CN101087390B - An implementation method of prompt message of mobile multi-media broadcast program - Google Patents
An implementation method of prompt message of mobile multi-media broadcast program Download PDFInfo
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- CN101087390B CN101087390B CN2007101277064A CN200710127706A CN101087390B CN 101087390 B CN101087390 B CN 101087390B CN 2007101277064 A CN2007101277064 A CN 2007101277064A CN 200710127706 A CN200710127706 A CN 200710127706A CN 101087390 B CN101087390 B CN 101087390B
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Abstract
The invention discloses a realization method of mobile multimedia broadcast prompt information, it includes following steps: (1) mobile multimedia system front end obtains program prompt information of multimedia operation channel, said program prompt information is encapsulated in data section of multiplexed sub frame of multimedia operation, said program prompt information includes starting time, program name expressed in one or more languages, time of program; (2) multiplexer sends the multimedia operation which includes program prompt information to terminal in multiplex frame; (3) the terminal receives the multimedia operation, and parses program prompt information from multiplex sub frame, and the program prompt information is displayed on terminal screen. The method in the invention can make user use mobile multimedia broadcast operation; current operation/channel program prompt information can be provided quickly when channel is changed or looking at program, experience of user can be improved greatly, running and development of operation are convenient.
Description
Technical field
The present invention relates to the communications field, Mobile Multimedia Broadcasting (CMMB) field particularly, the implementation method of program prompt 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 Multicast Service), 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 Broadcast Handheld), the MediaFLO of the U.S. (the single forward link of medium: Media Forward Link Only), the ISDB-T of Japan (Integrated Services Digital Broadcasting-terrestrial transmission: Integrated Service Digital Broadcasting-Terrestrial) and the CMMB of China (China Mobile multimedia broadcasting: China Mobile Multimedia Broadcast) etc., application layer ancillary technique in addition.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 or channel, often need a kind of method and understand the in progress program content information of current business or channel (such as time started, theme, duration etc.) fast, and the next time period play what program content information, i.e. program prompt 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 or channel process, the method of the program prompt information of current business or channel is 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 of current business or the present broadcast program of channel and the method for next program information (program prompt information just) are provided fast, improve the experience that the user uses multi-media broadcasting service.
In order to solve the problems of the technologies described above, the invention provides a kind of implementation method of mobile multimedia broadcasting program message, comprise the steps:
(1) the ESG generator of mobile multimedia system front end is transferred to multiplexer from the program prompt information that the ESG server obtains the multimedia service channel, described program prompt information is encapsulated in the data segment of multiplexed sub frame at multimedia service place, described program prompt information comprises the time started, the programm name that multilingual is described, and program duration;
(2) the multiplexer multimedia service that will contain program prompt information sends to terminal with the multiplexed frame form;
(3) terminal receives multimedia service, parses program prompt information from multiplexed sub frame, and program prompt information is presented on 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, and whether the judgment data unit exists program prompt information, if the program prompt information that then directly parses in the current data unit is arranged, be presented on the terminal screen; Otherwise the Promgramming table and the contents table of searching for local ESG are configured to program prompt information with the relevant information that obtains current business or channel, are presented on the terminal screen.
The method according to this invention, the data segment encapsulating structure of described program prompt 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 and data unit length.
The method according to this invention, described program prompt information are to identify by the data cell type is provided with specific numerical value in data segment, to distinguish other data.
The method according to this invention, the program prompt information of step (1) encapsulate table mode or the XML mode of adopting in the data cell of data segment.The method according to this invention, the program prompt information of step (1) comprises the programme information of current program and the programme information of next program; If current program is last program of this channel, then program prompt information only comprises current program information; Described programme information comprises time started, programm name and duration.
The method according to this invention, the program prompt 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 the notebook data unit comprises current program information and next programme information; If the record number is 1, then the notebook data unit only comprises current program 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) comprises that further program prompt information is broadcast to terminal by broadcast channel periodically, or crosses broadcast channel according to the needs IMU of operator and broadcast to 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 program prompt information and duration.
The method according to this invention, described multiplexed sub frame also comprises multiplexed sub frame head, video-frequency band and audio section, and wherein, video data is encapsulated in the video-frequency band, and voice data is encapsulated in 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 or channel or next when the period, program had adjustment, front end initiatively issues program prompt information, at this moment, terminal directly parses the program prompt information in the current data unit by receiving renewal indication in the multiplexed sub frame and detect current business or channel having up-to-date program prompt information in step (3), is presented on the terminal screen.
Method of the present invention makes the user when using mobile multi-media broadcasting service, and the program prompt information of current business or channel is provided fast at switching channels or when watching program, has improved user's experience greatly, is convenient to professional operation and carries 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 program prompt 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 program prompt information data cell encapsulation example schematic of the present invention;
Fig. 4 is program prompt information 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 (program prompt information), described method is divided into two steps: 1, the encapsulation of program prompt information; 2, the transmission of program prompt information and processing.Below these two steps are elaborated.
1, the encapsulation of program prompt information
(1) as shown in Figure 1, in Mobile Multimedia Broadcasting (CMMB) system, in the business or channel of mobile multimedia network, each multimedia service takies one or more multiplexed sub frames, and multiplexed sub frame comprises multiplexed sub frame head, video-frequency band, audio section, data segment; Wherein, video data, voice data, program prompt information are to be encapsulated in respectively in video-frequency band, audio section, the data segment, and wherein, program prompt information is to identify by specific numerical value in the data cell of 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 program prompt 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 | The ESG program prompt information |
| 2～255 | ... |
Wherein, the data cell type definition of program prompt information is " 1 ".
(3) as shown in Figure 3, program prompt information is encapsulated in the data cell, its parameter that comprises is: the record number: the program prompt information number of expression notebook data unit carrying, default value is 2, expression notebook data unit only comprises two records, and current program information, next programme information represented respectively in every record; If the record number is greater than 2, expression notebook data unit has comprised current program information and back continuous 2 or a plurality of programme information; If have only a record, represent that then the notebook data unit has comprised current program information.Time started: when the program of expression business or channel is from beginning to play.Duration: the duration of expression program.Category of language: which kind of speech encoding is expression program subject matter title adopt.Theme length: expression programm name string length, be convenient to terminal parses.Theme: the title of expression broadcast program content.
2, the transmission of program prompt information and processing
As shown in Figure 4, be the schematic flow sheet of transmission of explanation program prompt information and processing.Below in conjunction with accompanying drawing 4 program prompt information transmission of the present invention and handling process are described.
100: the program prompt information that mobile multimedia system front end ESG generator obtains the multimedia service channel is transferred to multiplexer, wherein, multimedia service takies a multiplexed frame of being made up of one or more multiplexed sub frames, described 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 business of said extracted or the program prompt information of channel mainly comprise programm name that time started, multilingual describe, duration etc., are that the program prompt information form 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 program prompt 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 program prompt information of business or channel and voice data, video datas, sends to mobile multi-media terminal with the CMMB Web broadcast; The above-mentioned multimedia service that contains program prompt information can be broadcast to terminal by broadcast channel periodically, also can cross broadcast channel according to the needs IMU of operator and broadcast to terminal.
200: when the user uses mobile multi-media service, switch to business or the channel desiring to watch, perhaps select " checking program prompt 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 program prompt information) of a kind of definition of above-mentioned steps, if have, then directly parse the program prompt 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 program prompt information with information structurings such as the relevant information that obtains current business or channel such as time started, programm name, duration, are presented on the 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 program prompt 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 or channel or next when the period, program had adjustment, the ESG server can notify the ESG generator initiatively to issue program prompt information.At this moment, corresponding step 200 should be: terminal detects network up-to-date program prompt information is arranged by receiving corresponding indication in the multiplexed sub frame head, directly parses the program prompt information in the current data unit, is presented on the terminal screen.
In sum, the method according to this invention, the user can be when service switchover or channel, and terminal inquires about at first in the data segment of the multiplexed sub frame that constitutes current business or channel whether program prompt information is arranged, and is presented at automatically on the terminal screen if having; If there are not the program prompt information data in the data segment of the multiplexed sub frame of current business or 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 program prompt 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 program prompt information.Program prompt information in the data segment of the multiplexed sub frame of preferential inquiry formation current business or channel; If do not look into again in being kept at terminal local program layout table, contents table and retrieve relevant information, constitute the program prompt 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 (11)
1. the implementation method of a mobile multimedia broadcasting program message, described method comprises:
(1) electron service instruction of mobile multimedia system front end (ESG) generator is transferred to multiplexer from the program prompt information that the ESG server obtains the multimedia service channel, described program prompt information is encapsulated in the data segment of multiplexed sub frame at described multimedia service place, described program prompt information comprises the time started, the programm name that multilingual is described, and duration;
(2) the multiplexer multimedia service that will contain program prompt information sends to terminal with the multiplexed frame form;
(3) terminal receives multimedia service, parses program prompt information from multiplexed sub frame, and program prompt information is presented on the terminal screen.
2. the implementation method of mobile multimedia broadcasting program message according to claim 1, it is characterized in that: step (3) further comprises, terminal parses data cell from the multiplexed sub frame that receives, whether the judgment data unit has program prompt information, if have then directly from data cell, to parse program prompt information, be presented on the terminal screen; Otherwise the Promgramming table and the contents table of searching for local ESG are configured to program prompt information with the relevant information that obtains current business or channel, are presented on the terminal screen.
3. the implementation method of mobile multimedia broadcasting program message according to claim 1, it is characterized in that: the data segment encapsulating structure of described program prompt 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 and data unit length.
4. the implementation method of mobile multimedia broadcasting program message according to claim 3, it is characterized in that: described program prompt information is to identify by the data cell type is provided with specific numerical value in data segment, to distinguish other data.
5. the implementation method of mobile multimedia broadcasting program message according to claim 4 is characterized in that: the program prompt information of step (1) encapsulates table mode or the XML mode of adopting in the data cell of data segment.
6. the implementation method of mobile multimedia broadcasting program message according to claim 1, it is characterized in that: the program prompt information of step (1) comprises the programme information of current program and the programme information of next program; If current program is last program of this channel, then program prompt information only comprises current program information; Described programme information comprises time started, programm name and duration.
7. the implementation method of mobile multimedia broadcasting program message according to claim 6, it is characterized in that: the program prompt 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 the notebook data unit comprises current program information and next programme information; If the record number is 1, then the notebook data unit only comprises current program 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.
8. the implementation method of mobile multimedia broadcasting program message according to claim 1, it is characterized in that: step (2) further comprises, program prompt information is broadcast to terminal by broadcast channel periodically, or crosses broadcast channel according to the needs IMU of operator and broadcast to terminal.
9. the implementation method of mobile multimedia broadcasting program message 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 program prompt information and duration.
10. the implementation method of mobile multimedia broadcasting program message according to claim 1, it is characterized in that: described multiplexed sub frame also comprises multiplexed sub frame head, video-frequency band and audio section, wherein, video data is encapsulated in the video-frequency band, and voice data is encapsulated in the audio section.
11. the implementation method of mobile multimedia broadcasting program message 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 or channel or next when the period, program had adjustment, front end initiatively issues program prompt information, at this moment, terminal is by receiving renewal indication in the multiplexed sub frame and detect current business or channel having up-to-date program prompt information in step (3), directly parse the program prompt information in the current data unit, be presented on the terminal screen.
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| CN2007101277064A CN101087390B (en) | 2007-03-08 | 2007-06-18 | An implementation method of prompt message of mobile multi-media broadcast program |
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| CN2007101277064A CN101087390B (en) | 2007-03-08 | 2007-06-18 | An implementation method of prompt message of mobile multi-media broadcast program |
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| CN101848050A (en) * | 2009-03-27 | 2010-09-29 | 中兴通讯股份有限公司 | Transmitting method and system, receiving method and device of data broadcasting service |
| CN101527835B (en) * | 2009-04-13 | 2011-07-13 | 中兴通讯股份有限公司 | Method for transmitting mobile multimedia broadcasting program message and corresponding device |
| CN102457771A (en) * | 2010-10-22 | 2012-05-16 | 宏碁股份有限公司 | Program prompting method for mobile device |
| CN106131653A (en) * | 2016-06-30 | 2016-11-16 | 乐视控股（北京）有限公司 | Control method for playing back, device and terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1571487A (en) * | 2004-04-30 | 2005-01-26 | 清华大学 | Mobile terminal receiving multimedia television broadcasting |
| CN1972484A (en) * | 2006-12-05 | 2007-05-30 | 中兴通讯股份有限公司 | An implementation method for current and next program information in mobile multimedia broadcasting service |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1571487A (en) * | 2004-04-30 | 2005-01-26 | 清华大学 | Mobile terminal receiving multimedia television broadcasting |
| CN1972484A (en) * | 2006-12-05 | 2007-05-30 | 中兴通讯股份有限公司 | An implementation method for current and next program information in mobile multimedia broadcasting service |
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