CN100479538C - An implementation method for current and next program information in mobile multimedia broadcasting service - Google Patents
An implementation method for current and next program information in mobile multimedia broadcasting service Download PDFInfo
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- CN100479538C CN100479538C CNB2006101574259A CN200610157425A CN100479538C CN 100479538 C CN100479538 C CN 100479538C CN B2006101574259 A CNB2006101574259 A CN B2006101574259A CN 200610157425 A CN200610157425 A CN 200610157425A CN 100479538 C CN100479538 C CN 100479538C
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Abstract
This invention discloses one method for mobile multi-media broadcast business current and next programs, which comprises the following steps: a, mobile front terminal ESG generator timely extracts multi-media business channel from ESG servo with P/F information to multiplex with the business on certain sub frame composed of data section and with above P/F information sealed into data section; b, multiplex sends the multi-media business by multiplex frame to terminal; c, terminal receives multi-media business to analyze P/F information from sub frame and displaying the information into terminal screen.
Description
Technical field
The present invention relates to the communications field, Mobile Multimedia Broadcasting (CMMB) field particularly, the implementation method of current and next program information (Present/Following information is called for short P/F information) in e commerce transactions (perhaps program) guide.
Background technology
Mobile multi-media broadcasting service (being mobile TV again) has multiple realization technology, multimedia broadcast multicast (MBMS based on mobile communications network is arranged, Multimedia Broadcast MulticastService), broadcasting and multicast (BCMCS, Broadcast and Multicast Service), stream media technology, also have based on radio network (received terrestrial digital broadcasting, satellite digital broadcasting) technology, for example (the digital video broadcast-handheld formula receives Ou Zhou DVB-H: Digital Video BroadcastHandheld), Media Forward Link Only) and the CMMB of China (China Mobile multimedia broadcasting: China Mobile Multimedia Broadcast) etc., also have the application layer ancillary technique MediaFLO of the U.S. (the single forward link of medium:.Mobile multi-media service based on radio network has advantages such as availability of frequency spectrum height, capacity is big, construction cost is relatively low, the audient is wide, is used widely.
The mobile media broadcasting network user is when using mobile multi-media service, by electron service instruction (being called for short ESG) or electronic program guides navigation, understand the relevant information (comprising Business Name, reproduction time, content outline, price etc.) of mobile multi-media broadcasting service, and realize quick retrieval, preview and visit business.ESG is for user's TV reception and enjoy information service a good navigation mechanism is provided, and makes the user can find the program of own care, the additional information of checking program quickly and easily.When watching program or service switchover/channel, often need a kind of method and understand the in progress program content information of current business/channel (such as time started, theme, duration etc.) fast, and the next time period is play any program content information; When system has adjusted current slot or follow-up time section program a certain moment, also need in time to notify the user simultaneously.
The invention provides in a kind of mobile multimedia broadcast system, the user is in watching program or service switchover/channel process, the information of the present broadcast program of current business/channel and the method for next program information are provided fast, the instant adjusted programme information of reporting system improves the experience that the user uses multi-media broadcasting service to the user.
Summary of the invention
The technical problem to be solved in the present invention just provides in a kind of mobile media broadcasting network, the user is in the switching channels process or when watching program, the information and next program information (the Present/Following information of the present broadcast program of current business/channel are provided fast, abbreviation P/F information) method is improved the experience that the user uses multi-media broadcasting service.
In order to solve the problems of the technologies described above, the invention provides the implementation method of current and next program information in a kind of mobile multi-media broadcasting service, comprise the steps:
(1) mobile multimedia system front end ESG generator regularly extracts the P/F message transmission of multimedia service channel to multiplexer from the ESG server, described multimedia service takies a multiplexed sub frame, described multiplexed sub frame contains data segment, above-mentioned P/F information is encapsulated in the data segment, and described P/F information comprises programm name, time started, duration;
(2) the multiplexer multimedia service that will contain P/F information sends to terminal with the multiplexed frame form;
(3) terminal receives multimedia service, parses P/F information from multiplexed sub frame, and P/F information is presented in the terminal screen.
The method according to this invention, step (3) comprises that further terminal parses data cell from the multiplexed sub frame that receives, judge whether to have the data cell of P/F information, if have, then directly parse the P/F information in the current data unit, be presented on the terminal screen; If no, Promgramming table, the contents table of then searching for local ESG are configured to P/F information with the relevant information that obtains current business/channel, are presented on the terminal screen.
The method according to this invention, described P/F information is to identify by specific numerical value in data segment, to distinguish other data.
The method according to this invention, the data segment encapsulating structure of described P/F information is made up of data segment header and a plurality of data cell, described data segment header is described the parameter of each data cell, comprises the parameter of number of data units, data cell type, data unit length.
The method according to this invention, the P/F information of step (1) comprises the programme information of current program and follow-up at least one next program, and described programme information comprises time started, programm name, duration.
The method according to this invention, the P/F information of step (1) further comprises a record number that characterizes notebook data current program of unit band and next number of programs sum, if the record number is 2, then many notebook datas unit comprises current program information and next programme information, if the record number is greater than 2, then the notebook data unit comprises current program information and back continuous 2 or a plurality of programme information.
The method according to this invention, step (2) comprise that further P/F broadcasts to user terminal by broadcast channel on ground information cycle, or cross broadcast channel according to the needs IMU of operator and broadcast to user terminal.
The method according to this invention, step (3) further comprises, terminal uses the system time that obtains from mobile multimedia network to calibrate local zone time, the playing progress rate that uses the local zone time after the described calibration to show current program in conjunction with the program start time of P/F information and duration.
The method according to this invention, described multiplexed sub frame also comprises multiplexed sub frame head, video-frequency band, audio section, wherein, video data, voice data are encapsulated in respectively in video-frequency band, the audio section.
The method according to this invention, in the step (1), when the multi-media broadcasting system front end to current period of certain business/channel or next when the period, program had adjustment, ESG server notification ESG generator initiatively issues P/F information, at this moment, terminal detects network up-to-date P/F information is arranged by receiving renewal indication in the multiplexed sub frame head, directly parses the P/F information in the current data unit, is presented on the terminal screen.
Method of the present invention makes the user when using mobile multi-media broadcasting service, the information and the next program information of the present broadcast program of current business/channel are provided fast at switching channels or when watching program, improved user's experience greatly, be convenient to professional operation and carry out; Simultaneously in the multi-media broadcasting service experimental stage or carry out the initial stage, do not edit or issue under the situation of Promgramming table and can commence business preferably yet.
Description of drawings
Fig. 1 is that P/F information of the present invention is at CMMB multiplexed sub frame position view;
Fig. 2 is a CMMB data segment encapsulating structure schematic diagram of the present invention;
Fig. 3 is a P/F information data unit package example schematic of the present invention;
Fig. 4 is P/F message transmission of the present invention and handles schematic diagram.
Embodiment
The present invention is described in detail below in conjunction with drawings and the specific embodiments.
The object of the present invention is to provide a kind of current program of mobile media broadcasting network mid band/connect the realization and the processing method of next programme information (P/F information), described method is divided into two steps: 1, the encapsulation of P/F information; 2, P/F transmission of Information and processing.Below these two steps are elaborated.
1, the encapsulation of P/F information
(1) as shown in Figure 1, in Mobile Multimedia Broadcasting (CMMB) system, in the business/channel of mobile multimedia network, each multimedia service takies a multiplexed sub frame, and multiplexed sub frame comprises multiplexed sub frame head, video-frequency band, audio section, data segment; Wherein, video data, voice data, P/F information are to be encapsulated in respectively in video-frequency band, audio section, the data segment, and wherein, P/F information is to identify by specific numerical value in data segment, to distinguish other data.Multiplexed sub frame is used to carry concrete multimedia broadcast business data and/or system data, forms multi-media broadcasting service, and these business are transferred to terminal by mobile media broadcasting network.
(2) as shown in Figure 2, the encapsulating structure of the data segment of P/F information is made up of data segment header and a plurality of data cell.Data segment header has been described the parameter of each data cell, comprises parameters such as number of data units, data cell type, data unit length; Wherein, the data cell type is for the different pieces of information of distinguishes data unit carrying, shown in definition list 1.
Table 1 data cell type
| Sign | The data cell type |
| 0 | ... |
| 1 | ESG P/F information |
| 2～63 | ... |
Wherein, the dtd of P/F information is " 1 ".
(3) as shown in Figure 3, P/F information is encapsulated in the data cell, its parameter that comprises is: record number: expression notebook data current program of unit band and next number of programs sum, default value is 2, expression notebook data unit only comprises two records, every current program information, next programme information represented respectively in record, if the record number, represents that the notebook data unit has comprised current program information and back continuous 2 or a plurality of programme information greater than 2; Time started: when the program of expression business/channel is from beginning to play; Programm name: the title of expression broadcast program content; Duration: the duration of expression program.
2, P/F transmission of Information and processing
As shown in Figure 4, be the schematic flow sheet of explanation P/F message transmission and processing.Below in conjunction with accompanying drawing 4 P/F message transmission of the present invention and handling process are described.
100: mobile multimedia system front end ESG generator regularly extracts the P/F message transmission of multimedia service channel to multiplexer from the ESG server, wherein, multimedia service takies a multiplexed sub frame, multiplexed sub frame comprises multiplexed sub frame head, video-frequency band, audio section, data segment, wherein, video data, voice data are encapsulated in respectively in video-frequency band, the audio section; The P/F information spinner of the business/channel of said extracted will comprise programm name, time started and the duration etc. of current programm name, time started, duration, next program, is that the P/F information format with above-mentioned steps 1 is encapsulated in the data segment of multiplexed sub frame.In an embodiment of the present invention, be to extract the P/F information of business channels from the ESG server every 2 seconds regular time.
110: multiplexer is configured to meet the multiplexed frame of CMMB network requirement with business information such as the P/F information of business/channel and voice data, video datas, sends to mobile multi-media terminal with the CMMB Web broadcast; The multimedia service of the above-mentioned P/F of containing information can be broadcast to user terminal by broadcast channel periodically, also can cross broadcast channel according to the needs IMU of operator and broadcast to user terminal.
200: when the user uses mobile multi-media service, switch to business/channel of desiring to watch, perhaps select " checking P/F information " feature operation, this moment, the mobile multi-media terminal application program was at the appointed time interior (consistent with the cycle of issuing, such as 2 seconds) parse data cell from the multiplexed sub frame that receives, judging whether to exist the data cell type is the data cell of " 1 " (expression is a P/F information) of a kind of definition of above-mentioned steps, if have, then directly parse the P/F information in the current data unit, be presented on user's mobile multi-media terminal screen; If no, Promgramming table that can be by searching for local ESG, contents table become P/F information with information structurings such as the relevant information that obtains current business/channel such as time started, programm name, duration, are presented on the user terminal screen.
In addition, terminal obtains system time from mobile multimedia network, use this system time to come the local zone time of calibrating terminal, and the playing progress rate that uses the local zone time after the calibration to show current program in conjunction with the program start time of the above-mentioned P/F information that from multiplexed sub frame, obtains and duration.
To above-mentioned steps 100, when the multi-media broadcasting system front end to current period of certain business/channel or next when the period, program had adjustment, the ESG server can notify the ESG generator initiatively to issue P/F information.At this moment, corresponding step 200 should be: terminal detects network up-to-date P/F information is arranged by receiving corresponding indication in the multiplexed sub frame head, directly parses the P/F information in the current data unit, is presented on the user terminal screen.
In sum, the method according to this invention, the user can be when service switchover/channel, and terminal inquires about at first in the data segment of multiplexed sub frame of formation current business/channel whether P/F information is arranged, and is presented at automatically on the terminal screen if having; If there is not the P/F information data in the data segment of the multiplexed sub frame of current business/channel, can in being kept at terminal local program layout table, contents table, retrieve relevant informations such as time started, content topic, duration, constitute the P/F information of current channel, be presented on the terminal screen automatically; The user also can be in watching the program process, by function menu active inquiry P/F information.P/F information in the data segment of the multiplexed sub frame of preferential inquiry formation current business/channel; If do not look into again in being kept at terminal local program layout table, contents table and retrieve relevant information, constitute the P/F information of current channel.
Here the present invention is described in detail by specific embodiment, provide the description of the foregoing description to make or be suitable for the present invention in order to make those skilled in the art, the various modifications of these embodiment are to understand easily for a person skilled in the art.The present invention is not limited to these examples, or some aspect wherein.Scope of the present invention is elaborated by additional claim.
Claims (10)
1. the implementation method of current and next program information in the mobile multi-media broadcasting service comprises the steps:
(1) mobile multimedia system front end ESG generator regularly extracts the P/F message transmission of multimedia service channel to multiplexer from the ESG server, described multimedia service takies a multiplexed sub frame, described multiplexed sub frame contains data segment, above-mentioned P/F information is encapsulated in the data segment, and described P/F information comprises programm name, time started, duration;
(2) the multiplexer multimedia service that will contain P/F information sends to terminal with the multiplexed frame form;
(3) terminal receives multimedia service, parses P/F information from multiplexed sub frame, and P/F information is presented in the terminal screen;
Wherein, P/F information refers to current and next program information, and ESG refers to electron service instruction.
2. the implementation method of current and next program information in the mobile multi-media broadcasting service according to claim 1, it is characterized in that: step (3) further comprises, terminal parses data cell from the multiplexed sub frame that receives, judge whether to have the data cell of P/F information, if have, then directly parse the P/F information in the current data unit, be presented on the terminal screen; If no, Promgramming table, the contents table of then searching for local ESG are configured to P/F information with the relevant information that obtains current business/channel, are presented on the terminal screen.
3. the implementation method of current and next program information in the mobile multi-media broadcasting service according to claim 1, it is characterized in that: described P/F information is to identify by specific numerical value in data segment, to distinguish other data.
4. the implementation method of current and next program information in the mobile multi-media broadcasting service according to claim 1, it is characterized in that: the data segment encapsulating structure of described P/F information is made up of data segment header and a plurality of data cell, described data segment header is described the parameter of each data cell, comprises the parameter of number of data units, data cell type, data unit length.
5. the implementation method of current and next program information in the mobile multi-media broadcasting service according to claim 1, it is characterized in that: the P/F information of step (1) comprises the programme information of current program and follow-up at least one next program, and described programme information comprises time started, programm name, duration.
6. the implementation method of current and next program information in the mobile multi-media broadcasting service according to claim 4, it is characterized in that: the P/F information of step (1) comprises that further characterizes the record number that each data cell has current program and next number of programs sum, if the record number is 2, then the notebook data unit comprises current program information and next programme information, if the record number is greater than 2, then the notebook data unit comprises current program information and back continuous 2 or a plurality of programme information.
7. the implementation method of current and next program information in the mobile multi-media broadcasting service according to claim 1, it is characterized in that: step (2) further comprises, P/F broadcasts to terminal by broadcast channel on ground information cycle, or crosses broadcast channel according to the needs IMU of operator and broadcast to terminal.
8. the implementation method of current and next program information in the mobile multi-media broadcasting service according to claim 1, it is characterized in that: step (3) further comprises, terminal uses the system time that obtains from mobile multimedia network to calibrate local zone time, the playing progress rate that uses the local zone time after the described calibration to show current program in conjunction with the program start time of P/F information and duration.
9. the implementation method of current and next program information in the mobile multi-media broadcasting service according to claim 1, it is characterized in that: described multiplexed sub frame also comprises multiplexed sub frame head, video-frequency band, audio section, wherein, video data, voice data are encapsulated in respectively in video-frequency band, the audio section.
10. the implementation method of current and next program information in the mobile multi-media broadcasting service according to claim 1, it is characterized in that: in the step (1), when the multi-media broadcasting system front end to current period of certain business/channel or next when the period, program had adjustment, ESG server notification ESG generator initiatively issues P/F information, in the step (3), terminal detects network up-to-date P/F information is arranged by receiving renewal indication in the multiplexed sub frame head, directly parse the P/F information in the current data unit, be presented on the terminal screen.
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| CN101005642B (en) * | 2007-01-08 | 2010-05-19 | 中兴通讯股份有限公司 | Transmitting method for program information of mobile multimedia broadcast system |
| CN101087390B (en) * | 2007-03-08 | 2010-12-08 | 中兴通讯股份有限公司 | An implementation method of prompt message of mobile multi-media broadcast program |
| WO2008106842A1 (en) * | 2007-03-08 | 2008-09-12 | Zte Corporation | An implement method for mobile multimedia broadcast program prompt information |
| CN101321293B (en) * | 2007-06-06 | 2010-08-18 | 中兴通讯股份有限公司 | Apparatus and method for implementing multi-path program multiplexing |
| CN101094454B (en) * | 2007-07-13 | 2011-10-26 | 中兴通讯股份有限公司 | Method of applying transmission value added service in mobile multimedia broadcast system |
| CN101426001B (en) * | 2007-10-30 | 2012-07-18 | 中兴通讯股份有限公司 | Method and system for webpage viewing by mobile multimedia data broadcast |
| CN102867525B (en) * | 2012-09-07 | 2016-01-13 | Tcl集团股份有限公司 | A kind of multichannel voice frequency disposal route, audio-frequency playing terminal and apparatus for receiving audio |
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