CN115086647A - Digital television value machine supervision system - Google Patents

Abstract

The invention discloses a digital television value machine monitoring system, comprising: the monitoring matrix comprises a primary monitoring matrix and a secondary monitoring matrix; the primary monitoring matrix is used for realizing the distributed monitoring and centralized management of the digital television service; the second-level monitoring matrix and the first-level monitoring matrix are in multi-level linkage and touch one-key switching, and are used for performing real-time code stream analysis and picture monitoring on digital television signals; the digital television shared information data SID model is used for realizing the sharing of enterprise digital television information data and has a uniform external interface with a digital television resource management system database; the open type on-duty supervision console of the digital television realizes taking data as a center, is used for carrying out real-time distributed monitoring on the digital television signals of the information source of a digital television main front-end computer room and the intermediate processing and broadcasting link, adopts a unified external interface with a digital television resource management database, can modify corresponding independent configuration database data according to application requirements, does not change software, can conveniently enlarge monitoring network scale, flexibly configures the functions of all monitoring points, and meets the requirement of continuous development of digital television services.

Description

A digital TV check-in supervision system

technical field

The invention relates to the technical field of cable broadcasting and TV live monitoring services, in particular to a digital TV check-in supervision system.

Background technique

The cable radio and TV front-end system mainly completes the functions of receiving, switching, distributing, transcoding, multiplexing, scrambling, switching, distributing, preventing non-slip broadcast, monitoring and monitoring, and network management of various sources. The system is mainly received by the source. , signal source processing, signal processing, distribution and transmission, anti-illegal insertion, monitoring and monitoring, resource management and integrated network management, network security and EPG, NTP and other application systems. With the development of cable broadcasting and TV technology, there are more and more equipment in the front-end room of cable broadcasting and TV, and the scale of cable broadcasting and TV is getting bigger and bigger. The total front-end of cable digital TV has the following characteristics: there are many programs and many sources , The program passes through a long link, many types of signals, many devices, and complex lines.

At present, although a highly intelligent digital TV broadcast monitoring and monitoring system has been built in the front-end computer room of cable broadcasting and television to detect broadcast abnormalities, the check-in personnel still need to rely on paper forms to inquire and manipulate Switching multiple key panels one by one has low work efficiency and affects troubleshooting time. When technicians conduct daily inspections, they also need to operate multiple key panels in turn, and switch back and forth repeatedly, resulting in a huge workload.

In the existing large-scale front-end computer room of digital TV, when the operator on duty manually conducts signal inspection, it is necessary to operate multiple key panels in turn, switch the corresponding code stream one by one, and call the code stream analysis equipment; the information of the existing check-in supervision platform is not unified, and there are Each independent information island, information maintenance is not unified.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned technical problems, the purpose of the present invention is to provide a digital TV check-in supervision system, which improves the work efficiency of the daily patrol inspection of the on-duty personnel, and helps the technicians to quickly troubleshoot the fault when the broadcast is abnormal. The reason is to provide technical support and guarantee for the safe broadcasting of radio and television.

The object of the present invention is achieved through the following technical solutions:

A digital TV check-in supervision system, comprising:

Monitoring matrix, including a first-level monitoring matrix and a second-level monitoring matrix; the first-level monitoring matrix is used to realize distributed monitoring and centralized management of digital TV services; the second-level monitoring matrix and the first-level monitoring matrix are multi-level linkage and touch control One-key switching for real-time stream analysis and screen monitoring of digital TV signals;

The digital TV shared information data SID model is used to realize the sharing of enterprise information data, and has a unified external interface with the digital TV resource management system database;

The digital TV check-in supervision console realizes "data-centric", which is used to monitor the real-time distribution and monitoring of digital TV signals in the signal source, intermediate processing and broadcast links of the digital TV general front-end computer room, and modify the corresponding digital TV signals according to application requirements. Resource management system database data.

One or more examples of the present invention may have the following advantages over the prior art:

The digital TV touch-control check-in supervision system of the present invention adopts "distributed monitoring and centralized management", which can dynamically query and display the information of the input ports of the large-scale monitoring matrix, and realize the "multi-level linkage, touch-sensitive one-key switching" of the subsequent monitoring matrix "Control, the user only needs to touch the "execute switch" button with the fingertip to quickly call the integrated code stream analyzer for digital TV signal code stream analysis, completely freeing the duty staff from relying on paper inquiries and manipulating multiple data streams in the past. The working mode switched by the button panel greatly improves the work efficiency of the daily inspection of the duty personnel, and helps the technicians to quickly troubleshoot the cause of the failure when the broadcast is abnormal, and provides technical support and guarantee for the safe broadcast of radio and television. The invention adopts the external interface database, and realizes the idea of "taking the data as the center". When the monitoring tasks increase, the frequency points increase and the network scale expands, the corresponding database data can be modified according to the actual application requirements, without changing the software program. , it can easily expand the scale of the monitoring network, flexibly configure the functions of each monitoring point, meet the needs of the continuous development of digital TV services, and has strong scalability. According to the structure and characteristics of the broadcasting system of the digital TV front-end computer room, the invention adopts the digital TV shared information data (SID) model, has a unified external interface with the digital TV resource management system, and has the sharing and expansion of the digital TV information data. It can ensure the accuracy and consistency of data, and avoid the generation of information islands and repeated maintenance of data.

Description of drawings

Figure 1 is a structural diagram of a digital TV check-in supervision system;

Fig. 2 is the topological structure diagram of the digital TV check-in supervision system in the embodiment;

Figure 3 is the control interface diagram of the check-in desk;

Fig. 4 is a digital TV shared information data SID model diagram;

Fig. 5 is the interface E-R model diagram of digital TV check-in supervision system;

Fig. 6 is the linkage switching schematic diagram of monitoring matrix;

Fig. 7 is the linkage switching schematic diagram of monitoring matrix;

Figure 8 is a schematic diagram of the configuration database toolbar;

Fig. 9 is a schematic diagram of database path setting;

Figure 10 is a schematic diagram of IP toolbar settings;

Fig. 11 is the IP schematic diagram of setting;

Figure 12 is a schematic diagram of monitoring matrix execution switching.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the embodiments and accompanying drawings.

As shown in Figure 1, it is the structure of the digital TV check-in supervision system, including a monitoring matrix, including a first-level monitoring matrix and a second-level monitoring matrix; the first-level monitoring matrix is used to realize distributed monitoring and centralized management of digital TV services; The second-level monitoring matrix and the first-level monitoring matrix are multi-level linkage, touch one-key switching, and are used for real-time code stream analysis and picture monitoring of digital TV signals;

Introduce all source signals, including satellite sources, national backbone network sources, SDH sources, etc., as well as some intermediate processing key links, into the input port of the first-level monitoring matrix, and update the digital TV front-end computer room Resource management system database. Then, through the digital TV check-in supervision system of this embodiment, the information of all the input ports of the first-level first monitoring matrix can be dynamically queried and displayed, and the "multi-level linkage, touch-sensitive" function of the first-level first monitoring matrix and the second-level monitoring matrices can be realized. Control one-key switching" control, instead of the past working mode of "checking paper forms first, and then manipulating multiple control panels", users only need to touch the "execute switching" button with their fingertips to quickly switch any input port. The signal is sent to the corresponding output port, and the integrated code stream analyzer is called for digital TV signal stream analysis, digital TV signal stream descrambling, MPEG decoding, image analysis, and digital audio monitoring. As shown in Figure 6, it is a first-level monitoring matrix. linkage switch.

First-level second monitoring matrix: Introduce most of the intermediate processing link signals and some special monitoring frequency signals to the input port of the first-level second monitoring matrix, and update the database of the digital TV front-end computer room resource management system. Then through the check-in supervision platform software, the information of all the first-level second monitoring matrices and the input ports of the second-level monitoring matrices can be dynamically queried and displayed, and the "multiple" multi-level monitoring matrix of the first-level second monitoring matrix and the second-level monitoring matrices can be realized. Level linkage, touch one-key switching" control, instead of the past working mode of "checking paper forms first, and then manipulating multiple control panels", users only need to touch the "execute switching" button with their fingertips to perform Digital TV signal stream analysis, digital TV signal stream descrambling, MPEG decoding, image analysis, and digital audio monitoring are shown in Figure 7 as a schematic diagram of the linkage switching of the first-level second monitoring matrix.

The specific switching commands of one-level and multiple monitoring matrices are: QD command, query the status of output ports (DESTINATION); QQ command, query the detailed status of a specified number of discontinuous output ports; QI command, query the status of a specified number of continuous output ports. Detailed status; AM command, specify the connection between a certain output port and input port, there can be multiple layers in a package; AS command, specify the connection between a certain output port and input port; LK command, lock a certain output port; UL command, Unlock a certain output port; LA command, lock or unlock all output ports; TK command, execute switching command.

The interface standard adopted by each monitoring matrix of the second level is RS232, 2400bit/s, 8data, 1stop bit, Noparity, cable, and the connection method is as follows:

computer side matrix side

2----------------------------3

3----------------------------2

5----------------------------5

illustrate:

1: The value of several fixed characters in the following command is

<SOH>=01, <EOT>=04, <ACK>=06, <NAK>=21

2: CHECKSUM is the check byte.

3: The number of channels in the communication protocol plus 1 is the actual number of channels, that is, "0" in the communication protocol corresponds to

The 1st way, "7" corresponds to the 8th way.

4: When the source and destination values of the matrix keyboard or remote controller are changed, the system sends the refresh character ‘! ’; The computer can issue query instructions to query the current state.

Table 1 shows the definitions and functions of each "core" in the secondary supervision matrix of the digital TV check-in supervision system:

Table 1

The above-mentioned first-level monitoring matrix and second-level monitoring matrix include multiple units, and this embodiment only describes the first-level first monitoring matrix, the first-level second monitoring matrix, the second-level first monitoring matrix, and the second-level monitoring matrix in detail. . And through the touch linkage switching control of multiple first-level monitoring matrices, coupled with reasonable overall system planning and design, it is now possible to conduct real-time monitoring of all signal sources in the digital TV front-end room and the digital TV code stream signals in the intermediate processing links. , and realizes a data-centric topology structure, which has good scalability, can easily expand the scale of the monitoring network, flexibly configure the functions of each monitoring point, and meet the needs of system functions, network bandwidth and communication capacity.

According to the structure and characteristics of the broadcasting system of the digital TV head-end computer room, this embodiment adopts the digital TV shared information data (SID) model, has a unified external interface with the resource management system, has the sharing and expansibility of information data, and can It ensures the accuracy and consistency of data, and avoids the generation of information islands and repeated maintenance of data; the detailed interface structure is as follows:

select v.pdevice_proj_no as PDEVICEPROJNO,

v.ts_id as TSID,

v.order_no as ORDERNO,

v.proj_no as PROJNO,

v.pdevice_category_name as PDEVICECATEGORYNAME,

v.signal_name as SIGNALNAME,

v.signal_code as SIGNALCODE,

v.program_list as PRORAMLIST

from rpt_matrix_input_config v

where upper(v.pdevice_proj_no) like upper('%RS%MON.01%')and v.id in(

select spv.signal_id

from signal_Program_v spv,program p

where spv.program_ID=p.id(+))

order by v.pdevice_proj_no,v.order_no

The digital TV shared information data SID model is used to realize the sharing of enterprise digital TV information data, and has a unified external interface with the digital TV resource management system database; the collection of digital TV service data shared by all digital TV core network elements, That is, the digital TV shared information data SID, the data in the SID is organized and managed according to the enterprise-level digital TV shared data model. SID is composed of SID framework and SID analysis and design model, focusing on data logic structure, and provides the basis for digital TV information data sharing. SID plans the digital TV enterprise data, abstracts and encapsulates the digital TV enterprise data into a series of entities, and defines the attributes, operations and associations of these entities. Starting from the digital TV service view, based on the digital TV service processing model, SID defines various aggregated digital TV service entities (ABE) and Various business entities BE, and they are divided into different digital TV management domains, forming a digital TV system and an infographic SIM, so as to maximize the sharing of digital TV information and data. On the other hand, SID defines the attributes of various business entities from the viewpoint of building an OSS system, and uses UML to combine them organically to form a digital TV UML model, which is designed to realize the actual use of the OSS system. The DTV Shared Data Model provides a reference model. The invention adopts the digital TV shared information data SID standard to unify, standardize and model the digital TV resource data, establish and form the digital TV SID system framework, and formulate perfect specifications and standards, and the digital TV resource management system (GRMS) With a unified external interface, it has strong sharing and expansibility, which solves the inconsistency of data specifications and business standards for many digital TV management and applications, and avoids the generation of digital TV information islands and redundant information; digital TV The shared information data SID model is shown in Figure 2 and Figure 3.

The above-mentioned digital TV check-in supervision system is designed as an independent IP network, which can meet the needs of internal and external communication. The private IP address segment is used to ensure that the external network cannot access the monitoring network; when assigning private addresses, the network addresses can be fully utilized, the routing table can be reduced, and the routing efficiency can be improved.

Further, this embodiment adopts distributed monitoring and centralized management, and adopts a distributed arrangement of multiple large-scale monitoring matrices. All-round, multi-link distributed monitoring and monitoring of digital code streams and signaling table signals in all links such as broadcast, pre-multiplexing, bit rate adjustment, broadcast re-multiplexing, source aggregation switches, core switches, QAM modulation, etc. Unified and centralized management is carried out through the digital TV check-in supervision platform, which effectively solves the problems of many types of equipment to be monitored and many monitoring points to be monitored in the digital TV broadcast room;

Further, in this embodiment, multi-level linkage and one-key touch switching are used to realize the touch linkage switching of multi-level monitoring matrices. The touch screen control switching of the second-level check-in station monitoring matrix, and the one-key linkage between the multi-level monitoring matrices, realizes the rapid monitoring and monitoring management of digital TV signal services;

Further, this embodiment adopts the basic idea of data-centric to build an open check-in supervision platform, which is forward-looking, open and scalable. When monitoring tasks increase, frequency points increase, and network scale expands, it can For practical application requirements, by modifying the corresponding independently configured database data without changing the software itself, the scale of the monitoring network can be easily expanded, and the functions of each monitoring point can be flexibly configured to meet the needs of the continuous development of digital TV services;

Still further, this embodiment integrates a variety of code stream analysis platforms, which can analyze and monitor digital TV signal code streams, and provide a digital TV signal code stream analysis, digital TV signal stream descrambling, MPEG decoding, image The broadcast monitoring system and method integrating analysis and digital audio monitoring realize the operation monitoring and monitoring of digital TV in terms of safety, quality, and video and audio, and effectively ensure the safe operation of digital TV.

FIG. 4 is a topology diagram of this embodiment, and FIG. 5 is a schematic diagram of a control interface of the check-in station.

The digital TV check-in supervision console is used to monitor the real-time distribution of digital TV signals in the signal source, intermediate processing and broadcast links of the digital TV front-end computer room, and modify the corresponding resource management system database data according to application requirements.

The source signals include satellite sources, national trunk network sources, and SDH sources; the satellite sources are sent to the active-standby switching pre-multiplexer through the satellite receiver group and transmitted to the first-level first monitoring matrix. When the signal arrives at the re-multiplexer for distribution and transmission, it has already passed through the links of source aggregation, anti-pattern broadcast, source preprocessing, bit rate adjustment, and most of the intermediate equipment such as distributors, switches, aggregation switches, and core switches. , any problems in the above links will be manifested here; at the same time, data such as CA, signaling and application are also mixed, which is the last level of stream layer equipment before the signal is distributed and transmitted, so all active and standby should be multiplexed The output code stream of the modulator is monitored, and it can be traced back to whether the signal output through the BMR is normal, and downward to ensure that the output code stream has no problems to the RHE modulator.

There are three system menus provided in this embodiment: Tools, View, and Help. The “Tools” menu item has three main submenus: “Execute Switch”, “Configuration Database”, “IP Settings”, and “Exit”; the shortcut toolbar There are four buttons: "Configuration Database", "IP Settings", "Perform Switch", "User Manual". The detailed operation instructions are as follows:

"Configuration Database": Reconnect the configuration database and update the input/output port information. After the user clicks, the following dialog box will appear, and the corresponding configuration database can be selected. If the system program of the present invention is run for the first time, this dialog box will also appear automatically. After selection, it will be automatically memorized, and will not appear automatically the next time the program is run (as shown in Figures 8 and 9).

"IP Setting": Set the IP addresses of the large-scale first monitoring matrix and the large-scale second monitoring matrix. After the user clicks, the following setting dialog box will appear; the IP address of this setting should be consistent with the actual IP address of the monitoring matrix. The control of the first-level first monitoring matrix and the first-level second monitoring matrix in the present invention is realized through TCP/IP, so the IP addresses of the client and each first-level monitoring matrix server must be preset in the same VLAN network segment Inside, ensure that the line is unblocked (can ping each other), the IP setting toolbar and setting IP are shown in Figure 10 and Figure 11.

"Execution switching": the user touches the "execution switching" button with the fingertips on the screen, the invention realizes the touch linkage switching action for the first-level first monitoring matrix and the first-level second monitoring matrix, and switches the corresponding input port signal to Figure 12 shows the implementation of switching between the second-level first monitoring matrix and the second-level second monitoring matrix of different check-in stations.

"Exit"--exit the digital TV check-in supervision system of the present invention.

"View": Show/hide the shortcut toolbar and status bar.

"Help": Open the user manual and view the introduction of the development of the digital TV check-in supervision system of the present invention, etc.

The above-mentioned embodiment realizes the following functions:

Remote control of multiple first-level 256*16, 128*16 and other large-scale monitoring matrices through Ethernet realizes distributed monitoring and centralized management of digital TV services;

The touch control switching of the second-level small monitoring matrix of the check-in station is realized through the serial port, and the one-key linkage with the first-level distributed monitoring matrix realizes multi-level linkage and one-touch switching, which can be used for digital TV signals. Perform real-time code stream analysis and screen monitoring;

It adopts the digital TV information data sharing SID model, and has a unified external interface with the digital TV resource management system database. All digital TV data information is generated from the digital TV resource management system database query, which can ensure the accuracy and consistency of the data information, avoid The generation of information islands and the repeated maintenance of data.

Using the basic idea of centering on data, an open check-in supervision platform is constructed. When the monitoring tasks increase, the frequency points increase and the network scale expands, the corresponding independently configured database data can be modified according to the actual application requirements without changing. The software itself can easily expand the scale of the monitoring network, flexibly configure the functions of each monitoring point, and meet the needs of the continuous development of digital TV services.

It integrates a variety of code stream analysis platforms, which can analyze and monitor the digital TV signal code stream. out the monitoring system.

Although the embodiments disclosed in the present invention are as above, the described contents are only the embodiments adopted to facilitate the understanding of the present invention, and are not intended to limit the present invention. Any person skilled in the art to which the present invention belongs, without departing from the spirit and scope disclosed by the present invention, can make any modifications and changes in the form and details of the implementation, but the scope of patent protection of the present invention, The scope as defined by the appended claims shall still prevail.

Claims (8)

1. a digital television check-in supervision system, is characterized in that, described system comprises: A monitoring matrix, including a first-level monitoring matrix and a second-level monitoring matrix; the first-level monitoring matrix is used to realize distributed monitoring and centralized management of digital TV services; the second-level monitoring matrix and the first-level monitoring matrix are multi-level linkage and touch control One-key switching for real-time stream analysis and screen monitoring of digital TV signals; The digital TV shared information data SID model is used to realize the sharing of enterprise information data, and has a unified external interface with the digital TV resource management system database; The digital TV check-in supervision console realizes the data as the center. It is used to monitor the real-time distribution and monitoring of digital TV signals in the signal source, intermediate processing and broadcast links of the digital TV front-end computer room, and modify the corresponding resources according to the application requirements. Manage system database data. 2 . The digital TV check-in supervision system according to claim 1 , wherein the first-level monitoring matrix comprises a plurality of, wherein distributed monitoring is adopted between the first-level first monitoring matrix and the first-level second monitoring matrix. 3 . , centralized management, for satellite QPSK, SDH source, national backbone network source, iLYNX main and backup source, two alternatives, anti-law advance broadcast, pre-multiplexing, bit rate adjustment, broadcast and re-multiplexing, source aggregation All-round and multi-link distributed monitoring and monitoring of switches, core switches, and QAM modulation of all links of digital code streams and signaling table signals, and unified and centralized management through the digital TV check-in monitoring platform, effectively solving the problem of digital TV broadcast room. There are many types of equipment to be monitored and many monitoring points to be monitored. 3. The digital TV check-in supervision system according to claim 1, wherein the two-level monitoring matrix comprises a plurality of monitoring matrices, wherein the first-level monitoring matrix receives the signal of the intermediate processing link and the monitoring frequency through the input port. Point signal, and dynamically query the input information of all ports of the first-level multiple monitoring matrices and the second-level monitoring matrices through the check-in supervision platform software, and fingertip touch execution between the first-level multiple monitoring matrices and the second-level monitoring matrixes Linkage switching, the user can use the fingertip to touch the screen switching button to perform multi-level linkage between each monitoring matrix of the second level and multiple monitoring matrices of the first level, and touch one-key switching to realize the switching between the second-level monitoring matrix and the first-level monitoring matrix. The control function of linkage and touch one-key switching. 4. The digital TV check-in supervision system according to claim 1, wherein the information source signal comprises satellite information source, national backbone network information source, SDH information source, iLYNX main and backup information source; The source is sent to the master-standby switching pre-multiplexer through the satellite receiver group and passed to the first-level monitoring matrix. 5. The digital TV check-in supervision system according to claim 1, wherein the signal of the intermediate processing link sends the code stream to the first-level second monitoring matrix through the code stream processing device, wherein the code stream processing device includes Satellite receiver, code stream switcher, anti-law switch, active/standby switching pre-multiplexer, source aggregation switch, active/standby transcoder, core processing switch, multiplexing and distribution subsystem. 6. The digital TV check-in supervision system according to claim 1, wherein the digital TV shared information data SID model is a collection of digital TV service data shared by all digital TV core network elements. The data in the TV sharing information data SID model is organized and managed according to the enterprise-level digital TV sharing data model, focusing on the data logic structure, abstracting and encapsulating the enterprise digital TV data into a series of entities, and defining the attributes, operations and associations of the entities relationship, providing the basis for sharing digital TV information data; the digital TV sharing information data SID model starts from the digital TV business view, is based on the check-in supervision console business processing model, and is based on various business information involved in the business process. The abstraction and analysis of various aggregated digital TV business entities ABE and various business entities BE, and the digital TV business entity ABE and various business entities BE are divided into different management domains to form digital TV systems and information diagrams SIM realizes strong sharing and expansibility of digital TV information and data, so as to realize the unification of data specifications and service standards for digital TV management and application, and avoid the generation of digital TV information islands and redundant information. 7. The digital TV check-in supervision system according to claim 1, wherein the digital TV check-in supervision console realizes the construction of an open check-in supervision console with data as the center, and is connected with digital TV resources. The management database adopts a unified external interface. According to the actual application requirements, by modifying the corresponding independent configuration database data without changing the software itself, the scale of the monitoring network can be easily expanded, and the functions of each monitoring point can be flexibly configured to meet the continuous needs of digital TV services. development needs. 8 . The digital TV check-in supervision system according to claim 1 , wherein the system further comprises a code stream analysis platform, and the code stream analysis platform is a collection of digital TV signal code stream analysis and digital TV signal stream descrambling. 9 . , MPEG decoding, image analysis, digital audio monitoring as one of the broadcast monitoring system.

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