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CN-121985093-A - Intelligent conference equipment cooperative control system based on high-definition signal linkage

CN121985093ACN 121985093 ACN121985093 ACN 121985093ACN-121985093-A

Abstract

The invention relates to the technical field of conference equipment control, in particular to an intelligent conference equipment cooperative control system based on high-definition signal linkage. The intelligent coordinated scheduling system comprises a high-definition signal acquisition and processing unit, a high-definition signal linkage transmission unit, an intelligent equipment linkage control unit and an intelligent coordinated scheduling unit. According to the method, four core parameters including color gamut coverage, high-frequency detail retention rate, transmission delay normalization value and protocol compatibility are extracted by executing protocol feature detection on the multi-brand conference terminal, a protocol capability feature vector is generated, a knowledge base is constructed according to the terminal model, and three types of key areas in a high-definition video signal are identified and output priority. Based on the information, a 3 multiplied by 4 content-protocol adaptation degree matrix is constructed, and a differential conversion parameter compression ratio is generated, so that high-definition signals are matched with transmission rendering capacities and conference content characteristics of different terminals, and the problem of insufficient accuracy of multi-brand terminals and high-definition signals is solved.

Inventors

  • LIU GUOXI

Assignees

  • 北京新科百惟科技有限公司

Dates

Publication Date
20260505
Application Date
20260209

Claims (10)

  1. 1. Intelligent conference equipment cooperative control system based on high definition signal linkage, characterized by comprising: The high-definition signal acquisition and processing unit (1), the high-definition signal acquisition and processing unit (1) acquires conference audio and video signals through a high-definition camera and a microphone array, optimizes the conference audio and video signals by adopting a 4K coding and noise reduction technology, synchronously marks initial characteristics of key areas of content, outputs standardized high-definition linkage signals adapting to subsequent transmission processing, and directly inputs the standardized high-definition linkage signals to the high-definition signal linkage transmission unit (2); The system comprises a high-definition signal linkage transmission unit (2), a receiving end feedback channel, a transmitting end linkage transmission unit (2), an intelligent device linkage control unit (3) and a content linkage transmission unit (2), wherein the high-definition signal linkage transmission unit (2) is connected with a multi-brand conference terminal through a physical interface, transmits a test signal to an access device when performing protocol feature detection, generates a protocol capability feature vector according to device rendering response and stores the protocol capability feature vector into a protocol capability knowledge base; The intelligent equipment linkage control unit (3), the intelligent equipment linkage control unit (3) is used for butting the projection display equipment, the audio frequency sound amplifying equipment and the conference interaction terminal based on an Internet of things communication protocol, the intelligent equipment linkage control unit (3) is used for receiving the high-definition signals after adaptation output by the high-definition signal linkage transmission unit (2), triggering equipment linkage instructions, executing synchronous start-stop, parameter matching and semantic linkage response operations of the projection display equipment, the audio frequency sound amplifying equipment and the conference interaction terminal, and the intelligent equipment linkage control unit (3) is used for synchronously transmitting the running states of the projection display equipment, the audio frequency sound amplifying equipment and the conference interaction terminal to the high-definition signal linkage transmission unit (2); The intelligent cooperative scheduling unit (4) is used for collecting conference scene data and equipment running state data in real time, and the intelligent cooperative scheduling unit (4) is used for calling the adaptive high-definition signals output by the high-definition signal linkage transmission unit (2) and dynamically adjusting the allocation strategy of the standardized high-definition linkage signals and the working modes of projection display equipment, audio sound amplifying equipment and conference interaction terminals.
  2. 2. The intelligent conference equipment cooperative control system based on high-definition signal linkage according to claim 1, wherein the high-definition signal acquisition and processing unit (1) comprises a signal acquisition module (11), a signal optimization processing module (12), a feature marking module (13) and a signal transmission module (14), wherein: The signal acquisition module (11) acquires conference audio and video signals through a high-definition camera and a microphone array; The signal optimizing processing module (12) receives the conference audio and video signals output by the signal acquisition module (11), and optimizes the conference audio and video signals by adopting a 4K coding and noise reduction technology; the feature marking module (13) receives the optimized conference audio and video signals output by the signal optimizing processing module (12), and marks the initial features of the key areas of the content synchronously; The signal transmission module (14) receives the audio and video signals with the initial characteristic conference output by the characteristic marking module (13), generates standardized high-definition linkage signals adapting to subsequent transmission processing, and directly inputs the standardized high-definition linkage signals to the high-definition signal linkage transmission unit (2).
  3. 3. The intelligent conference equipment cooperative control system based on high-definition signal linkage according to claim 2, wherein the high-definition signal linkage transmission unit (2) comprises a protocol detection and knowledge base construction module (21), a signal receiving and key region identification module (22), an adaptation degree calculation and parameter generation module (23), a feedback adjustment and knowledge base updating module (24) and a signal output module (25), wherein: the protocol detection and knowledge base construction module (21) is connected with the multi-brand conference terminal through a physical interface, performs protocol feature detection and generates a protocol capability feature vector Storing the data into a protocol capability knowledge base; the signal receiving and key area identifying module (22) receives a standardized high-definition linkage signal input by the high-definition signal collecting and processing unit (1) so as to Performing content key region identification for the reference data; the adaptation degree calculation and parameter generation module (23) calls a protocol capability knowledge base to construct a content-protocol adaptation degree matrix Generating differential conversion parameter compression ratio based on the above And the content key area recognition result is used as a parameter generation basis; the feedback adjustment and knowledge base updating module (24) obtains the display quality index through a receiving end feedback channel and calculates the parameter adjustment amount Correction of And updates the protocol capability knowledge base ; The signal output module (25) transmits the high-definition signal after adaptation to the intelligent equipment linkage control unit (3), and synchronously feeds back transmission data to the feedback adjustment and knowledge base updating module (24).
  4. 4. A high definition signal linkage based intelligent conference equipment cooperative control system according to claim 3, wherein the protocol detection and knowledge base construction module (21) generates a protocol capability feature vector And the process of storing the protocol capability knowledge base comprises the following steps: S21.1, a gray level test signal and a Rec.2020 standard color card test signal are sent to an accessed multi-brand conference terminal, and rendering response data of the terminal are collected; S21.2, extracting terminal rendering color gamut coverage High frequency detail retention rate Normalized value of transmission delay Protocol compatibility Four core parameters; s21.3, integrating the four parameters according to preset weight weights to generate a protocol capability feature vector , Covering terminal signal transmission and rendering core capability attributes; s21.4, will And the method is classified according to the types of the multi-brand conference terminals and stored in a protocol capability knowledge base to serve as a core calculation reference of a signal receiving and key region identification module (22) and an adaptation degree calculation and parameter generation module (23).
  5. 5. The intelligent conference equipment cooperative control system based on high definition signal linkage according to claim 4, wherein the process of identifying a content key area and outputting characteristic data by the signal receiving and key area identifying module (22) comprises the steps of: S22.1, performing frame synchronization calibration on the received standardized high-definition linkage signal, and correcting time sequence deviation; S22.2, calling protocol Capacity feature vector Extracting 、 As an identification reference parameter; s22.3 by calculating the inter-frame pixel rate of change Locating dynamic writing area and setting threshold value Judging that the dynamic writing area exceeds a threshold value; S22.4, combination of Locating conference speaker face areas, combined Positioning the text dense region, and respectively adjusting the recognition precision of the two types of regions; S22.5, outputting the position coordinates and signal priority data of each content key area, and constructing a content-protocol adaptation degree matrix for the adaptation degree calculation and parameter generation module (23) Providing a basis.
  6. 6. The intelligent conference equipment cooperative control system based on high-definition signal linkage according to claim 5, wherein the adaptation degree calculation and parameter generation module (23) is constructed by And generate The process of (1) comprises the following steps: s23.1, constructing 3×4-order content-protocol adaptation degree matrix The row dimension is three types of content key areas, and the column dimension is Four core parameters of (2); S23.2, calculating based on the region priority weight, the parameter weight and the region-parameter matching coefficient The adaptation degree value of each element in the list is normalized; s23.3 according to Determining differential conversion parameter compression ratio according to grading rule Different adaptation levels correspond to different A precise adaptation of the content to the terminal protocol is formed.
  7. 7. The intelligent conference equipment cooperative control system based on high definition signal linkage according to claim 6, wherein the feedback adjustment and knowledge base update module (24) calculates And correct The process of updating the knowledge base comprises the following steps: S24.1, acquiring a display quality index of the receiving end, and calculating the comprehensive deviation rate based on the index , Quantifying the deviation degree of the transmission quality and the reference value; S24.2 according to And The difference between the reference value and the actual measurement value, and the parameter adjustment amount is calculated ; S24.3 based on Correcting compression ratio Synchronous updating protocol capability feature vector Covering the original data in the knowledge base to realize Is a closed loop of the algorithm.
  8. 8. The intelligent conference equipment cooperative control system based on high definition signal linkage according to claim 7, wherein the signal output module (25) comprises a signal format encapsulation sub-module, a signal transmission sub-module, and a transmission status return sub-module, wherein: The signal format packaging sub-module is used for performing the processing according to the physical interface protocol of the intelligent equipment linkage control unit (3) Performing frame format encapsulation on the converted signal; The signal transmission sub-module transmits the high-definition signal after the adaptation to the intelligent equipment linkage control unit (3) through a physical interface, and synchronously records the signal sending time and the transmission time consumption; the transmission state feedback sub-module feeds back the signal transmission state and the actually measured transmission delay data to a feedback adjustment and knowledge base updating module (24) as calculation And Is a supplementary basis for (a) in the above.
  9. 9. The intelligent conference equipment cooperative control system based on high-definition signal linkage according to claim 8, wherein the intelligent equipment cooperative control unit (3) comprises an equipment protocol docking module (31), a linkage signal analysis module (32), an equipment linkage execution module (33) and an operation state acquisition and feedback module (34), wherein: the equipment protocol docking module (31) is used for docking the projection display equipment, the audio frequency sound amplifying equipment and the conference interaction terminal based on the Internet of things communication protocol; the linkage signal analysis module (32) receives the adaptive high-definition signal output by the high-definition signal linkage transmission unit (2) and triggers an equipment linkage instruction; The equipment linkage execution module (33) executes synchronous start-stop, parameter matching and semantic linkage response operations of the projection display equipment, the audio frequency sound amplifying equipment and the conference interaction terminal; the running state acquisition and return module (34) acquires the running states of the projection display equipment, the audio frequency sound expansion equipment and the conference interaction terminal and synchronously transmits the running states to the high-definition signal linkage transmission unit (2).
  10. 10. The intelligent conference equipment cooperative control system based on high definition signal linkage according to claim 9, wherein the intelligent cooperative scheduling unit (4) comprises a data acquisition module (41), a signal calling module (42) and a scheduling adjustment module (43), wherein: the data acquisition module (41) acquires conference scene data and equipment running state data in real time; The signal calling module (42) calls the adaptive high-definition signal output by the high-definition signal linkage transmission unit (2); the dispatching adjustment module (43) dynamically adjusts the allocation strategy of the standardized high-definition linkage signal and the working modes of the projection display equipment, the audio frequency sound amplifying equipment and the conference interaction terminal.

Description

Intelligent conference equipment cooperative control system based on high-definition signal linkage Technical Field The invention relates to the technical field of conference equipment control, in particular to an intelligent conference equipment cooperative control system based on high-definition signal linkage. Background With the large-scale application of intelligent conference scenes, high-definition audio and video interaction and multi-device collaborative linkage become core requirements for improving conference efficiency. The current conference system generally relates to heterogeneous devices such as high-definition cameras, multi-brand conference terminals, projection display devices, audio frequency sound-amplifying devices and the like, and needs to realize full-link coordination of audio and video signals acquisition, transmission and adaptation and device linkage. However, the problems of protocol standard difference of different brands of equipment, insufficient suitability of high-definition signal transmission and the like cause frequent phenomena of signal transmission distortion, equipment linkage response lag, difficult multi-terminal compatibility and the like, and seriously affect conference experience. In the prior art, related patents have been explored in the field of conference equipment control and collaborative scheduling. The invention patent CN202510629218.1 discloses a control method, a device and equipment for intelligent conference equipment based on the Internet of things, wherein the control method comprises the steps of acquiring real-time state data of conference equipment with at least two different protocol formats, preprocessing to obtain target characteristic data, converting the target characteristic data into preset protocol data through an intermediate conversion piece protocol, and generating a scheduling control instruction according to conference requirements to control the target conference equipment, so that equipment resource scheduling can be optimized, and conference efficiency can be improved. As another example, patent CN202410130994.2 discloses a method, device and system for conference control, where the method applied to the conference control device includes receiving control operation information for a target conference device, determining target ultrasonic carrier information for distinguishing a controlled object, encoding the control operation information to obtain an ultrasonic carrier control signal, and sending the ultrasonic carrier control signal to the target conference device through an audio module, where no additional wireless communication channel is required, and short-distance transmission is efficient, so that directional control can be implemented and interference is avoided. The technical scheme has the technical defects that firstly, the adaptation accuracy of a multi-brand terminal and high-definition signals is insufficient, the invention patent CN202510629218.1 is only used for completing protocol conversion of a fixed format through an intermediate conversion piece, the core logic is focused on unified processing and scheduling instruction generation of equipment state data, inherent differences of different brands of conference terminals in terms of hardware performances such as color gamut coverage, detail reservation and transmission delay are not considered, meanwhile, signal optimization is not carried out without combining key content characteristics such as dynamic writing, speaker face, text concentration and the like in conference audio and video, so that the high-definition signals are low in resource utilization rate on high-performance terminals, distortion is displayed or transmission is blocked on low-performance terminals, accurate matching of the signals and terminal capability cannot be achieved, secondly, the invention patent CN202410130994.2 is only used for achieving full-link adaptation of high-definition audio and video transmission and multi-equipment cooperation, the invention patent CN202410130994.2 is only used for achieving directional transmission and anti-interference design of ultrasonic control signals, full-cooperation logic of the high-definition audio and video signals from acquisition, optimization and transmission to equipment is not used for establishing a real-time interactive quality adjustment scheme based on the real-time interaction requirements of the intelligent conference signals, and real-time interaction quality linkage operation requirements cannot be achieved, and real-time interaction requirements of the real-time requirements of the intelligent conference communication quality requirements cannot be achieved. In view of the above, we propose an intelligent conference device cooperative control system based on high-definition signal linkage. Disclosure of Invention The invention aims to provide an intelligent conference equipment cooperative control system based on high-defin