidate recommended playlists.

The recommended playlist search unit 234 compares individual sound sources of the reference playlist with individual sound sources of the candidate recommendation playlist to calculate a degree of similarity with respect to the candidate recommendation playlist.

The recommended playlist search unit 234 according to the first embodiment compares each individual sound source included in the reference playlist with all individual sound sources included in the candidate recommendation playlist to calculate a similarity of at least one sound source, and calculates a similarity of at least one sound source. The similarity of the candidate recommendation playlist is calculated using the sound source similarity.

The recommended playlist search unit 234 according to the second embodiment matches each of the individual sound sources included in the reference playlist with each of the individual sound sources included in the arranged candidate recommendation playlist according to the arrangement order, and then finds the matched individual sound sources. The comparison is performed to calculate the similarity of at least one sound source, and the similarity to the candidate recommendation playlist is calculated using the similarity of the at least one sound source.

The recommended playlist search unit 234 compares the similarity of the candidate recommended playlist with a preset similarity criterion threshold, and selects the candidate recommended playlist as the recommended playlist when the similarity is greater than or equal to the similarity criterion threshold.

The recommended playlist provider 240 provides the searched recommended playlist to the user terminal 20 .

When there are a plurality of recommended playlists having a similarity equal to or higher than the threshold value, the recommended playlist providing unit 240 may arrange the plurality of recommended playlists in a random order and provide the recommended playlists to the user terminal 20 .

Meanwhile, the recommended playlist providing unit 240 calculates a similarity difference value between the similarity of each of the plurality of recommended playlists and a similarity criterion threshold, and after arranging the plurality of recommended playlists based on the similarity difference value, the user terminal 20 ) can be provided. Here, it is preferable that the recommended playlist providing unit 240 arranges a plurality of recommended playlists in an order of a large difference in similarity among the plurality of recommended playlists and transmits the recommended playlists to the user terminal 20 , but is not necessarily limited thereto.

It has been described that the recommended playlist providing unit 240 according to the present embodiment sorts a plurality of recommended playlists in random order or sorts them using a similarity to each recommended playlist, but is not necessarily limited thereto. .

For example, the recommended playlist providing unit 240 sorts the plurality of recommended playlists by using the similarity related to the user, or sorts the plurality of recommended playlists by combining the similarity to the recommended playlist and the similarity to the user. You may. Here, the degree of similarity related to the user may be calculated by comparing the user's selection history of sound source selection and sound source listening history with feedback information about the sound source selection history and sound source listening history included in each of a plurality of recommended playlists.

3A and 3B are exemplary diagrams for explaining a screen and operation of a user terminal for searching for a recommended playlist according to an embodiment of the present invention.

Referring to FIGS. 3A and 3B , the user terminal 10 may output the music service provided from the music service providing device 10 through a user interface (UI) screen (hereinafter referred to as a terminal screen). there is.

Hereinafter, a manipulation operation for searching for a recommended playlist will be described.

A previously provided reference playlist 320 is displayed on the screen of the terminal, and a touch area 310 for searching for a recommended playlist based on the reference playlist 320 is provided.

When the user performs an input (eg, touch) on the touch area 310, the music service providing device 10 obtains a search request signal from the user terminal 20, and recommends plays similar to the reference playlist 320. search the list Here, the search request signal may include information about the reference playlist 320 being output on the screen of the terminal.

The music service providing apparatus 10 recommends a recommended playlist 330 that includes sound sources similar to individual sound sources included in the reference playlist 320 for candidate recommendation playlists (eg, a list by theme) possessed. Search.

The music service providing apparatus 10 compares one sound source included in the reference playlist 320 with all sound sources included in a predetermined candidate recommendation playlist possessed, and uses a similarity calculated to create a recommended playlist 330. can be searched for. For example, the music service providing apparatus 10 compares the first sound source of the reference playlist with all of the 1st to 20th sound sources of the candidate recommendation playlist, respectively, measures the similarity, and measures the similarity between the second sound source of the reference playlist and the candidate recommendation. The recommended playlist 330 may be searched using the similarity calculated by comparing each of the 1st to 20th sound sources of the playlist to measure the similarity.

On the other hand, the music service providing apparatus 10 compares each of the sound sources included in the reference playlist 320 with each of the sound sources included in a predetermined candidate recommendation playlist held in order, and uses the calculated similarity to recommend a playlist. (330). For example, the music service providing apparatus 10 measures the similarity between the first sound source of the reference playlist and the first sound source of the candidate recommendation playlist, and measures the similarity between the second sound source of the reference playlist and the second sound source of the candidate recommendation playlist. The recommended playlist 330 may be searched using the similarity between the reference playlist and the entire candidate recommendation playlist calculated by measuring the similarity of .

The music service providing apparatus 10 selects candidate recommended playlists whose similarity measurement value with the reference playlist 320 is equal to or higher than the similarity criterion threshold as the recommended playlist 330 and provides the selected playlists to the user terminal 20 .

The music service providing apparatus 10 may set a similarity criterion threshold as an average of similarities calculated for each of a plurality of candidate recommended playlists, but is not necessarily limited thereto. The music service providing device 10 compares the similarity calculated for each individual sound source included in the candidate recommendation playlist with the similarity criterion threshold, and additionally considers whether or not the sound source is included below the similarity criterion threshold and the ratio of sound sources below the threshold, etc. A playlist 330 may be selected.

The recommended playlist search result 340 output on the terminal screen includes a plurality of recommended playlists, and the order of presentation of the recommended playlists may be determined by the size of similarity value, taste score for each user, and the like.

4 is a flowchart illustrating a method of providing a recommended playlist by a music service providing apparatus according to an embodiment of the present invention.

The music service providing apparatus 10 obtains a selection signal for a reference playlist from the user terminal 20 (S410).

The music service providing apparatus 10 provides a reference playlist corresponding to the selection signal to the user terminal (S420). A reference playlist corresponding to a selection signal may be extracted from among all playlists pre-stored in the music service database 12 and provided to the user terminal 20 .

The music service providing apparatus 10 obtains a search request signal for a recommended playlist for a reference playlist from the user terminal 20 (S430). Here, the search request signal means a signal for requesting a search for a playlist in order to receive a recommendation for a new playlist (recommended playlist) that is similar to or has something in common with the reference playlist.

The music service providing apparatus 10 analyzes the reference playlist based on the search request signal (S440). The music service providing apparatus 10 checks playlist information for a reference playlist and reference sound source information for each individual sound source included in the reference playlist. Here, the playlist information may include list attribute information such as title information, tag information, category information, popularity information, and recency information of the playlist, and the reference sound source information may include song title information for each sound source, artist information, Song property information such as tag information, genre information, style information, popularity information, latest information, and release year information may be included.

The music service providing apparatus 10 searches for a recommended playlist from all pre-stored playlists based on individual sound source information (S450). Specifically, the music service providing apparatus 10 may search for candidate recommended playlists from all pre-stored playlists using playlist information, reference sound source information, and the like, and finally select a recommended playlist from among the candidate recommended playlists. there is.

In step S450, the music service providing apparatus 10 according to the first embodiment compares each individual sound source included in the reference playlist with all individual sound sources included in the candidate recommendation playlist to calculate a similarity of at least one sound source, The recommended playlist is selected by comparing the similarity of the candidate recommendation playlist calculated using the similarity of at least one sound source with a preset similarity criterion threshold.

In step S450, the music service providing apparatus 10 according to the second embodiment matches each of the individual sound sources included in the reference playlist with each of the individual sound sources included in the arranged candidate recommendation playlist according to the arrangement order, and then matches the matched sound sources. At least one sound source similarity is calculated by comparing individual sound sources, and a recommended playlist is selected by comparing the similarity of the candidate recommendation playlist calculated using the at least one sound source similarity with a preset similarity criterion threshold.

The music service providing apparatus 10 provides the searched recommended playlist based on the reference playlist to the user terminal 20 (S460). The music service providing apparatus 10 may arrange a plurality of recommended playlists in a random order or arrange a predetermined order using a similarity to each recommended playlist and provide the recommended playlists to the user terminal 20 .

Meanwhile, the music service providing apparatus 10 arranges a plurality of recommended playlists in a random order or sorts them using a similarity to each recommended playlist, but is not necessarily limited thereto.

For example, the music service providing apparatus 10 may sort the plurality of recommended playlists by using the similarity related to the user, or sort the plurality of recommended playlists by combining the similarity to the recommended playlist and the similarity to the user. may be Here, the degree of similarity related to the user may be calculated by comparing the user's selection history of sound source selection and sound source listening history with feedback information about the sound source selection history and sound source listening history included in each of a plurality of recommended playlists.

In FIG. 4, each step is described as sequentially executed, but is not necessarily limited thereto. In other words, since it will be applicable to changing and executing the steps described in FIG. 4 or executing one or more steps in parallel, FIG. 4 is not limited to a time-series sequence.

The method for providing a recommended playlist according to the present embodiment described in FIG. 4 may be implemented as an application (or program) and recorded on a recording medium readable by a terminal device (or computer). All types of recording media in which an application (or program) for implementing the method of providing a recommended playlist according to the present embodiment is recorded and which is readable by a terminal device (or a computer) stores data that can be read by a computing system. Including devices or media.

5A and 5B are exemplary diagrams for explaining an operation of searching for a recommended playlist based on similarity according to an embodiment of the present invention.

5A is a diagram for explaining an operation of selecting a recommended playlist according to the first embodiment, and FIG. 5B is a diagram for explaining an operation of selecting a recommended playlist according to the second embodiment.

Referring to FIG. 5A , the music service providing apparatus 10 compares one sound source included in the reference playlist 510 with all sound sources included in the first candidate recommendation playlist 520 and uses a similarity calculated You can select a recommended playlist.

For example, the music service providing apparatus 10 compares a sound source a of the reference playlist 510 and all a to d sound sources of the first candidate recommendation playlist 520, respectively, measures similarity, and measures the similarity, and the reference playlist ( A recommended playlist may be selected using the first similarity calculated by comparing sound source b of 510) and all sound sources a to d of the first candidate recommendation playlist 520 to measure similarity.

Referring to FIG. 5B , the music service providing apparatus 10 compares each sound source included in the reference playlist 510 with each sound source included in the first candidate recommendation playlist 520 in order and uses the calculated similarity. You can select a recommended playlist by doing so.

For example, the music service providing apparatus 10 measures a similarity between sound source a of the reference playlist 510 and sound source a-1 of the first candidate recommendation playlist 520, and b of the reference playlist 510. The recommended playlist is determined by using the first similarity between the reference playlist 510 and the candidate recommendation playlist 520 calculated by measuring the similarity between the sound source and b-2 sound source of the first candidate recommended playlist 520. You can search.

6 is a schematic block diagram of a music service providing device implemented as a computing device according to an embodiment of the present invention.

6 is a block diagram illustrating and illustrating a music service providing apparatus 10 implemented as a computing device suitable for use in exemplary embodiments. In the illustrated embodiment, each component may have different functions and capabilities other than those described below, and may include additional components other than those described below. In one embodiment, the music service providing device 10 may be any type of computing device that transmits and receives signals with other terminals.

The music service providing apparatus 10 includes at least one processor 610, a computer readable storage medium 620, and a communication bus 660. The processor 610 may cause the music service providing apparatus 10 to operate according to the above-mentioned exemplary embodiment. For example, the processor 610 may execute one or more programs stored in the computer readable storage medium 620 . The one or more programs may include one or more computer executable instructions, which, when executed by the processor 610, cause the music service providing device 10 to perform operations according to an exemplary embodiment. can be configured to

Computer-readable storage medium 620 is configured to store computer-executable instructions or program code, program data, and/or other suitable form of information. The program 1030 stored in the computer readable storage medium 620 includes a set of instructions executable by the processor 610 . In one embodiment, computer readable storage medium 620 may include memory (volatile memory such as random access memory, non-volatile memory, or a suitable combination thereof), one or more magnetic disk storage devices, optical disk storage devices, flash It may be memory devices, other types of storage media that can be accessed by the music service providing apparatus 10 and store desired information, or a suitable combination thereof.

The communication bus 660 interconnects various other components of the music service providing device 10, including the processor 610 and the computer readable storage medium 620.

The music service providing apparatus 10 may also include one or more input/output interfaces 640 and one or more communication interfaces 650 providing interfaces for one or more input/output devices (not shown). Input/output interface 640 and communication interface 650 are connected to communication bus 660 . An input/output device (not shown) may be connected to other components of the music service providing device 10 through an input/output interface 640 . Exemplary input/output devices include a pointing device (such as a mouse or trackpad), a keyboard, a touch input device (such as a touchpad or touchscreen), an input device such as a voice or sound input device, various types of sensor devices, and/or a photographing device; and/or output devices such as display devices, printers, speakers, and/or network cards. An exemplary input/output device (not shown) may be included inside the music service providing device 10 as a component constituting the music service providing device 10, or as a separate device distinct from the music service providing device 10. It may be connected to a computing device.

The above description is only illustrative of the technical idea of the embodiment of the present invention, and those skilled in the art to which the embodiment of the present invention belongs can make various modifications and modifications within the scope not departing from the essential characteristics of the embodiment of the present invention. transformation will be possible. Therefore, the embodiments of the present invention are not intended to limit the technical idea of the embodiment of the present invention, but to explain, and the scope of the technical idea of the embodiment of the present invention is not limited by these examples. The protection scope of the embodiments of the present invention should be construed according to the claims below, and all technical ideas within the equivalent range should be construed as being included in the scope of the embodiments of the present invention.

10: music service provider 12: music service database
20: user terminal
210: signal acquisition unit 220: reference playlist providing unit
230: playlist search unit 240: recommended playlist providing unit

Claims (11)

A method for providing a recommended playlist in a music service providing device interworking with a user terminal,
a signal acquisition step of acquiring a search request signal of a recommended playlist for a previously provided reference playlist from the user terminal;
an analysis step of analyzing reference sound source information for the reference playlist based on the search request signal;
a search step of searching for a recommended playlist from all pre-stored playlists based on the reference sound source information; and
A providing step of providing the searched recommended playlist to the user terminal,
The analyzing step includes checking playlist information for the reference playlist and reference sound source information for each individual sound source included in the reference playlist;
The searching step may include: searching for a candidate recommendation playlist from all pre-stored playlists using the playlist information; calculating a degree of similarity with respect to the candidate recommendation playlist by comparing individual sound sources of the reference playlist with individual sound sources of the candidate recommendation playlist; and selecting the recommended playlist by comparing the degree of similarity with a preset similarity criterion threshold;
The calculating of the similarity may include calculating a similarity of at least one sound source for each individual sound source by comparing each individual sound source included in the reference playlist with all individual sound sources included in the candidate recommendation playlist, and A method for providing a recommended playlist, characterized in that the recommended playlist is selected by comparing the similarity of each of the candidate recommended playlists calculated using the similarity of one sound source. delete According to claim 1,
The search step is
generating at least one reference sound source group by grouping individual sound sources included in the reference playlist using predetermined attribute information included in the reference sound source information; and
Searching for a candidate recommendation playlist using a reference sound source included in a specific reference sound source group among the at least one reference sound source group
A method for providing a recommended playlist comprising a. According to claim 3,
The search step is
Among the at least one reference sound source group, a reference sound source group having the largest number of individual sound sources is selected as the specific reference sound source group, and the candidate is recommended using reference sound source information of the reference sound source included in the selected specific reference sound source group. A method of providing a recommended playlist, characterized in that the playlist is searched. According to claim 1,
In the step of selecting the recommended playlist,
and comparing the similarity with a preset similarity criterion threshold, and selecting a corresponding candidate recommended playlist as the recommended playlist when the similarity is greater than or equal to the similarity criterion threshold. delete According to claim 5,
The search step is
Each individual sound source included in the reference playlist and each individual sound source included in the candidate recommendation playlist are matched in the order of arrangement and then compared to calculate a similarity of at least one sound source, and using the similarity of at least one sound source and selecting the recommended playlist by comparing similarities with the calculated candidate recommended playlists. A music service providing apparatus including one or more processors and a memory storing one or more programs executed by the one or more processors, wherein the processor comprises:
a signal acquisition step of obtaining a search request signal for a recommended playlist for a previously provided reference playlist from a user terminal;
an analysis step of analyzing reference sound source information for the reference playlist based on the search request signal;
a search step of searching for a recommended playlist from all pre-stored playlists based on the reference sound source information; and
performing a providing step of providing the searched recommended playlist to the user terminal;
The analyzing step includes checking playlist information for the reference playlist and reference sound source information for each individual sound source included in the reference playlist;
The searching step may include: searching for a candidate recommendation playlist from all pre-stored playlists using the playlist information; Comparing individual sound sources of the reference playlist with individual sound sources of the candidate recommendation playlist to calculate a degree of similarity with respect to the candidate recommendation playlist; and selecting the recommended playlist by comparing the degree of similarity with a preset similarity criterion threshold;
The calculating of the similarity may include calculating a similarity of at least one sound source for each individual sound source by comparing each individual sound source included in the reference playlist with all individual sound sources included in the candidate recommendation playlist, and The music service providing apparatus characterized in that the recommended playlist is selected by comparing the similarity of each of the candidate recommended playlists calculated using the similarity of one sound source. According to claim 8,
The playlist information includes at least one of list title information, tag information, category information, popularity information, and recency information, and the reference sound source information includes song title information for each sound source, artist information, tag information, genre information, A music service providing device comprising at least one of style information, popularity information, recency information, and release year information. According to claim 9,
The search step is
generating at least one reference sound source group by grouping individual sound sources included in the reference playlist using predetermined attribute information included in the reference sound source information; and
Searching for a candidate recommendation playlist using a reference sound source included in a specific reference sound source group among the at least one reference sound source group
A music service providing device comprising a. According to claim 9,
In the step of selecting the recommended playlist,
and comparing the similarity with a preset similarity criterion threshold, and selecting a corresponding candidate recommended playlist as the recommended playlist when the similarity is greater than or equal to the similarity criterion threshold.

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