CN104717547A - Direct broadcast satellite emergency broadcasting system and direct broadcast satellite broadcast reception device - Google Patents
Direct broadcast satellite emergency broadcasting system and direct broadcast satellite broadcast reception device Download PDFInfo
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Abstract
The invention discloses a direct broadcast satellite emergency broadcasting system and a direct broadcast satellite broadcast reception device. The direct broadcast satellite emergency broadcasting system comprises an emergency broadcast scheduling module and an audio information broadcasting module; the emergency broadcast scheduling module is used for receiving the emergency broadcast information, analyzing the emergency broadcast information and confirming the emergency broadcast type of the emergency broadcast information; the audio information broadcasting module is used for sending the emergency broadcast information to a direct broadcast satellite television broadcasting signal under the condition that the emergency broadcast type is the audio emergency broadcast. According to the direct broadcast satellite emergency broadcasting system and the direct broadcast satellite broadcast reception device, the emergency broadcast information from an emergency department is received, the emergency broadcast information from the emergency department is processed and issued to the direct broadcast satellite television broadcasting signal, and therefore the emergency broadcast information can be received and played by the majority of users through direct broadcast satellite broadcasting television terminals, so that corresponding emergency measures can be taken.
Description
Technical field
The present invention relates to direct broadcasting satellite broadcasting television technical field, specifically, relate to a kind of direct broadcasting satellite emergency broadcast system and direct broadcasting satellite broadcast receiver.
Background technology
Urgent broadcast refers to when facing accident, utilize radio data system to notice the information of emergency to the public, it is the effective means of carrying out extensively early warning fast based on radio data system to social public dissemination emergency information, circulating a notice of the condition of a disaster in time, assisting disaster prevention and control.
As far back as 1963, the U.S. has started to build the emergency broadcast system of covering the whole America connecting thousands of TV and Radio Service, cable television network, broadcasting-satellite system, be called " emergency warning system " (EmergencyAlert System, be called for short EAS), utilize emergency warning system, upon occurrence of an emergency situation, US President can link up by the public of itself and each state of entire United States, each department, such as, make a television address.The emergency information of federal level is issued and is started by US President, when president determines to issue national warning, first this communicating information is affixed one's name to Federal Emergency Management management, after Federal Emergency Management management administration receives instruction, information is passed to by telephone line, optical fiber or satellite and other technological means the primary access point being distributed in all parts of the country.Information is passed to state relay station by primary access point, and the emergency broadcast signal of primary access point monitored by state relay station, sees if there is informational needs state relay station relaying and relays.The information of state relay station passes to primary local relay station again.Finally, local primary relay station can give the whole nation thousands of private broadcasting organization these communicating information.
In addition, Japan is the multiple country of a disaster, in order to improve constantly the promptness that disaster early-warning information is reported, reduce disaster impact, Japan attaches great importance to and plays the effect of radio and television in contingency management, establish " emergency alert system " (Emergency Warning System is called for short EWS), issue emergence message by radio and television.In fact Japan's emergency alarm system is made up of two independently systems of overlapping, a set of is urgent prewarning broadcast system (Emergency Warning Broadcasting System, be called for short EWBS), a set of is the urgent Rapid information system of earthquake (Earthquake Early Warning System is called for short EEWS).EWBS is mainly used in after look-ahead is about to generation to the disaster such as earthquake, tsunami, and carry out early warning information issue by radio and television, its principle is the control command by a high priority, controls broadcast television receiver automatic switchover and receives emergency alarm information.After EEWS is then mainly used in earthquake occurrence, earthquake information is reported to the public by (at several seconds in tens seconds) very first time, its principle be utilize seismic wave P ripple, feature that S ripple transmission speed there are differences, after monitoring earthquake intensity more than 5 grades earthquakes, by radio and television, earthquake information is reported quickly and automatically.Urgent prewarning broadcast system (EWBS) came into operation in 1985, was originally integrated in analog fm, medium wave broadcast, analog terrestrial television system and issued urgent early warning information.2003, along with the development of Japanese Digital radio and television, urgent prewarning broadcast system achieved again the automatic broadcast in Digital Terrestrial Television Broadcast system.
For the urgent speed report of earthquake, the flow process that emergency alert system broadcasts alarm signal is as follows:
(1) seismic detector that Japan Meteorological Agency is deployed in various places perceives P-wave (i.e. compressional wave) and transfers to the meteorological Room afterwards at once, carries out data analysis by the meteorological Room, prediction earthquake intensity and scale;
(2) when somewhere earthquake intensity reaches 5 grades, the meteorological Room to NHK(NHK, unique public broadcasting and television mechanism of Japan) send the urgent speed of earthquake and to notify breath;
(3) NHK receives the urgent speed of earthquake and notifies after breath, and by broadcast TV program overlapping text and the mode switching alert audio, rapid earthquake information report information distributing is gone out by the very first time.
The front-end processor being deployed in NHK receives the earthquake alarm information from Japan Meteorological Agency by special circuit, then sends to the private server in broadcast center and 7, all Japan NHK station, then this information is sent into alarm generation equipment.The control unit of alarm generation device trigger radio station, TV station, the imaging importing that computerized image maker provides by control unit is on existing television image, the voice signal that audio signal generator produces is mixed with chimes of doom simultaneously, join in existing broadcast singal.Aforesaid operations is automation completely, and earthquake warning after receiving Japan Meteorological Agency earthquake warning information in 1 ~ 3 second, just can be reported to commonwealthn by NHK.
In China, broadcasting and television network is important Back ground Information network, current China built cover in the world most populous, central and local governments combine, wired, wireless, the multiple means such as satellite, the Internet is also used, traditional media and New Media common development, cover the whole nation, spread all over the broadcasting and television network of town and country, sensible huge numbers of families.In the existing radio data system of China, only have Mobile Multimedia Broadcasting (CMMB) system to promulgate urgent broadcast standard, achieve the function broadcasting emergency broadcast message.And for the national direct broadcasting satellite emergency broadcast system that China's broadcast television industry is being ground, due to the difference of radio and television basic technology, the no matter emergency warning system EAS of the U.S., the emergency alert system EWS of Japan, or the similar system of other country, all cannot be applicable to the direct broadcasting satellite emergency broadcast system research of China, therefore, need to set up a kind of emergency warning system arriving local direct broadcasting satellite broadcasting television pattern in conjunction with central authorities of China, for the propagation of emergency broadcast message.
Summary of the invention
Lacking to solve prior art the problem being suitable for the emergency broadcast system of China, the present invention proposes a kind of direct broadcasting satellite emergency broadcast system and direct broadcasting satellite urgent broadcast receiving system.
Technical scheme of the present invention is achieved in that
According to an aspect of the present invention, a kind of direct broadcasting satellite emergency broadcast system is provided.
This direct broadcasting satellite emergency broadcast system comprises:
Urgent broadcast scheduler module, for receiving emergent broadcast information, and analyzes emergent broadcasting information, determines the urgent broadcast type of emergent broadcasting information;
Audio information broadcast module, for being Audio emergency broadcast in urgent broadcast type, is sent to emergent broadcasting information in wideband direct broadcast satellite TV broadcast singal.
Alternatively, audio information broadcast module can be condition receiving system, also can be information on services maker.
Wherein, when urgent broadcast type is Audio emergency broadcast, emergent broadcasting information comprises audio broadcasting addressing information and formulates channel switching information.
Alternatively, audio broadcasting addressing information can be regional user totem information, also can be specific user's identification information.
In addition, this direct broadcasting satellite emergency broadcast system also comprises: words information broadcast module, for when urgent broadcast type is word urgent broadcast, is sent to by emergent broadcasting information in wideband direct broadcast satellite TV broadcast singal.
Wherein, words information broadcast module can be condition receiving system.
Wherein, when urgent broadcast type word urgent broadcast, emergent broadcasting information comprises text broadcast addressing information and text broadcast content information.
Alternatively, text broadcast addressing information can be regional user totem information, also can be specific user's identification information.
According to a further aspect in the invention, a kind of direct broadcasting satellite broadcast receiver is provided.
This direct broadcasting satellite broadcast receiver comprises:
Signal processing module, for receiving direct broadcasting satellite broadcasting television signal, and described direct broadcasting satellite broadcasting television signal is analyzed, obtain the emergent broadcasting information in described direct broadcasting satellite broadcasting television signal, and for analyzing the described emergent broadcasting information obtained, determine the urgent broadcast type of described emergent broadcasting information;
Audio information analysis module, for when determining that the urgent broadcast type of described emergent broadcasting information is Audio emergency broadcast, described emergent broadcasting information is resolved, obtains audio broadcasting addressing information and specified channel handover information that this emergent broadcasting information comprises;
Addressing authentication module, for according to the addressing information prestored, verifies described audio broadcasting addressing information, determines whether described audio broadcasting addressing information mates with the described addressing information prestored;
Message processing module, for when determining described audio broadcasting addressing information and the described addressing information prestored matches, according to described specified channel information, by wideband direct broadcast satellite TV channel switch to specified channel.
Wherein, described message processing module also for after by wideband direct broadcast satellite TV channel switch to specified channel, by the max volume that the volume configuration of described specified channel allows for current channel.
In addition, this direct broadcasting satellite broadcast receiver also comprises: Word message analysis module, for when the urgent broadcast type determining described emergent broadcasting information is word urgent broadcast, described emergent broadcasting information is resolved, obtains text broadcast addressing information and text broadcast content information that this emergent broadcasting information comprises.
Further, described addressing authentication module also for according to the addressing information prestored, is verified described text broadcast addressing information, is determined whether described text broadcast addressing information mates with the described addressing information prestored.
And, described message processing module is also for when the described text broadcast addressing information determined and the described addressing information prestored match, according to described text broadcast content information, the background of current wideband direct broadcast satellite TV channel is switched to pre-configured background, and show the word content of described text broadcast content information in this pre-configured background.
Alternatively, described audio broadcasting addressing information and described text broadcast addressing information can be regional user totem information, also can be specific user's identification information.
The present invention is by receiving the emergent broadcasting information from responding agencies, and process and be published in direct broadcasting satellite broadcasting television signal to the emergent broadcasting information from urgent department, thus make users can be received by direct broadcasting satellite broadcasting television terminal and play emergent broadcasting information, to make corresponding emergency measures.
In addition, the present invention also by adding addressing information in the emergent broadcasting information sent, thus make the emergent broadcasting information sent possess directive property, avoid emergent broadcasting information indifference, comprehensively cover type to send, and cause the phenomenon of the user error receiving emergent broadcast information in the area that emergency does not occur to occur.
In addition, the present invention is also by improving direct broadcasting satellite broadcasting television receiving terminal, make direct broadcasting satellite broadcasting television receiving terminal can emergent broadcasting information in automatic monitoring direct broadcasting satellite broadcasting television signal, and automatically according to the emergency type of emergent broadcasting information real-time make corresponding treatment measures, achieve the real-time that emergent broadcasting information is play, ensure that users can understand the content of emergent broadcasting information in the very first time.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the block diagram of the direct broadcasting satellite emergency broadcast system according to the embodiment of the present invention;
Fig. 2 is the block diagram of the direct broadcasting satellite broadcast receiver according to the embodiment of the present invention;
Fig. 3 is flow chart when triggering broadcast according to the emergent broadcasting information of the embodiment of the present invention by information on services maker;
Fig. 4 be according to the embodiment of the present invention emergent broadcasting information by information on services maker trigger broadcast time, the schematic flow sheet of Integrated Receive Decoder receiving emergent broadcast information;
Fig. 5 is flow chart when triggering broadcast according to the emergent broadcasting information of the embodiment of the present invention by condition receiving system;
Fig. 6 be according to the embodiment of the present invention emergent broadcasting information by condition receiving system trigger broadcast time, the schematic flow sheet of Integrated Receive Decoder receiving emergent broadcast information.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of protection of the invention.
According to embodiments of the invention, provide a kind of direct broadcasting satellite emergency broadcast system.
As shown in Figure 1, comprise according to the direct broadcasting satellite emergency broadcast system of the embodiment of the present invention:
Urgent broadcast scheduler module 11, for receiving emergent broadcast information, and analyzes emergent broadcasting information, determines the urgent broadcast type of emergent broadcasting information;
Audio information broadcast module 12, for being Audio emergency broadcast in urgent broadcast type, is sent to emergent broadcasting information in wideband direct broadcast satellite TV broadcast singal.
Alternatively, audio information broadcast module 12 can be condition receiving system, also can be information on services maker.
Wherein, when urgent broadcast type is Audio emergency broadcast, emergent broadcasting information comprises audio broadcasting addressing information and formulates channel switching information.
Alternatively, audio broadcasting addressing information can be regional user totem information, also can be specific user's identification information.
In addition, this direct broadcasting satellite emergency broadcast system also comprises: words information broadcast module (not shown), for when urgent broadcast type is word urgent broadcast, is sent to by emergent broadcasting information in wideband direct broadcast satellite TV broadcast singal.
Wherein, words information broadcast module can be condition receiving system.
Wherein, when urgent broadcast type word urgent broadcast, emergent broadcasting information comprises text broadcast addressing information and text broadcast content information.
Alternatively, text broadcast addressing information can be regional user totem information, also can be specific user's identification information.
According to embodiments of the invention, additionally provide a kind of direct broadcasting satellite broadcast receiver.
As shown in Figure 2, comprise according to the direct broadcasting satellite broadcast receiver of the embodiment of the present invention:
Signal processing module 21, for receiving direct broadcasting satellite broadcasting television signal, and described direct broadcasting satellite broadcasting television signal is analyzed, obtain the emergent broadcasting information in described direct broadcasting satellite broadcasting television signal, and for analyzing the described emergent broadcasting information obtained, determine the urgent broadcast type of described emergent broadcasting information;
Audio information analysis module 22, for when determining that the urgent broadcast type of described emergent broadcasting information is Audio emergency broadcast, described emergent broadcasting information is resolved, obtains audio broadcasting addressing information and specified channel handover information that this emergent broadcasting information comprises;
Addressing authentication module 23, for according to the addressing information prestored, verifies described audio broadcasting addressing information, determines whether described audio broadcasting addressing information mates with the described addressing information prestored;
Message processing module 24, for when determining described audio broadcasting addressing information and the described addressing information prestored matches, according to described specified channel information, by wideband direct broadcast satellite TV channel switch to specified channel.
Wherein, described message processing module 24 also for after by wideband direct broadcast satellite TV channel switch to specified channel, by the max volume that the volume configuration of described specified channel allows for current channel.
In addition, this direct broadcasting satellite broadcast receiver also comprises: Word message analysis module (not shown), for when the urgent broadcast type determining described emergent broadcasting information is word urgent broadcast, described emergent broadcasting information is resolved, obtains text broadcast addressing information and text broadcast content information that this emergent broadcasting information comprises.
Further, described addressing authentication module 23 also for according to the addressing information prestored, is verified described text broadcast addressing information, is determined whether described text broadcast addressing information mates with the described addressing information prestored.
And, described message processing module 24 is also for when the described text broadcast addressing information determined and the described addressing information prestored match, according to described text broadcast content information, the background of current wideband direct broadcast satellite TV channel is switched to pre-configured background, and show the word content of described text broadcast content information in this pre-configured background.
Alternatively, described audio broadcasting addressing information and described text broadcast addressing information can be regional user totem information, also can be specific user's identification information.
Below in conjunction with concrete schematic diagram, technique scheme of the present invention is described in detail.
Fig. 3 shows emergent broadcasting information (emergent broadcasting information only for Audio emergency broadcast type) by flow chart during information on services maker triggering broadcast, in figure 3, urgent broadcast management system (i.e. urgent broadcast scheduler module) is responsible for the collection of process emergent broadcasting information, process and management, urgent broadcast descriptive data is sent to SIG(SI generator by it, i.e. information on services maker), urgent broadcast descriptor during SIG Trigger update NIT shows, trigger to Integrated Receive Decoder (i.e. direct broadcasting satellite broadcast receiver) by direct broadcasting satellite broadcasting television signal again, wherein, can be triggered by Zone_Code addressing when triggering Integrated Receive Decoder by NIT.
In above-mentioned NIT table, urgent broadcast extended description symbol provides effective coverage, the urgent broadcast service number of urgent broadcast.Urgent broadcast extended area descriptor flag bit is 0x87, for the visible table 1 of concrete structure of urgent broadcast extended description symbol.
Table 1: urgent broadcast extended description symbol parameter list
Wherein, for urgent broadcast version (version), have employed 8 bit fields, provide the version of urgent broadcast, when version is 0, Integrated Receive Decoder does not respond urgent broadcast; And for original network identification symbol (original_network_id), then have employed 16 bit fields, provide the network_id of the transmission system that urgent broadcast indicates; Further, for transport stream identification symbol (transport_stream_id), have employed 16 bit fields too, just its TS being used for carrying out unique identification urgent broadcast place flows; In addition, for task identifier (service_id), also use 16 bit fields equally, in order to carry out the program number of unique identification urgent broadcast; And for labelled component (component_tag), then have employed 8 bit fields, value is identical with the component_tag field in traffic identifier descriptor.
In actual mechanical process, these traffic identifier descriptors in table 1 can directly appear in the PSI Program Map Table of the audio stream carrying out urgent broadcast.
Corresponding, when the emergent broadcasting information of Audio emergency broadcast type is when triggering broadcast by information on services maker, the flow process of corresponding Integrated Receive Decoder receiving emergent broadcast information just as shown in Figure 4, as can be seen from Figure 4, Integrated Receive Decoder after powering, Integrated Receive Decoder can monitor specific extended description symbol in NIT table, now, if the parameter of the parameter that this extended description accords with and its version is non-zero, and regional code is mated, Integrated Receive Decoder force handoff is play to the urgent broadcast program of specifying, and preserve the version number of this descriptor, later stage monitors this version number in real time, as changed, then indicate new emergency broadcast message.And if this extended description symbol version number is 00, then cancel urgent broadcast.Now, if Integrated Receiver decoder is in emergency broadcast channel, then no matter before force handoff to urgent broadcast, which kind of state Integrated Receive Decoder is in, and channel is the broadcast TV channel finally selected of automatic switchover reuse family all, and volume returns to original normal quantity; Now, if user has been manually switched to other channels, then automatically cancel urgent broadcast on backstage, no longer carry out channel switch.
When current channel being switched to the urgent broadcast program of specifying and playing, the requirement of its volume is put into maximum, if and switch process in, Integrated Receive Decoder be in dormant, then should wake up to normal condition, and be switched to emergency broadcast channel and volume be transferred to maximum, and after Integrated Receive Decoder is triggered and is switched to emergency broadcast channel, assent family allowable and switch to other channels.
Fig. 5 shows emergent broadcasting information (comprising the emergent broadcasting information of Audio emergency broadcast type and the emergent broadcasting information of word urgent broadcast) by flow chart during condition receiving system triggering broadcast, in Figure 5, urgent broadcast management system is responsible for the collection processing urgent broadcast, process and management, by it to SMS(subscriber manage system, Subscriber Management System) send instruction, after SMS receives instruction, by the EMMG(entitled manage message generator in condition receiving system (CA), EMM Generator) to specific user or the broadcast of customer group trigger emergency.
When being triggered by the EMMG in condition receiving system, emergent broadcasting information can range audio class and Word message class two kinds, is described respectively below from audio class and Word message class two aspects.
For audio class emergent broadcasting information, condition receiving system is then by calling interface and transmits to Integrated Receive Decoder the relevant information of urgent broadcast by audio class urgent broadcast descriptor.
Wherein, interface function is as follows:
unsigned int X_DataToIrd(int length,unsigned char*data
Wherein, length refers to the length of data; And data is the pointer pointing to real data, when data first byte is x9D, represent that these data are audio class urgent broadcast.
The formal definition of EMM audio class urgent broadcast descriptor is then as shown in the table:
Table 2:EMM audio class urgent broadcast descriptor parameters table
Corresponding, when the emergent broadcasting information of Audio emergency broadcast type is condition receiving system triggering broadcast, the flow chart of corresponding Integrated Receive Decoder receiving emergent broadcast information as shown in Figure 6, as can be seen from Figure 6, first the X_DataToIrd () interface that Integrated Receive Decoder realizes judges that the data imported into are audio class urgent broadcast descriptor, then press descriptor format definition and resolve this descriptor by each field stored in internal memory, judge whether redirect immediately or reservation to jump to the urgent broadcast program of specifying and play according to entry-into-force time and version number.
Wherein, judge whether according to entry-into-force time and version number should redirect immediately or reservation redirect time, if the entry-into-force time equals or early than time of current audio class urgent broadcast, then carry out redirect immediately; And if the entry-into-force time is later than the reservation redirect of the time of current audio class urgent broadcast, after arriving subscription time, in 60 seconds, complete redirect.，
Same, when current channel being jumped to the urgent broadcast program of specifying and playing, the requirement of its volume is put into maximum, if and in the process of redirect, Integrated Receive Decoder is in dormant, then should wake up to normal condition, and be switched to emergency broadcast channel and volume be transferred to maximum, and after Integrated Receive Decoder is triggered and is switched to emergency broadcast channel, then assent family allowable and switch to other channels.
And for Word message class emergent broadcasting information, condition receiving system then carrys out by Word message class urgent broadcast descriptor (OSD_MSG_DESCRIPTOR) relevant information transmitting urgent broadcast to Integrated Receive Decoder.
Wherein, the formal definition of Word message class urgent broadcast descriptor is as shown in the table:
Table 3: Word message class urgent broadcast descriptor parameters table
Corresponding, when Word message class emergent broadcasting information is condition receiving system triggering broadcast, Integrated Receive Decoder judges show or remove OSD according to the message number in descriptor, and Integrated Receive Decoder also should judge the coded system of word content, if the first byte of word content field is 0x13, then show that coded system is GB2312.
And if under information service, receive Word message class emergent broadcasting information, Integrated Receive Decoder then should exit information service display urgent broadcast word message.
In sum, by means of technique scheme of the present invention, by receiving the emergent broadcasting information from responding agencies, and process and be published in direct broadcasting satellite broadcasting television signal to the emergent broadcasting information from urgent department, thus make users can be received by direct broadcasting satellite broadcasting television terminal and play emergent broadcasting information, to make corresponding emergency measures.
In addition, the present invention also by adding addressing information in the emergent broadcasting information sent, thus make the emergent broadcasting information sent possess directive property, avoid emergent broadcasting information indifference, comprehensively cover type to send, and cause the phenomenon of the user error receiving emergent broadcast information in the area that emergency does not occur to occur.
In addition, the present invention is also by improving direct broadcasting satellite broadcasting television receiving terminal, make direct broadcasting satellite broadcasting television receiving terminal can emergent broadcasting information in automatic monitoring direct broadcasting satellite broadcasting television signal, and automatically according to the emergency type of emergent broadcasting information real-time make corresponding treatment measures, achieve the real-time that emergent broadcasting information is play, ensure that users can understand the content of emergent broadcasting information in the very first time.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a direct broadcasting satellite emergency broadcast system, is characterized in that, comprising:
Urgent broadcast scheduler module, for receiving emergent broadcast information, and analyzes described emergent broadcasting information, determines the urgent broadcast type of described emergent broadcasting information;
Audio information broadcast module, for being Audio emergency broadcast in described urgent broadcast type, is sent to described emergent broadcasting information in direct broadcasting satellite broadcasting television signal.
2. direct broadcasting satellite emergency broadcast system according to claim 1, is characterized in that, described audio information broadcast module comprises:
Condition receiving system or information on services maker.
3. direct broadcasting satellite emergency broadcast system according to claim 1, is characterized in that, when described urgent broadcast type is Audio emergency broadcast, described emergent broadcasting information comprises:
Audio broadcasting addressing information, specified channel handover information.
4. direct broadcasting satellite emergency broadcast system according to claim 3, is characterized in that, described audio broadcasting addressing information comprises:
Regional user totem information or specific user's identification information.
5. direct broadcasting satellite emergency broadcast system according to claim 1, is characterized in that, also comprise:
Words information broadcast module, for when described urgent broadcast type is word urgent broadcast, is sent to described emergent broadcasting information in direct broadcasting satellite broadcasting television signal.
6. direct broadcasting satellite emergency broadcast system according to claim 5, is characterized in that, described words information broadcast module comprises condition receiving system.
7. direct broadcasting satellite emergency broadcast system according to claim 5, is characterized in that, when described urgent broadcast type is word urgent broadcast, described emergent broadcasting information comprises:
Text broadcast addressing information, text broadcast content information.
8. direct broadcasting satellite emergency broadcast system according to claim 7, is characterized in that, described text broadcast addressing information comprises:
Regional user totem information or specific user's identification information.
9. a direct broadcasting satellite broadcast receiver, is characterized in that, comprising:
Signal processing module, for receiving direct broadcasting satellite broadcasting television signal, and described direct broadcasting satellite broadcasting television signal is analyzed, obtain the emergent broadcasting information in described direct broadcasting satellite broadcasting television signal, and for analyzing the described emergent broadcasting information obtained, determine the urgent broadcast type of described emergent broadcasting information;
Audio information analysis module, for when determining that the urgent broadcast type of described emergent broadcasting information is Audio emergency broadcast, described emergent broadcasting information is resolved, obtains audio broadcasting addressing information and specified channel handover information that this emergent broadcasting information comprises;
Addressing authentication module, for according to the addressing information prestored, verifies described audio broadcasting addressing information, determines whether described audio broadcasting addressing information mates with the described addressing information prestored;
Message processing module, for when determining described audio broadcasting addressing information and the described addressing information prestored matches, according to described specified channel information, by wideband direct broadcast satellite TV channel switch to specified channel.
10. direct broadcasting satellite broadcast receiver according to claim 9, it is characterized in that, described message processing module also for after by wideband direct broadcast satellite TV channel switch to specified channel, by the max volume that the volume configuration of described specified channel allows for current channel.
11. direct broadcasting satellite broadcast receivers according to claim 9, is characterized in that, comprise further:
Word message analysis module, for when the urgent broadcast type determining described emergent broadcasting information is word urgent broadcast, described emergent broadcasting information is resolved, obtains text broadcast addressing information and text broadcast content information that this emergent broadcasting information comprises;
Further, described addressing authentication module also for according to the addressing information prestored, is verified described text broadcast addressing information, is determined whether described text broadcast addressing information mates with the described addressing information prestored;
And, described message processing module is also for when the described text broadcast addressing information determined and the described addressing information prestored match, according to described text broadcast content information, the background of current wideband direct broadcast satellite TV channel is switched to pre-configured background, and show the word content of described text broadcast content information in this pre-configured background.
12. direct broadcasting satellite broadcast receivers according to claim 11, is characterized in that, described audio broadcasting addressing information and described text broadcast addressing information include:
Regional user totem information or specific user's identification information.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471533A (en) * | 2015-12-31 | 2016-04-06 | 深圳Tcl数字技术有限公司 | Digital television emergency broadcast playing method and digital television terminal |
| CN105763953A (en) * | 2016-02-22 | 2016-07-13 | 四川长虹电器股份有限公司 | Method for playing emergency warning broadcast on television |
| CN106817589A (en) * | 2016-12-21 | 2017-06-09 | 伟乐视讯科技股份有限公司 | The front end switching system and method for a kind of TV programme |
| CN109640143A (en) * | 2018-12-27 | 2019-04-16 | 深圳西米通信有限公司 | A kind of triggering method based on terrestrial digital television set box emergent broadcast |
| CN111193935A (en) * | 2019-12-26 | 2020-05-22 | 广州华多网络科技有限公司 | Broadcast display method and device for live broadcast room, electronic equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1354951A (en) * | 1999-12-16 | 2002-06-19 | 皇家菲利浦电子有限公司 | System and method for broadcasting emergency warnings to radio and television receivers in low power mode |
| US20080141300A1 (en) * | 2006-11-22 | 2008-06-12 | Lg Electronics, Inc. | Method of processing broadcast signal associated with emergency alert system in terrestrial broadcasting and broadcast receiver for the same |
| CN101282185A (en) * | 2007-04-05 | 2008-10-08 | 国家广播电影电视总局广播科学研究院 | Method for conveying locality emergency broadcast message |
| CN102131148A (en) * | 2011-03-22 | 2011-07-20 | 中广传播集团有限公司 | Method for transmitting broadcast message and device for transmitting and receiving broadcast message |
| CN102185671A (en) * | 2011-04-20 | 2011-09-14 | 中广传播集团有限公司 | Emergency broadcasting system and method based on mobile multimedia broadcasting |
-
2013
- 2013-12-13 CN CN201310685267.4A patent/CN104717547B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1354951A (en) * | 1999-12-16 | 2002-06-19 | 皇家菲利浦电子有限公司 | System and method for broadcasting emergency warnings to radio and television receivers in low power mode |
| US20080141300A1 (en) * | 2006-11-22 | 2008-06-12 | Lg Electronics, Inc. | Method of processing broadcast signal associated with emergency alert system in terrestrial broadcasting and broadcast receiver for the same |
| CN101282185A (en) * | 2007-04-05 | 2008-10-08 | 国家广播电影电视总局广播科学研究院 | Method for conveying locality emergency broadcast message |
| CN102131148A (en) * | 2011-03-22 | 2011-07-20 | 中广传播集团有限公司 | Method for transmitting broadcast message and device for transmitting and receiving broadcast message |
| CN102185671A (en) * | 2011-04-20 | 2011-09-14 | 中广传播集团有限公司 | Emergency broadcasting system and method based on mobile multimedia broadcasting |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471533A (en) * | 2015-12-31 | 2016-04-06 | 深圳Tcl数字技术有限公司 | Digital television emergency broadcast playing method and digital television terminal |
| WO2017113594A1 (en) * | 2015-12-31 | 2017-07-06 | 深圳Tcl数字技术有限公司 | Emergency broadcast playing method for digital television, and digital television terminal |
| CN105471533B (en) * | 2015-12-31 | 2018-11-16 | 深圳Tcl数字技术有限公司 | The playback method and digital TV terminal of DTV emergent broadcast |
| CN105763953A (en) * | 2016-02-22 | 2016-07-13 | 四川长虹电器股份有限公司 | Method for playing emergency warning broadcast on television |
| CN106817589A (en) * | 2016-12-21 | 2017-06-09 | 伟乐视讯科技股份有限公司 | The front end switching system and method for a kind of TV programme |
| CN109640143A (en) * | 2018-12-27 | 2019-04-16 | 深圳西米通信有限公司 | A kind of triggering method based on terrestrial digital television set box emergent broadcast |
| CN111193935A (en) * | 2019-12-26 | 2020-05-22 | 广州华多网络科技有限公司 | Broadcast display method and device for live broadcast room, electronic equipment and storage medium |
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| CN104717547B (en) | 2018-08-24 |
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