CN105791900A - Information synchronization system and method - Google Patents
Information synchronization system and method Download PDFInfo
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- CN105791900A CN105791900A CN201610105227.1A CN201610105227A CN105791900A CN 105791900 A CN105791900 A CN 105791900A CN 201610105227 A CN201610105227 A CN 201610105227A CN 105791900 A CN105791900 A CN 105791900A
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
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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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
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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]
- H04N21/40—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
- H04N21/475—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data
- H04N21/4758—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data for providing answers, e.g. voting
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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]
- H04N21/60—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
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention provides an information synchronization system and method. The system includes an information processing device, a first screen device, a server and a second screen device. The information processing device is used for receiving a digital television signal, sending master screen content to the first screen device, and sending synchronization information to a server. The digital television signal includes the master screen content and the synchronization information of the master screen content. The first screen device is used for playing the master screen content. The server is used for sending the synchronization information to the second screen device. The second screen device is used for displaying the synchronization information. According to the information synchronization system, the synchronization content can be watched by using the second screen device, so that the watching experience of the user is improved. In addition, the synchronization information can be pushed to thousands of households with one information processing device, so that the system has low cost and is easy to promote.
Description
Technical field
The present invention relates to technical field of video processing, particularly to a kind of information synchronization system and method.
Background technology
Viewing TV programme have become as one of a kind of important entertainment way in people's daily life.Current TV programme are all the fixing contents generated after editing in advance, process.Although, some TV programme are in the process made at present, can make some information Tong Bu with TV programme, for instance, explanation to TV programme, or for vote information (so that collecting user's voting results to the content of TV programme) being supplied to user etc..But, the data signal of TV programme, when changing TV signal, is only sent and plays out to TV, and the synchronizing information of TV programme in TV signal is abandoned by the TV signal conversion equipment of current most TV.Which results in user and cannot receive the synchronizing information of TV programme, it is difficult to comprehensive to user, various viewing experience, Consumer's Experience is poor.
Summary of the invention
It is contemplated that solve above-mentioned technical problem at least to a certain extent.
For this, first purpose of the present invention is in that to propose a kind of information synchronization system, it is simple to the propelling movement of synchronizing information, and cost is low, it is easy to promote.
Second purpose of the present invention is in that to propose a kind of information synchronization method.
For reaching above-mentioned purpose, embodiment proposes a kind of information synchronization system according to a first aspect of the present invention, including: messaging device, the first screen equipment, server and the second screen equipment, wherein, described messaging device is used for receiving digital television signal, described digital television signal includes main screen content and the synchronizing information of described main screen content, and sends described main screen content to described first screen equipment, and sends described synchronizing information to described server；Described first screen equipment is used for playing described main screen content；Described server is for sending described synchronizing information to described second screen equipment；Described second screen equipment is used for showing described synchronizing information.
The information synchronization system of the embodiment of the present invention, by messaging device, the main screen content transmission in digital television signal can be played out to the first screen equipment, and the synchronizing information of the main screen content in digital television signal is displayed to the second screen equipment by server transmission, make user while watching main screen content by the first screen equipment, the second screen equipment can be passed through and synchronize viewing synchronizing content, improve the viewing experience of user.Additionally, embodiments of the invention, it is possible to processing equipment by a station information, can realize pushing to the synchronizing information of huge numbers of families, cost is low, it is easy to promote.
In one embodiment of the invention, described synchronizing information is: the synchronizing content of described main screen content；Or the identification information of the synchronizing content of described main screen content.
In one embodiment of the invention, if the identification information of the synchronizing content that described synchronizing information is described main screen content, then, described server is additionally operable to obtain corresponding synchronizing content according to described identification information, and sends described synchronizing content to described second screen equipment；Described second screen equipment is additionally operable to show described synchronizing content.
In one embodiment of the invention, described second screen equipment is additionally operable to receive the feedback information of user, and sends described feedback information to described server；Described server is additionally operable to described feedback information is processed.
In one embodiment of the invention, described messaging device is TV set-top box.
In one embodiment of the invention, described synchronizing information is EPG signal.
Second aspect present invention embodiment proposes a kind of information synchronization method, comprises the following steps: messaging device receives television programme data, and wherein said television programme data includes main screen content and the synchronizing information of described main screen content；The transmission of described main screen content is played out by described messaging device to the first screen equipment, and sends described synchronizing information to server；Described synchronizing information is sent to described second screen equipment by described server.Described second screen equipment shows described synchronizing information.
The information synchronization method of the embodiment of the present invention, by messaging device, the main screen content transmission in digital television signal can be played out to the first screen equipment, and the synchronizing information of the main screen content in digital television signal is displayed to the second screen equipment by server transmission, make user while watching main screen content by the first screen equipment, the second screen equipment can be passed through and synchronize viewing synchronizing content, improve the viewing experience of user.Additionally, embodiments of the invention, it is possible to processing equipment by a station information, can realize pushing to the synchronizing information of huge numbers of families, cost is low, it is easy to promote.
In one embodiment of the invention, described synchronizing information is: the synchronizing content of described main screen content；Or the identification information of the synchronizing content of described main screen content.
In one embodiment of the invention, if the identification information of the synchronizing content that described synchronizing information is described main screen content, then described method also includes: described server obtains corresponding synchronizing content according to described identification information, and sends described synchronizing content to described second screen equipment；Described second screen equipment shows described synchronizing content.
In one embodiment of the invention, also include: described second screen equipment receives the feedback information of user；Described feedback information is sent to described server by described second screen equipment, described feedback information to be processed by described server.
In one embodiment of the invention, described messaging device is TV set-top box.
In one embodiment of the invention, described synchronizing information is EPG signal.
The additional aspect of the present invention and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is the structural representation of information synchronization system according to an embodiment of the invention；
Fig. 2 is the flow chart of information synchronization method according to an embodiment of the invention；
Fig. 3 is the flow chart of information synchronization method in accordance with another embodiment of the present invention.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " multiple " refers to two or more；Term " first ", " second " only for descriptive purposes, and it is not intended that instruction or hint relative importance.
Below with reference to the accompanying drawings information synchronization system according to embodiments of the present invention and method are described.
Fig. 1 is the structural representation of information synchronization system according to an embodiment of the invention.
As it is shown in figure 1, information synchronization system according to embodiments of the present invention, including: messaging device the 10, first screen equipment 20, server 30 and the second screen equipment 40.
Specifically, messaging device 10 is used for receiving digital television signal, and digital television signal includes main screen content and the synchronizing information of main screen content, and sends main screen content to the first screen equipment 20, and sends synchronizing information to server 30.
In one embodiment of the invention, messaging device 10 can be TV set-top box.Digital television signal, after receiving digital television signal, can be decoded by messaging device 10, to obtain the synchronizing information of main screen content therein and main screen content.
Wherein, main screen content can be television programme data.Synchronizing information can be TS (TransportStream, the encapsulation format of the video flowing of a kind of real-time Transmission) signal bit stream in digital television signal.For example, synchronizing information can be EPG (ElectronicProgramGuide, electronic program guides) signal.Wherein, digital television signal may be from satellite, wired or terrestrial broadcasting etc..
After messaging device 10 decoded digital TV signal, available main screen content can send to the first screen equipment 20 and play out, and sends the synchronizing information obtained after decoding to server 30.
First screen equipment 20 is used for playing main screen content.
In embodiments of the invention, the first screen equipment can be TV.
Server 30 is for sending synchronizing information to the second screen equipment 40.
Second screen equipment 40 is used for showing synchronizing information.
In an embodiment of the present invention, the second screen equipment 40 can be mobile terminal.Such as, mobile phone, panel computer, personal digital assistant, Intelligent wearable equipment, notebook computer etc..
In an embodiment of the present invention, above-mentioned synchronizing information can be the synchronizing content of main screen content, or the identification information of the synchronizing content of main screen content.For example, synchronizing content can be the explanation information of main screen content, voting inviting, peripheral information etc..
Specifically, if the synchronizing content data volume of main screen content is less, then can be synchronizing information by synchronizing content direct coding.If the synchronizing content data volume of main screen content is relatively big, then in order to reduce volume of transmitted data, then synchronizing content can be stored in server 30.And the code identification information that will be only used in mark synchronizing content is synchronizing information, transmitted along with main screen content.
In one embodiment of the invention, if synchronizing information is the identification information of synchronizing content, server 30 can be additionally used in and obtains corresponding synchronizing content according to described identification information, and sends described synchronizing content to the second screen equipment 40.Second screen equipment 40 is additionally operable to show described synchronizing content.
Thus, in user's process by television-viewing TV programme, can synchronize, by the second screen equipment 40, the content that viewing is synchronization with the TV programme watched simultaneously.
In an embodiment of the application, the second screen equipment 40 can be additionally used in the feedback information receiving user, and sends described feedback information to server 30；Server 30 can be additionally used in and described feedback information is processed.User is when watching synchronizing information, and user can be operated for synchronizing information, i.e. the feedback information of user, for instance clicks, browse, vote, buy, the operation such as installation.After server 30 processes, the votes etc. of the content of pages of user's click, counting user can be provided the user.
For example, if synchronizing content is the voting inviting for main screen content, then, after showing this voting inviting, user can vote, and vote information transmission is added up to server 30 by the second screen equipment 40.
It should be noted that the second screen equipment in the present invention can be one or more, it is possible to belong to the user of the first screen equipment, it is possible to belong to other users.If being multiple, then can be belonging respectively to multiple user.Thus, for same main screen content, as long as there being a messaging device to send synchronizing information to server, just can pass through server and synchronizing information is sent the second screen equipment to different user, achieve by a messaging device, can realizing pushing to the synchronizing information of huge numbers of families, cost is low, it is easy to promote.
The information synchronization system of the embodiment of the present invention, by messaging device, the main screen content transmission in digital television signal can be played out to the first screen equipment, and the synchronizing information of the main screen content in digital television signal is displayed to the second screen equipment by server transmission, make user while watching main screen content by the first screen equipment, the second screen equipment can be passed through and synchronize viewing synchronizing content, improve the viewing experience of user.Additionally, embodiments of the invention, it is possible to processing equipment by a station information, can realize pushing to the synchronizing information of huge numbers of families, cost is low, it is easy to promote.
Corresponding with above-mentioned information synchronization system, the present invention also proposes a kind of information synchronization method.
Fig. 2 is the flow chart of information synchronization method according to an embodiment of the invention.
As in figure 2 it is shown, information synchronization method according to embodiments of the present invention, comprise the following steps.
S201, messaging device receives television programme data, and wherein television programme data includes the sync id information of main screen content and main screen content.
Specifically, in one embodiment of the invention, messaging device can be TV set-top box.Digital television signal, after receiving digital television signal, can be decoded by messaging device, to obtain the synchronizing information of main screen content therein and main screen content.Wherein, digital television signal may be from satellite, wired or terrestrial broadcasting etc..
Wherein, main screen content can be television programme data.Synchronizing information can be TS (TransportStream, the encapsulation format of the video flowing of a kind of real-time Transmission) signal bit stream in digital television signal.For example, synchronizing information can be EPG (ElectronicProgramGuide, electronic program guides) signal.
S202, the transmission of main screen content is played out by messaging device to the first screen equipment, and sends synchronizing information to server.
In embodiments of the invention, the first screen equipment can be TV.
S203, synchronizing information is sent to the second screen equipment by server.
In an embodiment of the present invention, the second screen equipment can be mobile terminal.Such as, mobile phone, panel computer, personal digital assistant, Intelligent wearable equipment, notebook computer etc..
S204, the second screen equipment shows described synchronizing information.
In an embodiment of the present invention, above-mentioned synchronizing information can be the synchronizing content of main screen content, or the identification information of the synchronizing content of main screen content.For example, synchronizing content can be the explanation information of main screen content, voting inviting, peripheral information etc..
Specifically, if the synchronizing content data volume of main screen content is less, then can be synchronizing information by synchronizing content direct coding.If the synchronizing content data volume of main screen content is relatively big, then in order to reduce volume of transmitted data, then synchronizing content can be stored in the server.And the code identification information that will be only used in mark synchronizing content is synchronizing information, transmitted along with main screen content.
Fig. 3 is the flow chart of information synchronization method in accordance with another embodiment of the present invention.
As it is shown on figure 3, in one embodiment of the invention, if synchronizing information is the identification information of synchronizing content, then the method includes S201-S204, and further, the method may also include that
S205, server obtains corresponding synchronizing content according to identification information, and sends synchronizing content to the second screen equipment.
S206, the second screen equipment display synchronizing content.
Thus, in user's process by television-viewing TV programme, can synchronize, by the second screen equipment, the content that viewing is synchronization with the TV programme watched simultaneously.
Further, in one embodiment of the invention, the method may also include that
S207, the second screen equipment receives the feedback information of user.
S208, feedback information is sent to server by the second screen equipment, feedback information to be processed by server.
User is when watching synchronizing information, and user can be operated for synchronizing information, i.e. the feedback information of user, for instance clicks, browse, vote, buy, the operation such as installation.After server process, the votes etc. of the content of pages of user's click, counting user can be provided the user.
For example, if synchronizing content is the voting inviting for main screen content, then, after showing this voting inviting, user can vote, and vote information transmission is added up to server by the second screen equipment.
The information synchronization method of the embodiment of the present invention, by messaging device, the main screen content transmission in digital television signal can be played out to the first screen equipment, and the synchronizing information of the main screen content in digital television signal is displayed to the second screen equipment by server transmission, make user while watching main screen content by the first screen equipment, the second screen equipment can be passed through and synchronize viewing synchronizing content, improve the viewing experience of user.Additionally, embodiments of the invention, it is possible to processing equipment by a station information, can realize pushing to the synchronizing information of huge numbers of families, cost is low, it is easy to promote.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner.Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature.In describing the invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
Describe in flow chart or in this any process described otherwise above or method and be construed as, represent and include the module of code of executable instruction of one or more step for realizing specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press order that is shown or that discuss, including according to involved function by basic mode simultaneously or in the opposite order, performing function, this should be understood by embodiments of the invention person of ordinary skill in the field.
Represent in flow charts or in this logic described otherwise above and/or step, such as, it is considered the sequencing list of executable instruction for realizing logic function, may be embodied in any computer-readable medium, use for instruction execution system, device or equipment (such as computer based system, including the system of processor or other can from instruction execution system, device or equipment instruction fetch the system performing instruction), or use in conjunction with these instruction execution systems, device or equipment.For the purpose of this specification, " computer-readable medium " can be any can comprise, store, communicate, propagate or transmission procedure is for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium includes following: have the electrical connection section (electronic installation) of one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read only memory (ROM), erasable edit read only memory (EPROM or flash memory), fiber device, and portable optic disk read only memory (CDROM).Additionally, computer-readable medium can even is that the paper that can print described program thereon or other suitable media, because can such as by paper or other media be carried out optical scanning, then carry out editing, interpreting or be processed to electronically obtain described program with other suitable methods if desired, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple steps or method can realize with the storage software or firmware in memory and by suitable instruction execution system execution.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: there is the discrete logic of logic gates for data signal realizes logic function, there is the special IC of suitable combination logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries can be by the hardware that program carrys out instruction relevant and complete, described program can be stored in a kind of computer-readable recording medium, this program upon execution, including the step one or a combination set of of embodiment of the method.
Additionally, each functional unit in each embodiment of the present invention can be integrated in a processing module, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in a module.Above-mentioned integrated module both can adopt the form of hardware to realize, it would however also be possible to employ the form of software function module realizes.If described integrated module is using the form realization of software function module and as independent production marketing or use, it is also possible to be stored in a computer read/write memory medium.
Storage medium mentioned above can be read only memory, disk or CD etc..Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (12)
1. an information synchronization system, it is characterised in that including: messaging device, the first screen equipment, server and the second screen equipment, wherein,
Described messaging device is used for receiving digital television signal, described digital television signal includes main screen content and the synchronizing information of described main screen content, and described main screen content is sent to described first screen equipment, and described synchronizing information is sent to described server；
Described first screen equipment is used for playing described main screen content；
Described server is for sending described synchronizing information to described second screen equipment；
Described second screen equipment is used for showing described synchronizing information.
2. the system as claimed in claim 1, it is characterised in that described synchronizing information is:
The synchronizing content of described main screen content；
Or the identification information of the synchronizing content of described main screen content.
3. system as claimed in claim 2, it is characterised in that if the identification information of the synchronizing content that described synchronizing information is described main screen content, then,
Described server is additionally operable to obtain corresponding synchronizing content according to described identification information, and sends described synchronizing content to described second screen equipment；
Described second screen equipment is additionally operable to show described synchronizing content.
4. the system as described in any one of claim 1-3, it is characterised in that
Described second screen equipment is additionally operable to receive the feedback information of user, and sends described feedback information to described server；
Described server is additionally operable to described feedback information is processed.
5. the system as claimed in claim 1, it is characterised in that described messaging device is TV set-top box.
6. the system as claimed in claim 1, it is characterised in that described synchronizing information is EPG signal.
7. an information synchronization method, it is characterised in that comprise the following steps:
Messaging device receives television programme data, and wherein said television programme data includes main screen content and the synchronizing information of described main screen content；
The transmission of described main screen content is played out by described messaging device to the first screen equipment, and sends described synchronizing information to server；
Described synchronizing information is sent to described second screen equipment by described server.
Described second screen equipment shows described synchronizing information.
8. method as claimed in claim 7, it is characterised in that described synchronizing information is:
The synchronizing content of described main screen content；
Or the identification information of the synchronizing content of described main screen content.
9. method as claimed in claim 8, it is characterised in that if the identification information of the synchronizing content that described synchronizing information is described main screen content, then described method also includes:
Described server obtains corresponding synchronizing content according to described identification information, and sends described synchronizing content to described second screen equipment；
Described second screen equipment shows described synchronizing content.
10. the method as described in claim 7-9, it is characterised in that also include:
Described second screen equipment receives the feedback information of user；
Described feedback information is sent to described server by described second screen equipment, described feedback information to be processed by described server.
11. method as claimed in claim 7, it is characterised in that described messaging device is TV set-top box.
12. method as claimed in claim 7, it is characterised in that described synchronizing information is EPG signal.
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| CN201610105227.1A CN105791900A (en) | 2016-02-25 | 2016-02-25 | Information synchronization system and method |
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