KR100709756B1 - System for providing multimedia contents via networks, method thereof and apparatus for buying multimedia contents - Google Patents

Abstract

The present invention discloses a multimedia content providing system, a providing method, and a multimedia content purchasing apparatus through a communication network.

According to the present invention, a content reproduction output unit for outputting multimedia contents so that users can listen directly or through a predetermined means, and wirelessly broadcast the information about the content to the region that can hear the sound output from the content reproduction output unit Content information transmission unit to receive the multimedia content information transmitted wirelessly, the content information receiving unit to display the information to each user, the multimedia content information selected by the user who confirms the multimedia content information displayed on the content information receiving unit when the multimedia is inputted Receives the information transmission unit for transmitting the content information and information about the user through a predetermined communication network and the information transmitted by the information transmission unit to store the information about the user and the multimedia content information, the user is a predetermined communication network including the web Fold through Request a multimedia content, including a content management server that transmits the multimedia content by a user-specified playback means, including downloading or streaming transmission, the user can immediately purchase the desired multimedia content, regardless of the multimedia It is possible to expand the area of content use because the content can be serviced.

Description

System for providing multimedia contents via networks, method about and apparatus for buying multimedia contents}

1 is a block diagram showing the configuration of a multimedia content providing system according to the present invention.

2 illustrates an example of a flow of a method for providing multimedia content according to the present invention.

3 is a block diagram showing the configuration of an apparatus for purchasing multimedia contents through a communication network according to the present invention.

Figure 4 illustrates an environment that can be a multimedia content playback service through a variety of content playback means in accordance with the present invention.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to digitized multimedia content, and more particularly, to a system for providing multimedia content through a communication network including wireless communication, a method for providing the same, and an apparatus for purchasing multimedia content.

The conventional method of providing a multimedia content to a consumer such as a digital sound source or the consumer selects a sound source is to purchase the sound source and download it first to a device such as a PC, or to connect the device to an interface such as USB, IEEE1394 or RS232C. The sound source is downloaded to the playback device again and used. Alternatively, when a song is selected through the Internet, the music source of the song is received as streaming data and played back in real time. There is no method for allowing a user to purchase multimedia contents on the fly.

That is, the conventional multimedia content providing method does not provide a method of providing a service corresponding to the prompt and improvised content purchasing urge of a relatively young age consumer as in the present.

The technical problem to be achieved by the present invention, to solve the above problems, the multimedia content providing system and a method for providing the multimedia content through a communication network that can instantly purchase multimedia content including the desired sound source regardless of the place and providing the same To provide.

Another technical problem to be achieved by the present invention is to provide a sound source purchase apparatus that can purchase multimedia content according to the multimedia content providing method.

According to the present invention for solving the above technical problem, a system for providing multimedia content through a communication network is a content for outputting multimedia content so that users can listen to the users located in a predetermined region directly or through a predetermined means. Reproduction output unit; A content information transmission unit for wirelessly broadcasting information on the output multimedia content in an area where the sound output from the content reproduction output unit can be heard; A content information receiver which receives the multimedia content information transmitted wirelessly and displays the information to each user; An information transmission unit for transmitting the multimedia content information and information about the user through a predetermined communication network when a user selects to purchase the multimedia content by the user who checks the multimedia content information displayed on the content information receiver; And receiving information transmitted from the information transmission unit and storing information on the user and information on the multimedia content, and downloading or streaming transmission when the user requests the multimedia content through a predetermined communication network including a web. And a content management server for transmitting the multimedia content to a playback means designated by the user.

In accordance with another aspect of the present invention, there is provided a method for providing multimedia content through a communication network. The method includes: receiving information about multimedia content, purchasing the multimedia content, and determining the purchase of the multimedia content through a predetermined communication network. A method for providing multimedia content through a content purchase apparatus for transmitting a content, the method comprising: (a) outputting information on the multimedia content while playing the multimedia content to a user located at a predetermined place and equipped with the content purchase apparatus; ; (b) receiving, by a predetermined content management server, a user who receives the multimedia content information and makes a purchase decision and transmits information on the multimedia content; (c) storing the multimedia content or linking the place where the multimedia content is stored according to the transmitted multimedia content information for each user in the content management server; And (d) receiving the multimedia content purchased by the user from a user connected through a predetermined communication network, including the web, in a condition that the user purchases or transmits the multimedia content using a user-specified content reproducing means including downloading or streaming the multimedia content. Transmitting; characterized in that it comprises a.

In accordance with another aspect of the present invention, there is provided a multimedia content purchase apparatus through a communication network, including: a wireless receiving unit receiving information about multimedia content reproduced and outputted in a predetermined area by wireless broadcasting; An information display unit displaying information on the multimedia content received by the radio receiver to a user; A purchase input receiver configured to receive an input for purchasing the multimedia contents by a user who has confirmed the information on the multimedia contents displayed on the information display unit; A purchase information transmission unit for transmitting a predetermined communication network with information about the selected multimedia content and information about the user when a purchase selection of the user is input through the purchase input receiving unit; A content receiver which receives multimedia content downloaded or streamed through a predetermined communication network according to a request from a user connected to a server device managing the information transmitted through the purchase information transmitter; And a content output unit which plays the music received through the content receiver and outputs the music to be heard by the user.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing the configuration of a multimedia content providing system according to the present invention. The system outputs the music to be output from the content reproduction output unit 100 and the content reproduction output unit 100 for outputting the music to purchase the multimedia content so that users can listen to the music through direct or predetermined means located in a predetermined region. Content information transmission unit 110 for wirelessly broadcasting the information on the output multimedia content in the area to listen to, receiving information about the multimedia content transmitted wirelessly and displays the information on the multimedia content to each user When the contents information receiving unit 120 and the user selects the purchase of the multimedia contents by the user who confirms the information on the multimedia contents displayed on the content information receiving unit 120, the multimedia contents information and the user information are transmitted through a predetermined communication network. Information transmitted from the information transmission unit 130 and the information transmission unit 130 Receiving and storing information about the user and information on the multimedia content, and when the user requests the multimedia content by accessing through a predetermined communication network including the web, a user-specified content playback means including download or streaming transmission 150 -1, 150-2, ...) includes a content management server 140 for transmitting the multimedia content.

2 illustrates an example of a flow of a method for providing multimedia content according to the present invention. This method of providing multimedia content through a content purchase apparatus that receives information on the multimedia content, decides to purchase the multimedia content, and transmits information on the multimedia content determined to be purchased through a predetermined communication network, is provided at a predetermined place. Position and output the information on the content while playing the multimedia content to the user having the content purchase device (step 200), and the user who has received the multimedia content information makes a purchase decision and transmits the information on the multimedia content. Received at a predetermined content management server (step 210), the content management server stores the multimedia content or link the place where the multimedia content is stored according to the transmitted multimedia content information for each user (step 220), including the web Predetermined network When the user receives a condition that the multimedia content purchased or played by the user is input or transmitted, the multimedia content is transmitted to the user's designated content playing means including content download or streaming (step 230). Make it possible.

Hereinafter, the process of carrying out the present invention according to the method of FIG. 2 using the configuration of the system of FIG. 1 will be described.

In a predetermined space, such as a separate space such as a store or a park where many people gather, the image or music including music is played through the content reproduction output unit 100. The content reproduction output unit 100 may use a means such as a large screen, earphones, speakers. The present invention provides a service that can purchase multimedia content for the music to those who are interested in such an incoming music.

Outputting music so that it can be heard only by users located in a specific space is based on the use of the already registered patented HSS technology to output music or to stream or download multimedia content at no additional charge based on information about the multimedia content described below. You can listen to music in a specific space by letting the user listen to a device such as MP3P or by using a means such as headphones located in the area. Of course, it will not be clearly distinguished within a small space such as a store, but it can also output music using a small output so that only the user near the speaker can listen to the music properly.

If the music is heard through the content playback output unit 100, that is, in the case of the above examples, the music that is heard in the wireless now through the speaker through the content information transmitter 110 in the area where the music can be heard in the store or the park Information about multimedia content including music or music is output (step 200).

At this time, the content information transmitting unit 110 may output information using a frequency band such as broadcast or a frequency band of a wireless LAN. However, using such a frequency band may cause interference or interference with the conventional frequency use region. In order to avoid this, the content information transmitting unit 110 preferably carries information about the multimedia content on an ultrasound of a predetermined band or transmits the information on the multimedia content on a radio signal of a predetermined band.

Ultrasonic bands are bands of sound waves that humans cannot hear outside the range of the audible frequency. In addition, there is an advantage that the ultrasonic band can be emitted with the music sound output using the speaker. That is, in this case, the content information transmitting unit 110 may be implemented by embedding a means for outputting an ultrasonic band signal including information on multimedia content in the speaker used as the content reproduction output unit 100 according to the present invention. Can be. In addition, information about multimedia contents such as music output may be output to the user.

The content information transmitting unit 110 outputs a radio signal of an IrDA or RF method including information on multimedia content so that the signal is transmitted to the user. It would be better to avoid crosstalk or interference by avoiding commercially available frequency bands as described above.

The content information transmitting unit 110 may form a pattern of the sound output differently from the sound output as music, insert the information about the multimedia content into the pattern, and transmit the information. Even in the latter case, a separate means for outputting a specific pattern to the content reproduction output unit 100 using the speaker or the specific pattern may be inserted into the music sound to be output together.

In addition, the content information transmitting unit 110 may be implemented using various methods, and it is obvious to those skilled in the art to implement various methods including the methods described above.

The information on the multimedia content transmitted through the content information transmitting unit 110 in step 200 includes information indicating the multimedia content, information on the charging condition for purchasing and playing the multimedia content, the charging condition for storing the multimedia content, and the multimedia content. It is desirable to include information about the address where is located.

The information about the multimedia content is information about music that can be played back with the multimedia content. Information about the music, such as the title of the music, singer or performer, is included. For example, if the multimedia content is an mp3 file, the ID tag is information about the multimedia content or the music.

The charging conditions for the playback or storage of the multimedia content may be limited to the reproduction period / time / number of times as the content reproduction condition, and the content producer may be limited to a singer, an album, a record label, and the like. It may also include conditions for redistribution including private reproduction of others and may be determined according to the number of reproducing apparatuses.

The playing time or the number of times may be limited to, for example, once or several times, one year, one month, and the conditions for playing or storing, for example, are listening to multimedia content alone or downloading it to others. This includes varying billing depending on the conditions allowed to be delivered by streaming.

The information on the multimedia content may include auxiliary information for the user to select the multimedia content, including information on how many people the multimedia content has been selected. For example, it could include information such as last week's popular song ranking.

The information on the multimedia content includes information on the address where the multimedia content is located. For example, the address where the multimedia content is located is the same as the URL where the multimedia content is actually stored. For example, when the multimedia content is provided as the streaming data, the URL for accessing the streaming data is an example.

The content information receiver 120 receives the multimedia content information transmitted wirelessly using the method described above and displays the multimedia content information to each user (step 210). Of course, the billing information for the multimedia content is also displayed to the user and awaits the user's selection. Information about the address where the multimedia content is located may be selectively displayed to the user.

The information transmitter 130 transmits the information about the multimedia contents and the information about the user through a predetermined communication network when a user selects to purchase the multimedia contents by the user who checks the multimedia contents information displayed on the contents information receiver 120 (see FIG. Step 210).

The billing information for the multimedia content selected by the user and the address information where the multimedia content is located are also transmitted.

The communication network used in step 210 may be an internet transmission network wirelessly connected using a wired connection or a mobile communication network. This may be implemented through various connection environments, and will be apparent to those skilled in the art, and thus, further description thereof will be omitted.

The content information receiver 120 and the information transmitter 130 may be included in and implemented in the purchase apparatus 125 according to the present invention carried by the user. Alternatively, depending on the type or nature of the regeneration means 150-1, 150-2, ... may be included in the means and implemented. The content information receiver 120 and the information transmitter 130 will be described later.

The content management server 140 receives the information transmitted from the information transmitter 130 (step 210) and stores the information on the user and the information on the multimedia content (step 220).

The information transmitted to the content management server 140 includes at least information on the user, information indicating the multimedia content, charging information on the multimedia content, and information on the address where the multimedia content is located.

The content management server 140 may receive and store the multimedia content with reference to the address where the multimedia content is located, or may store only the link information that is the address where the multimedia content is located.

When the user accesses the content management server 140 through a predetermined communication network including the web and inputs a condition in which the multimedia contents purchased by the user are played or transmitted, the content management server 140 includes a download or streaming transmission. The multimedia content is transmitted to the designated content reproducing means (step 230).

The user accesses the content management server 140 in the Internet environment using a computer or a mobile communication terminal, for example, selects the multimedia contents purchased by the user and edits the multimedia contents to be played and the order in which the multimedia contents are played. The content management server 140 receives the content as an input and transmits the multimedia content to the user according to the condition (step 230). In this case, unless the multimedia content can only be downloaded or provided as streaming data, the user may choose to be provided as a download or streaming.

The user registers in advance or separately registers the playback means 150-1, 150-2, ... to which the multimedia contents are to be transmitted, and selects one or more output means from which to transmit the multimedia content. . In addition, the content management server 140 may charge according to the payment condition for each multimedia content and receive confirmation from the user before transmitting the multimedia content. In this case, when transmitting to multiple playback means at the same time, the content management server 140 may charge according to the changed criteria according to the number of playback means.

In addition to the MP3 player used by the user, the user may allow the friend to listen to music according to the music content under limited conditions. Specify the amount of time or number of times the content will be played on another person's device, depending on the terms of payment for the content you have purchased, and specify information about the device that can download the sound recording or provide it as streaming data on that device. Sound can be sent to the device. This provides a kind of private cloning.

Depending on the type of playback means for each playback means, there may be a case where multimedia content can be downloaded in a state in which DRM is supported differently. In other words. Only legitimate users need to use the content and prevent unauthorized copying. To this end, if the user connected in step 230 includes information on the device on which the multimedia content is to be played, a predetermined DRM process can be used only by a normal customer according to the device on which the multimedia content is to be played when the multimedia content is transmitted. It is desirable to transmit.

Conventionally, only DRM-applied content can be downloaded, but by receiving / streaming DRM-processed content applied according to the environment of a user's device, content protection is possible through DRM in various AV environments.

If you purchase a DRM-processed sound source, devices that process and play it must also support DRM in the same way. Therefore, in the present invention, when a user inputs a DRM method of a device used by a user or inputs information such as a model name of a device used, the information about the DRM method applied to the device is searched from the database of the corresponding company and according to the DRM method. It processes the sound source or processes the previously stored sound source by downloading streaming service.

In addition, the content management server 140 may charge the user according to the period of storing the multimedia content or the period of linking the location information for the multimedia content. Alternatively, if the device that is initially designated to play the content is different from the device that is actually used, a separate bill may be charged. For example, at first, a music source, which is a multimedia content that can be played on an MP3 player, was purchased. However, when a user downloads and plays the sound source from another device such as an audio device, it is possible to pay an additional fee for use.

In addition to using the multimedia content as described above, the present invention can be applied to indirectly use the multimedia content to be played in another environment designated by the user.

The regeneration means 150-1 and 150-2 may be configured in various forms. For example, computers, televisions, MP3 players, and mobile communication terminals. When a computer or a television is designated as the playback means, an IP address for transmitting multimedia content is registered together with the computer or television as a playback means. When the MP3 player is registered as a playback means, the MP3 player must include means for connecting to the Internet via wireless. When a mobile communication terminal is designated as a playback means, a phone number for designating the mobile communication terminal is registered together, and the mobile communication terminal receives a multimedia content including a function for accessing the Internet or a multimedia content such as a ringtone. The multimedia content may be transmitted according to a conventional method of receiving.

Through the above process, for example, the playback means of another person is registered together so that the user can simultaneously transmit the multimedia contents groups whose edited order is played to the playback means of the other person as well as their own playback means. You will hear it.

It is natural that the user can change the billing conditions as well as the editing of the multimedia content playing order. For example, after the user decides to keep the multimedia content for a week and purchases, the user may apply to extend the period or change the billing method, and the content management server 140 charges the user according to the changed charging condition. do.

In addition to the above service, if the user applies, the user may record the multimedia contents purchased in accordance with the present invention on a recording medium such as a CD or DVD and provide the user. Of course, this would have to be served by a legitimate copyright holder.

3 is a block diagram showing the configuration of an apparatus for purchasing multimedia contents through a communication network according to the present invention. The device is a wireless receiver 300 for receiving information about the multimedia content of music being output in a predetermined area by wireless, information for displaying the information on the multimedia content received by the wireless receiver 300 to the user The purchase selection of the user through the purchase input receiving unit 320 and the purchase input receiving unit 320 which receives an input for purchasing the multimedia content by the user who has confirmed the information on the multimedia content displayed on the display unit 310 and the information display unit 310 is selected. When input, the purchase information transmission unit 330 for transmitting a predetermined communication network and the information on the selected multimedia content and the user information are connected to the server device 340 for managing the information transmitted through the purchase information transmission unit 330. Content that receives multimedia contents downloaded or streamed on request from a user through a predetermined communication network And a content output unit 360 for playing the music received through the receiver 350 and the content receiver 350 and outputting the music to be heard by the user. When the information on the multimedia content is received through the wireless receiver 300, It further includes a reception notification unit 370 for notifying the user that the information on the multimedia content that can be purchased by outputting a vibration, flashing of light and / or a predetermined sound.

The wireless receiver 300 corresponds to the content information receiver 120 of FIG. 1, and the purchase information transmitter 330 corresponds to the information transmitter 130 of FIG. 1, in order to avoid duplication with the aforementioned parts. Some parts of the function will be omitted. The server device or management server 340 is the same as the content management server 140 of FIG. Similarly, redundant descriptions are omitted.

The content received through the wireless receiver 300 such as an antenna is displayed on the information display unit 310 including a device such as an LED or LCD and presented to the user. However, the user may not know that they are in an area where multimedia content can be purchased and may not have listened to music being broadcast. In this case, the reception notification unit 370 enters an area in which the multimedia content can be purchased by the user, and notifies that the multimedia content can be purchased through vibration or flashing lights or sounds. At this time, it is also possible to transmit that it can be purchased using a separate wireless transmission means not shown in the figure received from the vibration means possessed by the user may be notified to the user through vibration or other methods.

The user inputs a purchase intention through the purchase input receiver 320. If only the input of the purchase intention can be delivered by pressing a button, the charging condition can be selected from the menu-based charging conditions. In addition, the user may select and input to immediately listen to the multimedia content purchased.

The information including the purchased multimedia content and the billing information is transmitted through the purchase information transmitting unit 330 and stored in the management server 340, and the multimedia content or the multimedia contents transmitted from the management server 340 is the content receiving unit 350 Is received through). Transmission from the management server 340 is the same as that transmitted to the playback means in FIG.

The multimedia content received through the content receiving unit 350 is decoded according to the form of the multimedia content and output to the user through the content output unit 360 to provide the content. The content receiver 350 should include a function of decoding multimedia contents such as avi, mpeg, MP3, ogg, wma, and the like.

And if there is a lot of multimedia content transmitted and downloaded, the content receiver 350 decodes and plays the first received multimedia content first, and then receives subsequent multimedia contents so that the multimedia content can be played without delay. It can be easily implemented.

The content output unit 360 may have a display function such as an LCD monitor, and may include a speaker for outputting music or a terminal for connecting a device such as an earphone. In addition, when the content output unit 360 displays information through a means such as an LCD monitor, the content output unit 360 may include a function of the information display unit 310.

Since billing may also be applied as described above, a separate description thereof will be omitted.

3 has a function of wirelessly receiving multimedia content information to a device such as a conventional MP3 player, a function of enabling wireless Internet, a means such as a small LCD monitor, and a function of decoding and playing various multimedia contents. In addition, it can be implemented by adding a function for receiving multimedia content information and other multimedia playback function to the mobile communication terminal including an MP3 player function, and as a result, the user according to the present invention while carrying It can provide the ability to receive services.

Figure 4 illustrates an environment that can be a multimedia content playback service through a variety of content playback means in accordance with the present invention.

The multimedia content transmitted through the management server 400 is downloaded to devices such as TV 420, PC 430, MP3 player 440, mobile communication terminal 450 through the Internet or home network 410 Alternatively, the multimedia content may be provided as streaming data. According to the present invention, various devices capable of receiving and playing multimedia content may be registered, thereby providing a ubiquitous environment in which music can be listened to anywhere.

Application of the present invention, for example, by transmitting the multimedia content information for any one of the music currently playing at the same time to the multimedia content purchase devices according to the present invention carried by a number of users gathered in the same place, such as a concert site You can get them to listen for free and get them to buy the entire album. Alternatively, only one song or a portion of each of the newly released albums may be provided so that a predetermined number of times can be heard to enjoy the effect of the advertisement. You can also listen to music through headphones at a store like a record store, and if you like the song, you can buy multimedia content on the fly.

In addition, by performing DRM processing on the multimedia contents provided according to the present invention, content reproduction may be restricted by type of content reproducing device and / or by content reproducing period / time / number of times.

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 descriptive sense only and not for purposes of limitation. The examples included in the above description are introduced for the purpose of understanding the present invention, and these examples do not limit the spirit and scope of the present invention. In addition to the above examples, various embodiments according to the present invention are possible. It will be apparent to those of ordinary skill in the art. The scope of the present invention is shown not in the above description but in the claims, and all differences within the scope will be construed as being included in the present invention.

In addition, it can be easily understood by those skilled in the art that each of the above steps according to the present invention can be variously implemented in software or hardware using a general programming technique.

And some steps of the invention may also be embodied as computer readable code on a computer readable recording medium. The computer-readable recording medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of computer-readable recording media include ROM, RAM, CD-ROM, CD-RW, magnetic tape, floppy disks, HDDs, optical disks, magneto-optical storage devices, and carrier wave (eg, Internet It also includes the implementation in the form of). The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.

According to the present invention, the content playback output unit for outputting multimedia content for users to listen to the users located in a predetermined region directly or through a predetermined means, in the region that can hear the sound output from the content playback output unit Content information transmission unit for wirelessly broadcasting the information on the output multimedia content, the content information receiving unit for receiving the multimedia content information transmitted wirelessly and display the information to each user, the user who confirmed the multimedia content information displayed on the content information receiving unit When the user selects to purchase the multimedia content by using the information transmission unit for transmitting the multimedia content information and the user information through a predetermined communication network and the information transmitted by the information transmission unit receives the information about the user and the multimedia content informationAnd a content management server that transmits the multimedia content to a user-specified playback means, including downloading or streaming, when the user requests the multimedia content through a predetermined communication network including the web. Can be purchased on the spot, the multimedia content can be played without regard to the place, and various billing can be applied to improve the environment using the communication network, and as a result the environment for purchasing multimedia content The content can be played back in various and diverse places, thereby expanding the scope of content use.

Claims (13)

An information receiver configured to receive and display multimedia content information output together with the multimedia content in a predetermined area in which multimedia content is wirelessly output; And And an information transmission unit for transmitting the multimedia content information and information about the user to a content management server providing the selected multimedia content to a user through a communication network when the user who confirms the displayed multimedia content information selects to purchase the multimedia content. Apparatus for purchasing multimedia content, characterized in that. The method of claim 1, wherein the multimedia content information that is output together with the multimedia content, Apparatus for multimedia content purchase, characterized in that the information contained in a predetermined band of ultrasonic waves or RF signal of the predetermined band RF. The method according to claim 1 or 2, The multimedia content information includes information representing multimedia content, information on charging conditions for purchasing and playing multimedia content, information on charging conditions for storing multimedia content, and information on an address where multimedia content is located. In the information transmitting unit, the user selects the charging condition and transmits the multimedia content information including the charging condition to the content management server to charge based on the charging condition. The method of claim 3, Apparatus for multimedia content purchase according to the user's intention to determine the transmission conditions including the transmission order, the playback order of the multimedia content purchased by the user connected to the content management server. The method of claim 1, A content receiving unit which receives the multimedia content purchased by the user from the content management server through a predetermined communication network; And Apparatus for multimedia content purchase further comprising a content output unit for playing the content received through the content receiving unit. An information receiving step of receiving and displaying multimedia content information output together with the multimedia content in a predetermined area in which multimedia content is wirelessly output; And And an information transmission step of transmitting the multimedia content information and information about the user to a content management server providing the selected multimedia content to a user through a communication network when the user who confirms the displayed multimedia content information selects to purchase the multimedia content. Multimedia content purchase method characterized in that. The method of claim 6, The multimedia content information includes information representing multimedia content, information on charging conditions for purchasing and playing multimedia content, information on charging conditions for storing multimedia content, and information on an address where multimedia content is located. In the information transmission step, the user selects the charging condition and transmits the multimedia content information including the charging condition to the content management server to charge based on the charging condition. The method of claim 6, wherein the charging condition, A method of purchasing multimedia content, characterized in that the multimedia content can vary depending on the number and type of content reproduction means. The method of claim 6, When the user inputs a charging condition including information on a device on which the multimedia content is to be played, the content management server transmits a predetermined DRM process that can be used only by a normal customer according to the device to which the multimedia content is played when transmitting the multimedia content. Multimedia content purchase method, characterized in that for transmitting the multimedia content. delete delete delete delete

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