CN104796770A - Radio and television full-service three-level diagnostic method and safety broadcasting service system - Google Patents
Radio and television full-service three-level diagnostic method and safety broadcasting service system Download PDFInfo
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- CN104796770A CN104796770A CN201510163735.0A CN201510163735A CN104796770A CN 104796770 A CN104796770 A CN 104796770A CN 201510163735 A CN201510163735 A CN 201510163735A CN 104796770 A CN104796770 A CN 104796770A
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Abstract
The invention discloses a radio and television full-service three-level diagnosis and safety broadcasting service system. The system comprises a plurality of signal acquiring and returning devices, a monitoring server and a monitoring client. The plurality of signal acquiring and returning devices are disposed at positions of a central apparatus room, sub-headends and optical nodes; the monitoring server is disposed in the central apparatus room and provided with a safety content library, and the safety content library is used for storing legal, safe and qualified contents to provide a content comparison basis; the monitoring server is used for receiving image data returned by the signal acquiring and returning devices and selecting image data to compare with contents in the safety content library; the monitoring client is used for displaying alarm information and monitoring images outputted by the monitoring server. Compared with monitoring techniques in the radio and television industry, the system has the advantage that by setup of an image comparison mechanism of the safety content library, monitoring precision and practical value are higher than those of a traditional TS (transport stream) audio-video decoding output monitoring mode. By adoption of terminal virtualization technology for directly eliminating faults and inspecting sub-headend terminal services, fault elimination time is greatly shortened, and operation and maintenance efficiency can be improved greatly.
Description
Technical field
The present invention relates to digital TV field, especially a kind of radio and television full-service three grades of diagnostic methods and peace broadcast service system.
Background technology
Safe broadcast is the problem that radio, TV and film industries are paid much attention to all the time.The content information monitoring that digital television signal transmits is the important means that safe broadcast ensures.Along with digital television signal institute bearer service gets more and more, be the broadcast that ensures safety, the content information of required monitoring also gets more and more.
At present, the major technique of the content monitoring of radio, TV and film industries comprises:
1), IPization builds
Obtain the multicast code stream in LAN by IP network, signal can United Dispatching and concentrated deployment multi-channel image processor monitoring main frame.
2), audio-visual content monitoring
Current radio, TV and film industries can support that multiple high standard definition program is decoded, such as: MPEG-2, MPEG-4, H.264, the high standard definition video decode of AVS; The audio decoder of MP2, MP3, AC3, AAC, DRA.
Simultaneously, also support the video malfunction monitorings such as Hei Chang, quiet frame, video-losing, video decode exception, color field, colour bar, station symbol loss, video scrambling, resolution chart exception, support the audio frequency malfunction monitorings such as audio frequency is lost, volume is too high, volume is too low, audio scrambling.Also can monitor that transformation parameter changes (source address, audio frequency and video PID change), coding parameter changes Signal transmissions faults such as parameter modifications such as () resolution, color format, sound channel, sample rates.
3), monitoring, alarming
Existing monitoring technology, can provide the multiple type of alarms such as voice, daily record, OSD, database, note, title bar, frame for monitoring depending on, audio content.
4) many picture monitoring displays
By concentrating by the multiple different channel content of large scale display, combination needs multiple channels of monitoring to carry out Centralizing inspection.
But the safe broadcast content of above-mentioned traditional radio, TV and film industries monitors the shortcoming still existed:
A) monitoring of traditional radio, TV and film industries only can monitoring depending on, audio frequency Digital Television, effective safe broadcast safeguards technique means are lacked to systems such as graph text information (mail, OSD etc.), value-added services (EPG advertisement etc.), the monitoring of effective full-service content can not be realized.
B) it is often increase a business (system) the just a set of safe broadcast monitoring equipment of corresponding increase that traditional peace broadcasts monitoring thinking, but along with digital television business is fast-developing, value-added service gets more and more, by this thinking, the problems such as investment is many, system is many, O&M is difficult, Ren Yuanduo, troubleshooting confusion certainly will be caused, be tantamount to allow the originally just fragile business prototype of traditional radio, TV and film industries make the matter worse.
C) fault location is unclear, and too much non-essential fault location, investigation work, certainly will increase the O&M cost of radio and TV operator; Meanwhile, excessive troubleshooting duration, also will expand the impact of fault.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of radio and television full-service three grades of diagnostic methods and peace broadcasts service system.
The technical solution used in the present invention is:
A kind of radio and television full-service three grades of diagnostic methods, comprise the following steps:
A), set up secure content storehouse, for store legal, safety and standard compliant content, as the content basis of comparison;
B) terminal gathering these three grades of nodes of central machine room, sub-headend and optical node exports picture data;
C) in selecting step B, picture data is compared as content in comparison content and steps A, and when comparison is abnormal output alarm information;
D) picture collected and warning message is shown.
Further, in described steps A, the content in secure content storehouse comprises synchronous Mei Zi department and is injected into the picture and text matchmaker money of media resource system and the central standard quality TS of Real-time Collection flows.
Further, step C is back to after the picture gathered in described step B is converted to IP signal for its contrast.
Further, the comparison content in described step C adopts coordinatograph to choose.
Further, the log recording of comparison result and warning message is also comprised in described step C.
Further, after output alarm information when comparison is abnormal, performs pad and broadcast the broadcast that ensures safety in described step C.
The technical program also comprises the theme of the same inventive concept with said method, and a kind of radio and television full-service three grades diagnosis peace broadcasts service system, comprises
Multiple signals collecting upstream device, is deployed in these three grades of nodes of central machine room, sub-headend and optical node respectively, exports picture data for the terminal gathering three grades of nodes and returns;
Monitor server, it is deployed in central machine room and is provided with secure content storehouse; This secure content storehouse for store legal, safety and standard compliant content, using the content basis as comparison; This monitor server is used for the picture data that Received signal strength gathers upstream device passback, and chooses content in picture data and secure content storehouse and compare, and when comparison exception output alarm information;
Monitoring client computer, for showing monitoring picture and the warning message of monitor server output.
Further, the terminal that described signals collecting upstream device gathers exports picture data with the IP signal return after conversion to monitor server.
Further, the terminal of described three grades of nodes is Set Top Box.
Beneficial effect of the present invention:
1. pioneering full-service three grades contrast scheme, utilize image comparison technology, just can realize full-service (video and audio, picture and text, data etc.) content by a system and prevent intercutting safe broadcast guarantee, changing the mode that traditional radio, TV and film industries business is equipped with a monitoring system.
2. first the definition in the passback of different level picture (business), image real time contrast technology and secure content storehouse is applied to radio, TV and film industries monitoring system, can realize screening safe broadcast illegal contents and signal quality at the whole network simultaneously, by branch company's safe broadcast monitoring system from head center's machine room in the past, expand to the above region of whole city's optical node, the later stage also can extend to each user terminal further.
3. adopt terminal Intel Virtualization Technology, realize center remote control sub-headend terminal (Set Top Box etc.) and carry out patrolling and examining and malfunction elimination, Timeliness coverage, localizing faults, auxiliary O&M.
terminological interpretation:
IP:Internet Protocol, the agreement interconnected between network.Carry out communicating and the agreement designed for computer network is interconnected.
MPEG:Moving Picture Experts Group, dynamic image expert group.Formulate the tissue of international standard specially for moving image and compress speech, be responsible for specially as CD sets up Audio and Video standard.Mainly contain MPEG-1, MPEG-2, MPEG-4, MPEG-7 and MPEG-21 etc. at present.
H.264: be also MPEG-4 Part X simultaneously, it is the high compression digital video coding-coding device standard that the joint video team (JVT, Joint Video Team) constituted jointly by ITU-T Video Coding Experts group (VCEG) and ISO/IEC dynamic image expert group (MPEG) proposes.
AVS:Audio Video coding Standard, source coding standard.China possesses the second generation source coding standard of independent intellectual property right, and it comprises four support such as main technical standards and compliance test standards such as system, video, audio frequency, digital copyright management.
The compress levels of MP2, MP3:MPEG-1 audio standard definition.
AC3:Audio Coding3, audio coding 3.The synonym of DOLBY DIGITAL, DOLBY DIGITAL is a kind of advanced audio compression technology, and it can be encoded to the independent sound channel that 6 bit rates are up to 448kbps at most.
AAC:Advanced Audio Coding, a kind of file compression formats aiming at voice data design.
DRA:Digital Rise Audio, the Digital Audio Coding Technology of a national standard.
OSD:On Screen Display, is be applied on CRT/LCD display, produces some special font or figures in the screen of display, allow user obtain some information.
EPG:Electronic Program Guide, electric program menu.Index and the navigation of miscellaneous service in digital TV set-top box are provided, provide all kinds of menu, button, link etc. that user can be supplied to select the assembly directly clicked during program.
TS flows: Transport Stream, transport stream.Be multiple parts of a program are carried out organizing according to the cross correlation between them and adds each part relationship description and program composition information, and be packaged into the code stream after transmission package further.TS stream is by video, audio frequency, PSI(Program Specific Information, Program Specific Information) etc. data be packaged into transmission package and transmit.Be mainly used in program transmission.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
Fig. 1 is system architecture diagram of the present invention;
Fig. 2 is the setting of comparison content of the present invention and issues interface schematic diagram;
Fig. 3 is the interface schematic diagram that the present invention adds task;
Fig. 4 is picture comparison schematic diagram in secure content storehouse of the present invention;
Fig. 5 is the contrast flow chart of picture and text matchmaker of the present invention money;
Fig. 6 is the contrast flow chart of central standard mass flow of the present invention.
Embodiment
As shown in Figure 1, the present invention is primarily of four part compositions:
1. signals collecting upstream device
Signals collecting and upstream device are deployed in each monitoring point, and be deployed in central machine room, sub-headend and optical node three nodes respectively with current common hierarchical level structure, Main Function comprises:
1) picture that monitoring point terminal (as Set Top Box) exports is gathered;
2) collection picture is converted to IP signal return to central machine room monitor server.
2. secure content storehouse
Secure content storehouse is deployed in central machine room, main stores legal, safety and standard compliant content, as the content basis of comparison, mainly comprises:
1) synchronous Mei Zi department is injected into the picture and text matchmaker money of media resource system;
2) the central standard quality TS of Real-time Collection flows.
3. monitor server
Monitor server, for each monitoring point signals collecting upstream device, and the management of its Contents for Monitoring and configuration.Major function comprises:
1) interpolation of monitoring point, signals collecting upstream device, amendment and deletion action;
2) coordinatograph of comparison content is chosen, but not whole picture and selecting, improves the accuracy of monitoring, the efficiency of comparison and monitoring, comparison content;
3) receive each signals collecting upstream device passback content, and concentrate export monitoring client computer to;
4) warning, log recording, and synchronous warning message is to monitoring client computer;
5) the teleaction service operational order receiving monitoring client computer is also unified is sent to each monitoring point terminal.
4. client computer is monitored
The Contents for Monitoring exporting monitor server and provide is provided, mainly comprises:
1) the monitoring picture of each monitoring point passback;
2) display alarm information;
3) support to carry out teleaction service operation to each monitoring point Set Top Box.
Present system operation principle is:
1. the setting of comparison content with issue
The present invention, by the administration page of monitor server, uses the simple frame of mouse to get to gathered output picture, realizes the setting of comparison content, as shown in Figure 2 (dotted line frame is that region got by frame):
The present invention also supports the comparison content of monitoring point terminal (Set Top Box) being added simultaneously to multiple zones of different, and adds multiple monitoring point simultaneously, as shown in Figure 3.
This partial content achieves:
1) the setting form of comparison area is simplified, effective ratio pair can be carried out to the zones of different of each different page of monitoring terminal (Set Top Box etc.) or business simultaneously, realize a system and multiple different business (program programme orientation, EPG advertisement, EPG word content, data broadcast, value-added service, the interactive advertising etc.) graph text information in current terminal is monitored;
2) selection of region comparison, effectively improves the precision of comparison;
3) selection of multiple monitoring point, effectively covers central machine room, sub-headend and optical node by monitoring range, simultaneously which nodes break down of quick diagnosis.
2. secure content storehouse picture comparison
The present invention, by the secure content storehouse of definition, realizes the effective ratio pair that monitoring point exports picture illegal contents and non-standard mass content, as shown in Figure 4.
The secure content storehouse that the present invention defines, set up by two effective approach:
1) legal matchmaker provides and injects synchronously: when picture and text matchmaker money is injected to media resource system by Mei Zi department, and synchronous transmission is a to secure content storehouse.The content of monitoring point Real-time Collection is by comparing with secure content storehouse, and it is legal to determine whether, then reports to the police to illegal contents, and performs as padded safe broadcast security mechanisms such as broadcasting, as illustrated in the flow chart of figure 5.
2) central standard mass flow is gathered: by gathering the standard quality stream of central machine room, comparing with the Contents for Monitoring of each sub-headend, optical node, determining whether each monitoring point Contents for Monitoring quality meets standard, as shown in Fig. 6 flow chart.
This partial content achieves:
1) definition in secure content storehouse, effectively sets up comparison mechanism that is legal, standardization;
2) the picture and text matchmaker that synchronous transmission is injected by the Mei Zi department of content auditing provides, and effectively ensures the legitimacy of secure content Ku Tuwen matchmaker money;
3) the standard quality stream that centring system directly exports is gathered, effective guarantee secure content storehouse graph-text content quality meets standard, with the transmission of effective ratio to the non-standard mass content that each sub-headend, optical node cause due to the reason such as abnormal signal, equipment fault;
4) by secure content storehouse, the picture comparison of realization mechanism, its picture is the comparison finally presenting result of current broadcast television signal transmission, flows the video and audio monitoring gathered than traditional TS, fault and problem diagnosis accuracy higher.
3. concentrate comparison and remote operation
All Contents for Monitorings, comparison result, warning message concentration of transmissions to the display of monitoring client computer, simultaneously by monitoring client computer, can be carried out teleaction service operation to the terminal of each monitoring point by the present invention.Adopt terminal Intel Virtualization Technology, realize center remote control sub-headend terminal (Set Top Box etc.) and carry out patrolling and examining and malfunction elimination, Timeliness coverage, localizing faults, auxiliary O&M; The centralized displaying of central machine room, sub-headend, optical node three grades of full-services (video and audio, picture and text, OSD etc.) signal, the method that judges between right and wrong effectively fast content or signal fault, start safe broadcast illegal contents handling device to illegal contents; To signal fault, then accurately lock fault point, instruct operation maintenance personnel to take corresponding measure, stop distributing of invalid work order in the past, realize support safety and broadcast and O&M service.
The foregoing is only preferred embodiments of the present invention, the present invention is not limited to above-mentioned execution mode, as long as the technical scheme realizing the object of the invention with basic same approach all belongs within protection scope of the present invention.
Claims (9)
1. radio and television full-service three grades of diagnostic methods, is characterized in that: comprise the following steps:
A), set up secure content storehouse, for store legal, safety and standard compliant content, as the content basis of comparison;
B) terminal gathering these three grades of nodes of central machine room, sub-headend and optical node exports picture data;
C) in selecting step B, picture data is compared as content in comparison content and steps A, and when comparison is abnormal output alarm information;
D) picture collected and warning message is shown.
2. a kind of radio and television full-service according to claim 1 three grades of diagnostic methods, is characterized in that: in described steps A, the content in secure content storehouse comprises synchronous Mei Zi department and is injected into the picture and text matchmaker money of media resource system and the central standard quality TS of Real-time Collection flows.
3. a kind of radio and television full-service according to claim 1 three grades of diagnostic methods, is characterized in that: the picture gathered in described step B is back to step C for its contrast after being converted to IP signal.
4. a kind of radio and television full-service according to claim 1 three grades of diagnostic methods, is characterized in that: the comparison content in described step C adopts coordinatograph to choose.
5. a kind of radio and television full-service according to claim 1 three grades of diagnostic methods, is characterized in that: the log recording also comprising comparison result and warning message in described step C.
6. a kind of radio and television full-service according to claim 1 three grades of diagnostic methods, is characterized in that: after output alarm information when comparison is abnormal, performs pad and broadcast the broadcast that ensures safety in described step C.
7. radio and television full-service three grades diagnosis peace broadcasts a service system, it is characterized in that: comprise
Multiple signals collecting upstream device, is deployed in these three grades of nodes of central machine room, sub-headend and optical node respectively, exports picture data for the terminal gathering three grades of nodes and returns;
Monitor server, it is deployed in central machine room and is provided with secure content storehouse; This secure content storehouse for store legal, safety and standard compliant content, using the content basis as comparison; This monitor server is used for the picture data that Received signal strength gathers upstream device passback, and chooses content in picture data and secure content storehouse and compare, and when comparison exception output alarm information;
Monitoring client computer, for showing monitoring picture and the warning message of monitor server output.
8. a kind of radio and television full-service three grades diagnosis peace according to claim 7 broadcasts service system, it is characterized in that: the terminal that described signals collecting upstream device gathers exports picture data with the IP signal return after conversion to monitor server.
9. a kind of radio and television full-service three grades diagnosis peace according to claim 7 broadcasts service system, it is characterized in that: the terminal of described three grades of nodes is Set Top Box.
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| CN109862347A (en) * | 2019-01-25 | 2019-06-07 | 国家新闻出版广电总局广播电视规划院 | A kind of TV Safe Broadcasting Evaluation in Support Ability method |
| CN110875046A (en) * | 2018-08-31 | 2020-03-10 | 河南广播电视台 | Synchronous transmission system based on national standard DRA and DRA + audio coding |
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Application publication date: 20150722 |