CN101335885A - Transmission method of multimedia broadcast subtitle information and transmitting/receiving apparatus - Google Patents
Transmission method of multimedia broadcast subtitle information and transmitting/receiving apparatus Download PDFInfo
- Publication number
- CN101335885A CN101335885A CNA2008101299886A CN200810129988A CN101335885A CN 101335885 A CN101335885 A CN 101335885A CN A2008101299886 A CNA2008101299886 A CN A2008101299886A CN 200810129988 A CN200810129988 A CN 200810129988A CN 101335885 A CN101335885 A CN 101335885A
- Authority
- CN
- China
- Prior art keywords
- caption information
- data cell
- information
- data
- data segment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a multimedia data acquiring method, including: the network side packages the description information of multimedia data into data segments with preset format, packages the data segment into transport stream, and then transmits the transport stream to the user terminals; the package identification of the transport stream the data segment locating is preset, and the data segment further includes filtering information for the user terminal to determine whether to resolve the description information of multimedia data in the data segment; the transport stream further contains television program data associated with the multimedia data; the user terminal, when required to play the television program, resolves the package identification and the filtering information from the received transport stream, determines the description information of multimedia data in the data segment required to resolve, and resolves the description information of multimedia data. The invention also discloses a multimedia apparatus. The technical scheme of the can reduce product cost of the user terminal and can expand digital TV audience.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of transmission method and transmission/receiving system of multimedia broadcast subtitle information.
Background technology
At present, mobile multi-media broadcasting service (being called mobile TV again) has multiple realization technology, multimedia broadcast multicast service (MultimediaBroadcast Multicast Service based on mobile communications network is arranged, abbreviate MBMS as), broadcasting and multicast service (Broadcast and Multicast Service, abbreviate BCMCS as), stream media technology, (for example also have based on radio network, received terrestrial digital broadcasting, satellite digital broadcasting) technology, for example, DVB-H (the Digital Video Broadcast Handheld in Europe, digital video broadcast-handheld receives), the Media FLO of the U.S. (Media Forward Link Only, the single forward link of medium), ISDB-T (the Integrated Service Digitalbroadcasting-Terrestrial of Japan, Integrated Services Digital Broadcasting-terrestrial transmission) and China CMMB (China Mobile Multimedia Broadcast, China Mobile multimedia broadcasting) etc., also has the application layer ancillary technique.Wherein, have advantages such as availability of frequency spectrum height, capacity is big, construction cost is relatively low, be used widely based on the mobile multi-media service of radio network.
The terminal of present reception Mobile Multimedia Broadcasting generally uses the audio/video player software to come playing audio/video programs, for the pure audio program, the transmission passage that does not have caption information, for video frequency program, existing caption information generally is to be embedded in the video program stream by program provider (TV station), for terminal, this caption information is the part of video; Mobile Multimedia Broadcasting service generally is TV station and mobile operator cooperation operation, provides program by TV station, is responsible for the packing, popularization, charge of program etc. by mobile operator; Because the difference of both division of labor can cause both and the separating of user communication channel, thereby is unfavorable for professional operation and development, user experience is not high.
Summary of the invention
Be unfavorable for professional operation and development, the not high problem of user experience and propose the present invention at the caption information technology of existing mobile multi-media broadcast program, for this reason, the present invention aims to provide a kind of transmission method and transmission/receiving system of multimedia broadcast subtitle information, to address the above problem.
A kind of transmission method of multimedia broadcast subtitle information is provided according to an aspect of the present invention.
Transmission method according to multimedia broadcast subtitle information of the present invention comprises: the caption information of program is encapsulated in the data cell of data segment of multiplexed sub frame; Data cell type field in the data segment header of data segment is set to represent that data cell is the data cell that has encapsulated caption information; The multiplexed sub frame that will comprise caption information transmits by mobile media broadcasting network.
Preferably, before the caption information with program was encapsulated in the data cell of data segment of multiplexed sub frame, said method further comprised: caption information is stored in the caption information management database in advance.
Preferably, said method further comprises: terminal receives multiplexed sub frame, and parses data segment header from multiplexed sub frame; According to the data cell type field judgment data unit in the data segment header is the data cell that has encapsulated caption information; Caption information in the resolution data unit.
Preferably, data cell also comprises the cyclic redundancy check information of caption information.
Preferably, caption information comprise following one of at least: service identification, language message, repeat playing number of times, captions length, caption content.
Preferably, service identification is used to indicate the business/channel that broadcasts synchronously with caption information; Language message is used to the language of indicating caption information to use; The repeat playing number of times is used to indicate caption information after being received by terminal, needs the number of times of repeat playing; Captions length is used to indicate caption information corresponding characters string length; Caption content, the character string that is used to carry caption information.
A kind of dispensing device of multimedia broadcast subtitle information is provided according to another aspect of the present invention.
Dispensing device according to multimedia broadcast subtitle information of the present invention comprises: package module is used for the caption information of program is encapsulated in the data cell of the data segment of multiplexed sub frame; Module is set, and the data cell type field that is used for the data segment header of data segment is set to represent that data cell is the data cell that has encapsulated caption information; Transport module, the multiplexed sub frame that is used for comprising caption information transmits by mobile media broadcasting network.
Preferably, said apparatus further comprises: memory module is used for caption information is stored in the caption information management database in advance.
A kind of dispensing device of multimedia broadcast subtitle information also is provided according to another aspect of the present invention.
Receiving system according to multimedia broadcast subtitle information of the present invention comprises: receiver module is used to receive the multiplexed sub frame that carries caption information; First parsing module is used for parsing data segment header from the multiplexed sub frame that receiver module receives, and wherein, carries the data cell type field that is used for the designation data cell type in the data segment header; Judge module is used for the data cell type field of the data segment header that parses according to first parsing module, and the judgment data unit is the data cell that has encapsulated caption information; Second parsing module is used for resolving the caption information of the data cell that has encapsulated caption information.
By embodiments of the invention, adopt method with the caption information individual packages, overcome prior art because TV station and mobile operator divide the work different meetings and cause both and the problem of separating of user communication channel, and then improved the experience of user service.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the transmission method of the multimedia broadcast subtitle information of the embodiment of the invention;
Fig. 2 is the schematic diagram according to the position of caption information in the CMMB multiplexed sub frame of the embodiment of the invention;
Fig. 3 is the schematic diagram according to the CMMB data segment encapsulating structure of the embodiment of the invention;
Fig. 4 is the caption information data cell encapsulation schematic diagram for example according to the embodiment of the invention;
Fig. 5 is according to the caption information transmission of the embodiment of the invention and the schematic diagram of handling;
Fig. 6 is the block diagram according to the dispensing device of the multimedia broadcast subtitle information of the embodiment of the invention;
Fig. 7 is the block diagram according to the receiving system of the multimedia broadcast subtitle information of the embodiment of the invention.
Embodiment
Embodiments of the invention provide in mobile media broadcasting network, and the Mobile Multimedia Broadcasting front end issues the method and the transmission/receiving system of caption information to the terminal that receives audio/video program.Wherein, the content of caption information is issued by mobile media broadcasting network by Mobile Multimedia Broadcasting front-end edit, audit back, terminal receives and caption information is presented on the specific region of audio/video player software interface, said method both can issue identical caption information to all channels, also can specify concrete channel to issue caption information.When using said method between Mobile Multimedia Broadcasting operator and terminal use, to link up, take few, the ageing height of wireless bandwidth.Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Method embodiment
According to embodiments of the invention, provide a kind of transmission method of multimedia broadcast subtitle information.Fig. 1 is the flow chart according to the transmission method of the multimedia broadcast subtitle information of the embodiment of the invention, and as shown in Figure 1, this method comprises:
Step S102, mobile multimedia system front end is encapsulated in the caption information of program in the data cell of data segment of multiplexed sub frame; Before this, caption information can be stored in the caption information management database in advance; Wherein, data cell can also comprise cyclic redundancy check (CRC) (that is the CRC check) information of caption information; Caption information comprise following one of at least: service identification, language message, repeat playing number of times, captions length, caption content;
Step S104, the data cell type field in the data segment header of data segment are set to represent that data cell is the data cell that has encapsulated caption information; That is,, distinguish the data cell of encapsulation caption information and the data cell of other information of encapsulation by data cell type in the data paragraph header being provided with particular value (for example, particular value is taken as " 2 ");
Step S106 will comprise that the multiplexed sub frame of caption information transmits by mobile media broadcasting network; That is, the Mobile Multimedia Broadcasting front end will comprise the data segment of caption information, the video-frequency band of video information, the audio section of audio-frequency information and form multiplexed sub frame together, transmit by mobile media broadcasting network.
Pass through embodiments of the invention, operator's Mobile Multimedia Broadcasting front end uses the editor of caption information management front end realization to caption information, examine and issue, overcome prior art because TV station and mobile operator divide the work different meetings and cause both and the problem of separating of user communication channel, and then issue after making operator to edit immediately as required or fixed time reading of data from database issues, mobile multi-media broadcasting service has been set up the passage of operator and user-to-user information transmission, it is few to take wireless bandwidth, ageing height, simultaneously also improve user's experience, be convenient to professional operation and development.
Further, terminal receives multiplexed sub frame, and parses data segment header from multiplexed sub frame; According to the data cell type field judgment data unit in the data segment header is the data cell (for example, judging whether to exist the data cell type is the data cell of particular value " 2 ") that has encapsulated caption information; Caption information in the resolution data unit, promptly, terminal is after parsing the data cell that comprises caption information, parse the following field in the caption information data cell encapsulating structure successively, comprise traffic ID, language, repeat playing number of times, captions length, caption content,, and according to these fields captions are presented on the screen.
Particularly, when the terminal audio frequency player software (for example receives the pure audio program, playing a piece of music) time, can use the method for the embodiment of the invention to broadcast caption information simultaneously in certain zone at audio player interface, allow the terminal use see the literal of this song is annotated, and then improved the experience of user service.And, need when broadcasting, broadcast program under the situation of caption information at mobile operator, when content may comprise introduction, the charge method of program set meal or announcement information that some are interim, can use the method for the embodiment of the invention, caption information can be displayed by screens in certain specific region of video player.In addition, the caption information that issues both can be tied to concrete channel, promptly, have only the terminal use who watches corresponding channel just can see these captions, also specified channel not, promptly, all are receiving the terminal use of mobile multi-media broadcasting service, no matter reception information is audio or video, or certain channel, can both receive identical caption information simultaneously.
The realization of program caption information and processing method are divided into two steps in the mobile media broadcasting network that the embodiment of the invention provides: the encapsulation of (1) caption information; (2) transmission of caption information and processing.Below in conjunction with accompanying drawing these two steps are elaborated.
(1) encapsulation of caption information
Fig. 2 is the schematic diagram according to the position of caption information in the CMMB multiplexed sub frame of the embodiment of the invention, as shown in Figure 2, in Mobile Multimedia Broadcasting (CMMB) system, each multimedia service (promptly, channel) take one or more multiplexed sub frames, multiplexed sub frame comprises: subframe head, video-frequency band, audio section, data segment; Wherein, video data, voice data, caption information are to be encapsulated in respectively in video-frequency band, audio section, the data segment; Be to identify in the data cell of caption information in the data segment header of data segment, with the data cell of differentiation encapsulation caption information and the data cell of other information of encapsulation (for example, ESG information) by specific numerical value (that is, above-mentioned particular value).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.
Fig. 3 is the schematic diagram according to the CMMB data segment encapsulating structure of the embodiment of the invention, and as shown in Figure 3, the encapsulating structure of the data segment of caption information is to be made up of data segment header and a plurality of data cell (that is, data cell 1 is to data cell n).Data segment header has been described the parameter of each data cell, comprising: parameters (position except that each parameter takies is represented by " reservation " in Fig. 3) such as number of data units, data cell type, data unit length; Wherein, the data cell type is the different pieces of information for the carrying of distinguishes data unit; Preferably, the data cell type of caption information can be defined as " 2 ".
Fig. 4 is that as shown in Figure 4, caption information is encapsulated in the data cell according to the caption information data cell of embodiment of the invention encapsulation schematic diagram for example, the main field that caption information comprises and being explained as follows:
Traffic ID (sign) is used to indicate caption information to broadcast synchronously with certain business/channel, that is, and and indication and the synchronous business/channel that broadcasts of caption information;
Language (that is, language message) is used for the language that carrying (that is indication) caption information uses;
The repeat playing number of times is used to indicate caption information after being received by terminal, needs the number of times of repeat playing;
Captions length is used to indicate caption information corresponding characters string length, so that terminal is resolved;
Caption content, the character string that is used to carry this caption information;
In addition, data cell also comprises CRC_32 (that is, cyclic redundancy check information), is used for this captions message is carried out verification.
(2) transmission of caption information and processing
Fig. 5 is according to the caption information transmission of the embodiment of the invention and the schematic diagram of handling, and as shown in Figure 5, caption information transmission and handling process are as follows:
Step S502, operator use caption information management front-end edit, audit caption information, its encapsulation format as shown in Figure 3, caption information mainly comprises traffic ID, repeat playing number of times, language, captions length, caption content; Above-mentioned caption information is edited back transmission (that is, transmission) immediately give multiplexer, also can according to actual needs the caption information that often repeats to send be placed the caption information management database, use the mode of timed sending to issue;
Step S504, after multiplexer receives caption information, caption information is encapsulated into data segment, simultaneously, video data is encapsulated as video-frequency band, voice data is encapsulated as audio section, and data segment, video-frequency band, audio section are configured to meet the multiplexed frame of CMMB network requirement, and above-mentioned multiplexed frame sent by CMMB radio network (that is mobile media broadcasting network);
Step S506, terminal receives multimedia service/channel (promptly by the CMMB radio network, above-mentioned multiplexed frame) time, the bottom demultiplexing module of terminal judges whether there be the data cell of data cell type for " 2 " (expression is a caption information) in the above-mentioned multiplexed frame, in judged result is under the situation that is, parse the traffic ID field in the caption information encapsulating structure, if this field value is identical with the in progress business/channel identication of current terminal, perhaps this traffic ID value is 0xff, wherein, 0xff represents that all channels all broadcast this caption information, then terminal bottom demultiplexing module is passed to audio/video player with caption information, audio/video player is according to the repeat playing number of times in the caption information encapsulating structure, language, captions length, caption content is provided with the audio/video player parameter, at last, audio/video player is presented at caption information on the screen; If this field value and the in progress business/channel identication of current terminal are inequality, and this traffic ID value is not 0xff, then abandons this caption information.
Device embodiment
Embodiment one
According to embodiments of the invention, provide a kind of dispensing device of multimedia broadcast subtitle information.Fig. 6 is the block diagram according to the dispensing device of the multimedia broadcast subtitle information of the embodiment of the invention, and as shown in Figure 6, this device comprises: package module 62, module 64 is set, and transport module 66 describes in detail to above-mentioned each module below:
Package module 62 is used for the caption information of program is encapsulated in the data cell of the data segment of multiplexed sub frame;
Module 64 is set, is connected to package module 62, the data cell type field of data segment header that is used for the data segment of package module 62 encapsulation is set to represent that data cell is the data cell that has encapsulated caption information;
Transport module 66 is connected to module 64 is set, and the multiplexed sub frame that is used for comprising caption information transmits by mobile media broadcasting network.
Further, said apparatus also comprises: the memory module (not shown) is used for caption information is stored in the caption information management database in advance.
By this embodiment, the dispensing device of multimedia broadcast subtitle information is provided, overcome prior art because TV station and mobile operator divide the work different meetings and cause both and the problem of separating of user communication channel.
Embodiment two
According to embodiments of the invention, provide a kind of receiving system of multimedia broadcast subtitle information.Fig. 7 is the block diagram according to the receiving system of the multimedia broadcast subtitle information of the embodiment of the invention, and as shown in Figure 7, this device comprises: receiver module 72, first parsing module 74, judge module 76, the second parsing modules 78 describe in detail to above-mentioned each module below:
Receiver module 72 is used to receive the multiplexed sub frame that carries caption information;
First parsing module 74 is connected to receiver module 72, is used for parsing data segment header from the multiplexed sub frame that receiver module receives, and wherein, carries the data cell type field that is used for the designation data cell type in the described data segment header;
Judge module 76 is connected to first parsing module 74, is used for the data cell type field of the data segment header that parses according to first parsing module, and the judgment data unit is the data cell that has encapsulated caption information;
Second parsing module 78 is connected to judge module 76, is used for resolving the caption information of the data cell that has encapsulated caption information.
By this embodiment, the receiving system of multimedia broadcast subtitle information is provided, improved the experience of user to service.
By embodiments of the invention, adopt method with the caption information individual packages, overcome prior art because TV station and mobile operator divide the work different meetings and cause both and the problem of separating of user communication channel, and then improved the experience of user service.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the transmission method of a multimedia broadcast subtitle information is characterized in that, comprising:
The caption information of program is encapsulated in the data cell of data segment of multiplexed sub frame;
Data cell type field in the data segment header of described data segment is set to represent that described data cell is the data cell that has encapsulated caption information;
The described multiplexed sub frame that will comprise described caption information transmits by mobile media broadcasting network.
2. method according to claim 1 is characterized in that, before described caption information with program was encapsulated in the data cell of data segment of multiplexed sub frame, described method further comprised:
Described caption information is stored in the caption information management database in advance.
3. method according to claim 1 is characterized in that, further comprises:
Terminal receives described multiplexed sub frame, and parses described data segment header from described multiplexed sub frame;
Judge that according to the described data cell type field in the described data segment header described data cell is the data cell that has encapsulated caption information;
Resolve the described caption information in the described data cell.
4. method according to claim 1 is characterized in that described data cell also comprises the cyclic redundancy check information of described caption information.
5. according to each described method in the claim 1 to 4, it is characterized in that, described caption information comprise following one of at least:
Service identification, language message, repeat playing number of times, captions length, caption content.
6. method according to claim 5 is characterized in that:
Described service identification is used to indicate the business/channel that broadcasts synchronously with described caption information;
Described language message is used to the language of indicating described caption information to use;
Described repeat playing number of times is used to indicate described caption information after being received by terminal, needs the number of times of repeat playing;
Described captions length is used to indicate described caption information corresponding characters string length;
Described caption content, the character string that is used to carry described caption information.
7. the dispensing device of a multimedia broadcast subtitle information is characterized in that, comprising: package module is used for the caption information of program is encapsulated in the data cell of the data segment of multiplexed sub frame;
Module is set, and the data cell type field that is used for the data segment header of described data segment is set to represent that described data cell is the data cell that has encapsulated caption information;
Transport module, the described multiplexed sub frame that is used for comprising described caption information transmits by mobile media broadcasting network.
8. device according to claim 7 is characterized in that, further comprises:
Memory module is used for described caption information is stored in the caption information management database in advance.
9. the receiving system of a multimedia broadcast subtitle information is characterized in that, comprising:
Receiver module is used to receive the multiplexed sub frame that carries caption information;
First parsing module is used for parsing data segment header from the described multiplexed sub frame that described receiver module receives, and wherein, carries the data cell type field that is used for the designation data cell type in the described data segment header;
Judge module is used for the described data cell type field of the described data segment header that parses according to described first parsing module, judges that described data cell is the data cell that has encapsulated caption information;
Second parsing module is used for resolving the described caption information that has encapsulated the data cell of caption information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101299886A CN101335885A (en) | 2008-07-30 | 2008-07-30 | Transmission method of multimedia broadcast subtitle information and transmitting/receiving apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101299886A CN101335885A (en) | 2008-07-30 | 2008-07-30 | Transmission method of multimedia broadcast subtitle information and transmitting/receiving apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101335885A true CN101335885A (en) | 2008-12-31 |
Family
ID=40198144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101299886A Pending CN101335885A (en) | 2008-07-30 | 2008-07-30 | Transmission method of multimedia broadcast subtitle information and transmitting/receiving apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101335885A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101695119A (en) * | 2009-10-17 | 2010-04-14 | 中兴通讯股份有限公司 | Network side and player of mobile multimedia broadcasting as well as skin updating method of player |
| CN102724232A (en) * | 2011-05-06 | 2012-10-10 | 新奥特（北京）视频技术有限公司 | UDP-based network subtitle generator method and network subtitle generator system |
| CN102739991A (en) * | 2011-05-09 | 2012-10-17 | 新奥特（北京）视频技术有限公司 | Character generator information checking method and system in protocol communication manner |
| CN104394427A (en) * | 2014-11-19 | 2015-03-04 | 福建新大陆通信科技股份有限公司 | Method and system for acquiring and pushing micro messages by set-top box |
| CN110049275A (en) * | 2019-04-30 | 2019-07-23 | 视联动力信息技术股份有限公司 | Information processing method, device and storage medium in video conference |
-
2008
- 2008-07-30 CN CNA2008101299886A patent/CN101335885A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101695119A (en) * | 2009-10-17 | 2010-04-14 | 中兴通讯股份有限公司 | Network side and player of mobile multimedia broadcasting as well as skin updating method of player |
| CN102724232A (en) * | 2011-05-06 | 2012-10-10 | 新奥特（北京）视频技术有限公司 | UDP-based network subtitle generator method and network subtitle generator system |
| CN102739991A (en) * | 2011-05-09 | 2012-10-17 | 新奥特（北京）视频技术有限公司 | Character generator information checking method and system in protocol communication manner |
| CN102739991B (en) * | 2011-05-09 | 2017-04-12 | 新奥特（北京）视频技术有限公司 | Character generator information checking method and system in protocol communication manner |
| CN104394427A (en) * | 2014-11-19 | 2015-03-04 | 福建新大陆通信科技股份有限公司 | Method and system for acquiring and pushing micro messages by set-top box |
| CN110049275A (en) * | 2019-04-30 | 2019-07-23 | 视联动力信息技术股份有限公司 | Information processing method, device and storage medium in video conference |
| CN110049275B (en) * | 2019-04-30 | 2021-05-14 | 视联动力信息技术股份有限公司 | Information processing method and device in video conference and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7940798B2 (en) | Burst transmission | |
| CN101835012B (en) | Method for preview service in digital broadcasting system using electronic service guide | |
| US7623485B2 (en) | Method for providing user interface using received terrestrial digital broadcasting data in a mobile communication terminal | |
| EP1085750A2 (en) | Reception system and digital broadcasting system | |
| CA2795191C (en) | Method and apparatus for processing non-real-time broadcast service and content transmitted by broadcast signal | |
| US20100050070A1 (en) | Method for processing a web service in an NRT service and a broadcast receiver | |
| US8300569B2 (en) | Digital broadcasting system and method of processing data in digital broadcasting system | |
| US11336934B2 (en) | Broadcast signal transmitting/receiving apparatus and method | |
| CN103503439A (en) | Method and apparatus for transmitting/receiving broadcast service in digital broadcasting system, and system thereof | |
| EP1914913A2 (en) | System and method for providing notification message in DVB-H system | |
| CN101335885A (en) | Transmission method of multimedia broadcast subtitle information and transmitting/receiving apparatus | |
| EP1903802A2 (en) | Method and system for transmitting notification data in a DVB-H system | |
| CN101262293B (en) | A transmission method and system for multi-language program prompt message | |
| US8386893B2 (en) | Digital broadcasting system and method of processing data in digital broadcasting system | |
| CN101005642B (en) | Transmitting method for program information of mobile multimedia broadcast system | |
| WO2008016213A1 (en) | Digital broadcasting system and method | |
| KR100597134B1 (en) | Digital Multimedia Broadcasting Service Syster And Method Thereof | |
| CN100583699C (en) | A front-end processing system and its service dispatching method | |
| CN101263712A (en) | Method and apparatus for preview service in digital broadcasting system using electronic service guide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20081231 |