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

Digital television value machine supervision system

Technical Field

The invention relates to the technical field of cable broadcast television live broadcast monitoring service, in particular to a digital television value machine supervision system.

Background

The front-end system of the cable broadcast television mainly completes the functions of receiving, switching, distributing, coding and transcoding, multiplexing, scrambling, exchanging, distributing, non-cushion broadcasting prevention, monitoring, network management and the like of various information sources, and the system mainly comprises application systems of information source receiving, information source processing, signal processing, distribution transmission, illegal inter cut prevention, monitoring, resource management and comprehensive network management, network security, EPG, NTP and the like. With the development of cable broadcast television technology, more and more devices are arranged in a front-end computer room of the cable broadcast television, the scale of the cable broadcast television is larger and larger, and the cable digital television general front end has the following characteristics: the number of programs is large, the sources of the programs are large, the program passing links are long, the types of signals are various, the equipment is multiple, and the circuits are complex.

At present, a highly intelligent digital television broadcasting monitoring system is already built in a front-end computer room of a cable broadcast television for finding broadcasting abnormity; however, after the broadcast abnormality is found, the operator also needs to inquire by depending on the paper table and then operate the plurality of key panels to switch one by one, so that the working efficiency is low, and the troubleshooting time is influenced; when technicians patrol daily, a plurality of key panels need to be operated in turn, switching is carried out repeatedly, and workload is huge.

When a person on duty manually inspects signals, the existing large-scale front-end computer room of the digital television needs to alternately operate a plurality of key panels, switch corresponding code streams one by one and call code stream analysis equipment; the existing check-in supervision platform has non-uniform information, independent information islands exist, and information maintenance is not uniform.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a digital television watch-on supervision system, which improves the working efficiency of daily routing inspection of a watch keeper, helps technicians to quickly troubleshoot fault reasons when broadcasting is abnormal, and provides technical support and guarantee for safe broadcasting of broadcast televisions.

The purpose of the invention is realized by the following technical scheme:

a digital television watch-dog supervision 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 information data and has a uniform external interface with a digital television resource management system database;

the digital television on-board supervision console realizes 'data-centered' and is used for carrying out real-time distributed monitoring on a signal source of a digital television main front-end computer room and digital television signals in an intermediate processing and broadcasting link and modifying corresponding data of a resource management system database according to application requirements.

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

the digital television touch control on-duty supervision system adopts distributed monitoring and centralized management, can dynamically inquire and display the information of an input port of a large-scale monitoring matrix, and realizes the control of multi-level linkage and touch control one-key switching of a rear-stage monitoring matrix, and a user can quickly call an integrated code stream analyzer to analyze a digital television signal code stream only by touching and pressing an execution switching key by a fingertip touch screen, so that a duty worker is thoroughly free from the past working mode of operating the switching of a plurality of key panels by depending on paper inquiry, the working efficiency of daily routing inspection of the duty worker is greatly improved, technical personnel can be helped to quickly troubleshoot fault reasons when the broadcasting is abnormal, and technical support and guarantee are provided for safe broadcasting of broadcast televisions. The invention adopts the external interface database, realizes the idea of 'taking data as the center', can conveniently enlarge the monitoring network scale by modifying the corresponding database data without changing the software program according to the actual application requirements when the monitoring tasks are increased, the frequency points are increased and the network scale is enlarged, flexibly configures the functions of each monitoring point, meets the requirement of continuous development of digital television services and has strong expandability. According to the broadcasting system structure and characteristics of the digital television main front-end machine room, the digital television Shared Information Data (SID) model is adopted, the digital television shared information data model and the digital television resource management system have a unified external interface, the digital television information data sharing performance and the digital television information data expansibility are realized, the data accuracy and consistency can be ensured, and the generation of information isolated islands and the repeated maintenance of the data are avoided.

Drawings

FIG. 1 is a diagram of a digital television watch supervisory system;

FIG. 2 is a topological architecture diagram of a digital television watch dog supervision system in an embodiment;

FIG. 3 is a diagram of a check-in console control interface;

fig. 4 is a digital television shared information data SID model diagram;

FIG. 5 is a diagram of an E-R model of a digital television value machine supervisory system interface;

FIG. 6 is a schematic view of the linkage switching of the monitoring matrix;

FIG. 7 is a schematic view of the linkage switching of the monitoring matrix;

FIG. 8 is a schematic view of a configuration database toolbar;

FIG. 9 is a database path setup diagram;

FIG. 10 is an IP toolbar setting up schematic;

FIG. 11 is an IP diagram of a setup;

fig. 12 is a schematic diagram of the switching performed by the monitoring matrix.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.

As shown in fig. 1, the digital television monitoring system structure includes a monitoring matrix, including 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;

all signal sources including satellite signal sources, national grid signal sources, SDH signal sources and the like and partial signals of intermediate processing key links are all introduced into an input port of the first-stage monitoring matrix, and a digital television front-end computer room resource management system database is updated. Then, by the digital television value machine monitoring system of the embodiment, the information of the input ports of all the first-stage first monitoring matrixes can be dynamically inquired and displayed, the control of multi-stage linkage and touch one-key switching of the first-stage first monitoring matrixes and the second-stage monitoring matrixes is realized, the traditional working mode of firstly inquiring a paper table and then operating a plurality of control panels is replaced, a user can quickly switch any input port signal to a corresponding output port only by touching and pressing an execution switching key with a fingertip touch screen, and an integrated code stream analyzer is called to perform digital television signal code stream analysis, digital television signal stream descrambling, MPEG decoding, image analysis and digital audio monitoring, and the digital television value machine monitoring system is linkage switching of the first-stage first monitoring matrixes as shown in FIG. 6.

A first-level second monitoring matrix: and introducing most of signals in the intermediate processing link and part of specially monitored frequency point signals into an input port of the first-stage second monitoring matrix, and updating a digital television front-end computer room resource management system database. Then, through the software of the value machine supervision platform, the information of all the first-stage second monitoring matrixes and the input ports of the second-stage monitoring matrixes can be dynamically inquired and displayed, the multi-stage linkage and touch one-key switching control of the first-stage second monitoring matrixes and the second-stage monitoring matrixes is realized, the traditional working mode of firstly inquiring a paper table and then operating a plurality of control panels is replaced, and a user can perform digital television signal code stream analysis, digital television signal stream descrambling, MPEG decoding, image analysis and digital audio monitoring only by touching and pressing an execution switching key with a fingertip touch screen, so that the linkage switching schematic diagram of the first-stage second monitoring matrixes is shown in figure 7.

The specific switching instructions of the one-level multi-monitoring matrix are respectively as follows: a QD instruction to query output port (DESTINATION) status; a QQ instruction to query the detailed status of a specified number of discrete output ports; a QI instruction, which queries the detailed status of a specified number of consecutive output ports; AM instructions specifying the connection of an egress port to an ingress port, which may have multiple layers in a packet; an AS command specifying a connection between an output port and an input port; an LK instruction, locking an output port; a UL instruction is used for unlocking an output port; LA order, lock or unlock all outlets; and TK instruction, executing the switching command.

The interface standard adopted by each monitoring matrix of the second stage is RS232, 2400bit/s,8data,1stop bit, No parity, and the connection mode is as follows:

matrix terminal at computer terminal

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

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

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

Description of the drawings:

1: the values of several fixed characters in the following command are

<SOH>＝01，<EOT>＝04，<ACK>＝06，<NAK>＝21

2: CHECKSUM is a check byte.

3: the number of paths in the communication protocol is added with 1 to be the actual number of paths, i.e. "0" in the communication protocol corresponds to

Lane 1, "7" corresponds to lane 8.

4 when the source and destination values of the matrix keyboard or remote controller are changed, the system sends a refresh character'! '; the computer may issue a query instruction to query the current state.

Table 1 shows the definitions and functions of the cores in the secondary supervision matrix of the digital tv value system:

TABLE 1

The first-level monitoring matrix and the second-level monitoring matrix include a plurality of matrixes, and the embodiment is described in detail only by the first-level monitoring matrix, the second-level monitoring matrix and the third-level monitoring matrix. By the touch linkage switching control of a plurality of primary monitoring matrixes and reasonable overall system planning design, all information sources of a digital television front-end computer room and digital television code stream signals of an intermediate processing link can be monitored in real time, a data-centered topological structure is realized, the system has good expandability, the monitoring network scale can be conveniently expanded, the functions of each monitoring point can be flexibly configured, and the requirements of the system in the aspects of system function, network bandwidth, communication capacity and the like are met.

According to the structure and the characteristics of a broadcasting system of a digital television main front-end computer room, a digital television Shared Information Data (SID) model is adopted, a unified external interface is provided with a resource management system, the information data sharing performance and the expansibility are achieved, the accuracy and the consistency of the data can be ensured, and the generation of an information isolated island and the repeated maintenance of the data are avoided; 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 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 digital television service data set shared by all digital television core network elements, namely digital television shared information data SID, data in SID is organized and managed according to an enterprise-level digital television shared data model. SID is composed of SID frame and SID analysis design model, and focuses on data logic structure, providing the basis of digital TV information data sharing. SID plans out the digital television enterprise data, abstracts and packages the digital television enterprise data into a series of entities, and defines attributes, operations and associations of the entities. The SID starts from a digital television service view, defines various polymerizable digital television service entities (ABE) and various service entities BE according to abstraction and analysis of various digital television service information related in a service process on the basis of a digital television service processing model, and divides the service entities into different digital television management domains to form a digital television system and an information graph SIM (subscriber identity module), thereby maximally realizing sharing of digital television information and data. On the other hand, from the viewpoint of building the OSS system, the SID defines attributes of various service entities, and organically combines them together by using UML to form a digital television UML model, thereby providing a reference model for a digital television shared data model designed to be actually used by the OSS system. The digital television shared information data SID specification is adopted, digital television resource data are unified, normalized and modeled, a digital television SID system framework is established and formed, perfect specifications and standards are formulated, a unified external interface is provided with a digital television resource management system (GRMS), and the digital television SID system framework has stronger sharing property and expansibility, so that the problem that the data specifications and service standards of a plurality of digital television management and application are not unified is solved, and the generation of digital television information islands and redundant information is avoided; the digital television sharing information data SID model is shown in fig. 2 and 3.

The digital television monitoring system is designed as an independent IP network, and can meet the requirements of internal and external communication. A private IP address field is adopted to ensure that an external network cannot access a monitoring network; when the private address is distributed, the network address can be fully utilized, the routing list is reduced, and the routing efficiency is improved.

Furthermore, the embodiment adopts distributed monitoring and centralized management, adopts the distributed arrangement of a plurality of large monitoring matrixes, implements omnibearing and multi-link distributed monitoring and monitoring on digital code streams and signaling table signals of all links such as satellite QPSK, SDH information sources, national grid network information sources, iLYNX main and standby information sources, alternative, illegal broadcast padding, pre-multiplexing, code rate adjustment, broadcast re-multiplexing, information source convergence switches, core switches, QAM modulation and the like, and carries out unified centralized management through a digital television value machine monitoring platform, thereby effectively solving the problems of more types of equipment to be monitored and more monitoring amount to be monitored in a digital television broadcasting machine room;

furthermore, in the embodiment, multi-level linkage and touch one-key switching are adopted, so that touch linkage switching of a multi-level monitoring matrix is realized, a plurality of first-level large monitoring matrixes are remotely controlled through Ethernet, touch screen control switching of a second-level check-in station monitoring matrix is realized through serial ports, one-key linkage among the multi-level monitoring matrixes is realized, and rapid monitoring and monitoring management of digital television signal services are realized;

furthermore, the embodiment adopts a basic idea of taking data as a center to construct an open value machine supervision platform, has foresight, openness and expandability, and can conveniently expand the monitoring network scale and flexibly configure the functions of each monitoring point by modifying corresponding independently configured database data without changing software according to the actual application requirements when the monitoring tasks are increased, the frequency points are increased and the network scale is expanded, so as to meet the requirement of continuous development of digital television services;

furthermore, the present embodiment integrates multiple code stream analysis platforms, can analyze and monitor digital television signal code streams, and provides a broadcast monitoring system and method integrating digital television signal code stream analysis, digital television signal stream descrambling, MPEG decoding, image analysis, and digital audio monitoring, thereby implementing operation monitoring and monitoring of digital televisions in terms of safety, quality, video and audio, and effectively ensuring safe operation of digital televisions.

Fig. 4 is a schematic diagram of the topology architecture of the present embodiment, and fig. 5 is a schematic diagram of a console control interface.

The digital television on-board monitoring console is used for carrying out real-time distributed monitoring on digital television signals of an information source, intermediate processing and broadcasting links of a digital television main front-end computer room and modifying corresponding data of a resource management system database according to application requirements.

The information source signal comprises a satellite information source, a national backbone network information source and an SDH information source; and the satellite information source is sent to the main-standby switching pre-multiplexer through the satellite receiver group and is transmitted to the first-stage first monitoring matrix. The signal is transmitted to a remultiplexer for distribution and transmission, links such as information source convergence, illegal broadcast padding, information source pretreatment, code rate adjustment and the like and most intermediate equipment such as a distributor, a switcher, a convergence switch, a core switch and the like are already carried out, and problems occur in any link; meanwhile, data such as CA, signaling and application are also mixed, and the data is the last-stage code stream layer equipment before signal distribution and transmission, so that all the output code streams of the main and standby multiplexers are monitored, whether the signals are normally output through the BMR can be traced forward, and the output code streams are ensured to have no problem to the RHE modulator downwards.

The system menu provided by the embodiment has three menus: tools, viewing, help, wherein the menu item of "tools", the main submenus are: "perform handoff", "configure database", "IP setup", "exit"; the shortcut toolbar has four buttons, which are: "configuration database", "IP settings", "perform handover", "user manual". The detailed operation is described as follows:

"configuration database" reconnects the configuration database and updates the input/output port information. The user may select the corresponding configuration database by presenting a dialog box after clicking. If the system program of the invention runs for the first time, the dialog box will also appear automatically, after selection, the dialog box will be memorized automatically, and the next program running will not appear automatically (as shown in fig. 8 and fig. 9).

"IP settings": and setting the IP addresses of the large first-level first monitoring matrix and the large second-level monitoring matrix. After clicking, a user presents a setting dialog box as follows; the set IP address is to be consistent with the actual IP address of the monitoring matrix. The control of the first-level first monitoring matrix and the second-level monitoring matrix is realized by TCP/IP, so that the IP addresses of the client and the first-level monitoring matrix servers are required to be preset in the same VLAN network segment to ensure the smooth circuit (mutual ping communication), and an IP setting toolbar and an IP are set as shown in figures 10 and 11.

"execute handover": by touching and pressing the "execute switch" button with a fingertip, the invention implements the touch linkage switching action on the first-stage first monitoring matrix and the first-stage second monitoring matrix, switches the corresponding input port signal to the second-stage first monitoring matrix and the second-stage second monitoring matrix of different operator stations, and executes the switch as shown in fig. 12.

Exit-exit the digital television value machine supervision system of the invention.

"look at": displaying/hiding the shortcut toolbar and the status bar.

"help": opening a user manual and viewing the development situation introduction of the digital television on-board monitoring system and the like.

The above-described embodiment implements several functions:

the distributed monitoring and centralized management of the digital television service are realized by remotely controlling a plurality of large-scale monitoring matrixes, such as 256 × 16, 128 × 16 and the like, by the Ethernet;

the touch control switching of a second-level small monitoring matrix of the check-in station is realized through a serial port, and the touch control switching is linked with a first-level distributed monitoring matrix through a touch control key, so that the multi-level linkage and touch control key switching are realized, and the digital television signals can be subjected to real-time code stream analysis and picture monitoring;

the digital television information data sharing SID model is adopted, a uniform external interface is provided with a digital television resource management system database, all digital television data information is generated by inquiring the digital television resource management system database, the accuracy and consistency of the data information can be ensured, and the generation of information isolated islands and the repeated maintenance of data are avoided.

The method adopts a basic idea of taking data as a center to construct an open value machine supervision platform, and when monitoring tasks are increased, frequency points are increased and the network scale is enlarged, the monitoring network scale can be conveniently enlarged by modifying corresponding independently configured database data without changing software according to the actual application requirements, the functions of each monitoring point can be flexibly configured, and the requirement of continuous development of digital television services can be met.

The broadcasting monitoring system integrates various code stream analysis platforms, can analyze and monitor digital television signal code streams, and integrates digital television signal code stream analysis, digital television signal stream descrambling, MPEG decoding, image analysis and digital audio monitoring.

Although the embodiments of the present invention have been described above, the above descriptions are only for the convenience of understanding the present invention, and are not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. A digital television watch-dog supervision system, said 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 information data and has a uniform external interface with a digital television resource management system database;

the digital television on-board supervision console is used for carrying out real-time distributed monitoring on a signal source of a digital television main front-end computer room and digital television signals in an intermediate processing and broadcasting link by taking data as a center, and modifying corresponding data of a resource management system database according to application requirements.

2. The system according to claim 1, wherein the first-level monitoring matrix comprises a plurality of first-level monitoring matrices, and wherein a distributed monitoring and centralized management is adopted between the first-level monitoring matrix and the second-level monitoring matrix, and the system implements omnidirectional and multi-node distributed monitoring and monitoring on digital code streams and signaling table signals of all links of satellite QPSK, SDH information source, backbone network information source, iLYNX main and standby information sources, alternative, illegal broadcast-prevention broadcast-padded broadcast, pre-multiplexing, code rate adjustment, broadcast re-multiplexing, information source aggregation switch, core switch, QAM modulation, and unified centralized management is performed through the digital tv value machine supervision platform, thereby effectively solving the problems of multiple types of equipment to be monitored and multiple monitoring quantities to be monitored in the digital tv broadcast machine room.

3. The system as claimed in claim 1, wherein the second monitoring matrix comprises a plurality of first monitoring matrices, wherein the first monitoring matrices receive signals of the intermediate processing link and monitored frequency signals through the input ports, and dynamically query input information of all ports of the first monitoring matrices and the second monitoring matrices through the value machine monitoring platform software, fingertip touch control can be performed between the first monitoring matrices and the second monitoring matrices for linkage switching, and a user can perform multi-level linkage and touch control-by-key switching between the second monitoring matrices and the first monitoring matrices by touching a screen switching button with a fingertip, thereby realizing control functions of linkage and touch control-by-key switching between the second monitoring matrices and the first monitoring matrices.

4. The system according to claim 1, wherein the source signals include satellite sources, backbone sources, SDH sources, iLYNX primary and backup sources; and the satellite information source is sent to the main-standby switching pre-multiplexer through the satellite receiver group and is transmitted to the first-stage first monitoring matrix.

5. The system according to claim 1, wherein the intermediate processing unit sends the code stream to the second monitoring matrix via a code stream processing device, wherein the code stream processing device comprises a satellite receiver, a code stream alternative switch, a defense switch, a main/standby switch pre-multiplexer, a source convergence switch, a main/standby transcoder, a core processing switch, and a multiplexing distribution subsystem.

6. The system as claimed in claim 1, wherein the digital tv data sharing SID model is a collection of digital tv service data shared by all digital tv core network elements, and the data in the digital tv data sharing SID model is organized and managed according to an enterprise-level digital tv data sharing model, with emphasis on data logic architecture, and abstracts and encapsulates enterprise digital tv data into a series of entities, and defines attributes, operations and associations of the entities, providing a basis for digital tv information data sharing; the digital television shared information data SID model starts from a digital television service view, defines various polymerizable digital television service entities ABE and various service entities BE according to abstraction and analysis of various service information related in a service process on the basis of a service processing model of a value monitoring console, divides the digital television service entities ABE and the various service entities BE into different management domains to form a digital television system and an information graph SIM, and realizes stronger sharing and expansibility of digital television information and data, thereby realizing unification of data specifications and service standards of digital television management and application, and avoiding generation of digital television island information and redundant information.

7. The system as claimed in claim 1, wherein the digital tv operator supervision console implements data-centric construction of an open operator supervision console, and employs a unified external interface with the digital tv resource management database, so that the system can conveniently expand the monitoring network scale by modifying corresponding independent configuration database data according to actual application requirements without changing software itself, flexibly configure functions of each monitoring point, and meet the requirement of continuous development of digital tv services.

8. The system according to claim 1, further comprising a stream analysis platform, wherein the stream analysis platform is a broadcast monitoring system integrating digital television signal stream analysis, digital television signal stream descrambling, MPEG decoding, image analysis, and digital audio monitoring.

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