KR20110050822A - System for distributing a audiobook using - Google Patents

Abstract

PURPOSE: An audio book distribution system using free distribution and advertisement is provided to enable an audio book provider to increase clients by using content distribution server. CONSTITUTION: A user terminal(110) searches, requests and reproduces an audio book in a communication network. An audio book providing server(120) provides the audio book to the user terminal by responding to the request of a user terminal. Based on user network information about a network address of the user terminal, an advertisement providing server(130) provides advertisement content linked to the audio book to the user terminal.

Description

Audiobook distribution system using free distribution and advertising {System for distributing a audiobook using}

1 is a diagram illustrating an audiobook distribution system 100 according to the present invention.

FIG. 2 is a diagram illustrating a method of distributing audiobooks by the system of FIG. 1.

3 is a diagram illustrating an audiobook distribution system 200 according to another embodiment of the present invention.

4 is a diagram illustrating an audiobook distribution system 300 according to another embodiment of the present invention.

5 is a diagram illustrating an audiobook distribution system 400 according to another embodiment of the present invention.

The present invention relates to an audiobook distribution system. More specifically, an audiobook producer can obtain an advertising income at the same time by distributing an audiobook and at the same time, an advertiser can obtain an advertising effect, and an ordinary user. Is an audiobook distribution system that can obtain audiobooks free of charge, and the portal service provider of the Internet can increase the concentration as a portal by allowing users to subscribe to the audiobook distribution system. .

Recently, interest in audiobooks is increasing. An audiobook refers to a voice file or a video file that can express and recognize a book that can be expressed and perceived in a visual sense, and can not be read, such as when a user is driving. This is very useful when you have a hard time reading, such as when you are blind. In particular, audiobooks have the advantage of eliminating the reading avoidance of children caused by the development of multimedia in recent years because it can remove the pressure on reading.

Despite these merits, many bases have not been expanded yet compared to existing books, and they are not easily accessible to the general public. Although the infrastructure environment for expanding the base of audiobooks has been established due to the development of the Internet, etc., it is difficult to be easily known to general consumers because of the production cost and promotion cost of audiobooks.

Accordingly, the present invention has been made to solve the above problems, to provide an audiobook distribution system that can benefit from audiobook producers, advertisers and general users by using advertising in the distribution of audiobooks.

In particular, the present invention intends to increase the effect of advertisement by enabling the user to provide an appropriate audio book and an appropriate advertisement to the user by using an Internet portal site.

In order to solve the above problems, the present invention provides a system for distributing audiobooks on a communication network, comprising: a user terminal (110) for searching, requesting, and playing audiobooks on a communication network; An audiobook providing server (120) for providing the audiobook to the user terminal in response to a request of the user terminal; And an advertisement providing server 130 providing advertisement content linked to the audiobook to the user terminal based on user network information which is information about a network address of the user terminal, wherein the user terminal displays the advertisement content. The audiobook is played only when received and played, and the advertisement providing server provides the advertisement with the audiobook instead of providing the audiobook free of charge for the audiobook transmission request of the user terminal. By transmitting to the user, the advertiser of the advertisement obtains the advertising effect, the provider of the audiobook providing server is characterized in that to obtain the advertising revenue of the advertiser.

In one embodiment, the audiobook providing server (120) comprises: an audiobook database (210) for storing, retrieving and editing audiobooks; And a link information database 220 for storing, retrieving, and editing link information, which is information linking the audiobook and the advertisement content to be played together with the audiobook. The audiobook providing server 120 includes the user terminal. When a request for an audiobook is received from the mobile terminal, the advertisement content is determined based on the link information, an advertisement content identifier indicating the determined advertisement content is transmitted to the advertisement providing server 130, and the advertisement providing server ( 130, the advertisement content corresponding to the transmitted advertisement content identifier is transmitted to the user terminal 110.

In an embodiment, the content distribution server 140 is communicatively connected to the audiobook providing server 130 and provides a general content providing service including an audiobook including a content providing service by a user member registration procedure. The audiobook providing server 130 may receive, store, retrieve, and receive user characteristic information, which is information related to a characteristic of a user created by a user member registration procedure of the content distribution server, from the content distribution server. Further comprising a user characteristic information database 230 for editing, the content distribution server 140, upon receiving the audiobook request by the user, identifies the user characteristic information corresponding to the user and the requested audiobook The audiobook identifier, which is an identifier, is transmitted to the audiobook providing server 130 and the audiobook providing server 120 is provided. The user characteristic information, and generates the link information, the advertisement providing server 130 based on the audio book identifier is characterized by transmitting the advertising content determined on the basis of the link information, the created to the user terminal.

In an embodiment, the link information may include: an advertisement content identifier identifying an advertisement content linked to the requested audiobook; And playback order information which is information identifying a playback order of the advertisement content for the audiobook, wherein the user terminal plays the advertisement content based on the playback order information.

In one embodiment, further comprising an advertising billing server 150 for determining the cost of the reproduction of the advertising content, the advertising billing server 150 information indicating that the advertisement is played from the audiobook providing server 120 Receiving a first advertisement completion signal 603, a second advertisement completion signal 604, which is information indicating that an advertisement has been played, from the advertisement providing server 130, and receiving the first advertisement completion signal 603 and On the basis of the second advertisement completion signal 604, it is confirmed whether the advertisement is played, and the advertisement fee is determined to be valid only when the verification is completed.

In one embodiment, further comprising an advertising billing server 150 for determining the cost of the reproduction of the advertising content, the advertising billing server 150 is information indicating that the advertisement has been played from the content distribution server 140 Receives a third advertisement completion signal 705, receives a fourth advertisement completion signal 706 that is information indicating that the advertisement is played from the user terminal 110, the third advertisement completion signal 705 and the fourth Based on the advertisement completion signal 706 to confirm whether or not to play the advertisement, the advertising billing server 150 determines the cost between the operator of the content distribution server and the operator of the audio book providing server based on the confirmation. It is characterized by.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating an audiobook distribution system 100 according to the present invention.

The audiobook distribution system 100 according to the present invention includes a user terminal 110, an audiobook providing server 120, and an advertisement providing server 130. All three are connected by a communication network, preferably the Internet. The communication network here includes wired and wireless internet.

The user terminal 110 searches for, requests, and plays audiobooks on a communication network. The user terminal 110 includes a general personal computer and software and hardware implemented therein. The audiobook is provided in the form of an electronic file in which audio is played or audio and video are played together, and a description thereof is omitted since it is widely known.

After the user accesses the audiobook providing server 120 using the user terminal, the user can search for and transmit a desired audiobook. The audiobook is transmitted to the user terminal through a predetermined process and played.

The audiobook providing server 120 transmits the audiobook to the user terminal in response to a request of the user terminal. The audiobook providing server 120 includes an audiobook database 210 and a link information database 220.

The audiobook database 210 is a database that can store, search, and edit audiobooks.

The link information database 220 is a database that can store, search, and edit link information. Link information is information linking the audiobook and the advertisement content to be played together with the audiobook. For example, the link information may be an advertisement content identifier for identifying advertisement content associated with a specific audiobook.

The advertisement providing server 130 provides the advertisement contents linked to the audiobook to the user terminal based on the user network information, which is information about the network address of the user terminal.

Here, the user terminal is set to play the audiobook only when playing the advertisement content received from the advertisement providing server.

Hereinafter, an operation method of the present invention will be described with reference to FIG. 2.

FIG. 2 is a diagram illustrating a method of distributing audiobooks by the system of FIG. 1.

In operation S202, the user terminal 110 transmits the audiobook request signal 122 to the audiobook providing server 120.

In step S204, the audiobook providing server 120 retrieves the audiobook 212 requested in step S202, and retrieves link information 222 set in the retrieved audiobook in step S206. The link information includes an advertisement content identifier 224 for identifying advertisement content linked to the requested audiobook, and playback order information 226 for identifying a reproduction order of the advertisement content for the audiobook.

In step S208, the audiobook providing server 120 transmits the searched link information 222 and the user network information 127, which is information about the network address of the user terminal, to the advertisement providing server 130.

In step S209, the audiobook providing server 120 transmits the searched audiobook 212 to the user terminal 110.

In operation S210, the advertisement providing server 130 receives link information 222 from the audiobook providing server 120, and provides advertisement content corresponding to the advertisement content identifier 224 included in the link information 222. Search.

In operation S212, the advertisement providing server 130 transmits the searched advertisement contents 132 to the user terminal 110. At this time, the user network information 127 of step S208 is used as the transfer destination. In one embodiment, the advertisement providing server 130 transmits the reproduction order information 133 together with the advertisement content 132 to the user terminal.

In step S214, the user terminal 110 plays the advertisement content 132 received from the advertisement providing server in step S212 and the audiobook 212 received from the audiobook providing server in step S209. If the reproduction order information is transmitted in step S212, the reproduction order is determined by the reproduction order information 226.

In step S216, in one embodiment, when the reproduction of the advertisement content is completed, the user terminal 110 transmits the advertisement completion signal 134, which is a signal indicating that the reproduction of the advertisement content is completed, to the advertisement providing server 130.

In operation S218, when the advertisement providing server 130 receives the advertisement completion signal 134, the advertisement providing server 130 counts an advertisement count indicating that advertisement reproduction is completed. The advertisement count is linked to the reproduced audiobook and stored in the database in the advertisement providing server 130, which is used for the charging process of the advertisement fee.

According to the present invention, the operator of the audiobook providing server, that is, the audiobook provider, can expand the audiobook and at the same time obtain the advertising cost from the advertiser. Can advertise, and users can obtain audiobooks for free, thereby reducing content costs.

Also, according to the present invention, since the advertisement content is directly transmitted from the advertisement providing server to the user terminal, and during the transmission period, the audiobook is transmitted directly from the audiobook providing server to the user terminal, so that the transmission time is reduced, so that the reproduction is performed on the user terminal. The time taken is reduced.

In addition, according to the present invention, since the operators of the advertisement providing server and the audio providing server do not necessarily have to be the same person, the reliability of the advertisement statistics increases. In the past, in the cooperative relationship between the advertiser entrusting the advertisement and the content provider inserting the advertisement into the content, the advertiser did not know whether the advertisement was reproduced correctly, and thus it was difficult to establish a trust relationship. There were a lot of problems in advertising method using free content because it was not obtained. However, in the present invention, the advertisement content and the audiobook are performed through separate transmission paths, and as shown in step S218, the advertisement count is directly transmitted from the user terminal to the advertisement providing server, thereby operating the advertisement providing server, that is, the advertisement operator and the advertisement. The entrusted advertiser can be sure that his or her advertisement has been normally played by the user. In other words, a trust relationship between the advertiser and the audio book provider is formed, and thus a cooperative relationship with the free content and the advertisement can be performed more smoothly.

3 is a diagram illustrating an audiobook distribution system 200 according to another embodiment of the present invention.

The audiobook distribution system 200 of FIG. 3 is basically the same as the audiobook distribution system 100 of FIG. 1, but additionally includes a content distribution server 140.

The user terminal 110 searches for, requests, and plays audiobooks on a communication network. The user terminal 110 includes a general personal computer and software and hardware implemented therein.

After the user accesses the audiobook providing server 120 using the user terminal, the user can search for and transmit a desired audiobook. The audiobook is transmitted to the user terminal through a predetermined process and played.

The audiobook providing server 120 transmits the audiobook to the user terminal in response to a request of the user terminal. The audiobook providing server 120 includes an audiobook database 210 and a link information database 220.

The audiobook database 210 is a database that can store, search, and edit audiobooks.

The link information database 220 is a database that can store, search, and edit link information. Link information is information linking the audiobook and the advertisement content to be played together with the audiobook. For example, the link information may be an advertisement content identifier for identifying advertisement content associated with a specific audiobook.

The advertisement providing server 130 provides the advertisement content linked to the audiobook to the user terminal based on the user network information, which is information about the network address of the user terminal. Here, the user terminal is set to play the audiobook only when playing the advertisement content received from the advertisement providing server.

The content distribution server 140 is a server that is communicatively connected to the audiobook providing server 130 on the Internet and provides a general content providing service including an audiobook including a content providing service by a user member registration procedure. In one embodiment, the content distribution server 140 is a so-called portal server that is a server that provides general Internet services such as mailing, searching, shopping, and the like.

The audiobook providing server 120 further includes a user characteristic information database 230 for storing, retrieving and editing user characteristic information transmitted from the content distribution server. Since each content distribution server 140a, 140b,... Has data in different formats, the audiobook providing server 120 processes and stores them in one format.

Due to the addition of the content distribution server 140, the operation principle of this embodiment is different from the embodiment of FIG. The difference is that the first user and the audiobook providing server are connected to each other through the content distribution server 140 and secondly, by using the user characteristic information of the content distribution server, the present invention determines more differentiated advertisement content for each user. Can be sent.

Hereinafter, the operation principle of the embodiment of FIG. 3 will be described.

In operation S501, the user terminal 110 transmits the audiobook request signal 301 to the content distribution server 140. The user of the user terminal 110 is a user subscribed by the membership registration procedure of the content distribution server 140. The audiobook request signal 301 includes user network information, which is information about an audiobook identifier desired by a user and a network address of a user terminal.

In operation S502, the content distribution server 140 transmits the audiobook identifier 142 and the user characteristic information 143 to the audiobook providing server 120.

The audiobook identifier 142 is information for identifying an audiobook requested by a user of the user terminal, and the content distribution server 140 extracts the audiobook request signal 301 from the audiobook request signal 301. The user characteristic information 144 represents information on the characteristics of the user created by the user in the user membership registration procedure of the content distribution server 140. For example, the user characteristic information 144 displays information on the user's gender, age, occupation, address, and the like. Include. In another embodiment, the user characteristic information includes product purchase information determined based on a group of purchased items purchased by a user of the user terminal in a shopping mall operated by the content distribution server 140.

In step s504, the audiobook providing server 120 searches for an audiobook for the audiobook identifier received in step s502.

In operation S506, the audiobook providing server 120 searches for link information corresponding to the audiobook identifier, and determines advertisement content based on the found link information.

Also, as in the embodiment of Fig. 1, the link information includes an advertisement content identifier 224 for identifying advertisement content linked to the requested audiobook and a playback order for identifying the reproduction order of the advertisement content for the audiobook. Includes information 226.

In addition, unlike the embodiment of FIG. 1, the link information 222 includes a factor that connects the audiobook and the advertisement content by the user characteristic information. For example, in the embodiment of FIG. 1, if the advertisement content and the audio book are randomly connected, the embodiment of FIG. 3 determines the advertisement content related to the audio book in consideration of user characteristic information. More specifically, the link information may include an advertisement content identifier indicating the advertisement content that is the cosmetic target when the user characteristic information indicates that the user is in his 20s and the gender of the user is female.

In operation S508, the audiobook providing server 120 transmits the searched link information 222 and the user network information 127, which is information about the network address of the user terminal, to the advertisement providing server 130. The user network information 127 may be transmitted from the content distribution server 140 as information about a network address of the user.

In operation S509, the audiobook providing server 120 transmits the audiobook 212 corresponding to the audiobook identifier to the user terminal 110.

In operation S510, the advertisement providing server 130 receives link information 222 from the audiobook providing server 120, and the advertisement content 132 corresponding to the advertisement content identifier 224 included in the link information 222. ).

In operation S512, the advertisement providing server 130 transmits the searched advertisement contents 132 to the user terminal 110. At this time, the user network information 127 of step s508 is used as the transfer destination. In one embodiment, the advertisement providing server 130 transmits the reproduction order information 133 together with the advertisement content 132 to the user terminal.

In step s514, the user terminal 110 plays the advertisement content 132 received from the advertisement providing server in step s512 and the audiobook 212 received from the audiobook providing server 120 in step s509. If the reproduction order information is transmitted in step s512, the reproduction order is determined by the reproduction order information 133.

In operation S516, in one embodiment, when the reproduction of the advertisement content is completed, the user terminal 110 transmits the advertisement completion signal 134, which is a signal indicating that the reproduction of the advertisement content is completed, to the advertisement providing server 130.

In operation S518, when the advertisement providing server 130 receives the advertisement completion signal 134, the advertisement providing server 130 counts an advertisement count indicating that advertisement reproduction is completed. The advertisement count is linked to the reproduced audiobook and stored in the database in the advertisement providing server 130, which is used for the charging process of the advertisement fee.

According to this embodiment, since it is added to the content distribution server 140, the first operator of the audiobook providing server 120 can secure the audiobook providing means, the operator of the advertisement providing server 130 is the content distribution server Advertisement effect can be obtained to the members subscribed to the 140, and third, the effect of providing the advertisement effect and the audiobook is increased by the winwin effect, thereby maximizing the profit of the sales model according to the present invention.

In addition, according to the present invention, since the audiobook providing server can use the user specific information of the user who requested the audiobook when determining the advertisement linked to the specified audiobook, the degree of association between the advertisement object and the user watching the advertisement Increased advertising can be maximized. In addition, maximizing the advertising effect is a positive factor for the audiobook provider, which is not only a good factor that can cause an increase in advertising costs, but can also bring the effect of expanding the base of the audiobook.

4 is a diagram illustrating an audiobook distribution system 300 according to another embodiment of the present invention.

In the embodiment of Figure 4, the advertising billing server 150 is added.

The advertisement billing server 150 is a server that determines an advertisement fee to be charged to the advertisement information advertiser.

The advertisement billing server 150 receives a first advertisement completion signal 603, which is information indicating that an advertisement has been played, from the audiobook providing server 120, and second information indicating that the advertisement billing server has been played from the advertisement providing server 130. Receives an advertisement completion signal 604, and confirms whether or not to play the advertisement on the basis of the first advertisement completion signal 603 and the second advertisement completion signal 604, the advertising fee is valid only when the confirmation is completed. Decide

First, when the reproduction of the advertisement content is completed, the user terminal 110 provides the audiobook providing server 120 and the first advertisement completion signal 601 and the second advertisement completion signal 602 indicating that the reproduction of the advertisement content is completed. The advertisement providing server 130 transmits.

Next, the first and second advertisement completion signals necessarily include information indicating that the advertisement has been played, and optionally, an advertisement content identifier indicating the reproduced advertisement content, and audio of an audiobook played with the advertisement content. Contains information about the book identifier, playback time, playback time, and playback frequency.

Next, the audiobook providing server 120 and the advertisement providing server 130 receive the first and second advertisement completion signals, and store and manage the same in a storage medium included in each server. This is to be used as evidence for future advertising charges.

Next, the advertisement billing server 150 receives the first advertisement completion signal 603 and the second advertisement completion signal 604 from the audiobook providing server 120 and the advertisement providing server 130, and the first and second advertisement completion signals 604. It is checked whether the second advertisement completion signals 603 and 604 match, and only when the match is confirmed, the reproduction is considered valid and the advertisement fee is charged.

According to this embodiment, the advertisement billing procedure becomes transparent due to the transmission and comparison of the advertisement completion signal. That is, the advertisement completion signal is transmitted from the user terminal to the advertisement billing server. At this time, the transmission path passes through both paths of the advertisement providing server side and the audiobook provider server side that have mutual interests, and finally the advertisement billing server matches or not. By confirming, it is possible to exclude the ground on which both information can be manipulated. Advertisers and audiobook providers can trust each other about the information about how often and how often an ad has been played, allowing advertisers to trust and entrust ads to audiobook providers. Attract more and more ads.

5 is a diagram illustrating an audiobook distribution system 400 according to another embodiment of the present invention.

5 shows a modified embodiment of FIG. 4.

The embodiment of Figure 5 is the first path to the user terminal-> audio book providing server-> advertising billing server, in addition to the second path to the user terminal-> advertising providing server-> advertising billing server, the third path and The fourth path is added.

The third path is a path leading to a user terminal-> content distribution server-> advertising billing server and may be applied to the embodiment of FIG. 3 to which a content distribution server is added. First, the content distribution server receives the advertisement completion signal from the user terminal (not shown), and the content distribution server stores the information contained in the advertisement completion signal in its own server and transmits it to the advertisement billing server 150. .

The fourth path is a path from the user terminal to the advertisement billing server, and the user terminal directly transmits the advertisement completion signal to the advertisement billing server.

The advertisement billing server 150 compares and matches the third advertisement completion signal 705 which is the advertisement completion signal transmitted through the third path and the fourth advertisement completion signal 706 which is the advertisement completion signal transmitted through the fourth path. If the match is confirmed, the play can be reflected in the advertising fee only.

According to the present embodiment, the path for the advertisement completion signal is added, so that more reliable charging can be confirmed. In particular, the content distribution server is a portal site that provides a general Internet service, and has a different interest from advertisers and audiobook providers in providing user characteristic information. The confirmation signal whether or not the advertisement is played should also be verified. The advertiser or the audio book provider can verify the reliability of the new interest by verifying the advertisement completion signal provided by the operator of the content distribution server using the advertisement completion signal transmitted directly from the user terminal.

In addition, according to the present embodiment, the relationship between the operator of the content distribution server and the operator (audio book provider) of the audio book providing server can be adjusted more transparently. In general, an audiobook provider uses a subscriber of a content distribution server (portal site), and therefore, an appropriate cost should be paid to the operator of the content distribution server. In this case, the cost may be charged using the advertisement completion signal through the third and fourth paths. The advertisement billing server can provide transparent data on the cost settlement between the operator of the content distribution server and the operator of the audio book providing server.

Meanwhile, the audiobook distribution method according to the present invention can be created by a computer program. The codes and code segments that make up the program can be easily deduced by a computer programmer in the field. In addition, the program is stored in a computer readable media, and read and executed by a computer to implement an audiobook distribution method. The information storage medium includes a magnetic recording medium, an optical recording medium, and a carrier wave medium.

So far I looked at the center of the preferred embodiment for the present invention. Those skilled in the art will appreciate that the present invention can be implemented in a modified form without departing from the essential features of the present invention. Therefore, the disclosed embodiments should be considered in an illustrative rather than a restrictive sense. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the scope will be construed as being included in the present invention.

As described above, according to the present invention, the audiobook provider is provided with a content distribution system that can obtain the bottom of the audiobook and the advertising cost income, the advertiser obtains the advertising effect, the user can obtain the audiobook for free. .

In addition, according to the present invention, the advertiser can provide a differentiated advertisement to the user by using the content distribution server, the audiobook provider can expand the user by using the content distribution server and at the same time provide a basis for expanding advertising costs have.

In addition, according to the present invention, the transparency of the settlement of the advertising cost between the advertiser and the audio book provider increases by diversifying the acquisition of the advertisement completion signal of the advertising billing server.

In addition, according to the present invention, the transparency of cost settlement between the operator (portal site) of the content distribution server and the audio book provider is increased by the diversification of the advertisement completion signal acquisition of the advertisement billing server.

Claims (6)

In a system for distributing audiobooks over a communication network, A user terminal 110 for searching, requesting, and playing back audiobooks on a communication network; An audiobook providing server (120) for providing the audiobook to the user terminal in response to a request of the user terminal; And An advertisement providing server 130 providing advertisement content linked to the audiobook to the user terminal based on user network information which is information about a network address of the user terminal, The user terminal plays the audiobook only when receiving and playing the advertisement content. Instead of the audiobook providing server providing the audiobook for the audiobook transmission request of the user terminal free of charge, the advertisement providing server transmits the advertisement to the user along with the audiobook so that the advertiser of the advertisement has an advertisement effect. And the provider of the audiobook providing server obtains the advertisement income of the advertiser. The method of claim 1, wherein the audiobook providing server 120, An audiobook database 210 for storing, retrieving and editing audiobooks; And a link information database 220 for storing, retrieving, and editing link information, which is information linking the audiobook and the advertisement content to be played together with the audiobook. When the audiobook request server 120 receives a request for an audiobook from the user terminal, the audiobook providing server 120 determines the advertisement content based on the link information, and identifies an advertisement content identifier indicating the determined advertisement content. To 130, The advertisement providing server 130 transmits the advertisement content corresponding to the transmitted advertisement content identifier to the user terminal (110). The method of claim 2, Further comprising a content distribution server 140 is communicatively connected to the audiobook providing server 130 and provides a universal content providing service including an audiobook including a content providing service by a user member registration procedure. , The audiobook providing server 130, And a user characteristic information database 230 for receiving, storing, retrieving, and editing user characteristic information, which is information related to characteristics of a user created by a user member registration procedure of the content distribution server, from the content distribution server. When the content distribution server 140 receives the audiobook request by the user, the audiobook identifier server 130, which is an identifier for identifying the requested audiobook and user characteristic information corresponding to the user, is included in the audiobook providing server 130. ), The audiobook providing server 120 generates the link information based on the user characteristic information and the audiobook identifier, and the advertisement providing server 130 displays the advertisement content determined based on the generated link information. Audiobook distribution system characterized in that the transmission to the terminal. The method of claim 3, wherein the link information, An advertisement content identifier for identifying advertisement content linked to the requested audiobook; And Includes playback order information that is information identifying the playback order of the advertisement content for the audiobook, And the user terminal plays the advertisement content based on the play order information. The method of claim 3, further comprising an advertising billing server 150 for determining the cost of the reproduction of the advertising content, The advertisement billing server 150 receives a first advertisement completion signal 603 which is information indicating that an advertisement has been played from the audiobook providing server 120 and information indicating that an advertisement has been played from the advertisement providing server 130. Receives a second advertisement completion signal 604, checks whether an advertisement is played based on the first advertisement completion signal 603 and the second advertisement completion signal 604, and the advertisement fee only when the verification is completed. Audiobook distribution system, characterized in that to determine the valid. The method of claim 3, further comprising an advertising billing server 150 for determining the cost of the reproduction of the advertising content, The advertisement billing server 150 receives a third advertisement completion signal 705, which is information indicating that the advertisement has been played, from the content distribution server 140, and receives information indicating that the advertisement has been played from the user terminal 110. Receives a fourth advertisement completion signal 706, and confirms whether or not the advertisement is played based on the third advertisement completion signal 705 and the fourth advertisement completion signal 706, The advertisement billing server 150 determines the cost between the operator of the content distribution server and the operator of the audiobook providing server based on the confirmation.

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