KR20130066432A - Method and apparatus for providing iptv service based on cloud - Google Patents

Method and apparatus for providing iptv service based on cloud Download PDF

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Publication number
KR20130066432A
KR20130066432A KR1020110133245A KR20110133245A KR20130066432A KR 20130066432 A KR20130066432 A KR 20130066432A KR 1020110133245 A KR1020110133245 A KR 1020110133245A KR 20110133245 A KR20110133245 A KR 20110133245A KR 20130066432 A KR20130066432 A KR 20130066432A
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KR
South Korea
Prior art keywords
information
additional service
top box
screen
cloud server
Prior art date
Application number
KR1020110133245A
Other languages
Korean (ko)
Inventor
이은준
신일홍
권은정
엄보윤
윤장우
이현우
Original Assignee
한국전자통신연구원
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 한국전자통신연구원 filed Critical 한국전자통신연구원
Priority to KR1020110133245A priority Critical patent/KR20130066432A/en
Publication of KR20130066432A publication Critical patent/KR20130066432A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/21—Server components or server architectures
    • H04N21/222—Secondary servers, e.g. proxy server, cable television Head-end
    • H04N21/2221—Secondary servers, e.g. proxy server, cable television Head-end being a cable television head-end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/488—Data services, e.g. news ticker
    • H04N21/4882—Data services, e.g. news ticker for displaying messages, e.g. warnings, reminders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet

Abstract

PURPOSE: An IPTV(Internet Protocol Television) service supplying method and a device thereof based on cloud are provided to develop an additional service without any constraints according to a specification of a set top box for a developer. CONSTITUTION: A reception unit(210) receives a transmission stream frame including information related to an additional service and channel broadcasting information from a headend(100) and extracts information related to the additional service. An additional service information processing unit(220) decodes information related to the extracted additional service. A capture unit(230) captures screen information related to the additional service to be displayed on the screen. A transmission control unit(240) transmits the screen information to a set top box(310). [Reference numerals] (210) Reception unit; (220) Additional service information processing unit; (230) Capture unit; (240) Transmission control unit; (250) User entry handling unit; (AA) MPEG2-TS frame; (BB) Transmission channel

Description

Method and device for providing cloud-based IPTV service {METHOD AND APPARATUS FOR PROVIDING IPTV SERVICE BASED ON CLOUD}

The present invention relates to a method and apparatus for providing a cloud-based IPTV service, and more particularly, to a method and apparatus for providing an additional service on a cloud basis.

Internet Protocol Television (hereinafter referred to as IPTV) service is a converged communication / broadcasting service, which provides channel broadcasting, music, video contents, and interactive data from the headend to the Internet through a set-top box. The service provided by the subscriber terminal. Therefore, the subscriber station can be provided with various contents and additional services provided by the Internet through the set-top box. In this case, the set-top box overlays the additional service on the screen on which the content is being played and provides it to the subscriber terminal or through a window separate from the content.

That is, when the set-top box receives an MPEG (Motion Picture Expert Group) -2 transport stream (TS) packet from the IPTV headend, the set-top box is associated with additional service and audio and video information corresponding to channel broadcasting from the MPEG-2 TS packet. The information is extracted, the audio information and the video information are decoded, respectively, and output to the subscriber station. The additional service related information is processed and synthesized into the decoded video information and output to the subscriber station.

As such, in order to provide the additional service to the subscriber station together with the channel broadcast, a separate middleware is required for processing the additional service related information in the set-top box. Therefore, the cost of the set-top box increases and there is a limit to the miniaturization of the set-top box. In particular, because the set-top box is installed in the house, if the cost increases, it will adversely affect the activation of the IPTV service.

In addition, since additional service developers also need to develop additional services to meet the specifications of various set-top boxes, the set-top box has a significant limitation on the development of new additional services. In order to receive new supplementary service information, a service subscriber may sometimes have to download an application program required for the set-top box.

The technical problem to be solved by the present invention is to provide a cloud-based IPTV service providing method and apparatus that can simplify the set-top box while the developer can develop additional services without restrictions according to the specifications of the set-top box.

According to an embodiment of the present invention, a cloud server for providing an IPTV service to a subscriber terminal is provided. The cloud server includes a receiver, an additional service information processor, a capture unit, and a transmission controller. The receiver receives a transport stream frame including information related to an additional service and channel broadcast information from a headend, and extracts information related to the additional service. The additional service information processor is configured to display information related to the extracted additional service on a screen. The capture unit captures screen information related to an additional service to be displayed on the screen. The transmission control unit transmits the captured additional service related screen information to a set top box. In this case, the captured additional service-related screen information is provided to the subscriber station by being overlaid on the channel broadcast information in the set top box.

The cloud server may further include a user input processing unit, and the user input processing unit may process or transmit the user input information received through the set top box to the headend.

The transmission control unit may transmit the captured additional service related screen information to the set top box through a transmission channel.

According to another embodiment of the present invention, a set top box for providing an IPTV service to a subscriber station is provided. The set top box includes a receiver, a video decoder, a transmission controller, and a synthesizer. The receiver receives a transport stream frame including additional service related information and channel broadcast information from a headend, and extracts the channel broadcast information. The video decoder decodes the video information of the channel broadcast information and transmits it to the subscriber station. The transport channel unit receives screen information related to the captured additional service from a cloud server that receives and processes the additional service related information. The synthesizer overlays screen information related to the captured additional service on the decoded video information and transmits the screen information to the subscriber station.

The set top box may further include a user input processor, and the user input processor may process input information received from the user through the set top box or transmit the input information to the cloud server through the transmission controller.

Screen information related to the captured additional service may be received as a message through a transmission channel.

According to another embodiment of the present invention, a method for providing an IPTV service to a subscriber station in an IPTV service providing system is provided. The method for providing an IPTV service includes receiving a transport stream frame including additional service related information and channel broadcast information from a headend in a cloud server and a set-top box, respectively, and extracting the additional service related information from the transport stream frame in the cloud server. Extracting the channel broadcast information from the transport stream frame in the set top box; processing the additional service related information in the cloud server to capture screen information related to the additional service; captured by the cloud server Transmitting additional service-related screen information to the set-top box, and outputting the channel broadcast information and the captured additional service-related screen information to a subscriber terminal in the set-top box.

The outputting to the subscriber station may include extracting video information from the channel broadcast information, decoding the video information, and overlaying the screen additional service information on the decoded video information and outputting it to the subscriber terminal. It may include a step.

The IPTV service providing method may further include receiving input information from a user at the set top box or transmitting the input information to the cloud server, and processing the input information at the cloud server or transmitting the input information to the headend. have.

According to an embodiment of the present invention, the cloud server processes the information related to the additional service and the set-top box processes the channel broadcasting information as before, thereby simplifying the function of the set-top box and simultaneously limiting the capability and performance of the set-top box. It is possible to develop various additional services that were not developed by the company. In addition, regardless of the specifications of the set-top box, all subscribers can easily receive additional service information.

1 is a diagram illustrating an IPTV service providing system according to an exemplary embodiment of the present invention.
2 is a view showing a cloud server according to an embodiment of the present invention.
3 is a diagram illustrating a set top box according to an exemplary embodiment of the present invention.
4 is a flowchart illustrating a method of providing additional service information in a cloud server according to an exemplary embodiment of the present invention.
5 is a diagram illustrating a method of providing an IPTV service in a set top box according to an exemplary embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification and claims, when a section is referred to as "including " an element, it is understood that it does not exclude other elements, but may include other elements, unless specifically stated otherwise.

A method and apparatus for providing a cloud-based IPTV service according to an embodiment of the present invention will now be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating an IPTV service providing system according to an exemplary embodiment of the present invention.

Referring to FIG. 1, the IPTV service providing system includes a subscriber premises device connected to the headend 100, the cloud server 200, and the headend 100 and the cloud server 200 through an internet network 400. 300). The subscriber premises device 300 includes a set top box 310 and a subscriber terminal 320.

The headend 100 manages and authenticates subscribers of the IPTV service. The headend 100 manages channel broadcast content and additional service related information provided from each broadcast content provider such as a program provider, a data provider, a terrestrial provider, or an IPTV content provider. 200) and set-top box 310. The additional service related information may include, for example, various kinds of information related to the additional service of the IPTV, such as advertisement information, shopping information, medical information, local information, or a description of a specific object displayed on the reproduction screen of the content. The additional service related information may further include electronic program guide (EPG) information about channel broadcast content.

The headend 100 encodes channel broadcast content and additional service related information, and then converts the broadcast information to an MPEG (Motion Picture Expert Group) -2 transport stream (TS) frame and stores the cloud server 200 through the Internet network 400. And the set-top box 310.

The cloud server 200 is a server installed on the Internet and provides a cloud computing service. The cloud server 200 according to an embodiment of the present invention receives MPEG-2 TS frames from the headend 100 to extract additional service information, and processes additional service related information to display a screen related to the additional service to be displayed on the screen. Information is captured and the captured additional service related screen information is transmitted to the set-top box 310 through the Internet network 400.

In the subscriber premises device 300, the set-top box 310 receives the MPEG-2 TS frame transmitted from the headend through the Internet network 400 to extract the audio and video information corresponding to the channel broadcast, extracted audio and The video information is decoded and output to the subscriber station 320.

In addition, when the set-top box 310 receives the additional service related screen information captured from the cloud server 200 through the internet network 400, the set-top box 310 overlays the decoded video information and outputs it to the subscriber terminal 320.

The subscriber station 320 displays the audio and video information received from the set top box 310 on the screen. When the captured additional service related screen information is overlaid on the video information, the captured additional service related screen information is displayed on the screen of the subscriber terminal 320 and overlaid on the video information. The subscriber station 320 may include a TV, a computer, and the like.

The IPTV service providing system supports an interactive service between the headend 100 and the user, and the set-top box 310 transmits information input from the user to the headend 100 through the cloud server 300.

2 is a view showing a cloud server according to an embodiment of the present invention.

Referring to FIG. 2, the cloud server 200 may include a receiver 210, an additional service information processor 220, a capture unit 230, a transmission controller 240, and a user input processor 250.

The receiver 210 receives an MPEG-2 TS frame from the headend 100, extracts additional service related information from the MPEG-2 TS frame, and delivers the additional service related information to the additional service information processor 220.

The additional service information processing unit 220 processes the additional service related information to be displayed on the screen by decoding and executing the additional service related information.

The capturer 230 captures screen information related to the additional service to be displayed on the screen, and transfers the captured additional service related screen information to the transmission control unit 240.

The transmission control unit 240 transmits the captured additional service related screen information to the set top box 310 through the internet network 400. The transmission control unit 240 may generate a message including the captured additional service-related screen information and transmit the message to the set-top box 310 through a transmission channel of the internet network 400. In addition, the transmission controller 240 receives user input information from the set-top box 310, and transmits the user input information to the user input processor 250.

The user input processing unit 250 processes user input information or transmits user input information to the headend 100 when necessary. The user input processor 250 transmits user input information to the headend 100 through a transmission channel.

3 is a diagram illustrating a set top box according to an exemplary embodiment of the present invention.

Referring to FIG. 3, the set top box 310 includes a receiver 311, an audio decoder 312, a video decoder 313, a transmission controller 314, a synthesizer 315, and a user input processor 316. .

The receiver 311 receives the MPEG-2 TS frame from the headend 100 and extracts audio information and video information corresponding to channel broadcast from the MPEG-2 TS frame. The receiver 311 transfers the extracted audio information to the audio decoder 312 and delivers the extracted video information to the video decoder 313.

The audio decoder 312 decodes the audio information and transmits the audio information to the subscriber station 320. The decoded audio information may be output through the speaker of the subscriber station 320.

The video decoder 313 decodes the video information and transmits the decoded video information to the subscriber station 320. The decoded video information may be output through the screen of the subscriber station 320.

When the transmission control unit 314 receives a message from the transmission control unit 214 of the cloud server 200, the transmission control unit 314 extracts the additional service related screen information captured by the cloud server 200 from the received message, and extracts the additional service related screen information. It is delivered to the synthesis unit 315. In addition, the transmission control unit 314 receives the user input information from the user input processing unit 316 and transmits the user's input information to the transmission control unit 240 of the cloud server 200 through the Internet network 400. The transmission control unit 314 may generate a message including user input information and transmit the message to the transmission control unit 240 of the cloud server 200 through a transmission channel of the internet network 400.

When the synthesizer 315 receives the captured screen additional service information received from the transmission controller 314, the subscriber terminal 320 overlays the decoded video information with the additional service related screen information captured by the cloud server 200. To send. Then, the captured additional service related screen information may be overlaid on the decoded video information and output through the screen of the subscriber station 320.

The user input processing unit 316 receives information input from the user, processes the user input information, or transmits the received user input information to the transmission control unit 314. The user can input information through a remote control, a keyboard, or a mouse.

As such, the apparatus for providing an IPTV service according to an exemplary embodiment of the present invention may simplify the set-top box by processing additional service related information of the IPTV service in a cloud server, thereby reducing the cost of the set-top box. In addition, by providing an additional service provided in a set-top box having a limited environment and resources in the cloud server environment, the additional service can be developed and provided without limitation on the set-top box resources. Will be provided.

If the set-top box processes the supplementary service, the middleware capable of processing the supplementary service must be mounted in the set-top box existing for each subscriber indoor device, while the cloud server 200 processes the supplementary service if the cloud server ( 200) only needs middleware that can handle additional services. In addition, since the middleware and the operating environment in which the additional service is executed may vary according to the additional service, the implementation of the various middleware and the operating environment in the set-top box may be difficult due to limitations in accordance with the performance and specifications of the set-top box. Implementing a variety of middleware in 200 is easier than in a set-top box. Therefore, since the cloud server 200 can implement various middleware and operating environments for additional services, it is easy to create various new additional services.

4 is a flowchart illustrating a method of processing additional service related information in a cloud server according to an exemplary embodiment of the present invention.

Referring to FIG. 4, when the receiver 210 receives an MPEG-2 TS frame from the headend 100 (S410), the additional service related information is extracted from the MPEG-2 TS frame (S420).

The additional service information processing unit 220 processes the additional service related information to be displayed on the screen by decoding and executing the additional service related information (S430).

The capturer 230 captures screen information related to the additional service to be displayed on the screen (S440), and the transmission controller 240 transmits the captured additional service related screen information to the set-top box 310 through the Internet network 400. Transmit (S450).

5 is a diagram illustrating a method of providing an IPTV service in a set top box according to an exemplary embodiment of the present invention.

Referring to FIG. 5, when the receiver 311 receives an MPEG-2 TS frame from the headend 100 (S510), audio information and video information corresponding to channel broadcast are extracted from the MPEG-2 TS frame (S520). ).

The audio decoder 312 decodes the extracted audio information and outputs it to the subscriber station 320 (S530). Then, the decoded audio information is output through the speaker of the subscriber station 320. In addition, the video decoder 313 decodes the video information and outputs it to the subscriber station 320 (S540). Then, the decoded video information is output through the screen of the subscriber station 320.

On the other hand, the transmission control unit 314 receives the additional service-related screen information captured from the cloud server 200 (S550).

When receiving the additional service-related screen information captured from the cloud server 200, the synthesis unit 315 overlays the captured additional service-related screen information on the decoded video information and outputs it to the subscriber station 320 (S560 ~). S570). Then, the captured additional service related screen information is overlaid on the decoded video information and output through the screen of the subscriber station 320.

In the above embodiment, the set-top box 310 has been described as overlaying the additional service-related screen information captured from the cloud server 200, but the cloud server 200 may perform the function of overlaying the captured additional service-related screen information. It may be. This has the advantage of further simplifying the set top box 310.

On the other hand, in order to overlay the additional service-related screen information captured by the cloud server 200, the cloud server 200 needs an audio decoder and a video decoder for decoding audio information and video information corresponding to channel broadcasting, respectively. There is a need for a synthesizer that overlays the captured additional service related screen information on the decoded video information. In addition, since the cloud server 200 needs to encode the decoded audio information and the video information overlaid on the captured screen additional service information, respectively, and transmit the encoded video information to the set-top box 310, the cloud server 200 further needs an audio encoder and a video encoder. Therefore, the load of the cloud server 200 is increased, which reduces the number of set-top boxes 310 that can be accommodated at the same time.

However, as described in the embodiment of the present invention, if the cloud server 200 processes additional service related information of the IPTV service, and the set-top box 310 processes audio information and video information corresponding to channel broadcasting, the cloud server ( The load of 200 may be appropriately reduced, and accordingly, the number of set-top boxes 310 that can be accommodated at the same time may be increased. In addition, the function of the set-top box 310 can be simplified compared to the existing IPTV service providing system, thereby reducing the cost of the set-top box 310.

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 of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

Claims (11)

In the cloud server providing the IPTV service to the subscriber terminal,
A receiver which receives a transport stream frame including information related to an additional service and channel broadcast information from a headend, and extracts information related to the additional service;
An additional service information processing unit configured to display information related to the extracted additional service on a screen;
A capture unit for capturing screen information related to an additional service to be displayed on the screen, and
Transmission control unit for transmitting the captured additional service-related screen information to the set-top box
Including;
The captured additional service related screen information is overlaid on the channel broadcasting information in the set top box and provided to the subscriber terminal. In claim 1,
User input processing unit for processing the user's input information received through the set-top box or transmits to the headend
Cloud server further comprising. In claim 1,
The transmission control unit transmits the captured additional service-related screen information to the set-top box through a transmission channel. In a set-top box that provides an IPTV service to a subscriber terminal,
A receiver for receiving a transport stream frame including additional service related information and channel broadcast information from a headend, and extracting the channel broadcast information;
A video decoder for decoding video information of the channel broadcast information and transmitting the decoded video information to the subscriber station;
A transmission controller configured to receive screen information related to the captured additional service from a cloud server that receives and processes the additional service related information; and
A synthesizer configured to overlay screen information related to the captured additional service on the decoded video information and transmit the screen information to the subscriber station;
Set top box comprising a. 5. The method of claim 4,
A user input processing unit for processing input information received from the user through the set-top box or transmitted to the cloud server through the transmission control unit
Set top box further including. 5. The method of claim 4,
And screen information related to the captured additional service is received as a message through a transmission channel. In the method for providing an IPTV service to a subscriber station in an IPTV service providing system,
Receiving a transport stream frame including additional service related information and channel broadcast information from the headend in the cloud server and the set-top box, respectively,
Extracting the additional service related information from the transport stream frame in the cloud server;
Extracting the channel broadcast information from the transport stream frame in the set top box;
Processing the additional service related information by the cloud server to capture screen information related to the additional service;
Transmitting the screen information related to the additional service captured by the cloud server to the set-top box, and
Outputting the channel broadcast information and the captured additional service related screen information to a subscriber station in the set top box;
IPTV service providing method comprising a. In claim 7,
Outputting to the subscriber terminal,
Extracting video information from the channel broadcast information;
Decoding the video information, and
And overlaying the screen additional service information on the decoded video information and outputting the screen additional service information to the subscriber station. 9. The method of claim 8,
Outputting to the subscriber terminal,
Extracting audio information from the channel broadcast information; and
Decoding the audio information and outputting the audio information to the subscriber station. In claim 7,
Receiving or transmitting input information from a user in the set top box to the cloud server, and
Processing the input information in the cloud server or transmitting to the headend
IPTV service providing method comprising more. In claim 7,
The transmitting of the additional service related screen information to the set top box may include:
And transmitting the additional service related screen information to the set top box through a transmission channel of an internet network.
KR1020110133245A 2011-12-12 2011-12-12 Method and apparatus for providing iptv service based on cloud KR20130066432A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104301784A (en) * 2013-07-19 2015-01-21 深圳市同洲电子股份有限公司 Digital television terminal capable of screenshot return, screenshot return method and screenshot return system
KR101535809B1 (en) * 2014-01-24 2015-07-13 에스케이플래닛 주식회사 Method for providing Cloud Streaming Service, system and apparatus therefor
WO2016018102A1 (en) * 2014-07-30 2016-02-04 엔트릭스 주식회사 System for cloud streaming-based broadcast-associated service, client apparatus for broadcast-associated service, trigger content provision server and method utilizing same
KR20200021817A (en) 2018-08-21 2020-03-02 주식회사 씨오티커넥티드 Clould tv control apparatus
CN115150642A (en) * 2021-03-31 2022-10-04 阿里巴巴新加坡控股有限公司 Communication method, server, electronic device, and storage medium

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104301784A (en) * 2013-07-19 2015-01-21 深圳市同洲电子股份有限公司 Digital television terminal capable of screenshot return, screenshot return method and screenshot return system
KR101535809B1 (en) * 2014-01-24 2015-07-13 에스케이플래닛 주식회사 Method for providing Cloud Streaming Service, system and apparatus therefor
WO2016018102A1 (en) * 2014-07-30 2016-02-04 엔트릭스 주식회사 System for cloud streaming-based broadcast-associated service, client apparatus for broadcast-associated service, trigger content provision server and method utilizing same
KR20200021817A (en) 2018-08-21 2020-03-02 주식회사 씨오티커넥티드 Clould tv control apparatus
CN115150642A (en) * 2021-03-31 2022-10-04 阿里巴巴新加坡控股有限公司 Communication method, server, electronic device, and storage medium
CN115150642B (en) * 2021-03-31 2023-09-22 阿里巴巴新加坡控股有限公司 Communication method, server, electronic device, and storage medium

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