CN113179426A - High-security audio and video command and scheduling system - Google Patents
High-security audio and video command and scheduling system Download PDFInfo
- Publication number
- CN113179426A CN113179426A CN202110447748.6A CN202110447748A CN113179426A CN 113179426 A CN113179426 A CN 113179426A CN 202110447748 A CN202110447748 A CN 202110447748A CN 113179426 A CN113179426 A CN 113179426A
- Authority
- CN
- China
- Prior art keywords
- video
- equipment
- audio
- scheduling
- command
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004891 communication Methods 0.000 claims abstract description 53
- 238000012544 monitoring process Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000006855 networking Effects 0.000 claims abstract description 14
- 230000006870 function Effects 0.000 claims description 29
- 238000007726 management method Methods 0.000 claims description 20
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- 230000003044 adaptive effect Effects 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 15
- 230000004044 response Effects 0.000 claims description 15
- 230000000739 chaotic effect Effects 0.000 claims description 13
- 230000000007 visual effect Effects 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000013500 data storage Methods 0.000 claims description 3
- 238000012217 deletion Methods 0.000 claims description 3
- 230000037430 deletion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000010295 mobile communication Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/001—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using chaotic signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention relates to the technical field of communication, in particular to a high-confidentiality audio and video command and scheduling system. The audio and video command and scheduling system comprises: the system comprises a foreground user terminal, a background commanding and dispatching center, a secret communication module and communication networking equipment. The foreground user terminal comprises a handheld terminal, mobile vehicle-mounted equipment and auxiliary monitoring equipment; the background commanding and dispatching center comprises a system server and a commanding and dispatching platform, and the commanding and dispatching platform comprises dispatching equipment, video decoding equipment and monitoring display equipment; the secret communication module comprises an encryption submodule and a decryption submodule; the communication networking equipment is used for establishing communication between the foreground user terminal and the background command and scheduling center based on a communication network of a communication operator to realize the transmission of instructions or data; the system solves the problems of data leakage and data hijack risks existing in the traditional system; and overcomes the defect of single function of the traditional system.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a high-confidentiality audio and video command and scheduling system.
Background
Along with the continuous development of intelligent electronic equipment, the city management process is also gradually intelligent, managers can shoot the situation of the scene through the electronic equipment in the management process, the situation is used as the record of the management process and is simultaneously uploaded to a background commanding and dispatching center, the commanding and dispatching center can conveniently know the situation of the scene, the handling and the processing are carried out at the first time when an emergency happens, and commanding and dispatching instructions are given to the field personnel. In the existing audio and video command and dispatch system, the on-site audio and video information is mainly acquired by a monitoring device and a handheld terminal of a manager, and on-site pictures are displayed on a large screen of a command and dispatch center in a visual mode. When an emergency happens, the system can also carry out cluster calling, video conversation and remote command, and is convenient for a command and dispatch center to carry out centralized management and unified command and dispatch on field personnel at the first time.
However, the existing audio/video command and dispatch system mainly performs signal transmission based on the communication network of an operator; adopting a private network only in the communication between the machine room of the background command dispatching center and other equipment, and establishing a firewall; most other devices still rely on the public network for communication transmission; there is a great safety risk. The audio and video data collected on site are easy to crack in the uploading process, so that related data are leaked, and the command issued by the background commanding and scheduling center is hijacked.
In addition, the traditional audio and video command and dispatch system is still based on the traditional circuit switching technology and the conventional talkback technology, is limited by law enforcement instrument equipment and software functions, can only realize basic functions such as simple dial calling, talkback and the like, and cannot meet new requirements of command and dispatch at the present stage, such as video linkage dispatch, GIS geographic information linkage, visual talkback dispatch and various data information fusion dispatch.
Disclosure of Invention
The invention provides a high-confidentiality audio and video command and scheduling system, which improves the safety of the system through a specially arranged confidential communication module and solves the problems of data leakage and data hijack risk of the traditional system; and overcomes the defect of single function of the traditional system.
In order to overcome the defects of the prior art, the invention adopts the following technical scheme:
a high-security audio and video command and dispatch system, the audio and video command and dispatch system includes: the system comprises a foreground user terminal, a background commanding and dispatching center, a secret communication module and communication networking equipment.
The foreground user terminal comprises a handheld terminal, mobile vehicle-mounted equipment and auxiliary monitoring equipment; the handheld terminal and the mobile vehicle-mounted equipment are used for acquiring audio and video information or receiving commands for commanding and scheduling; the auxiliary monitoring equipment is used for collecting audio and video information.
The background commanding and dispatching center comprises a system server and a commanding and dispatching platform; the command scheduling platform comprises scheduling equipment, video decoding equipment and monitoring display equipment; the dispatching equipment is used for issuing commands and dispatching instructions; the video decoding equipment is used for receiving the audio and video information collected and sent by the foreground user terminal and decoding the received audio and video information; the monitoring display equipment is used for displaying the decoded audio and video information; the system server is used for providing data storage and calculation services for the operation process of the equipment in the command and dispatch platform.
The secret communication module comprises an encryption submodule and a decryption submodule; any one data or instruction sending process in the foreground user terminal and the background commanding and dispatching center is encrypted through an encryption signal generated by the encryption submodule; any one data or instruction receiving process in the foreground user terminal and the background commanding and dispatching center is decrypted through the decryption signal generated by the decryption submodule; any one of the foreground user terminal and the background commanding and dispatching center having data or instruction sending/receiving equipment has a unique exclusive terminal number; the encryption submodule comprises a chaotic signal generating unit which is used for generating encryption signals, and the encryption signals correspond to the exclusive terminal numbers of the equipment provided with the encryption submodule one by one; the decryption submodule comprises a synchronous chaotic signal generating unit which is used for generating corresponding decryption signals according to the exclusive terminal number associated with the encrypted signals, so that the decryption signals and the encrypted signals are in one-to-one correspondence.
The communication networking equipment is used for establishing communication between the foreground user terminal and the background command and scheduling center based on a communication network of a communication operator to realize the transmission of instructions or data; in the transmission process of the instruction or the data, the communication networking equipment encodes the data or the instruction to be sent at a sending end to obtain a plaintext signal; then, acquiring an encrypted signal which corresponds to a terminal currently performing data transmission and is generated by an encryption submodule, and performing encryption operation on the encrypted signal and a plaintext signal to obtain a ciphertext signal; finally, after packaging the exclusive terminal number of the equipment for sending data or instructions and the ciphertext signal, sending the data or instructions through a communication network; the communication networking equipment firstly carries out data unpacking on the received signal at a receiving end to obtain a ciphertext signal and an associated exclusive terminal number, and then a decryption submodule acquires a corresponding decryption signal according to the associated exclusive terminal number; and performing decryption inverse operation on the decrypted signal and the ciphertext signal to obtain a plaintext signal, and finally decoding the plaintext signal to restore the plaintext signal into original data or instructions.
The chaotic signal generating unit takes a driving signal generated by a driving network in a time-varying coupling complex network as an encrypted signal; the synchronous chaotic signal generating unit takes a response signal generated by a response network in a time-varying coupling complex network as a decryption signal; the expression of the time-varying coupled complex network is as follows:
in the above formula, i, j represents a node in the time-varying coupling complex network; x is the number ofiRepresenting state variables of nodes in the time-varying coupling complex network; x is the number ofj(t) represents a state variable function; f (x)i) Representing a vector function; h (t) denotes an in-coupling matrix, H (t) e Rn ×n； aij(t) denotes an element in the outcoupling matrix a (t), a (t) being [ a ]ij(t)]∈Rn×n。
Furthermore, the time-varying coupling complex network realizes the synchronization of the driving network and the response network through the self-adaptive controller; the state equation of the adaptive controller is as follows:
in the above formula, ui(t) an adaptive controller for realizing the synchronization of the driving network and the response network; e.g. of the typei(t) representing state variables of nodes in the error system between the drive network and the response network; k is a radical ofi(t) is an adaptive function in the adaptive controller; alpha is alphaiIs any normal number.
Further, the handheld terminal comprises a handheld individual soldier, an intelligent law enforcement instrument and an intelligent wearing device; the intelligent law enforcement instrument and the intelligent wearable device are mobile communication devices provided with terminal APP; a positioning module is arranged in the handheld terminal; the terminal APP has the functions of integrated data acquisition, equipment positioning, audio and video intercommunication, task scheduling and contact management, and supports customized expansion in the later stage.
Further, the mobile vehicle-mounted equipment comprises a multifunctional command vehicle, a vehicle-mounted holder and a vehicle-mounted monitor; the auxiliary monitoring equipment comprises a gunlock camera, a dome camera and an unmanned aerial vehicle with a camera.
Furthermore, a telephone dispatching system is also integrated in the audio and video commanding and dispatching system, and the telephone dispatching system is used for realizing wireless talkback or satellite telephone butt joint between the foreground user terminal and equipment with a communication function in the background commanding and dispatching center.
Furthermore, the devices of a foreground user terminal and a background commanding and dispatching center in the audio and video commanding and dispatching system support an SIP protocol and wideband and narrowband speech coding; therefore, the voice scheduling information transmission modes of forced insertion, forced removal, alternative connection, monitoring, call prohibition, broadcasting, linkage broadcasting, talkback, multicast and conference are realized.
Furthermore, a touch screen is used in the intelligent law enforcement instrument for man-machine interaction operation; the terminal APP installed in the intelligent law enforcement instrument supports functions of photographing, shooting, recording, video conference, instant messaging, file query and positioning.
Furthermore, the system server realizes the backup, recovery, deletion and editing operations of the video files through video server software, and supports distributed deployment of the video files, thereby realizing dynamic balance of concurrent video loads; and optimizing and storing the high-definition video images and the standard-definition video images in different code streams.
Furthermore, the dispatching equipment in the command dispatching platform switches the auxiliary monitoring equipment by sending different control instructions to carry out centralized video recording, command dispatching video recording, double-stream video recording or professional data image acquisition video recording.
Furthermore, in the monitoring display device, the implementation processes of task scheduling, audio scheduling, video scheduling, map scheduling, attendance management and track query functions during system operation are displayed through a visual screen.
The high-confidentiality audio and video command and scheduling system provided by the invention has the following beneficial effects:
1. in the high-confidentiality audio and video command and scheduling system, a special confidential communication module is designed by utilizing a time-varying coupling complex network, the realization of confidential communication is realized by utilizing chaotic synchronization of the complex network, and the deciphering difficulty of signals transmitted in the audio and video command and scheduling system is greatly improved; and the security of the system is further improved, and the risks of data leakage and data hijacking in the traditional system are overcome.
2. The audio and video command and scheduling system provided by the invention introduces more intelligent devices with rich functions and supports more rich protocols; therefore, more functions can be developed for the system, the data transmission rate in the system is improved, and the fusion transmission and display of the multi-type data are realized; the efficiency and the intelligent degree of city management are improved.
Drawings
Fig. 1 is a schematic block diagram of a high-security audio/video command and scheduling system in this embodiment 1;
fig. 2 is a topology structure diagram of a high-security audio/video command and scheduling system in this embodiment 1;
fig. 3 is a topology structure diagram of the visual intercom system based on the sip gateway in this embodiment 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1 and 2, the present embodiment provides a high-security audio/video command and scheduling system, which is a set of audio/video real-time interactive platform integrating audio, video services, data services, and network communication technologies and integrating visual command and scheduling, video conferencing, and voice talkback. The system adopts an advanced compression decoding technology, a soft switching technology and a distributed system architecture, and ensures that clear and smooth audio and video talkback service is provided under various network environments.
The audio and video command and scheduling system comprises: the system comprises a foreground user terminal, a background commanding and dispatching center, a secret communication module and communication networking equipment.
The foreground user terminal comprises a handheld terminal, mobile vehicle-mounted equipment and auxiliary monitoring equipment; the handheld terminal and the mobile vehicle-mounted equipment are used for acquiring audio and video information or receiving commands for commanding and scheduling; the auxiliary monitoring equipment is used for collecting audio and video information.
The background commanding and dispatching center comprises a system server and a commanding and dispatching platform, and the commanding and dispatching platform comprises dispatching equipment, video decoding equipment and monitoring display equipment; the dispatching equipment is used for issuing commands and dispatching instructions; the video decoding equipment is used for receiving the audio and video information collected and sent by the foreground user terminal and decoding the received audio and video information; in this embodiment, the video decoding device can implement adaptive adjustment of video fluency by adopting layered decoding, transmission control and code rate adaptive techniques, and ensure stable and smooth playing of videos in an environment with a crossed network state. The monitoring display equipment is used for displaying the decoded audio and video information; the system server is used for providing data storage and calculation services for the operation process of the equipment in the command and dispatch platform.
The secret communication module comprises an encryption submodule and a decryption submodule; any one data or instruction sending process in the foreground user terminal and the background commanding and dispatching center is encrypted through an encryption signal generated by the encryption submodule; any one data or instruction receiving process in the foreground user terminal and the background commanding and dispatching center is decrypted through the decryption signal generated by the decryption submodule; any one of the foreground user terminal and the background commanding and dispatching center having data or instruction sending/receiving equipment has a unique exclusive terminal number; the encryption submodule comprises a chaotic signal generating unit which is used for generating encryption signals, and the encryption signals correspond to the exclusive terminal numbers of the equipment provided with the encryption submodule one by one; the decryption submodule comprises a synchronous chaotic signal generating unit which is used for generating corresponding decryption signals according to the exclusive terminal number associated with the encrypted signals, so that the decryption signals and the encrypted signals are in one-to-one correspondence.
The communication networking equipment is used for establishing communication between the foreground user terminal and the background command and scheduling center based on a communication network of a communication operator to realize the transmission of instructions or data; in the transmission process of the instruction or the data, the communication networking equipment encodes the data or the instruction to be sent at a sending end to obtain a plaintext signal; then, acquiring an encrypted signal which corresponds to a terminal currently performing data transmission and is generated by an encryption submodule, and performing encryption operation on the encrypted signal and a plaintext signal to obtain a ciphertext signal; finally, after packaging the exclusive terminal number of the equipment for sending data or instructions and the ciphertext signal, sending the data or instructions through a communication network; the communication networking equipment firstly carries out data unpacking on the received signal at a receiving end to obtain a ciphertext signal and an associated exclusive terminal number, and then a decryption submodule acquires a corresponding decryption signal according to the associated exclusive terminal number; and performing decryption inverse operation on the decrypted signal and the ciphertext signal to obtain a plaintext signal, and finally decoding the plaintext signal to restore the plaintext signal into original data or instructions.
The chaotic signal generating unit takes a driving signal generated by a driving network in a time-varying coupling complex network as an encrypted signal; the synchronous chaotic signal generating unit takes a response signal generated by a response network in a time-varying coupling complex network as a decryption signal; the expression of the time-varying coupled complex network is as follows:
in the above formula, i, j represents a node in the time-varying coupling complex network; x is the number ofiRepresenting state variables of nodes in the time-varying coupling complex network; x is the number ofj(t) represents a state variable function; f (x)i) Representing a vector function; h (t) denotes an in-coupling matrix, H (t) e Rn ×n； aij(t) denotes an element in the outcoupling matrix a (t), a (t) being [ a ]ij(t)]∈Rn×n。
Furthermore, the time-varying coupling complex network realizes the synchronization of the driving network and the response network through the self-adaptive controller; the state equation of the adaptive controller is as follows:
in the above formula, ui(t) an adaptive controller for realizing the synchronization of the driving network and the response network; e.g. of the typei(t) representing state variables of nodes in the error system between the drive network and the response network; k is a radical ofi(t) is an adaptive function in the adaptive controller; alpha is alphaiIs any normal number.
In the embodiment, the handheld terminal comprises a handheld individual soldier, an intelligent law enforcement instrument and an intelligent wearing device; the intelligent law enforcement instrument and the intelligent wearable device are mobile communication devices provided with terminal APP; a positioning module is arranged in the handheld terminal; the terminal APP has the functions of integrated data acquisition, equipment positioning, audio and video intercommunication, task scheduling and contact management, and supports customized expansion in the later stage.
In the embodiment, the handheld terminal comprises a mobile phone provided with a terminal APP, the mobile phone of the type can be used as the handheld terminal to effectively utilize the equipment to support photographing, recording, GPS/Beidou positioning, touch screen operation, network standards support full network communication, and mobile, telecommunication and Unicom are supported, so that the handheld terminal has the characteristics of portability, usability and expandable development, and meanwhile, due to the adoption of the confidential communication module provided by the embodiment, data leakage is not needed to worry.
A touch screen is used in the intelligent law enforcement instrument for man-machine interaction operation; the terminal APP installed in the intelligent law enforcement instrument supports functions of photographing, shooting, recording, video conference, instant messaging, file query and positioning.
The mobile vehicle-mounted equipment comprises a multifunctional command vehicle, a vehicle-mounted holder and a vehicle-mounted monitor; the auxiliary monitoring equipment comprises a gunlock camera, a dome camera and an unmanned aerial vehicle with a camera.
These cameras are mainly installed in the hot spot place that needs to carry out the management and supervision, realize the more extensive cover of monitoring range through mobile unmanned aerial vehicle simultaneously.
In the system of the embodiment, a telephone dispatching system is further integrated in the audio and video commanding and dispatching system, and the telephone dispatching system is used for realizing wireless talkback or satellite telephone butt joint between the foreground user terminal and the equipment with the communication function of the background commanding and dispatching center and supporting video intelligent analysis, monitoring alarm and data linkage.
As shown in fig. 3, the devices of the foreground user terminal and the background commanding and dispatching center in the audio and video commanding and dispatching system support the SIP protocol and the wideband and narrowband speech coding; therefore, the voice scheduling information transmission modes of forced insertion, forced removal, alternative connection, monitoring, call prohibition, broadcasting, linkage broadcasting, talkback, multicast and conference are realized.
The communication networking equipment in the embodiment comprises an SIP video gateway and a voice telephone gateway; the call of the IP voice telephone and the IP video telephone internet communication service can be accessed to the background commanding and dispatching center through the SIP video gateway, thereby realizing the bidirectional interaction of voice and video. The video telephone can also browse the video image in the system server in the background commanding and dispatching center through the gateway. The system can be connected with PSTN network through voice telephone gateway, so that the system can be connected with general communication equipment such as analog telephone, mobile phone, etc., and the general communication equipment is effectively combined with audio and video commanding and dispatching system.
And the dispatching equipment in the background commanding and dispatching platform switches the auxiliary monitoring equipment by sending different control instructions to carry out centralized video recording, commanding and dispatching video recording, double-flow video recording or professional data image acquisition video recording.
A command and dispatch platform in the background command and dispatch center adopts a PC (personal computer) end web interface and supports mainstream browsers such as Firefox, Chrome, Safari, IE and the like. And in the monitoring display equipment, the task scheduling, the audio scheduling, the video scheduling, the map scheduling, the attendance management and the track query function during the operation of the system are displayed through a visual screen.
In the audio and video commanding and dispatching system, service access of a video conference system, a VOIP voice telephone, a video telephone, a professional data image, a wireless cluster and the like can be realized through expanding and upgrading software and hardware of the system.
The audio and video command and scheduling system can realize comprehensive video management, streaming media service, equipment agent access service and storage service. The integrated video management service realizes the functions of user identity authentication, authority and level management of users and equipment, terminal address resolution, service function control, equipment management, hierarchical management, unicast and multicast switching support and the like through the integrated video management server. The system can support upgrading configuration of a cascade module, a double-flow conference module, a data conference module, an electronic map module and the like. The multiplexing forwarding of video streams, audio streams and data streams is realized through the streaming media server, a high-definition video stream forwarding mechanism is provided, the bandwidth utilization rate is improved, a TCP/UDP (transmission control protocol/user datagram protocol) mutual-conversion transmission mode is supported, and the distribution deployment is supported. The agent access of the multi-brand monitoring equipment is realized through the equipment agent access server, and the states of various terminal equipment are displayed. And distributed deployment is supported, and high/standard definition video access is provided.
Meanwhile, the system of the embodiment can also utilize video server software to realize backup, recovery, deletion and editing operations of the video files, and the system server supports distributed deployment of the video files, so that dynamic balance of concurrent video loads is realized; and optimizing and storing the high-definition video images and the standard-definition video images in different code streams.
In the system provided by this embodiment, the output module of the video decoding device in the background commanding and scheduling center also supports various interfaces such as VGA, HDMI, SDI, etc., so as to implement connection with various devices, and facilitate completion of different management operations such as broadcast display, multi-party discussion, remote control, etc. in the background commanding and scheduling center.
In the audio and video command and scheduling system of this embodiment, a unified access management to front-end encoders of different manufacturers is completed by means of accessing the device agent to the server. And the adaptive interface module is realized on the equipment proxy server aiming at the front-end encoders with different models, and the conversion from the special audio and video coding formats and the control signaling protocols of the front-end encoders with different models to the system standard audio and video coding formats and the control signaling protocols is completed. The system also supports video intelligent analysis, monitoring alarm and data linkage, and supports a comprehensive access function of docking with the established image system and the application information system.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A high-security audio and video command and dispatch system is characterized in that the audio and video command and dispatch system comprises:
the foreground user terminal comprises a handheld terminal, mobile vehicle-mounted equipment and auxiliary monitoring equipment; the handheld terminal and the mobile vehicle-mounted equipment are used for acquiring audio and video information or receiving commands for commanding and scheduling; the auxiliary monitoring equipment is used for acquiring audio and video information;
the background commanding and dispatching center comprises a system server and a commanding and dispatching platform; the command scheduling platform comprises scheduling equipment, video decoding equipment and monitoring display equipment; the dispatching equipment is used for issuing commands and dispatching instructions; the video decoding equipment is used for receiving the audio and video information collected and sent by the foreground user terminal and decoding the received audio and video information; the monitoring display equipment is used for displaying the decoded audio and video information; the system server is used for providing data storage and calculation service for the operation process of the equipment in the command and dispatch platform;
the secret communication module comprises an encryption sub-module and a decryption sub-module; any one of the data or instruction sending processes in the foreground user terminal and the background commanding and dispatching center is encrypted through an encryption signal generated by the encryption submodule; any one data or instruction receiving process in the foreground user terminal and the background commanding and dispatching center is decrypted through a decryption signal generated by the decryption submodule; any one of the foreground user terminal and the background commanding and dispatching center having data or instruction sending/receiving equipment has a unique exclusive terminal number; the encryption submodule comprises a chaotic signal generating unit which is used for generating encryption signals, and the encryption signals correspond to the exclusive terminal numbers of the equipment provided with the encryption submodule one by one; the decryption submodule comprises a synchronous chaotic signal generating unit which is used for generating corresponding decryption signals according to the exclusive terminal number associated with the encrypted signals, so that the decryption signals and the encrypted signals are in one-to-one correspondence; and
the communication networking equipment is used for establishing communication between the foreground user terminal and the background command and scheduling center based on a communication network of a communication operator to realize the transmission of instructions or data; in the transmission process of the instruction or the data, the communication networking equipment encodes the data or the instruction to be sent at a sending end to obtain a plaintext signal; then, acquiring an encrypted signal which corresponds to a terminal currently performing data transmission and is generated by an encryption submodule, and performing encryption operation on the encrypted signal and a plaintext signal to obtain a ciphertext signal; finally, after packaging the exclusive terminal number of the equipment for sending data or instructions and the ciphertext signal, sending the data or instructions through a communication network; the communication networking equipment firstly carries out data unpacking on the received signal at a receiving end to obtain a ciphertext signal and an associated exclusive terminal number, and then a decryption submodule acquires a corresponding decryption signal according to the associated exclusive terminal number; carrying out decryption inverse operation on the decrypted signal and the ciphertext signal to obtain a plaintext signal, and finally decoding the plaintext signal to restore the plaintext signal into original data or instructions;
the chaotic signal generating unit takes a driving signal generated by a driving network in a time-varying coupling complex network as an encrypted signal; the synchronous chaotic signal generating unit takes a response signal generated by a response network in a time-varying coupling complex network as a decryption signal; the expression of the time-varying coupled complex network is as follows:
in the above formula, i, j represents a node in the time-varying coupling complex network; x is the number ofiRepresenting state variables of nodes in the time-varying coupling complex network; x is the number ofj(t) represents a state variable function; f (x)i) Representing a vector function; h (t) denotes an in-coupling matrix, H (t) e Rn×n；aij(t) denotes an element in the outcoupling matrix a (t), a (t) being [ a ]ij(t)]∈Rn×n。
2. The high-security audio-video command and scheduling system of claim 1, wherein: the time-varying coupling complex network realizes the synchronization of a driving network and a response network through a self-adaptive controller; the state equation of the adaptive controller is as follows:
in the above formula, ui(t) an adaptive controller for realizing the synchronization of the driving network and the response network; e.g. of the typei(t) representing state variables of nodes in the error system between the drive network and the response network; k is a radical ofi(t) is an adaptive function in the adaptive controller; alpha is alphaiIs any normal number.
3. The high-security audio-video command and scheduling system of claim 1, wherein: the handheld terminal comprises a handheld individual soldier, an intelligent law enforcement instrument and intelligent wearing equipment; the intelligent law enforcement instrument and the intelligent wearable equipment are mobile communication equipment provided with a terminal APP; a positioning module is arranged in the handheld terminal; the terminal APP integrates functions including data acquisition, equipment positioning, audio and video intercommunication, task scheduling and contact management, and supports customized expansion in the later stage.
4. The high-security audio-video command and scheduling system of claim 1, wherein: the mobile vehicle-mounted equipment comprises a multifunctional command vehicle, a vehicle-mounted holder and a vehicle-mounted monitor; the auxiliary monitoring equipment comprises a gunlock camera, a dome camera and an unmanned aerial vehicle with a camera.
5. A high-security audio-video command and scheduling system according to claim 3 or 4, characterized in that: the audio and video commanding and dispatching system is also integrated with a telephone dispatching system, and the telephone dispatching system is used for realizing wireless talkback or satellite telephone butt joint between equipment with a communication function in the foreground user terminal and the background commanding and dispatching center.
6. The high-security audio-video command and scheduling system of claim 5, wherein: the devices of a foreground user terminal and a background commanding and dispatching center in the audio and video commanding and dispatching system support an SIP protocol and wideband and narrowband speech coding; therefore, the voice scheduling information transmission modes of forced insertion, forced removal, alternative connection, monitoring, call prohibition, broadcasting, linkage broadcasting, talkback, multicast and conference are realized.
7. A high-security audio-video command and scheduling system according to claim 3, further comprising: the intelligent law enforcement instrument uses a touch screen to perform man-machine interaction operation; the terminal APP installed in the intelligent law enforcement instrument supports functions of photographing, shooting, recording, video conference, instant messaging, file query and positioning.
8. The high-security audio-video command and scheduling system of claim 5, wherein: the system server realizes the operations of backup, recovery, deletion and editing of the video files through video server software, and supports distributed deployment of the video files, thereby realizing dynamic balance of concurrent video loads; and optimizing and storing the high-definition video images and the standard-definition video images in different code streams.
9. The high-security audio-video command and scheduling system of claim 5, wherein: and the dispatching equipment in the command dispatching platform switches the auxiliary monitoring equipment by sending different control instructions to carry out centralized video recording, command dispatching video recording, double-flow video recording or professional data image acquisition video recording.
10. The high-security audio-video command and scheduling system of claim 5, wherein: and in the monitoring display equipment, the implementation processes of task scheduling, audio scheduling, video scheduling, map scheduling, attendance management and track query functions during system operation are displayed through a visual screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110447748.6A CN113179426B (en) | 2021-04-25 | 2021-04-25 | High-security audio and video command and scheduling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110447748.6A CN113179426B (en) | 2021-04-25 | 2021-04-25 | High-security audio and video command and scheduling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113179426A true CN113179426A (en) | 2021-07-27 |
| CN113179426B CN113179426B (en) | 2022-03-18 |
Family
ID=76925519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110447748.6A Active CN113179426B (en) | 2021-04-25 | 2021-04-25 | High-security audio and video command and scheduling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113179426B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080263048A1 (en) * | 2007-04-16 | 2008-10-23 | Kelley Wise | File Access Management System |
| CN101442657A (en) * | 2008-12-23 | 2009-05-27 | 西安交通大学 | Design method for stream medium distributed digital watermarking architecture |
| CN202268046U (en) * | 2011-07-29 | 2012-06-06 | 毛振刚 | Ground force modernized management, monitoring, alarm and command system |
| CN106778562A (en) * | 2016-12-02 | 2017-05-31 | 深圳凯达通光电科技有限公司 | Video structural Vehicle License Plate Recognition System based on big data |
| CN108769240A (en) * | 2018-06-12 | 2018-11-06 | 北京酷米科技有限公司 | A kind of intelligent Dispatching System and method |
| CN109348293A (en) * | 2018-12-03 | 2019-02-15 | 南京森林警察学院 | The end APP key based on HLS technology obscures incorrect order video encryption method |
-
2021
- 2021-04-25 CN CN202110447748.6A patent/CN113179426B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080263048A1 (en) * | 2007-04-16 | 2008-10-23 | Kelley Wise | File Access Management System |
| CN101442657A (en) * | 2008-12-23 | 2009-05-27 | 西安交通大学 | Design method for stream medium distributed digital watermarking architecture |
| CN202268046U (en) * | 2011-07-29 | 2012-06-06 | 毛振刚 | Ground force modernized management, monitoring, alarm and command system |
| CN106778562A (en) * | 2016-12-02 | 2017-05-31 | 深圳凯达通光电科技有限公司 | Video structural Vehicle License Plate Recognition System based on big data |
| CN108769240A (en) * | 2018-06-12 | 2018-11-06 | 北京酷米科技有限公司 | A kind of intelligent Dispatching System and method |
| CN109348293A (en) * | 2018-12-03 | 2019-02-15 | 南京森林警察学院 | The end APP key based on HLS technology obscures incorrect order video encryption method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113179426B (en) | 2022-03-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106331581B (en) | Method and device for communication between mobile terminal and video network terminal | |
| JP2005192227A (en) | Multimedia enabled network | |
| CN107809609B (en) | Video monitoring conference system based on touch equipment | |
| CN203445963U (en) | 3G wireless transmission individual soldier system | |
| CN105898620A (en) | Multimedia real-time live broadcast method and device | |
| US7277115B2 (en) | Communication terminal device capable of transmitting visage information | |
| CN111147789B (en) | Method, device and equipment for recording audio and video stream and storage medium | |
| CN109547735A (en) | A kind of meeting integrated system | |
| CN102333237A (en) | Television-set-top-box-based information management system | |
| CN109544879B (en) | Alarm data processing method and system | |
| CN104270617A (en) | Third-generation individual centralized management and monitoring system | |
| CN106603537A (en) | System and method for marking video signal source of mobile intelligent terminal | |
| CN110557391B (en) | Multi-scene integration-oriented emergency mobile video interaction system | |
| CN113179426B (en) | High-security audio and video command and scheduling system | |
| CN204652551U (en) | Cloud video signal all-in-one | |
| CN103414867A (en) | Method, terminal and system for controlling multimedia communication | |
| CN108989737B (en) | Data playing method and device and electronic equipment | |
| CN110730324B (en) | Video picture display control method and device | |
| CN115022573A (en) | Desktop video conference system | |
| US20080261517A1 (en) | Communication Framework and Method and System for Providing a Real-Time Audio and/or Video Signal | |
| CN114125164A (en) | Converged office communication terminal, method and device | |
| CN112104649A (en) | Multimedia interaction method and device, electronic equipment, server and storage medium | |
| KR100729628B1 (en) | Unification home gateway apparatus | |
| CN110855929A (en) | Tax coordination command system | |
| JP2010109654A (en) | Framework, method and system of communication for providing audio and/or video signal on remotely-controlled real time basis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |