KR100845138B1 - Method and apparatus for bidirectional rich media service connected to digital multimedia broadcasting - Google Patents

Abstract

A method for providing an interactive Rich Media service associated with digital multimedia broadcasting and a service apparatus therefor are provided to offer supplementary services according to the digital multimedia broadcasting based on predetermined Rich Media service standards, thereby overcoming the unidirectional characteristic of existing broadcasting, increasing the participation of viewers, and satisfying community desire. A method for providing an interactive Rich Media service in a broadcasting receiver comprises the following steps of: receiving a digital multimedia broadcasting signal including the URL(Uniform Resource Locator) information of a broker server and displaying the URL information of the broker server on a screen(S501,S503); receiving an access command to the broker server from a user on the basis of the displaying screen(S505); requesting the broker server to provide the URL of Rich Media contents stored in a predetermined Rich Media server according to the access command, wherein the request includes the contents classification information of information about a displaying broadcasting program(S509); receiving the URL of the Rich Media contents extracted and transmitted by the broker server on the basis of the contents classification information(S511,S513); and accessing the received URL of the Rich Media contents, requesting the Rich Media server to provide the Rich Media contents, and receiving and displaying the Rich Media contents(S515,S521).

Description

Bidirectional rich media service method associated with digital multimedia broadcasting and its service system {Method and Apparatus for Bidirectional Rich Media Service Connected to Digital Multimedia Broadcasting}

1 is a block diagram of an interactive rich media service system associated with a digital multimedia broadcasting of the present invention;

2 is a view showing an example of a DM broadcast program displayed on the broadcast receiving device according to the present invention;

3 is a diagram showing an example of a server information table held by a broker server;

4 is a block diagram of a broadcast receiving apparatus according to an embodiment of the present invention, and

5 is a flowchart provided to explain a bidirectional rich media service method associated with digital multimedia broadcasting according to an embodiment of the present invention.

The present invention relates to a bidirectional rich media service method associated with digital multimedia broadcasting, and a service system thereof, which provide an additional service according to a digital multimedia broadcasting based on a predetermined rich media service standard.

Digital Multimedia Broadcasting (DMB) is a standard for mobile multimedia reception. The European Digital Audio Broadcasting (DAB) standard, which is the basis of this standard, is designed to digitize existing analog radio broadcasts while simultaneously transmitting and receiving various types of broadcasts. Looking at the main types of broadcasting, DMB broadcasting is divided into video, audio broadcasting and other data broadcasting.

Data broadcasts supported by DMB include Broadcast Web Sit (BWS), Transport Protocol Experts Group (TPEG), SlideShow, Dynamic Label Segment (DLS), Binary Format for Scene (BIFS), and Electronic Program Guide (EPG).

In addition, research on rich media services that utilize multimedia such as audio, video, animation, etc., beyond the level of simple text or graphics, is being actively conducted, and laser (LASeR: Lightweight Application Scene Representation) Or rich media services-related standards such as Binary Format for Scene (BIFS).

Laser (Lightweight Application Scene Representation) has been published as international standard ISO / IEC 14496-20 (MPEG-4 Part 20). Laser is based on Scalable Vector Graphics (SVG) and is a scene description standard capable of displaying rich media.

Recently, there has been an additional desire beyond the existing simple viewing terrestrial DMB service to satisfy the needs such as providing additional information related to the corresponding broadcasting program, participation of viewers, or community formation. Rich media services may be one of the means to enable the provision of such services.

It is an object of the present invention to provide an interactive rich media service method and a service system associated with digital multimedia broadcasting, which provide an additional service according to digital multimedia broadcasting based on a predetermined rich media service standard.

Still another object of the present invention is to provide an additional service related to a digital multimedia broadcasting program to a broadcast receiving device in the form of rich media content, so that different rich media content can be provided according to the specifications of the broadcast receiving device or a broadcast program. To provide a way.

In order to achieve the above object, in the bidirectional rich media service method of the broadcast receiving apparatus according to the present invention, a URL of the broker server is received by receiving a digital multimedia broadcast signal including Uniform Resource Locator (URL) information of a broker server. Displaying information on the screen; Receiving a command for accessing the broker server based on the displayed broadcast screen from a user; In response to the access command, requesting the broker server for a URL of rich media content stored in a predetermined rich media server, the request including content classification information which is information on a broadcast program being displayed; Receiving, by the broker server, a URL of the rich media content that is extracted and transmitted based on the content classification information; And requesting, receiving, and displaying the rich media content by accessing the URL of the received rich media content from the rich media server.

Here, the broadcast signal is a data broadcast signal, and the URL information of the broker server is preferably included in the data broadcast signal and broadcasted.

For example, the data broadcast signal is a Binary Format for Scene (BIFS) signal, and the URL information of the broker server may be included by being mapped to a part of an image or an icon constituting one scene according to the BIFS standard. The access command to the broker server may be made by selecting the image or icon.

The content classification information may further include a device profile, and the device profile may include at least one of a resolution of the broadcast receiving device itself, a size of a displayable image, and a type of device. Accordingly, the broker server extracts the URL of the requested rich media content from the server information table, including a predetermined server information table, and the server information table includes rich media divided by broadcast channel, broadcast time, and device profile. It may include information about the URL of the content.

The broker server may extract URL information of the rich media content using a Java Server Page (JSP) technology. In this case, the URL of the broker server may be an address of a hypertext generation language (HTML) page associated with a Java servlet.

According to another embodiment of the present invention, a broadcast receiving apparatus that receives and displays digital multimedia broadcasting (DMB) broadcasting of a broadcasting station system and is connected to a rich media server having at least one rich media content through a predetermined network is a DMMB player. , Input and rich media player.

The DM player extracts the URL information of the broker server included in the broadcast signal of the broadcasting station system to be displayed on the screen, and the input unit issues an access command to the broker server input by the user based on the displayed URL information of the broker server. Provided to the DMB player.

When the DM player receives a user's connection command from the input unit, the DM player causes the rich media player to connect to the broker server, and the rich media player has a URL for one of the at least one rich media content according to the connection command. Request to the broker server, the request includes content classification information which is information on the broadcast program being displayed.

The rich media player receives the URL of the rich media content that the broker server extracts and transmits based on the content classification information, and accesses the rich media content from the rich media server by accessing the received rich media content URL. Will be requested and received.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 is a block diagram of an interactive rich media service system associated with a digital multimedia broadcasting of the present invention.

Referring to FIG. 1, the broadcast receiving device 130 receives a predetermined digital multimedia broadcasting signal from the broadcasting station system 110 through the relay device 120, and the broker server 150 and the separate network 140. It is connected to at least one rich media server (160, 170) and the like. Hereinafter, the rich media server 160 among the at least one rich media server 160 and 170 will be described.

The broadcast receiving device 130 may receive a predetermined digital data broadcast, and examples thereof include Digital Audio Broadcasting (DAB) and Digital Multimedia Broadcasting (DMB). Hereinafter, a case in which the broadcast receiving device 130 receives a DMB data broadcast including the DMB player 131 will be described as an example.

The broadcast receiving device 130 may include a rich media player 133 and receive and play predetermined rich media content from at least one rich media server 160 or 170 connected through a network 140. Some interactive services may be provided from the servers 160 and 170. Since the broadcast receiving device 130 and the at least one rich media server 160 and 170 form a rich media system, the present invention will be a new model of broadcast communication convergence combining a broadcast system and a rich media system.

Accordingly, the broadcast receiving device 130 may receive a DM broadcast, and may correspond to a mobile phone, a laptop, a DMB dedicated terminal, and a digital TV (DTV), which may be connected to a separate network 140 from the broadcast channel. have. The network 140 of FIG. 1 may vary according to the broadcast receiving apparatus 130. In the case of a mobile phone, a mobile communication network corresponds, and in the case of a notebook, a dedicated terminal, and a TV, the general Internet corresponds to the network 140. can do. Notebooks and the like can connect to the Internet via a wired or wireless interface.

When the rich media server 160 receives the predetermined request from the broadcast receiving device 130 including the at least one rich media content 161, the rich media server 160 transmits the requested rich media content 161 to the network 140. Through the broadcast receiving device 130 through. The rich media content 161 includes program code according to one of rich media standards such as Lightweight Application Scene Representation (LASeR) or Binary Format for Scene (BIFS).

When the network 140 is the Internet, which is a public network, content transmission from the rich media server 160 to the broadcast receiving device 130 may be performed according to a protocol such as HTTP (Hypertext Transfer Protocol) or RTP (Real time Transport Protocol). .

According to the laser (LASeR: Lightweight Application Scene Representation) standard, the rich media content 161 provided by the rich media server 160 has a form of a laser stream (LASeR Stream). The rich media server 160 generates scene description information for a scene to be displayed on the broadcast receiving device 130 and converts it into an elementary stream, and also converts media data to be inserted into the scene into an element stream. do. The rich media server 160 generates a laser binary stream by multiplexing each element stream in a simple aggregation format (SAF) and provides it to the broadcast receiving device 130. In this case, the media data includes video, audio, image, font, or meta data.

According to the present invention, the rich media content 161 received while watching a broadcast program does not always have to be associated with a broadcast program of a specific channel, but is generally related to the broadcast program. For example, while watching a sports game on a DMB, a user may view information about teams participating in the game and detailed information on individual players in the form of rich media, and may participate in a competition related to the game. have. In addition, the user may access a community related to a basketball game or a viewer bulletin board, or may watch a specific advertisement program. In addition, it is possible to provide rich media content (or service) in any form or content. Accordingly, the present invention is to provide a new method of convergence of broadcast communication, in particular 'Convergence of Service Provision'.

As such, the rich media content 161 may be different for each broadcast program, and the rich media server 160 (or a provider thereof) that provides the rich media content 161 may be changed. In addition, the rich media content 161 should include different scene description information according to the specifications of the broadcast receiver 130 (more precisely, the resolution of the broadcast receiver, etc.).

In order to provide information about the rich media content 161 and the rich media server 160, which are not fixed and may change from time to time, a separate broker server 150 may include at least one rich media server 160. ) And its rich media content 161. The broadcast station system 110 provides the broadcast receiving device 130 with information about the broker server 150.

When the broadcast receiving device 130 receives a connection command from the user to the broker server 150, the broadcast receiving device 130 connects to the broker server 150 based on the information on the previously received broker server 150 to provide the rich media content 161. You will be asked for information. Here, the information on the rich media content 161 may be represented by a Uniform Resource Locator (URL) of the corresponding rich media content 161.

The broadcast receiving device 130 accesses the rich media server 160 based on the URL of the rich media content 161 provided from the broker server 150, and receives and displays the rich media content 161.

Hereinafter, a method of providing information about the broker server 150 by the broadcast station system 110 will be described.

The broadcasting station system 110 includes a data broadcasting server 111, an MPEG-4 broadcasting server 113, an audio encoder (not shown), and the like, and transmits a predetermined data broadcasting at the same time. The broadcasting station system 110 multiplexes the data broadcasting signal generated by the data broadcasting server 111, the video signal generated by the MPEG-4 broadcasting server 113, and the audio signal generated by the audio encoder (not shown). Is modulated by Orthogonal Frequency Division Multiplexing (OFDM) and transmitted to a relay device 120 such as a DMB Repeater (DMBR) or a Gap Filler.

The data broadcasting server 110 is responsible for DM data broadcasting by generating and providing various contents of DM data broadcasting. Here, the DMB data broadcasting content includes a broadcast website service (BWS), a transport protocol expert group (TPEG), a slideshow, a dynamic label segment (DLS), a BIFS, and an XML-based electronic program guide (EPG). The present invention may include, but is not limited to, any data broadcast content including text.

The data broadcast is transmitted to the broadcast receiving device 130 through a MOT (Mulimedia Object Transfer) protocol, Internet Protocol (IP) tunneling, a transparent data channel (TDC), and a bidirectional service protocol.

According to the present invention, the data broadcast broadcasted by the broadcast station system 110 should include information on the broker server 150. The information on the broker server 150 may correspond to a URL of the broker server 150. For example, when data broadcasting is by BIFS, the information about the broker server 150 may be included in the scene description information for the broadcast scene.

FIG. 2 is a diagram illustrating an example of a DM broadcast program displayed on a broadcast receiving device according to the present invention, and is a DM broadcast screen transmitted according to the BIFS standard.

The screen P200 includes a DM player screen P201 and a DM broadcast screen P203. The DMB broadcast screen P203 is a scene by scene description information according to the BIFS standard, and an image P205 to which URL information of the broker server 150 is mapped is displayed as a partial scene. The display of the URL may have the form of a text or an icon, as well as the image P205 shown in FIG. 2.

As such, when the broadcast signal has the BIFS standard, the broadcast receiving device 130 does not need to perform another task for extracting the URL information of the broker server 150, and may display a screen according to the provided BIFS standard.

According to another exemplary embodiment of the present disclosure, the broadcasting station system 110 may include program associated data (hereinafter referred to as 'PAD'), NPAD (Non-PAD), or program included in a DM broadcast signal for various application services. The URL information of the broker server 150 may be included in the service information (SI), which is service related information such as an electronic program guide (EPG), and transmitted. PAD refers to additional information included in DMB audio broadcasting signal as information related to broadcast, and NPAD refers to independent information such as news, weather, traffic, and securities.

In this case, the broadcast receiving device 130 may extract the URL information of the broker server 150 from the PAD or SI information according to a predetermined standard, and then provide the same in the form of an OSD (On Screen Display) by the graphic processor.

The URL information of the broker server 150 provided by the broadcasting station system 110 to the broadcast receiving device 130 may vary depending on how the broker server 150 provides a web service.

According to an embodiment, when the broker server 150 uses a Java Server Page (JSP) technology that provides a web service using a Java servlet, the URL of the broker server 150 may be connected to the Java servlet. It is the address of a hypertext generation language (HTML) page, which has a name of JSP.

For example, when the broker server 150 is managed by the Korea Broadcasting Corporation and provides URL information about the rich media server 160 to the broadcast receiver 130 using the Java servlet, the broadcast station system 110 Information about the broker server 150 provided to the broadcast receiving device 130,

It can be http://www.kbs.co.kr/main.jsp.

When the broadcast receiving device 130 receives a connection command from the user to the broker server 150 while the DMB broadcast shown in FIG. 2 is displayed, the broadcast receiving device 130 connects to the URL of the broker server 150 previously received. Here, the user may input a connection command by selecting a corresponding text, image, or icon by performing operations such as clicking, dragging, or button manipulation of a pointer on the screen.

Hereinafter, the broker server 150 will be described.

When the broker server 150 receives a request for URL information of the specific rich media content 161 from the broadcast receiving device 130, the broker server 150 provides a URL address of the corresponding rich media content 161. To this end, the broker server 150 manages a predetermined 'server information table' according to the broadcast schedule.

When the broker server 150 receives a request from the broadcast receiving device 130, the broker server 150 extracts a URL of the rich media content 161 according to the broadcast schedule and the type of the broadcast receiving device from the server information table, and then broadcasts the broadcast receiving device 130. To provide.

FIG. 3 is a diagram illustrating an example of a server information table held by a broker server, and the server information table 151 of FIG. 3 includes URL information of rich media content classified for each device for channel A of a specific time zone. Corresponds to

The server information table 151 manages URLs of rich media content classified by broadcast channels, broadcast times, and device profiles. The broadcast channel and the broadcast time are used to distinguish the broadcast program currently being viewed by the broadcast receiving device 130, and the device profile is a broadcast receiving device such as the type, resolution, or displayable image size of the broadcast receiving device 130. Refers to the specification information of (130).

Accordingly, when the broadcast receiving device 130 requests the URL of the rich media content 161 to the broker server 150, information such as a corresponding device profile, broadcast channel information, and broadcast time information (hereinafter referred to as 'content classification information'). ) Together. For example, when the broadcast receiving device 130 is a mobile phone, the device profile may be provided in the form of a user agent (UA) profile.

Accordingly, the broadcast receiving device 130 is provided with the device specification and the URL of the rich media content 161 assigned to the broadcast program currently being received.

The broker server 150 receives necessary information from the broadcast schedule of the broadcasting station system 110 and the rich media content provider, respectively, and updates and manages the server information table 151.

As mentioned above, when the broker server 150 services using the Java server page technology, the broadcast receiving device 130 accesses the URL of a predetermined JSP file. In this case, the broker server 150 refers to the server information table 151 by the corresponding JSP file, and provides URL information of the rich media content 161 to the broadcast receiving device 130.

In addition, the broker server 150 may provide URL information of the rich media content 161 to the broadcast receiving device 130 by using an Active Server Page (ASP) technology. In this case, the broker server 150 uses VB Script or Java Script.

4 is a block diagram of a broadcast receiving apparatus according to an embodiment of the present invention. The broadcast receiving device 400 of FIG. 4 corresponds to the broadcast receiving device 130 of FIG. 1 and may be described in the same manner.

Referring to FIG. 4, the broadcast receiving apparatus 400 includes a DM block 401 for receiving a DM broadcast signal from the broadcasting station system 110, a display unit 403 for displaying a predetermined screen, and an input unit for receiving a user's control command. 405, an audio processing unit 407 for converting a predetermined digital audio signal into an analog audio signal and outputting the same to a speaker (SPK), a network interface unit 409 and a control unit 430 that can be connected to the network 140. do.

The controller 430 controls the overall operation of the broadcast receiving device 400 and includes a DM player 431 and a rich media player 433. The DM player 431 and the rich media player 433 may correspond to the DM player 131 and the rich media player 133 of FIG. 1 and may be described in the same manner.

The DM player 431 receives the DM broadcast signal transmitted from the broadcasting station system 110 through the DM block 401 and displays the DM broadcast signal through the display unit 403. When the DM player 431 receives a connection command to the broker server 150 through the input unit 405 while receiving and displaying the DM broadcast, the DM player 431 drives the rich media player 433. As described above, the user may input a connection command to the broker server 150 by selecting a specific image or icon displayed on the screen through the input unit 405.

 The DM player 431 drives the rich media player 433, and provides the rich media player 433 with URL and content classification information (device profile, channel information, broadcast time information, etc.) of the broker server 150.

The rich media player 433 accesses the URL of the broker server 150 provided from the DM player 431 and requests the URL of the rich media content 161. This request includes content identification.

The rich media player 433 parses and displays the rich media content transmitted from the rich media server 160 according to a predetermined rich media standard on the display unit 403.

Thereafter, the rich media player 433 receives other rich media content from the rich media server 160 according to a user's control command and a predetermined schedule to provide a predetermined rich media service to the user.

5 is a flowchart provided to explain a bidirectional rich media service method associated with digital multimedia broadcasting according to an embodiment of the present invention. The following description is based on the DMB broadcasting service according to the BIFS format as shown in FIG. 2, and the network 140 is referred to as the Internet.

The broadcast station system 110 periodically provides a digital data broadcast signal to the broadcast receiving device 400. The broadcast signal according to the BIFS format includes a scene (or image) P205 to which information about the broker server 150 (URL of the broker server) has been allocated (S501).

The broadcast receiving device 400 drives the DM player 431 to display a broadcast signal received from the broadcasting station system 110 on the screen (S503), and determines whether there is a connection command from the user to the broker server 150 (S505). ).

If there is a connection command to the broker server 150, the DM player 431 of the broadcast receiving device 400 drives the rich media player 433 in association with the URL of the broker server 150 (S507).

The rich media player 433 of the broadcast receiving device 400 requests a URL of the rich media content 161 by accessing the URL of the broker server 150 through the network 140. This request includes content identification information (S509).

When the broker server 150 receives the URL of the rich media content 161 from the broadcast receiving device 400, the broker server 150 extracts the URL of the rich media content 161 from the server information table 151 based on the content classification information. (S511).

When the broadcast receiving device 400 is provided with the URL of the rich media content 161 extracted by the broker server 150 (S513), the broadcast receiving device 400 accesses the URL of the rich media content 161 to the rich media server 160. The media content 161 is requested (S515).

The rich media server 160 extracts the requested rich media content 161 (S517) and provides it to the broadcast receiving apparatus 400 through the network 140 (S519). The broadcast receiving apparatus 400 receives the rich The media content 161 is played back (S521).

 Thereafter, an interactive rich media service is provided between the rich media player 433 of the broadcast receiving device 400 and the rich media server 160. The rich media service is performed according to a user's request or a predetermined schedule (S523).

In this manner, the interactive rich media service associated with the digital multimedia broadcasting of the present invention is achieved.

The invention can be implemented in methods, devices and systems. In addition, when the present invention is implemented in computer software, the components of the present invention may be replaced with code segments necessary for performing necessary operations. The program or code segment may be stored in a medium that can be processed by a microprocessor and transmitted as computer data coupled with carrier waves via a transmission medium or communication network.

The media that can be processed by the microprocessor include electronic circuits, semiconductor memory devices, ROMs, flash memory, electrically erasable programmable read-only memory (EEPROM), floppy disks, optical disks, and hard disks. (Hard) Includes the ability to transmit and store information such as disks, fiber optics, wireless networks, and the like. Computer data also includes data that can be transmitted over electrical network channels, optical fibers, electromagnetic fields, wireless networks, and the like.

In addition, although the preferred embodiment of the present invention has been shown and described above, the present invention is not limited to the above-described specific embodiment, the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

As described in detail above, the present invention can overcome the unidirectionality of existing broadcasts by providing additional services according to digital multimedia broadcasting based on a predetermined rich media service standard, and satisfy viewer's participation expansion and community desire.

In addition, the present invention may be provided with a broker server, it is possible to provide different rich media content in accordance with the specifications of the broadcast receiving apparatus or the broadcast program, it is possible to ensure the timeliness of the content.

Claims (16)

Receiving a digital multimedia broadcasting signal including Uniform Resource Locator (URL) information of a broker server and displaying URL information of the broker server on a screen; Receiving a command for accessing the broker server based on the displayed broadcast screen from a user; In response to the access command, requesting the broker server for a URL of rich media content stored in a predetermined rich media server, the request including content classification information which is information on a broadcast program being displayed; Receiving a URL of the rich media content extracted and transmitted by the broker server based on the content classification information; And And connecting to the URL of the received rich media content, requesting, receiving and displaying the rich media content from the rich media server. The method of claim 1, The broadcast signal is a data broadcast signal, and the URL information of the broker server is included in the data broadcast signal and broadcasted, characterized in that the broadcast receiving apparatus. The method of claim 2, The data broadcast signal is a Binary Format for Scene (BIFS) signal, and the URL information of the broker server is mapped to a part of an image or an icon constituting one scene according to the BIFS standard. Interactive rich media service method. The method of claim 3, And a connection command to the broker server is made by selecting the image or icon. The method of claim 1, The content classification information further includes a device profile, And the device profile comprises at least one of a resolution of the broadcast receiving device itself, a size of a displayable image, and a type of a device. The method of claim 5, The broker server extracts a URL of the requested rich media content from the server information table, including a predetermined server information table, And the server information table includes information on URLs of rich media content classified according to broadcast channels, broadcast times, and device profiles. The method of claim 1, When the broker server extracts URL information of the rich media content using Java Server Page (JSP) technology, the URL of the broker server is an address of a hypertext generation language (HTML) page associated with a Java servlet. Interactive rich media service method of a broadcast receiving device, characterized in that. A broadcast receiving apparatus that receives and displays digital multimedia broadcasting (DMB) broadcasting of a broadcasting station system and is connected to a rich media server having at least one rich media content through a predetermined network, A DM player for extracting URL information of the broker server included in the broadcast signal of the broadcasting station system and displaying the URL information on the screen; An input unit configured to provide an access command to the broker server input by the user based on the displayed URL information of the broker server to the DM player; And Requesting the broker server for a URL of one of the at least one rich media content according to the access command, wherein the request includes a rich media player including content classification information which is information on a broadcast program being displayed; When the DM player receives a user's connection command from the input unit, the DM player causes the rich media player to connect to the broker server. The rich media player receives the URL of the rich media content that the broker server extracts and transmits based on the content classification information, and accesses the rich media content from the rich media server by accessing the URL of the received rich media content. Broadcast receiving apparatus, characterized in that receiving by request. The method of claim 8, And the broadcast signal is a data broadcast signal, and the URL information of the broker server is broadcasted in the data broadcast signal. The method of claim 9, The data broadcast signal is a Binary Format for Scene (BIFS) signal, and the URL information of the broker server is mapped to a part of an image or an icon constituting one scene according to the BIFS standard. . The method of claim 10, And a connection command to the broker server by selecting the image or icon. The method of claim 8, The content classification information further includes a device profile, And the device profile comprises at least one of a resolution of a broadcast receiving device itself, a size of a displayable image, and a type of device. The method of claim 12, The broker server extracts a URL of the requested rich media content from the server information table, including a predetermined server information table, And the server information table includes information on URLs of rich media content classified by broadcast channel, broadcast time, and device profile. The method of claim 8, When the broker server extracts URL information of the rich media content using Java Server Page (JSP) technology, the URL of the broker server is an address of a hypertext generation language (HTML) page associated with a Java servlet. Broadcast receiving apparatus, characterized in that. Receiving a digital multimedia broadcasting signal including URL information of the broker server itself and accessing the URL by the broadcast receiving apparatus displaying the URL; Receiving a request for a URL of rich media content stored in a predetermined rich media server from the connected broadcast receiving apparatus, wherein the request includes content classification information which is information about the broadcast program; And Extracting a URL of the rich media content corresponding to the content classification information included in the request and providing the extracted URL to the broadcast receiving device; The URL of the rich media content is a means for the broadcast receiving device is a means for requesting the rich media server rich media content corresponding to the broadcast program. A broadcast station system for digital multimedia broadcasting, a broadcast receiving apparatus for receiving and displaying the broadcast, and a rich media server having at least one rich media content, wherein the broadcast receiving apparatus and the rich media server are connected through a predetermined network. In the interactive rich media service method of the system, Broadcasting by the broadcast station system including URL information of a predetermined broker server in a broadcast signal; Receiving, by the broadcast receiving apparatus, the broadcast signal and displaying the URL information of the broker server, and receiving a connection command from a user to the broker server; Requesting, by the broadcast receiving device, a URL for one of the at least one rich media content from the broker server according to the access command, the request including content classification information which is information about the broadcast program; Receiving, by the broadcast receiving device, a URL of rich media content that the broker server extracts and transmits based on the content classification information; And And requesting, receiving and displaying the rich media content from the rich media server by accessing the received rich media content URL by the broadcast receiving apparatus. .

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