KR20100062542A - Service system and method for moving picture which linked up with cable broadcasting content - Google Patents

Abstract

PURPOSE: A video on demand system which is in associated with the cable broadcasting content and video retrieval result or the moving picture is provided to use the moving picture which is in associated with the desired cable broadcasting content conveniently. CONSTITUTION: The cable network(10) interlinks the cable broadcast communications system(20) and set top box(30). The cable broadcast communications system transmits the broadcast signal or the broadcast content through the cable network to a user. When a user requests the video on demand which is in associated with through the set top box with the cable broadcasting content, the broadcast communications system offers the corresponding video on demand. The video reproduction apparatus(40) reproduces the broadcast content.

Description

SERVICE SYSTEM AND METHOD FOR MOVING PICTURE WHICH LINKED UP WITH CABLE BROADCASTING CONTENT}

The present invention relates to a video service system and method associated with cable broadcasting contents. More particularly, the present invention relates to a cable that enables a user to immediately check a video search result or a video associated with cable broadcasting contents in a video reproducing apparatus. The present invention relates to a video service system and method associated with broadcast content.

In general, a set-top box is a device that is connected to a video reproducing apparatus such as a television, receives a signal from an external source, converts it appropriately, and displays the contents with the video reproducing apparatus. Devices that provide external signals to the set-top box include Ethernet cables, satellite receiver antennas, coaxial cables, telephone lines, and regular VHF or UHF antennas.

Recently, as well as a function of receiving a cable broadcast signal and displaying it on an image reproducing apparatus, a set-top box that supports a user to use a service such as Internet search by transmitting and receiving an internet data signal through a cable network has emerged.

As such, although an environment in which a broadcast service and an Internet service are available through a cable network is being established, provision of a new service linking both services is not active.

Accordingly, an object of the present invention is to provide a video service system and method associated with cable broadcasting content for providing a video search result or video associated with cable broadcasting content through a cable network.

The video service system according to an embodiment of the present invention for solving the technical problem includes a cable broadcast content providing unit for providing cable broadcast content, and a video service unit for providing a video service associated with the cable broadcast content.

The video service may be one of providing a video search result related to the cable broadcasting content or providing a video related to the cable broadcasting content.

The video service system may further include a database configured to store a video content list including at least one of a video content name, a video content storage location, a video content index word, a video content thumbnail image, and a video content description content. .

The video service unit may provide a set-top box requesting the video service with a video search result including at least one of a video search result generated by referring to the database and a video search result received by requesting a predetermined web site. .

The video search result may be processed so that video content is arranged in a predetermined priority order.

The video search results may be arranged in order of popularity among VoD contents related to the cable broadcasting contents.

The video service unit may provide video content selected by a user from the video search result.

The video service unit may provide predetermined video content in relation to the cable broadcast content.

The video search result may be provided after being converted into a data form that can be processed in a web document or a Java application.

According to another exemplary embodiment of the present invention, a set top box includes a broadcast receiver for receiving a cable broadcast signal, a cable modem for receiving a cable data signal, and a cable broadcast content transmitted through at least one of the cable broadcast signal or the cable data signal. And a controller for receiving a video service request for the broadcast cable broadcasting content from outside when a video service request is input from a user.

The video service may be one of providing a video search result related to the cable broadcasting content or providing a video related to the cable broadcasting content.

The video service request is transmitted to a predetermined web site through a cable network, and the controller is configured to process and output a video service provided in response to the video service request from the web site in a video reproducing apparatus through a browser. Can be.

In accordance with still another aspect of the present invention, there is provided a video service method through a cable network, including providing cable broadcasting content, receiving a video service request related to the cable broadcasting content, and providing a video service related to the cable broadcasting content. It includes a step.

The providing of the video service may include generating a video search result related to the cable broadcasting content based on the index word or the cable broadcasting content identification information included in the video service request, and setting the video search result to the set top requesting the video service. Providing to the box.

The providing of the video service may include providing a video search request to a predetermined web site based on an index word included in the video service request or the cable broadcasting content identification information, and requesting the video service result of the video search result. Providing a set-top box.

In the providing of the video service, the video content designated in advance with respect to the cable broadcasting content may be provided to the set-top box requesting the video service.

As described above, according to the present invention, the video reproducing apparatus currently viewed by the user can immediately check the video search result or the video associated with the cable broadcasting content. Therefore, the user can conveniently use the video associated with the cable broadcasting content of interest.

In addition, various video contents provided by the website can be immediately checked through the cable network and used more conveniently. In particular, the video search results provided by the website can be provided directly as a web document, and if necessary, the video service can be used regardless of the set-top box specification by converting it to Java-enabled data.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

1 is a view provided to explain a video service system associated with cable broadcasting content.

Referring to FIG. 1, the video service system associated with the cable broadcasting content according to the present invention includes a cable network 10, a cable broadcasting communication system 20, a set-top box 30, a video reproducing apparatus 40, and a remote controller 50. ) And web site 60.

The cable network 10 connects the cable broadcasting communication system 20 (hereinafter referred to as a broadcasting communication system) and the set-top box 30 to exchange various programs, data, and messages with each other. The cable network 10 uses an optical path from the broadcast communication system 20 to a subscriber optical network terminator (ONU) (not shown), and uses a coaxial cable from the ONU to the set-top box 30. hybrid fiber coax (HFC) may be used. The HFC network is capable of high-speed data transmission of 10 Mbps or more with broadband of 750 MHz (upward (5 MHz to 42 MHz) and downward (54 MHz to 750 MHz)). In the HFC network, the downlink frequency band may be allocated to 54 MHz to 500 MHz (analog (cable TV) broadcasting), 500 MHz to 552 MHz (internet band), and 552 MHz to 750 MHz (additional service band such as digital TV). Of course, according to the development of the technology, the cable network 10 may be implemented in another method capable of high-speed, high-speed data transmission.

The broadcast communication system 20 performs a function of receiving terrestrial / airwave broadcast signals through an antenna (not shown), receiving broadcast contents from a cable TV broadcasting station, or relaying the signals to a user through the cable network 10. In addition, it means a system implemented to provide a variety of additional services such as online games, karaoke, home shopping, video on demand (VoD).

In particular, when the broadcast communication system 20 according to the present invention receives a video service request associated with cable broadcasting content from the user through the set-top box 30, the broadcast communication system 20 may provide a video service corresponding thereto. Here, the cable broadcast content may include all of a real-time broadcast program, VoD content, game content, and karaoke content provided by the broadcast communication system 20. In addition, the video service may include not only providing a video search result according to a video service request but also providing a specific video directly to the set top box 30. A detailed description of the broadcast communication system 20 will be given below in more detail.

The set-top box 30 is connected to the image reproducing apparatus 40 to properly convert the signal from the outside to display on the image reproducing apparatus 40, and transmits various commands input from the user through the remote control 50 to the broadcast communication system ( 20) to deliver the function.

In particular, when the user requests a video service, the set-top box 30 according to the present invention may transmit it to the broadcast communication system 20 and receive a video service corresponding thereto to output it to the video reproducing apparatus 40. Detailed description of the set-top box 30 will be described below in more detail.

The image reproducing apparatus 40 is a device for reproducing broadcast contents received through the cable network 10 and displaying a menu screen for using various services. The image reproducing apparatus 40 includes an LCD monitor, a PDP monitor, an organic EL monitor and a television. The same display device may be implemented. Although the set top box 30 and the image reproducing apparatus 40 are separately shown in FIG.

The remote controller 50 receives a command from the user and transmits the command to the set top box 30. The remote controller 50 may convert a user command into an infrared signal or an RF signal and wirelessly transmit the set command to the set top box 30.

Web site 60 is a collection of information stored in a web server (not shown) so that users can provide it whenever they need the information on the Internet, and search for the information by itself so that users can find and use the information more conveniently. Can provide results. According to the present invention, a video search result screen may be prepared and provided as a web document or a selected video may be provided at the request of the broadcast communication system 20. The web site 60 and the broadcast communication system 20 may be connected through the Internet.

Next, the broadcast communication system 20 according to an embodiment of the present invention will be described in detail with reference to FIG. 2.

FIG. 2 is a block diagram illustrating the broadcast communication system of FIG. 1 in more detail.

Referring to FIG. 2, the broadcast communication system 20 includes a broadcast headend 21, a combiner / deplexer 22, a CMTS 23, a management server 24, a database 25, and a video service server ( 26), a VoD service server 27.

The broadcast head end 21 refers to a broadcast equipment device that receives various broadcast contents through a wired / wireless network or self-produces them and transmits them to the user through the cable network 10. The broadcast head end 21 may transmit the cable broadcast signal obtained by modulating the broadcast content to the cable network 10 through the combiner / deplexer 22. Here, the cable broadcast signal refers to a signal transmitted according to an RF (frequency) method in which an area per channel is assigned to a frequency in advance and transmitted.

The CMTS (Cable Modem Termination System) 23 converts the IP packet transmitted from the broadcast communication system 20 into a cable data signal and passes through the combiner / deplexer 22 through the cable network 20 through the set top box. 30 to perform the function of converting the cable data signal transmitted from the set-top box 30 to an IP packet. Here, the cable data signal refers to a signal based on DOCSIS (data over cable service interface specifications) that specifies a modulation scheme and protocol for bidirectional signal exchange in the cable network 300.

The management server 24 controls the overall operation of the broadcast communication system 20, and in particular, the management server 24 according to the present invention may process the billing portion thereof when the video service requested by the user is charged.

The database 25 may store various information and data necessary for providing a video service according to the present invention.

In more detail, the database 25 may store a video content list. The video content list may include a video content name, a video content storage location, a video content index word, a video content thumbnail image, a video content description content, and the like. Here, the video content index word is a word representing the feature of the video content. For example, in the case of a music video, a singer's name, a music video title, and some words of song lyrics may be video content index words.

The video content list may include not only video content owned by the broadcast communication system 20 but also video content held by the web site 60. To this end, the broadcast communication system 20 may include a web robot (not shown) that performs a function of automatically collecting information on video content held by the web site 60 while periodically circulating on the web. Can be.

In addition, the database 25 may store a list of index words classified by cable broadcasting content. For example, in an electronic program guide (EPG) provided to the set-top box 30 in the broadcasting communication system 20, titles, genres, producers, performers, and other keywords describing the corresponding contents of the cable broadcasting contents. Etc. may be extracted with index words and stored in the database 25. Of course, if the cable broadcasting content is VoD content, the index word may be extracted from the information provided in the form of metadata. According to an exemplary embodiment, the operator side of the broadcast communication system 20 may manually create an index word list and store it in the database 25.

Meanwhile, the database 25 may store various video contents provided by the video search service according to the present invention.

The video service server 26 performs a function of providing a video service corresponding to the video service request transmitted from the set top box 30. The video service according to the present invention can be largely divided into two services, a video search and a video providing.

Video search service can be achieved by the following three methods.

In the first method, the video service server 26 determines a search word and searches for a video corresponding thereto without user confirmation and provides a search result. Here, the video service server 26 determines a search term as follows. When the set-top box 30 includes an index word when the video service request is received, the set-top box 30 may use it as a search word. On the other hand, when a video service request is delivered without an index word including a program ID (ID), a broadcast channel, a service request time, or a VoD content title, a broadcast schedule table including broadcast program information is held in the broadcast communication system 20. ) Or the index 25 can be extracted and used as a search word with reference to the database 25. This method can provide video search results with minimal user intervention.

The second method is to check a search word from a user and search for a video corresponding thereto to provide a search result. Checking the search word by the user may be performed in the following manner. The index word extracted from the cable broadcasting content in the set-top box 30 may be displayed on the image reproducing apparatus 40 to be confirmed by the user. In addition, as described above, when the search term extraction is performed in the video service server 26, the video service server 26 may present the extracted search term to the user through the set-top box 30 and receive confirmation. For example, if the live program is a movie title, the user will receive 'Taza', 'Gambling', 'Actresses (Cho Seung-woo, Kim Hye-soo)', 'Shooting place (XX Hotel, OO Restaurant, Casino)', 'Profit (XX Car, OO Pizza) , Cell phones) "and the like. According to this method, video content that is closer to the user's intention can be searched.

The third method is to receive the video search results from the web site 60 without the intervention of the video service server 30. In this case, the set-top box 30 may request a search result from the web site 60 by using the index word extracted for the cable broadcasting content as a search word. The broadcast communication system 20 transmits a video search service request transmitted through the cable network 10 to a web site 60 connected to the Internet through a gateway (not shown) and receives a search result to receive a cable network 10. It may be provided directly to the set-top box 30 through. According to this method, the broadcast communication system 20 delivers a video search service request from the set-top box 30 to the web site 60 and only the minimum configuration necessary for delivering the search result back to the set-top box 30. It can be implemented to have. According to an exemplary embodiment, the video search service request received through the CMTS 23 may be directly output through a gateway (not shown) connected to the Internet. At this time, the web site 60 changes the source address, the source port number, and the like of the IP packet constituting the video service request message so that the web site 60 recognizes the requester of the video search service as the broadcast communication system 20, and sets this information. Minimal components that perform operations such as storing in correspondence with the box 30 may be necessary. Therefore, the user can search and use the video associated with the cable broadcasting content through the set-top box 30 without changing the existing broadcast communication system.

On the other hand, the video service server 26 may provide the following method when providing the video search result by the first or second method described above.

First, the video service server 26 may search the video content having an index word corresponding to a search word by referring to the database 30 and generate a video search result using the same. Meanwhile, the video service server 26 may transmit a search word to the web site 60 and receive a video search result therefrom. The video service server 26 may provide a video search result searched by the database 25 and a video search result provided by the web site 60 together.

The video service server 26 may provide a video search result to the set top box 30. Here, the video search result may include contents such as a video content name, a video content thumbnail image, and a video content description as shown in FIG. 3 (a) or 3 (b). The video search result may be provided in the form of a web document written in hypertext markup language (HTML) or extensible markup language (XML), or may be provided in the form of data that may be processed by a Java (JAVA) application.

Meanwhile, the video service server 26 may process the video search result generated by itself or provided from the web site 60 in a predetermined manner. For example, the VoD content held by the broadcast communication system 20 may be exposed to the front, or the video content held by the web site 60 affiliated with the broadcast communication system 20 may be exposed to the front. In particular, in the case of VoD contents, the popularity of VoD services can be arranged in order to increase the user's use of the corresponding contents. For example, when a video search service is requested while watching a movie title, the hits of actors 'Jo Seung-woo' or 'Kim Hye-su' who appear in the movie may be arranged in the order of success or in the order of popularity of the VoD service. Meanwhile, the advertisement video contents may be exposed on the search result screen in the order in which the advertising unit costs are high. Search results may be processed using a variety of other methods that may further increase the user's use of video content.

Next, the video providing service will be described.

The video providing service may be provided by the following two methods.

First, the video service server 26 may provide video content selected by a user from video content included in a video search result. When the broadcast communication system 20 holds the video content selected by the user, the broadcast content may be provided to the set top box 30 through the VoD service server 27. For example, by providing a video content to the set-top box 30 by a Push VoD method or a download and play method, the user can conveniently implement the video content when desired. Of course, the video service server 26 may provide the video content stored in the database 25 directly by IP streaming. In this case, the video content may be reproduced as a picture in picture (PIP) of the screen on which the cable broadcast content is played. Meanwhile, the video search result may also be displayed as a sub-screen of the screen on which the cable broadcast content is played. Meanwhile, when the web site 60 has the video content selected by the user, the web site 60 may request the video content from the web site 60 and provide the video content to the set-top box 30.

Secondly, the video service server 26 may directly provide video content when a video service request is made from a user without providing a video search result. For example, in the case of specific cable broadcasting content, the set top box 30 may provide predetermined video content with respect to the cable broadcasting content without providing a video search result. Popularity of VoD content or advertisement video content with high advertising fees may be designated as a priority, and may be implemented to be sequentially and repeatedly provided in a predetermined video content pool. Various other methods may provide predetermined video content to the user. Meanwhile, the database 25 may store a list in which cable broadcasting content and video content associated with it are stored, and the video service server 26 refers to the set-top box when the user requests a video search service. You may provide to 30. Predetermined video content may be provided by real-time IP streaming, or may be provided by Push VoD or download playback method.

The VoD service server 27 performs a function of providing on-demand content requested from the user side in a streaming manner, and modulates the corresponding content including E-QAM (edge-QAM: not shown) and transmits it in the form of a cable broadcast signal. can do. In addition, the VoD service server 27 may provide on-demand or push VoD method of on-demand content requested from the user side.

Next, the set-top box 30 according to the present invention, which receives a video service provided from the broadcast communication system 20 and displays it on the video reproducing apparatus 40, will be described in detail with reference to FIG. 4.

4 is a block diagram illustrating a configuration of the set top box of FIG. 1.

Referring to FIG. 4, the set top box 30 according to the present invention includes a broadcast receiver 31, a cable modem 33, a controller 35, a communication unit 36, a storage unit 37, and a cable card 38. It may include.

The broadcast receiver 31 receives a cable broadcast signal transmitted from the broadcast communication system 20, selects a cable broadcast signal of a channel desired by a user, and performs a function of transmitting the cable broadcast signal to the controller 35. To this end, the broadcast receiver 31 may include a tuner (not shown) and a demodulator (not shown).

The cable modem 33 converts the cable data signal into an IP packet or converts the IP packet into a cable data signal. For example, the IP packet transmitted from the control unit 35 is converted into a cable data signal and output through the cable network 10. On the contrary, the cable data signal received through the cable network 10 is converted into an IP packet to the control unit 35. I can deliver it.

The controller 35 controls the overall operation of the set top box 30. The control unit 35 may include a CPU (not shown) and a video decoder (not shown) that supports codecs such as MPEC2, H.264, and VC-1. The set-top box may be stored in the storage unit 37. The set-top box 30 is operated by using various programs and data for operation. For example, the controller 35 allows the image reproducing apparatus 40 to output images, texts, sounds, etc. according to cable broadcasting, VoD content, or web service selected by the user.

In addition, the controller 35 may request a service corresponding to the broadcast communication system 20 according to a selection input from a user. In particular, according to the present invention, when the video service request command is input from the user, the control unit 35 may deliver the video service to the broadcast communication system 20. In particular, the controller 35 according to the present invention may execute a browser to output the video search result provided in the form of a web document from the image reproducing apparatus 40.

More specifically, when a user inputs a video service request command while watching a cable broadcast content, identification information (broadcast program ID, broadcast channel, or service request time) of the cable broadcast content currently output from the video reproducing apparatus 40. Alternatively, the video service request including the index word is transmitted to the broadcast communication system 20. The controller 35 may extract broadcast content identification information or index word from metadata provided with the electronic program guide or the cable broadcast content.

The controller 35 may display the index word extracted from the electronic program guide or the meta data on the image reproducing apparatus 40 and request a video search service from the broadcast communication system 20 using the index word selected from the user as a search word. Meanwhile, the video search apparatus 40 may display a list of search terms transmitted from the broadcast communication system 20 and request a video search service from the broadcast communication system 20 using the selected word as a search word.

The controller 35 may be previously set by the user to request to play the associated video without providing the video search result. In this case, the controller 35 may be implemented to transmit a message requesting a video service to the broadcast communication system 20 as set.

The communication unit 36 may include an infrared or RF module capable of receiving a signal from the remote controller 50. The set top box 30 may receive various commands from the user through the remote controller 50, and in particular, may receive a video service request command according to the present invention.

In addition, the communication unit 36 may perform wired or wireless communication with an information home appliance located in the home, including an Ethernet controller, and provide video content. The communication unit 36 has a communication interface such as a USB (Universal Serial Bus) interface, a CF card interface, an MMC interface, an SD card interface, an XD card interface, and the like to carry the video content or the video search result stored in the storage unit 37. It may be stored in a storage medium or a portable playback device (not shown).

The storage unit 37 stores various programs and data necessary for the operation of the set top box 30. The storage unit 37 may store a video search result or video content provided by the broadcast communication system 20 and provide the same at the request of the controller 35.

The cable card 38 performs a function of descrambles the encrypted cable broadcast signal and transmits the descrambled signal to the controller 35. Meanwhile, the cable card 38 may perform a function for authenticating whether the user is allowed to use the corresponding content in connection with the broadcast communication system 20. In this embodiment, the cable card 38 is described as being mounted on the set top box 300, but the cable card 38 may be implemented to be detachable to the set top box (30).

Next, a video service method associated with cable broadcasting content according to the present invention will be described with reference to FIG. 5.

5 is a flowchart illustrating a video service method associated with cable broadcasting content according to an embodiment of the present invention.

Referring to FIG. 5, first, the broadcast communication system 20 may provide cable broadcast content through a cable network in operation S510. The cable broadcast content may be broadcast content broadcast in real time from the broadcast headend 21 or VoD content provided in a VoD method. Along with the cable broadcast content, metadata including cable broadcast content identification information or other information may be delivered together. In the case of real-time broadcast content, corresponding information may be included in the electronic program guide.

Next, the set-top box 30 reproduces the cable broadcast content in the video reproducing apparatus 40 (S520), when a video service request command is input from the user (S530-Y), the video service is provided to the broadcast communication system 20. Deliver the request (S540).

Thereafter, the broadcast communication system 20 provides a video service according to the video service request transmitted from the set top box 30 (S550). Step S550 will be described in more detail with reference to FIG. 6.

Referring to FIG. 6, first, the broadcast communication system 20 determines whether to provide a video search result or a video directly associated with cable broadcast content (S551).

When providing a video search result (S551-A), the broadcast communication system 20 may generate a search result for the video associated with the cable broadcast content with reference to the database 25 (S552). According to an exemplary embodiment, the predetermined web site 60 may request a video search associated with the cable broadcasting content and receive the video search.

Next, the broadcast communication system 20 provides the set top box 30 with a video search result generated by itself or provided from the web site 60 (S553). If necessary in step S553, a video search result having a web document form may be converted into Java support data form or the reverse process may be performed. Of course, the video search result generated by itself may be processed to include the video search result provided by the website (60).

Then, when the user who checks the video search results in the set-top box 30 wants a specific video content (S554), the broadcast communication system 20 in the database 25, VoD service server 27 or Web site 60 Received and provided to the set-top box 30 (S555).

On the other hand, if there is a predetermined video content in the cable broadcast content (S551-B), the broadcast communication system 20 provides the video content to the set-top box 30 (S556).

Finally, the video content provided to the set top box 30 may be directly played by the image reproducing apparatus 40 (S557). In this case, the video content may be reproduced as a picture in picture (PIP) of the screen on which the cable broadcast content is played. Of course, after being stored in the set-top box 30 may be played when the user wants. Meanwhile, the video search result may also be displayed as a sub-screen of the screen on which the cable broadcast content is played.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

1 is a view provided to explain a video service system associated with cable broadcasting content.

FIG. 2 is a block diagram illustrating the broadcast communication system of FIG. 1 in more detail.

3 is an exemplary view showing a video search result according to the present invention.

4 is a block diagram illustrating a configuration of the set top box of FIG. 1.

5 is a flowchart illustrating a video service method associated with cable broadcasting content according to an embodiment of the present invention.

6 is a flowchart illustrating a video service providing step of FIG. 5 in more detail.

Claims (16)

A cable broadcasting content providing unit for providing cable broadcasting contents, and Video service unit for providing a video service related to the cable broadcasting content Video service system through a cable network comprising a. In claim 1, The video service is a video service system through a cable network, characterized in that any one of providing a video search result associated with the cable broadcast content or providing a video associated with the cable broadcast content. The method of claim 2, And a database unit for storing a video content list including at least one of a video content name, a video content storage location, a video content index word, a video content thumbnail image, and a video content description content. Video service system. In claim 3, The video service unit, A cable network comprising providing a video search result including at least one of a video search result generated by referring to the database and a video search result received by requesting a predetermined web site to the set-top box requesting the video service. Video service system through. In claim 4, And the video search result is processed so that video content is arranged in a predetermined priority order. In claim 5, The video search result is a video service system over a cable network, characterized in that arranged in the order of popularity among the VoD content related to the cable broadcasting content. In claim 5, The video service unit, And a video content selected by a user from the video search result. In claim 2, The video service unit, The video service system through a cable network, characterized in that for providing a predetermined video content with respect to the cable broadcast content. In claim 2, The video search result is a video service system, characterized in that provided in the form of data that can be processed in a web document or a Java application. A broadcast receiver for receiving a cable broadcast signal, A cable modem for receiving cable data signals, and Control unit for receiving a video service request for the broadcast cable broadcast content from the outside when the user receives a video service request for the cable broadcast content delivered through at least one of the cable broadcast signal or the cable data signal Set top box comprising a. In claim 10, The video service is any one of providing a video search result related to the cable broadcasting content or providing a video related to the cable broadcasting content. In claim 11, The video service request is delivered to a predetermined website through a cable network, The control unit is a set-top box, characterized in that for processing the video service provided in response to the video service request from the web site in a video playback device through a browser to output. Providing cable broadcast content, Receiving a video service request related to the cable broadcasting content; and Providing a video service related to the cable broadcasting content Video service method through a cable network comprising a. In claim 13, The video service providing step, Generating a video search result related to the cable broadcasting content based on the index word or the cable broadcasting content identification information included in the video service request, and And providing the video search result to the set-top box requesting the video service. In claim 13, The video service providing step, Receiving a video search request from a predetermined web site based on the index word included in the video service request or the cable broadcasting content identification information; and And providing the video search result to the set-top box requesting the video service. In claim 13, The video service providing step, The video service method through a cable network, characterized in that for providing the video content that is predetermined in relation to the cable broadcast content to the set-top box requesting the video service.

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