CN100420268C - Message informing method and system for substituting traditional caption technology - Google Patents
Message informing method and system for substituting traditional caption technology Download PDFInfo
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- CN100420268C CN100420268C CNB2006100287187A CN200610028718A CN100420268C CN 100420268 C CN100420268 C CN 100420268C CN B2006100287187 A CNB2006100287187 A CN B2006100287187A CN 200610028718 A CN200610028718 A CN 200610028718A CN 100420268 C CN100420268 C CN 100420268C
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Abstract
The schemes comprises: a data broadcasting process and data receiving process by set-top box. The data broadcasting process comprises: generating messages; copying the messages; defining the parameters and priority for each field in each message; in the broadcast cycle, sequencing all messages, and selecting a message with the highest priority to send out; and meanwhile, lowing the priority of the message to be sent out, until a new message arrives at or be cleared due to overtime. The data receiving process by set-top box comprises: setting a certain field parameter as filter condition; when the set-top box detects the variation of certain parameter field in bit-stream, it receives the message but not displays it; the set-top box decides if the message will be displayed; if yes, entering the next step; otherwise, not displaying the message; ending the receiving the process; resolving and displaying the next parameters.
Description
Technical field
The present invention relates to the DVB technical field, relate in particular to a kind of message informing method and system of alternative traditional caption machine.
Background technology
Existing DVB digital television system requires the user also can watch the captions message that shows simultaneously when watching video, so just can bring valued added applications more widely for operator.General such captions message can be divided into two types of announcement message and personal messages, announcement message is the message that all set-top box can both receive, for example the announcement message that produces of application systems such as the emergency warning system developed of operator, rolling news system, advertisement.Personal messages is the message that the set-top box of some appointment just receives.Traditional film titler can only be handled local captions and show, and can't satisfy the needs of above-mentioned message informing.
Summary of the invention
The objective of the invention is to address the above problem, a kind of message informing method and system of alternative traditional caption machine are provided, it makes the user can initiatively watch up-to-date message in the process of TV reception, support announcement message and personal messages, its realization with low cost, the number of support of channel is unrestricted.
Technical scheme of the present invention is: a kind of message informing method of alternative traditional caption technology, and wherein, described method comprises that data broadcast a process and a set-top box receiving course,
Described data playback process comprises:
(1.1) generate a piece of news;
(1.2) duplicate described message, define first field parameter, second field parameter, the 3rd field parameter and the priority of every message, the first field parameter value of duplicating every the message in back is all identical, and the second field parameter value is all inequality;
(1.3) broadcasting in the cycle each time, all message are sorted, taking out the highest message of at least one priority and broadcast with the form of transport stream, the priority that reduces the message broadcast is away simultaneously broadcast in order to preparing next time;
(1.4) constantly repeating step (1.3) up to new information arrive or original message by expired cleaning; Described set-top box receiving course comprises:
(2.1) with second field parameter and the 3rd field parameter as filtercondition, when set-top box detects the message that the second identical field parameter value is arranged in the transport stream, and its corresponding the 3rd field parameter value is when changing, and receives described message but do not show;
(2.2) set-top box judges whether described reception message is the new information that did not show, if then enter next step, otherwise no longer show described reception message, the receiving course termination;
(2.3) resolve described reception message subsequent parameter, on the assigned address of screen, show.
The message informing method of above-mentioned alternative traditional caption technology, wherein, in the step (2.2), set-top box is preserved the first field parameter value of broadcasting message, whether the first field parameter value of judging follow-up reception message is greater than save value, if represent that then described reception message is the new information that did not show, otherwise represent that described reception message is the message that had shown.
The message informing method of above-mentioned alternative traditional caption technology, wherein, the subsequent parameter in the step (2.3) comprises displaying contents, display position, rotating direction, rolling duration, foreground color, background color.
The message informing method of above-mentioned alternative traditional caption technology, wherein, described message is announcement message, broadcasts to all set-top box.
The message informing method of above-mentioned alternative traditional caption technology, wherein, described first field parameter is the message identifier field, in order to the sequencing of labeled message, described second field parameter is the service identifiers field, and described the 3rd field parameter is version number's identification field.
The message informing method of above-mentioned alternative traditional caption technology, wherein, described message is personal messages, broadcasts the set-top box to appointment.
The message informing method of above-mentioned alternative traditional caption technology, wherein, described first field parameter is the message identifier field, sequencing in order to labeled message, described second field parameter is service identifiers field and number of set-top box identification field, and described the 3rd field parameter is version number's identification field.
The message informing method of above-mentioned alternative traditional caption technology, wherein, described number of set-top box identification field is 16 binary-coded decimals.
A kind of message informing system of alternative traditional caption technology, wherein, described system comprises:
The external data sources maker is used to generate announcement message or personal messages;
Data interface server is used to receive the message of described external data sources maker and filters and format conversion;
Central database is used for the message after storage format is changed;
Message is broadcast module, first field parameter, second field parameter and the 3rd field parameter and the priority of every message in definition and the default central database, and broadcast the filtercondition when wherein this second field parameter and the 3rd field parameter are as message sink with the order of broadcasting of prioritization;
Data server receives described message and broadcasts the message that module is broadcast, and broadcasts after it is packaged into the form of transport stream.
The present invention contrasts prior art following beneficial effect: method and system of the present invention has defined the section form of announcement message and personal messages, announcement message and personal messages are converted to the data of section form, and to the pre-setting priority of all section, utilize the height of priority to sort, broadcast.It can automatic reception, broadcast, the automatic roll screen of set-top box shows instant message, not only possesses the function of notice, also supports personalized message informing.
Description of drawings
Fig. 1 is the flow chart that announcement message Notification Method embodiment data of the present invention are broadcast process.
Fig. 2 is the flow chart of announcement message Notification Method embodiment set-top box receiving course of the present invention.
Fig. 3 is the flow chart that personal messages Notification Method embodiment data of the present invention are broadcast process.
Fig. 4 is the flow chart of personal messages Notification Method embodiment set-top box receiving course of the present invention.
Fig. 5 is the block diagram of message informing system embodiment of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
First embodiment is broadcasting and receiving handling method of announcement message notice.Announcement message is used to broadcast the set-top box to all, standard captions for example, and operator can issue up-to-date message, and all set-top box users are notified in advertisement.Fig. 1 shows the data of announcement message notice and broadcasts process, sees also Fig. 1, is the detailed description of these data being broadcast flow process below.
Step S11: generate announcement message.Can generate by a client software, in message informing of the present invention system, finish this operation by the external data sources maker.
Step S12: duplicate this announcement message.The quantity of duplicating is decided on the quantity of the video channel of definition in the epg database.For example, epg database has defined 100 video channels, and this announcement message will be copied into 100 announcement message simultaneously.
Step S13: message identifier (MessageID) field value, service identifiers (ServiceID) field value and the priority that define every announcement message.Wherein the MessageID field value of every announcement message all is identical, unique different be the ServiceID field value, represent that each channel all can have an announcement message, the priority of each bar announcement message all is made as the predefined value of system.
Step S14: once broadcasting in the cycle, all announcement message just sort by current priority.
Step S15: take out the highest n bar announcement message of priority, be transferred to data server (DS) and broadcast.Wherein quantity n is defined by broadcasting system.For example, 20 message are only broadcast in the broadcasting system definition at every turn, and the cycle of then at every turn broadcasting also takes out 20 the highest announcement message of priority and is transferred to DS.
Step S16: announcement message is when broadcasting, and its priority is from subtracting 1, prepares broadcasting next time.
Step S17: judge whether that new announcement message arrives or original announcement message has not by expired cleaning.If no, then go to step S14, otherwise data are broadcast end.
Fig. 2 shows the flow process that set-top box receives data.Seeing also Fig. 2, is the description that set-top box is received the flow process of announcement message below.
Step S21: the announcement message that identical ServiceID is arranged in detected transmission (TS) stream.
Step S22: detect version number (VersionNumber) identification field of this announcement message simultaneously, as long as this VersionNumber one changes, set-top box just receives this announcement message.Can design a filter, its filtercondition is the combination of ServiceID and VersionNumber.
Step S23: set-top box obtains the MessageID value of this announcement message, judges that whether this value is greater than the MessageID value of preserving.If, illustrate that then this message is new information, change step S24 over to, otherwise illustrate that this message showed, went to step S25.
Step S24: resolve follow-up parameter, in the assigned address demonstration announcement message of screen.Parameter defines in announcement message class section.These subsequent parameter comprise command type, announcement message length, display mode, display position, rotating direction, demonstration duration, display foreground, display background, announcement message type, information byte and check field etc.
Step S25: no longer show this announcement message.
Second embodiment is broadcasting and receiving handling method of personal messages notice, and personal messages is used to broadcast the set-top box to appointment.Fig. 3 shows the data of personal messages notice and broadcasts process.See also Fig. 3, it is consistent that its step and the data of announcement message are broadcast process, just in step S33, also need define a number of set-top box (StbNo) identification field, and expression receives personal messages at certain set-top box.In the present embodiment, number of set-top box is 16 a binary-coded decimal, the number of set-top box character representation of 0-9, so it can represent to be up to 16 number.
Fig. 4 shows the set-top box receiving course of personal messages.See also Fig. 4, its step is consistent with the set-top box receiving course of announcement message.Just in step S41, need to have in detected transmission (TS) stream personal messages of identical ServiceID and StbNo.Among the step S44, the subsequent parameter of personal messages comprises command type, videotex length, display mode, display position, rotating direction, demonstration duration, display foreground, display background, text and check field etc.
Fig. 5 shows the architecture of message informing system embodiment of the present invention.As shown in Figure 5, native system comprises that external data sources maker 51, data interface server 52, central database 53, message broadcasts module 54 and data server 55.Wherein, external data sources maker 51 is used to generate announcement message or personal messages, data interface server 52 is used to receive the message of external data sources maker 51 and filters and format conversion, central database 53 is used to store the message after data interface server 52 format conversion, message broadcasts that module 54 is used for defining and the message parameter of every message of default central database 53, comprise first field parameter, second field parameter and the 3rd field parameter and priority, can adopt regularly inquiry mechanism, from central database 53, inquire about message to be broadcast every some seconds (configurable), and with prioritization broadcast the order broadcast, wherein second field parameter and the 3rd field parameter can be used as the filtercondition in the message sink process.Data server 55 receives message and broadcasts the message that module 54 is broadcast, and broadcasts after it is packaged into the form of transport stream.
The foregoing description provides to being familiar with the person in the art and realizes or use of the present invention; being familiar with those of ordinary skill in the art can be under the situation that does not break away from invention thought of the present invention; the foregoing description is made various modifications or variation; thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (9)
1. the message informing method of an alternative traditional caption technology is characterized in that, described method comprises that data broadcast a process and a set-top box receiving course,
Described data playback process comprises:
(1.1) generate a piece of news;
(1.2) duplicate described message, define first field parameter, second field parameter, the 3rd field parameter and the priority of every message, the first field parameter value of duplicating every the message in back is all identical, and the second field parameter value is all inequality;
(1.3) broadcasting in the cycle each time, all message are sorted, taking out the highest message of at least one priority and broadcast with the form of transport stream, the priority that reduces the message broadcast is away simultaneously broadcast in order to preparing next time;
(1.4) constantly repeating step (1.3) up to new information arrive or original message by expired cleaning; Described set-top box receiving course comprises:
(2.1) with second field parameter and the 3rd field parameter as filtercondition, when set-top box detects the message that the second identical field parameter value is arranged in the transport stream, and its corresponding the 3rd field parameter value is when changing, and receives described message but do not show;
(2.2) set-top box judges whether described reception message is the new information that did not show, if then enter next step, otherwise no longer show described reception message, the receiving course termination;
(2.3) resolve described reception message subsequent parameter, on the assigned address of screen, show.
2. the message informing method of alternative traditional caption technology according to claim 1, it is characterized in that, in the step (2.2), set-top box is preserved the first field parameter value of broadcasting message, whether the first field parameter value of judging follow-up reception message is greater than save value, if represent that then described reception message is the new information that did not show, otherwise represent that described reception message is the message that had shown.
3. the message informing method of alternative traditional caption technology according to claim 2 is characterized in that, the subsequent parameter in the step (2.3) comprises displaying contents, display position, rotating direction, rolling duration, foreground color, background color.
4. the message informing method of alternative traditional caption technology according to claim 3 is characterized in that, described message is announcement message, broadcasts to all set-top box.
5. the message informing method of alternative traditional caption technology according to claim 4, it is characterized in that, described first field parameter is the message identifier field, sequencing in order to labeled message, described second field parameter is the service identifiers field, and described the 3rd field parameter is version number's identification field.
6. the message informing method of alternative traditional caption technology according to claim 3 is characterized in that, described message is personal messages, broadcasts the set-top box to appointment.
7. the message informing method of alternative traditional caption technology according to claim 6, it is characterized in that, described first field parameter is the message identifier field, sequencing in order to labeled message, described second field parameter is service identifiers field and number of set-top box identification field, and described the 3rd field parameter is version number's identification field.
8. the message informing method of alternative traditional caption technology according to claim 7 is characterized in that, described number of set-top box identification field is 16 binary-coded decimals.
9. the message informing system of an alternative traditional caption technology is characterized in that, described system comprises:
The external data sources maker is used to generate announcement message or personal messages;
Data interface server is used to receive the message of described external data sources maker and filters and format conversion;
Central database is used for the message after storage format is changed;
Message is broadcast module, first field parameter, second field parameter and the 3rd field parameter and the priority of every message in definition and the default central database, and broadcast the filtercondition when wherein this second field parameter and the 3rd field parameter are as message sink with the order of broadcasting of prioritization;
Data server receives described message and broadcasts the message that module is broadcast, and broadcasts after it is packaged into the form of transport stream.
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| CNB2006100287187A CN100420268C (en) | 2006-07-07 | 2006-07-07 | Message informing method and system for substituting traditional caption technology |
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| CNB2006100287187A CN100420268C (en) | 2006-07-07 | 2006-07-07 | Message informing method and system for substituting traditional caption technology |
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| CN100420268C true CN100420268C (en) | 2008-09-17 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101594294B (en) * | 2008-05-29 | 2011-12-21 | 北京视博数字电视科技有限公司 | Method for transmitting authorization information and conditional access system front-end thereof |
| CN101883237B (en) * | 2010-06-22 | 2012-08-22 | 武汉东太信息产业有限公司 | Roll titles control method based on digital television STB (Set Top Box) |
| CN102419742A (en) * | 2010-09-27 | 2012-04-18 | 汉王科技股份有限公司 | Subtitle processing method and device applied to electronic equipment |
| CN103034654B (en) * | 2011-10-10 | 2016-06-15 | 中国电信股份有限公司 | Socialization dynamic message presents control method and system |
| CN103248551A (en) * | 2012-02-03 | 2013-08-14 | 腾讯科技（深圳）有限公司 | Information presentation method and system |
| CN103607627B (en) * | 2013-11-22 | 2017-12-08 | 乐视致新电子科技（天津）有限公司 | A kind of acquisition methods of message, device and intelligent television |
| CN104125514A (en) * | 2014-06-27 | 2014-10-29 | 深圳市九洲电器有限公司 | Message distribution processing method, message distribution processing device and audio/video terminal |
| US10616145B2 (en) * | 2016-06-30 | 2020-04-07 | Microsoft Technology Licensing, Llc | Message grouping and relevance |
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| CN1294797A (en) * | 1999-05-28 | 2001-05-09 | 松下电器产业株式会社 | Broadcasting system |
| US20030046162A1 (en) * | 2001-06-08 | 2003-03-06 | Nestel William Charles | Private advertising, entertainment and informational digital networks for out-of-home and outdoor venues |
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| CN1214132A (en) * | 1996-01-23 | 1999-04-14 | 埃伊姆株式会社 | Information display system |
| CN1136249A (en) * | 1996-01-25 | 1996-11-20 | 北京新达网络***有限公司 | Real time broadcasting method and transmitting and receiving system for radio image and code information |
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| US20030046162A1 (en) * | 2001-06-08 | 2003-03-06 | Nestel William Charles | Private advertising, entertainment and informational digital networks for out-of-home and outdoor venues |
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Assignee: Tin Pak broadband network technology (Suzhou) Co., Ltd. Assignor: Tianqu Broadband Network Technology (Shanghai) Co., Ltd. Contract fulfillment period: 2008.9.17 to 2014.9.16 Contract record no.: 2009310000019 Denomination of invention: Message informing method and system for substituting traditional caption technology Granted publication date: 20080917 License type: Exclusive license Record date: 20090310 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.17 TO 2014.9.16; CHANGE OF CONTRACT Name of requester: DIGITAL VIDEO NETWORKS COMPANY LTD Effective date: 20090310 |
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