A switching method for a mobile audio and video scheduling terminal

Abstract

The present invention relates to the field of image communication technology, and specifically discloses a switching method for a mobile audio-video dispatching terminal. The method includes: server status matching, audio-video terminal switching, and switching status optimization. First, evaluate the usage status index of the audio-video terminals of each terminal user and the abnormal maintenance index of each audio-video terminal, match the audio-video terminal status of each terminal user, and implement the switching of the audio-video terminals of the terminal user by an audio-video terminal switcher, which greatly improves the efficiency of the terminal switching operation. Finally, optimize the switching status of the mobile audio-video dispatching terminal, reduce the switching waiting time, reduce the possibility of audio-video signal interruption, improve the usage experience of the terminal user, and at the same time optimize the switching status to ensure the stable switching of audio and video.

Description

Technical Field

[0001] The present invention relates to the technical field of image communication, and particularly to a switching method for a mobile audio-visual dispatching terminal. Background Art

[0002] In the current switching technical solution of the dispatching terminal, during the switching of the terminal, the mobile device will communicate with two or more servers simultaneously, which will cause additional server resources to be occupied, reducing the resource utilization rate of the server. At the same time, the process of terminal switching is relatively complex because it needs to coordinate and manage communication among multiple servers, which may lead to an increase in delay during the switching process and an increase in the possibility of errors. At the same time, when coordinating and managing communication among multiple servers, it may increase the interference of external signals, resulting in a decline in switching performance.

[0003] For example, in the invention patent with the publication number CN106470326B, the above application discloses a terminal switching method for audio-visual communication, including: the cloud server determines whether each account needs to perform call forwarding according to the parameter information uploaded by each terminal under the same account; when there is an account that needs to perform call forwarding, select a terminal to be called according to the parameter information and / or preset information; transfer the communication data corresponding to the current called terminal to the terminal to be called. The present invention also discloses a terminal switching device for audio-visual communication; the above application realizes the automatic switching of the terminal according to the change of the user's scene in audio-visual communication.

[0004] For example, in the invention patent with the publication number CN111147793B, the above application embodiment provides a switching method, system, electronic device and computer-readable storage medium for a speaking terminal. The method is applied to the visual networking. The method includes: during the development of a visual networking conference, receive a speaking request sent by a visual networking terminal; determine whether there is an available terminal access interface in the speaking area corresponding to the visual networking conference; when there is the available terminal access interface in the speaking area, connect the visual networking terminal to the available terminal access interface in the speaking area, so that the speaking visual networking terminal can be accurately and reliably switched directly through the visual networking scheduling software, enriching the speaking scenarios of the visual networking conference, avoiding relying on the human eye to capture the video or the live conference scene, improving the efficiency of the visual networking conference, and improving the user experience.

[0005] Combined with the above technical solutions, it is found that with the development of multimedia communication technology and the diversification of mobile terminals, more switching technical solutions for dispatching terminals with good reliability and high accuracy are needed. However, in the switching solutions of mobile audio and video dispatching terminals, in most cases, only whether a communication connection has been successfully established between multiple communication servers during the process of dispatching the terminal is considered, which fails to guarantee the communication connection quality and switching accuracy, resulting in the inability to accurately switch the dispatching terminal. Therefore, a more reliable and accurate switching solution for mobile audio and video dispatching terminals is needed. Summary of the Invention

[0006] Aiming at the deficiencies of the prior art, the present invention provides a switching method for a mobile audio and video dispatching terminal, which can effectively solve the problems involved in the above background technology.

[0007] To achieve the above objectives, the present invention is realized through the following technical solutions: A switching method for a mobile audio and video dispatching terminal includes: Server status matching: Obtain the audio and video terminal usage status information of each terminal user and the abnormal information of each audio and video terminal, respectively evaluate the audio and video terminal usage status index of each terminal user and the abnormal maintenance index of each audio and video terminal, and thus match the audio and video terminal status of each terminal user; Audio and video terminal switching: If the connection status between the dispatching server and the audio and video terminal of the terminal user is an interrupted connection status, the audio and video terminal status of the terminal user is switched to the server non-existence status. If the connection status between the dispatching server and the audio and video terminal of the terminal user is a continuous connection status, the audio and video terminal status of the terminal user is switched to the server existence status, so as to realize the switching situation of the audio and video terminal status; Switching status optimization: Through the switching situation of the audio and video terminal status, obtain the switching information of the terminal user's audio and video terminal, and determine the switching quality index of the audio and video terminal switcher, so as to optimize the switching status of the mobile audio and video dispatching terminal.

[0008] As a further method, the optimization of the switching status of the mobile audio and video dispatching terminal is specifically analyzed as follows: Compare the switching quality index of the audio and video terminal switcher with a preset quality index threshold. If the switching quality index of the audio and video terminal switcher is greater than or equal to the quality index threshold, there is no need to optimize the switching status of the mobile audio and video dispatching terminal; If the switching quality index of the audio and video terminal switcher is less than the quality index threshold, perform a difference process on the switching quality index of the audio and video terminal switcher and the quality index threshold to obtain the switching quality deviation value of the audio and video terminal switcher, and match it with the switching optimization plan corresponding to each switching quality deviation value interval to obtain the switching optimization plan of the audio and video terminal switcher, so as to optimize the switching status of the mobile audio and video dispatching terminal.

[0009] As a further method, the specific analysis process of the switching quality index of the audio-video terminal switch is as follows: according to the switching information of the audio-video terminals of the end-users, the single-switch duration, the number of successful switches, and the number of lost transmission data packets within the switching cycle of the audio-video terminal switch are extracted; the number of successful switches of the audio-video terminal switch is divided by the total number of switches of the audio-video terminal switch obtained to get the switching success rate of the audio-video terminal switch; the number of lost transmission data packets within the switching cycle of the audio-video terminal switch is divided by the total number of transmission data packets within the switching cycle of the audio-video terminal switch obtained to get the data packet transmission loss rate of the audio-video terminal switch; the single-switch defined duration, the defined success rate, and the defined loss rate are extracted from the terminal switching management library, and the switching quality index of the audio-video terminal switch is obtained through comprehensive processing.

[0010] As a further method, the specific analysis process of the switching situation of the audio-video terminal state is as follows: according to the audio-video terminal states of each end-user, where the audio-video terminal state includes the state of being stored in the server and the state of not existing in the server; if the connection state between the scheduling server and the audio-video terminal of this end-user is an interrupted connection state, then the audio-video terminal state of this end-user is switched to the state of not existing in the server, and if the connection state between the scheduling server and the audio-video terminal of this end-user is a continuous connection state, then the audio-video terminal state of this end-user is switched to the state of being stored in the server, so as to realize the switching situation of the audio-video terminal state.

[0011] As a further method, the specific matching process of the audio-video terminal states of each end-user is as follows: the audio-video terminal usage status indexes of each end-user and the abnormal maintenance indexes of each audio-video terminal are used as the input mapping set of the end-to-end matching model, and through the matching function of the end-to-end matching model, the output mapping set result of the end-to-end matching model is obtained, which is recorded as the audio-video terminal states of each end-user.

[0012] As a further method, the process of specifically analyzing the audio and video terminal usage status index of each end user is as follows: According to the audio and video terminal usage status information of each end user, the audio and video terminal attribute information of each end user and the time required for the light sensor in the audio and video terminal to complete one sensing operation are extracted, and recorded as the light response duration of the audio and video terminal of each end user; The light response durations corresponding to each sensing operation of the light sensor within the terminal management period are added together to obtain the total light response duration of the audio and video terminal of each end user, and a ratio process is performed with the light response duration of the audio and video terminal of each end user to integrally obtain the photosensitivity of the audio and video terminal of each end user, which is multiplied by the correction factor corresponding to the photosensitivity defined in the terminal switching management library to obtain the photosensitivity influence index of the audio and video terminal of each end user, and the audio and video terminal usage status index of each end user is obtained through comprehensive analysis with the audio and video terminal attribute influence degree coefficient of each end user.

[0013] As a further method, the process of specifically analyzing the abnormal maintenance index of each audio and video terminal is as follows: According to the abnormal information of each audio and video terminal, the voltage values of each audio and video terminal at each terminal monitoring time point are extracted to construct a voltage change scatter plot of each audio and video terminal, and the total number of monitoring time points corresponding to the voltage values below the set lower voltage threshold and above the upper voltage threshold is extracted from the voltage change scatter plot, and thus the voltage abnormal times of each audio and video terminal are statistically obtained; The total signal strength value and the total temperature value of each audio and video terminal within the terminal monitoring period are obtained, and ratio processes are respectively performed with the duration corresponding to the terminal monitoring period to obtain the average signal strength of each audio and video terminal within the terminal monitoring period and the average temperature of each audio and video terminal within the terminal monitoring period; The influence factor corresponding to a single voltage abnormality, the defined signal strength, and the temperature reference value are extracted from the terminal switching management library, and thus the abnormal maintenance index of each audio and video terminal is obtained through comprehensive processing.

[0014] Compared with the prior art, the embodiments of the present invention at least have the following advantages or beneficial effects:

[0015] (1) By providing a switching method for a mobile audio and video scheduling terminal, the present invention first evaluates the audio and video terminal usage status index of each end user and the abnormal maintenance index of each audio and video terminal, matches the audio and video terminal status of each end user, and the audio and video terminal switcher realizes the switching of the audio and video terminals of the end users, without the need to manually switch the terminals one by one, greatly improving the efficiency of the terminal switching operation. Finally, the switching status of the mobile audio and video scheduling terminal is optimized, reducing the switching waiting time, reducing the possibility of audio and video signal interruption, enhancing the usage experience of the end users, and at the same time optimizing the switching status to ensure the stable and safe broadcast of audio and video.

[0016] (2) By obtaining the usage status information of the audio-video terminals of each end-user and the abnormal information of the audio-video terminals, the invention respectively evaluates the usage status index of the audio-video terminals of each end-user and the abnormal maintenance index of each audio-video terminal. By analyzing the usage status index of the audio-video terminals of each end-user, the satisfaction and actual needs of users for the audio-video terminals can be understood, so as to optimize the service quality and user experience targeted; the abnormal maintenance index can reflect the stability and failure rate of the audio-video terminals. By analyzing these indexes, potential faults can be discovered and repaired in time, and the reliability of terminal switching can be improved.

[0017] (3) By obtaining the switching information of the audio-video terminals of the end-users and determining the switching quality index of the audio-video terminal switcher, the invention can ensure that the audio-video signal remains stable during the switching process, reduce signal loss and interference, so as to ensure that the audio-video signal still maintains high quality after switching, such as clear images and pure sounds. In addition, selecting an audio-video terminal switcher with excellent performance can reduce switching faults and downtime, and improve the stability of terminal switching. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation to the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to the following drawings without creative efforts.

[0019] Figure 1 It is a schematic flowchart of the method of the present invention.

[0020] Figure 2 It is a scatter diagram of voltage change related to the present invention.

[0021] As shown in the drawings: 1. Upper voltage threshold line; 2. Lower voltage threshold line. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0023] Referring to Figure 1 As shown, the present invention provides a switching method for a mobile audio-video dispatching terminal, including: Server status matching: Obtaining the usage status information of the audio-video terminals of each end-user and the abnormal information of each audio-video terminal, and respectively evaluating the usage status index of the audio-video terminals of each end-user and the abnormal maintenance index of each audio-video terminal, so as to match the audio-video terminal status of each end-user.

[0024] Specifically, the process of specifically analyzing the influence degree coefficient of the audio-visual terminal attributes of each end user is as follows:

[0025] According to the audio-visual terminal usage status information of each end user, the audio-visual terminal attribute information of each end user is extracted.

[0026] According to the audio-visual terminal attribute information of each end user, the decibel values of the audio-visual terminals of each end user at each terminal management time point are obtained. Each terminal management time point is obtained by dividing the terminal management cycle, and the determination of the terminal management cycle is comprehensively obtained by the dispatcher according to factors such as the attributes and status of the terminal; the decibel value can be obtained by a sound level meter, which is an instrument specifically used to measure the decibel level of sound, and they are arranged in ascending order. The decibel value ranked first is recorded as the decibel peak value of the audio-visual terminal of each end user.

[0027] Obtain the output power of the audio-visual terminal of each end user at the terminal management time point corresponding to the decibel peak value. The acquisition of the output power can be obtained by measuring the voltage value and current value of the audio-visual terminal of each end user at the terminal management time point corresponding to the decibel peak value by a rheostat and a voltmeter, and then calculated by the power formula, multiplying the current value by the voltage value, and recorded as the maximum instantaneous power of the audio-visual terminal of each end user.

[0028] Extract the decibel definition peak value and the definition power from the terminal switching management library.

[0029] The data stored in the above terminal switching management library is obtained by fitting according to the statistical switching information of the audio-visual terminal multiple times. For example, the definition power is obtained by obtaining the maximum instantaneous power of the audio-visual terminal of the end user multiple times, and the output power determined by the dispatcher to meet the switching standard of the audio-visual terminal is averaged as the definition power. In this way, the values in the terminal switching management library are obtained, and the values will vary due to the different attributes, status, and usage environments of the audio-visual terminal. This embodiment does not make special limitations on this.

[0030] Perform a ratio process on the decibel peak value of the audio-visual terminal of each end user and the decibel definition peak value to obtain the decibel influence index of the audio-visual terminal of each end user; perform a ratio process on the maximum instantaneous power of the audio-visual terminal of each end user and the definition power to obtain the output power influence index of the audio-visual terminal of each end user.

[0031] Add the decibel influence index of the audio-visual terminal of each end user and the output power influence index of the audio-visual terminal of each end user to obtain the influence degree coefficient S of the audio-visual terminal attributes of each end user i .

[0032] There is an inverse relationship between the decibel peak values of the above-mentioned audio and video terminals of each end-user and the maximum instantaneous power of the audio and video terminals of each end-user, and the influence degree coefficients of the audio and video terminal attributes of each end-user.

[0033] Furthermore, the specific analysis process of the usage status index of the audio and video terminals of each end-user is as follows:

[0034] According to the audio and video terminal attribute information of each end-user, the time required for the light sensor in the audio and video terminal to complete one sensing operation is extracted and recorded as the light response duration of the audio and video terminals of each end-user.

[0035] The time required for the above-mentioned sensing operation is specifically: the duration from the time point when the light sensor starts to sense the light change to the time point when the change signal is output.

[0036] Add up the light response durations corresponding to each sensing operation of the light sensor within the terminal management cycle to obtain the total light response duration of the audio and video terminals of each end-user. Perform a ratio process with the light response duration of the audio and video terminals of each end-user to obtain the photosensitivity of the audio and video terminals of each end-user, and multiply it by the correction factor corresponding to the photosensitivity defined in the terminal switching management library to obtain the photosensitivity influence index G of the audio and video terminals of each end-user i 。

[0037] The value range of the correction factor corresponding to the above-mentioned photosensitivity is from 0.55 to 0.61.

[0038] There is a positive correlation between the light response duration of the audio and video terminals of each end-user and the photosensitivity influence index of the audio and video terminals of each end-user.

[0039] Comprehensively analyze the usage status index of the audio and video terminals of each end-user. In this embodiment, it is comprehensively analyzed through the influence degree coefficient of the audio and video terminal attributes of each end-user and the photosensitivity influence index of the audio and video terminals of each end-user. Therefore, in order to determine the usage status index of the audio and video terminals of each end-user, a more accurate calculation method is adopted in this embodiment to obtain it, and the specific expression is:

[0040]

[0041] Where δ iDenoted as the audio - video terminal usage status index of the \(i\) - th end - user. In this embodiment, when the influence degree coefficient of the audio - video terminal attributes of each end - user and the photosensitive influence index increase, it means that the usage status of the audio - video terminals of each end - user is relatively unstable, and the usage status index decreases accordingly, resulting in the switching quality of the audio - video terminals being affected. Therefore, this expression is simplified to weaken the negative impact brought by the increase of the influence degree coefficient of the audio - video terminal attributes of each end - user and the photosensitive influence index, and enhance the usage stability of the audio - video terminals.

[0042] \(i\) represents the number of each end - user, \(i = 1,2,3,\cdots,m\), and \(m\) represents the total number of end - users.

[0043] S i Denoted as the influence degree coefficient of the audio - video terminal attributes of the \(i\) - th end - user, which is obtained by comprehensively processing the decibel peak value of the audio - video terminal of each end - user and the maximum instantaneous power of the audio - video terminal of each end - user to get the value of the influence degree of the audio - video terminal attributes of each end - user.

[0044] G i Denoted as the photosensitive influence index of the audio - video terminal of the \(i\) - th end - user, which is obtained by comprehensively processing the total light response duration of the audio - video terminal within the terminal management cycle by the light sensor and the light response duration of the audio - video terminal of each end - user to get the photosensitive influence index of the audio - video terminal of each end - user.

[0045] \(a_1\) represents the weight factor corresponding to the predefined influence degree coefficient of the audio - video terminal attributes, and \(a_2\) represents the weight factor corresponding to the predefined photosensitive influence index. Among them, the weight factor corresponding to the influence degree coefficient of the audio - video terminal attributes and the weight factor corresponding to the photosensitive influence index are both obtained by collecting different evaluation factors regarding the audio - video terminal attributes and photosensitive influence, assigning an initial weight value to each evaluation factor, performing factor analysis on each evaluation factor, and calculating the weights of each evaluation factor, so as to obtain the weight factors corresponding to the audio - video terminal attributes and photosensitive influence. \(e\) is the natural constant.

[0046] In this embodiment, the value range of the weight factor corresponding to the influence degree coefficient of the audio - video terminal attributes is from 0.61 to 0.71, and the weight factor corresponding to the influence degree coefficient of the audio - video terminal attributes is set to 0.67. The value range of the weight factor corresponding to the photosensitive influence index is from 0.65 to 0.72, and the weight factor corresponding to the photosensitive influence index is set to 0.71.

[0047] In this embodiment, the audio - video terminal usage status index of each above - mentioned end - user is shown in Table 1 as follows:

[0048] Table 1 Numerical change table between the audio - video terminal usage status index of each end - user and its corresponding parameters

[0049]

[0050] In this embodiment, according to the table of the audio - video terminal usage status index of each end - user above, it can be known that when the influence degree coefficient of the audio - video terminal attributes of each end - user and the photosensitivity influence index of the audio - video terminal of each end - user decrease, the audio - video terminal usage status index of each end - user shows an upward trend. Thus, it can be seen that there is an inverse correlation between the influence degree coefficient of the audio - video terminal attributes of each end - user and the photosensitivity influence index of the audio - video terminal of each end - user, and the audio - video terminal usage status index of each end - user. Therefore, if we want to improve the audio - video terminal usage status index of each end - user, we need to take necessary measures for the audio - video terminal attributes and the photosensitivity influence to reduce the negative impacts they bring.

[0051] Specifically, the abnormal maintenance index of each audio - video terminal, the specific analysis process is as follows:

[0052] According to the abnormal information of each audio - video terminal, the voltage values of each audio - video terminal at each terminal monitoring time point are extracted. Each terminal monitoring time point is obtained by dividing the terminal monitoring period, and the determination of the terminal monitoring period is comprehensively obtained by the monitoring personnel according to factors such as the usage status and abnormal status of the audio - video terminal; the voltage value can be directly measured by a voltmeter, and thus a voltage change scatter plot of each audio - video terminal is constructed. The total number of monitoring time points corresponding to the voltage values below the set lower voltage threshold and above the upper voltage threshold is extracted from the voltage change scatter plot, and thus the voltage abnormal times of each audio - video terminal are counted.

[0053] According to the voltage values of each audio - video terminal at each terminal monitoring time point, a voltage change scatter plot of each audio - video terminal is constructed, as Figure 2 shown. The abscissa of the voltage change scatter plot is the terminal monitoring time point, with the unit of seconds, and the ordinate is the voltage, with the unit of amperes.

[0054] According to the voltage change scatter plot, a lower - voltage - threshold straight line and an upper - voltage - threshold straight line are located therein, and the total number of monitoring time points corresponding to the voltage values below the lower - voltage - threshold straight line 2 and above the upper - voltage - threshold straight line 1 is extracted, and thus the voltage abnormal times of each audio - video terminal are counted.

[0055] Obtain the total signal strength value and total temperature value of each audio-video terminal within the terminal monitoring period. The temperature value can be directly measured by a thermometer, and the signal strength can be measured by a signal strength tester. The signal strength tester is a dedicated device for measuring and displaying signal strength. Perform ratio processing with the corresponding duration of the terminal monitoring period respectively to obtain the average signal strength of each audio-video terminal within the terminal monitoring period and the average temperature of each audio-video terminal within the terminal monitoring period.

[0056] Extract the influencing factors, defined signal strength, and temperature reference value corresponding to a single voltage anomaly from the terminal switching management library, and thus comprehensively process to obtain the abnormal maintenance index of each audio-video terminal.

[0057] Specifically, the abnormal maintenance index of each audio-video terminal, in this embodiment, is obtained through comprehensive analysis of the number of voltage anomalies of each audio-video terminal, the average signal strength of each audio-video terminal within the terminal monitoring period, and the average temperature of each audio-video terminal within the terminal monitoring period, so as to be used to determine the abnormal maintenance index of each audio-video terminal. In this embodiment, a more accurate calculation method is adopted for obtaining. The specific analysis process is as follows:

[0058] Multiply the number of voltage anomalies of each audio-video terminal by the influencing factor corresponding to a single voltage anomaly to obtain the voltage anomaly influence index of each audio-video terminal;

[0059] Perform ratio processing on the average signal strength of each audio-video terminal within the terminal monitoring period and the defined signal strength to obtain the signal strength influence index of each audio-video terminal within the terminal monitoring period;

[0060] Perform ratio processing on the average temperature of each audio-video terminal within the terminal monitoring period and the temperature reference value to obtain the temperature influence index of each audio-video terminal within the terminal monitoring period;

[0061] Add the voltage anomaly influence index of each audio-video terminal, the signal strength influence index of each audio-video terminal within the terminal monitoring period, and the temperature influence index of each audio-video terminal within the terminal monitoring period to obtain the abnormal maintenance index of each audio-video terminal.

[0062] The correction factor corresponding to the above signal strength and the correction factor corresponding to the temperature are both obtained by acquiring different signal strengths and temperatures, analyzing the performance changes of the audio-visual terminal under different signal strengths and temperatures, establishing a mathematical model between the signal strength, temperature and performance parameters based on the data analysis results, and calculating the corresponding correction factor based on the mathematical model; in this embodiment, the value range of the influence factor corresponding to a single voltage anomaly is from 0.39 to 0.45, the value range of the correction factor corresponding to the signal strength is from 0.41 to 0.52, the value range of the correction factor corresponding to the temperature is from 0.47 to 0.56, and e is the natural constant.

[0063] Further, the matching of the audio-visual terminal states of each terminal user is specifically as follows:

[0064] Take the audio-visual terminal usage status index of each terminal user and the abnormal maintenance index of each audio-visual terminal as the input mapping set of the end-to-end matching model. The end-to-end matching model is a deep learning model that directly maps input data to output prediction results. Its main role in this embodiment is to capture the internal features of the data in the input mapping set and send them to one or more specific matching layers for further feature integration and matching, that is, through the matching function of the end-to-end matching model, obtain the output mapping set result of the end-to-end matching model, and record it as the audio-visual terminal state of each terminal user.

[0065] In this embodiment, the above end-to-end matching model reduces the intermediate processing steps, reduces the complexity of the model and the possibility of error accumulation, and improves the accuracy of the output mapping set.

[0066] Audio-visual terminal switching: If the connection status between the scheduling server and the audio-visual terminal of the terminal user is an interrupted connection status, the audio-visual terminal state of the terminal user is switched to the server-nonexistent state; if the connection status between the scheduling server and the audio-visual terminal of the terminal user is a continuous connection status, the audio-visual terminal state of the terminal user is switched to the server-existing state, so as to realize the switching status of the audio-visual terminal state.

[0067] Specifically, the realization of the switching status of the audio-visual terminal state is specifically analyzed as follows:

[0068] According to the audio-visual terminal state of each terminal user, where the audio-visual terminal state includes the server-existing state and the server-nonexistent state.

[0069] It should be elaborated that the above-mentioned server stores status, which refers to various data and information saved by the server to handle requests from terminal customers. These status information may include authentication information of terminal customers, session information, request history, data cache, etc. The server's stored status can help the server remember previous requests from terminal customers and calculate progressive responses when new requests arrive, thus improving processing efficiency. The server's statelessness means that when the server processes client requests, it does not save or record status information related to a specific terminal customer session. The absence of this status information makes each request independent. The server does not rely on previous requests or session information to respond to the current request. Therefore, even if a server node fails or crashes, it will not affect the request processing on other server nodes, improving the reliability of the server response.

[0070] If the connection status between the scheduling server and the audio-video terminal of the terminal user is an interrupted connection status, the status of the audio-video terminal of the terminal user is switched from the audio-video terminal switch to the server's statelessness. If the connection status between the scheduling server and the audio-video terminal of the terminal user is a continuous connection status, the status of the audio-video terminal of the terminal user is switched from the audio-video terminal switch to the server's stored status, thereby realizing the switching status of the audio-video terminal.

[0071] The above-mentioned audio-video terminal switch: is a device specifically used for switching and distributing video signals and audio signals. By switching multiple signals from the input channel to any one of the output channels, and the output channels are independent of each other. Some switches allow asynchronous control of video and audio, and have characteristics such as a high-performance processor, high definition, long-distance transmission, and audio optimization.

[0072] Switching status optimization: Through the switching status of the audio-video terminal, obtain the switching information of the terminal user's audio-video terminal, and determine the switching quality index of the audio-video terminal switch, thereby optimizing the switching status of the mobile audio-video scheduling terminal.

[0073] Furthermore, the specific analysis process of the switching quality index of the audio-video terminal switch is as follows:

[0074] According to the switching information of the terminal user's audio-video terminal, extract the single switching duration, the number of successful switches, and the number of lost data packets transmitted within the switching cycle of the audio-video terminal switch. Among them, the single switching duration, the number of successful switches, and the number of lost data packets transmitted within the switching cycle can all be extracted from the switching summary report of the audio-video terminal switch.

[0075] The number of successful switches of the audio - video terminal switcher is processed as a ratio with the total number of switches of the obtained audio - video terminal switcher. The total number of switches of the audio - video terminal switcher and the total number of data packets transmitted by the following audio - video terminal switcher within the switching period can both be extracted from the switching design report, and the switching success rate of the audio - video terminal switcher is obtained.

[0076] The number of lost data packets transmitted by the audio - video terminal switcher within the switching period is processed as a ratio with the total number of data packets transmitted by the obtained audio - video terminal switcher within the switching period, and the data packet transmission loss rate of the audio - video terminal switcher is obtained.

[0077] The single - switch defined duration, the defined success rate of switching, and the defined loss rate are extracted from the terminal switching management library, and the switching quality index of the audio - video terminal switcher is obtained through comprehensive processing.

[0078] Specifically, the switching quality index of the audio - video terminal switcher, in this embodiment, is obtained through comprehensive analysis of the single - switch duration of the audio - video terminal switcher, the switching success rate of the audio - video terminal switcher, and the data packet transmission loss rate of the audio - video terminal switcher, so as to determine the switching quality index of the audio - video terminal switcher. In this embodiment, a more accurate calculation method is adopted for obtaining, and the specific analysis process is as follows:

[0079]

[0080] In the formula,

[0081]

[0082] Where A represents the switching quality index of the audio - video terminal switcher. In this embodiment, if the single - switch duration of the audio - video terminal switcher is long, it indicates that the success rate of the current switching operation of the audio - video terminal switcher is not high, thus reducing the switching quality of the audio - video terminal switcher; at the same time, if the data packet transmission loss rate of the audio - video terminal switcher is too large, it also means that the success rate of the current switching operation of the audio - video terminal switcher is small, so as to reduce the switching quality. Therefore, this expression is simplified to reduce the negative impact caused by the interaction between various parameters, in order to improve the switching quality of the audio - video terminal switcher.

[0083] SC represents the single - switch duration of the audio - video terminal switcher, which refers to the time elapsed from when the switcher receives the switching instruction to when the audio - video signal is actually switched from one input to another output.

[0084] SC′ represents the defined single - switch duration, which refers to the maximum value of the allowed single - switch duration.

[0085] CL represents the switching success rate of the audio - video terminal switcher, which is the ratio of the number of successful switches of the audio - video terminal switcher to the total number of switches of the audio - video terminal switcher.

[0086] CL′ represents the defined switching success rate, which is the minimum value of the switching success rate.

[0087] DL represents the data packet transmission loss rate of the audio - video terminal switcher, which is the ratio of the number of lost data packets during the switching cycle of the audio - video terminal switcher to the total number of data packets transmitted during the switching cycle of the audio - video terminal switcher.

[0088] DL′ represents the defined loss rate, which is the maximum value permitted when discussing the loss rate.

[0089] f1 represents the weight factor corresponding to the predefined single - switch duration, f2 represents the weight factor corresponding to the predefined switching success rate, and f3 represents the weight factor corresponding to the predefined data packet transmission loss rate. Among them, the weight factor corresponding to the single - switch duration, the weight factor corresponding to the switching success rate, and the weight factor corresponding to the data packet transmission loss rate are all determined by determining the importance of the switching duration, the switching success rate, and the data packet transmission loss rate in the overall switching performance index according to the switching quality target of the audio - video switcher, and referring to the standards of the communication industry and the practical experience of experts in related fields to determine the values of the corresponding weight factors.

[0090] S represents the number of successful switches of the audio - video terminal switcher, which is the number of times the audio - video signal successfully switches from one input to another output.

[0091] ΔS represents the total number of switches of the audio - video terminal switcher, which is the total number of times the audio - video signal switches from one input to another output.

[0092] B represents the number of lost data packets during the switching cycle of the audio - video terminal switcher, which is the number of lost data packets during the process of the audio - video signal switching from one input to another output during the switching cycle.

[0093] ΔB represents the total number of data packets transmitted during the switching cycle of the audio - video terminal switcher, which is the total number of data packets transmitted during the process of the audio - video signal switching from one input to another output during the switching cycle.

[0094] Let \(g1\) represent the correction factor corresponding to the predefined handover success rate, and \(g2\) represent the correction factor corresponding to the predefined data packet transmission loss rate. The correction factor corresponding to the handover success rate and the correction factor corresponding to the data packet transmission loss rate are both obtained by collecting a large amount of handover success rate data and data packet transmission loss rate data as the input set of the prediction model, training the prediction model with these data, thereby establishing a mathematical model capable of predicting the handover success rate and the data packet transmission loss rate, and analyzing the differences between the model prediction results and the actual handover success rate and data packet transmission loss rate. These differences are the corresponding correction factors.

[0095] In this embodiment, the value range of the weight factor corresponding to the single handover duration is from 0.33 to 0.5. The weight factor corresponding to the single handover duration is set to 0.45. The value range of the weight factor corresponding to the handover success rate is from 0.47 to 0.56. The weight factor corresponding to the handover success rate is set to 0.52. The value range of the weight factor corresponding to the data packet transmission loss rate is from 0.39 to 0.49. The weight factor corresponding to the data packet transmission loss rate is set to 0.48.

[0096] In this embodiment, the single handover defined duration is set to 3 milliseconds, the handover defined success rate is 90%, and the defined loss rate is 20%.

[0097] In this embodiment, the handover quality index of the above audio - video terminal switcher has the numerical values as shown in Table 2:

[0098] Table 2 Numerical change table between the handover quality index of the audio - video terminal switcher and its corresponding parameters

[0099]

[0100] In this embodiment, according to the table of the handover quality index of the above audio - video terminal switcher, it can be known that when the single handover duration and the data packet transmission loss rate decrease and the handover success rate increases, the handover quality index of the audio - video terminal switcher will increase significantly. From this, it can be known that there is an inverse relationship between the single handover duration, the data packet transmission loss rate and the handover quality index of the audio - video terminal switcher, while there is a direct relationship between the handover success rate and the handover quality index of the audio - video terminal switcher. Therefore, if the handover quality is to be improved, necessary measures need to be taken to reduce the single handover duration and the data packet transmission loss rate, and increase the handover success rate.

[0101] Furthermore, the optimization of the handover state of the mobile audio - video scheduling terminal is specifically analyzed as follows:

[0102] Compare the switching quality index of the audio-video terminal switcher with a preset quality index threshold, where the quality index threshold is obtained by the dispatcher through comprehensive analysis of factors such as the switching quality standard of the audio-video terminal switcher and the switching requirements of the usage status. If the switching quality index of the audio-video terminal switcher is greater than or equal to the quality index threshold, there is no need to optimize the switching status of the mobile audio-video dispatching terminal; if the switching quality index of the audio-video terminal switcher is less than the quality index threshold, perform a difference process on the switching quality index of the audio-video terminal switcher and the quality index threshold to obtain the switching quality deviation value of the audio-video terminal switcher, and match it with the switching optimization plan corresponding to each switching quality deviation value interval. The specific matching process is as follows: First, set each switching quality deviation value interval, determine which interval the switching quality deviation value of the audio-video terminal switcher belongs to, and assign the switching optimization plan corresponding to this interval to the audio-video terminal switcher corresponding to the switching quality deviation value to obtain the switching optimization plan of the audio-video terminal switcher, so as to optimize the switching status of the mobile audio-video dispatching terminal.

[0103] The above switching optimization plan: Select high-quality equipment to ensure that the audio-video terminal switcher meets higher standards and supports high-resolution and high-bitrate transmission; adjust the parameters of the switcher according to actual needs, such as gain, equalizer, etc., to obtain better sound quality and picture quality; regularly clean and inspect the audio-video terminal switcher to ensure its normal operation and good performance; formulate a fault handling plan to quickly locate and solve problems such as switching failures and signal losses; use special monitoring software or systems to monitor the operating status and performance of the audio-video terminal switcher in real time.

[0104] The above content is only an example and explanation of the structure of the present invention. Those skilled in the art of this technology make various modifications or supplements to the described specific embodiments or use similar methods to replace them. As long as they do not deviate from the structure of the invention or exceed the scope defined by the present invention, they should fall within the protection scope of the present invention.

Claims

1. A switching method for a mobile audio and video scheduling terminal, characterized in that: include: Server status matching: obtaining the audio and video terminal usage status information and abnormal information of each terminal user, evaluating the audio and video terminal usage status index and abnormal maintenance index of each terminal user, and thus matching the audio and video terminal status of each terminal user; Audio and video terminal switching: If the connection state between the scheduling server and the audio and video terminal of the terminal user is disconnected, the audio and video terminal state of the terminal user is switched to the server non-existent state; if the connection state between the scheduling server and the audio and video terminal of the terminal user is continuous, the audio and video terminal state of the terminal user is switched to the server existing state, thereby realizing the switching of the audio and video terminal state; Switching state optimization: Obtain the switching information of the terminal user's audio and video terminal through the switching status of the audio and video terminal status, obtain the single switching duration, switching success rate, and data packet transmission loss rate of the audio and video terminal switch according to the switching information of the terminal user's audio and video terminal, extract the single switching definition duration, switching definition success rate, and definition loss rate from the terminal switching management library, and obtain the switching quality index of the audio and video terminal switch through comprehensive processing, so as to optimize the switching state of the mobile audio and video scheduling terminal; The switching state of the mobile audio and video scheduling terminal is optimized, and the specific analysis process is as follows: Comparing the switching quality index of the audio and video terminal switch with the preset quality index threshold, if the switching quality index of the audio and video terminal switch is greater than or equal to the quality index threshold, there is no need to optimize the switching state of the mobile audio and video scheduling terminal; If the switching quality index of the audio and video terminal switch is less than the quality index threshold, the switching quality index of the audio and video terminal switch is differentially processed with the quality index threshold to obtain the switching quality deviation value of the audio and video terminal switch, and the switching optimization plan corresponding to each switching quality deviation value interval is matched to obtain the switching optimization plan of the audio and video terminal switch, so as to optimize the switching state of the mobile audio and video scheduling terminal.

2. A switching method for a mobile audio and video scheduling terminal according to claim 1, characterized in that: The switching quality index of the audio and video terminal switcher is specifically analyzed as follows: According to the switching information of the terminal user's audio and video terminal, the single switching duration of the audio and video terminal switch, the number of successful switching, and the number of data packets lost during the switching cycle are extracted; The number of successful switching of the audio and video terminal switch is compared with the total number of switching of the audio and video terminal switch, so as to obtain the switching success rate of the audio and video terminal switch; The number of data packets lost during the switching period of the audio and video terminal switch is ratioed with the total number of data packets transmitted during the switching period of the audio and video terminal switch to obtain the data packet transmission loss rate of the audio and video terminal switch; The single switching definition duration, switching definition success rate and definition loss rate are extracted from the terminal switching management library, and the switching quality index of the audio and video terminal switch is obtained through comprehensive processing.

3. A switching method for a mobile audio and video scheduling terminal according to claim 2, characterized in that: The switching quality index of the audio and video terminal switcher is specifically analyzed as follows: In the formula, A is the switching quality index of the audio and video terminal switch, SC is the single switching duration of the audio and video terminal switch, and SC ′ It is represented by the duration of a single switch, CL is represented by the switching success rate of the audio and video terminal switch, CL ′ It is represented by the switching success rate, DL represents the packet transmission loss rate of the audio and video terminal switch, and DL ′ It is represented as the defined loss rate, f1 is represented as the weight factor corresponding to the predefined single switching duration, f2 is represented as the weight factor corresponding to the predefined switching success rate, f3 is represented as the weight factor corresponding to the predefined data packet transmission loss rate, S is represented as the number of successful switching of the audio and video terminal switch, ΔS is represented as the total number of switching of the audio and video terminal switch, B is represented as the number of data packets lost during the switching period of the audio and video terminal switch, ΔB is represented as the total number of data packets transmitted by the audio and video terminal switch during the switching period, g1 is represented as the correction factor corresponding to the predefined switching success rate, and g2 is represented as the correction factor corresponding to the predefined data packet transmission loss rate.

4. A switching method for a mobile audio and video scheduling terminal according to claim 1, characterized in that: The audio and video terminal status of each terminal user is matched, and the specific matching process is as follows: The audio and video terminal usage status index of each terminal user and the abnormal maintenance index of each audio and video terminal are used as the input mapping set of the end-to-end matching model. Through the matching function of the end-to-end matching model, the output mapping set result of the end-to-end matching model is obtained and recorded as the audio and video terminal status of each terminal user.

5. A switching method for a mobile audio and video scheduling terminal according to claim 1, characterized in that: The specific analysis process of the audio and video terminal usage status index of each terminal user is as follows: According to the usage status information of the audio and video terminals of each terminal user, the attribute information of the audio and video terminals of each terminal user and the time required for the light sensor in the audio and video terminal to complete a sensing operation are extracted and recorded as the light response time of the audio and video terminals of each terminal user; The light response duration corresponding to each sensing operation of the light sensor within the terminal management cycle is added up to obtain the total light response duration of the audio and video terminals of each terminal user, and the total light response duration is processed with the light response duration of the audio and video terminals of each terminal user to obtain the light sensitivity of the audio and video terminals of each terminal user. The light sensitivity of the audio and video terminals of each terminal user is obtained by integration, and the light sensitivity of the audio and video terminals of each terminal user is obtained by multiplying the correction factor corresponding to the light sensitivity defined in the terminal switching management library to obtain the light sensitivity impact index of the audio and video terminals of each terminal user. The light sensitivity impact index of the audio and video terminals of each terminal user is obtained by comprehensive analysis with the influence degree coefficient of the audio and video terminal attributes of each terminal user to obtain the audio and video terminal usage status index of each terminal user. The specific analysis process of the influence degree coefficient of the audio and video terminal attributes of each terminal user is as follows: According to the audio and video terminal attribute information of each terminal user, the decibel value of the audio and video terminal of each terminal user at each terminal management time point is obtained, and the decibel values ​​are arranged in order from small to large, and the decibel value ranked first is recorded as the decibel peak value of the audio and video terminal of each terminal user; Obtain the output power of the audio and video terminal of each terminal user at the terminal management time point corresponding to the decibel peak value, and record it as the maximum instantaneous power of the audio and video terminal of each terminal user; Extract the decibel defined peak value and defined power from the terminal switching management library; The decibel peak value of the audio and video terminal of each terminal user is compared with the decibel limit peak value to obtain the decibel impact index of the audio and video terminal of each terminal user; the maximum instantaneous power of the audio and video terminal of each terminal user is compared with the limit power to obtain the output power impact index of the audio and video terminal of each terminal user; The decibel impact index of each terminal user's audio and video terminal is added to the output power impact index of each terminal user's audio and video terminal to obtain the audio and video terminal attribute impact degree coefficient of each terminal user.

6. A switching method for a mobile audio and video scheduling terminal according to claim 1, characterized in that: The specific analysis process of the abnormal maintenance index of each audio and video terminal is as follows: According to the abnormal information of each audio and video terminal, the voltage value of each audio and video terminal at each terminal monitoring time point is extracted, and a voltage change scatter plot of each audio and video terminal is constructed. The total number of monitoring time points corresponding to the voltage value lower than the set voltage lower threshold and higher than the voltage upper threshold is extracted from the voltage change scatter plot, thereby counting the number of voltage abnormalities of each audio and video terminal; Obtain the total signal strength value and total temperature value of each audio and video terminal in the terminal monitoring period, perform ratio processing with the duration corresponding to the terminal monitoring period, and obtain the average signal strength value of each audio and video terminal in the terminal monitoring period and the average temperature value of each audio and video terminal in the terminal monitoring period; The impact factor, signal strength and temperature reference value corresponding to a single voltage anomaly are extracted from the terminal switching management library, and the abnormal maintenance index of each audio and video terminal is obtained through comprehensive processing.

7. A switching method for a mobile audio and video scheduling terminal according to claim 6, characterized in that: The specific analysis process of the abnormal maintenance index of each audio and video terminal is as follows: Analyze the number of voltage anomalies of each audio and video terminal, multiply it by the impact factor corresponding to a single voltage anomaly, and obtain the voltage anomaly impact index of each audio and video terminal; Analyze the average signal strength of each audio and video terminal during the terminal monitoring period, perform ratio processing with the defined signal strength, and obtain the signal strength impact index of each audio and video terminal during the terminal monitoring period; The average temperature of each audio and video terminal during the terminal monitoring period is analyzed and compared with the temperature reference value to obtain the temperature impact index of each audio and video terminal during the terminal monitoring period; the voltage abnormality impact index of each audio and video terminal, the signal strength impact index of each audio and video terminal during the terminal monitoring period and the temperature impact index of each audio and video terminal during the terminal monitoring period are added together to obtain the abnormal maintenance index of each audio and video terminal.

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