CN115550601A - Multifunctional commanding and scheduling system adopting audio and video - Google Patents
Multifunctional commanding and scheduling system adopting audio and video Download PDFInfo
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- CN115550601A CN115550601A CN202211495601.5A CN202211495601A CN115550601A CN 115550601 A CN115550601 A CN 115550601A CN 202211495601 A CN202211495601 A CN 202211495601A CN 115550601 A CN115550601 A CN 115550601A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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- 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
Abstract
The invention discloses a multifunctional commanding and dispatching system adopting audio and video, in particular to the technical field of image communication, which comprises a commanding and dispatching machine, a switch, an IPC (Internet protocol Camera) and a client; the command dispatcher is a communication machine used as safe dispatching in a remote command dispatching system, is connected with a switch through a Local Area Network (LAN), receives audio and video signals through inter-process communication IPC (inter process communication) to perform coding and decoding processing of data information and is used for controlling and commanding in real time; the exchanger is a network device for transmitting photoelectric signals, and receives IPC transmitted information; the invention specifically adopts the infrared control board card to carry out the infrared control technology and the coding and decoding board card to carry out the dispatching coding and decoding regulation and control technology, and achieves the effects of satisfying free zooming, dragging and overlapping display of any signal, having no delay phenomenon and improving efficiency and reliability by adopting a full digital system and the random switching of the input and output board cards.
Description
Technical Field
The invention relates to the technical field of image communication, in particular to a multifunctional commanding and scheduling system adopting audio and video.
Background
With the continuous improvement of scientific and technological technology, national information construction also faces a rapid development, information infrastructure construction is an integral part of enterprise units, and information conference system construction is also no exception, so that the future intelligent information digital conference system is going to replace the traditional analog system to enter digitalization, networking and intellectualization; therefore, the communication utilization rate of audio and video information data is more and more frequent, the communication of the audio and video data is continuously increased along with the development of the society, the construction of a command and dispatch system is a necessary development trend of search and rescue dispatching command, the audio technology, the video technology and the information technology are rapidly grown along with the continuous maturity of the computer and the network technology, and the command and dispatch system presents a trend of mutual fusion and common development in a video conference system.
The existing multifunctional commanding and dispatching system adopting audio and video is suitable for emergency commanding of emergencies of public safety, weather, traffic, medical treatment and natural disasters, but has the problems that a command control platform cannot be freely zoomed, dragged and displayed in a superposition mode when being connected with any signal, and a delay phenomenon occurs, and the problems that the operation is complex due to the fact that the video signal is not directly integrated in the data processing of a visual multimedia management technology, and the operation is informationized, information automation, management and control computerization and decision intelligence.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide a multifunctional commanding and scheduling system using audio and video, which solves the problems in the background art mentioned above by using a full digital system, switching an input/output board card arbitrarily, controlling an infrared device, modifying an audio signal using a digital processing device, and supporting 4K signal input.
In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional commanding and dispatching system adopting audio and video comprises a commanding and dispatching machine, a switch, an IPC (Internet protocol Camera) and a client; the command dispatching machine is a communication machine used for safe dispatching in a remote command dispatching system, is connected with a switch through a Local Area Network (LAN), receives audio and video signals through inter-process communication IPC (inter process communication) to perform coding and decoding processing on data information and is used for controlling and dispatching in real time; the switch is a network device for transmitting photoelectric signals, provides a connection port for a sub-network by receiving IPC transmitted information, and transmits signals to the command dispatcher for information processing; the IPC is used for carrying out mutual interaction on two process data between communication, receiving audio and video data signals collected by an external camera through a Local Area Network (LAN), and interactively transmitting the audio and video data signals to a switch for data exchange; the client is a program corresponding to the server and providing service for the client, the computer of the client is firstly connected with the coding and decoding board card, and then the Local Area Network (LAN) is used for connecting the commanding and dispatching machine to carry out bidirectional communication transmission of audio and video data signals and digital signals, so that the audio and video data collected by the client is displayed on an LED display screen of the commanding and dispatching center for data processing and dispatching command.
In a preferred embodiment, the command dispatcher comprises an X86 motherboard, an HDMI codec board, an SDI codec board, an AV codec board, an infrared control board, an audio codec board, a server, and an external front-end back-end device, where the X86 motherboard is a CPU embedded in a computer, specifically, an X86 instruction set in a processor, and is used to run a server, control a chip running program, and serve as a service client; the HDMI coding and decoding board card is used for coding and forwarding an externally input HDMI signal for scheduling; the SDI coding and decoding board card is used for coding and forwarding an externally input SDI signal for scheduling; the AV coding and decoding board card codes and forwards an AV signal input from the outside for scheduling; the infrared control board card is used for infrared control; the audio coding and decoding board card is used for multi-channel audio coding and decoding scheduling, can decode network streams and self-decode and is used for LED display screen display; the server responds to the service request of the terminal and performs processing, including the functions of video recording, playback, searching, timed screenshot and remote checking; the external front-end and back-end equipment is used for video scheduling, equipment management and video playback.
In a preferred embodiment, the command and dispatch center host computer is connected with a server through a wire at a bottom interface of the command and dispatch center host computer, the command and dispatch center host computer is connected with a command center LED display screen through a wireless network, a distributed codec box group is connected with a lower surface interface of the command center LED display screen through a wire, the distributed codec box group is connected with a network audio and video camera set through a wireless network, the network audio and video camera set is connected with n computer matching codec box dispatch clients through a wireless network, and the command and dispatch center host computer, the server, the command center LED display screen, the distributed codec box group, the network audio and video camera set and the n computer matching codec box dispatch clients are connected through a local area network LAN for network connection and communication information transmission.
In a preferred embodiment, the host of the command and dispatch center comprises a command and dispatch center computer, the bottom of the command and dispatch center computer is movably connected with a control keyboard, the LED display screen of the command center comprises a liquid crystal display screen, the front surface of the right lower part of the liquid crystal display screen close to the bottom is movably connected with a switch button, the right side of the lower surface of the liquid crystal display screen is fixedly connected with a power plug wire, the distributed codec box group comprises a first codec box, a second codec box and a codec box N, the network audio and video camera group comprises a first audio and video camera, a second audio and video camera and an audio and video camera N, and the N computer matched codec box dispatch clients comprise a first computer matched codec box, a second computer matched codec box and a computer matched codec box N, wherein the distributed codec box, the network audio and video camera group and the N computer matched codec box dispatch clients are respectively in one-to-one correspondence, and are connected with each other through a local area LAN to transmit data information.
In a preferred embodiment, according to the working principle of the multifunctional command and dispatch system adopting audio and video, firstly, a signal source and a network IPC camera are connected into the command and dispatch system through a coding and decoding board card and a network switch, all the board cards can be freely connected, the number of the coding and decoding board cards is automatically connected in combination with actual conditions, external audio and video signals are sent to a client through a network for display, a dispatch room can display N signal sources through screen splitting and drag and drop through the client, any one current call channel can be monitored in real time through an active sound box or an earphone, call personnel cannot be influenced during monitoring, the recording quality cannot be influenced, an LED display screen can monitor all the connected signals according to the content of the decoding card, and the video monitoring system can call regional related images in real time in emergency.
In a preferred embodiment, in the process of commanding and scheduling the system, the external audio/video signals are fully digitized, and any continuously-changing information acquired is converted into a digital format and transmitted to a computer for read-write processing, and then a digital audio processor device is added during signal acquisition to convert analog signals input by a plurality of channels into digital signals and perform tunable algorithm processing on the digital signals, so that the functions of improving the application requirements of tone quality, matrix sound mixing, noise elimination, echo elimination and feedback elimination are realized, wherein the digital audio processor is composed of an input part and an output part, and the input part comprises input gain control, input equalization adjustment, input end delay adjustment and input polarity conversion; the output part comprises signal input distribution route selection, a high-pass filter, a low-pass filter, an equalizer, polarity, gain, time delay and amplitude limiter starting level, and the input gain control is the input level of the control processor; the input equalization adjustment is to perform equalization adjustment on frequency, bandwidth, Q value and gain by a digital processor; the input end delay adjustment is that the input signal of the processor is subjected to delay processing; the input polarity conversion is that the polarity phase of the processor is converted between positive and negative; the signal input distribution routing is that an output channel selects to accept a signal transmitted by which input channel; the high-pass filter is used for adjusting the lower frequency limit of the output signal; the low pass filter is used to adjust the upper frequency limit of the output signal.
In a preferred embodiment, the codec board includes a power supply circuit, a wired network port, an HI35XX chip, a 1G DDR, an STM32, an EMMC high-speed memory chip, and a flash module, where the power supply circuit is an electronic circuit that supplies power to the power-using codec board, and is connected in a certain manner to provide a total of paths for charge circulation, where the power supply is divided into an ac power supply and a dc power supply; the wired network port is an interface between the network card and a network; the HI35XX chip is a computer processor, is a high-performance high-integration communication media SOC processor based on an ARM9 processor core and a video hardware acceleration engine, has the processing frequency of 400MHz, provides multi-protocol coding and decoding and double-code-stream coding capacity, has the performances of video coding and decoding, graphic processing, audio coding and decoding, multiple algorithms of a security engine, a video interface, an audio interface, a peripheral interface, an SATA interface, an external storage interface and SDK, is a memory produced by adopting DDR technical standards, has the size of 1GB, is an algebra of the memory, comprises DDR1, DDR2 and DDR3, can improve the number of data packets and improve the bandwidth of the memory.
In a preferred embodiment, the STM32 is an ARM core designed for high-performance, low-cost, low-power consumption embedded applications, and has single-cycle multiplication and hardware division, clock, reset, and power management performances, the STM32 enhances audio performance, and by adopting a phase-locked loop mechanism, for audio-level I2S communication, supports a host and slave input/output mode, and can read, decode, and output audio signals from an external memory; the EMMC high-speed memory chip is a standard specification of an embedded memory of a computer, integrates a controller in packaging, provides a standard interface and manages a flash memory process, and the interface speed reaches 400 MBytes; the flash module is a flash file capable of being automatically played and used as a storage code and storage system parameter data of the SRAM and the EMMC, and flash programming is accelerated.
The invention has the technical effects and advantages that:
the invention specifically adopts the infrared control board card to carry out the infrared control technology and the coding and decoding board card to carry out the scheduling coding and decoding regulation and control technology, and achieves the effects of satisfying free scaling, dragging and overlapping display of any signal, having no delay phenomenon and improving efficiency and reliability by adopting the full digital system and the random switching of the input and output board cards.
Drawings
Fig. 1 is a structural block diagram of a multifunctional commanding and scheduling system adopting audio and video.
Fig. 2 is an architecture diagram of a multifunctional commanding and dispatching system adopting audio and video.
Fig. 3 is a hardware structure diagram of a multifunctional commanding and dispatching system adopting audio and video.
Fig. 4 is a connection diagram of a multifunctional commanding and dispatching system adopting audio and video.
Fig. 5 is a card diagram of a codec board of a multifunctional command and dispatch system using audio and video.
1. A command and dispatching center host; 101. a command and dispatch center computer; 102. a control keyboard; 2. a server; 3. a command center LED display screen; 301. a liquid crystal display screen; 302. a switch button; 303. a power plug wire; 4. a distributed encoding and decoding box group; 401. a first encoding and decoding box; 402. a second encoding and decoding box; 40N, a coding and decoding box N; 5. a network audio and video camera set; 501. an audio and video camera I; 502. an audio and video camera II; 50N, an audio video camera N; 6. the n computers are matched with the coding and decoding boxes to schedule clients; 601. a first encoding and decoding box matched with the computer; 602. a second encoding and decoding box matched with the computer; 60N, a computer matched coding and decoding box N; 7. a local area network LAN.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment provides a multifunctional commanding and dispatching system adopting audio and video as shown in fig. 1, which comprises a commanding and dispatching machine, a switch, an IPC and a client; the command dispatching machine is a communication machine used for safe dispatching in a remote command dispatching system, is connected with a switch through a Local Area Network (LAN), receives audio and video signals through inter-process communication IPC (inter process communication) to perform coding and decoding processing on data information and is used for controlling and dispatching in real time; the switch is a network device for transmitting photoelectric signals, provides a connection port for a sub-network by receiving information transmitted by IPC, and transmits signals to the command dispatcher for information processing; the IPC is used for carrying out mutual interaction on two process data between communications, receiving audio and video data signals collected by an external camera through a Local Area Network (LAN), and interactively transmitting the audio and video data signals to a switch for data exchange; the client is a program corresponding to the server and providing service for the client, the computer of the client is firstly connected with the coding and decoding board card, and then the Local Area Network (LAN) is used for connecting the commanding and dispatching machine to carry out bidirectional communication transmission of audio and video data signals and digital signals, so that the audio and video data collected by the client is displayed on an LED display screen of the commanding and dispatching center for data processing and dispatching command.
As shown in fig. 2, in this embodiment, it is specifically described that the command dispatcher is composed of an X86 motherboard, an HDMI codec board, an SDI codec board, an AV codec board, an infrared control board, an audio codec board, a server, and an external front-end back-end device, where the X86 motherboard is a CPU embedded in a computer, specifically an X86 instruction set in a processor, and is used as an operating server, a control chip operating program, and a service client; the HDMI coding and decoding board card is used for coding and forwarding an externally input HDMI signal for scheduling; the SDI coding and decoding board card is used for coding and forwarding an externally input SDI signal for scheduling; the AV coding and decoding board card codes and forwards an AV signal input from the outside for scheduling; the infrared control board card is used for infrared control; the audio coding and decoding board card is used for multi-channel audio coding and decoding scheduling, and can decode network streams and self-decode for LED display screen display; the server responds to the service request of the terminal and performs processing, including the functions of video recording, playback, searching, timed screenshot and remote checking; the external front-end and back-end equipment is used for video scheduling, equipment management and video playback.
As shown in fig. 3 and 4 in this embodiment, specifically described is the command and dispatch center host 1, a server 2 is connected to a bottom interface of the command and dispatch center host 1 through a wired connection, the command and dispatch center host 1 is connected to a command center LED display screen 3 through a wireless network, a distributed codec box group 4 is connected to a lower surface interface of the command center LED display screen 3 through a wired connection, the distributed codec box group 4 is connected to a network audio/video camera group 5 through a wireless network, the network audio/video camera group 5 is connected to n codec box dispatch clients 6 supporting a computer through a wireless network, and the command and dispatch center host 1, the server 2, the command center LED display screen 3, the distributed codec box group 4, the network audio/video camera group 5, and the n codec box dispatch clients 6 supporting a computer are connected to each other through a LAN line network, so as to transmit communication information.
As shown in fig. 4 in this embodiment, it is specifically illustrated that the command and dispatch center host 1 includes a command and dispatch center computer 101, the bottom of the command and dispatch center computer 101 is movably connected with a control keyboard 102, the command center LED display screen 3 includes a liquid crystal display screen 301, a switch button 302 is movably connected to a front surface of a lower right portion of the liquid crystal display screen 301 close to the bottom, a power plug 303 is fixedly connected to a right side of a lower surface of the liquid crystal display screen 301, the distributed codec box group 4 includes a first codec box 401, a second codec box 402 and a codec box N, the network audio/video camera group 5 includes a first audio/video camera 501, a second audio/video camera 502 and an audio/video camera N, the N computer-associated codec box dispatch clients 6 are composed of a first computer-associated codec box 601, a second computer-associated codec box 602 and a computer-associated codec box N, wherein the distributed codec box 4, the network camera group 5 and the N computer-associated codec box dispatch clients 6 are respectively in a one-to-one correspondence, and are connected with one by a local area network to transmit data information.
As shown in fig. 2, this embodiment specifically illustrates that according to the working principle of the multifunctional command and dispatch system using audio and video, a signal source and a network IPC camera are first connected to the command and dispatch system through a codec board and a network switch, all the boards can be freely connected, the number of the codec boards is automatically connected in combination with actual situations, external audio and video signals are sent to a client through a network for display, a dispatch room can display N signal sources through a client by splitting screens and dragging, any one channel of a current call channel can be monitored in real time through an active speaker or an earphone, call personnel cannot be influenced during monitoring, recording quality cannot be influenced, an LED display screen can monitor all the connected signals by decoding the content of the card, and a video monitoring system can call regional related images in real time in an emergency situation.
As shown in fig. 2, in this embodiment, it is specifically described that in the process of commanding and scheduling the external audio/video signal in the multifunctional command scheduling system, the input and output of the audio/video acquisition, the audio/video transmission, the audio/video processing, and the audio/video display information are fully digitized, and any continuously changing information acquired is converted into a digital format and transmitted to the computer for read/write processing, and then a digital audio processor device is added during the signal acquisition, so as to convert analog signals received from a plurality of channels into digital signals, and perform tunable algorithm processing on the digital signals, thereby achieving the functions of improving the application requirements of audio quality, matrix audio mixing, noise cancellation, echo cancellation, and feedback cancellation, where the digital audio processor is composed of an input part and an output part, where the input part includes input gain control, input equalization adjustment, input delay adjustment, and input polarity conversion; the output part comprises signal input distribution route selection, a high-pass filter, a low-pass filter, an equalizer, polarity, gain, time delay and amplitude limiter starting level, and the input gain control is the input level of the control processor; the input equalization adjustment is to perform equalization adjustment on frequency, bandwidth, Q value and gain by a digital processor; the input end delay adjustment is that the input signal of the processor is subjected to delay processing; the input polarity conversion is that the polarity phase of the processor is converted between positive and negative; the signal input distribution routing is that an output channel selects to accept a signal transmitted by which input channel; the high-pass filter is used for adjusting the lower frequency limit of the output signal; the low pass filter is used to adjust the upper frequency limit of the output signal.
As shown in fig. 5, in this embodiment, it is specifically described that the codec board includes a power supply circuit, a wired network port, an HI35XX chip, a 1G DDR, an STM32, an EMMC high-speed memory chip, and a flash module, where the power supply circuit is an electronic circuit that supplies power to the power-using codec board, and is connected in a certain manner to provide a total of paths for charge circulation, where the power supply is divided into an ac power supply and a dc power supply; the wired network port is an interface between the network card and the network; the HI35XX chip is a computer processor, is a high-performance and high-integration communication media SOC processor based on an ARM9 processor core and a video hardware acceleration engine, has the processing frequency of 400MHz, provides multi-protocol coding and decoding and dual-stream coding capability, has the performances of video coding and decoding, graphic processing, audio coding and decoding, multiple algorithms of a security engine, a video interface, an audio interface, a peripheral interface, an SATA interface, an external storage interface and SDK, is a memory produced by adopting DDR technical standards, has the memory size of 1GB, is an algebra of the memory, comprises DDR1, DDR2 and DDR3, can improve the number of data packets and the memory bandwidth.
As shown in fig. 5, in this embodiment, it is specifically described that the STM32 is an ARM core designed for embedded application with high performance, low cost and low power consumption, and has single-cycle multiplication and hardware division, clock, reset and power management performance, the STM32 enhances audio performance, and by using a phase-locked loop mechanism, supports the input and output modes of a host and a slave for audio-level I2S communication, and can read, decode and output audio signals from an external memory; the EMMC high-speed memory chip is a standard specification of an embedded memory of a computer, integrates a controller in packaging, provides a standard interface and manages the process of a flash memory, and the interface speed reaches 400 MBytes; the flash module is a flash file capable of automatically playing and used as a storage code and storage system parameter data of the SRAM and the EMMC, and flash programming is accelerated.
In addition, it needs to be supplemented that, in this embodiment, an audio/video multifunctional command and scheduling system is adopted, which can access a workstation, a video signal, a PC signal, a video conference terminal, and a high definition camera signal, output the signals to an image controller, and output the signals to an LED display screen for display after being processed by the image controller; the reserved video signal input and output interfaces are managed through software, routing connection is carried out on the LED display screen, any signal can be freely zoomed, dragged and displayed in a superposition mode, and the delay phenomenon is avoided; the visual multimedia management platform adopts a TCP-IP network architecture, is beneficial to system expansion and extension, realizes remote management, and uniformly manages video sources and video output through the visual multimedia management platform, thereby simplifying the original complex operation process, improving the efficiency and reliability, and realizing real data informatization, information automation, control computerization and decision intellectualization; the accessed video source can be monitored in real time on a control software interface; the system background has powerful database management and can complete all information processing, log management and user data recording; the management and user interface which is clear, concise, simple and convenient to operate, flexible, easy to learn and use and convenient to manage and maintain is provided for the user; the system integrates the computer network integration function of the switch by utilizing rich interfaces of the dispatching equipment; the functions of accessing, queuing and scheduling incoming and outgoing calls of other switches, public networks, private networks, wireless clusters and other devices are completed; and thus, the integration of wired communication, wireless communication and network communication is realized.
And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A multifunctional commanding and dispatching system adopting audio and video is characterized in that: the system comprises a command dispatcher, a switch, an IPC and a client; the command dispatcher is a communication machine used as safe dispatching in a remote command dispatching system, is connected with a switch through a Local Area Network (LAN), receives audio and video signals through inter-process communication IPC (inter process communication) to perform coding and decoding processing of data information and is used for controlling and commanding in real time; the switch is a network device for transmitting photoelectric signals, provides a connection port for a sub-network by receiving IPC transmitted information, and transmits signals to the command dispatcher for information processing; the IPC is used for carrying out mutual interaction on two process data between communication, receiving audio and video data signals collected by an external camera through a Local Area Network (LAN), and interactively transmitting the audio and video data signals to a switch for data exchange; the client is a program corresponding to the server and providing service for the client, the computer of the client is firstly connected with the coding and decoding board card, and then the Local Area Network (LAN) is used for connecting and commanding the dispatcher to carry out bidirectional communication transmission of audio and video data signals and digital signals.
2. The system according to claim 1, wherein the command and dispatch system comprises: the command scheduling machine consists of an X86 main board, an HDMI coding and decoding board card, an SDI coding and decoding board card, an AV coding and decoding board card, an infrared control board card, an audio coding and decoding board card, a server and external front-end and rear-end equipment, wherein the X86 main board is a CPU (central processing unit) embedded in a computer; the HDMI coding and decoding board card is used for coding and forwarding an externally input HDMI signal for scheduling; the SDI coding and decoding board card is used for coding and forwarding an externally input SDI signal for scheduling; the AV coding and decoding board card codes and forwards an AV signal input from the outside for scheduling; the infrared control board card is used for infrared control; the audio coding and decoding board card is used for multi-channel audio coding and decoding scheduling, and can decode network streams and self-decode for LED display screen display; the server responds to a service request of the terminal and performs processing, including the functions of video recording, playback, searching, timed screenshot and remote viewing; the external front-end and back-end equipment is used for video scheduling, equipment management and video playback.
3. The system according to claim 2, wherein the command scheduling system comprises: the command dispatching machine is composed of hardware equipment and comprises a command dispatching center host (1), wherein a server (2) is connected to a bottom interface of the command dispatching center host (1) in a wired mode, the command dispatching center host (1) is connected with a command center LED display screen (3) through a wireless network, a distributed coding and decoding box set (4) is connected to a lower surface interface of the command center LED display screen (3) in a wired mode, the distributed coding and decoding box set (4) is connected with a network audio and video camera set (5) through the wireless network, the network audio and video camera set (5) is connected with n computer matched coding and decoding box dispatching client sides (6) through the wireless network, the command dispatching center host (1), the server (2), the command center LED display screen (3), the distributed coding and decoding box set (4), the network audio and video camera set (5) and the n computer matched coding and decoding box dispatching client sides (6) are connected through a local area network (7) to transmit communication information.
4. The system of claim 3, wherein the command and dispatch system comprises: the system is characterized in that the command and dispatch center host (1) comprises a command and dispatch center computer (101), a control keyboard (102) is movably connected to the bottom of the command and dispatch center computer (101), the command center LED display screen (3) comprises a liquid crystal display screen (301), a switch button (302) is movably connected to the front surface of the bottom, which is close to the bottom, of the right lower side of the liquid crystal display screen (301), a power plug wire (303) is fixedly connected to the right of the lower surface of the liquid crystal display screen (301), the distributed coding and decoding box set (4) comprises a first coding and decoding box (401), a second coding and decoding box (402) and a coding and decoding box N (40N), the network audio and video camera set (5) comprises a first audio and video camera (501), a second audio and video camera (502) and an audio and video camera N (50N), the N computer matching coding and decoding box dispatching clients (6) comprise a first computer matching coding and decoding box (601), a computer matching coding and decoding box (602) and a computer matching decoding box N (60N) which are connected with each other Local Area Network (LAN) through Local Area Network (LAN) transmission data.
5. The system according to claim 1, wherein the command and dispatch system comprises: according to the working principle of the multifunctional command and dispatch system adopting the audio and video, firstly, a signal source and a network IPC camera are connected into the command and dispatch system through a coding and decoding board card and a network switch, all the board cards can be freely connected, the coding and decoding board cards are automatically connected in combination with actual conditions, external audio and video signals are sent to a client side through a network to be displayed, a dispatch room can display N signal sources in a split screen and a drag and drop mode through the client side, any one current call channel can be monitored in real time through an active sound box or an earphone, call personnel cannot be influenced during monitoring, the recording quality cannot be influenced, an LED display screen can monitor all the connected signals through the content of the decoding card, and a video monitoring system can call regional related images in real time in emergency.
6. The system of claim 5, wherein the command and dispatch system comprises: in the process of the external audio and video signal commanding and dispatching system, the input and output of audio and video acquisition, audio and video transmission, audio and video processing and audio and video display information are fully digitized, any continuously changed information is converted into a digital format and transmitted to a computer for read-write processing, a digital audio processor is added during signal acquisition, analog signals input by a plurality of channels are received and converted into digital signals, tunable algorithm processing is carried out on the digital signals, the digital audio processor is composed of an input part and an output part, wherein the input part comprises input gain control, input balance adjustment, input end delay adjustment and input polarity conversion; the output part comprises signal input distribution route selection, a high-pass filter, a low-pass filter, an equalizer, polarity, gain, time delay and amplitude limiter starting level.
7. The system of claim 5, wherein the command and dispatch system comprises: the coding and decoding board card comprises a power supply circuit, a wired network port, an HI35XX chip, a 1G DDR, an STM32, an EMMC high-speed storage chip and a flash module.
8. The system according to claim 7, wherein the command and dispatch system comprises: the STM32 is an ARM inner core designed for embedded application with high performance, low cost and low power consumption, the STM32 strengthens audio performance, and supports the input and output modes of a host computer and a slave computer for audio-level I2S communication by adopting a phase-locked loop mechanism, and can read, decode and output audio signals from an external memory; the flash module is a flash file capable of automatically playing and used as a storage code and storage system parameter data of the SRAM and the EMMC, and flash programming is accelerated.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110007159A1 (en) * | 2009-06-06 | 2011-01-13 | Camp David M | Video surveillance system and associated methods |
| CN202189436U (en) * | 2011-07-27 | 2012-04-11 | 毛振刚 | Port wharf modern management monitoring alarm command system |
| CN203416365U (en) * | 2013-09-05 | 2014-01-29 | 安徽达尔智能控制系统有限公司 | Urban high-definition video monitoring management equipment |
| CN108040220A (en) * | 2017-11-16 | 2018-05-15 | 杭州好园科技有限公司 | Wisdom garden video monitoring system |
| CN108833867A (en) * | 2018-09-06 | 2018-11-16 | 郑州三和视讯技术股份有限公司 | A kind of digital imagery transmission system based on 4K video |
| CN114189659A (en) * | 2021-12-20 | 2022-03-15 | 上海众恒信息产业股份有限公司 | Video monitoring system |
| CN114205338A (en) * | 2020-09-01 | 2022-03-18 | 中通服咨询设计研究院有限公司 | Multifunctional audio and video integrated machine |
-
2022
- 2022-11-27 CN CN202211495601.5A patent/CN115550601B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110007159A1 (en) * | 2009-06-06 | 2011-01-13 | Camp David M | Video surveillance system and associated methods |
| CN202189436U (en) * | 2011-07-27 | 2012-04-11 | 毛振刚 | Port wharf modern management monitoring alarm command system |
| CN203416365U (en) * | 2013-09-05 | 2014-01-29 | 安徽达尔智能控制系统有限公司 | Urban high-definition video monitoring management equipment |
| CN108040220A (en) * | 2017-11-16 | 2018-05-15 | 杭州好园科技有限公司 | Wisdom garden video monitoring system |
| CN108833867A (en) * | 2018-09-06 | 2018-11-16 | 郑州三和视讯技术股份有限公司 | A kind of digital imagery transmission system based on 4K video |
| CN114205338A (en) * | 2020-09-01 | 2022-03-18 | 中通服咨询设计研究院有限公司 | Multifunctional audio and video integrated machine |
| CN114189659A (en) * | 2021-12-20 | 2022-03-15 | 上海众恒信息产业股份有限公司 | Video monitoring system |
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