KR101130077B1 - System and method for delivery broadcasting contents - Google Patents

Abstract

The present invention relates to a system and method for providing broadcast contents, so that broadcast contents being viewed on a portable terminal using a CDN (Content Delivery Network) service can be continuously watched on a home Internet Protocol TeleVision (IPTV) using a simple operation of the portable terminal. This is to provide the broadcast content. According to the present invention, a replica server receives and stores broadcast content from a broadcast server. The portable terminal receives the broadcast content from the duplication server and receives a request for transmission of the broadcast content to the IPTV during reproduction. The portable terminal transmits the broadcast content information of the broadcast content to the duplication server according to the request for transmission to the IPTV. The duplication server transmits the broadcast content corresponding to the received broadcast content information to the IPTV through a set top box (STB) to play the broadcast content.

Description

System and method for delivery broadcasting contents

The present invention relates to a broadcast content service, and more particularly, to provide broadcast content so that broadcast content being viewed on a portable terminal can be subsequently viewed on a home IPTV (Internet Protocol TeleVision) using a CDN (Content Delivery Network) service. A broadcast content providing system and method.

Information and communication technology using wired and wireless communication networks is growing very fast in a short period of time due to new technologies and functions that stimulate consumer purchasing. In particular, due to the development of the technology of the mobile terminal, beyond the step of performing a simple application, various applications are installed to meet the needs of users. As a result, the terminal user can use voice information, text information, image information, moving picture expert group (MP3), games, and the like through the mobile terminal, regardless of wherever he or she is moving or outdoors.

Recently, as a digital broadcasting reception function is added to a portable terminal, a terminal user can receive and watch broadcast contents such as digital broadcasting through the portable terminal. Currently, the digital broadcasting method that can be serviced can be largely divided into digital multimedia broadcasting (DMB) and digital video broadcasting (DVB). DMB can be further divided into terrestrial DMB (also called T-DMB) and satellite DMB.

However, when a user wants to watch broadcast content viewed on a mobile terminal through another medium, for example, IPTV, an IPTV user has an inconvenience in that the user needs to find the broadcast content by manipulating the IPTV. Also, in the case of broadcast content in which the broadcast content is broadcast in real time, the broadcast content portion broadcast during the time for searching for the broadcast content may not be viewed.

Accordingly, an object of the present invention is to enable broadcast content being viewed on a portable terminal using a CDN service to be viewed on a home IPTV by a simple operation of the portable terminal.

Another object of the present invention is to enable the user to subsequently watch the broadcast content being viewed on the portable terminal on the IPTV using the CDN service.

In order to achieve the above object, the present invention provides a broadcast content providing system comprising a broadcast server, a duplicate server, a portable terminal and an IPTV. The broadcast server provides broadcast content. The copy server receives and stores broadcast content from the broadcast server. The portable terminal receives a broadcast content from the copy server, receives a request for transmission of the broadcast content to the IPTV during playback, and transmits broadcast content information of the broadcast content to the copy server according to the request for transmission to the IPTV. The IPTV receives and reproduces the broadcast content corresponding to the broadcast content information from the copy server through a set top box.

The present invention also provides a duplication server of a broadcast content providing system including a network communication unit, a database unit, and a control unit. The network communication unit communicates with a broadcast server, a mobile terminal, and an IPTV through a network. The database unit stores the broadcast content received from the broadcast server. The control unit transmits the broadcast content according to a request of the mobile terminal, and receives broadcast content information of the broadcast content according to a request for transmission of the broadcast content to an IPTV from the mobile terminal, which is receiving and playing the broadcast content. The broadcast content corresponding to the received broadcast content information is transmitted to the IPTV through a set top box.

The present invention also provides a storing process of receiving and storing broadcast contents from a broadcast server, a replicating server transmitting a broadcast content to the portable terminal according to a request of the portable terminal, and the replicating server. A reception process of receiving broadcast content information of the broadcast content according to a request for transmission of the broadcast content to an IPTV from the portable terminal which is receiving and playing the broadcast content, and the duplication server corresponds to the received broadcast content information; Provided is a broadcast content providing method comprising a playback process of transmitting and playing broadcast content to the IPTV through a set-top box.

The present invention also provides a portable terminal of a broadcast content providing system including an input unit, a network communication unit, a display unit, and a control unit. The input unit receives a user's selection signal. The network communication unit communicates with the replication server via a network. The display unit receives and reproduces broadcast content from the copy server. The controller transmits the broadcast content information of the broadcast content to the copy server through the network communication unit when the request for transmission of the broadcast content to the IPTV is input through the input unit during the reproduction of the broadcast content. The broadcast content corresponding to the broadcast content information is transmitted to the IPTV through a set-top box for playback.

The present invention also provides an input process for receiving a request for transmission of the broadcast content to an IPTV during playback by receiving the broadcast content from a replication server storing the broadcast content received from the broadcast server, A reproduction process of transmitting broadcast content information of the broadcast content to the duplication server according to a transmission request to the IPTV, and allowing the duplication server to transmit and reproduce the broadcast content corresponding to the broadcast content information to the IPTV through a set-top box; It provides a broadcast content providing method comprising a.

The present invention also provides a set top box of a broadcast content providing system including a network communication unit, an IPTV connection unit, and a control unit. The network communication unit communicates with the replication server via a network. The IPTV connection unit transmits and receives data with the IPTV. The control unit receives the broadcast content from the copy server that receives the request for transmitting the broadcast content to the IPTV from a portable terminal that is playing the broadcast content received from the copy server, and transmits the received broadcast content to the IPTV. To play.

The present invention also provides a receiving process for receiving the broadcast content from the copy server that has received the request to transfer the broadcast content to the IPTV from the portable terminal that is playing the broadcast content received from the replica server, the set-top box is It provides a broadcast content providing method comprising a reproduction process for transmitting the received broadcast content to the IPTV for reproduction.

According to the structure of the present invention, a portable terminal provides broadcast content information of broadcast content currently being viewed to a copy server through a network by using a CDN service, and the copy server provides broadcast content corresponding to the broadcast content information to a set-top box ( By providing an IPTV through a Set Top Box (STB), the broadcast content being viewed on the portable terminal can be subsequently viewed through the IPTV by a simple operation of the portable terminal. As a result, it is possible to alleviate the inconvenience of having to find the corresponding broadcast content in order to watch the broadcast content that the user watches on the portable terminal through the IPTV. In addition, even if the broadcast content is broadcast content that is broadcast in real time, since the time for searching for the corresponding broadcast content can be minimized, the portion of the broadcast content that cannot be watched during the search for the corresponding broadcast content can be minimized.

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

In this case, the 'broadcast content information' includes related information on broadcast content reproduced in the portable terminal and location information of the set-top box to receive the broadcast content. The related information about the broadcast content may include channel information that broadcasts the broadcast content, and may further include current reproduction state information of the broadcast content. The location information of the set top box may be an IP address assigned to the set top box to receive broadcast content.

In the broadcast content providing system 100 according to the present embodiment, as shown in FIG. 1, the network 10, the broadcast server 20, the replication server 30, the portable terminal 40, and the set-top box 50 are provided. And IPTV 60. At this time, the broadcast server 20, the replication server 30, the portable terminal 40 and the set-top box 50 is connected via a network (10).

In particular, the broadcast content providing system 100 according to the present embodiment uses a CDN service method. In this case, the CDN refers to broadcast content concentrated on the broadcast server 20 of the broadcast content provider far from the clients (which means the mobile terminal 40, the set-top box 50, etc.), for example, pictures, banners, and videos. Alternatively, the broadcasting content having a large capacity such as audio or frequently requested by the clients is stored in advance in a replication server 30 which is widely distributed and distributed at a plurality of Internet Service Provider (ISP) Points of Interest (PoP). When the client requests, the service returns the path of the replication server 30 closest to the user so that the client can access the replication server 30 through the returned path and receive broadcast contents. Here, the replication server 30 is variously referred to as a host server, a cache server, or a ghost server.

The network 10 refers to a data communication network for data transmission and information exchange between the broadcast server 20, the replication server 30, the portable terminal 40, and the set top box 50. The network 10 is an IP network providing a large data transmission / reception service and a seamless data service through IP, and may be an ALL-IP network, which is an IP network structure integrating different networks based on IP. Alternatively, the network 10 may include an internet network connecting the broadcast server 20, the replication server 30, and the set-top box 50, and a mobile communication network connecting the replication server 30 and the mobile terminal 40. Can be.

The broadcast server 20 stores web pages and objects including broadcast content provided by broadcast content providers. The broadcast server 20 transmits, to the copy server 20, broadcast content having a relatively high frequency of requests or contents that are expected to be requested from a client.

The duplication server 30 stores the broadcast content received from the broadcast server 20, and stores a copy of the broadcast content stored and managed by the broadcast server 20. The duplicate server 30 quickly responds to a broadcast content request through the mobile terminal 40. That is, the duplication server 30 performs a function of transmitting the broadcast content requested from the mobile terminal 40 to the mobile terminal 40 or the IPTV 60, and transmits the advertisement content together with the broadcast content.

The portable terminal 40 is connected to the duplication server 30 through the network 10, and receives and plays broadcast content from the duplication server 30 through the connected network 10. The portable terminal 40 receives a request for transmission of the broadcast content to the IPTV 60 while the broadcast content is reproduced, and transmits the broadcast content information of the broadcast content to the copy server 30 according to the input request to the IPTV 60. . The portable terminal 40 according to the present embodiment is a communication terminal which can be connected to the duplication server 30 via the network 10 while being carried by the terminal user, and can receive and reproduce broadcast contents from the duplication server 30 connected thereto. , A digital communication receiver such as a mobile communication terminal, a notebook computer, a personal digital assistant (PDA), a portable multimedia player (PMP), a DMB, or a DVB.

The set top box 50 mediates the connection between the replication server 30 and the IPTV 60. The set-top box 50 receives the broadcast content from the copy server 30 and transmits the broadcast content to the IPTV 60 in response to a request for transmission of the broadcast content being played in the portable terminal 40 to the IPTV 60. At this time, the duplicate server 30 transmits the broadcast content to the set-top box 50 corresponding to the position information of the set-top box 50 included in the received broadcast content information.

In addition, the IPTV 60 is connected to the set top box 50 and receives and reproduces the broadcast content being played in the portable terminal 40 from the set top box 50. The IPTV 60 according to the present embodiment is a display device that is connected to the set-top box 50 to display and reproduce broadcast contents received. The IPTV 60 is a cathode ray tube (CRT), a liquid crystal display (LCD), or a plasma (PDP). Display Panel) includes a display device.

As described above, the content providing system 100 according to the present exemplary embodiment displays the broadcast content being viewed on the mobile terminal 40 through the IPTV 60 by a simple operation of the mobile terminal 40 without a separate operation on the IPTV 60. Subsequently, the broadcast contents are provided for viewing by the IPTV user.

The replication server 30 according to the present embodiment will be described in detail with reference to FIGS. 1 and 2 as follows. The replication server 30 includes a first network communication unit 37, a database unit 35, and a first control unit 31.

The first network communication unit 37 communicates with the broadcast server 20, the portable terminal 40, and the IPTV 60 via the network 10. The first network communication unit 37 receives a request for transmitting broadcast content from the mobile terminal 40 and a request for transmitting broadcast content to the IPTV 60, and transmits the broadcast content to the mobile terminal 40 or the IPTV 60. do.

The database unit 35 stores the broadcast content received from the broadcast server 20. The database unit 35 may store a program necessary for controlling the operation of the replication server 30 and data generated while executing the program. The database unit 35 stores an execution program for transmitting broadcast content. The broadcast content stored in the database unit 35 is broadcast content with a relatively high request frequency or content that a request is expected from a client.

In addition, the first controller 31 performs an overall control operation of the replication server 30. The first control unit 31 controls the transmission request of the broadcast content stored in the database unit 35 to the portable terminal 40 or the IPTV 60.

In particular, when the first control unit 31 receives a request for transmitting broadcast content from the mobile terminal 40 through the first network communication unit 37, the first control unit 31 receives the requested broadcast content through the first network communication unit 37. To send. When the first control unit 31 receives the broadcast content and receives a request for transmission of the broadcast content from the portable terminal 40 playing the IPTV 60 to the IPTV 60, the first control unit 31 transmits the broadcast content to the IPTV 60. In this case, the broadcast content transmitted from the first network communication unit 37 is transmitted to the IPTV 60 through the set top box 50. The mobile terminal 40 requesting the transmission of the broadcast content to the IPTV 60 transmits the broadcast content information of the broadcast content to the first network communication unit 37. The first controller 31 checks the location information of the set top box 50 included in the received broadcast content information and then transmits the requested broadcast content to the set top box 50.

The portable terminal 40 according to the present embodiment will be described in detail with reference to FIGS. 1 and 3 as follows. The portable terminal 40 includes a second control unit 41, an input unit 43, a second memory unit 45, a second network communication unit 47, a display unit 48, and a voice processing unit 49.

The second controller 41 performs an overall control operation of the mobile terminal 40. The second control unit 41 controls the transmission request of the corresponding broadcast content to the IPTV 60 while the broadcast content is being played.

The input unit 43 provides a plurality of keys for the operation of the portable terminal 40, and generates and transmits a selection signal according to the key selection of the terminal user to the second control unit 41. The terminal user requests the broadcast content through the input unit 43 and requests transmission of the broadcast content being viewed to the IPTV 60. In this case, the input unit 43 includes a transmission key 43a for receiving a request for transmission of broadcast content to the IPTV 60. The transmission key 43a may be installed in the portable terminal 40 separately from the existing key, or may be used by mapping a function of the transmission key 43a to at least one of the existing keys. The input unit 43 may be a keypad, a pointing device such as a touch pad, or an input device such as a touch screen.

The second memory unit 45 stores a program necessary for controlling the operation of the portable terminal 40 and data generated while the program is executed, and includes at least one volatile memory device and a nonvolatile memory device. The second memory unit 45 stores location information of the set-top box 50 included in the broadcast content information generated in response to a request for transmitting the corresponding broadcast content to the IPTV 60 during broadcast content reproduction. The second memory unit 45 reproduces the broadcast content and stores an execution program for processing a request for transmitting the broadcast content to the IPTV 60 during the broadcast content reproduction.

The second network communication unit 47 communicates with the replication server 30 via the network 10. The second network communication unit 47 requests and transmits the specific broadcast content to the copy server 30, and transmits broadcast content information to the copy server 30 for the request to transmit the broadcast content to the IPTV 60. do.

The display unit 48 displays information stored in the second memory unit 45 including various function menus executed in the portable terminal 40. The display unit 48 displays the received broadcast content under the control of the second control unit 41. As the display unit 48, an LCD or a touch screen may be used. The touch screen serves both as a display device and as an input device.

The voice processor 49 processes and outputs voice data of broadcast content reproduced under the control of the second controller 41.

In particular, when the second control unit 41 receives a request for transmission of the broadcast content to the IPTV 60 through the input unit 43 during broadcast content reproduction, the second control unit 41 copies the broadcast content information of the corresponding broadcast content through the second network communication unit 47. Transfer to server 30. At this time, the duplicate server 30 transmits the broadcast content corresponding to the broadcast content information to the set-top box 50, the set-top box 50 transmits the received broadcast content to the IPTV (60) to play.

On the other hand, if the terminal user is located in the home with the set-top box 50 and the IPTV 60, when the request for the transmission of the broadcast content to the IPTV 60 through the input unit 43, the second control unit 41 is IPTV The power can be supplied to 60 to turn on the screen. That is, the mobile terminal 40 may perform a function of a remote controller for adjusting the IPTV 60, and may further include a remote controller module unit for performing a remote controller function.

As described above, the terminal user can subsequently watch the broadcast content being viewed on the portable terminal 40 through the IPTV 60 by a simple operation such as selecting the dedicated key 43a provided in the portable terminal 40. In order to view the broadcast content viewed through the IPTV 60 through the IPTV 60, it is possible to minimize the inconvenience of the IPTV user having to find the corresponding broadcast content one by one.

The set top box 50 according to the present embodiment will be described with reference to FIGS. 1 and 4 as follows. The set top box 50 includes a third control unit 51, a third memory unit 53, a third network communication unit 57, and an IPTV connection unit 59.

The third controller 51 performs an overall control operation of the set top box 50. The third controller 51 controls playback of the broadcast content received by the broadcast server 20 through the IPTV 60.

The third memory unit 53 stores a program necessary for controlling the operation of the set top box 50 and data generated while the program is executed, and includes at least one volatile memory device and a nonvolatile memory device. The third memory unit 53 buffers the broadcast content received from the replication server 30 and stores an execution program for reproducing the buffered broadcast content through the IPTV 60.

The third network communication unit 57 performs data communication with the copy server 30 through the network 10, and receives broadcast content from the copy server 30. The third network communication unit 57 receives the broadcast content received from the copy server 30 in response to a request for transmission of the broadcast content being played in the portable terminal 40 to the IPTV 60. In this case, the replication server 30 may transmit the advertisement content together with the broadcast content.

The IPTV connection unit 59 connects the set top box 50 and the IPTV 60, and receives the broadcast content being played in the portable terminal 40 and transmits the broadcast content to the IPTV 60.

In particular, when the third controller 51 receives the broadcast content from the copy server 30 through the third network communication unit 47 in response to a request for transmission of the broadcast content being played by the portable terminal 40 to the IPTV 60, It is determined whether the power of the IPTV 60 is turned on. As a result of the determination, when the power of the IPTV 60 is turned off, the third control unit 51 turns on the power of the IPTV 60 through the IPTV connection unit 49 and then transfers the received broadcast content to the IPTV 60. Play by sending.

However, as a result of the determination, when the power of the IPTV 60 is turned on, the third controller 51 may convert and display the broadcast content currently being played through the IPTV 60 into the received broadcast content. Alternatively, the third controller 51 may display a channel switching confirmation message window on the IPTV 60, and continuously display the currently playing content or switch to the received broadcast content according to the request of the IPTV user.

When displaying the broadcast content received through the IPTV 60, the third control unit 51 displays the advertisement content at least one time before the broadcast content is played, at the middle of the play or after the play is finished. ) Can be displayed.

The broadcast content providing method of the broadcast content providing system 100 according to the present exemplary embodiment will be described with reference to FIGS. 1 to 5 as follows. 5 is a flowchart illustrating a broadcast content providing method according to an embodiment of the present invention.

First, in step S61, the broadcast server 20 transmits specific broadcast content to the copy server 30, and in step S63, the copy server 30 stores the received broadcast content. In this case, the specific broadcast content transmitted to the copy server 23 may be a broadcast content having a relatively high request frequency or broadcast content expected from a client among the broadcast content stored in the broadcast server 20.

Next, in step S71, the portable terminal 40 requests broadcast content to be viewed by the duplication server 30 through the network 10 according to the selection signal of the terminal user. In step S73, the replication server 30 transmits the requested broadcast content to the mobile terminal 40 through the network 10. In operation S75, the mobile terminal 40 plays the received broadcast content and displays it on the display unit 48.

Next, in step S77, the portable terminal 40 determines whether a transmission request from the terminal user to the IPTV 60 of the currently viewed broadcast content is input. That is, it is determined whether the transmission key 43a of the portable terminal 40 is selected. For example, the terminal user may select the private key 43a when the user wants to watch the broadcast content being watched on the large screen such as the IPTV 60 by moving the broadcast content that is being watched through the portable terminal 40 outside the home. Alternatively, the selection of the dedicated key 43a may be made to the terminal user in order to allow the IPTV user of the home to watch the broadcast content being watched through the portable terminal 40 outside the home without a separate operation.

If the determination result of step S77 is not input, the mobile terminal 40 performs step S75.

When the request for transmission to the IPTV 60 is input as a result of the determination in step S77, in step S79, the portable terminal 40 transmits the broadcast content information to request the transmission of the broadcast content to the IPTV 60 to the copy server 30. send. In this case, the broadcast content information includes channel information of the broadcast content and position information of the set-top box 50 to receive the broadcast content.

On the other hand, when the dedicated key 43a is selected, the portable terminal 40 may continue to receive and play the broadcast content from the copy server 30, or may request the copy server 30 to stop transmitting the broadcast content. When requesting to stop transmission of the corresponding broadcast content, the mobile terminal 40 may switch from the broadcast reception state to the standby state.

Next, in step S81, the replication server 30 transmits the broadcast content to the set-top box 50 included in the received broadcast content information. In step S83, the set-top box 50 transmits the received broadcast content to the IPTV (60). In operation S85, the IPTV 60 reproduces and displays the received broadcast content. In this case, the IPTV user may subsequently watch the broadcast content being viewed on the mobile terminal 40 through the IPTV 60.

Meanwhile, in step S81, the replication server 30 may transmit the advertisement content together when transmitting the broadcast content to the set top box 50. The set-top box 50 may transmit and display the advertisement content to the IPTV 60 at least one time before the broadcast content is played, midway to play, or after the play is finished.

On the other hand, the embodiments of the present invention disclosed in the specification and drawings are merely presented specific examples to aid understanding, and are not intended to limit the scope of the present invention. In addition to the embodiments disclosed herein, it is apparent to those skilled in the art that other modifications based on the technical idea of the present invention may be implemented.

The present invention relates to a broadcast content providing system and method using a CDN service, wherein a portable terminal provides broadcast content information on broadcast content being played to a copy server through a network, and the copy server broadcasts corresponding to the broadcast content information. By providing the content to the IPTV through the set-top box, the broadcast content being viewed on the portable terminal can be subsequently viewed through the IPTV by a simple operation of the portable terminal, so that the broadcast content being viewed on the portable terminal can be viewed through the IPTV. The inconvenience of having to find the contents one by one can be eliminated.

1 is a block diagram illustrating a broadcast content providing system according to an exemplary embodiment of the present invention.

2 is a block diagram illustrating a configuration of a replication server of FIG. 1.

3 is a block diagram illustrating a configuration of the portable terminal of FIG. 1.

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

5 is a flowchart illustrating a broadcast content providing method according to an embodiment of the present invention.

Description of the Related Art [0002]

10: network 20: broadcast server

30: replica server 31: first control unit

35: database unit 37: first network communication unit

40: mobile terminal 41: second control unit

43: input unit 43a: transmission key

45: second memory unit 47: second network communication unit

48: display unit 49: voice processing unit

50: set-top box 51: third control unit

55: third memory unit 57: third network communication unit

60: IPTV 100: broadcasting content providing system

Claims (16)

A broadcast server providing broadcast content; A duplication server for receiving and storing broadcast content from the broadcast server; A mobile terminal which receives a broadcast content from the copy server and receives a request for transmission of the broadcast content to an IPTV during playback, and transmits broadcast content information of the broadcast content to the copy server according to the request for transmission to the IPTV; And the IPTV for receiving and reproducing the broadcast content corresponding to the broadcast content information from the copy server through a set-top box. The method of claim 1, The IPTV broadcast content providing system, characterized in that for receiving and playing the advertising content with the broadcast content from the copy server through the set-top box. A network communication unit for communicating with a broadcast server, a mobile terminal, and an IPTV through a network; A database unit for storing broadcast content received from the broadcast server; Transmitting the broadcast content according to the request of the mobile terminal, receiving broadcast content information of the broadcast content according to a request for transmission of the broadcast content to the IPTV from the portable terminal which is receiving and playing the broadcast content, and receiving the received And a control unit which transmits the broadcast content corresponding to broadcast content information to the IPTV through a set-top box. The method of claim 3, The broadcast content received from the broadcast server is a copy server of a broadcast content providing system, characterized in that the request frequency is relatively high or the request is expected compared to other broadcast content. The method of claim 4, wherein the broadcast content information, And the channel information of the broadcast content and the location information of the set-top box. The method of claim 5, wherein the control unit, And replicating the broadcast content providing system after checking the location information of the set top box and transmitting the broadcast content to the set top box. The replicating server may further include: a storing process of receiving and storing broadcast content from the broadcast server; The duplication server transmitting the broadcast content to the mobile terminal according to a request of the mobile terminal; Receiving, by the copy server, broadcast content information of the broadcast content according to a request for transmission of the broadcast content to an IPTV from the portable terminal which receives and reproduces the broadcast content; And the reproduction server reproduces the broadcast content corresponding to the received broadcast content information by transmitting the broadcast content to the IPTV through a set-top box. An input unit configured to receive a user selection signal; A network communication unit for communicating with the replication server via a network; A display unit for receiving and playing broadcast contents from the copy server; If a request for transmission of the broadcast content to the IPTV is input through the input unit while playing the broadcast content, the broadcast content information of the broadcast content is transmitted to the copy server through the network communication unit, and the copy server transmits the broadcast content information to the broadcast content information. And a control unit for transmitting the broadcast content to the IPTV through a set-top box and playing the broadcast content. The method of claim 8, And the input unit comprises a transmission key for requesting transmission of the broadcast content to IPTV. 10. The method according to claim 8 or 9, When the request for transmission of the broadcast content to the IPTV is input through the input unit, the controller supplies power to the IPTV to turn on the screen. The portable terminal may further include: an input process of receiving the broadcast content from a copy server storing the broadcast content received from the broadcast server and receiving a request for transmission of the broadcast content to the IPTV during playback; The portable terminal transmits the broadcast content information of the broadcast content to the duplication server according to the request for transmission to the IPTV, and the duplication server transmits the broadcast content corresponding to the broadcast content information to the IPTV through a set-top box. A broadcast content providing method comprising a; playback process to play. A network communication unit for communicating with the replication server via a network; An IPTV connection unit for transmitting and receiving data with the IPTV; Receiving the broadcast content from the copy server that has received the request for transmission of the broadcast content to the IPTV from the portable terminal which is playing the broadcast content received from the copy server, and transmitting the received broadcast content to the IPTV for playback. Set-top box of a broadcast content providing system comprising a control unit. A reception step of receiving, by the set-top box, the broadcast content from the copy server that receives a request for transmission of the broadcast content to the IPTV from a portable terminal that is playing the broadcast content received from the copy server; And a playback process of the set-top box transmitting the received broadcast content to the IPTV and playing the broadcast content. The method of claim 13, wherein in the receiving process, The set-top box is a broadcast content providing method characterized in that for receiving the advertising content with the broadcast content from the copy server. The method of claim 14, wherein in the regeneration process, The set-top box is broadcast content providing method characterized in that the transmission to the IPTV to play the advertising content to be played at least at one point before the broadcast content, the middle of the playback or after the end of the playback. The method according to any one of claims 13 to 15, wherein the regeneration process is Receiving, by the set top box, whether the IPTV is powered on; If the determination result is turned off, the set-top box turning on the power of the IPTV and transmitting the received broadcast content to the IPTV for playback; If the determination result is turned on, the set-top box further comprises the step of transmitting the received broadcast content to the IPTV; broadcast content providing method further comprising.

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