CN101420622B - Labeled television system for describing affair state of digital television set and describing method - Google Patents
Labeled television system for describing affair state of digital television set and describing method Download PDFInfo
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- CN101420622B CN101420622B CN2007101761461A CN200710176146A CN101420622B CN 101420622 B CN101420622 B CN 101420622B CN 2007101761461 A CN2007101761461 A CN 2007101761461A CN 200710176146 A CN200710176146 A CN 200710176146A CN 101420622 B CN101420622 B CN 101420622B
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Abstract
The invention relates to a tag television system for describing the event state of a digital television and a description method, being applied in a digital television system. The digital television system comprises a code stream broadcasting device and a multiplexer. The tag television system comprises a tag editing unit used for calculating the basic offset time of the event state change according to the event state change displayed by a program code stream, describing start time and end time for broadcasting a television event by using the basic offset time and generating time data which is carried in a tag during the transmission; the digital television system also comprises a tagging unit which is respectively coupled with the code stream broadcasting device and the tag editing unit and used for sending out the tag which carries the time data at the time of the state change of the television event according to the event state change of the program code stream transmitted by the code stream broadcasting device; and the digital television system also comprises a tag data broadcasting unit which is coupled with the multiplexer and used for receiving the tag which carries the time data, packaging the tag to the designated transmission format and sending out the tag through the multiplexer.
Description
Technical field
The present invention relates to Digital Television, relate in particular to a kind of label television system and describing method that is used to describe the Digital Television state-event.
Background technology
Current digital television system is used electronic program guides (EPG:Electronic ProgramGuide) definition Digital Television incident (Event) information.The Digital Television incident just has the program of beginning and ending time in the digital TV channel, also is daily said TV programme, and a for example collection TV play, film, sports tournament, advertisement etc. all is an incident first; Event information is the digital television program that broadcasts at broadcasting or being about in a period of time in the future, mainly comprises incident title, incident broadcast time started, broadcasts length, event description etc.The use of this easy-to-use, friendly interface, the function that can the fast access program that provides by electronic program guides, the user can carry out previewing programs and switching fast.
Although satisfying aspect domestic consumer's program browsing and the switch application, information that electronic program guides provides and function are enough used, but on the other hand, because the restriction of electronic program guides self realization mechanism, make it exist not enough satisfying the application facet that the terminal use has relatively high expectations to digital TV event state information accuracy and real-time, for example: 1, electronic program guides is to use the broadcast time of absolute time definition incident, if the clock of terminal and front end is inconsistent, then state-event is judged to occur than large deviation; 2, electronic program guides be with second as minimum time of day, can not realize the definition of more high-precision state-event; 3, the data volume of electronic program guides is bigger, and terminal is received table needs the long time of cost, makes state-event change and can not in time notify terminal.
Summary of the invention
Describe the existing deficiency of state-event in order to solve the use electronic program guides of pointing out in the above-mentioned prior art, the invention provides a kind of label television system and describing method of describing the Digital Television state-event.
According to one embodiment of the invention, a kind of label television system of describing the Digital Television state-event is proposed, be applied to digital television system, this digital television system comprises code stream playing device and multiplexer, described label television system comprises: the label editing unit, the state-event that is used for showing according to program stream changes, calculate the basic shift time that state-event changes, use this basic shift time to describe the beginning and ending time that the Digital Television incident is broadcasted, entrained time data when generating label and sending; The unit labels, be coupled respectively with described code stream playing device and label editing unit, be used for state-event variation, the described label that carries time data is sent constantly in the state variation of described Digital Television incident according to the program stream of code stream playing device transmission; Label data broadcasts the unit, is coupled with described multiplexer, is used to receive the described label that carries time data, and is packaged as the given transmission form, sends by described multiplexer.
According to another embodiment of the present invention, a kind of describing method of Digital Television state-event is proposed, this method comprises the following steps: that the label editing unit changes according to the state-event that program stream shows, calculate the basic shift time that state-event changes, use this basic shift time to describe the beginning and ending time that events corresponding is broadcasted, entrained time data when generating label and sending; The unit that labels changes according to the state-event of the program stream of code stream playing device transmission, and the label that carries time data of this incident correspondence is sent constantly in the state variation of this incident; Label data broadcast unit is packaged as the given transmission form with the described label that carries time data and transmits by multiplexer.
Label television system provided by the invention and Digital Television event description method can satisfy the various terminal applies that accuracy, precision and real-time to state-event have higher requirements.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is the structured flowchart of label television system of the present invention;
Fig. 2 is applied to the structure diagram of digital television system for label television system of the present invention;
Fig. 3 is the flow chart of Digital Television event description method of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer,, the embodiment of the invention is described in further details below in conjunction with embodiment and accompanying drawing.At this, illustrative examples of the present invention and explanation thereof are used to explain the present invention, but not as a limitation of the invention.
Below in conjunction with the drawings and specific embodiments system and method for the present invention is elaborated.
At first, please refer to Fig. 1, in the present embodiment, label television system 14 of the present invention is to be applied to digital television system, be coupled respectively with the code stream playing device 11 and the multiplexer 13 of digital television system, be used for the state of the Digital Television incident of the program stream of code stream playing device transmission is analyzed and judged, with the form sign of label data and the accurate state variation of description Digital Television incident, a corresponding action is set simultaneously, for example switch to application data or beginning program recording etc., with request according to the digital television system terminal use, when the state variation of described Digital Television incident, carry out this action, and described label data is sent by multiplexer 13, so that the terminal use of digital television system is when selecting or set the program of watching, can be more initiatively, and be unlikely to influence view reception effect because of clock jitter.
In the present embodiment; be that to broadcast one road program stream with the code stream playing device be example; label television system of the present invention promptly is to carry out state description and action setting at the incident in this road program stream; in other embodiments; also at two-way or more the incident in the multi-channel program code stream carry out state description and action is provided with, these all are contained in protection scope of the present invention.
As shown in Figure 1, the label television system 14 of present embodiment comprises label editing unit 141, label unit 142 and label data broadcast unit 143, wherein:
Wherein, described business is meant the code stream of each digital channel transmission, also is a broadcast items stream of Digital Television, as CCTV1, BTV1 etc., each business is made up of a plurality of incidents according to the transmission time order, and each incident is exactly a program, as stated in the Background Art.Illustrate, CCTV1 begins to play news in 7 o'clock sharps, until intercut advertisement in five minutes 7 thirty, then continue the broadcast of this news, up to 8 o'clock sharps, in 7 o'clock to 8 o'clock this hour, this CCTV1 business has comprised three incidents, the i.e. news of the advertisement of the news of 7:00～7:30,7:30～7:35,7:35～8:00 so.
Label data broadcasts unit 143 and is coupled with described multiplexer 13, be used for the label that carries time data that the described unit 142 of labelling sends is packaged as the given transmission form, and be multiplexed into by the label data that described multiplexer 13 will be packed in the network of digital television system and transmit.Wherein, the label data packing can be made into this label data the data file of specific format by using Software tool.And, in the transport stream of digital television system, label data is with independently professional broadcast, the data of each label are put in the section (section), be bundled in a transport stream (TS:Transport Stream) bag and broadcast, the data of different labels are independent of each other in packing tissue and transmission course.In addition, the business of carrying label data can send in a plurality of transport stream, comprise identical label data in each business, the terminal of digital television system can be received the label data that label television system 14 sends at digital television business in current transport stream and other transport stream in a road sign is signed data service.Such as program making label data to A, two digital channels of B, though A, B two-way TV programme are different transport stream, but two label datas describing respectively at A channel and B channel can send with one road TS stream, terminal is signed in the data service at a road sign received.And at any time, send two labels at most simultaneously at a business, and the end of current event and the beginning of next incident are described respectively, guarantee like this to send more state information of event with very little bandwidth.So that 20 transport stream to be arranged in the network, 10 professional calculating of bag in each transport stream, intactly define the label of all incidents of playing and being about to play of a certain moment in 200 business, the data volume that needs 30080 bits uses the bandwidth of 31Kbps in 1 second these label datas transmissions to be finished.So significantly reduce volume of transmitted data and improved efficiency of transmission.
According to one embodiment of the invention, this label television system comprises that also at least one action is provided with unit (figure does not show), this action is provided with the unit can be contained in label editing unit 141, be used in a kind of data of label definition, these data are used to notify terminal to begin or carry out the finish time corresponding action in the Digital Television incident.For example, if the terminal use of digital television system does not want to watch a certain incident (for example advertisement) in the program stream of code stream playing device transmission, then can trigger corresponding action the unit is set by terminal operation (for example importing certain button), as the application data switch unit, begin or when the last incident of this incident finishes in this incident, switch to application data, the application data here can be the code stream that operator issues voluntarily, for example picture, literal, audio frequency, video etc.For another example, if the terminal use of digital television system wishes to record certain incident (for example film), this incident may be that the code stream playing device issues, also may local operator issue, then can trigger corresponding action the unit is set by terminal operation (for example importing certain button), as recording elements, begin or when the last incident of this incident finishes, begin to record action in this incident.
According to one embodiment of the invention, this label television system also comprises a comprehensive correction value generation unit (figure does not show), this comprehensive correction value generation unit can be contained in label editing unit 141, be used for taking all factors into consideration incident broadcast time-delay, business data flow is at the transmission equipment of digital television system and the transmission delay in the digital TV network, label data is behind the combined influence of the transmission equipment of digital television system and the factors such as transmission delay in the digital TV network, generate comprehensive correction value Δ t, broadcast start-stop shift time value with the correction incident, also promptly revise basic shift time Δ T, obtain a more accurate and shift time accurately.For example, if the basic shift time of the state-event before considering comprehensive correction value is Δ T, considered that then the shift time that draws after the comprehensive above-mentioned multinomial influencing factor is Δ T+ Δ t.
In other words, the shift time of label is obtained by basic shift time and the addition of correction shift time.Basic shift time is the deviant that calculates according to metastable objective factors such as program broadcasting time, label transmitting times.Revising shift time is an experience correction value that draws after the influence of combined factors such as equipment, network having considered, uses this experience correction value that basic shift time is revised, thereby draws label shift time accurately.
According to another embodiment of the present invention, this label television system comprises that also file data packaged unit 144 and data broadcasting broadcast unit 145, wherein:
File data packaged unit 144, be used for application data with operator oneself making or editor, perhaps the required application data of the terminal applies of digital television system is packaged as the file of transport stream format, send to data broadcasting broadcast unit 145 and broadcast away, the application data here can be picture, literal, audio frequency, video etc.
Data broadcasting broadcasts unit 145, is coupled with described multiplexer 13, is used to receive the file that described file data packaged unit 144 generates, and this document is multiplexed in the digital TV network by described multiplexer 13 sends.
According to another embodiment of the present invention, this label television system also comprises memory cell 146, this memory cell 146 can be respectively be coupled with label editing unit, label unit and file data packaged unit, be used to store transport stream, channel information, programme information, label information, relevant journal file etc., for example the schedule information of Digital Television incident.In addition, this memory cell 16 can also be stored the application data of the own editing of operator, as (for example local advertisings) such as picture, literal, audio frequency, videos, offers file data packaged unit 144 processing of packing.
Need to prove, for the terminal that makes digital television system can in time respond label, can also in digital television system, set up a code stream delayer 12, this code stream delayer is connected between code stream playing device 11 and the multiplexer 13, so that the transport stream of described code stream playing device transmission is broadcasted in time-delay.
The foregoing description is the label television system that is used to describe the Digital Television state-event provided by the invention, the present invention also provides a kind of describing method of Digital Television state-event, be applied to digital television system, the Digital Television state-event of the digital television code stream that the code stream playing device of accurate description digital television system is issued, please refer to system configuration sketch shown in Figure 2 and flow chart shown in Figure 3, this method comprises the following steps:
The code stream playing device sends program stream, is transferred to terminal by delayer, multiplexer etc.;
The label editing unit of label television system of the present invention broadcasts information according to the incident of the described program stream that obtains from certain channel, calculate the basic shift time that each state-event changes, use this basic shift time to describe the beginning and ending time that described each incident is broadcasted, entrained time data when the label that generates each incident sends, and this label sent to the unit that labels;
The state-event of the program stream that the unit sends according to described code stream playing device of labelling changes, and the described label of this incident correspondence is changed sending to label data constantly and broadcast the unit at this state-event;
Label data broadcasts the unit and receives described label, is packaged as the transformat of appointment, sends to described multiplexer;
Multiplexer receives the label data of this incident of the incident of program stream of code stream playing device transmission and the transmission of label television system, and both are issued to terminal together, in time label data is responded for terminal.
In order to describe the Digital Television state-event exactly, method of the present invention can also comprise a step of revising basic shift time, promptly in an experience correction value of having considered to draw after the influence of combined factors such as equipment, network, use this experience correction value that basic shift time is revised, thereby draw label shift time accurately.
In addition, the describing method of Digital Television state-event of the present invention can also define the notice terminal begins or carry out the finish time corresponding action in the Digital Television incident data in label, as switch to application data, begin to record or the like, think that terminal provides more applications.In order to describe the Digital Television state-event better and to cooperate terminal applies, this method has also increased a storing step, be used to store transport stream, channel information, programme information, label information, relevant journal file etc., as store the broadcast information of Digital Television incident, so that calculate the basic shift time that state-event changes according to this, use this basic shift time to describe the beginning and ending time that incident is broadcasted, entrained time data when generating label and sending; Store some application datas for another example, so that use this application data according to the request of terminal.The transmission of above-mentioned application data is to be packaged as the file of transport stream format and to send to multiplexer by data broadcasting broadcast unit by the file data packaged unit to send out.
In order to make the terminal label that comprises time data of the corresponding program stream that issued of response label television system of the present invention in time, the describing method of Digital Television state-event of the present invention has also increased by one and has postponed step, broadcast the program stream that the code stream playing device issues by the time-delay of code stream delayer, achieve the above object.
In a word, label television system provided by the invention and Digital Television event description method, by in digital TV transmission stream, inserting the description of label data realization to digital TV event state, its distinctive state-event determination methods, state-event describing method and data transmission method for uplink can ensure the state of notifying terminal numeral TV event timely and accurately, in the deficiency that has overcome electronic program guidance system aspect state-event accuracy and the real-time, and the state information of event that provides based on label data, can fast and accurately state-event be sent to terminal, can realize the application higher in terminal to the state information of event accuracy requirement.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. a label television system of describing the Digital Television state-event is applied to digital television system, and this digital television system comprises code stream playing device and multiplexer, it is characterized in that, described label television system comprises:
The label editing unit, the state-event that is used for showing according to program stream changes, calculate the basic shift time that state-event changes, use this basic shift time to describe the beginning and ending time that the Digital Television incident is broadcasted, entrained time data when generating label and sending;
The unit labels, be coupled respectively with described code stream playing device and label editing unit, be used for state-event variation, the described label that carries time data is sent constantly in the state variation of described Digital Television incident according to the program stream of code stream playing device transmission;
Label data broadcasts the unit, is coupled with described multiplexer, is used to receive the described label that carries time data, and is packaged as the given transmission form, sends by described multiplexer.
2. label television system according to claim 1, it is characterized in that, described label editing unit comprises that also at least one action is provided with the unit, is used for beginning or carrying out the finish time in the Digital Television incident in label definition notice terminal the data of corresponding action.
3. label television system according to claim 2 is characterized in that it is the application data switch unit that described action is provided with the unit, is used for switching to application data according to the input of the terminal of digital television system the finish time in the Digital Television incident.
4. label television system according to claim 2 is characterized in that it is recording elements that described action is provided with the unit, is used for beginning to record action according to the input of the terminal of digital television system the zero hour in the Digital Television incident.
5. label television system according to claim 1 is characterized in that, described label editing unit also comprises a comprehensive correction value generation unit, is used for generating comprehensive correction value to revise described basic shift time according to the influence of equipment, network factors.
6. label television system according to claim 1 is characterized in that, this label television system also comprises:
Memory cell is coupled respectively with the described label editing unit and the unit that labels, and is used for the broadcast information and or the application data of storage tags daily record, Digital Television incident.
7. label television system according to claim 6 is characterized in that, this label television system also comprises:
The file data packaged unit is coupled with described memory cell, is used for application data is packaged as the file of transport stream format;
Data broadcasting broadcasts the unit, is coupled with described multiplexer, is used for the file that described file data packaged unit generates is sent by described multiplexer.
8. label television system according to claim 1 is characterized in that, described digital television system also comprises:
The code stream delayer is coupled with described code stream playing device and described multiplexer, is used to delay time broadcast the transport stream of described code stream playing device transmission, so that the described label of time data is carried in the response in time of the terminal of digital television system.
9. the describing method of a Digital Television state-event is characterized in that, this method comprises the following steps:
The label editing unit changes according to the state-event that program stream shows, calculates the basic shift time that state-event changes, and uses this basic shift time to describe the beginning and ending time that events corresponding is broadcasted, entrained time data when generating label and sending;
The unit that labels changes according to the state-event of the program stream of code stream playing device transmission, and the label that carries time data of this incident correspondence is sent constantly in the state variation of this incident;
Label data broadcast unit is packaged as the given transmission form with the described label that carries time data and transmits by multiplexer.
10. method according to claim 9 is characterized in that this method also comprises the following steps:
Definition notice terminal begins or carries out the finish time data of corresponding action in the Digital Television incident in described label.
11. method according to claim 10 is characterized in that, described action is for switching to application data, and then this method comprises the following steps:
According to the request that switches to application data of the terminal of digital television system, switch to application data the finish time in the Digital Television incident.
12. method according to claim 10 is characterized in that, described action is recorded for beginning, and then this method comprises the following steps:
According to the recording request of the terminal of digital television system, begin to record action the zero hour in the Digital Television incident.
13. method according to claim 9 is characterized in that, this method also comprises the following steps:
Influence according to equipment, network factors generates comprehensive correction value to revise described basic shift time.
14. method according to claim 9 is characterized in that, this method also comprises the following steps:
The broadcast information of storage Digital Television incident so that calculate the basic shift time that state-event changes according to this, uses this basic shift time to describe the beginning and ending time that incident is broadcasted, entrained time data when generating label and sending; And or
Storing applied data is so that use this application data according to the request of terminal.
15. method according to claim 14 is characterized in that, this method also comprises the following steps:
The file data packaged unit is packaged as described application data the file of transport stream format and broadcasts the unit by data broadcasting and sends to multiplexer.
16. method according to claim 14 is characterized in that, this method also comprises the following steps:
Time-delay is broadcasted the program stream of code stream playing device transmission to multiplexer, so that the terminal of digital television system in time responds the described label that carries time data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101761461A CN101420622B (en) | 2007-10-22 | 2007-10-22 | Labeled television system for describing affair state of digital television set and describing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101761461A CN101420622B (en) | 2007-10-22 | 2007-10-22 | Labeled television system for describing affair state of digital television set and describing method |
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| CN101420622A CN101420622A (en) | 2009-04-29 |
| CN101420622B true CN101420622B (en) | 2010-07-14 |
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| CN2007101761461A Expired - Fee Related CN101420622B (en) | 2007-10-22 | 2007-10-22 | Labeled television system for describing affair state of digital television set and describing method |
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| CN105554532A (en) * | 2016-02-15 | 2016-05-04 | 北京中传数广技术有限公司 | Method and system for precisely putting advertisements and information in live TV |
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| CN1513266A (en) * | 2001-06-05 | 2004-07-14 | �ʼҷ����ֵ�������˾ | Method and apparatus for time shifting of broadcast content that has synchronized web content |
| CN1571496A (en) * | 1998-07-30 | 2005-01-26 | 提维股份有限公司 | Multimedia time warping system |
| CN1674660A (en) * | 1999-09-20 | 2005-09-28 | 提维股份有限公司 | Closed caption tagging system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1571496A (en) * | 1998-07-30 | 2005-01-26 | 提维股份有限公司 | Multimedia time warping system |
| EP1049336A2 (en) * | 1999-04-26 | 2000-11-02 | Sarnoff Corporation | Establishing a datapipe in a video stream |
| EP1076461A1 (en) * | 1999-08-13 | 2001-02-14 | THOMSON multimedia | Process and device for synchronizing an MPEG decoder |
| CN1674660A (en) * | 1999-09-20 | 2005-09-28 | 提维股份有限公司 | Closed caption tagging system |
| CN1513266A (en) * | 2001-06-05 | 2004-07-14 | �ʼҷ����ֵ�������˾ | Method and apparatus for time shifting of broadcast content that has synchronized web content |
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Owner name: BEIJING YONGXIN AS BO DIGITAL TV TECHNOLOGY CO., L Free format text: FORMER NAME: BEIJING NOVEL-TONGFANG DIGITAL TV TECHNOLOGY CO., LTD. |
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Address after: 100085 Haidian District, East Road, No. 5, Jing Meng hi tech building, block B, floor, block 4, Beijing Patentee after: Beijing Novel-SuperTV Digital TV Technology Co., Ltd. Address before: 100085 Haidian District, East Road, No. 5, Jing Meng hi tech building, block B, floor, block 4, Beijing Patentee before: Beijing Novel-Tongfang Digital TV Technology Co., Ltd. |
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Granted publication date: 20100714 Termination date: 20171022 |