A video conferencing transcoding distribution system

Abstract

The present invention discloses a system for transcoding and distributing video conferences, which relates to the technical field of data transcoding and distribution, and includes a video conference control terminal, a scheduling terminal, a receiving and transmitting sub-end, and a real-time synchronization port. The video conference control terminal enters the receiving and transmitting sub-end by accessing the scheduling terminal, thereby accessing the system. The present invention constructs a complete system by setting the video conference control terminal, the scheduling terminal, the receiving and transmitting sub-end, and the real-time synchronization port, accesses the video conference and converts it into video conference data, controls, applies, and backs up the video conference data, performs corresponding identification through the scheduling terminal, switches between the individual mode and the cluster mode, manages, visualizes, and stores the transcoded and distributed video conference data and the corresponding analysis results, helps to realize the transcoding and distribution management of the video conference through the Internet cloud management and control, improves the intelligence level of the transcoding and distribution management, and thus realizes the full utilization of terminal resources.

Description

Technical Field

[0001] The present invention belongs to the technical field of data transcoding and distribution, and in particular relates to a transcoding and distribution system based on video conferencing. Background Art

[0002] With the rapid development of computer hardware and network technology, traditional communication methods such as telephones and faxes can no longer meet people's needs for deeper communication. In recent years, multimedia communications, primarily using audio and video as transmission mediums, have become a hot topic in the communications field. As a modern office system, video conferencing systems can interconnect real-time scenes and audio from different venues, giving participants the feeling of "face-to-face" conversations. With the continued advancement of communication technology, high-quality multimedia video conferencing has become a growing trend and is increasingly in demand. However, high-quality video conferencing system technology is still immature, making it difficult to support large numbers of participants and multiple high-definition video streams in a single meeting. Video conferencing also plays a crucial role in military management, so effective transcoding and distribution of video conferences has attracted widespread attention.

[0003] In the existing technology, when performing video conferencing transcoding and distribution, the lack of real-time synchronization can easily cause data asynchrony, affecting normal meeting use. At the same time, it is impossible to switch modes according to the needs of the meeting, which lengthens the overall operation process and brings many inconveniences. Therefore, the present invention needs to design a video conferencing transcoding and distribution system to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a video conferencing transcoding and distribution system in order to solve the above problems, which solves the problem mentioned in the background technology that when performing video conferencing transcoding and distribution, no real-time synchronization is performed, which easily causes data to be out of sync, affecting normal meeting use, and at the same time, it is impossible to switch modes according to the needs of the meeting, which lengthens the overall operation process and brings many inconveniences.

[0005] In order to solve the above problems, the present invention provides a technical solution:

[0006] A video conferencing transcoding and distribution system includes a video conferencing control terminal, a scheduling terminal, a receiving and transmitting terminal, and a real-time synchronization port. The video conferencing control terminal accesses the system by accessing the scheduling terminal to enter the receiving and transmitting terminal. The real-time synchronization port maintains real-time data communication with the video conferencing control terminal, scheduling terminal, and receiving and transmitting terminal via the Internet. The network transmission protocols supported by the system are one or more of TCP / IP, UDP, HTTP / HTTPS, RTP, and RTCP.

[0007] The video conference control terminal is used to access the video conference and convert it into video conference data. The video conference control terminal is also used to control, apply and back up the video conference data;

[0008] The dispatch terminal is used to receive the control instructions sent by the video conference control terminal, perform corresponding identification, and switch between single-soldier mode and cluster mode;

[0009] The receiving sub-end is used for corresponding identification and synchronous visualization of the optimized video conference data sent by the scheduling terminal;

[0010] The real-time synchronization port is used to synchronize and monitor the video conference data within the video conference control terminal, the scheduling terminal, and the receiving and transmitting sub-terminal in real time.

[0011] Preferably, the output end of the video conference control terminal is communicatively connected to the input end of the dispatch terminal, and the output end of the dispatch terminal is communicatively connected to the input end of the receiving terminal.

[0012] Preferably, the video conferencing control terminal includes an access unit, a control unit, an application unit and a backup unit. The output end of the access unit is communicatively connected to the input end of the control unit, the output end of the control unit is communicatively connected to the input end of the application unit, the output end of the application unit is communicatively connected to the input end of the scheduling terminal, and the access unit, control unit and application unit are all bidirectionally communicatively connected to the backup unit.

[0013] Preferably, the access unit is used to access a video conference that needs to be transcoded and distributed, access the video conference, and convert the video conference into data;

[0014] The control unit is used to coordinate the video conference data that needs to be transcoded and distributed, manage user permissions, and access device resource management functions;

[0015] The application unit is used to send video conference data to the scheduling terminal and provide interactive operations of the video conference data;

[0016] The backup unit is used to back up video conferences and video conference data that need to be transcoded and distributed.

[0017] Preferably, the dispatch terminal includes a dispatch center, an individual dispatch unit and a cluster dispatch unit. The output end of the dispatch center is communicatively connected to the input end of the individual dispatch unit, the output end of the dispatch center is communicatively connected to the input end of the cluster dispatch unit, and the output ends of the individual dispatch unit and the cluster dispatch unit are both communicatively connected to the input end of the receiving transmitter.

[0018] Preferably, the dispatch center is used to receive the control instructions sent by the video conferencing control terminal and perform corresponding identification. When the number is 1, it is diagnosed as a single-soldier mode, and the dispatch center sends the video conferencing data received this time to the single-soldier dispatch unit in a timely manner; when the number is greater than 1, it is diagnosed as a cluster mode, and the dispatch center sends the video conferencing data received this time to the cluster dispatch unit in a timely manner.

[0019] The individual soldier dispatching unit is used to receive the video conference data sent by the dispatching center, start the one-to-one mode, and perform optimization transcoding. The individual soldier dispatching unit is also used to send the optimized video conference data to the receiving end for corresponding visualization;

[0020] The cluster scheduling unit is used to receive the video conferencing data sent by the scheduling center, start the one-to-group mode, and perform optimization transcoding. The cluster scheduling unit is also used to send the optimized video conferencing data to the receiving end for corresponding visualization.

[0021] Preferably, the receiving and transmitting sub-end includes a receiving and transmitting center, an individual receiving unit, a cluster receiving unit and a visualization unit. The output end of the receiving and transmitting center is communicatively connected to the input end of the individual receiving unit, the cluster receiving unit and the visualization unit. The output end of the individual receiving unit and the cluster receiving unit is communicatively connected to the input end of the visualization unit.

[0022] Preferably, the receiving and transmitting center is used to receive the optimized video conference data sent by the scheduling terminal, perform corresponding identification, and if it is a newly created video conference, send it to the individual receiving unit and the cluster receiving unit respectively after completion of identification; if it is an already deployed video conference, send it directly to the visualization unit after completion of identification;

[0023] The individual soldier receiving unit is used to receive the video conference data sent by the receiving and transmitting center, and the individual soldier receiving unit is also used to send the video conference data to the inside of the visualization unit;

[0024] The cluster receiving unit is used to receive the video conference data sent by the receiving and sending center, and the cluster receiving unit is also used to send the video conference data to the inside of the visualization unit;

[0025] The visualization unit is used to receive the video conference data sent by the receiving and sending center, the individual receiving unit, and the cluster receiving unit respectively, and perform synchronous visualization.

[0026] Preferably, the real-time synchronization port includes a real-time synchronization unit and a real-time monitoring unit, the output ends of the real-time synchronization unit and the real-time monitoring unit are both communicatively connected to the input end of the video conferencing control terminal, the output ends of the real-time synchronization unit and the real-time monitoring unit are both communicatively connected to the input end of the scheduling terminal, and the output ends of the real-time synchronization unit and the real-time monitoring unit are both communicatively connected to the input end of the receiving transmitter end.

[0027] Preferably, the real-time synchronization unit is used to synchronize the video conference data within the video conference control terminal, the scheduling terminal, and the receiving and transmitting sub-terminal in real time;

[0028] The real-time monitoring unit is used to monitor the video conference data inside the video conference control terminal, the scheduling terminal, and the receiving and transmitting sub-end in real time, and to send a fault reminder to the receiving and transmitting sub-end in a timely manner when a fault occurs in any link.

[0029] The beneficial effects of the present invention are: the present invention constructs a complete system by setting up a video conferencing control terminal, a scheduling terminal, a receiving and transmitting terminal and a real-time synchronization port, accesses the video conference and converts it into video conferencing data, controls, applies and backs up the video conferencing data, performs corresponding identification through the scheduling terminal, switches between the individual mode and the cluster mode, performs synchronous visualization operations through the receiving and transmitting terminal, performs real-time synchronization and real-time monitoring of comprehensive video conferencing data through the real-time synchronization port, and correspondingly identifies the control instructions sent by the conference control terminal through the scheduling center. When the number is 1, it is diagnosed as the individual mode. When the number is greater than 1, it is diagnosed as the cluster mode, and corresponding switching is performed. The transcoded and distributed video conferencing data and the corresponding analysis results are managed, visualized and stored, which helps to realize the transcoding and distribution management of video conferencing through Internet cloud management and control, improve the intelligence level of transcoding and distribution management, and thus fully utilize terminal resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] For ease of explanation, the present invention is described in detail with reference to the following specific implementations and accompanying drawings.

[0031] Figure 1 This is an overall topology diagram of a video conferencing transcoding and distribution system according to the present invention;

[0032] Figure 2 This is a topological diagram of a video conference control terminal based on a video conference transcoding and distribution system of the present invention;

[0033] Figure 3 This is a scheduling terminal topology diagram based on a video conferencing transcoding distribution system of the present invention;

[0034] Figure 4 This is a topological diagram of a receiving and transmitting end based on a video conferencing transcoding and distribution system of the present invention;

[0035] Figure 5 The present invention discloses a real-time synchronous port topology diagram based on a video conference transcoding and distribution system. DETAILED DESCRIPTION

[0036] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, this specific embodiment adopts the following technical solutions:

[0037] A video conferencing transcoding and distribution system includes a video conferencing control terminal, a scheduling terminal, a receiving sub-terminal, and a real-time synchronization port. The video conferencing control terminal accesses the system by accessing the scheduling terminal to enter the receiving sub-terminal. The real-time synchronization port maintains real-time data communication with the video conferencing control terminal, the scheduling terminal, and the receiving sub-terminal via the Internet. The network transmission protocols supported by the system are one or more of TCP / IP, UDP, HTTP / HTTPS, RTP, and RTCP. The output end of the video conferencing control terminal is communicatively connected to the input end of the scheduling terminal, and the output end of the scheduling terminal is communicatively connected to the input end of the receiving sub-terminal.

[0038] The video conference control terminal is used to access the video conference and convert it into video conference data. The video conference control terminal is also used to control, apply and back up the video conference data. The video conference control terminal includes an access unit, a control unit, an application unit and a backup unit. The output end of the access unit is communicatively connected to the input end of the control unit, the output end of the control unit is communicatively connected to the input end of the application unit, and the output end of the application unit is communicatively connected to the input end of the scheduling terminal. The access unit, the control unit and the application unit are all bidirectionally connected to the backup unit. The access unit is used to access the video conference that needs to be transcoded and distributed, access and convert it into data. The main equipment includes a terminal access server, a streaming media access server, a national standard access server, a high-definition decoding server, a GIS server and a multimedia access gateway device; the control unit is used to coordinate the video conference data that needs to be transcoded and distributed, manage user permissions and access device resource management functions, and the main equipment includes a control plane server and a media plane server; the application unit is used to send video conference data to the scheduling terminal and provide interactive operations of video conference data, such as video device scheduling, video conference group meetings, and video command application functions. The main equipment is a scheduling client; the backup unit is used to back up video conferences and video conference data that need to be transcoded and distributed;

[0039] The dispatch terminal is used to receive the control instructions sent by the video conference control terminal, perform corresponding identification, and switch between single-soldier mode and cluster mode; the dispatch terminal includes a dispatch center, a single-soldier dispatch unit and a cluster dispatch unit, the output end of the dispatch center is communicatively connected to the input end of the single-soldier dispatch unit, the output end of the dispatch center is communicatively connected to the input end of the cluster dispatch unit, the output ends of the single-soldier dispatch unit and the cluster dispatch unit are both communicatively connected to the input end of the receiving terminal, the dispatch center is used to receive the control instructions sent by the video conference control terminal, perform corresponding identification, and when the number is 1, it is diagnosed as single-soldier mode, and the dispatch center will receive the video conference data received this time. Send it to the interior of the individual scheduling unit in a timely manner; when the number is greater than 1, it is diagnosed as a cluster mode, and the scheduling center sends the video conference data received this time to the interior of the cluster scheduling unit in a timely manner; the individual scheduling unit is used to receive the video conference data sent by the scheduling center, start the one-to-one mode, and perform optimization transcoding. The individual scheduling unit is also used to send the optimized video conference data to the receiving sub-end for corresponding visualization; the cluster scheduling unit is used to receive the video conference data sent by the scheduling center, start the one-to-group mode, and perform optimization transcoding. The cluster scheduling unit is also used to send the optimized video conference data to the receiving sub-end for corresponding visualization;

[0040] The receiving and transmitting sub-end is used for corresponding identification and synchronous visualization of the optimized video conference data sent by the scheduling terminal; the receiving and transmitting sub-end includes a receiving and transmitting center, a single-soldier receiving unit, a cluster receiving unit and a visualization unit, the output end of the receiving and transmitting center is communicatively connected with the input end of the single-soldier receiving unit, the cluster receiving unit and the visualization unit, the output end of the single-soldier receiving unit and the cluster receiving unit are communicatively connected with the input end of the visualization unit, the receiving and transmitting center is used for receiving the optimized video conference data sent by the scheduling terminal, and performing corresponding identification. If it is a newly created video conference, it is sent to the single-soldier receiving unit and the cluster receiving unit respectively after identification. If it is a newly created video conference, it is sent to the single-soldier receiving unit and the cluster receiving unit respectively after identification. The deployed video conference is directly sent to the visualization unit after identification is completed; the individual receiving unit is used to receive the video conference data sent by the receiving and sending center. This access mode supports half-duplex / full-duplex single call, voice conference, and video conference access. The individual receiving unit is also used to send the video conference data to the visualization unit; the cluster receiving unit is used to receive the video conference data sent by the receiving and sending center. The cluster receiving unit is also used to send the video conference data to the visualization unit and make a half-duplex call to the group; the visualization unit is used to receive the video conference data sent by the receiving and sending center, the individual receiving unit, and the cluster receiving unit respectively, and perform synchronous visualization;

[0041] The real-time synchronization port is used to synchronize and monitor the video conferencing data inside the video conferencing control terminal, the scheduling terminal, and the receiving sub-end in real time; the real-time synchronization port includes a real-time synchronization unit and a real-time monitoring unit, the output ends of the real-time synchronization unit and the real-time monitoring unit are both communicatively connected to the input end of the video conferencing control terminal, the output ends of the real-time synchronization unit and the real-time monitoring unit are both communicatively connected to the input end of the scheduling terminal, and the output ends of the real-time synchronization unit and the real-time monitoring unit are both communicatively connected to the input end of the receiving sub-end, the real-time synchronization unit is used to synchronize the video conferencing data inside the video conferencing control terminal, the scheduling terminal, and the receiving sub-end in real time to minimize delay; the real-time monitoring unit is used to monitor the video conferencing data inside the video conferencing control terminal, the scheduling terminal, and the receiving sub-end in real time, and to send a fault reminder to the receiving sub-end in a timely manner when a fault occurs in a certain link.

[0042] Example 1

[0043] S1. During operation, the staff starts the video conference control terminal, accesses the dispatch terminal and enters the receiving terminal to access the system;

[0044] S2. Access the video conference that needs to be transcoded and distributed through the access unit, access and convert it into data, coordinate the video conference data that needs to be transcoded and distributed through the control unit, manage user permissions, access device resource management functions, send video conference data to the scheduling terminal through the application unit, provide interactive operations on video conference data, and perform manual control;

[0045] S3. Receive control instructions sent by the video conferencing control terminal through the dispatch center and perform corresponding identification. When the number is 1, it is diagnosed as single-soldier mode, and the dispatch center sends the received video conferencing data to the single-soldier dispatch unit in a timely manner; when the number is greater than 1, it is diagnosed as cluster mode, and the dispatch center sends the received video conferencing data to the cluster dispatch unit in a timely manner, starts the one-to-one mode, optimizes and transcodes it, and sends it to the receiving end for corresponding visualization. The cluster dispatch unit receives the video conferencing data sent by the dispatch center, starts the one-to-group mode, optimizes and transcodes it, and sends it to the receiving end for corresponding visualization.

[0046] S4. The optimized video conference data sent by the dispatching terminal is received by the receiving and sending center, and corresponding identification is performed. If it is a newly created video conference, it is sent to the individual receiving unit and the cluster receiving unit respectively after identification. If it is a deployed video conference, it is sent directly to the visualization unit after identification. The video conference data sent by the receiving and sending center is received by the individual receiving unit and the cluster receiving unit respectively. The above video conference data is synchronously visualized through the visualization unit. The real-time synchronization unit and the real-time monitoring unit maintain real-time synchronization and monitoring processing, forming a video conference transcoding and distribution cycle operation.

[0047] Example 2

[0048] When the video conferencing transcoding and distribution system is connected to military management:

[0049] S1. During operation, military personnel activate the military video conference control terminal, access the military dispatch terminal, enter the military receiving terminal, and thus access the system;

[0050] S2. Access military video conferencing projects that require transcoding and distribution through the military access unit, access and convert them into data, coordinate military video conferencing data that requires transcoding and distribution through the military control unit, manage military personnel user permissions, access various military equipment resource management functions, send video conferencing data to military dispatch terminals through the military application unit, provide interactive operations for military video conferencing data, and perform manual control;

[0051] S3. Receive control commands sent by the military video conferencing control terminal through the military dispatch center and perform corresponding identification. When the number is 1, it is diagnosed as single-soldier mode, and the dispatch center promptly sends the received video conferencing data to the single-soldier dispatch unit; when the number is greater than 1, it is diagnosed as cluster mode, and the military dispatch center promptly sends the received military video conferencing data to the cluster dispatch unit, starts the one-to-one mode, optimizes and transcodes it, and sends it to the military receiving sub-end for corresponding visualization. The video conferencing data sent by the dispatch center is received by the military cluster dispatch unit, starts the one-to-group mode, optimizes and transcodes it, and sends it to the military receiving sub-end for corresponding visualization.

[0052] S4. The optimized military video conference data sent by the dispatch terminal is received by the military receiving and transmitting center, and corresponding identification is performed. If it is a newly-built video conference, it is sent to the military individual receiving unit and the military cluster receiving unit respectively after identification. If it is a deployed video conference, it is sent directly to the visualization unit after identification. The video conference data sent by the receiving and transmitting center is received by the individual receiving unit and the cluster receiving unit respectively. The above video conference data is synchronously visualized by the military visualization unit. The military real-time synchronization unit and the military real-time monitoring unit maintain real-time synchronization and monitoring processing, forming a military video conference transcoding and distribution cycle operation.

[0053] Specifically: In actual applications, there are multiple receiving sub-ends, which are used in conjunction with the video conferencing control terminal, the scheduling terminal and the real-time synchronization port respectively. The multiple receiving sub-ends are located in different geographical locations. When operating, the staff starts the video conferencing control terminal, accesses the scheduling terminal to enter the receiving sub-end, and thus accesses the system; accesses the video conference that needs to be transcoded and distributed through the access unit, accesses and converts it into data, coordinates the video conferencing data that needs to be transcoded and distributed through the control unit, manages user permissions, accesses equipment resource management functions, and sends video conferencing data to the scheduling terminal through the application unit, provides interactive operations of video conferencing data, and performs manual control; through The dispatch center receives the control instructions sent by the video conference control terminal and performs corresponding identification. When the number is 1, it is diagnosed as single-soldier mode, and the dispatch center sends the video conference data received this time to the single-soldier dispatch unit in a timely manner; when the number is greater than 1, it is diagnosed as cluster mode, and the dispatch center sends the video conference data received this time to the cluster dispatch unit in a timely manner, turns on the one-to-one mode, performs optimized transcoding, and sends it to the receiving end for corresponding visualization. The cluster dispatch unit receives the video conference data sent by the dispatch center, turns on the one-to-group mode, performs optimized transcoding, and sends it to the receiving end for corresponding visualization. The receiving and sending center receives the optimized video conference data sent by the dispatch terminal. According to the data, corresponding identification is performed. If it is a newly built video conference, it is sent to the individual receiving unit and the cluster receiving unit after the identification is completed. If it is a deployed video conference, it is sent directly to the visualization unit after the identification is completed. The video conference data sent by the receiving and transmitting center is received by the individual receiving unit and the cluster receiving unit respectively. The above video conference data is synchronized and visualized through the visualization unit. The real-time synchronization unit and the real-time monitoring unit maintain real-time synchronization and monitoring processing to form a video conference transcoding and distribution cycle operation. The present invention constructs a complete system by setting a video conference control terminal, a scheduling terminal, a receiving and transmitting sub-end and a real-time synchronization port to access the video conference and convert it into video conference data, control, and apply And backup video conference data, corresponding identification is performed through the dispatching terminal, switching is performed through individual mode and cluster mode, synchronous visualization operation is performed through the receiving and sending end, real-time synchronization and real-time monitoring of comprehensive video conference data are performed through the real-time synchronization port, and the control instructions sent by the conference control terminal are correspondingly identified through the dispatching center. When the number is 1, it is diagnosed as individual mode. When the number is greater than 1, it is diagnosed as cluster mode, and corresponding switching is performed. The transcoded and distributed video conference data and the corresponding analysis results are managed, visualized and stored, which helps to realize video conference transcoding and distribution management through Internet cloud management and control, improve the intelligence level of transcoding and distribution management, and thus fully utilize terminal resources.

[0054] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A video conferencing transcoding and distribution system, characterized in that: The system includes a video conferencing control terminal, a scheduling terminal, a receiving terminal, and a real-time synchronization port. The video conferencing control terminal accesses the system by accessing the scheduling terminal to enter the receiving terminal. The real-time synchronization port maintains real-time data communication with the video conferencing control terminal, the scheduling terminal, and the receiving terminal through the Internet. The network transmission protocols supported by the system are one or more of TCP / IP, UDP, HTTP / HTTPS, RTP, and RTCP. The video conference control terminal is used to access the video conference and convert it into video conference data. The video conference control terminal is also used to control, apply and back up the video conference data; The dispatch terminal is used to receive the control instructions sent by the video conference control terminal, perform corresponding identification, and switch between single-soldier mode and cluster mode; The receiving sub-end is used for corresponding identification and synchronous visualization of the optimized video conference data sent by the scheduling terminal; The real-time synchronization port is used to synchronize and monitor the video conference data within the video conference control terminal, the scheduling terminal, and the receiving and sending sub-terminal in real time; The dispatch terminal includes a dispatch center, an individual dispatch unit and a cluster dispatch unit, wherein the output end of the dispatch center is communicatively connected to the input end of the individual dispatch unit, the output end of the dispatch center is communicatively connected to the input end of the cluster dispatch unit, and the output ends of the individual dispatch unit and the cluster dispatch unit are both communicatively connected to the input end of the receiving terminal; The dispatch center is used to receive the control instructions sent by the video conference control terminal and perform corresponding identification. When the number is 1, it is diagnosed as a single-soldier mode. The dispatch center sends the received video conference data to the single-soldier dispatch unit in a timely manner; When the number is greater than 1, it is diagnosed as cluster mode, and the scheduling center sends the received video conference data to the cluster scheduling unit in a timely manner; The individual soldier dispatching unit is used to receive the video conference data sent by the dispatching center, start the one-to-one mode, and perform optimization transcoding. The individual soldier dispatching unit is also used to send the optimized video conference data to the receiving end for corresponding visualization; The cluster scheduling unit is used to receive the video conferencing data sent by the scheduling center, start the one-to-group mode, and perform optimization transcoding. The cluster scheduling unit is also used to send the optimized video conferencing data to the receiving end for corresponding visualization.

2. The video conferencing transcoding and distribution system according to claim 1, characterized in that: The output end of the video conference control terminal is communicatively connected to the input end of the dispatch terminal, and the output end of the dispatch terminal is communicatively connected to the input end of the receiving terminal.

3. The video conferencing transcoding and distribution system according to claim 1, characterized in that: The video conferencing control terminal includes an access unit, a control unit, an application unit and a backup unit. The output end of the access unit is communicatively connected to the input end of the control unit, the output end of the control unit is communicatively connected to the input end of the application unit, the output end of the application unit is communicatively connected to the input end of the scheduling terminal, and the access unit, control unit and application unit are all bidirectionally communicatively connected to the backup unit.

4. The video conferencing transcoding and distribution system according to claim 3, characterized in that: The access unit is used to access the video conference that needs to be transcoded and distributed, access and convert it into data; The control unit is used to coordinate the video conference data that needs to be transcoded and distributed, manage user permissions, and access device resource management functions; The application unit is used to send video conference data to the scheduling terminal and provide interactive operations of the video conference data; The backup unit is used to back up video conferences and video conference data that need to be transcoded and distributed.

5. The video conferencing transcoding and distribution system according to claim 1, characterized in that: The receiving and transmitting sub-end includes a receiving and transmitting center, an individual receiving unit, a cluster receiving unit and a visualization unit. The output end of the receiving and transmitting center is communicatively connected to the input end of the individual receiving unit, the cluster receiving unit and the visualization unit. The output end of the individual receiving unit and the cluster receiving unit is communicatively connected to the input end of the visualization unit.

6. The video conferencing transcoding and distribution system according to claim 5, characterized in that: The receiving and transmitting center is used to receive the optimized video conference data sent by the scheduling terminal, perform corresponding identification, and send the data to the individual receiving unit and the cluster receiving unit respectively after identification if it is a newly-built video conference; if it is an already-deployed video conference, send the data directly to the visualization unit after identification; The individual soldier receiving unit is used to receive the video conference data sent by the receiving and transmitting center, and the individual soldier receiving unit is also used to send the video conference data to the inside of the visualization unit; The cluster receiving unit is used to receive the video conference data sent by the receiving and sending center, and the cluster receiving unit is also used to send the video conference data to the inside of the visualization unit; The visualization unit is used to receive the video conference data sent by the receiving and sending center, the individual receiving unit, and the cluster receiving unit respectively, and perform synchronous visualization.

7. The video conferencing transcoding and distribution system according to claim 1, characterized in that: The real-time synchronization port includes a real-time synchronization unit and a real-time monitoring unit. The output ends of the real-time synchronization unit and the real-time monitoring unit are both communicatively connected to the input end of the video conferencing control terminal. The output ends of the real-time synchronization unit and the real-time monitoring unit are both communicatively connected to the input end of the scheduling terminal. The output ends of the real-time synchronization unit and the real-time monitoring unit are both communicatively connected to the input end of the receiving terminal.

8. The video conferencing transcoding and distribution system according to claim 7, characterized in that: The real-time synchronization unit is used to synchronize the video conference data within the video conference control terminal, the scheduling terminal, and the receiving and sending sub-terminal in real time; The real-time monitoring unit is used to monitor the video conference data inside the video conference control terminal, the scheduling terminal, and the receiving and transmitting sub-end in real time, and to send a fault reminder to the receiving and transmitting sub-end in a timely manner when a fault occurs in any link.

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