阅读说明：本技术 一种在线课堂的巡堂互动控制方法、装置、系统及介质 (Online classroom patrol interaction control method, device, system and medium ) 是由 孙悦 李天驰 乔伟 于 2021-05-26 设计创作，主要内容包括：本发明公开了一种在线课堂的巡堂互动控制方法、装置、系统及介质,方法包括：接收教师终端发出的巡堂操作指令并将所述巡堂操作指令发送给目标学生终端；实时采集所述目标学生终端的操作区域画面并编码生成相应的音视频流；将所述音视频流同步至所述教师终端后进行解码播放,直到检测到巡堂结束指令时停止播放。本发明实施例通过对目标学生终端发出巡堂操作指令后实时采集操作画面并同步给教师终端,使得在直播网课的课堂作业操作环节,教师终端可实时监控各个学生用户的作业完成过程与质量,有效提高了教学质量以及师生互动性。(The invention discloses a patrol interaction control method, a device, a system and a medium for an online classroom, wherein the method comprises the following steps: receiving a patrol operation instruction sent by a teacher terminal and sending the patrol operation instruction to a target student terminal; collecting the operation area pictures of the target student terminal in real time and coding the operation area pictures to generate corresponding audio and video streams; and synchronizing the audio and video stream to the teacher terminal, decoding and playing the audio and video stream, and stopping playing the audio and video stream until a hall patrol ending instruction is detected. According to the embodiment of the invention, the operation pictures are collected in real time and synchronously sent to the teacher terminal after the target student terminals send the patrol operation instructions, so that the teacher terminal can monitor the operation completion process and quality of each student user in real time in the classroom operation link of the live-broadcast network course, and the teaching quality and teacher-student interactivity are effectively improved.)

1. A patrol interactive control method for an online classroom is characterized by comprising the following steps:

receiving a patrol operation instruction sent by a teacher terminal and sending the patrol operation instruction to a target student terminal;

collecting the operation area pictures of the target student terminal in real time and coding the operation area pictures to generate corresponding audio and video streams;

and synchronizing the audio and video stream to the teacher terminal, decoding and playing the audio and video stream, and stopping playing the audio and video stream until a hall patrol ending instruction is detected.

2. The on-line classroom patrol interactive control method according to claim 1, wherein the receiving a patrol operation instruction sent by a teacher terminal and sending the patrol operation instruction to a target student terminal comprises:

receiving a patrol operation instruction sent by a teacher terminal;

acquiring a patrol mode in the patrol operation instruction;

and sending the hall patrol operation instruction to a corresponding target student terminal according to the hall patrol mode.

3. The on-line classroom patrol interactive control method according to claim 2, wherein the patrol mode includes a sequential patrol mode, a designated patrol mode, and a random patrol mode.

4. The on-line classroom patrol interactive control method according to claim 3, wherein if the patrol mode is the in-order patrol mode, the sending of the patrol operation instruction to the corresponding target student terminal according to the patrol mode specifically comprises:

and sequentially sending the hall patrol operation instructions to each target student terminal according to a preset sequence every a first preset time.

5. The on-line classroom patrol interactive control method according to claim 3, wherein if the patrol mode is the specified patrol mode, the sending of the patrol operation instruction to the corresponding objective student terminal according to the patrol mode specifically comprises:

and detecting a patrol list sent by the current teacher terminal, and sending the patrol operation instruction to target student terminals contained in the patrol list.

6. The on-line classroom patrol interactive control method according to claim 3, wherein if the patrol mode is a random patrol mode, the sending of the patrol operation instruction to the corresponding target student terminal according to the patrol mode specifically comprises:

and randomly appointing a target student terminal every second preset time, and sending the hall patrol operation instruction to the currently appointed target student terminal.

7. The on-line classroom patrol interactive control method according to claim 1, wherein the synchronizing of the audio and video stream to the teacher terminal is followed by decoding and playing, and the playing is stopped until a patrol ending instruction is detected, and the method comprises:

synchronously pushing the audio and video stream to a teacher terminal through a streaming media server;

and decoding the audio and video stream, and then playing the operation area picture of the target student terminal in real time until a tour end instruction is detected.

8. The utility model provides an online classroom's patrol interactive control device which characterized in that includes:

the instruction sending module is used for receiving the patrol operation instruction sent by the teacher terminal and sending the patrol operation instruction to the target student terminal;

the picture acquisition module is used for acquiring the pictures of the operation area of the target student terminal in real time and encoding the pictures to generate corresponding audio and video streams;

and the patrol playing module is used for synchronizing the audio and video stream to the teacher terminal and then decoding and playing the audio and video stream until a patrol ending instruction is detected, and stopping playing the audio and video stream.

9. An on-line classroom patrol interactive control system is characterized by comprising at least one processor; and the number of the first and second groups,

a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,

the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the on-line classroom round robin interaction control method of any one of claims 1-7.

10. A non-transitory computer-readable storage medium storing computer-executable instructions that, when executed by one or more processors, cause the one or more processors to perform the on-line classroom round robin interaction control method of any one of claims 1-7.

Technical Field

The invention relates to the technical field of internet, in particular to a patrol interaction control method, device, system and medium for an online classroom.

Background

Online education, or distance education, online learning generally refers to a learning behavior based on a network. On-line education is a teaching mode taking a network as a medium, and students and teachers can develop teaching activities even if the students and teachers are separated by ten thousand through the network, so that the online education is a convenient and efficient mode to become more and more choices of teachers and students at present because the limitation of time and space is broken.

Because there is no actual classroom, when the classroom operation is involved in the current live broadcast network class, the teacher terminal can not patrol the classroom like going off the classroom, i.e. patrol the operation completion condition of each student, therefore, the classroom operation completion process and quality of the student can not be monitored in real time.

Accordingly, the prior art is yet to be improved and developed.

Disclosure of Invention

In view of the above deficiencies of the prior art, an object of the present invention is to provide a method, an apparatus, a system and a medium for on-line classroom patrol interaction control, which are used to solve the problem that the completion process of classroom operation in the on-line classroom cannot be monitored in real time in the prior art.

The technical scheme of the invention is as follows:

a patrol interactive control method for an online classroom comprises the following steps:

receiving a patrol operation instruction sent by a teacher terminal and sending the patrol operation instruction to a target student terminal;

collecting the operation area pictures of the target student terminal in real time and coding the operation area pictures to generate corresponding audio and video streams;

and synchronizing the audio and video stream to the teacher terminal, decoding and playing the audio and video stream, and stopping playing the audio and video stream until a hall patrol ending instruction is detected.

In the online classroom patrol interactive control method, receiving a patrol operation instruction sent by a teacher terminal and sending the patrol operation instruction to a target student terminal includes:

receiving a patrol operation instruction sent by a teacher terminal;

acquiring a patrol mode in the patrol operation instruction;

and sending the hall patrol operation instruction to a corresponding target student terminal according to the hall patrol mode.

In the method for the on-line classroom patrol interactive control, the patrol mode comprises a sequential patrol mode, a designated patrol mode and a random patrol mode.

In the patrol interactive control method for the online classroom, if the patrol mode is the in-order patrol mode, the patrol operation instruction is sent to the corresponding target student terminal according to the patrol mode, and the method specifically comprises the following steps:

and sequentially sending the hall patrol operation instructions to each target student terminal according to a preset sequence every a first preset time.

In the patrol interactive control method for the online classroom, if the patrol mode is the specified patrol mode, the patrol operation instruction is sent to the corresponding target student terminal according to the patrol mode, and the method specifically comprises the following steps:

and detecting a patrol list sent by the current teacher terminal, and sending the patrol operation instruction to target student terminals contained in the patrol list.

In the patrol interactive control method for the online classroom, if the patrol mode is a random patrol mode, the patrol operation instruction is sent to the corresponding target student terminal according to the patrol mode, and the method specifically comprises the following steps:

and randomly appointing a target student terminal every second preset time, and sending the hall patrol operation instruction to the currently appointed target student terminal.

In the patrol interactive control method for the online classroom, the audio and video stream is synchronized to the teacher terminal and then decoded and played, and the playing is stopped until a patrol ending instruction is detected, including:

synchronously pushing the audio and video stream to a teacher terminal through a streaming media server;

and decoding the audio and video stream, and then playing the operation area picture of the target student terminal in real time until a tour end instruction is detected.

Another embodiment of the present invention further provides an online classroom patrol interactive control device, which includes:

the instruction sending module is used for receiving the patrol operation instruction sent by the teacher terminal and sending the patrol operation instruction to the target student terminal;

the picture acquisition module is used for acquiring the pictures of the operation area of the target student terminal in real time and encoding the pictures to generate corresponding audio and video streams;

and the patrol playing module is used for synchronizing the audio and video stream to the teacher terminal and then decoding and playing the audio and video stream until a patrol ending instruction is detected, and stopping playing the audio and video stream.

The invention also provides a patrol interactive control system of an online classroom, which comprises at least one processor; and the number of the first and second groups,

a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,

the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the round robin interaction control method or the decoding method for the online classroom.

Another embodiment of the present invention also provides a non-transitory computer-readable storage medium storing computer-executable instructions that, when executed by one or more processors, cause the one or more processors to perform the patrol interaction control method or the decoding method for an online classroom described above.

Has the advantages that: compared with the prior art, the embodiment of the invention acquires operation pictures in real time and synchronously sends the operation pictures to the teacher terminal after sending out the patrol operation instruction to the target student terminal, so that the teacher terminal can monitor the operation completion process and quality of each student user in real time in the classroom operation link of live broadcast network class, and the teaching quality and teacher-student interactivity are effectively improved.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a flowchart illustrating a preferred embodiment of a patrol interaction control method for an online classroom according to the present invention;

fig. 2 is a schematic view of a patrol flow in an embodiment of an online classroom patrol interaction control method provided by the present invention;

fig. 3 is a functional block diagram of a preferred embodiment of the patrol interaction control device for an online classroom provided by the present invention;

fig. 4 is a schematic hardware structure diagram of a preferred embodiment of the patrol interaction control system for online class according to the present invention.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is described in further detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Embodiments of the present invention will be described below with reference to the accompanying drawings.

The method for controlling the patrol interaction in the online classroom is applied to a system consisting of a plurality of terminal devices, a network and a server, wherein the network is a medium for providing a communication link between the terminal devices and the server and can comprise various connection types, such as a wired communication link, a wireless communication link or an optical fiber cable.

The terminal equipment is divided into a teacher terminal and a student terminal according to different users, namely, the teacher user and the student user can respectively use respective terminal equipment, log in the online teaching application on the respective terminal equipment through a pre-registered account and then are connected to a server through a network to realize interaction, so that data receiving or sending and the like are performed. And may be embodied in various electronic devices having a display screen and supporting web browsing, including but not limited to smart phones, tablet computers, portable computers, desktop servers, and the like.

Referring to fig. 1, the method for controlling the online classroom patrol interaction provided by the present invention includes the following steps:

s100, receiving a patrol operation instruction sent by a teacher terminal and sending the patrol operation instruction to a target student terminal;

s200, collecting the operation area picture of the target student terminal in real time and coding to generate corresponding audio and video stream;

s300, the audio and video stream is synchronized to the teacher terminal and then decoded and played, and playing is stopped until a tour end instruction is detected.

In this embodiment, when a teacher and students respectively perform on-line teaching live broadcast through on-line teaching applications pre-installed on their respective terminals, and when a scene requiring student operation, such as classroom work, is involved, a teacher user issues a job task on the teacher terminal that he/she logs in for use, and then sends the job task to the student terminals that all student users log in for use through the server, and can further send a patrol operation instruction to a target student terminal through the teacher terminal, where the patrol operation instruction is used by the teacher user to patrol and check the current operation picture of the target student user, and when receiving the patrol operation instruction, a terminal device that the target student user logs in currently, i.e., a target student terminal, starts a picture collection function, specifically, the picture collection function starts a screen recording function on the target student terminal by calling a preset interface, and collects the operation area picture of the target student terminal in real time, specifically, the operation area picture is an area where a student user performs operation editing, taking a building block programming course as an example, the operation area picture is a building block editing area on a target student terminal, the operation area picture collected in real time is encoded to generate a corresponding audio/video stream and then is synchronized to the teacher terminal, the teacher terminal receives the audio/video stream and then performs decoding playing, the operation editing process of the student on the terminal of the student is displayed to the teacher user in real time and completely, specifically, the encoding and decoding process of the audio/video stream can adopt the existing audio/video encoding and decoding method, which is the prior art, the embodiment does not give details to the encoding and decoding process, when a server detects a patrol ending instruction, the server stops playing of the audio/video stream on the teacher terminal, and specifically, the patrol ending instruction can be actively input by the teacher user on the teacher terminal, the system can actively finish the operation of the current target student user for patrol, or can be automatically generated by the system when different target student users are switched to patrol, so that the automatic switching can be realized when different student users are subjected to the operation of patrol. The on-line classroom patrol operation is simulated, so that the teacher user can monitor the completion process and quality of classroom operation of students in real time, the teacher user can find problems in operation in time to carry out targeted explanation, and the quality and effect of on-line teaching are effectively improved.

Further, receiving the hall operation instruction that the teacher terminal sent and will patrol hall operation instruction and send to target student terminal, include:

receiving a patrol operation instruction sent by a teacher terminal;

acquiring a patrol mode in the patrol operation instruction;

and sending the hall patrol operation instruction to a corresponding target student terminal according to the hall patrol mode.

In this embodiment, a teacher and a student can use respective terminals to interact with a server through a network respectively, so as to receive or send messages and the like, the teacher user can set different patrol modes on the teacher terminal and send the patrol operation instruction input under the current patrol mode to the server, and the server sends the patrol operation instruction to a corresponding target student terminal according to the recognized patrol mode, wherein the patrol mode comprises a sequential patrol mode, a specified patrol mode and a random patrol mode, that is, the patrol target in this embodiment is related to the patrol mode set by the teacher user, and different target student terminals are provided under different patrol modes, so that flexible and diversified patrol interactive control is realized, the patrol requirements of the teacher user under different situations are met, and the patrol interestingness of the online classroom is enriched.

Further, if the round mode is the in-order round mode, the round mode will be according to the round mode the round operation instruction is sent to corresponding target student terminal, specifically includes:

and sequentially sending the hall patrol operation instructions to each target student terminal according to a preset sequence every a first preset time.

In this embodiment, when the in-order polling mode is adopted, it is default that all student users in the current classroom are polled in order, and every student user is polled for a first preset time (e.g., 1 minute, etc.), specifically, the first preset time can be flexibly set according to the class duration and the difficulty of work, so that the teacher user can automatically poll the real-time work operation condition of each student user in order after starting the polling function, and does not need the teacher user to click one by one to select students to poll the rooms, thereby improving the efficiency of polling operation and ensuring the coverage rate of polling the rooms, specifically, the preset sequence can be flexibly set, for example, the time sequence of entering live rooms by the student users, the number sequence of the student users, the ranking sequence of the historical scores of the student users, and the like are not limited in this embodiment.

Further, if the round mode is the appointed round mode, the round operation instruction is sent to the corresponding objective student terminal according to the round mode, and the method specifically comprises the following steps:

and detecting a patrol list sent by the current teacher terminal, and sending the patrol operation instruction to target student terminals contained in the patrol list.

In this embodiment, when the designated patrol mode is adopted, a target student user designated by the teacher user is subjected to patrol operation, and at this time, the teacher terminal synchronously sends a patrol list to the server, where the patrol list includes student users that the teacher user wishes to perform patrol monitoring, the patrol list may include one or more student users, and the teacher user may arbitrarily designate the patrol list. Preferably, after statistical analysis is carried out according to historical scores of all students, a corresponding recommended round list is automatically pushed to a teacher user, for example, a current course is a mathematic course, a student list with mathematic course scores lower than class average scores can be obtained according to the historical score statistical analysis, or a student list with recent mathematic course scores slipping seriously (for example, the rank descending amplitude of the course scores in a specified time is larger than a preset amplitude) is obtained according to the historical score statistical analysis, and the like, the teacher user is reminded to focus on the recent learning state of a part of students through accurate and scientific data analysis, and the precision and the interaction effect of round interaction are further improved.

In specific implementation, when the hall patrol operation instruction is sent to the target student terminals included in the hall patrol list, the target student terminals may be sequentially sent or sent simultaneously or sent randomly according to a preset sequence, and the like, and specifically, the number of the target student terminals in the hall patrol list and the sending setting information input by the teacher user may be flexibly adjusted, which is not limited in this embodiment.

Further, if the round mode is a random round mode, the round operation instruction is sent to the corresponding target student terminal according to the round mode, and the method specifically includes:

and randomly appointing a target student terminal every second preset time, and sending the hall patrol operation instruction to the currently appointed target student terminal.

In this embodiment, when adopting random round mode of patrolling, then appointing at random to all student users in the current classroom through the server, every second preset time selects a new target student terminal to receive at random promptly patrolling the hall operation instruction and patrols the hall, improves the randomness of patrolling the hall operation, avoids leading to the bias of patrolling the hall operation because of teacher user's subjectivity, and wherein, teacher user defaults the second preset time to the round duration at the target student terminal of random selection, and of course, teacher user still can input at any time and patrols the hall and finishes the instruction and finishes the round operation to current random appointed target student terminal, has also improved when having satisfied round the randomness and has patrolled hall efficiency and pertinence.

Further, synchronizing the audio and video stream to the teacher terminal and then performing decoding playing until the tour end instruction is detected, the method includes:

synchronously pushing the audio and video stream to a teacher terminal through a streaming media server;

and decoding the audio and video stream, and then playing the operation area picture of the target student terminal in real time until a tour end instruction is detected.

In this embodiment, having gathered in real time after the operation area picture of target student terminal is surely converted into audio video stream, will audio video stream propelling movement to RTC streaming media server, teacher's terminal then pulls from RTC streaming media server the audio video stream of target student terminal realizes the synchronous propelling movement of operation video stream, carries out the propelling movement of audio video stream through RTC streaming media server and realizes high-efficient smooth video picture synchronization, and it is right promptly to pull behind teacher's terminal local the audio video is decoded the operation area picture of corresponding target student terminal of real-time broadcast, is about to the operation picture synchronization of target student terminal and plays to teacher's terminal to supply the teacher can watch the tour in-process to student's homework completion, ensure online teaching quality and teacher's interactivity.

Specifically, as shown in fig. 2, in an optional application embodiment, the process of performing the tour interaction on the student operation interface during live online lesson includes that the teacher sends a tour operation instruction to the student end needing to perform tour demonstration, the student end starts capturing an operation area picture after receiving the tour operation instruction, the student end pushes the captured operation area picture to the RTC push-pull stream server in an audio/video stream manner, and the teacher end pulls the audio/video stream of the student end from the RTC push-pull stream server to the local for playing, so as to implement the tour function of viewing the student operation process in real time.

According to the method, the on-line classroom patrol interactive control method provided by the invention has the advantages that the on-line classroom patrol interactive control method can acquire operation pictures in real time and synchronously send the operation pictures to the teacher terminal after issuing the classroom patrol operation instruction to the target student terminal, so that the teacher terminal can monitor the operation completion process and quality of each student user in real time in the classroom operation link of the live broadcast network class, and the teaching quality and teacher-student interactivity are effectively improved.

It should be noted that, a certain order does not necessarily exist between the above steps, and those skilled in the art can understand, according to the description of the embodiments of the present invention, that in different embodiments, the above steps may have different execution orders, that is, may be executed in parallel, may also be executed interchangeably, and the like.

Corresponding to the foregoing patrol interactive control method for an online classroom, another embodiment of the present invention provides an online classroom patrol interactive control device, as shown in fig. 4, where the device 1 includes:

the instruction sending module 11 is used for receiving a patrol operation instruction sent by the teacher terminal and sending the patrol operation instruction to the target student terminal;

the picture acquisition module 12 is used for acquiring the pictures of the operation area of the target student terminal in real time and encoding the pictures to generate corresponding audio and video streams;

and the patrol playing module 13 is configured to synchronize the audio and video stream to the teacher terminal and then decode and play the audio and video stream until a patrol ending instruction is detected, and then stop playing the audio and video stream.

The instruction sending module 11, the image collecting module 12 and the patrol playing module 13 are connected in sequence, the module referred to in the present invention refers to a series of computer program instruction segments capable of completing a specific function, and is more suitable for describing the execution process of the patrol interaction control device in the online classroom than a program.

Further, the instruction sending module 11 includes:

the receiving unit is used for receiving a patrol operation instruction sent by the teacher terminal;

the acquisition unit is used for acquiring the patrol mode in the patrol operation instruction;

and the sending unit is used for sending the hall patrol operation instruction to the corresponding target student terminal according to the hall patrol mode.

Further, the sending unit is specifically configured to:

and sequentially sending the hall patrol operation instructions to each target student terminal according to a preset sequence every a first preset time.

Further, the sending unit is further specifically configured to:

and detecting a patrol list sent by the current teacher terminal, and sending the patrol operation instruction to target student terminals contained in the patrol list.

Further, the sending unit is further specifically configured to:

and randomly appointing a target student terminal every second preset time, and sending the hall patrol operation instruction to the currently appointed target student terminal.

Further, the tour playing module 13 includes:

the pushing unit is used for synchronously pushing the audio and video stream to the teacher terminal through the streaming media server;

and the playing unit is used for decoding the audio and video stream and then playing the operation area picture of the target student terminal in real time until a tour end instruction is detected, and stopping playing.

Another embodiment of the present invention provides an online classroom patrol interaction control system, which may be a mobile terminal, a desktop computer, a notebook, a palm computer, a server, and other computing devices, as shown in fig. 4, the system 10 includes:

one or more processors 110 and a memory 120, where one processor 110 is illustrated in fig. 4, the processor 110 and the memory 120 may be connected by a bus or other means, and fig. 4 illustrates a connection by a bus as an example.

Processor 110 is used to implement various control logic for system 10, which may be a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), a single chip, an ARM (Acorn RISC machine) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination of these components. Also, the processor 110 may be any conventional processor, microprocessor, or state machine. Processor 110 may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP, and/or any other such configuration.

The memory 120 is a non-volatile computer-readable storage medium, and can be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, such as program instructions corresponding to the patrol interaction control method for an online classroom in an embodiment of the present invention. The processor 110 executes various functional applications and data processing of the system 10 by executing nonvolatile software programs, instructions and units stored in the memory 120, namely, implements the round interactive control method of the online classroom in the above-described method embodiment.

The memory 120 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the system 10, and the like. Further, the memory 120 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, memory 120 optionally includes memory located remotely from processor 110, which may be connected to system 10 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.

One or more units are stored in the memory 120, and when executed by the one or more processors 110, perform the online classroom tour interaction control method in any of the above-described method embodiments, for example, perform the above-described method steps S100 to S300 in fig. 1.

Embodiments of the present invention provide a non-transitory computer-readable storage medium storing computer-executable instructions for execution by one or more processors, for example, to perform method steps S100-S300 of fig. 1 described above.

By way of example, non-volatile storage media can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), electrically erasable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM), which acts as external cache memory. By way of illustration and not limitation, RAM is available in many forms such as Synchronous RAM (SRAM), dynamic RAM, (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), SyncLink DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The disclosed memory components or memory of the operating environment described herein are intended to comprise one or more of these and/or any other suitable types of memory.

In summary, in the method, the device, the system and the medium for on-line classroom patrol interactive control, the method receives a patrol operation instruction sent by a teacher terminal and sends the patrol operation instruction to a target student terminal; collecting the operation area pictures of the target student terminal in real time and coding the operation area pictures to generate corresponding audio and video streams; and synchronizing the audio and video stream to the teacher terminal, decoding and playing the audio and video stream, and stopping playing the audio and video stream until a hall patrol ending instruction is detected. According to the embodiment of the invention, the operation pictures are collected in real time and synchronously sent to the teacher terminal after the target student terminals send the patrol operation instructions, so that the teacher terminal can monitor the operation completion process and quality of each student user in real time in the classroom operation link of the live-broadcast network course, and the teaching quality and teacher-student interactivity are effectively improved.

The above-described embodiments are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the scheme of the embodiment.

Through the above description of the embodiments, those skilled in the art will clearly understand that the embodiments may be implemented by software plus a general hardware platform, and may also be implemented by hardware. With this in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer electronic device (which may be a personal computer, a server, or a network electronic device, etc.) to execute the methods of the various embodiments or some parts of the embodiments.

Conditional language such as "can," "might," or "may" is generally intended to convey that a particular embodiment can include (yet other embodiments do not include) particular features, elements, and/or operations, unless specifically stated otherwise or otherwise understood within the context as used. Thus, such conditional language is also generally intended to imply that features, elements, and/or operations are in any way required for one or more embodiments or that one or more embodiments must include logic for deciding, with or without input or prompting, whether such features, elements, and/or operations are included or are to be performed in any particular embodiment.

What has been described herein in the specification and drawings includes examples of a tour interaction control method, apparatus, system, and medium capable of providing an online classroom. It will, of course, not be possible to describe every conceivable combination of components and/or methodologies for purposes of describing the various features of the disclosure, but it can be appreciated that many further combinations and permutations of the disclosed features are possible. It is therefore evident that various modifications can be made to the disclosure without departing from the scope or spirit thereof. In addition, or in the alternative, other embodiments of the disclosure may be apparent from consideration of the specification and drawings and from practice of the disclosure as presented herein. It is intended that the examples set forth in this specification and the drawings be considered in all respects as illustrative and not restrictive. Although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.