Audio and video conference terminal, server and system

Abstract

The utility model relates to an audio and video conference terminal, server and system. Wherein the audio and video conference terminal is connected with the audio and video conference server; the audio and video conference terminal comprises an audio and video data output module, an audio and video data acquisition module, a multi-channel processing module, an encryption and decryption module and a multi-channel transmission module. The audio and video conference terminal provided by the utility model can be used for remote conferences located at different places, data transmission among multiple parties is carried out through the audio and video conference server, meanwhile, the security during data transmission is ensured by utilizing the multi-channel transmission and the encryption and decryption module, and user loss caused by conference data leakage is avoided.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the field of communication technology, and in particular to an audio and video conference terminal, a server and a system. BACKGROUND

[0002] With the rapid development of information technology, audio and video conference systems have become an important tool for remote communication, and are widely used in business, education, medical treatment and other fields. The audio and video conference system realizes efficient and high-definition remote conference and office through the Internet, and partially replaces traditional business travel, becoming the latest mode of remote office.

[0003] With the wide application of audio and video conference systems, the conference content may involve confidential information, and once the data is leaked during transmission or storage, it may cause significant loss to enterprises or organizations. However, the existing audio and video conference system still has deficiencies in ensuring data transmission security and improving system reliability. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above technical problems, the present disclosure provides an audio and video conference terminal, a server and a system.

[0005] The present disclosure provides an audio and video conference terminal for connecting with an audio and video conference server; the audio and video conference terminal comprises an audio and video data output module, an audio and video data acquisition module, a multi-channel processing module, an encryption and decryption module and a multi-channel transmission module, wherein: the audio and video data acquisition module is connected with the multi-channel processing module, the audio and video data acquisition module is used for acquiring first audio and video data and sending the first audio and video data to the multi-channel processing module; the multi-channel processing module is connected with the encryption and decryption module, the multi-channel processing module is used for processing the first audio and video data into a plurality of first fragmented data and sending the plurality of first fragmented data to the encryption and decryption module; the encryption and decryption module is connected with the multi-channel transmission module, the encryption and decryption module is used for encrypting the plurality of first fragmented data to obtain first encrypted data and sending the first encrypted data to the multi-channel transmission module; the multi-channel transmission module is used for connecting with the audio and video conference server, the multi-channel transmission module is used for sending the first encrypted data to the audio and video conference server; the multi-channel transmission module is also used for receiving second encrypted data sent by the audio and video conference server and sending the second encrypted data to the encryption and decryption module; the encryption and decryption module is also used for decrypting the second encrypted data to obtain a plurality of second fragmented data and sending the plurality of second fragmented data to the multi-channel processing module; the multi-channel processing module is also used for integrating the plurality of second fragmented data into second audio and video data and sending the second audio and video data to the audio and video data output module.

[0006] Optionally, the multi-channel processing module comprises an FPGA unit and a digital signal processor; the digital signal processor is connected with the audio and video data collection module and is configured to receive the first audio and video data; the FPGA unit is connected with the digital signal processor and is configured to process the first audio and video data into the plurality of first fragmented data and to integrate the plurality of second fragmented data into the second audio and video data.

[0007] Optionally, the encryption and decryption module comprises a micro control unit, a trusted platform module and an encryption and decryption processor; the trusted platform module and the encryption and decryption processor are connected with the micro control unit; the micro control unit is connected with the multi-channel transmission module and the multi-channel processing module; the encryption and decryption processor is configured to encrypt the plurality of first fragmented data to obtain the first encrypted data; the encryption and decryption processor is further configured to decrypt the second encrypted data to obtain the plurality of second fragmented data; the trusted platform module is configured to provide security support for the encryption and decryption processor.

[0008] Optionally, the multi-channel transmission module comprises a plurality of communication ports, which are configured to multi-channel transmit the first encrypted data and multi-channel receive the second encrypted data.

[0009] Optionally, the multi-channel transmission module comprises a plurality of regular communication ports and a plurality of redundant communication ports; all the regular communication ports are configured to multi-channel transmit the first encrypted data and multi-channel receive the second encrypted data; part of the regular communication ports and at least one of the redundant communication ports are configured to multi-channel transmit the first encrypted data and multi-channel receive the second encrypted data.

[0010] Optionally, the audio and video data collection module comprises an audio collection interface and a video collection interface; the audio and video data output module comprises an audio output interface and a video output interface.

[0011] Optionally, the audio and video conference terminal further comprises a first Ethernet interface, a first optical fiber interface, a first wireless local area network interface, a first 5G network interface and a first communication satellite interface; the audio and video conference terminal is connected with the audio and video conference server through the first Ethernet interface, the first optical fiber interface, the first wireless local area network interface, the first 5G network interface or the first communication satellite interface.

[0012] Based on the same utility model concept, the disclosure also provides an audio and video conference server, used for connecting with a plurality of audio and video conference terminals; the plurality of audio and video conference terminals include a first audio and video conference terminal and a second audio and video conference terminal; the audio and video conference server is used for receiving the first encrypted data sent by the first audio and video conference terminal, and sending the first encrypted data as the second encrypted data to the second audio and video conference terminal.

[0013] Optionally, the audio and video conference server includes a second Ethernet interface, a second optical fiber interface, a second wireless local area network interface, a second 5G network interface and a second communication satellite interface.

[0014] The audio and video conference server is connected with the audio and video conference terminal through the second Ethernet interface, the second optical fiber interface, the second wireless local area network interface, the second 5G network interface or the second communication satellite interface.

[0015] Based on the same utility model concept, the disclosure also provides an audio and video conference system, including the audio and video conference terminal and the audio and video conference server.

[0016] The technical scheme provided by the disclosure has the following advantages compared with the prior art: the audio and video conference terminal provided by the disclosure can be used for remote conference located in different places, and data transmission between multiple parties is carried out through the audio and video conference server, and the security of data transmission is ensured by using the above-mentioned multi-channel transmission and encryption and decryption module, thereby avoiding user loss caused by conference data leakage. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings incorporated in the specification and constituting a part thereof illustrate embodiments consistent with the disclosure and serve to explain the principles of the disclosure together with the specification.

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the disclosure or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows, and obviously, other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 A structural schematic diagram of an audio and video conference terminal and an audio and video conference server is provided for the embodiments of the disclosure.

[0020] Figure 2 A structural schematic diagram of an audio and video conference system is provided for the embodiments of the disclosure.

[0021] Figure 3A structural schematic diagram of an audio and video conference terminal provided by an embodiment of the present disclosure is shown in FIG. 1.

[0022] Figure 4 A structural schematic diagram of another audio and video conference terminal provided by an embodiment of the present disclosure is shown in FIG. 2.

[0023] Figure 5 A structural schematic diagram of another audio and video conference terminal provided by an embodiment of the present disclosure is shown in FIG. 3.

[0024] Figure 6 A structural schematic diagram of an audio and video conference server provided by an embodiment of the present disclosure is shown in FIG. 4. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above-mentioned purposes, features and advantages of the embodiments of the present disclosure, the schemes of the embodiments of the present disclosure will be further described below. It should be noted that the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0026] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the embodiments of the present disclosure, but the embodiments of the present disclosure can also be implemented in other manners different from those described herein; obviously, the embodiments described in the specification are only a part of the embodiments of the present disclosure, and not all the embodiments.

[0027] An embodiment of the present disclosure provides an audio and video conference terminal 10, as shown in FIG. 1, which is used to connect with an audio and video conference server 20. Figure 1

[0028] The audio and video conference terminal 10 comprises an audio and video data acquisition module 11, a multi-channel processing module 12, an encryption and decryption module 13, a multi-channel transmission module 14 and an audio and video data output module 15, wherein:

[0029] The audio and video data acquisition module 11 is connected with the multi-channel processing module 12, and the audio and video data acquisition module 11 is used to acquire first audio and video data and send the first audio and video data to the multi-channel processing module 12.

[0030] The multi-channel processing module 12 is connected with the encryption and decryption module 13, and when the audio and video conference terminal 10 sends data to the audio and video conference server 20, the multi-channel processing module 12 is used to process the first audio and video data into a plurality of first fragmented data and send the plurality of first fragmented data to the encryption and decryption module 13.

[0031] ​Specifically, the multi-channel processing module 12 can disperse the data into multiple data fragments and transmit the data fragments through multiple channels, increasing the difficulty of data interception, and even if part of the data is intercepted, it is difficult to obtain the complete original data, thereby preventing the communication content from being leaked.

[0032] The encryption and decryption module 13 is connected with the multi-channel transmission module 14, and when the audio and video conference terminal 10 sends data to the audio and video conference server 20, the encryption and decryption module 13 is used to encrypt the plurality of first fragmented data to obtain first encrypted data, and send the first encrypted data to the multi-channel transmission module 14, further enhancing the security of the data.

[0033] The multi-channel transmission module 14 is used to connect with the audio and video conference server 20, and when the audio and video conference terminal 10 sends data to the audio and video conference server 20, the multi-channel transmission module 14 is used to send the first encrypted data to the audio and video conference server 20.

[0034] Specifically, the first fragmented data after encryption (i.e. the first encrypted data mentioned above) is still a data fragment, so it needs to be transmitted through the multi-channel transmission module 14. At the same time, the multi-channel transmission module 14 can also realize redundant transmission of data, and improve the quality of audio and video conference when the network quality is poor.

[0035] When the audio and video conference server 20 sends data to the audio and video conference terminal 10, the multi-channel transmission module 14 is also used to receive second encrypted data sent by the audio and video conference server 20, and send the second encrypted data to the encryption and decryption module 13.

[0036] When the audio and video conference server 20 sends data to the audio and video conference terminal 10, the encryption and decryption module 13 is also used to decrypt the second encrypted data to obtain a plurality of second fragmented data, and send the plurality of second fragmented data to the multi-channel processing module 12.

[0037] When the audio and video conference server 20 sends data to the audio and video conference terminal 10, the multi-channel processing module 12 is also used to integrate the plurality of second fragmented data into second audio and video data, and send the second audio and video data to the audio and video data output module 15.

[0038] The audio and video conference terminal 10 provided by the embodiment of the present disclosure can be used for remote meetings located in different places, and data transmission between multiple parties is performed through the audio and video conference server 20, while the security of data transmission is ensured by using the above-mentioned multi-channel transmission and encryption and decryption module, avoiding user loss caused by conference data leakage.

[0039] In practice, the audio and video conference terminal and the audio and video conference server provided by the above-mentioned embodiments of the present disclosure can also be used for multi-party communication in outdoor rescue. In other embodiments, the audio and video conference terminal and the audio and video conference server provided by the embodiments of the present disclosure can also be used in other scenarios, which are within the protection scope of the present disclosure.

[0040] In some embodiments, as shown in Figure 2 The audio and video conference server 20 is configured to connect with the plurality of audio and video conference terminals 10 and perform data receiving and data forwarding between the plurality of audio and video conference terminals 10.

[0041] Specifically, as shown in Figure 2 The plurality of audio and video conference terminals 10 includes a first audio and video conference terminal 101 and a second audio and video conference terminal 102.

[0042] The audio and video conference server 20 is configured to receive the first encrypted data sent by the first audio and video conference terminal 101 and send the first encrypted data to the second audio and video conference terminal 102 as the second encrypted data.

[0043] In some embodiments, as shown in Figure 3 The multi-channel processing module 12 includes an FPGA unit 121 and a digital signal processor 122. The digital signal processor 122 is connected with the audio and video data collection module 11 and configured to receive the first audio and video data. The FPGA unit 121 is connected with the digital signal processor 122 and the encryption and decryption module 13 and configured to process the first audio and video data into a plurality of first fragmented data and integrate a plurality of second fragmented data into the second audio and video data.

[0044] Specifically, the FPGA unit 121 includes a plurality of input channels and a plurality of output channels. The plurality of input channels of the FPGA unit are configured to receive the plurality of second fragmented data. The plurality of output channels are configured to output the plurality of first fragmented data.

[0045] FPGA (Field Programmable Gate Array, Field Programmable Gate Array) is a highly flexible integrated circuit, which includes programmable input and output units, configurable logic blocks, digital clock management modules, embedded block RAM, wiring resources, embedded special hard cores, bottom embedded function units and other structures, and can realize the fragmentation processing of data.

[0046] In practice, the FPGA unit can use the Zynq series of Xilinx or the Arria series of Intel chips.

[0047] In a specific embodiment, the FPGA unit is also connected with each network interface (such as Ethernet, optical fiber, etc.) to receive and send data packets, and a dedicated physical layer chip can be used as an intermediate bridge in specific implementation.

[0048] The digital signal processor is used for coding and decoding the first audio and video data collected by the audio and video data collection module 11, and the digital signal processor is connected with the audio and video data collection module 11 through a serial communication protocol such as I2S, SPI or I2C.

[0049] In specific implementation, the digital signal processor can be a C6000 series chip of Texas Instruments (TI), specifically a TIC6748 chip.

[0050] In specific implementation, the FPGA unit and the digital signal processor are connected through a high-speed parallel bus or a PCIe interface to ensure the data exchange speed between the two.

[0051] In some embodiments, as shown in Figure 4 The encryption and decryption module 13 includes a micro control unit 131, a trusted platform module 132 and an encryption and decryption processor 133.

[0052] The trusted platform module 132 and the encryption and decryption processor 133 are connected with the micro control unit 131, and the micro control unit 131 is connected with the multi-channel transmission module 14 and the multi-channel processing module 12, and the micro control unit 131 is used for executing the data interaction between the encryption and decryption module 13, the multi-channel transmission module 14 and the multi-channel processing module 12.

[0053] The encryption and decryption processor 133 is used for encrypting processing a plurality of first fragmented data to obtain first encrypted data, and is also used for decrypting processing second encrypted data to obtain a plurality of second fragmented data.

[0054] Specifically, the first fragmented data is received by the micro control unit 131 and sent to the encryption and decryption processor 133, and the first encrypted data is received by the micro control unit 131 and sent to the multi-channel transmission module 14; the second encrypted data is received by the micro control unit 131 and sent to the encryption and decryption processor 133, and the second fragmented data is received by the micro control unit 131 and sent to the multi-channel processing module 12.

[0055] The trusted platform module 132 is used for providing security support for the encryption and decryption processor 133.

[0056] The micro control unit 131 can be an MCU chip, and MCU (Microcontroller Unit) is a kind of integrated circuit chip, including processor core, memory, input / output interface, etc.

[0057] The encryption and decryption processor 133 can be an AES (Advanced Encryption Standard) coprocessor. In the AES coprocessor encryption and decryption process, data is divided into fixed-length blocks, and then encrypted and decrypted using the same key. In specific implementation, the encryption and decryption processor 133 can use an ATAES132A chip.

[0058] In specific implementation, the trusted platform module 132 can use an OPTIGA TM TPM SLB 9670V2.0 chip is used to manage the security policy of the entire system.

[0059] Specifically, the trusted platform module 132 is connected with the micro control unit 131 through an I2C or SPI communication interface. The encryption and decryption processor 133 is also connected with the micro control unit 131 through an I2C or SPI communication interface. The micro control unit 131 is connected with the multi-channel transmission module 14 and the multi-channel processing module 12 through an internal bus.

[0060] In some embodiments, the multi-channel transmission module 14 includes a plurality of communication ports for multi-channel sending of the first encrypted data and multi-channel receiving of the second encrypted data. The plurality of communication ports are connected with the audio and video conference server 20.

[0061] In a specific embodiment, the multi-channel transmission module 14 further includes a multi-port network controller, which can be a Broadcom BCM54210E Gigabit Ethernet PHY chip, which can support multiple network ports at the same time, thereby constructing a multi-channel transmission system. The multi-channel transmission module 14 further includes a wireless communication module for supporting wireless local area networks and 5G networks, which can be a Qualcomm QCA6174 Wi-Fi module and a Quectel RM500Q 5G module. The multi-port network controller is directly connected to external network devices through an RJ45 socket or an SFP optical module, and is connected with the FPGA unit through standard interfaces such as MII / RMII / GMII. The wireless communication module is connected with the micro control unit through a USB or PCIe interface, and an additional antenna interface can also be provided for wireless signal transmission and reception.

[0062] In some embodiments, the multi-channel transmission module 14 includes a plurality of regular communication ports and a plurality of redundant communication ports. All the regular communication ports can be used for multi-channel sending of the first encrypted data and multi-channel receiving of the second encrypted data.

[0063] Part of the conventional communication port and at least one redundant communication port can be used for multi-channel sending first encrypted data and multi-channel receiving second encrypted data, thereby realizing redundant transmission of data and improving the quality of audio and video conference when the network quality is poor.

[0064] In some embodiments, as shown in Figure 5 The audio and video data collection module 11 includes an audio collection interface 111 and a video collection interface 112. The audio collection interface 111 is used to connect a microphone, and the video collection interface 112 is used to connect a camera.

[0065] The audio and video data output module 15 includes an audio output interface 151 and a video output interface 152. The audio output interface 151 is used to connect a loudspeaker, and the video output interface 152 is used to connect a display screen.

[0066] In another embodiment, the audio and video data collection module 11 can also be directly integrated with a microphone and a camera, and the audio and video data output module 15 can also be directly integrated with a loudspeaker and a display screen, or partially integrated with the module and partially external.

[0067] In some embodiments, as shown in Figure 5 The audio and video conference terminal 10 further includes a first Ethernet interface 161, a first optical fiber interface 162, a first wireless local area network interface 163, a first 5G network interface 164, and a first communication satellite interface 165.

[0068] The audio and video conference terminal 10 is connected with the audio and video conference server 20 through the first Ethernet interface 161, the first optical fiber interface 162, the first wireless local area network interface 163, the first 5G network interface 164, or the first communication satellite interface 165.

[0069] The audio and video conference terminal 10 is connected with the audio and video conference server 20 through diversified network interfaces, which can realize high-speed, reliable, and flexible data transmission, meet the network connection requirements in different environments and application scenarios, and enhance the adaptability and user experience of the system.

[0070] Specifically, Ethernet interfaces are a stable and widely used wired connection method, suitable for data transmission within a local area network (LAN). They support high-speed data transmission and are relatively low-cost, easy to deploy, and easy to maintain. Fiber optic interfaces utilize the principle of total internal reflection of light for information transmission, providing extremely high data transmission rates and long-distance transmission capabilities. They excel in scenarios requiring high bandwidth and long-distance communication, such as data center interconnects and metropolitan area networks (MANs). Wireless LAN (WLAN) interfaces allow terminals to connect to the network without a physical connection, providing mobility and flexibility. They are particularly suitable for office environments and public places, supporting multiple device connections and enhancing the user's network access experience. 5G network interfaces support high-speed data transmission, low latency, and high reliability, meeting the high-speed network requirements of 4K / 8K video streaming, cloud gaming, VR / AR applications, and providing real-time assurance in fields such as telemedicine, autonomous driving, and industrial automation. Satellite communication interfaces achieve global coverage through satellite communication, especially suitable for remote areas and scenarios where terrestrial networks are difficult to cover. They can provide wide-area or even global coverage, meeting users' ubiquitous business needs, and can be integrated with 5G networks to form a comprehensive space-ground communication network.

[0071] Specifically, the first Ethernet interface 161 can connect to a standard network cable. Internally, the first Ethernet interface 161 is connected to an Ethernet interface chip, which in turn is connected to the multi-channel transmission module 14. The first fiber optic interface 162 can connect to an optical fiber cable. Internally, the first fiber optic interface 162 is connected to a high-speed serial transceiver chip, which in turn is connected to the multi-channel transmission module 14. The first wireless LAN interface 163 can connect to a wireless LAN. Internally, the first wireless LAN interface 163 is connected to a wireless LAN protocol processing transceiver chip, which in turn is connected to the multi-channel transmission module 14. The first 5G network interface 164 can connect to a wireless LAN. Internally, the first 5G network interface 164 is connected to a 5G network protocol processing transceiver chip, which in turn is connected to the multi-channel transmission module 14. The first communication satellite interface 165 can connect to a communication satellite antenna to achieve internet connectivity. Internally, the first communication satellite interface 165 is connected to a communication satellite data protocol processing transceiver chip, which in turn is connected to the multi-channel transmission module 14.

[0072] In some embodiments, such as Figure 6 As shown, the audio and video conferencing server 20 includes a second Ethernet interface 261, a second fiber optic interface 262, a second wireless LAN interface 263, a second 5G network interface 264, and a second communication satellite interface 265.

[0073] The audio and video conference server 20 is connected with the audio and video conference terminal 10 through the second Ethernet interface 261, the second optical fiber interface 262, the second wireless local area network interface 263, the second 5G network interface 264 or the second communication satellite interface 265.

[0074] The audio and video conference server 20 and the audio and video conference terminal 10 can be connected through the above-mentioned interfaces, a network connection line, a wireless local area network relayed by an optical fiber connection line or a wireless routing device, a 5G network relayed by a communication base station, an Internet connection relayed by a communication satellite, or other data transmission modes capable of providing sufficient bandwidth.

[0075] In specific implementation, as shown in Figure 5 , the audio and video conference terminal 10 is further provided with a first power supply interface 17 for connecting an alternating current power supply. The alternating current power supply is converted into a suitable power supply voltage inside the audio and video conference terminal 10 to provide power supply for each module inside the audio and video conference terminal 10.

[0076] In specific implementation, as shown in Figure 5 , the audio and video conference terminal 10 is further provided with a first debugging interface 18 for connecting an external debugging device and performing functional debugging on each module in the audio and video conference terminal 10.

[0077] Based on the same utility model concept, the present application further provides an audio and video conference server 20 corresponding to the method of any of the above-mentioned embodiments, as shown in Figure 2 , one audio and video conference server 20 is used to connect with a plurality of audio and video conference terminals 10 in any of the above-mentioned embodiments and perform data receiving and data forwarding between a plurality of audio and video conference terminals 10.

[0078] Specifically, as shown in Figure 2 , the plurality of audio and video conference terminals 10 includes a first audio and video conference terminal 101 and a second audio and video conference terminal 102. The audio and video conference server 20 is used to receive first encrypted data sent by the first audio and video conference terminal 101 and send the first encrypted data as the above-mentioned second encrypted data to the second audio and video conference terminal 102.

[0079] The audio and video conference server 20 provided by the embodiments of the present disclosure can be used for remote conferences located at different places and perform data transmission between multiple parties through the audio and video conference terminal 10, while the security during data transmission is ensured by using the above-mentioned multi-channel transmission and encryption and decryption modules, thereby avoiding user loss caused by conference data leakage.

[0080] In some embodiments, as shown in Figure 6As shown, the audio and video conference server 20 corresponds to include a second Ethernet interface 261, a second optical fiber interface 262, a second wireless local area network interface 263, a second 5G network interface 264 and a second communication satellite interface 265.

[0081] The audio and video conference server 20 is connected with the audio and video conference terminal 10 through the second Ethernet interface 261, the second optical fiber interface 262, the second wireless local area network interface 263, the second 5G network interface 264 or the second communication satellite interface 265.

[0082] In specific implementation, the audio and video conference server 20 further includes an audio and video processing and routing module, which is used for data receiving and data forwarding between multiple audio and video conference terminals 10. The second Ethernet interface 261 can be connected with a standard network connection line, and the inside of the second Ethernet interface 261 is connected with an Ethernet interface chip, which is connected with the audio and video processing and routing module. The second optical fiber interface 262 can be connected with an optical cable, and the inside of the second optical fiber interface 262 is connected with a high-speed serial transceiver chip, which is connected with the audio and video processing and routing module. The second wireless local area network interface 263 can be connected with a wireless local area network, and the inside of the second wireless local area network interface 263 is connected with a wireless local area network protocol processing transceiver chip, which is connected with the audio and video processing and routing module. The second 5G network interface 264 can be connected with a wireless local area network, and the inside of the second 5G network interface 264 is connected with a 5G network protocol processing transceiver chip, which is connected with the audio and video processing and routing module. The second communication satellite interface 265 can be connected with a communication satellite antenna to realize Internet connection, and the inside of the second communication satellite interface 265 is connected with a communication satellite data protocol processing transceiver chip, which is connected with the audio and video processing and routing module.

[0083] The audio and video conference server 20 and the audio and video conference terminal 10 can be connected through the above-mentioned interfaces, network connection lines, optical fiber connection lines, wireless routing devices, wireless local area networks relayed by the wireless routing devices, 5G networks relayed by communication base stations, Internet connections relayed by communication satellites, or other data transmission modes that can provide sufficient bandwidth.

[0084] In specific implementation, as shown in Figure 6 As shown, the audio and video conference server 20 is further provided with a second power supply interface 27, which is used for connecting an alternating current power supply. The alternating current power supply is converted into a suitable power supply voltage inside the audio and video conference server 20, and provides power supply for each module inside the audio and video conference server 20.

[0085] In specific implementation, as shown in Figure 6As shown, the audio and video conference server 20 is also provided with a second debugging interface 28, which is used to connect an external debugging device and perform functional debugging on each module in the audio and video conference server 20.

[0086] The device of the above embodiment is used to connect the corresponding audio and video conference terminal in any of the above embodiments, and has the beneficial effects of the corresponding embodiment, which will not be repeated here.

[0087] Based on the same inventive concept, corresponding to the method of any of the above embodiments, the present application also provides an audio and video conference system, which comprises the audio and video conference terminal 10 in any of the above embodiments and the audio and video conference server 20 in any of the above embodiments. Figure 2 As shown, the audio and video conference server 20 is also provided with a second debugging interface 28, which is used to connect an external debugging device and perform functional debugging on each module in the audio and video conference server 20.

[0088] The audio and video conference system provided by the embodiments of the present disclosure can be used for remote conferencing at different locations, and data transmission between multiple parties is performed through the audio and video conference system, while the security of data transmission is ensured by using the above multi-channel transmission and encryption and decryption modules, thereby avoiding user loss caused by conference data leakage.

[0089] The system of the above embodiment comprises the corresponding audio and video conference terminal and the audio and video conference server in any of the above embodiments, and has the beneficial effects of the corresponding embodiment, which will not be repeated here.

[0090] It should be noted that, in this document, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the listed element.

[0091] The above is merely a specific implementation of the present disclosure, enabling those skilled in the art to understand or implement the present disclosure. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure will not be limited to these embodiments described herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An audio and video conferencing terminal, characterized in that, Used to connect to an audio / video conferencing server; The audio and video conferencing terminal includes an audio and video data output module, an audio and video data acquisition module, a multi-channel processing module, an encryption and decryption module, and a multi-channel transmission module, wherein: The audio and video data acquisition module is connected to the multi-channel processing module. The audio and video data acquisition module is used to acquire first audio and video data and send the first audio and video data to the multi-channel processing module. The multi-channel processing module is connected to the encryption and decryption module. The multi-channel processing module is used to process the first audio and video data into multiple first fragmented data and send the multiple first fragmented data to the encryption and decryption module. The encryption / decryption module is connected to the multi-channel transmission module. The encryption / decryption module is used to encrypt the plurality of first fragmented data to obtain first encrypted data, and send the first encrypted data to the multi-channel transmission module. The multi-channel transmission module is used to connect to the audio and video conferencing server, and the multi-channel transmission module is used to send the first encrypted data to the audio and video conferencing server; The multi-channel transmission module is also used to receive the second encrypted data sent by the audio and video conferencing server, and send the second encrypted data to the encryption and decryption module; The encryption / decryption module is also used to decrypt the second encrypted data to obtain multiple second fragmented data, and send the multiple second fragmented data to the multi-channel processing module; The multi-channel processing module is further configured to integrate the multiple second fragmented data into second audio and video data, and send the second audio and video data to the audio and video data output module.

2. The audio and video conferencing terminal according to claim 1, characterized in that, The multi-channel processing module includes an FPGA unit and a digital signal processor; The digital signal processor is connected to the audio and video data acquisition module and is used to receive the first audio and video data; The FPGA unit is connected to the digital signal processor and is used to process the first audio and video data into the plurality of first fragmented data, and to integrate the plurality of second fragmented data into the second audio and video data.

3. The audio and video conferencing terminal according to claim 1, characterized in that, The encryption / decryption module includes a microcontroller unit, a trusted platform module, and an encryption / decryption processor. The trusted platform module and the encryption / decryption processor are both connected to the microcontroller unit, and the microcontroller unit is connected to the multi-channel transmission module and the multi-channel processing module; The encryption / decryption processor is used to encrypt the plurality of first fragmented data to obtain the first encrypted data; The encryption / decryption processor is also used to decrypt the second encrypted data to obtain the plurality of second fragmented data; The trusted platform module is used to provide security support for the encryption / decryption processor.

4. The audio and video conferencing terminal according to claim 1, characterized in that, The multi-channel transmission module includes multiple communication ports, which are used to send the first encrypted data through multiple channels and to receive the second encrypted data through multiple channels.

5. The audio and video conferencing terminal according to claim 4, characterized in that, The multi-channel transmission module includes multiple conventional communication ports and multiple redundant communication ports; All of the aforementioned conventional communication ports can be used to send the first encrypted data through multiple channels and to receive the second encrypted data through multiple channels; Some of the conventional communication ports and at least one of the redundant communication ports can be used to send the first encrypted data through multiple channels and receive the second encrypted data through multiple channels.

6. The audio and video conferencing terminal according to claim 1, characterized in that, The audio and video data acquisition module includes an audio acquisition interface and a video acquisition interface, and the audio and video data output module includes an audio output interface and a video output interface.

7. The audio and video conferencing terminal according to claim 1, characterized in that, It also includes a first Ethernet interface, a first fiber optic interface, a first wireless LAN interface, a first 5G network interface, and a first communication satellite interface; The audio and video conferencing terminal is connected to the audio and video conferencing server through the first Ethernet interface, the first optical fiber interface, the first wireless LAN interface, the first 5G network interface, or the first communication satellite interface.

8. An audio / video conferencing server, characterized in that, For connection with any one of the audio and video conferencing terminals as described in any one of claims 1 to 7; The plurality of audio and video conferencing terminals include a first audio and video conferencing terminal and a second audio and video conferencing terminal; The audio and video conferencing server is used to receive the first encrypted data sent by the first audio and video conferencing terminal, and send the first encrypted data as the second encrypted data to the second audio and video conferencing terminal.

9. The audio / video conferencing server according to claim 8, characterized in that, It includes a second Ethernet interface, a second fiber optic interface, a second wireless LAN interface, a second 5G network interface, and a second communication satellite interface; The audio and video conferencing server is connected to the audio and video conferencing terminal through the second Ethernet interface, the second fiber optic interface, the second wireless LAN interface, the second 5G network interface, or the second communication satellite interface.

10. An audio-visual conferencing system, characterized in that, It includes the audio and video conferencing terminal as described in any one of claims 1 to 7 and the audio and video conferencing server as described in claim 8 or 9.

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