CN102196299B - Send or receive at the same time the method and system of image-text video emergency broadcast messages - Google Patents
Send or receive at the same time the method and system of image-text video emergency broadcast messages Download PDFInfo
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- CN102196299B CN102196299B CN201110144100.8A CN201110144100A CN102196299B CN 102196299 B CN102196299 B CN 102196299B CN 201110144100 A CN201110144100 A CN 201110144100A CN 102196299 B CN102196299 B CN 102196299B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
- H04N21/814—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts comprising emergency warnings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
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- Multimedia (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Mobile Radio Communication Systems (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses method that is a kind of while sending or receive image-text video emergency broadcast messages, including：Set and Service Id preferred lists are updated before emergency broadcast message is sent every time；N number of Service Id of highest priority are chosen from Service Id preferred lists, are packaged in respectively in N bar emergency broadcast messages；Image-text video file corresponding with N bar emergency broadcast messages is sent to multiplexer through Radio Data System, multiplexer is sent to after emergency broadcast message data segment is encapsulated again；The emergency broadcast message in N number of control information multiplexed frame is parsed, obtains Service Id corresponding with every emergency broadcast message, the corresponding time slots of Service Id is switched to and obtains image-text video file.The present invention further simultaneously discloses a kind of system, can be realized with this method and system in emergency broadcast system while send and receive image-text video emergency broadcast messages.
Description
Technical field
The present invention relates to China mobile multi-media broadcasting technology field, more particularly to one kind to send or receive a plurality of picture and text at the same time and regard
The method and system of frequency emergency broadcast message.
Background technology
Urgent broadcast is a kind of mode for noticing emergency to the public using broadcast communication system.In the event of natural calamity
The accidents such as evil, accident, public health or social safety, it will cause or may cause great casualties and property
Loss, ecological environment are destroyed, and seriously endanger society and public safety, and at this time, urgent broadcast can then provide a kind of rapid, quick
Notice mode, remind people take corresponding measure in time.Image-text video in emergency broadcast message includes and urgent broadcast letter
Interrogate synchronous picture, webpage and audio/video flow etc..
At present, China Mobile's digital multimedia broadcasting (CMMB) emergency broadcast system only supports a picture and text in the same time
Video emergency broadcast message sends and receives.In the prior art, emergency broadcasting service management platform is promptly wide for image-text video
Broadcast message and specify fixed reference service identification (Service-Id), such as：The corresponding Service-Id of video channel is 4000.Cause
This, has image-text video emergency broadcast messages sending immediately, and because it has shared identical Service-Id, terminal can not yet
Parse the image-text video file received.As it can be seen that existing CMMB emergency broadcast systems can not send multiple bar chart in the same time
Video emergency broadcast messages, can not receive image-text video emergency broadcast messages in the same time.
In addition, urgent broadcast generator and data broadcast service management platform in existing emergency broadcasting service management platform
In Radio Data System between interface be extensible markup language (XML) file, Radio Data System needs automatic regular polling figure
The catalogue of text video file, causes the read operation of image-text video file more frequent, wastes system resource.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of while to send or receive a plurality of image-text video promptly wide
The method and system of message are broadcast, can be realized in CMMB emergency broadcast systems while be sent and receive a plurality of image-text video at the same time
Emergency broadcast message.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
Method that is a kind of while sending image-text video emergency broadcast messages, setting refer to service identification Service-Id
Preferred list；This method further includes：Before emergency broadcast message is sent every time, Service-Id preferred lists are updated；From
N number of Service-Id of highest priority is chosen in Service-Id preferred lists, is packaged in N bar emergency broadcast messages respectively
In, obtain emergency broadcast message data segment；Urgent broadcast generator will image-text video file corresponding with N bar emergency broadcast messages
Multiplexer is sent to through Radio Data System, and multiplexer is sent to after the emergency broadcast message data segment is encapsulated again；Its
In, the N is the number of emergency broadcast message, and N is positive integer, N >=2.
The renewal Service-Id preferred lists, are：Urgent broadcast generator captures the use for being currently sending to multiplexer
User data datagram protocol UDP multicast packets, parse the Service-Id in UDP multicast packets, according to the Service-Id parsed more
New Service-Id preferred lists, i.e.,：The Service-Id parsed is deleted from Service-Id preferred lists.
When the urgent broadcast generator is to Radio Data System transmission image-text video file, pass through File Transfer Protocol
Image-text video file is sent to Radio Data System by the mode of FTP, and by hypertext transfer protocol HTTP message will with it is tight
The relevant information notice Radio Data System of the anxious corresponding image-text video file that broadcasts the message.
The HTTP message includes：The file name of each image-text video compressing file bag, each image-text video compressing file bag
File size, every emergency broadcast message send at the beginning of between and end time and every emergency broadcast message correspond to
Service-Id.
The urgent broadcast generator is sent to multiplexer after emergency broadcast message data segment is encapsulated again, is：It is urgent wide
Broadcast generator and the emergency broadcast message data segment for encapsulating gained is packaged into urgent broadcast table, and be assembled into the transmission of UDP multicast packets
To multiplexer.
Method that is a kind of while receiving image-text video emergency broadcast messages, including：Terminal parses N number of control information and answers
With the emergency broadcast message in frame, respectively obtain Service-Id corresponding with every emergency broadcast message, and be switched to
The corresponding time slots of Service-Id obtain image-text video file；Wherein, the N is the number of emergency broadcast message, and N is just whole
Number, N >=2.
System that is a kind of while sending image-text video emergency broadcast messages, including multiplexer；The system further includes：Tightly
Anxious broadcast generator and Radio Data System；Wherein,
The urgent broadcast generator, disappears for setting Service-Id preferred lists, and sending urgent broadcast every time
Before breath, Service-Id preferred lists are updated；The N number of of highest priority is chosen from Service-Id preferred lists
Service-Id, is packaged in N bar emergency broadcast messages, obtains emergency broadcast message data segment respectively；
It is additionally operable to image-text video file corresponding with N bar emergency broadcast messages being sent to multiplexing through Radio Data System
Device, and it is sent to multiplexer after the emergency broadcast message data segment is encapsulated again；
The Radio Data System, for urgent broadcast generator to be sent out to figure corresponding with N bar emergency broadcast messages
Text video file is transmitted to multiplexer；
Wherein, the N is the number of emergency broadcast message, and N is positive integer, N >=2.
The urgent broadcast generator further comprises：Set and update module, package module and sending module；Wherein,
The setting and update module, disappear for setting Service-Id preferred lists, and sending urgent broadcast every time
Before breath, Service-Id preferred lists are updated；
The package module, for choosing priority most from the Service-Id preferred lists in setting and update module
High N number of Service-Id, is packaged in N bar emergency broadcast messages respectively, obtains emergency broadcast message data segment, and by gained
To emergency broadcast message data segment be sent to sending module；
The sending module, for will image-text video file corresponding with N bar emergency broadcast messages through Radio Data System
Multiplexer is sent to, and multiplexer is sent to after the emergency broadcast message data segment that the package module is sent out is encapsulated again.
When the sending module is to Radio Data System transmission image-text video file, by image-text video by way of FTP
File is sent to Radio Data System, and by HTTP message by the related of image-text video file corresponding to emergency broadcast message
Information notifies Radio Data System.
Terminal that is a kind of while receiving image-text video emergency broadcast messages, for parsing N number of control information multiplexed frame
In emergency broadcast message, respectively obtain Service-Id corresponding with every emergency broadcast message, and be switched to
The corresponding time slots of Service-Id obtain image-text video file；Wherein, the N is the number of emergency broadcast message, and N is just whole
Number, N >=2.
Method and system that are provided by the invention while sending or receive image-text video emergency broadcast messages, are set
Service-Id preferred lists, and before emergency broadcast message is sent every time, update Service-Id preferred lists；From
N number of Service-Id of highest priority is chosen in Service-Id preferred lists, is packaged in N bar emergency broadcast messages respectively
In, obtain emergency broadcast message data segment；Will image-text video file corresponding with N bar emergency broadcast messages through Radio Data System
Multiplexer is sent to, and multiplexer is sent to after the emergency broadcast message data segment is encapsulated again；The N number of control letter of terminal parsing
The emergency broadcast message in multiplexed frame is ceased, respectively obtains Service-Id corresponding with every emergency broadcast message, and be switched to
Time slot corresponding with Service-Id obtains image-text video file.The present invention disappears in a plurality of urgent broadcast transmitted by synchronization
Breath corresponds to different Service-Id respectively, and the corresponding Service-Id of every emergency broadcast message is on-fixed value, therefore,
The present invention can realize in CMMB emergency broadcast systems while send and receive image-text video emergency broadcast messages at the same time.
In addition, the interface between heretofore described urgent broadcast generator and Radio Data System is HTTP message, i.e., it is tight
The relevant information of image-text video file corresponding with emergency broadcast message is notified data by anxious broadcast generator by HTTP message
Broadcast system.Therefore, the invention avoids catalogue poll caused by using existing XML file as interface, cross Multiinputoutput
The problem of operation so that urgent broadcast generator reduces the use of CPU with communicating between Radio Data System with rapidity
Rate, improves efficiency.
Brief description of the drawings
Fig. 1 is that the method for the invention for sending image-text video emergency broadcast messages at the same time realizes flow diagram；
The structure diagram for the corresponding multiplexed frame of an emergency broadcast message that Fig. 2 is received by terminal；
Fig. 3 is the system structure diagram that the present invention sends image-text video emergency broadcast messages at the same time.
Embodiment
The present invention basic thought be：Set Service-Id preferred lists, and every time send emergency broadcast message it
Before, update Service-Id preferred lists；N number of Service- of highest priority is chosen from Service-Id preferred lists
Id, is packaged in N bar emergency broadcast messages, obtains emergency broadcast message data segment respectively；Urgent broadcast generator will be tight with N bars
The anxious corresponding image-text video file that broadcasts the message is sent to multiplexer through Radio Data System, and by the emergency broadcast message number
Multiplexer is sent to after being encapsulated again according to section；
Terminal parses the emergency broadcast message in N number of control information multiplexed frame, respectively obtains and every emergency broadcast message
Corresponding Service-Id, and automatically switch to time slot corresponding with Service-Id and obtain image-text video file；Wherein, it is described
N is the number of emergency broadcast message, and N is positive integer, N >=2.
Further, the interface between heretofore described urgent broadcast generator and Radio Data System is Hyper text transfer
Agreement (HTTP) message.
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail the present invention.
Fig. 1 is that the method for the invention for sending image-text video emergency broadcast messages at the same time realizes flow diagram, such as Fig. 1
Shown, which realizes that step is as follows：
Step 101：Service-Id preferred lists are set, and before emergency broadcast message is sent every time, renewal
Service-Id preferred lists；
Specially：According to multiplexer configuration situation, i.e.,：The time slot fixed according to multiplexer sets Service-Id dominated columns
Table, because in existing CMMB emergency broadcast systems, the time slot of the multiplexer is fixed setting.Such as：Can according to priority by
The Service-Id that high to Low order is set can be：4001st, 4002,4003 and 4004.
In the present invention, each Service-Id in Service-Id preferred lists can correspond to different types of service, such as：
4001 can correspond to electronic newspaper, also can corresponding diagram video emergency broadcast messages at other moment.And in the prior art, each
Service-Id only corresponds to fixed type of service.
After Service-Id preferred lists are provided with, urgent broadcast generator every time send emergency broadcast message it
Before, capture first is currently sending to User Datagram Protocol (UDP) multicast packets of multiplexer, and parses UDP by existing mode
Service-Id in multicast packets, that is, the current Service-Id taken, according to the Service-Id renewals parsed
Service-Id preferred lists, the Service-Id that will have been taken are deleted.Such as：If the Service-Id of parsing gained is
4001, that is to say, that Service-Id：4001 is current occupied, during renewal, then by Service-Id：4001 record is deleted
Remove, then, the Service-Id after renewal in Service-Id preferred lists is：4002nd, 4003 and 4004, for subsequent emergency
The transmission of broadcast message.
Here, the UDP multicast packets that the urgent broadcast generator is captured correspond to for the emergency broadcast message currently sent out
UDP multicast packets, if the emergency broadcast message has occupied the Service- of highest priority in Service-Id preferred lists
Id：4001, when retransmiting other emergency broadcast messages, which cannot use, therefore need to be preferential to Service-Id
List is updated.
Step 102：N number of Service-Id of highest priority is chosen from Service-Id preferred lists, is encapsulated respectively
In N bar emergency broadcast messages, emergency broadcast message data segment is obtained；
Specially：When urgent broadcast generator receives door examination ＆ verification emergency broadcast message notice, according to emergency broadcast message
Sending time set urgent broadcast table transmission timer and File Transfer Protocol (FTP) transmission timer, such as：Institute
The timing for stating two timers shifts to an earlier date 30s than the sending time of emergency broadcast message.Here, described two timers are set
The prior art is set to, is no longer described in detail herein.
If two emergency broadcast messages to be sent, urgent broadcast generator is from updated Service-Id preferred lists
According to priority order from high to low choose two highest Service-Id of priority level, such as：4002 and 4003, afterwards will
Two selected Service-Id are individually enclosed in two emergency broadcast messages, if emergency broadcast message is more than 8191 words
Section, then carry out segment processing, and the emergency broadcast message after segmentation is inserted field urgent broadcast data by emergency broadcast message
In, it is packaged into urgent broadcast data segment.
Wherein, it is described that Service-Id is encapsulated in emergency broadcast message, and emergency broadcast message is packaged into tightly
The process of anxious broadcast data section is the prior art, is no longer described in detail herein.
Step 103：Image-text video file corresponding with N bar emergency broadcast messages is sent to multiplexing through Radio Data System
Device, and it is sent to multiplexer after the emergency broadcast message data segment is encapsulated again；
Specially：After the FTP transmission timer timings set arrive, urgent broadcast generator will be with every promptly
Broadcast the message the data broadcasting that corresponding image-text video file is sent to by way of FTP in data broadcast service management platform
System, is stored respectively in Radio Data System with Service-Id corresponding to the image-text video file of different emergency broadcast messages
For in the catalogue of directory name, such as：It is catalogue that image-text video file corresponding with first emergency broadcast message, which is stored in 4002,
In the catalogue of name, image-text video file corresponding with Article 2 emergency broadcast message is stored in 4003 catalogues for being directory name.
Meanwhile the relevant information of image-text video file corresponding with emergency broadcast message is notified number by urgent broadcast generator
According to broadcast system, unlike existing XML file, urgent broadcast generator of the present invention notifies data broadcasting by HTTP message
System, the HTTP message may include：The file name of each image-text video compressing file bag, every emergency broadcast message are sent
Starting and end time, the file size of each image-text video compressing file bag, and every emergency broadcast message are corresponding
Service-Id etc..
Radio Data System is parsed after receiving HTTP message, according to the Service-Id of every emergency broadcast message and
Compressed package files title, the compressed package files of corresponding image-text video file are searched into the corresponding catalogues of Service-Id, and
According between at the beginning of emergency broadcast message and the end time set Radio Data System send image-text video file start it is fixed
When device and stop timing device, the beginning for sending image-text video file, stop timing device are arranged to the prior art.
After the data broadcasting table transmission timer timing set arrives, urgent broadcast generator will encapsulate gained
Emergency broadcast message data segment is packaged into urgent broadcast table, and is assembled into UDP multicast packets and is sent to multiplexer.Regarded when sending picture and text
After the timer timing of frequency file arrives, Radio Data System carries out image-text video file at existing piecemeal and burst
Reason, and after extensible protocol encapsulates (XPE)/extensible protocol encapsulation-forward error correction (XPE-FEC) encapsulation, it is sent to multiplexing
Device.
Present invention also offers method that is a kind of while receiving image-text video emergency broadcast messages, it is：Terminal parses N
Emergency broadcast message in a control information multiplexed frame, respectively obtains Service-Id corresponding with every emergency broadcast message,
And it is switched to time slot corresponding with Service-Id and obtains image-text video file；
Specially：Terminal is received after multiplexer and the N bar emergency broadcast messages of transmitter forwarding, parses N number of control respectively
Emergency broadcast message in information multiplexing frame processed, the control information multiplexed frame is multiplexed frame 0, as shown in Fig. 2, namely
TS0, an emergency broadcast message is determined by three network-level in TS0, network number and message id fields, is obtained urgent
Broadcast table simultaneously parses, and synthesis emergency broadcast message data segment is complete emergency broadcast message, parses every urgent broadcast and disappears
Service-Id fields in breath, image-text video file is obtained according to the corresponding time slots of the Service-Id.
Here, the relevant information of the emergency broadcast message is stored in multiplexed frame 0, and urgent broadcast is can obtain by parsing
Service-Id fields in message, as shown in Fig. 2, parsing obtains current this emergency broadcast message Service-Id：X is corresponded to
Time slot be time slot m, and then can from time slot m obtain image-text video file.
Wherein, terminal is same as the prior art by the process of control information multiplexed frame parsing emergency broadcast message, difference
It is：The corresponding time slot of existing image-text video file is fixed, that is, the corresponding Service- of existing image-text video file
Id is a fixed value, and the Service-Id on-fixed values parsed in the present invention, related to Service-Id preferred lists.
Present invention also offers system that is a kind of while sending image-text video emergency broadcast messages, as shown in figure 3, should
System includes multiplexer, further includes：Urgent broadcast generator and Radio Data System；Wherein,
The urgent broadcast generator, service identification Service-Id preferred lists are referred to for setting, and are being sent out every time
Before sending emergency broadcast message, Service-Id preferred lists are updated；Priority is chosen from Service-Id preferred lists most
High N number of Service-Id, is packaged in N bar emergency broadcast messages, obtains emergency broadcast message data segment respectively；
It is additionally operable to image-text video file corresponding with N bar emergency broadcast messages being sent to multiplexing through Radio Data System
Device, and it is sent to multiplexer after the emergency broadcast message data segment is encapsulated again；
The Radio Data System, for urgent broadcast generator to be sent out to figure corresponding with N bar emergency broadcast messages
Text video file is transmitted to multiplexer.
Present invention also offers a kind of while receive the terminal of image-text video emergency broadcast messages,
The terminal, for parsing the emergency broadcast message in N number of control information multiplexed frame, respectively obtains with every promptly
Broadcast the message corresponding Service-Id, and is switched to time slot corresponding with Service-Id and obtains image-text video file.
The urgent broadcast generator further comprises：Set and update module, package module and sending module；Wherein,
The setting and update module, disappear for setting Service-Id preferred lists, and sending urgent broadcast every time
Before breath, Service-Id preferred lists are updated；
The package module, for choosing priority most from the Service-Id preferred lists in setting and update module
High N number of Service-Id, is packaged in N bar emergency broadcast messages respectively, obtains emergency broadcast message data segment, and by gained
To emergency broadcast message data segment be sent to sending module；
The sending module, for will image-text video file corresponding with N bar emergency broadcast messages through Radio Data System
Multiplexer is sent to, and multiplexer is sent to after the emergency broadcast message data segment that the package module is sent out is encapsulated again.
Wherein, when the sending module is to Radio Data System transmission image-text video file, by picture and text by way of FTP
Video file is sent to Radio Data System, and by HTTP message by image-text video file corresponding with emergency broadcast message
Relevant information notifies Radio Data System.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (8)
1. method that is a kind of while sending image-text video emergency broadcast messages, it is characterised in that setting refers to service identification
Service-Id preferred lists；Service-Id in the Service-Id preferred lists meets following conditions：In same a period of time
Carve transmitted a plurality of emergency broadcast message and correspond to different Service-Id respectively, and every emergency broadcast message is corresponding
Service-Id is on-fixed value；This method further includes：
Before emergency broadcast message is sent every time, Service-Id preferred lists are updated；From Service-Id preferred lists
N number of Service-Id of highest priority is chosen, is packaged in respectively in N bar emergency broadcast messages, obtains emergency broadcast message number
According to section；Image-text video file corresponding with N bar emergency broadcast messages is sent to by urgent broadcast generator through Radio Data System
Multiplexer, and it is sent to multiplexer after the emergency broadcast message data segment is encapsulated again；
Wherein, the N is the number of emergency broadcast message, and N is positive integer, N >=2.
2. method that is according to claim 1 while sending image-text video emergency broadcast messages, it is characterised in that institute
Renewal Service-Id preferred lists are stated, are：
Urgent broadcast generator captures the user datagram protocol UDP multicast packets for being currently sending to multiplexer, parses UDP multicasts
Service-Id in bag, updates Service-Id preferred lists, i.e., according to the Service-Id parsed：By what is parsed
Service-Id is deleted from Service-Id preferred lists.
3. method that is according to claim 1 or 2 while sending image-text video emergency broadcast messages, its feature exist
In, when the urgent broadcast generator is to Radio Data System transmission image-text video file,
Image-text video file is sent to Radio Data System by way of File Transfer Protocol FTP, and is passed by hypertext
The relevant information of image-text video file corresponding with emergency broadcast message is notified Radio Data System by defeated agreement HTTP message.
4. method that is according to claim 3 while sending image-text video emergency broadcast messages, it is characterised in that institute
Stating HTTP message includes：
The file name of each image-text video compressing file bag, the file size of each image-text video compressing file bag, every it is urgent wide
Service-Id corresponding with end time and every emergency broadcast message between broadcasting at the beginning of message is sent.
5. method that is according to claim 1 or 2 while sending image-text video emergency broadcast messages, its feature exist
In the urgent broadcast generator is sent to multiplexer after emergency broadcast message data segment is encapsulated again, is：
The emergency broadcast message data segment for encapsulating gained is packaged into urgent broadcast table by urgent broadcast generator, and is assembled into UDP
Multicast packets are sent to multiplexer.
6. system that is a kind of while sending image-text video emergency broadcast messages, including multiplexer；It is characterized in that, the system
Further include：Urgent broadcast generator and Radio Data System；Wherein,
The urgent broadcast generator, for setting Service-Id preferred lists, and send every time emergency broadcast message it
Before, update Service-Id preferred lists；N number of Service- of highest priority is chosen from Service-Id preferred lists
Id, is packaged in N bar emergency broadcast messages, obtains emergency broadcast message data segment respectively；The Service-Id preferred lists
In Service-Id meet following conditions：Corresponded to respectively in a plurality of emergency broadcast message transmitted by synchronization different
Service-Id, and the corresponding Service-Id of every emergency broadcast message is on-fixed value；
It is additionally operable to image-text video file corresponding with N bar emergency broadcast messages being sent to multiplexer through Radio Data System, and
Multiplexer is sent to after the emergency broadcast message data segment is encapsulated again；
The Radio Data System, regards for urgent broadcast generator to be sent out to picture and text corresponding with N bar emergency broadcast messages
Frequency file is transmitted to multiplexer；
Wherein, the N is the number of emergency broadcast message, and N is positive integer, N >=2.
7. system that is according to claim 6 while sending image-text video emergency broadcast messages, it is characterised in that institute
Urgent broadcast generator is stated to further comprise：Set and update module, package module and sending module；Wherein,
The setting and update module, for setting Service-Id preferred lists, and send every time emergency broadcast message it
Before, update Service-Id preferred lists；
The package module, for choosing highest priority from the Service-Id preferred lists in setting and update module
N number of Service-Id, is packaged in N bar emergency broadcast messages respectively, obtains emergency broadcast message data segment, and will be obtained
Emergency broadcast message data segment is sent to sending module；
The sending module, for image-text video file corresponding with N bar emergency broadcast messages to be sent through Radio Data System
To multiplexer, and multiplexer is sent to after the emergency broadcast message data segment that the package module is sent out is encapsulated again.
8. system that is according to claim 7 while sending image-text video emergency broadcast messages, it is characterised in that institute
When stating sending module to Radio Data System transmission image-text video file, image-text video file is sent to by way of FTP
Radio Data System, and the relevant information of image-text video file corresponding with emergency broadcast message is notified by number by HTTP message
According to broadcast system.
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| CN201110144100.8A CN102196299B (en) | 2011-05-31 | 2011-05-31 | Send or receive at the same time the method and system of image-text video emergency broadcast messages |
| PCT/CN2012/072919 WO2012163149A1 (en) | 2011-05-31 | 2012-03-23 | Method and system for sending or receiving multiple image/text/video emergency broadcast messages simultaneously |
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| CN102196299B (en) * | 2011-05-31 | 2018-04-27 | 中兴通讯股份有限公司 | Send or receive at the same time the method and system of image-text video emergency broadcast messages |
| CN114650111A (en) * | 2020-12-17 | 2022-06-21 | 青岛海尔多媒体有限公司 | Broadcasting method and device for emergency broadcast message and intelligent household equipment |
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| CN101291186A (en) * | 2008-06-02 | 2008-10-22 | 中兴通讯股份有限公司 | Communication terminal and urgent broadcasting method thereof |
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| CN101291186A (en) * | 2008-06-02 | 2008-10-22 | 中兴通讯股份有限公司 | Communication terminal and urgent broadcasting method thereof |
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| Publication number | Publication date |
|---|---|
| WO2012163149A1 (en) | 2012-12-06 |
| CN102196299A (en) | 2011-09-21 |
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