KR20220091423A - System and method for terrestrial uhd broadcaster application re-transmission - Google Patents

Abstract

Disclosed are a system and method for transmitting a terrestrial Ultra High Definition (UHD) application. A system for providing a terrestrial UHD application service, connected to a plurality of pay broadcasting set-top boxes, converting a terrestrial UHD application received from a terrestrial UHD broadcasting server according to a pay broadcasting platform standard, and transmitting it to the plurality of pay broadcasting set-top boxes A pay-TV set-top box that executes the terrestrial UHD application received from the pay-TV head-end device in response to a request from a broadcast head-end device and the pay-broadcast head-end device, and executes a cloud application from among the plurality of pay broadcast set-top boxes and a cloud application server that transmits the execution screen of the terrestrial UHD application to the user.

Description

Terrestrial UHD broadcasting broadcaster application retransmission system and method

The present invention relates to a terrestrial Ultra High Definition (UHD) broadcast broadcaster application retransmission system and method therefor.

With the development of digital technology and communication technology, the supply and demand for audio/video-centered multimedia contents are rapidly expanding in various fields such as broadcasting and movies as well as the Internet and personal media. Furthermore, consumer demand for immersive media that provides a three-dimensional effect through broadcasting and movies is increasing.

In addition, as TV screens at home become larger with the development of display technology, consumption to enjoy realistic content in high definition (HD) level or higher is increasing. In addition to 3DTV, realistic broadcasting such as UHDTV (Ultra High Definition TV) is attracting attention as a next-generation broadcasting service, and in particular, discussion about UHD (Ultra High Definition) broadcasting service is increasing.

The Advanced Television System Committee (ATSC) is developing a broadcasting technology standard under the name of ATSC 3.0, a terrestrial UHD broadcasting transmission standard, for IP (Internet Protocol)-based next-generation terrestrial broadcasting service.

Terrestrial broadcasters broadcast live last year's Pyeongchang Winter Olympics and Russia World Cup through UHD broadcasting, and are working to provide more UHD broadcasting contents.

Terrestrial UHD broadcasting is a platform that not only provides ultra-high-definition video and three-dimensional sound content, but also provides interactive additional services using the Internet network. A representative additional service is TIVIVA provided by a terrestrial broadcaster, and services such as real-time broadcasting and UHD content replay are available through the Internet network.

A terrestrial UHD broadcaster provides a web application-type terrestrial UHD application to a UHD broadcast receiving terminal to provide various additional services using the Internet network. However, the terminal using the service of a pay broadcaster cannot receive the terrestrial UHD application.

The task to be solved is a terrestrial UHD broadcast broadcaster application retransmission system that extracts terrestrial UHD application information from a terrestrial UHD broadcasting signal and provides it to a pay-TV set-top box, so that terrestrial UHD broadcasting applications can also be used in a pay-TV set-top box. and to provide a method therefor.

According to one feature, as a system for providing a terrestrial UHD (Ultra High Definition) broadcaster application service, it receives a broadcaster application for a terrestrial UHD application service from a terrestrial UHD broadcasting server, and sends it to a connected pay-TV set-top box. A pay broadcasting headend device that executes a cloud application, and a pay broadcast that executes the broadcaster application received from the pay broadcasting headend device according to a request of the pay broadcast headend device, and executes the cloud application and a cloud application server that transmits the execution screen of the broadcaster application to the set-top box.

The pay broadcasting headend device may receive an Application Signaling Table (AST) and a broadcaster application file from the terrestrial UHD broadcasting server, upload the application file to the cloud application server, and request transmission of cloud application execution information.

The pay broadcasting headend device may extract Service Level Signaling (SLS) from the terrestrial UHD broadcasting signal received from the terrestrial UHD broadcasting server, and extract the AST from the SLS.

The pay broadcasting headend device acquires a Service based Transport Session Instance Description (S-TSID) from the terrestrial UHD broadcasting signal received from the terrestrial UHD broadcasting server, and based on the acquired S-TSID, the terrestrial UHD broadcasting signal You can check whether the broadcaster application file is included.

The pay broadcast headend device is connected to a plurality of pay broadcast set-top boxes, and executes the cloud application to a first pay broadcast set-top box having a terminal environment in which the broadcaster application cannot be executed among the plurality of pay broadcast set-top boxes can do it

The system may further include a broadcaster application server that transmits an additional broadcaster application file for the terrestrial UHD application service to the cloud application server according to the request of the cloud application server.

The pay-broadcasting headend device sends a terrestrial UHD application file and an AST (Application Signaling Table) received from the terrestrial UHD broadcasting server to a second pay-TV set-top box capable of executing the terrestrial UHD application among the plurality of pay-TV set-top boxes. can be converted and transmitted according to the pay broadcasting platform standard.

The system may further include a broadcaster application server that transmits an additional broadcaster application file for a terrestrial UHD application service to the second pay-TV set-top box in response to a request of the second pay-TV set-top box.

The broadcaster application may include a HyperText Markup Language (HTML)5 document, Cascading Style Sheets (CSS), Javascript, an image, and a multimedia resource file.

According to another feature, there is provided a method of transmitting a terrestrial Ultra High Definition (UHD) application of a pay broadcasting headend device, the method comprising: receiving a broadcaster application for a terrestrial UHD application service from a terrestrial UHD broadcasting server; a cloud application; uploading the broadcaster application file to a server, and transmitting cloud application execution information to a connected pay-TV set-top box, wherein the cloud application execution information causes the pay-broadcast set-top box to execute a cloud application to connect to the cloud application server and instruct to receive the execution screen of the broadcaster application from the cloud application server.

In the receiving step, extracting an AST (Application Signaling Table) and a broadcaster application file from the terrestrial UHD broadcast signal received from the terrestrial UHD broadcast server, and the requesting step, the broadcaster application file according to the AST It can be prepared to run on a cloud application server.

The receiving may include: extracting LLS (Low Level Signaling) from the terrestrial UHD broadcasting signal; extracting SLS (Service Level Signaling) from the LLS; Session Instance Description), and extracting a broadcaster application file from the terrestrial UHD broadcasting signal by analyzing the S-TSID, wherein the requesting includes transferring the broadcaster application file to the cloud It may request to execute the broadcaster application file according to the AST while transmitting to the application server.

According to an embodiment, a service using a terrestrial UHD application may be used in the set-top box of a pay broadcasting service provider in the same manner as terrestrial UHD TV.

1 is a block diagram of an entire system for providing a terrestrial UHD application service in a pay broadcasting platform according to an embodiment.
2 is a flowchart illustrating a procedure for transmitting a terrestrial UHD application to a terrestrial UHD TV according to an embodiment.
3 is a flowchart illustrating a procedure for transmitting a terrestrial UHD application to a pay-TV set-top box according to an embodiment.
4 is a block diagram illustrating a configuration of transmitting a terrestrial UHD application in a pay broadcast service according to an embodiment.
FIG. 5 is a block diagram illustrating a detailed configuration of the broadcaster application information extraction unit of FIG. 4 .
6 is a flowchart illustrating a procedure for transmitting a terrestrial UHD application to a pay-TV set-top box according to another embodiment.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those of ordinary skill in the art can easily carry out the present invention. However, the present invention may be embodied in various different forms and is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part "includes" a certain element, it means that other elements may be further included, rather than excluding other elements, unless otherwise stated.

In addition, terms such as “…unit”, “…group”, “…module”, etc. described in the specification mean a unit that processes at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software. can

The devices described in the present invention are composed of hardware including at least one processor, a memory device, a communication device, and the like, and a program to be executed in combination with the hardware is stored in a designated place. The hardware has the configuration and capability to implement the method of the present invention. The program includes instructions for implementing the method of operation of the present invention described with reference to the drawings, and is combined with hardware such as a processor and a memory device to execute the present invention.

As used herein, "transmission or provision" may include not only direct transmission or provision, but also transmission or provision indirectly through another device or using a detour path.

In this specification, expressions described in the singular may be construed in the singular or plural unless an explicit expression such as “a” or “single” is used.

In this specification, regardless of the drawings, the same reference numbers refer to the same components, and "and/or" includes each and every combination of one or more of the referenced components.

In this specification, terms including an ordinal number such as first, second, etc. may be used to describe various elements, but the elements are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present disclosure, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component.

In the flowchart described with reference to the drawings in this specification, the order of operations may be changed, several operations may be merged, some operations may be divided, and specific operations may not be performed.

1 is a block diagram of an entire system for providing a terrestrial UHD application service in a pay broadcasting platform according to an embodiment.

Referring to FIG. 1 , a terrestrial UHD carrier signal transmitted by a terrestrial UHD broadcasting server 100 is connected to a terrestrial UHD TV 200 and a pay broadcasting headend device 300 .

The terrestrial UHD TV 200 is connected to a broadcaster application server 400 .

The pay broadcasting headend device 300 is connected to the pay broadcasting set-top box 500 and the cloud application server 600 .

The pay-TV set-top box 500 is connected to the cloud application server 600 . The cloud application server 600 is connected to the broadcaster application server 400 .

The terrestrial UHD broadcasting server 100 may transmit an Advanced Television Systems Committee (ATSC) 3.0 terrestrial UHD broadcasting signal. The terrestrial UHD broadcasting server 100 may be a system that is located in a broadcasting station main control room and transmits UHD broadcasting signals.

The terrestrial UHD broadcasting server 100 transmits a terrestrial UHD application to the terrestrial UHD TV 200 . For convenience of explanation, one terrestrial UHD TV 200 is illustrated, but it is obvious that it is actually connected to a plurality of terrestrial UHD TVs 200 .

In this case, the terrestrial UHD application is a web application and may be referred to as a broadcaster application in the present specification. The broadcaster application may be a web application based on HyperText Markup Language (HTML)5.

The broadcaster application operates on a browser application environment built into the terrestrial UHD TV 200 . The broadcaster application displays a web page corresponding to a URL (Uniform Resource Locator) address received through a broadcasting network and a broadband network. In addition, the broadcaster application may provide an API (Application Programming Interface) capable of inquiring information about a websocket capable of controlling a channel and volume of a TV or communicating with a mobile device.

The terrestrial UHD broadcasting server 100 includes an AST (Application Signaling Table) including application start information and an application start file in the terrestrial UHD broadcasting signal to execute an application on the terrestrial UHD TV 200 in terrestrial UHD broadcasting. can

Here, the AST includes application signaling information and may be in an XML (Extensible Markup Language) format. The AST includes information provided to inform the time when the broadcaster application is executed and essential information required when the broadcaster application is executed.

AST is terrestrial UHD IBB (Integrated Broadcast Broadband) service (TTAK.KO-07.0128/R3) standard 6 part 2. It follows the standard defined in application signaling and can be transmitted through a broadcast network and a broadband network.

The pay broadcasting headend device 300 receives the terrestrial UHD broadcasting signal transmitted by the terrestrial UHD broadcasting server 100, converts the received terrestrial UHD broadcasting signal to conform to the pay broadcasting platform standard, and then converts the converted terrestrial UHD broadcasting signal. is transmitted to the pay-TV set-top box (500). Here, the pay broadcasting platform standard may include Internet Protocol Television (IPTV), cable TV, satellite broadcasting, and the like.

When a selection signal for a predetermined broadcasting channel among a plurality of pay broadcasting channels is received from the pay broadcasting set-top box 500, the pay broadcasting headend device 300 transmits the broadcasting content of the broadcasting channel corresponding to the selection to the pay broadcasting set-top box ( 500) is sent. For convenience of explanation, one pay-TV set-top box 500 is illustrated, but it is obvious that it is actually connected to a plurality of pay-TV set-top boxes 500 .

When the broadcaster application is included in the terrestrial UHD broadcast signal received from the terrestrial UHD broadcast server 100 , the pay broadcast headend device 300 performs a procedure for transmitting the broadcaster application to the pay broadcast set-top box 500 . and this will be described later with reference to FIGS. 3 to 6 .

In this case, according to the embodiment of FIG. 3 , the pay broadcasting headend device 300 may transmit a terrestrial UHD broadcasting signal including a broadcaster application to the pay broadcasting set-top box 501 capable of executing a web application.

In addition, according to the embodiment of FIGS. 4 to 6 , the pay broadcasting headend device 300 executes the cloud application to the pay broadcasting set-top box 502 that cannot run the web application, and the cloud application A terrestrial UHD broadcaster application is used through the cloud application server 600 .

The pay-TV headend device 300 is connected to the pay-TV set-top box 501 to simultaneously perform the embodiment of FIG. 3 and the embodiment of FIGS. 4 to 6 .

The broadcaster application server 400 provides a broadcaster application service by interworking with the terrestrial UHD TV 200 or the cloud application server 600 on which the broadcaster application is executed.

The cloud application server 600 virtualizes and executes the service execution function of the pay broadcast set-top box 500 and transmits the execution result screen as a video or image to the pay broadcast set-top box 500 . In this case, the cloud application server 600 may execute the broadcaster application received from the pay broadcasting headend device 300 and transmit the execution screen to the pay broadcasting set-top box 500 .

2 is a flowchart illustrating a procedure for transmitting a terrestrial UHD application to a terrestrial UHD TV according to an embodiment.

Referring to FIG. 2 , the terrestrial UHD broadcasting server 100 transmits a terrestrial UHD broadcasting signal including an Application Signaling Table (AST) and a broadcaster application file to the terrestrial UHD TV 200 (S101).

If AST is included in the terrestrial UHD broadcasting signal, the terrestrial UHD TV 200 executes a broadcaster application using the AST (S102). Here, the broadcaster application file may include an HTML5 document, and Cascading Style Sheets (CSS), Javascript, image, and multimedia resource files. The broadcaster application file is defined so that a user can use the broadcaster application by executing a web application written in HTML5 on the terrestrial UHD TV 200 .

After the terrestrial UHD TV 200 executes the broadcaster application (S102), if there is an additionally required file, it accesses the broadcaster application server 400 to download and execute the additional broadcaster application file (S103). Additional broadcaster application files may also include HTML5 documents, and CSS, JavaScript, image and multimedia resource files.

3 is a block diagram illustrating a configuration of transmitting a terrestrial UHD application to a pay-TV set-top box according to an embodiment.

In this case, the operation of the component performing a function similar to that of FIG. 2 will be briefly described.

Referring to FIG. 3 , the terrestrial UHD broadcasting server 100 transmits a terrestrial UHD broadcasting signal including an AST and a broadcaster application file to the pay broadcasting headend device 300 ( S201 ).

The pay broadcasting headend device 300 converts a terrestrial UHD broadcasting signal including an AST and a broadcaster application file into a pay broadcasting platform format (S202).

The pay broadcasting headend device 300 transmits the terrestrial UHD broadcasting signal converted in S202 to the pay broadcasting set-top box 501 (S203). That is, in S203 , the AST and broadcaster application files are converted into a pay broadcasting platform format, and pay broadcasting application execution information and application files are transmitted to the pay broadcasting set-top box 500 .

The pay broadcast set-top box 501 executes a broadcaster application using the pay broadcast application execution information and the application file received in S203 (S204).

After the pay broadcast set-top box 501 executes the broadcaster application (S204), if there is an additionally required file, it connects to the broadcaster application server 400 to download and execute the additional broadcaster application file (S205).

On the other hand, among the pay-TV set-top boxes 500, there is also a pay-TV set-top box 502 that cannot run an HTML5 web application. Therefore, in order to run the HTML5 web-based broadcaster application in the entire pay-TV set-top box 500, the cloud application server 600 must be used. This will be described as shown in FIGS. 4 to 6 .

4 is a block diagram illustrating a configuration of transmitting a terrestrial UHD application in a pay broadcast service according to an embodiment.

Referring to FIG. 4 , the pay broadcast headend device 300 may include a broadcaster application information extractor 310 and a pay broadcast transmitter 320 .

The broadcaster application information extraction unit 310 receives a terrestrial UHD broadcasting signal from the terrestrial UHD broadcasting server 100 .

If the AST is included in the received terrestrial UHD broadcast signal, the broadcaster application information extraction unit 310 analyzes the AST to obtain broadcast application execution information and Extract the broadcaster application file.

The broadcast application information extraction unit 310 transmits the extracted application file to the cloud application server 600 to enable the cloud application server 600 to execute the broadcast application.

The broadcast application information extraction unit 310 transmits the extracted application execution information to the pay broadcast transmission unit 320 .

The pay broadcast transmitting unit 320 changes the broadcast application execution information received from the broadcast application information extracting unit 310 into cloud application execution information, generates cloud application execution information according to the pay broadcasting platform standard, and converts it to the pay broadcast set-top to box 502 .

The pay broadcast set-top box 502 executes a cloud application using the cloud application execution information received from the pay broadcast transmitter 320 and accesses the cloud application server 600 .

The pay-TV set-top box 502 works with the cloud application server 600 to share key input information and screen resources of a broadcaster application file. The pay-TV set-top box 502 transmits key input information to the cloud application server 600, receives an execution screen of a broadcaster application file corresponding to the key input information from the cloud application server 600, and outputs it to the connected TV screen can do. In this way, even if the pay-TV set-top box 502 cannot directly execute the broadcaster application in the set-top box, it can interwork with the cloud application server 600 to receive and output the broadcaster application screen executed in the cloud application server 600. have.

After the cloud application server 600 executes the broadcaster application, if there is an additionally required file, it accesses the broadcaster application server 400 to download and execute the additional broadcaster application file. The execution screen of the additional broadcaster application file is transmitted to the pay-TV set-top box 502 by the cloud application server 600 .

FIG. 5 is a block diagram illustrating a detailed configuration of the broadcaster application information extraction unit of FIG. 4 .

Referring to FIG. 5 , the broadcaster application information extraction unit 310 includes a UHD broadcast signal receiving unit 311 , an LLS (Low Level Signaling) extraction unit 312 , an SLS (Service Level Signaling) extraction unit 313 , and an AST extraction unit. Unit 314, cloud application execution information interworking unit 315, S-TSID (Service based Transport Session Instance Description) extraction unit 316, broadcaster application file extraction unit 317, and broadcaster application file interworking unit 318 ) is included.

The UHD broadcast signal receiver 311 receives a terrestrial UHD broadcast signal from the terrestrial UHD broadcast server 100 , and transmits the received terrestrial UHD broadcast signal to the LLS extractor 312 .

The LLS extraction unit 312 extracts the LLS from the terrestrial UHD broadcasting signal to confirm the terrestrial UHD broadcasting service.

The SLS extraction unit 313 extracts the SLS from the LLS received through the LLS extraction unit 312 .

The AST extraction unit 314 extracts the AST from the SLS received from the SLS extraction unit 313 .

When the AST extraction unit 314 extracts the AST, the cloud application execution information interworking unit 315 converts the terrestrial broadcast application execution information into pay-TV cloud application execution information because the broadcaster application service is included in the terrestrial UHD broadcasting signal. After conversion, a request is made to transmit the cloud application execution information to the pay broadcast transmitting unit 220 .

The S-TSID extraction unit 316 extracts the S-TSID from the SLS, analyzes the S-TSID, and checks whether the broadcaster application file is transmitted. That is, it is checked whether the broadcaster application file is included in the terrestrial UHD broadcasting signal.

When it is confirmed from the S-TSID extraction unit 316 that the broadcaster application file is included in the terrestrial UHD broadcasting signal, the broadcaster application file extraction unit 317 extracts the broadcaster application file from the terrestrial UHD broadcasting signal.

The broadcaster application file interworking unit 318 transmits the broadcaster application file extracted by the broadcaster application file extraction unit 317 to the cloud application server 600 .

The cloud application server 600 prepares to execute the broadcast application file received from the broadcaster application file interworking unit 318 .

The pay broadcast transmitter 220 transmits cloud application execution information to the pay broadcast set-top box 502 . After receiving the cloud application execution information from the pay-TV set-top box 502, the cloud application is executed. The cloud application executed in the pay broadcast set-top box 502 may use the broadcaster application by executing the broadcast application in the cloud application server 600 using execution information.

6 is a flowchart illustrating a procedure for transmitting a terrestrial UHD application to a pay-TV set-top box according to another embodiment.

Referring to FIG. 6 , the broadcaster application information extraction unit 210 receives a terrestrial UHD broadcasting signal from the terrestrial UHD broadcasting server 100 ( S301 ).

The broadcaster application information extraction unit 210 extracts AST information and a broadcaster application file from the terrestrial UHD broadcasting signal (S302).

The broadcaster application information extraction unit 210 prepares to execute the broadcast application by uploading the broadcast application file and execution setting information extracted in S302 to the cloud application server 600 (S303). At this time, the cloud application server 600 transmits the broadcaster application execution preparation information to the broadcaster application information extraction unit 210 (S304).

The broadcaster application information extraction unit 210 changes the broadcast application execution information to the cloud application execution information of the pay broadcaster and requests the pay broadcast transmitting unit 200 to transmit the cloud application execution information (S305).

The pay broadcast transmitter 220 transmits the cloud application execution information to the pay broadcast set-top box 502 (S306).

The pay-TV set-top box 502 executes the cloud application according to the cloud application execution information of S306 (S307) and accesses the cloud application server 600 (S308).

The cloud application server 600 executes and interworks with the broadcaster application according to the cloud application request of the pay-TV set-top box 502 (S309).

The pay-TV set-top box 502 transmits key input information according to a user's operation to the cloud application server 600 (S310).

The cloud application server 600 transmits the cloud application execution screen resource according to the key input information to the pay-TV set-top box 502 (S311).

As such, the cloud application execution information instructs the pay broadcast set-top box 502 to execute the cloud application to connect to the cloud application server 500 and to receive the execution screen of the broadcaster application from the cloud application server 500 may contain information.

After the cloud application server 600 executes the broadcaster application, if there is an additionally required file, it accesses the broadcaster application server 400 to download and execute the additional broadcaster application file (S312).

The cloud application server 600 transmits the execution screen resource of the additional broadcaster application file to the pay-TV set-top box 502 (S313).

The embodiment of the present invention described above is not implemented only through the apparatus and method, and may be implemented through a program for realizing a function corresponding to the configuration of the embodiment of the present invention or a recording medium in which the program is recorded.

Although the 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 by those skilled in the art using the basic concept of the present invention as defined in the following claims are also provided. is within the scope of the right.

Claims (12)

A system that provides a terrestrial UHD (Ultra High Definition) broadcaster application service, comprising:
A pay broadcasting headend device that receives a broadcaster application for a terrestrial UHD application service from a terrestrial UHD broadcasting server and executes a cloud application to a connected pay broadcasting set-top box; and
A cloud application for executing the broadcaster application received from the pay-TV headend device in response to a request from the pay-broadcasting headend device, and transmitting an execution screen of the broadcaster application to a pay-broadcasting set-top box that has executed the cloud application server
A system comprising In claim 1,
The pay-TV headend device,
A system for receiving an AST (Application Signaling Table) and a broadcaster application file from the terrestrial UHD broadcasting server, uploading the application file to a cloud application server, and requesting transmission of cloud application execution information. In claim 2,
The pay-TV headend device,
A system for extracting Service Level Signaling (SLS) from the terrestrial UHD broadcasting signal received from the terrestrial UHD broadcasting server and extracting the AST from the SLS. In claim 1,
The pay-TV headend device,
S-TSID (Service based Transport Session Instance Description) is obtained from the terrestrial UHD broadcasting signal received from the terrestrial UHD broadcasting server, and whether a broadcaster application file is included in the terrestrial UHD broadcasting signal based on the acquired S-TSID to check, the system. In claim 1,
The pay-TV headend device,
A system connected to a plurality of pay broadcasting set-top boxes and executing the cloud application to a first pay broadcasting set-top box having a terminal environment in which the broadcaster application cannot be executed among the plurality of pay broadcasting set-top boxes. In claim 1,
A broadcaster application server that transmits an additional broadcaster application file for a terrestrial UHD application service to the cloud application server according to the request of the cloud application server
Further comprising, the system. In claim 1,
The pay-TV headend device,
Converts the terrestrial UHD application file and AST (Application Signaling Table) received from the terrestrial UHD broadcasting server to a second pay broadcasting set-top box capable of executing the terrestrial UHD application among the plurality of pay broadcasting set-top boxes in accordance with the pay broadcasting platform standard. to transmit, the system. In claim 7,
A broadcaster application server that transmits an additional broadcaster application file for a terrestrial UHD application service to the second pay-TV set-top box in response to a request of the second pay-TV set-top box
Further comprising, the system. In claim 1,
The broadcaster application,
A system, including HyperText Markup Language (HTML)5 documents, Cascading Style Sheets (CSS), Javascript, images, and multimedia resource files. A method of transmitting a terrestrial Ultra High Definition (UHD) application of a pay broadcasting headend device, the method comprising:
Receiving a broadcaster application for a terrestrial UHD application service from a terrestrial UHD broadcasting server,
uploading the broadcaster application file to a cloud application server, and
Comprising the step of transmitting the cloud application execution information to the connected pay broadcasting set-top box,
The cloud application execution information,
Instructing the pay broadcast set-top box to connect to the cloud application server by executing a cloud application, and to receive an execution screen of the broadcaster application from the cloud application server. In claim 10,
The receiving step is
extracting an AST (Application Signaling Table) and a broadcaster application file from the terrestrial UHD broadcasting signal received from the terrestrial UHD broadcasting server;
The requesting step is
preparing the broadcaster application file for execution on a cloud application server according to the AST. In claim 11,
The receiving step is
extracting LLS (Low Level Signaling) from the terrestrial UHD broadcasting signal;
extracting Service Level Signaling (SLS) from the LLS;
Extracting the AST and S-TSID (Service based Transport Session Instance Description) from the SLS, respectively, and
extracting a broadcaster application file from the terrestrial UHD broadcasting signal by analyzing the S-TSID,
The requesting step is
sending the broadcaster application file to the cloud application server while requesting to execute the broadcaster application file according to the AST.

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