CN201528405U - Broadcast equipment, broadcast service platform and system - Google Patents
Broadcast equipment, broadcast service platform and system Download PDFInfo
- Publication number
- CN201528405U CN201528405U CN2009201082747U CN200920108274U CN201528405U CN 201528405 U CN201528405 U CN 201528405U CN 2009201082747 U CN2009201082747 U CN 2009201082747U CN 200920108274 U CN200920108274 U CN 200920108274U CN 201528405 U CN201528405 U CN 201528405U
- Authority
- CN
- China
- Prior art keywords
- live
- signal
- live broadcast
- stream
- network
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a live broadcast equipment, live broadcast service platform and system, wherein the system consists of a live broadcast equipment and a live broadcast service platform, the live broadcast equipment is used to produce program stream, and sends the program stream to a time division/frequency division Long Term Evolution network, the live broadcast service platform is used to receive the program stream from the time division/frequency division Long Term Evolution network, and performs editing and processing to the program code stream, to generate Transport Stream. The utility model transmits the program stream through the time division/frequency division Long Term Evolution network, to resolve high cost and the like defects of the live broadcast system in the existing technologies.
Description
Technical field
The utility model relates to direct seeding technique, particularly, relates to a kind of live equipment, live broadcast service platform and system.
Background technology
Along with the development of present the Internet and medium, the user more and more wishes to watch real-time programme content quickly and easily.On-the-spot broadcasting mode commonly used at present as shown in Figure 1, it at first transfers on the satellite car by the camera acquisition program source and with program source, then via satellite the car front end (as, network management system, condition receiving system, Subscriber Management System, electronic program guides, middleware, compressed encoding and multiplex system and chnnel coding and modulating system), program source is handled with after generating TV programme, car is up to satellite with TV programme through the satellite uplink station via satellite again, by satellite TV programme is sent to user receiving system at last.
Though utilizing satellite car to carry out live mode in the prior art can carry out live under certain condition, but for great incident, as, natural calamity, accident burst scene etc. just seems very inconvenient and quick, the inventor finds that there is following shortcoming at least in present direct-seeding in realizing process of the present invention:
1. because of satellite car is difficult to arrive the not convenient location of major event traffic location, therefore can influence live real-time.
2. existing direct-seeding needs the leased satellite connecting station, and therefore, live cost is higher.
3 existing direct-seedings need re-send to the satellite uplink station after the satellite car front end is handled editor, the direct-seeding more complicated, and the program behind the editor is sent to the fail safe of satellite uplink station and also has hidden danger.
The utility model content
First purpose of the present utility model is at utilizing satellite to carry out defectives such as live mode cost height, real-time difference in the prior art, proposing a kind of live equipment, to realize transmitting expediently, at low cost programme televised live.
Second purpose of the present utility model is at utilizing satellite to carry out defectives such as live mode cost height, fail safe hidden danger in the prior art, proposing a kind of live broadcast service platform, to realize transmitting programme televised live safely, easily.
The 3rd purpose of the present utility model is at utilizing satellite to carry out defectives such as live mode cost height, real-time difference in the prior art, proposing a kind of live broadcast system, to realize transmitting programme televised live conveniently, at low cost.
In order to realize above-mentioned first purpose, the utility model provides a kind of live equipment, comprising:
One signal acquisition module is used to gather analog signal;
One signal encoding module is used for analog signal encoding to produce data flow;
One signal multiplexing module is used for multiplexed data flow to produce program stream; And
One signal delivery module is used for program stream is sent to for one time-division/the frequency division long-term evolving network.
In order to realize above-mentioned second purpose, the utility model provides a kind of live broadcast service platform, comprising:
One System Management Unit is used to produce Entitlement Management Message and Entitlement Control Message and managing user information;
One electronic program guides is used to produce electronic program guide information;
One middleware is used to electronic program guides definition standard interface;
One editing saving and manufacturing system are used for producing transmission code stream according to the program stream that receives from one time-division/frequency division long-term evolving network, Entitlement Management Message, Entitlement Control Message and electronic program guide information; And
One chnnel coding and modulating system are used for transmission code stream coding and convert band signal to.
In order to realize above-mentioned the 3rd purpose, the utility model provides a kind of live broadcast system, comprising:
One live equipment is used to produce program stream, and program stream is sent to for one time-division/the frequency division long-term evolving network; And
One live business platform, be used for from the time-division/frequency division long-term evolving network program receiving code stream, and program stream edited and handles, generate transmission code stream.
The live equipment of each embodiment of the utility model, live broadcast service platform and system's utilization generate program stream and directly do not handle and edit at the information source end, but by time-division Long Term Evolution (Time Division Long Term Evolution, be called for short TD-LTE) network, or frequency division Long Term Evolution (Frequency Division Long Term Evolution, be called for short FD-LTE) the Network Transmission program stream, at the business platform of network side program stream is handled at last, editor is to generate the transmission code stream of TV programme, send to user side by network side then, therefore, direct-seeding is convenient, do not need the leased satellite connecting station, can realize by network, cost is low, and owing to carry out editing and processing at network side, can further improve safety of data.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural representation according to live broadcast system of the prior art;
Fig. 2 is the structural representation of the utility model live broadcast system embodiment one;
Fig. 3 is the internal implementation example structural representation of the utility model live broadcast system, live broadcast service platform and live equipment;
Fig. 4 is another example structure schematic diagram of the utility model time-division/live equipment of frequency division Long Term Evolution;
Fig. 5 carries out live live schematic flow sheet for adopting the utility model;
Fig. 6 is the live embodiment signaling process figure that is applied to of the utility model live broadcast system.
Description of reference numerals:
The live equipment of 22-; The 24-TD-LTE network; 26-live broadcast service platform;
The 28-user receiving system; 220-audio collection module; The 221-signal acquisition module;
The 222-video acquisition module; 223-signal encoding module; 224-audio coding module;
225-signal multiplexing module; The 226-video encoding module; 227-signal delivery module;
228-audio frequency and video Multiplexing module; The 229-TD-LTE wireless module; The 261-Subscriber Management System;
262-editing saving and making 263-network management system; 264-chnnel coding and modulating system; System;
The 265-condition receiving system; The 266-middleware; The 268-electronic program guides.
Embodiment
Fig. 2 is the structural representation of the utility model live broadcast system embodiment one.As shown in Figure 2, present embodiment comprises live equipment 22, TD-LTE network 24 and live broadcast service platform 26.Live equipment 22 is used to produce program stream, and program stream is sent to TD-LTE network 24.Live broadcast service platform 26 receives the program stream that TD-LTE network 24 transmits, and generates the transmission code stream that carries Entitlement Management Message and Entitlement Control Message, i.e. TV program stream according to this program stream.
The high upstream bandwidth that present embodiment utilizes TD-LTE network 24 to provide, a kind of live broadcast system of the TD-LTE of utilization network 24 transmission program stream has been proposed, avoided problem such as expensive because of using that satellite transmits brings, and implementation method, quick, affected by environment little, the live broadcast service platform 26 of network side can add some Entitlement Control Messages, and fail safe is higher.
Those skilled in the art should understand, each embodiment of the present utility model is not only applicable to the TD-LTE network, can also be applicable to the FD-LTE network, the process that specific implementation is live and system's annexation are similar, therefore, do not give an example again, the following examples are that example describes with the TD-LTE network only, but the internal relations of live broadcast system, live broadcast service platform and live equipment is equally applicable to the FD-LTE network.
Fig. 3 is the internal implementation example structural representation of the utility model live broadcast system, live broadcast service platform and live equipment.Present embodiment has carried out refinement to live broadcast service platform 26 and live equipment 22 internal structures, and as shown in Figure 3, the live broadcast system of present embodiment provides transmission code stream by user receiving system 28.
The live equipment 22 of present embodiment is mainly used in compressed encoding and multiplexing, specifically comprises:
One signal acquisition module 221 is used to gather analog signal;
One signal encoding module 223, the analog signal that is used for 221 collections of code signal acquisition module is to produce data flow;
One signal multiplexing module 225 is used for multiplexing this data flow to produce program stream; And
One signal delivery module 227 is used for the up TD-LTE of the being sent to network 24 of program stream.
The live broadcast service platform 26 of present embodiment comprises: a Subscriber Management System (SubscriberManagement System, abbreviation SMS) 261, one editing saving and manufacturing system 262, a network management system (Network Management System, abbreviation NMS) 263, one chnnel coding and modulating system 264, a condition receiving system (Condition Access System, be called for short CAS) 265, one middleware 266 and an electronic program guides (Electronic Program Guide is called for short EPG) 268.
Describe as follows to each internal module in the live broadcast service platform 26 below:
Condition receiving system 265 is used for program stream is carried out scrambling, encryption, produces Entitlement Control Message and Entitlement Management Message, realizes paid service;
Electronic program guides 268 is used to produce electronic program guide information;
Middleware 266 is used to electronic program guides 268 definition standard interfaces;
Editing saving and manufacturing system 262, be used for the program stream that transmits according to TD-LTE network 24, the network management information of network management system 263, Entitlement Management Message and the Entitlement Control Message that condition receiving system 265 produces, and electronic program guides 268 generates transmission code stream by the electronic program guide information that middleware 266 transmits;
Chnnel coding and modulating system 264 are used for transmission code stream coding that editing saving and manufacturing system 262 produced and conversion generating band signal, and are sent to user receiving system 28.
In the present embodiment, Subscriber Management System 261 also is used for live equipment 22 is carried out authentication.When live equipment 22 is authorized to when live, live equipment 22 is sent to TD-LTE network 24 with program stream.
Fig. 4 is applied to the structural representation of another embodiment of TD-LTE network for the live equipment of the utility model.As shown in Figure 4, live equipment 22 comprises:
One is used to gather the audio collection module 220 of simulated audio signal;
One is used to gather the video acquisition module 222 of analog video signal;
One is used for the coding simulation audio signal to produce the audio coding module 224 of audio data stream;
One is used for the coding simulation vision signal to produce the video encoding module 226 of video data stream;
One is used for the audio frequency and video Multiplexing module 228 (corresponding to the signal multiplexing module 225 of Fig. 3) of multiplexed audio and video data stream, and
One is used for the TD-LTE wireless module 229 (signal transmitting module 227 of corresponding diagram 3) with the wireless TD-LTE of the being sent to network of program stream.
The live equipment 22 of present embodiment can adopt the MPEG-2/DVB-S standard; Audio coding module 224 adopts MPEG-2Layer II coding; Video encoding module 226 adopts the MPEG-2MP@ML coding; Audio frequency and video Multiplexing module 228 adopts the dynamic statistics multiplexing technology.Be understood that the coding standard of the standard of the live equipment 22 of present embodiment, audio coding module 224 and video encoding module 226 and the multiplex technique of audio frequency and video Multiplexing module 228 all can be provided with flexibly and change according to the design needs.
Fig. 5 carries out live live schematic flow sheet for adopting the utility model.As shown in Figure 5, present embodiment comprises:
Step S502: produce program stream, comprise video data stream and audio data stream in the program stream;
Step S504: transmit this program stream through TD-LTE network 24; And
Step S506:, generate the transmission code stream that carries Entitlement Management Message and Entitlement Control Message according to program stream.
The high upstream bandwidth that the live flow process of present embodiment utilizes TD-LTE network 24 to provide has proposed the live broadcasting method of a kind of TD-LTE of utilization network 24 transmission program stream, avoided because of use that satellite transmits brings expensive, use problem such as inconvenience.
Fig. 6 is the live embodiment signaling process figure that is applied to of the utility model live broadcast system, specifically can understand with convenient with reference to Fig. 3 and Fig. 4.As shown in Figure 6, present embodiment comprises:
(1) live equipment collection, coding simulation vision signal and simulated audio signal are to produce video data stream and audio and video streams, and multiplexing this video data stream and audio and video streams to be to produce program stream, and analog video and audio signal and video and audio data stream are called program source;
(2) live equipment sends the live request of HTML (Hypertext Markup Language) to the live broadcast service platform, the travelling carriage integrated services digital network of live equipment (Mobile Station Integrated ServicesDigital Network, be called for short, MSISDN) number obtain by wireless application gateway;
(3) the live broadcast service platform confirms according to MSISDN number of live equipment whether live equipment is to authorize live equipment.When live equipment when authorizing live equipment, the live broadcast service platform sends a confirmation to live equipment;
(4) live equipment transmits program stream to live broadcast service platform 26;
(5) live broadcast service platform scrambled program code stream, generation electronic program guide information, generation and encryption authorization management information and Entitlement Control Message, and generate program stream, electronic program guide information, the Entitlement Management Message of encryption and the transmission code stream of Entitlement Control Message that comprises scrambling;
(6) the live broadcast service platform transmits the call information of transmission code stream to user receiving system and accepted user receiving system.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the spirit and scope of technical solutions of the utility model.
Claims (10)
1. a live equipment is characterized in that, comprising:
One signal acquisition module is used to gather analog signal;
One signal encoding module, the described analog signal that is used to encode is to produce data flow;
One signal multiplexing module is used for multiplexing described data flow to produce program stream; And
One signal delivery module is used for described program stream being sent to for one time-division/the frequency division long-term evolving network.
2. live equipment according to claim 1 is characterized in that, described signal delivery module is one time-division/frequency division Long Term Evolution wireless module.
3. live equipment according to claim 1 is characterized in that, described signal encoding module adopts Moving Picture Experts Group-2.
4. live equipment according to claim 1 is characterized in that, described signal multiplexing module adopts the dynamic statistics multiplexing technology.
5. according to each described live equipment of claim 1-4, it is characterized in that described analog signal comprises simulated audio signal and analog video signal.
6. a live broadcast service platform comprises:
One System Management Unit is used to produce Entitlement Management Message and Entitlement Control Message and managing user information;
One electronic program guides is used to produce electronic program guide information;
One middleware is used to described electronic program guides definition standard interface;
One editing saving and manufacturing system are used for producing transmission code stream according to the program stream that receives from one time-division/frequency division long-term evolving network, described Entitlement Management Message, Entitlement Control Message and electronic program guide information; And
One chnnel coding and modulating system are used for to described transmission code stream coding and conversion, to generate band signal.
7. live broadcast service platform according to claim 6 is characterized in that, described System Management Unit comprises a condition receiving system, a Subscriber Management System and a network management system, wherein:
Described Subscriber Management System is used for managing user information;
Described condition receiving system is used for described program stream is carried out scrambling, encryption, produces described Entitlement Control Message and Entitlement Management Message;
Described network management system is used between described editing saving and manufacturing system and described condition receiving system Network Management planning, parameter setting and detection alarm between network and described condition receiving system and described Subscriber Management System.
8. live broadcast service platform according to claim 7 is characterized in that, described Subscriber Management System also is used for the live device authentication that connects described time-division/frequency division long-term evolving network to one.
9. a live broadcast system is characterized in that, comprising:
One live equipment is used to produce program stream, and described program stream is sent to for one time-division/the frequency division long-term evolving network; And
One live business platform is used for receiving described program stream from described time-division/frequency division long-term evolving network, and described program stream is edited and handled, and generates transmission code stream.
10. live broadcast system according to claim 9 is characterized in that described transmission code stream carries Entitlement Management Message and Entitlement Control Message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201082747U CN201528405U (en) | 2009-05-25 | 2009-05-25 | Broadcast equipment, broadcast service platform and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201082747U CN201528405U (en) | 2009-05-25 | 2009-05-25 | Broadcast equipment, broadcast service platform and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201528405U true CN201528405U (en) | 2010-07-14 |
Family
ID=42519686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201082747U Expired - Lifetime CN201528405U (en) | 2009-05-25 | 2009-05-25 | Broadcast equipment, broadcast service platform and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201528405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102065209A (en) * | 2010-11-15 | 2011-05-18 | 中国电信股份有限公司 | Integrated mobile recording and broadcasting system |
-
2009
- 2009-05-25 CN CN2009201082747U patent/CN201528405U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102065209A (en) * | 2010-11-15 | 2011-05-18 | 中国电信股份有限公司 | Integrated mobile recording and broadcasting system |
| CN102065209B (en) * | 2010-11-15 | 2012-11-07 | 中国电信股份有限公司 | Integrated mobile recording and broadcasting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106804014A (en) | A kind of medium living broadcast method based on 4G wireless private networks | |
| CN112601033B (en) | Cloud rebroadcasting system and method | |
| US20040196920A1 (en) | Wireless RF link for uncompressed transmission of HDTV signals | |
| US6763035B1 (en) | Method and device for transmitting information to the DVB network | |
| KR20060101736A (en) | Packet based re-trnasporting system for dmb service and its apparatus | |
| CN104038843A (en) | Train comprehensive service platform on basis of gigabit Ethernet and WIFI (wireless fidelity) technology | |
| CN101998155B (en) | Video on demand method, device and system | |
| CN101547341B (en) | Method and device for realizing intercommunication of video monitoring system and video service system | |
| CN210157190U (en) | IPv6 interactive remote education system based on Beidou short message | |
| CN114286022A (en) | Support direct broadcast of 5G's 8K super high definition video full service rebroadcasting car | |
| CN201528405U (en) | Broadcast equipment, broadcast service platform and system | |
| CN101754024B (en) | Multiplexing device and multiplexing method | |
| CN103826084A (en) | Audio encoding method | |
| US7934228B2 (en) | Method and system for marking video signals for identification | |
| CN213186288U (en) | Video live broadcast system | |
| US9247285B2 (en) | Method and system for monitoring a content signal | |
| US8619822B2 (en) | Method and system for generating uplink signals from a ground segment | |
| CN102480634B (en) | The method, apparatus and system that in Mobile Multimedia Broadcasting, classified service is synchronous | |
| CN213693842U (en) | Video rebroadcasting system | |
| US20080244663A1 (en) | Method and system for inserting digital video effects into a video stream using a bypass router | |
| CN201435790Y (en) | Wireless multi-carrier vehicle bidirectional audio-video and data transmission device | |
| CN104869474A (en) | Expansible mobile streaming media system and application method thereof | |
| CN101742253A (en) | Microwave digital image transmission system for mobile command of power emergency repair work | |
| CN218183417U (en) | Support live equipment of 5G and live knapsack of double-circuit code transmission | |
| KR101395990B1 (en) | Contents distribution method in BCAST service |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100714 |
|
| CX01 | Expiry of patent term |