KR20120116227A - Method for providing contents optional information and apparatus therefor - Google Patents

Abstract

PURPOSE: A content additional information supplying method and an apparatus thereof are provided to satisfy a request of a user who desires various types of broadcasting services. CONSTITUTION: A mobile communication terminal obtains identification information of a broadcasting channel from a broadcasting receiving device(S205). The mobile communication terminal transmits an additional information request message to a broadcasting content server according to an addition information request signal(S209). The mobile communication terminal receives the additional information from the broadcasting content server(S215). The additional information is extracted based on the identification information of the broadcasting channel. [Reference numerals] (AA) IPTV; (BB) Mobile communication terminal; (CC) Broadcasting content server; (DD) Database; (EE) Input time, channel information; (S201) IPTV searching; (S203) Requesting channel identification information; (S205) Receiving channel identification information; (S207) Receiving an additional information request signal; (S209) Requesting additional information; (S211) Confirming the playing position of broadcasting content; (S213) Extracting the additional information; (S215) Transmitting the additional information; (S217) Outputting the additional information

Description

METHOD FOR PROVIDING CONTENTS OPTIONAL INFORMATION AND APPARATUS THEREFOR}

The present invention relates to a technology for providing content additional information, and more particularly, to a method for providing additional information of content being played in a broadcast receiving device and an apparatus therefor.

A television is a device that displays a video / audio signal received through radio waves or a wired line on a screen, and users are provided with various contents such as news, drama, and entertainment program through the television. Conventionally, contents produced in analog form have been transmitted, but now digital TV is spreading, and users may receive and watch high quality digital broadcasting contents. In addition, Internet Protocol Television (IPTV) has become widespread so that users can receive interactive broadcasting services through the IPTV. In addition, a digital multimedia broadcasting (DMB) broadcasting service is started, so that users can watch broadcast contents while moving.

By the way, these various types of TV have been spread, but the level of broadcasting service suitable for this is uniform. In other words, the broadcast service has grown qualitatively in terms of hardware, but is still weak in terms of software using content.

The present invention has been made to solve such a conventional problem, and provides the user with additional information such as the plot, props, actor information, OST (Original Sound Track), etc. of the broadcast content being played in the broadcast receiving device (eg, a television). An object of the present invention is to provide a method for providing additional content information and an apparatus therefor.

Other objects and advantages of the present invention can be understood by the following description, and will be more clearly understood by the embodiments of the present invention. It will also be readily apparent that the objects and advantages of the invention may be realized and attained by means of the instrumentalities and combinations particularly pointed out in the appended claims.

In the apparatus for providing content additional information according to the first aspect of the present invention for achieving the above object, a method of providing additional information of the broadcast content to a user in association with a broadcast receiving device that is outputting broadcast content is the broadcast receiving device. Acquiring broadcast channel identification information from the broadcast receiving device to obtain identification information of a broadcast channel used to receive the broadcast content in communication with the mobile station; Transmitting an additional information request message including an input time of the request signal and identification information of the obtained broadcast channel, and transmitting the additional information request signal to the broadcast content server according to the input of the additional information request signal from the user; And additional information receiving step of receiving and displaying additional information on a playback section of the broadcast content extracted based on the identification information of the broadcast channel and the input time from the broadcast content server.

According to a second aspect of the present invention for achieving the above object, an apparatus for providing a user with additional information of broadcast content in association with a broadcast receiving device for receiving and outputting broadcast content through a broadcast channel, the display unit; A channel synchronization unit for communicating with the broadcast receiving device to obtain identification information of a broadcast channel used to receive the broadcast content; And when the additional information request signal is input from the user, generates an additional information request message including an input time of the request signal and identification information of the obtained broadcast channel, and transmits the additional information request message to the broadcast content server. And additional information acquiring unit for receiving additional information on a reproduction section of the broadcast content extracted based on the input time from the broadcast content server and outputting the additional information to the display unit.

According to a third aspect of the present invention, a broadcast content device for providing additional information of broadcast content output from a broadcast receiving device includes: a database for mapping and storing additional information for each playback period of each broadcast content; A receiver configured to receive a message including additional information request time information and broadcast channel identification information from a mobile communication terminal which obtains identification information of a fixed broadcast channel in the broadcast receiving apparatus; A playback point identification unit for identifying broadcast content being transmitted to the broadcast receiving device in real time based on the broadcast channel identification information, and confirming a playback section of the identified broadcast content based on the additional information request time information; And an additional information providing unit configured to extract additional information stored in the database and mapped to the playback section of the identified broadcast content and transmit the extracted additional information to the database.

The present invention has the advantage of reviving the needs of users who want various types of broadcast services by providing the user with additional information on the broadcast content being viewed.

In particular, the present invention has an advantage of allowing the user to conveniently check the additional information by transmitting the additional information of the broadcast content being viewed through the broadcast receiving device to a device (for example, a mobile communication terminal) that the user is carrying. .

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the principles of the invention. And shall not be construed as limited to such matters.
1 is a diagram illustrating a configuration of a broadcast service system according to an embodiment of the present invention.
2 is a flowchart illustrating a method of providing additional information of broadcast content to a user in a broadcast service system according to an embodiment of the present invention.
3 is a diagram illustrating a configuration of a broadcast content server according to an embodiment of the present invention.
4 is a flowchart illustrating a method of transmitting additional information of broadcast content to a mobile communication terminal in a broadcast content server according to an embodiment of the present invention.
5 is a diagram illustrating a configuration of an apparatus for providing content additional information according to an embodiment of the present invention.
6 is a flowchart illustrating a method of providing additional information of content to a user in an apparatus for providing additional information of content according to an embodiment of the present invention.

The foregoing and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, in which: There will be. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating a configuration of a broadcast service system according to an embodiment of the present invention.

As shown in FIG. 1, the broadcast service system according to the preferred embodiment of the present invention includes a mobile communication terminal 110, an Internet Protocol television (IPTV) 120, a broadcast content server 130, and a database 140. ). The broadcast content server 130 communicates with the IPTV 120 and the mobile communication terminal 110 through the network 150. The network 150 includes a wired / wireless broadband internet network and a mobile communication network, and any network can be used without limitation as long as it is capable of streaming broadcast content to the IPTV 120 and performing wireless communication with the mobile communication terminal 110.

In addition to providing a mobile communication service to a user, the mobile communication terminal 110 includes a function of receiving and outputting additional information about the broadcast content being played on the IPTV 120 from the broadcast content server 130. In particular, the mobile communication terminal 110 acquires the identification information of the broadcast channel that is used as the reception content of the broadcast content in the IPTV 120, and when the additional information request signal of the content is input from the user, the request signal is inputted. The received time and the acquired broadcast channel identification information to the broadcast content server 130, and receives additional information on the playback section of the broadcast content from the broadcast content server 130.

The mobile communication terminal 110 may include a personal digital assistant (PDA), a cellular phone, a personal communication system (PCS) phone, a global system for mobile communications (GSM) phone, a wideband code division multiple access (WCDMA) phone, and a code division (CDMA). Multiple Access) phone, Wibro (Wireless Broadband) phone, preferably a smart phone (smart phone).

An IPTV (Internet Protocol television) is a broadcast receiving device that receives and outputs broadcast content from the broadcast content server 130. In particular, the IPTV 120 provides identification information of the currently fixed broadcast channel to the mobile communication terminal 110 through short range wireless communication such as Bluetooth and infrared communication.

The database 140 stores broadcast contents such as dramas, movies, entertainment, sports, news, documentaries, and the like by broadcasting channels. In particular, the database 140 divides the broadcast content into a plurality of playback sections, maps and stores additional information on each of the divided playback sections. The additional information includes prop information, shooting location information, actor information, original sound track (OST) information output from the playback section of the broadcast content, plot information of the broadcast content, and news article information. . For example, when a drama content having a total playing time of 10 minutes is divided into a playback section of 0 minutes 00 seconds to 4 minutes 35 seconds, and 4 minutes 36 seconds to 10 minutes 00 seconds, playback of the 0 minutes 00 seconds to 4 minutes 35 seconds is performed. As additional information about the section, the costume information of the character, the location information currently being photographed, the drama OST information, the profile information of the character, drama news information, and the like may be stored in the database 140. In addition, the database 140 stores a broadcasting schedule table in which identification information of broadcast contents transmitted per time zone is classified and recorded for each broadcasting channel.

The broadcast content server 130 provides the broadcast content to the IPTV 120 in real time, and provides the mobile communication terminal 110 with additional information on the playback section of the broadcast content. Specifically, the broadcast content server 130 extracts the broadcast content programmed according to the broadcast schedule from the database 140 for each broadcast channel and streams it to the IPTV 120.

In addition, when the broadcast content server 130 receives the additional information request message including the input time information and the broadcast channel identification information from the mobile communication terminal 110, the database 140 based on the broadcast channel identification information and the input time information. Extracts additional information from and transmits it to the mobile communication terminal (110). That is, the broadcast content server 130 identifies the broadcast content being sent to the IPTV 120 in the broadcast schedule of the database 140 based on the broadcast channel identification information, and organizes the input time information and the identified time zone of the broadcast content. After confirming the playback section of the broadcast content, the additional information mapped to the playback section of the broadcast content is extracted from the database 140 and transmitted to the mobile communication terminal 110.

2 is a flowchart illustrating a method of providing additional information of broadcast content to a user in a broadcast service system according to an embodiment of the present invention.

Referring to FIG. 2, when the mobile communication terminal 110 receives an IPTV search request manipulation signal from a user, the mobile communication terminal 110 searches for one or more IPTVs 120 sensed in the vicinity through short-range wireless communication (S201). Preferably, the mobile communication terminal 110 uses the short range wireless communication module to search whether a short range wireless communication capable IPTV 120 is present in the vicinity. Subsequently, the mobile communication terminal 110 outputs the identification information of the searched one or more IPTVs 120 on the screen, and receives a channel synchronization operation signal for the specific IPTV 120 from the user.

Then, the mobile communication terminal 110 requests broadcast channel identification information to the IPTV 120 designated as a channel synchronization target, and receives broadcast channel identification information from the IPTV 120 (S203 and S205). That is, the mobile communication terminal 110 requests the IPTV 120 for identification information of a broadcast channel that is used as a reception path of the broadcast content being output, and receives the broadcast channel identification information from the IPTV 120 accordingly. Thereafter, when the fixed broadcast channel is changed, the IPTV 120 may transmit identification information of the changed broadcast channel to the mobile communication terminal 110. Alternatively, the mobile communication terminal 110 continuously monitors whether the broadcasting channel of the IPTV 120 is changed, and thus, when the IPTV 120 changes the broadcasting channel, the mobile communication terminal 110 may immediately obtain identification information of the changed broadcasting channel.

In this state in which the IPTV 120 and the broadcast channel identification information are synchronized, the mobile communication terminal 110 receives an additional information request signal from the user (S207). Then, the mobile communication terminal 110 generates an additional information request message including the input time information into which the request signal is input and the acquired broadcast channel identification information and transmits the additional information request message to the broadcast content server 130 (S209).

Then, the broadcast content server 130 extracts input time information and broadcast channel identification information included in the additional information request message. Subsequently, the broadcast content server 130 identifies the broadcast content being broadcast in real time to the IPTV 120 based on the extracted broadcast channel identification information through a broadcast schedule. The broadcast content server 130 checks the transmission time zone of the identified broadcast content in the broadcasting schedule and, based on the transmission time zone and the received input time information, the IPTV 120 at the time when the user inputs the additional information request signal. The playback point (i.e., hour, minute, and second) of the broadcast content transmitted to the terminal is checked (S211). That is, the broadcast content server 130 checks the time (ie, hour, minute, and second) at which the identified broadcast content is played when the user inputs the additional information request signal based on the transmission time zone and the input time information. Here, the playback point of the broadcast content refers to time information (that is, hour and minute) in which a specific scene (or sound) is expressed in the entire reproduction time of the broadcast content.

Next, the broadcast content server 130 checks the playback section to which the playback point of the identified broadcast content belongs in the database 140, and additionally stores additional information mapped to the playback section of the identified broadcast content in the database 140. Extracted from and transmitted to the mobile communication terminal (110) (S213, S215). The additional information includes prop information, shooting location information, actor information, OST information, and overall plot information on a playback section of the corresponding content.

For example, when the broadcast content server 130 receives the input time information of '22: 30: 35 seconds' and the broadcast channel identification information of '7CH', the broadcast content server 130 is organized in KBS2 that is 7CH from 22:00 to 23:05. The broadcast content is' drama 01.asf 'through the broadcast schedule, and the input time information '22: 30: 30 seconds' and the transmission time of the' drama 01.asf '(ie, 22:00 to 23: On the basis of 05), the mobile communication terminal 110 recognizes that the playback point of 'Drama 01.asf' is '30 minutes and 35 seconds' when the additional information request signal is input. The broadcast content server 130 checks the playback section belonging to the playback point of '30 minutes 35 seconds' among the playback sections of the plurality of divided 'drama 01.asf' and displays additional information mapped to the playback section. Extracted from the database 140 and transmitted to the mobile communication terminal (110).

When the mobile communication terminal 110 receives the additional information from the broadcast content server 130, the mobile communication terminal 110 displays the additional information on the screen, thereby providing the user with additional information about the broadcast content being played on the IPTV 120 (S217). ). In addition, the mobile communication terminal 110 may store the received additional information in a memory according to a user's manipulation signal.

According to the above procedure, when the user wants to read additional information about a specific screen played on the IPTV 120, the user can use the mobile communication terminal 110 for the playback section of the broadcast content being output from the IPTV 120. Additional information can be received.

3 is a diagram illustrating a configuration of a broadcast content server according to an embodiment of the present invention.

As shown in FIG. 3, the broadcast content server 130 according to an exemplary embodiment of the present invention includes a transceiver 131, a broadcast content transmitter 132, a playback point checker 133, and additional information provider ( 134).

The transceiver 131 performs a function of communicating with each of the mobile communication terminal 110 and the IPTV 120 through the network 150.

The broadcast content transmitter 132 extracts the broadcast content organized in the corresponding time zone from the database 140 for each broadcast channel based on the broadcast schedule stored in the database 140, and transmits and receives the extracted broadcast content to the transceiver 131. Streaming to IPTV 120 in real time through.

The playback point confirmation unit 133 checks the playback point of the broadcast content for which the additional information is requested. In detail, the playback point checker 133 extracts the input time information and the broadcast channel identification information from the additional information request message received through the transceiver 131. In addition, the playback point checker 133 identifies the broadcast content being broadcast in real time to the IPTV 120 based on the extracted broadcast channel identification information through the broadcast schedule of the database 140, and the input time information and the identified broadcast. After identifying the point at which the broadcast content was played at the time when the user inputs the additional information request signal based on the transmission time of the content, the identification information and the playback point of the broadcast content are transmitted to the additional information providing unit 134.

The additional information providing unit 134 extracts additional information from the database 140 and transmits the additional information to the mobile communication terminal 110 based on the identification information and the playback point of the broadcast content received from the playback point confirming unit 133. That is, the additional information providing unit 134 checks the playback section to which the playback point of the broadcast content belongs in the database 140 and additionally stores the additional information (property information, shooting location information, Actor information, OST information and overall plot information, etc.) are extracted from the database 140 and transmitted to the mobile communication terminal 110.

4 is a flowchart illustrating a method of transmitting additional information of broadcast content to a mobile communication terminal in a broadcast content server according to an embodiment of the present invention.

Referring to FIG. 4, the transceiver 131 of the broadcast content server 130 receives an additional information request message including input time information and broadcast channel identification information from the mobile communication terminal 110 (S401). That is, as the mobile communication terminal 110 receives the additional information request signal from the user, the mobile communication terminal 110 receives the additional information request message including the input time information into which the request signal is input and the broadcast channel identification information obtained from the IPTV 120. It generates and transmits to the broadcast content server 130, the transceiver 131 of the broadcast content server 130 receives the additional information request message from the mobile communication terminal (110).

Then, the playback point checker 133 extracts the input time information and the broadcast channel identification information included in the additional information request message (S403). Subsequently, the playback point checker 133 identifies the broadcast content being transmitted to the IPTV 120 in real time through the broadcast schedule of the database 140 based on the extracted broadcast channel identification information and the input time information. That is, the playback point checker 133 identifies the broadcast content that the user is watching through the IPTV 120 in the broadcast schedule based on the extracted broadcast channel identification information and the input time information. Next, when the user inputs the additional information request signal based on the extracted input time information, the playback point confirming unit 133 checks the point where the identified broadcast content is played (that is, hour, minute, and second) (S405).

For example, when the input time information of '20: 35: 34 'and the broadcast channel identification information of' 9CH 'are extracted from the additional information request message, the playback point checking unit 133 may determine the input time (22:35). Minute 34 seconds) and broadcast channel identification information (9CH), it is confirmed in the broadcast schedule that the broadcast content organized in 9CH from 20:30 to 21:00 is 'drama 04.asf'. Also, the playback point checker 133 is configured to output the additional information request signal from the mobile communication terminal 110 based on the input time information '20: 35: 34 seconds'. It is being played on IPTV 120 by seconds.

The playback point confirming unit 133 confirming the playing time of the broadcast content requested for additional information is transferred to the mobile communication terminal 110 by transmitting the identification information and the playback point of the broadcast content to the additional information providing unit 134. Instructs the transmission of information.

Then, the additional information providing unit 134 extracts additional information from the database 140 on the basis of the identification information and the playback point information of the broadcast content received from the playback point checking unit 133 (S407). In detail, the additional information providing unit 134 checks, in the database 140, the playback section to which the playback point of the broadcast content received from the playback point checker 133 belongs among the plurality of divided playback sections. The additional information providing unit 134 extracts additional information (property information, shooting location information, actor information, OST information, and entire plot information, etc.) stored by mapping with the playback section of the identified broadcast content in the database 140. It transmits to the mobile communication terminal 110 (S409).

Meanwhile, in the description referred to in the above-described embodiment, the mobile communication terminal 110 has a function of synchronizing the broadcast channel with the IPTV 120 and requesting and receiving additional information of the broadcast content from the broadcast content server 130. As described above, this function may be implemented as an independent device and may be mounted in other devices in addition to the mobile communication terminal 110.

5 is a diagram illustrating a configuration of an apparatus for providing content additional information according to an embodiment of the present invention.

As shown in FIG. 5, the apparatus for providing content additional information 500 according to an exemplary embodiment of the present invention includes a short range communication unit 510, a remote communication unit 520, an input unit 530, a display unit 540, and channel synchronization. The unit 550 and the additional information acquisition unit 560 are included.

The short range communication unit 510 performs short range communication with the IPTV 120 using a short range communication protocol such as Bluetooth or infrared light.

The remote communication unit 520 performs long distance communication with the broadcast content server 130 via a mobile communication network included in the network 150.

The input unit 530 includes a keypad and the like and performs a function of receiving a user's operation signal.

The display unit 540 is a liquid crystal display and displays information processed by the content additional information providing apparatus 500 as a form that can be identified by a user (eg, an image or text). In particular, the display unit 540 may be a touch screen. In this case, the display unit 540 additionally performs a function of the input unit 530.

The channel synchronizer 550 searches for one or more IPTVs 120 sensed in the periphery using the local area communicator 510 and synchronizes broadcast channels of the IPTV 120 designated by the user. That is, the channel synchronizer 550 continuously acquires identification information of the broadcast channel which is used as the output path of the broadcast content in the designated IPTV 120.

When the input unit 530 receives the additional information manipulation signal from the user, the additional information obtaining unit 560 checks the time when the manipulation signal was input, and the broadcasting channel obtained by the input time information and the channel synchronization unit 550. The additional information request message including the identification information is generated and transmitted to the broadcast content server 130. In addition, when the additional information obtaining unit 560 receives the additional information of the broadcast content from the broadcast content server 130 through the remote communication unit 520, the additional information obtaining unit 560 displays the additional information on the display unit 540.

6 is a flowchart illustrating a method of providing additional information of content to a user in an apparatus for providing additional information of content according to an embodiment of the present invention.

Referring to FIG. 6, when the input unit 530 of the apparatus 500 for providing content additional information receives an IPTV search request manipulation signal from a user, the channel synchronizer 550 provides the content additional information using the local area communication unit 510. Search for one or more IPTVs 120 detected in the periphery of the device 500 (S601, S603). The channel synchronizer 550 outputs the detected identification information of the at least one IPTV 120 to the display unit 540, and selects a selected signal of the specific IPTV 120 to synchronize the broadcast channel through the input unit 530. It is input from the user (S605).

Then, the channel synchronization unit 550 requests the broadcast channel identification information to the IPTV 120 designated as the channel synchronization target by using the short range communication unit 510, and receives the broadcast channel identification information from the IPTV 120 (S607). ). That is, the channel synchronization unit 550 requests the selected IPTV 120 to use the local area communication unit 510 for identification information of a broadcast channel to be used as a reception path of the broadcast content being output, and then provides the broadcast channel identification information accordingly. From IPTV 120.

Next, the additional information obtaining unit 560 outputs to the display unit 540 that the broadcast channel synchronization is completed, and also outputs the additional information request icon to the display unit 540. Meanwhile, the channel synchronizer 550 continuously monitors whether the broadcast channel of the IPTV 120 is changed through the short range communication unit 510 and changes the broadcast channel identification information to the IPTV when the broadcast channel is changed. Obtained in real time from the (120) and output to the display unit 540.

In this state of obtaining the identification information of the broadcast channel used in the IPTV 120, the input unit 530 receives the additional information request signal from the user (S609). That is, when the user clicks the additional information request icon, the additional information request signal is transmitted to the additional information obtaining unit 560 through the input unit 530.

Then, the additional information obtaining unit 560 checks the time at which the additional information request signal is input, and generates an additional information request message including the input time information and the broadcast channel identification information acquired by the channel synchronization unit 550. Thereafter, the generated additional information request message is transmitted to the broadcast content server 130 using the remote communication unit 520 (S611). Subsequently, when the additional information obtaining unit 560 receives the additional information on the corresponding broadcast content section through the remote communication unit 520, the additional information obtaining unit 560 displays the additional information on the display unit 540 to broadcast to the user the IPTV 120. The additional information of the content is recognized (S613). In addition, when the additional information storage signal is input through the input unit 530, the additional information obtaining unit 560 stores the additional information in a memory (not shown).

Meanwhile, in the above-described embodiment, the apparatus for synchronizing broadcast channel identification information by short-range wireless communication with the content additional information providing apparatus 500 has been described as being an IPTV 120. However, the present invention is not limited thereto. The user may provide additional information of broadcast content to a user by interworking with various broadcast receiving apparatuses such as a TV and a beam projector having a TV receiving function. Therefore, the IPTV 120 described in the above-described embodiment is a broadcast receiving device capable of providing broadcast channel identification information to the content additional information providing apparatus 500 by performing wireless communication with the content additional information providing apparatus 500. It must be understood.

While the specification contains many features, such features should not be construed as limiting the scope of the invention or the scope of the claims. In addition, the features described in the individual embodiments herein may be combined and implemented in a single embodiment. Conversely, various features described in the singular < Desc / Clms Page number 5 > embodiments herein may be implemented in various embodiments individually or in combination as appropriate.

Although the operations have been described in a particular order in the figures, it should be understood that such operations are performed in a particular order as shown, or that all described operations are performed to obtain a sequence of sequential orders, or a desired result . In certain circumstances, multitasking and parallel processing may be advantageous. It should also be understood that the division of various system components in the above embodiments does not require such distinction in all embodiments. The above-described program components and systems can generally be implemented as a single software product or as a package in multiple software products.

The method of the present invention as described above may be implemented as a program and stored in a recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto-optical disk, etc.) in a computer-readable form. Since this process can be easily implemented by those skilled in the art will not be described in more detail.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. The present invention is not limited to the drawings.

110: mobile communication terminal 120: IPTV
130: broadcast content server 131: transceiver
132: broadcast content transmission unit 133: playback point confirmation unit
134: additional information providing unit 140: database
500: apparatus for providing additional content information 510: short-range communication unit
520: telecommunication unit 530: input unit
540: display unit 550: channel synchronization unit
560: additional information acquisition unit

Claims (9)

In the content additional information providing apparatus, a method for providing additional information of the broadcast content to the user in conjunction with a broadcast receiving device that is outputting the broadcast content,
Acquiring broadcast channel identification information by communicating with the broadcast receiving device to obtain identification information of a broadcast channel used for receiving the broadcast content from the broadcast receiving device;
Transmitting an additional information request message including an input time of the request signal and identification information of the obtained broadcast channel, and transmitting the additional information request signal to the broadcast content server according to the input of the additional information request signal from the user; And
And additional information receiving step of receiving and displaying additional information on a playback section of the broadcast content extracted based on the identification information of the broadcast channel and the input time from the broadcast content server. The method of claim 1,
The broadcasting channel identification information obtaining step,
Searching for a broadcast receiving device detected at a current location through short-range communication; And
And obtaining identification information of a broadcast channel through which the broadcast content is received by short-range communication with the broadcast reception device selected by the user among the searched one or more broadcast reception devices. The method according to claim 1 or 2,
The broadcasting channel identification information obtaining step,
Monitoring whether a broadcast channel is changed by the broadcast receiving device; And
And acquiring identification information of the changed broadcast channel when the broadcast channel is changed by the broadcast receiving device. The method according to claim 1 or 2,
The additional information includes at least one or more of a broadcast content plot, prop information, shooting location, actor information, music information, news article information. A device for providing additional information of broadcast content to a user in conjunction with a broadcast receiving device that receives and outputs broadcast content through a broadcast channel,
A display section;
A channel synchronization unit for communicating with the broadcast receiving device to obtain identification information of a broadcast channel used to receive the broadcast content; And
When an additional information request signal is input from a user, an additional information request message including an input time of the request signal and identification information of the obtained broadcast channel is generated and transmitted to a broadcast content server, and the identification information of the broadcast channel and the And an additional information obtaining unit which receives additional information on a playback section of the broadcast content extracted based on an input time from the broadcast content server and outputs the additional information to the display unit. The method of claim 5, wherein
Further comprising: a short-range communication unit for short-range communication with the broadcast receiving device;
The channel synchronization unit searches for a broadcast receiving device detected at a current location by using the short range communication unit, outputs the display unit, and performs a short range communication with a broadcast receiving apparatus designated by a user among the output one or more broadcast receiving apparatuses. Content additional information providing device, characterized in that for obtaining the identification information. The method according to claim 6,
The channel synchronization unit,
And monitoring the broadcast channel of the broadcast receiver to change the broadcast channel using the short range communication unit, and obtaining identification information of the changed broadcast channel. A broadcast content device for providing additional information of broadcast content output from a broadcast receiving device,
A database for mapping and storing additional information for each playback section of each broadcast content;
A receiver configured to receive a message including additional information request time information and broadcast channel identification information from a mobile communication terminal which obtains identification information of a fixed broadcast channel in the broadcast receiving apparatus;
A playback point identification unit for identifying broadcast content being transmitted to the broadcast receiving device in real time based on the broadcast channel identification information and confirming a playback section of the identified broadcast content based on the additional information request time information; And
And an additional information providing unit configured to extract additional information stored in the database and stored in the database, the additional information being mapped to the playback section of the identified broadcast content and transmitted to the mobile communication terminal. The method of claim 8,
The database stores a broadcasting schedule table in which identification information of broadcast contents transmitted according to time slots is recorded for each broadcasting channel,
The playback point confirming unit identifies, on the broadcast schedule, broadcast content being transmitted to the broadcast receiving device through the broadcast channel on the basis of the broadcast channel identification information. And confirming a playback section of the identified broadcast content on the basis of the broadcast content device.

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