CN1893636A - Electronic programe providing method for set-top box - Google Patents
Electronic programe providing method for set-top box Download PDFInfo
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- CN1893636A CN1893636A CN 200510027471 CN200510027471A CN1893636A CN 1893636 A CN1893636 A CN 1893636A CN 200510027471 CN200510027471 CN 200510027471 CN 200510027471 A CN200510027471 A CN 200510027471A CN 1893636 A CN1893636 A CN 1893636A
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Abstract
The invention discloses method for providing electrical program guide of set-top box. The invention makes EPG information of TV station possible to be transmitted not only in former table form, but also in other data forms such as MHEG file form. Receiving EPG information transferred from TV station, then, set-top box provides it to users. The invention solves issue that since frequency bandwidth is limited, EPG information quantity is restricted to be transferred in former situation. Even though TV station does not transmit EPG information in former table form, set-top box can receive EPG information in other forms of data structure such as MHEG file form, and then provides it in form of on screen display image. The invention can provide EPG information to users stably.
Description
Technical field
The invention relates to electronic program list (the E1ectronic Program Guide of set-top box, hereinafter to be referred as EPG) method is provided, in more detail, especially instigate the EPG information of present TV station can not only be with original form, can also transmit with other data modes such as MHEG file form, receive the EPG information that TV station sends by set-top box, the electronic program list that provides it to a kind of set-top box of user then provides method.
Background technology
Recently, step into along with Digital Television in people's the usual life, various set-top box are also developed thereupon and are sold.MHEG service and EPG serve the service that Digital Television provided just, usually, the MHEG service is exactly will be from the form of TV station with application software, receive information such as news, weather forecast, quotations on the stock market, advertisement, and it is decoded, offer user's service then, EPG service is exactly time started or the concluding time that current or next program are provided for the user, various services such as TV programme relevant information such as summary of perhaps current or next TV programme.
This MHEG service is served owing to be considered to different digital television service with EPG, so be difficult to carry out the data reference each other, has so just wasted frequency bandwidth, so the EPG information that TV station can send has just reduced.
First, usually in order to pass through a multiplexer, transmit the service of 5～6 SD (Standard Definition) level, video packets of data, packets of audio data, area data (Section Data) and MHEG application software have been comprised in the transport stream at each service, owing to must transmit data flow simultaneously, therefore will inevitably cause the frequency bandwidth deficiency, so under the irreducible situation of quantity of service of using a multiplexer, the amount of information that the EPG service can offer the user just is restricted.
The second, even utilize MHEG service, when the service relevant with EPG information is provided, because in the data of transmission, some are arranged is repetitions, so just wasted frequency bandwidth.
The 3rd, utilizing MHEG service to provide under the situation of EPG information, when with the common EPG information that transmits with form not simultaneously, can cause system mistake, perhaps provide wrong EPG information to the user.
Summary of the invention
The present invention proposes in order to address the above problem, the objective of the invention is to provide a kind of electronic program list (EPG) that method is provided: can solve because frequency bandwidth is limited with set-top box of following characteristics, the problem that the feasible EPG information that can transmit is restricted, thus can provide stable EPG information for the user.
The present invention makes the EPG information of present TV station can not only be with original form, can also transmit with other data modes such as MHEG file form, receive the EPG information that TV station sends by set-top box, provide it to the user then, thereby solved original because frequency bandwidth is limited, the problem that the EPG amount of information that can transmit is restricted.
And even when not transmitting EPG information with original form in TV station, set-top box also can receive the EPG information such as other data structure forms of MHEG file form, with the form of OSD reflection, offers the user then.
The object of the present invention is achieved like this, a kind of electronic program list of set-top box (EPG) provide method, comprise: the 1st step, electronic program list display command according to the input of user's command processing device, whether the 1st electronic programming single data structure processing module is under the control of system controller, to having electronic program list information to judge in the 1st electronic programming single data structure body in the TV signal transport stream of process additional information decoder decode;
The 2nd step, if above-mentioned judged result is by not having the electronic program list decided information in the 1st electronic programming single data structure body in the TV signal transport stream, above-mentioned the 1st electronic programming single data structure processing module is to electronic program list information sharing memory, the 2nd promptly different with the 1st electronic programming single data structure body electronic programming single data structure bodies are handled, and the shared storage that the 2nd electronic programming single data structure processing module is connected detects;
The 3rd step, include and decide electronic program list information to some extent if above-mentioned judged result is the 1st an electronic programming single data structure body in the TV signal transport stream, respective electronic programme information is detected, the reflection processor will be encoded to the OSD reflection through the electronic program list information that detects, and offer the outside then.
As mentioned above, the EPG of set-top box of the present invention provides method to have following effect: make the EPG information of present TV station can not only be with original form, can also transmit with other data modes such as MHEG file form, receive the EPG information that TV station sends by set-top box, provide it to the user then, so just can solve original because frequency bandwidth is limited, the problem that the EPG amount of information that can transmit is restricted, and, even when not transmitting EPG information with original form in TV station, set-top box can receive the EPG information such as other data structure forms of MHEG file form, the form of OSD reflection then, offer the user, can stably provide EPG information to the user with this.
Description of drawings
Fig. 1 shows the accompanying drawing that adopts set-top box embodiment of the present invention.
Fig. 2 a is the flow chart that the EPG of demonstration set-top box of the present invention provides method.
Fig. 2 b is the flow chart of the EPG information storage process used among the present invention.
The symbol description of major part in the accompanying drawing:
110: user's command processing device 120: the additional information decoder
140: the 2 EPG data structures of 130: the 1 EPG data structure processing modules processing module
150:EPG information sharing memory 160: system control device
170: reflection processor 210: tuner
220: transmit stream decoder
230: transmit data flow demultiplexer (Demultiplexer)
240: audio decoder 250: Video Decoder
Embodiment
It is following that the present invention is described in detail with reference to accompanying drawing.
At first, provide the set-top box of method to describe for example to adopting EPG of the present invention with reference to Fig. 1.
As shown in Figure 1, adopted device (below, abbreviate " EPG generator " as) that EPG of the present invention provides method by forming with lower member:
By press key input devices such as remote controllers, user's command processing device 110 that the EPG display command is handled is imported in the outside;
According to the EPG display command, TV station is transmitted the 1st EPG data structure body of EPG information with service describing table (SDT:Service DescriptionTable), this form form of program information table (EIT:Event Information Table), (for example, MHEG (Multimedea and Hypermedia information coding Experts Group) file form transmits the additional information decoder 120 that the 2nd EPG data structure body of above-mentioned EPG information is decoded respectively to the data form different with above table with utilization;
According to the EPG display command of outside input, the 1st EPG data structure processing module 130 that in through the 1st EPG data structure body of said additional information decoder decode, EPG information is detected;
According to the EPG display command of outside input, the 2nd EPG data structure processing module 140 that in through the 2nd EPG data structure body of said additional information decoder decode, EPG information is detected;
The EPG information sharing memory 150 that the finished EPG information of above-mentioned the 2nd EPG data structure processing module 140 data is stored;
The system control device 160 that the whole system of set-top box used in the present invention is managed;
The EPG information processing of using among the present invention is made it can offer user's reflection processor 170 by (On Screen Display is hereinafter to be referred as OSD) reflection for showing at screen.
With the general video/audio processing device that has adopted EPG generator of the present invention to link to each other by forming with lower member:
Tuner 210 by antenna received television program transport stream;
The TV programme transport stream that above-mentioned tuner 210 receives is carried out the transmission stream decoder 220 that VSB (Vestigial SideBand)/QPSK (Quadrature Phase Shift Keying) decodes;
The TV programme of above-mentioned transmission stream decoder 220 decodings is transmitted flow point from the transmission data flow demultiplexer 230 that becomes audio/video data and television schedule information;
By above-mentioned formation, adopt EPG of the present invention that the set-top box of method is provided, at first according to electronic program EPG (the Electronic Program Guide) display command of user's command processing device input, whether the 1st EPG data structure processing module 130 is under the control of system controller 160, to having EPG information to judge in the 1st EPG data structure body through 120 decodings of additional information decoder.
If above-mentioned judged result is by not having the EPG of being decided information in the 1st EPG data structure body in the TV signal transport stream, 130 pairs of EPG information sharings of above-mentioned the 1st EPG data structure processing module memory 150, the 2nd promptly different with the 1st EPG data structure body EPG data structure bodies are handled, and the shared storage that the 2nd EPG data structure processing module 140 is connected detects; If above-mentioned judged result is the 1st an EPG data structure body in the TV signal transport stream to be included and decides EPG information to some extent, corresponding EPG information is detected, reflection processor 170 will be encoded to OSD and video through the EPG information that detects, offer the outside then.
The present invention will by TV station be different from that common form (for example MHEG document form) sends decided the 2nd EPG data structure form EPG information via the 2nd EPG data structure processing module 140 detect, again through above-mentioned the 1st EPG data structure processing module 130 data processing, be converted into the EPG information of form, then it be stored into the shared storage that links to each other with above-mentioned the 1st EPG data structure processing module 130---in the EPG information storage shared storage 150.
On the one hand, the 1st EPG data structure processing module 130 be judged as exist in the 1EPG data structure body in the TV signal transport stream decide EPG information in, above-mentioned the 1st EPG data structure processing module 130 detects above-mentioned EPG information sharing memory again, judge wherein have or not decide EPG information, be judged as when having EPG information, in order to eliminate, judge whether the EPG information that stores in the EPG information of being carried in above-mentioned the 1st EPG data structure body and the above-mentioned EPG information sharing memory is identical owing to the EPG information inconsistency produces system mistake.When the EPG information of above-mentioned the 1st EPG data structure body carrying is different with storage EPG information in the above-mentioned EPG information sharing memory, the EPG information that above-mentioned the 1st EPG data structure body is carried will preferentially be detected, by reflection processor 170, it is offered the outside with the OSD reflection.
Equally, the present invention makes TV station not only with the 1st data structure body of common form form, also other the 2nd data structure forms with MHEG file form transmit EPG information, receive the EPG information that TV station sends by set-top box, provide it to the user then, so just can solve originally because frequency bandwidth is limited the problem that the EPG amount of information that can transmit is restricted.Thereby, even when TV station transmits EPG information less than the channel information with original SDT (Service Description Table) or EIT (Event Information Table) form, set-top box also can receive the EPG information that sends with other the 2nd data structure forms such as MHEG file form, provides it to the user.This just can stably provide EPG information to the user with the present invention.
Below with reference to Fig. 2 a to Fig. 2 b, provide method to be described in detail to EPG of the present invention.
Fig. 2 a is the flow chart that the EPG of demonstration set-top box of the present invention provides method.Shown in Fig. 2 a, EPG of the present invention provides method to be achieved through following flow process.
S201, at first, whether perception has the EPG display command.
S202 judges whether set-top box receives the EPG display command.
S203, S204, when receiving the EPG display command, to above-mentioned set-top box be provided with decide the 1EPG correlation module and drive, the 1st EPG correlation module is analyzed TV signal transport stream (TP).
S205 preferentially judges whether to exist above-mentioned the 1st EPG data structure body (for example such EPG record form of SDT or EIT) ().
S206 is when the judged result of step S205 is when having the 1st EPG data structure (for example such EPG record form of SDT or EIT) in the TV signal transport stream, the EPG record form to be detected.
S207, judge have or not decide EPG information.
S208, when not having EPG information, according to the present invention, above-mentioned the 1st EPG correlation module pair shared storage that links to each other with the 2nd EPG correlation module detects, and handles the 2nd EPG data structure body different with the 1st EPG data structure body in judged result.
S209, judge have or not decide EPG information.
S210, when the judged result of step S209 by with shared storage that above-mentioned the 2nd EPG correlation module links to each other in exist when being decided EPG information, just with shared storage that above-mentioned the 2nd EPG module links to each other in detect corresponding EPG information, output to the outside with the OSD reflection then.
S211, S212 promptly in step S210, detect EPG information, and produce user interface (UserInterface:UI) OSD reflection, show in the display frame of set-top box then.This a series of EPG shows that form belongs to general technology, no longer is described at this.
S213, S214, when step S212 shows EPG information with the OSD reflection when, fix time according to user's termination display command or according to whether having passed through institute, with user interface (User Interface:UI) OSD that shows among the step S212 PopOFF that videos.
Shared storage EPG information storage process of the present invention is as follows.
S300 shown in Fig. 2 b, at first according to the EPG display command of step S202, drives the 2nd EPG correlation module.
S301, driven the 2nd EPG correlation module is analyzed the TV signal transport stream among the step S300.
S302 judges whether to exist the file of the 2nd EPG data structure MHEG form different with in the past form.
S303 under the situation that has the MHEG file, detects corresponding MHEG file.
S304 judges wherein whether there is EPG information.
S305, S306 according to the judged result of step S304, if there is EPG information, just the EPG information of MHEG application software form is detected and above-mentioned the 1st EPG correlation module is handled it, are processed as form with it.
S307, the EPG information storage that will be processed into form then to shared storage that the 1st EPG correlation module links to each other in.
Said process can carry out diversified change in the scope that does not break away from the technology of the present invention thought.
Then, if the judged result of step S207 is decided EPG information by existing in the 1st EPG data structure body in the TV signal transport stream, just carry out step S210, S211, S212 successively, and corresponding EPG information is directly offered the user as the OSD reflection.
At this moment, in order to eliminate the inconsistent system mistake that causes owing to EPG information, step S207 in judged result when having EPG information, above-mentioned the 1st EPG correlation module pair shared storage that links to each other with the 2nd EPG correlation module (MHEG module) detects, judge whether EPG information that existence is decided, when judged result when having EPG information, just judge whether the EPG information that stores in the EPG information that stores in above-mentioned the 1st EPG data structure body and the above-mentioned 2EPG data structure body is identical, when judged result when to be the EPG information that stores in above-mentioned the 1st EPG data structure body different with the EPG information that stores in above-mentioned the 2nd EPG data structure body, just the EPG information that stores in above-mentioned the 1st EPG data structure body is detected, then it is outputed to the outside with the OSD reflection.
The present invention provides method about the EPG of set-top box, make the EPG information of present TV station can not only be with original form, can also transmit with other data modes such as MHEG file form, receive the EPG information that TV station sends by set-top box, provide it to the user then, so just can solve original because frequency bandwidth is limited, the problem that the EPG amount of information that can transmit is restricted, and, even when not transmitting EPG information with original form in TV station, set-top box can receive the EPG information such as other data structure forms of MHEG file form, with the form of OSD reflection, offers the user then.With this, the present invention can stably provide EPG information to the user.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (4)
1, a kind of electronic program list of set-top box provides method, it is characterized in that comprising:
The 1st step, electronic program list display command according to the input of user's command processing device, whether the 1st electronic programming single data structure processing module is under the control of system controller, to having electronic program list information to judge in the 1st electronic programming single data structure body in the TV signal transport stream of process additional information decoder decode;
The 2nd step, if above-mentioned judged result is by not having the electronic program list decided information in the 1st electronic programming single data structure body in the TV signal transport stream, above-mentioned the 1st electronic programming single data structure processing module is to electronic program list information sharing memory, the 2nd promptly different with the 1st electronic programming single data structure body electronic programming single data structure bodies are handled, and the shared storage that the 2nd electronic programming single data structure processing module is connected detects;
The 3rd step, include and decide electronic program list information to some extent if above-mentioned judged result is the 1st an electronic programming single data structure body in the TV signal transport stream, respective electronic programme information is detected, the reflection processor will be encoded to the OSD reflection through the electronic program list information that detects, and offer the outside then.
2, the electronic program list of set-top box as claimed in claim 1 provides method, it is characterized in that also comprising following step:
The 4th step, when existing in the 1st electronic programming single data structure body in by the TV signal transport stream, the judged result of above-mentioned the 1st step decided electronic program list information, above-mentioned the 1st electronic program list correlation module just detects the shared storage that links to each other with the 2nd electronic program list correlation module, the 2nd electronic programming single data structure different with the 1st electronic programming single data structure handled, judged whether electronic program list information that existence is decided;
The 5th step, if the judged result of above-mentioned the 4th step is for existing electronic program list information, just judge to whether the electronic program list information that stores in the electronic program list information that stores in above-mentioned the 1st electronic programming single data structure body and above-mentioned the 2nd electronic programming single data structure body is identical;
The 6th step, when judged result when to be the electronic program list information that stores in above-mentioned the 1st electronic programming single data structure body different with the electronic program list information that stores in above-mentioned the 2nd electronic programming single data structure body, just the electronic program list information that stores in above-mentioned the 1st electronic programming single data structure body is detected, then it is outputed to the outside with the OSD reflection; When judged result when to be the electronic program list information that stores in above-mentioned the 1st electronic programming single data structure body different with the electronic program list information that stores in above-mentioned the 2nd electronic programming single data structure body, just carry out above-mentioned the 3rd step.
3, the electronic program list of set-top box as claimed in claim 1 provides method, it is characterized in that also comprising following step:
In the TV signal transport stream that the 7th step, above-mentioned the 2nd electronic program list correlation module send TV station, the electronic program list information that sends with above-mentioned the 2nd electronic programming single data structure form detects;
The 8th step, above-mentioned the 1st electronic program list correlation module carries out the data processed to the electronic program list information that detects in above-mentioned the 7th step;
The 9th step, will through the electronic program list information storage of above-mentioned the 8th step data processing to shared storage that above-mentioned the 1st electronic program list correlation module links to each other in.
4, the electronic program list as claim 1 or 2 or 3 described set-top box provides method, it is characterized in that: above-mentioned the 1st electronic programming single data structure is the data structure of form form, and above-mentioned the 2nd electronic programming single data structure is the data structure of MHEG file form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510027471 CN1893636A (en) | 2005-07-04 | 2005-07-04 | Electronic programe providing method for set-top box |
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| CN 200510027471 CN1893636A (en) | 2005-07-04 | 2005-07-04 | Electronic programe providing method for set-top box |
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| CN1893636A true CN1893636A (en) | 2007-01-10 |
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| CN 200510027471 Pending CN1893636A (en) | 2005-07-04 | 2005-07-04 | Electronic programe providing method for set-top box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010022628A1 (en) * | 2008-08-28 | 2010-03-04 | 华为技术有限公司 | Additional data recording method and the related device |
| CN110602510A (en) * | 2018-06-13 | 2019-12-20 | 阿里巴巴集团控股有限公司 | Information control method, device and system in cross-screen interactive live broadcast |
-
2005
- 2005-07-04 CN CN 200510027471 patent/CN1893636A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010022628A1 (en) * | 2008-08-28 | 2010-03-04 | 华为技术有限公司 | Additional data recording method and the related device |
| CN110602510A (en) * | 2018-06-13 | 2019-12-20 | 阿里巴巴集团控股有限公司 | Information control method, device and system in cross-screen interactive live broadcast |
| CN110602510B (en) * | 2018-06-13 | 2021-11-30 | 阿里巴巴集团控股有限公司 | Information control method, device and system in cross-screen interactive live broadcast |
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