CN106231371A - Method for synchronizing time, TV and EPG server - Google Patents
Method for synchronizing time, TV and EPG server Download PDFInfo
- Publication number
- CN106231371A CN106231371A CN201610595618.6A CN201610595618A CN106231371A CN 106231371 A CN106231371 A CN 106231371A CN 201610595618 A CN201610595618 A CN 201610595618A CN 106231371 A CN106231371 A CN 106231371A
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- Prior art keywords
- epg
- server
- system time
- program source
- epg information
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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]
-
- 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
Abstract
The present invention provides a kind of method for synchronizing time, TV and EPG server.The method includes: receiving the first EPG information that EPG server sends, wherein, the first EPG information includes that EPG server sends the first system time difference of the first system time of the first EPG information, EPG server and program source server；Ask the first equipment time of the first EPG information and television reception to the second equipment time of the first EPG information according to TV to EPG server, determine the second system time difference of TV and EPG server；According to the first system time, the first system time difference and second system time difference, it is achieved TV and the time synchronized of program source server.Present invention achieves the time synchronized of TV and program source server.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method for synchronizing time, TV and EPG server.
Background technology
At present, the programme variety that intelligent television can be play gets more and more, including traditional signal source live television programming
And the program resource etc. in network, user can pass through the video in intelligent television networking program request network or watch network carousel
The program of channel, therefore, user is increasing for the alternative of TV programme to be watched.The joint of network carousel channel
Mesh is probably derived from the program source server of multiple different geographic regions distribution.
In prior art, intelligent television can periodically obtain electronic program guides (Electronic Program
Guide, is called for short EPG) EPG information of server side, the channel then selected user according to EPG information plays out, now
Real-time is obtained video code flow from different program source servers by intelligent television.The EPG information of EPG server side, is EPG service
After device gets the different programme informations of multiple program source server by network request, carry out layout again and the packet of program
The EPG information of the consolidation form formed.If the system time of the time of intelligent television and program source server is asynchronous, it will
Program source server is caused to be sent to the real-time code stream of intelligent television the most corresponding with the programme information in EPG information.Therefore, intelligence
How TV and program source server carry out time synchronized is that those skilled in the art need badly and solve the technical problem that.
Summary of the invention
The present invention provides a kind of method for synchronizing time, TV and EPG server, to realize intelligent television and program source service
The time synchronized of device.
First aspect, the present invention provides a kind of method for synchronizing time, for the time synchronized of TV Yu program source server,
Including:
Receiving the first EPG information that EPG server sends, wherein, described first EPG information includes described EPG server
Send the first system time of the first system time of described first EPG information, described EPG server and program source server
Difference；
The first equipment time of described first EPG information and described electricity is asked to described EPG server according to described TV
Depending on receiving the second equipment time of described first EPG information, when determining the second system of described TV and described EPG server
Between poor；
According to described the first system time, described the first system time difference and described second system time difference, it is achieved described
TV and the time synchronized of described program source server.
Second aspect, the present invention provides a kind of method for synchronizing time, for the time synchronized of TV Yu program source server,
Including:
Receive the second EPG information that program source server sends；
According to described EPG server to the 4th system time of the second EPG information described in described program source server request
The 5th system time with described EPG server receives described second EPG information, determines described EPG server and program source
The first system time difference of server；
Sending the first EPG information to TV, wherein, described first EPG information includes that EPG server sends described EPG letter
The first system time difference of the first system time of breath, described EPG server and program source server.
The third aspect, the present invention provides a kind of TV, including:
Receiver module, for receiving the first EPG information that EPG server sends, wherein, described first EPG information includes
Described EPG server sends the first system time of described first EPG information, described EPG server and program source server
The first system time difference；
Determine module, for asking the first equipment of described first EPG information to described EPG server according to described TV
Time and described television reception, to the second equipment time of described first EPG information, determine described TV and described EPG server
Second system time difference；
Processing module, when according to described the first system time, described the first system time difference and described second system
Between poor, it is achieved the time synchronized of described TV and described program source server.
Fourth aspect, the present invention provides a kind of EPG server, including:
Receiver module, for receiving the second EPG information that program source server sends；
Determine module, be used for according to described EPG server to the second EPG information described in described program source server request
4th system time and described EPG server receive the 5th system time of described second EPG information, determine that described EPG takes
Business device and the first system time difference of program source server；
Sending module, for sending the first EPG information to TV, wherein, described first EPG information includes EPG server
Send the first system time difference of the first system time of described EPG information, described EPG server and program source server.
The method for synchronizing time of the embodiment of the present invention, TV and EPG server, for TV and program source server time
Between synchronize, by receive EPG server send the first EPG information, wherein, described first EPG information includes that described EPG services
Device sends the first system time of the first system time of described first EPG information, described EPG server and program source server
Difference；Further, ask the first equipment time and the institute of described first EPG information to described EPG server according to described TV
State the television reception the second equipment time to described first EPG information, determine that described TV with the second of described EPG server is
System time difference；Finally, according to described the first system time, described the first system time difference and described second system time difference, real
The time synchronized of existing described TV and described program source server, TV can be according to TV current equipment time and first
System time, the first system time difference and second system time difference calculate the system time of program source server, then can root
The program that the channel of actual program source server is play is known, it is to avoid existing skill according to the programme information in the first EPG information
In art, program source server is sent to the problem that the real-time code stream of intelligent television is the most corresponding with the programme information in EPG information.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is this
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the system architecture of method for synchronizing time one embodiment of the present invention；
Fig. 2 a is the schematic flow sheet of method for synchronizing time one embodiment of the present invention；
Fig. 2 b is the schematic flow sheet of another embodiment of method for synchronizing time of the present invention；
Fig. 3 is the schematic flow sheet of another embodiment of method for synchronizing time of the present invention；
Fig. 4 is the structural representation of TV one embodiment of the present invention；
Fig. 5 is the structural representation of another embodiment of TV of the present invention；
Fig. 6 is the structural representation of EPG server one embodiment of the present invention；
Fig. 7 is the structural representation of another embodiment of EPG server of the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
Carousel is that same set of program uses multiple channel to be circulated broadcasting, user (such as 10 minutes) at a time interval
The video request program effect of forward-reverse is reached by channel selection.At present, the programme information of wheel multicast function is probably derived from many
The program source server of individual different geographic regions distribution, such as Hisense's on one's own account program source server, magnificent several sections of mesh source servers, rises
News program source server etc..At synchronization, the present system time of the program source server of distribution different geographic regions may
Difference, even differs bigger.When carousel EPG server gets the different programs of N platform program source server by network request
After information, carry out layout again and the EPG information of packet formation consolidation form of program, be then handed down to intelligent television.Work as intelligence
After energy TV obtains and resolve the EPG information that EPG server provides, a certain channel to user is selected is needed to play out,
Now real-time is obtained video flowing from different program source servers by intelligent television.
Owing to N platform program source server has N number of different time, EPG server has the time of oneself, and intelligent television also has
The individually time.Even if not considering the problems such as network delay, the time between three kinds of entities also cannot accomplish completely the same, because of
This, if the system time of the time of intelligent television and program source server is asynchronous, it will cause program source server to send
The most corresponding with the programme information in EPG information to the real-time code stream of intelligent television.
The method for synchronizing time that the embodiment of the present invention provides, it is intended to solve the problems referred to above, and more preferable Consumer's Experience is provided.
Fig. 1 is the system architecture of method for synchronizing time one embodiment of the present invention.As it is shown in figure 1, the embodiment of the present invention is
System framework includes three kinds of entities: program source server, EPG server, TV.It is only capable of passing through network between these three entity
The mode connected interacts.
1) EPG server is by the EPG information new to each program source server request of the inquiry mechanism timing of self,
The unified EPG information that updating maintenance is held after new EPG information obtains and resolves；EPG information includes multiple program source
The programme information of server.
2) when TV active request EPG information, EPG server up-to-date unified EPG information is distributed to accordingly
TV, complete EPG information and issue function.
3), after obtaining and resolve the EPG information that EPG server provides when TV, a certain channel that user is selected is needed to enter
Row is play, and connects, by the network request of agreement, the program source server specified, carries out the real-time code of current channel video content
Streaming task.
Fig. 2 a is the schematic flow sheet of method for synchronizing time one embodiment of the present invention.As shown in Figure 2 a, the side of the present embodiment
Method, for the time synchronized of TV Yu program source server, the executive agent of the present embodiment is TV, and method includes:
The first EPG information that step 201, reception EPG server send, wherein, the first EPG information includes EPG server
Send the first system time difference of the first system time of the first EPG information, EPG server and program source server；
Concrete, TV asks the first EPG information to EPG server on one's own initiative；Can be start time, on one's own initiative to
EPG server initiates request, asks the first EPG information；Or periodically initiate request to EPG server, ask first
EPG information.
Wherein, the first EPG information includes that EPG server sends the first system time of the first EPG information, EPG server
The first system time difference with program source server；
The first system time difference is the time difference that EPG server draws according to the EPG information obtained from program source server.
EPG server obtains its respective EPG information from multiple program source servers, carries out layout again and forms unification
The first EPG information, the first EPG information except include EPG server send the first system time of the first EPG information, EPG clothes
Business device is poor with the system time of each program source server, also includes the programme information that multiple program source server is corresponding.
Step 202, the first equipment time of the first EPG information and television reception is asked to arrive according to TV to EPG server
The second equipment time of the first EPG information, determine the second system time difference of TV and EPG server；
Concrete, TV can ask the first equipment time and TV of the first EPG information according to TV to EPG server
Receive the second equipment time of the first EPG information, determine the second system time difference of TV and EPG server, i.e. second
System time difference can be the half of the second equipment time and the difference of the first equipment time.
Now, TV and EPG server can be carried out time synchronized, i.e. TV sends an EPG according to EPG server
The first system time and the second system time difference of information are assured that when EPG server sends the first EPG information
The equipment time of TV, it is also possible to the equipment time current according to TV and second system time difference, now EPG can be extrapolated
The system time of server, it is achieved thereby that TV and the time synchronized of EPG server.
Step 203, according to the first system time, the first system time difference and second system time difference, it is achieved TV and joint
The time synchronized of mesh source server.
Concrete, TV is according to the first system time difference of EPG server Yu program source server, and EPG server
Send the first system time of the first EPG information, it is possible to extrapolate program source clothes when EPG server sends the first EPG information
The system time of business device；Second system time difference and EPG server according to TV with EPG server send an EPG letter
The first system time of breath, it is possible to extrapolate the equipment time of TV when EPG server sends the first EPG information, thus real
Existing TV and the time synchronized of program source server, can be according to the first system time, the first system time difference and second i.e.
Equipment time and the 3rd system time that system time difference TV is current are poor, it is achieved TV is same with the time of program source server
Step.
Further, according to the programme information that the program source server in the first EPG information is corresponding, correspondence can be selected
Program plays out.
In the embodiment of the present invention, TV is according to the first system time, and the TV determined and the second of EPG server
System time difference and the first system time difference of EPG server with program source server, carry out the time together with program source server
Step, i.e. TV can be according to TV current equipment time and the first system time, the first system time difference and second systems
Time difference calculates the system time of program source server, then can know currently according to the programme information in the first EPG information
The program that the channel of program source server is play.
The method for synchronizing time that the present embodiment provides, for the time synchronized of TV Yu program source server, by receiving
The first EPG information that EPG server sends, wherein, described first EPG information includes that described EPG server sends described first
The first system time difference of the first system time of EPG information, described EPG server and program source server；Further, root
Ask the first equipment time of described first EPG information and described television reception to institute according to described TV to described EPG server
State the second equipment time of the first EPG information, determine the second system time difference of described TV and described EPG server；Finally,
According to described the first system time, described the first system time difference and described second system time difference, it is achieved described TV and institute
State the time synchronized of program source server, TV can according to TV current equipment time and the first system time, first
System time difference and second system time difference calculate the system time of program source server, then can be according to the first EPG information
In programme information know the program that the channel of actual program source server is play, it is to avoid program source service in prior art
Device is sent to the problem that the real-time code stream of intelligent television is the most corresponding with the programme information in EPG information.
On the basis of above-described embodiment, further, alternatively, in the present embodiment, in order to realize determining that TV takes with EPG
The second system time difference of business device, then can also proceed as follows before step 202:
Obtain carry out with described EPG server network be connected used by the first duration, wherein first time a length of TV and EPG
Server sets up the time spent by network connection；
Then step 202 specifically can be accomplished in that
The first equipment time of the first EPG information, television reception is asked to be believed to an EPG according to TV to EPG server
Second equipment time of breath and the first duration, determine the second system time difference of TV and EPG server.
Concrete, the first equipment time and television reception of the first EPG information asked by TV according to TV to EPG server
To the second equipment time of the first EPG information, and set up network when this obtains EPG information with EPG server and be connected and consumed
The duration taken, then can calculate the second system time difference between TV and EPG server, i.e. utilizes the second equipment of TV
Time adds the first duration with the half of the difference of the first equipment time, then can calculate second system time difference.
Wherein, first time a length of TV this set up network when obtaining the first EPG information with EPG server and be connected spent
Duration.
Fig. 2 b is the schematic flow sheet of another embodiment of method for synchronizing time of the present invention.On the basis of above-described embodiment,
As shown in Figure 2 b, can also proceed as follows after step 203:
Step 204, the channel request of reception user operation, wherein, channel request includes channel identication；
Step 205, determine the program source server that channel request is corresponding according to channel identication；
Step 206, according to the 3rd equipment time of TV and the first system time difference and second system time difference, determine
The second system time of program source server；
Step 207, according to second system time of program source server and the first EPG information, determine channel identication pair
The channel answered plays program, and wherein, the first EPG information also includes: the programme information that channel identication is corresponding.
Further, optionally, step 207 specifically can realize in the following way:
All programme informations that described in described first EPG information, channel identication is corresponding searched by described TV, according to described
The second system time determines the program that the channel that described channel identication is corresponding is play.
First EPG information also includes: the programme information that multiple channel identications are corresponding, and programme information refers to the concrete of program
Description information, such as mark, beginning and the end time etc. of program.
Concrete, after user selectes a certain channel, it is thus necessary to determine that the program play of current channel.Now, profit
The first system time difference obtained by above-mentioned steps and second system time difference and the 3rd equipment time of TV, calculate
The system time t of the program source server N belonging to current channel of approximation；
Utilize the system time t of the program source server N estimated, travel through all of programme information of current channel, it is judged that
Whether the system time t of program source server N falls in the beginning and end time interval range of a certain program；
If fallen in beginning and the end time interval range of a certain program, then as current channel just selecting this program
At the program play；Otherwise, the 3rd equipment time that selected TV is current repeats as the system time t of program source server N
Above-mentioned steps determines the program that current channel is being play；
Further, alternatively, when judging that number of times does not falls within a certain Pgmtime interval range more than 3 times, will terminate
The program constant current journey really that this is being play.
Utilize the selected program play, by the detailed letter extracting the program play in the first EPG information
Breath, completes this program constant current journey really play.
Fig. 3 is the schematic flow sheet of another embodiment of method for synchronizing time of the present invention.The present embodiment method for electricity
Depending on the time synchronized with program source server, the executive agent of the present embodiment is EPG server.As it is shown on figure 3, the present embodiment
Method, including:
The second EPG information that step 301, reception program source server send；
Step 302, according to EPG server to the 4th system time and EPG of program source server request the second EPG information
Server receives the 5th system time of the second EPG information, when determining the first system of EPG server and program source server
Between poor；
Step 303, sending the first EPG information to TV, wherein, the first EPG information includes that EPG server sends EPG letter
The first system time difference of the first system time of breath, EPG server and program source server.
Concrete, EPG server is set up network on one's own initiative and is connected, to its second EPG information of program source server request；
EPG information can including, program source server sends the 3rd system time and the program source service of described second EPG information
The programme information of device；
EPG server obtains EPG information and program source EPG server transmission the 2nd EPG letter that program source server provides
3rd system time of breath；
Then, EPG server according to EPG server to four system of program source server request the second EPG information time
Between and EPG server receive the 5th system time of the second EPG information, determine the of EPG server and program source server
One system time is poor, and the first system time difference can be specifically the half of the difference of the 5th system time and the 4th system time；
And this first system time difference is sent to TV, so that TV is according to the first system of EPG server Yu program source server
The second system time difference of time difference and EPG server and TV, it is achieved the time between TV and program source server with
Step.
In the present embodiment, it is also possible to realize the time synchronized of EPG server and program source server, i.e. EPG server root
The 3rd system time of described second EPG information and EPG server and program source server is sent according to program source server
The first system time difference, it may be determined that the time of EPG server when program source server sends described second EPG information, thus
Achieve the time synchronized of EPG server and program source server.
Wherein, EPG server by the first system time difference of EPG server Yu program source server, and can capture
Second EPG information of the program source server resolved, updating maintenance one comprises the EPG information of each program source server content.
On the basis of above-described embodiment, further, alternatively, in the present embodiment, in order to realize determining EPG server with
The first system time difference of program source server, then can also proceed as follows before step 302:
Obtain carry out with described program source server network be connected used by the second duration, a length of institute when wherein said second
State EPG server set up with described program source server network be connected spent by time；
Accordingly, step 302 specifically can be accomplished in that
According to described EPG server to the 4th system time of the second EPG information described in described program source server request
Receive the 5th system time of described second EPG information and described second duration with described EPG server, determine described
EPG server and the first system time difference of program source server.
Concrete, EPG server according to EPG server to the second EPG information described in described program source server request
4th system time and described EPG server receive the 5th system time of described second EPG information, and this obtains the
Set up with program source server during two EPG information network be connected spent by duration, then can calculate EPG server and program
The first system time difference between source server, i.e. utilizes the 5th system time of EPG server to deduct the 4th system time
The half of difference adds the second duration, then can calculate the first system time difference.
Wherein, second time a length of EPG server this set up network with program source server even when obtaining the second EPG information
Connect spent duration.
Wherein, in actual applications, further, described method, also comprise the steps:
Obtain the first system time difference of EPG server and the program source server repeatedly determined；
Accordingly, before step 303, it is also possible to proceed as follows:
The first system time that the meansigma methods of multiple described the first system time differences is included as the first EPG information
Difference.
Concrete, EPG server can utilize repeatedly set up with program source server network be connected spent by second time
Long, EPG server services to the 4th system time and the described EPG of the second EPG information described in described program source server request
Device receives the 5th system time of described second EPG information and constantly revises between EPG server and program source server
One system time is poor.
It is then possible to be averaged according to the first system time difference calculated several times calculate final the first system
Time difference, or average computation can also be weighted go out final the first system time difference.
Fig. 4 is the structural representation of TV one embodiment of the present invention.As shown in Figure 4, the TV of the present embodiment, including:
Receiver module 401, determine module 402 and processing module 403；
Wherein, receiver module 401, for receiving the first EPG information that EPG server sends, wherein, a described EPG
Information includes that described EPG server sends the first system time of described first EPG information, described EPG server and program source
The first system time difference of server；
Determine module 402, for asking the first of described first EPG information to described EPG server according to described TV
Equipment time and described television reception, to the second equipment time of described first EPG information, determine that described TV takes with described EPG
The second system time difference of business device；
Processing module 403, for according to described the first system time, described the first system time difference and described second system
Time difference, it is achieved described TV and the time synchronized of described program source server.
Alternatively, as a kind of enforceable mode, TV can also include:
Acquisition module, for obtain carry out with described EPG server network be connected used by the first duration, wherein said the
The most a length of described TV set up with described EPG server network be connected spent by time；
Accordingly, described determine module 402, specifically for:
The first equipment time of described first EPG information, described TV is asked to described EPG server according to described TV
Receive the second equipment time of described first EPG information and described first duration, determine described TV and described EPG server
Second system time difference.
Alternatively, as a kind of enforceable mode, described receiver module 401, it is additionally operable to receive the channel of user operation
Request, wherein, states channel request and includes channel identication；
Described determine module 402, be additionally operable to determine, according to described channel identication, the program source clothes that described channel request is corresponding
Business device；
Described determine module 402, be additionally operable to the 3rd equipment time according to described TV and described the first system time difference
And described second system time difference, determine the second system time of described program source server；
Described determine module 402, be additionally operable to the second system time according to described program source server and described first
EPG information, determines that the channel that described channel identication is corresponding plays program, and wherein, described first EPG information also includes: described frequency
The programme information that road mark is corresponding.
Alternatively, as a kind of enforceable mode, described determine module 402, specifically for:
Search all programme informations that described in described first EPG information, channel identication is corresponding, according to described second system
Time determines that the channel that described channel identication is corresponding plays program.
The TV of the present embodiment, may be used for performing the technical scheme of embodiment of the method as shown in Fig. 2 a, Fig. 2 b, and it realizes
Principle is similar with technique effect, and here is omitted.
Fig. 5 is the structural representation of another embodiment of TV of the present invention.As it is shown in figure 5, the TV of the present embodiment, can wrap
Include: memorizer 501, processor 502 and communication interface 503；Wherein, memorizer 501, it is used for storing program；Specifically, program can
To include program code, described program code includes computer-managed instruction.Memorizer 501 may comprise random access memory
(random access memory is called for short RAM), it is also possible to also include nonvolatile memory (non-volatile
Memory), for example, at least one disk memory.
Processor 502, for performing the program of memorizer 501 storage, for performing what method embodiment of the present invention was provided
Technical scheme, it is similar with technique effect that it realizes principle, refers to the embodiment of the method shown in Fig. 2 a, Fig. 2 b, the most superfluous
State.
Communication interface 503, for receiving the channel request of EPG information and user operation；
Said apparatus determining, module, processing module, the function of acquisition module can be realized by processor 502.
The function of receiver module can be realized by communication interface 503.
The TV of the present invention can also include display screen.
Above-mentioned parts are communicated by one or more bus.It will be understood by those skilled in the art that shown in Fig. 5
The structure of TV is not intended that limitation of the invention, and it both can be busbar network, it is also possible to be hub-and-spoke configuration, it is also possible to
Illustrate more or less of parts including ratio, or combine some parts, or different parts are arranged.
It should be noted that for television embodiment, owing to it essentially corresponds to embodiment of the method, so being correlated with it
Place sees the part of embodiment of the method and illustrates.
Fig. 6 is the structural representation of EPG server one embodiment of the present invention.As shown in Figure 4, the EPG service of the present embodiment
Device, including:
Receiver module 601, determine module 602 and sending module 603；
Wherein, receiver module 601, for receiving the second EPG information that program source server sends；
Determine module 602, for believing to the 2nd EPG described in described program source server request according to described EPG server
4th system time of breath and described EPG server receive the 5th system time of described second EPG information, determine described
EPG server and the first system time difference of program source server；
Sending module 603, for sending the first EPG information to TV, wherein, described first EPG information includes that EPG services
Device sends the first system time difference of the first system time of described EPG information, described EPG server and program source server.
Alternatively, as a kind of enforceable mode, also include:
Acquisition module, for obtain carry out with described program source server network be connected used by the second duration, Qi Zhongsuo
When stating second a length of described EPG server set up with described program source server network be connected spent by time；
Accordingly, described determine module, specifically for:
According to described EPG server to the 4th system time of the second EPG information described in described program source server request
Receive the 5th system time of described second EPG information and described second duration with described EPG server, determine described
EPG server and the first system time difference of program source server.
Alternatively, as a kind of enforceable mode, described acquisition module, it is additionally operable to:
Obtain the first system time difference of described EPG server and the program source server repeatedly determined；
Accordingly, described determine module 602, be additionally operable to:
During the first system that the meansigma methods of multiple described the first system time differences is included as described first EPG information
Between poor.
The EPG server of the present embodiment, may be used for performing the technical scheme of embodiment of the method as shown in Figure 3, and it realizes
Principle is similar with technique effect, and here is omitted.
Fig. 7 is the structural representation of another embodiment of EPG server of the present invention.As it is shown in fig. 7, the TV of the present embodiment,
May include that memorizer 701, processor 702 and communication interface 703；Wherein, memorizer 701, it is used for storing program；Specifically,
Program can include that program code, described program code include computer-managed instruction.Memorizer 701 may comprise random access memory
Memorizer (random access memory is called for short RAM), it is also possible to also include nonvolatile memory (non-volatile
Memory), for example, at least one disk memory.
Processor 702, for performing the program of memorizer 701 storage, for performing what method embodiment of the present invention was provided
Technical scheme, it is similar with technique effect that it realizes principle, refers to the embodiment of the method shown in Fig. 3, and here is omitted.
Communication interface 703, is used for receiving EPG information and sending EPG information；
Determine module in said apparatus, the function of acquisition module can be realized by processor 702.
Sending module, the function of receiver module can be realized by communication interface 703.
Above-mentioned parts are communicated by one or more bus.It will be understood by those skilled in the art that shown in Fig. 7
The structure of TV is not intended that limitation of the invention, and it both can be busbar network, it is also possible to be hub-and-spoke configuration, it is also possible to
Illustrate more or less of parts including ratio, or combine some parts, or different parts are arranged.
It should be noted that for EPG server embodiment, owing to it essentially corresponds to embodiment of the method, so
Relevant part sees the part of embodiment of the method and illustrates.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can be passed through
The hardware that programmed instruction is relevant completes, and aforesaid program can be stored in a computer read/write memory medium, this program
Upon execution, perform to include the step of said method embodiment；And aforesaid storage medium includes: ROM, RAM, magnetic disc or light
The various medium that can store program code such as dish.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (12)
1. a method for synchronizing time, for the time synchronized of TV Yu program source server, it is characterised in that including:
Receiving the first EPG information that EPG server sends, wherein, described first EPG information includes that described EPG server sends
The first system time difference of the first system time of described first EPG information, described EPG server and program source server；
The first equipment time of described first EPG information and described TV is asked to connect according to described TV to described EPG server
Receive the second equipment time of described first EPG information, determine the second system time of described TV and described EPG server
Difference；
According to described the first system time, described the first system time difference and described second system time difference, it is achieved described TV
Time synchronized with described program source server.
Method the most according to claim 1, it is characterised in that described ask to described EPG server according to described TV
First equipment time of described first EPG information and described television reception are to the second equipment time of described first EPG information, really
Before the second system time difference of fixed described TV and described EPG server, also include:
Obtain carry out with described EPG server network be connected used by the first duration, a length of described TV when wherein said first
Set up with described EPG server network be connected spent by time；
Accordingly, described according to described TV to described EPG server ask described first EPG information the first equipment time and
Described television reception, to the second equipment time of described first EPG information, determines the second of described TV and described EPG server
System time is poor, including:
The first equipment time of described first EPG information, described television reception is asked to described EPG server according to described TV
To the second equipment time and described first duration of described first EPG information, determine the of described TV and described EPG server
Two system time difference.
Method the most according to claim 1 and 2, it is characterised in that described according to the described the first system time, described first
Poor and the described second system time difference of system time, it is achieved after the time synchronized of described TV and described program source server,
Also include:
Receiving the channel request of user operation, wherein, described channel request includes channel identication；
The program source server that described channel request is corresponding is determined according to described channel identication；
The 3rd equipment time according to described TV and described the first system time difference and described second system time difference, determine
The second system time of described program source server；
Second system time according to described program source server and described first EPG information, determine described channel identication pair
The channel answered plays program, and wherein, described first EPG information also includes: the programme information that described channel identication is corresponding.
4. a method for synchronizing time, for the time synchronized of TV Yu program source server, it is characterised in that including:
Receive the second EPG information that program source server sends；
According to described EPG server to the 4th system time of the second EPG information described in described program source server request and institute
State EPG server and receive the 5th system time of described second EPG information, determine described EPG server and program source service
The first system time difference of device；
Sending the first EPG information to TV, wherein, described first EPG information includes that EPG server sends described EPG information
The first system time difference of the first system time, described EPG server and program source server.
Method the most according to claim 4, it is characterised in that described take to described program source according to described EPG server
Business device asks the 4th system time of described second EPG information and described EPG server to receive the of described second EPG information
Five system times, before determining the first system time difference of described EPG server and program source server, also include:
Obtain carry out with described program source server network be connected used by the second duration, a length of when wherein said second described in
EPG server set up with described program source server network be connected spent by time；
Accordingly, described according to described EPG server to the described in described program source server request the 4th of the second EPG information the it is
System time and described EPG server receive the 5th system time of described second EPG information, determine described EPG server with
The first system time difference of program source server, including:
According to described EPG server to the 4th system time of the second EPG information described in described program source server request and institute
State EPG server and receive the 5th system time of described second EPG information and described second duration, determine that described EPG takes
Business device and the first system time difference of program source server.
Method the most according to claim 5, it is characterised in that also include:
Obtain the first system time difference of described EPG server and the program source server repeatedly determined；
Accordingly, before described EPG server sends the first EPG information to TV, including:
The first system time that the meansigma methods of multiple described the first system time differences is included as described first EPG information
Difference.
7. a TV, it is characterised in that including:
Receiver module, for receiving the first EPG information that EPG server sends, wherein, described first EPG information includes described
EPG server sends the first system time of described first EPG information, described EPG server and the first of program source server
System time is poor；
Determine module, for asking the first equipment time of described first EPG information to described EPG server according to described TV
With the second equipment time of described television reception to described first EPG information, determine the of described TV and described EPG server
Two system time difference；
Processing module, is used for according to described the first system time, described the first system time difference and described second system time difference,
Realize the time synchronized of described TV and described program source server.
TV the most according to claim 7, it is characterised in that also include:
Acquisition module, for obtain carry out with described EPG server network be connected used by the first duration, when wherein said first
A length of described TV set up with described EPG server network be connected spent by time；
Accordingly, described determine module, specifically for:
The first equipment time of described first EPG information, described television reception is asked to described EPG server according to described TV
To the second equipment time and described first duration of described first EPG information, determine the of described TV and described EPG server
Two system time difference.
9., according to the TV described in claim 7 or 8, it is characterised in that described receiver module, it is additionally operable to receive user operation
Channel request, wherein, described channel request includes channel identication；
Described determine module, be additionally operable to determine, according to described channel identication, the program source server that described channel request is corresponding；
Described determine module, be additionally operable to the 3rd equipment time according to described TV and described the first system time difference and described
Second system time difference, determines the second system time of described program source server；
Described determine module, be additionally operable to the second system time according to described program source server and described first EPG information,
Determining that the channel that described channel identication is corresponding plays program, wherein, described first EPG information also includes: described channel identication pair
The programme information answered.
10. an EPG server, it is characterised in that including:
Receiver module, for receiving the second EPG information that program source server sends；
Determine module, be used for according to described EPG server to the described in described program source server request the 4th of the second EPG information the
System time and described EPG server receive the 5th system time of described second EPG information, determine described EPG server
The first system time difference with program source server；
Sending module, for sending the first EPG information to TV, wherein, described first EPG information includes that EPG server sends
The first system time difference of the first system time of described EPG information, described EPG server and program source server.
11. EPG server according to claim 10, it is characterised in that also include:
Acquisition module, for obtain carry out with described program source server network be connected used by the second duration, wherein said the
When two a length of described EPG server set up with described program source server network be connected spent by time；
Accordingly, described determine module, specifically for:
According to described EPG server to the 4th system time of the second EPG information described in described program source server request and institute
State EPG server and receive the 5th system time of described second EPG information and described second duration, determine that described EPG takes
Business device and the first system time difference of program source server.
12. EPG server according to claim 11, it is characterised in that described acquisition module, are additionally operable to:
Obtain the first system time difference of described EPG server and the program source server repeatedly determined；
Accordingly, described determine module, be additionally operable to:
The first system time that the meansigma methods of multiple described the first system time differences is included as described first EPG information
Difference.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610595618.6A CN106231371B (en) | 2016-07-27 | 2016-07-27 | Method for synchronizing time, TV and EPG server |
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| CN201610595618.6A CN106231371B (en) | 2016-07-27 | 2016-07-27 | Method for synchronizing time, TV and EPG server |
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| CN106231371A true CN106231371A (en) | 2016-12-14 |
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| CN114173172A (en) * | 2021-12-09 | 2022-03-11 | 深圳创维数字技术有限公司 | Data processing method, device, terminal equipment and storage medium |
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| CN106231371B (en) | 2019-07-02 |
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