CN103413472B - Method and system for achieving network synchronous classroom - Google Patents
Method and system for achieving network synchronous classroom Download PDFInfo
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- CN103413472B CN103413472B CN201310366776.0A CN201310366776A CN103413472B CN 103413472 B CN103413472 B CN 103413472B CN 201310366776 A CN201310366776 A CN 201310366776A CN 103413472 B CN103413472 B CN 103413472B
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- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
- G09B5/14—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations with provision for individual teacher-student communication
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
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Abstract
The invention provides a method and system for achieving a network synchronous classroom. The method for achieving the network synchronous classroom comprises the following steps that a locating video camera in a main classroom monitors movement of teachers and students in the main classroom; information of the movement of the teachers and the students is sent to a tracking host of the main classroom; the tracking host of the main classroom sends a control command to the tracking video camera of the main classroom and a teaching client end of the main classroom; the teaching client end of the main classroom determines a target video needing to be output and sends an image processing command to an image splicer of the main classroom according to a current teaching model after receiving the control command; the image splicer of the main classroom forms a combined video and pushes the combined video to the teaching client end of the main classroom according to tracing video information obtained from the tracking video camera of the main classroom and the image processing command received from the teaching client end of the main classroom; the teaching client end of the main classroom sends currently-output audio-video information to a teaching client end of an assisting classroom through a streaming media server.
Description
Technical field
The invention belongs to network communication field, particularly relate to a kind of Network Synchronization classroom implementation method and system.
Background technology
Along with the penetration and promotion of internet, remote teaching has become a kind of common form of teaching in today of information prosperity.But the function ratio in current Web-based instruction classroom is more single, although can realize teletransmission, the online interaction for teaching is poor, cannot effectively improve the quality of teaching.
Summary of the invention
The invention provides a kind of Network Synchronization classroom implementation method and system, to solve the problem.
The invention provides a kind of Network Synchronization classroom implementation method.Said method comprises the following steps: the located camera of main subject hall monitors the motion of teacher and student in main subject hall, and the movable information of teacher and student is sent to the tracking main frame of main subject hall; The tracking camera of tracking main frame sending controling instruction to main subject hall of main subject hall and the teaching client of main subject hall; After the teaching client reception steering order of main subject hall, according to current teaching pattern, determine the target video needing to export, and send image processing commands to the image stitcher of main subject hall; The tracking video information that the image stitcher of main subject hall obtains according to the tracking camera from main subject hall and the image processing commands received from the teaching client of main subject hall, form the teaching client that composite video pushes to main subject hall; The audio/video information of current output is sent to the teaching client of subsidiary course hall by the teaching client of main subject hall by streaming media server.
The present invention also provides a kind of Network Synchronization classroom to realize system, comprises main classroom system, auxiliary classroom system and streaming media server.Main classroom system comprises located camera, follows the tracks of main frame, tracking camera, the teaching client of main subject hall and the image stitcher of main subject hall.Auxiliary classroom system comprises the teaching client of subsidiary course hall.The tracking main frame of main subject hall connects the teaching client of located camera, tracking camera and main subject hall respectively, the image stitcher of main subject hall connects teaching client and the tracking camera of main subject hall respectively, and the teaching client of main subject hall connects the teaching client of subsidiary course hall by streaming media server.The located camera of main subject hall, for monitoring the motion of teacher and student in main subject hall, and is sent to the tracking main frame of main subject hall by the movable information of teacher and student.The tracking main frame of main subject hall, for the tracking camera of sending controling instruction to main subject hall and the teaching client of main subject hall.After the teaching client reception steering order of main subject hall, for according to current teaching pattern, determine the target video needing to export, and send image processing commands to the image stitcher of main subject hall.The tracking video information that the image stitcher of main subject hall obtains according to the tracking camera from main subject hall and the image processing commands received from the teaching client of main subject hall, push to the teaching client of main subject hall for the formation of composite video.The teaching client of main subject hall, for being sent to the teaching client of subsidiary course hall by the audio/video information of current output by streaming media server.
Compared to prior art, according to Network Synchronization classroom implementation method provided by the invention and system, realize online class by the facilitating communications of main subject hall and subsidiary course hall synchronous.In addition, improve robotization and the intellectuality in Network Synchronization classroom, thus improve the quality of instruction of teacher, the classroom promoting student is experienced.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Figure 1 shows that the schematic diagram of the Network Synchronization classroom implementation method that preferred embodiment according to the present invention provides;
Figure 2 shows that Network Synchronization classroom that preferred embodiment according to the present invention provides realizes the schematic diagram of system.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Figure 1 shows that the schematic diagram of the Network Synchronization classroom implementation method that preferred embodiment according to the present invention provides.As shown in Figure 1, the Network Synchronization classroom implementation method that preferred embodiment of the present invention provides comprises step 101 ~ 105.
In step 101, the located camera of main subject hall monitors the motion of teacher and student in main subject hall, and the movable information of teacher and student is sent to the tracking main frame of main subject hall.In this, the located camera of main subject hall comprises Teacher view video camera and orientation of student shooting.The Teacher view of main subject hall is camera supervised when walking about in teaching process to teacher's writing on the blackboard in main subject hall or teacher, teachers'action image information is now sent to teacher and follows the tracks of main frame; The orientation of student of main subject hall is camera supervised when standing up to the student in main subject hall or sit down, and now will be sent to student trace main frame by student's dynamic image data; In addition, teacher follows the tracks of main frame, student trace main frame can merge into a tracking main frame.
In step 102, the tracking camera of tracking main frame sending controling instruction to main subject hall of described main subject hall and the teaching client of main subject hall.In this, the tracking camera of main subject hall comprises teacher's tracking camera and student trace video camera.The tracking main frame of main subject hall is according to the teachers'action image information obtained from Teacher view video camera and the student's dynamic image data obtained from orientation of student video camera, and sending controling instruction is to the teaching client of teacher's tracking camera of main subject hall, student trace video camera and main subject hall.Wherein, steering order carries direction of motion information, motion amplitude information and signal source-information.So, after teacher's tracking camera of main subject hall or student trace video camera receive the steering order of following the tracks of main frame transmission, the motion correspondingly can following the tracks of teacher or student is taken.
In step 103, after the teaching client of described main subject hall receives described steering order, according to current teaching pattern, determine the target video needing to export, and send image processing commands to the image stitcher of main subject hall.Specifically, after the teaching client reception steering order of main subject hall, in conjunction with the field research pattern that self is current, judge to export any road video as target video, and send image processing commands to the image stitcher of main subject hall.Wherein, image processing commands comprises and carries target video output information.In this, the kind of teaching pattern comprises normal teaching pattern, sound resources mode, noiseless resources mode and interactive discussion pattern.But the present invention does not limit this.Wherein, under normal teaching pattern, the target video exported is needed to be based on the vision signal of the student trace video camera of teacher's tracking camera of main subject hall, student trace video camera or subsidiary course hall; Under sound resources mode, need the target video exported based on the VGA of the teaching client of main subject hall (Video GraphicsArray) signal; Under noiseless resources mode, need the target video exported based on the VGA signal of the teaching client of main subject hall; In interactive discussion pattern, need the target video exported based on the vision signal of the student trace video camera of the student trace video camera of main subject hall or subsidiary course hall.
In step 104, the tracking video information that the image stitcher of described main subject hall obtains according to the tracking camera from main subject hall and the described image processing commands received from the teaching client of main subject hall, form the teaching client that composite video pushes to described main subject hall.In this, the image stitcher of main subject hall is according to the tracking video information of image processing commands and teacher's tracking camera or student trace video camera, form the composite video under corresponding teaching pattern, and the composite video determined is pushed to the teaching client of main subject hall.In this, the image stitcher of main subject hall according to the difference of teaching pattern, can splice the teaching client that the auxiliary compound picture plane of a master two is pushed to main subject hall as required.
In step 105, the audio/video information of current output is sent to the teaching client of subsidiary course hall by the teaching client of described main subject hall by streaming media server.In this, the audio/video information of current output is sent to the teaching client of subsidiary course hall by the teaching client of main subject hall by streaming media server, so, realize the synchronizing information of main subject hall and subsidiary course hall.
In the present embodiment, by teaching duration, pre-warning time and transfer sequence that the kind of the teaching client of main subject hall setting teaching pattern, often kind of teaching pattern are corresponding, the teaching client of main subject hall provides according to the teaching pattern that corresponding teaching duration is correspondence and switches control.
Specifically, after the teaching client of main subject hall completes and arranges teaching pattern kind, often kind of teaching pattern corresponding teaching duration, pre-warning time and transfer sequence, start timing trigger function, when timing reaches, open teaching pattern corresponding to the first transfer sequence and send the teaching client of initiate notification message to subsidiary course hall by streaming media server, wherein, the Sound control policy information of subsidiary course hall corresponding under carrying the teaching client teaching pattern information of main subject hall, this pattern in described initiate notification message.And, when the teaching client of main subject hall judges that the teaching duration of corresponding teaching pattern arrives pre-warning time, the teaching client display reminding information of main subject hall.Wherein, whether described information comprises the residue teaching duration of corresponding teaching pattern and points out teacher to be ready to extend teaching duration.
In addition, in the present embodiment, different teaching modes correspondence arranges different Sound control strategies, when the teaching client of main subject hall switches between different teaching modes, according to the Sound control of the Sound control Developing Tactics main subject hall of correspondence, notify the teaching client of subsidiary course hall simultaneously.Wherein, following information is carried in notification message: the Sound control policy information of the subsidiary course hall that the teaching pattern after the teaching pattern information after switching, switching is corresponding.The teaching client of subsidiary course hall completes according to notification message and arranges teaching pattern switching and Sound control Developing Tactics.
In the present embodiment, under normal teaching pattern, described Sound control strategy is: at main subject hall, the teaching client call microphone voice acquisition module of main subject hall gathers microphone voice, and the input port of the teaching client of the sound signal of microphone access main subject hall, at subsidiary course hall, the teaching client call microphone voice acquisition module of subsidiary course hall gathers microphone voice, and the input port of the teaching client of the sound signal of microphone access subsidiary course hall.Under sound resources mode, described Sound control strategy is: at main subject hall, the teaching client call sound card sound acquisition module of main subject hall, microphone voice acquisition module, and audio mixing is carried out, using the input signal of the sound signal after audio mixing as sound card input port, at subsidiary course hall to the teaching client sound card output signal of main subject hall and the input signal of microphone, the teaching client call mic mute module of subsidiary course hall, carry out silence processing, now, the student in subsidiary course hall cannot make a speech.Under noiseless resources mode, described Sound control strategy is: at main subject hall, the teaching client call microphone voice acquisition module of main subject hall gathers microphone voice, and the input port of the teaching client of the sound signal of microphone access main subject hall, at subsidiary course hall, the teaching client call microphone voice acquisition module of subsidiary course hall gathers microphone voice, and the input port of the teaching client of the sound signal of microphone access subsidiary course hall.Under interactive discussion pattern, described Sound control strategy is: at main subject hall, the teaching client call microphone voice acquisition module of main subject hall gathers microphone voice, and the input port of the teaching client of the sound signal of microphone access main subject hall, at subsidiary course hall, the teaching client call microphone voice acquisition module of subsidiary course hall gathers microphone voice, and the input port of the teaching client of the sound signal of microphone access subsidiary course hall.
In this, if teacher in main subject hall teaching client arrange as shown in table 1, then the following implementation procedure describing the Network Synchronization classroom that the present embodiment provides according to table 1 in detail.
| Transfer sequence | Teaching pattern | Teaching duration | Pre-warning time |
| 1 | Normal teaching pattern | 20 minutes | Reach early warning in 18 minutes |
| 2 | Sound resources mode | 10 minutes | Reach early warning in 8 minutes |
| 3 | Noiseless resources mode | 10 minutes | Reach early warning in 8 minutes |
| 4 | Interactive discussion pattern | 5 minutes | Reach early warning in 3 minutes |
Table 1
Specifically, teacher arranges interface by the teaching of the teaching client of main subject hall and arranges teaching pattern, teaching duration, pre-warning time and transfer sequence.The teaching client of main subject hall obtains integrated information as shown in table 1 according to arranging of teacher.In addition, teacher selectes timing (such as, 10 minutes), the teaching client terminal start-up timing trigger function of main subject hall, when timing arrives, the teaching client of main subject hall opens teaching pattern corresponding to the first transfer sequence (as shown in table 1 is normal teaching pattern).Now, teacher formally starts to attend class.Simultaneously, the teaching client of main subject hall is by the teaching client transmission initiate notification message of streaming media server to subsidiary course hall, wherein, the Sound control policy information of the subsidiary course hall that initiate notification message is corresponding under carrying normal teaching pattern information (i.e. the teaching pattern information of the teaching client of current main subject hall) and this pattern.After the teaching client of subsidiary course hall receives described initiate notification message, arranging present mode is normal teaching pattern, and determine that current sound control strategy is: the teaching client call microphone voice acquisition module of subsidiary course hall gathers microphone voice, and the input port of the teaching client of the sound signal of microphone access subsidiary course hall.So, subsidiary course hall can carry out interaction with main subject hall.
Specifically, under normal teaching pattern, if teacher's writing on the blackboard or walk about in teaching process, then teacher's tracking camera of main subject hall follows the tracks of the motion of teacher, the teaching client of main subject hall sends the image stitcher of image processing commands to main subject hall, the image that the image stitcher of main subject hall obtains according to the teacher's tracking camera from main subject hall, splices based on the compound picture plane of the output of teacher's tracking camera, and pushes to the teaching client of main subject hall.The teaching client of main subject hall transmits current audio/video information by streaming media server to the teaching client of subsidiary course hall.If when the student of main subject hall takes the floor, student's dynamic image data can be sent to the tracking main frame of main subject hall by the orientation of student video camera of main subject hall, the tracking main frame of main subject hall according to the information sending controling instruction received to the teaching client of student trace video camera and main subject hall.The teaching client of main subject hall is determined to need the target video exported based on the information of student trace video camera, and sends image processing commands to the image stitcher of main subject hall.Now, the student trace video camera of main subject hall carries out feature tracking to student, after the image stitcher reception image processing commands of main subject hall, splices based on the compound picture plane of the output of student trace video camera, and pushes to the teaching client of main subject hall.The teaching client of main subject hall transmits current audio/video information by streaming media server to the teaching client of subsidiary course hall.If sit down the student of main subject hall speech, student's dynamic image data is sent to the tracking main frame of main subject hall by the orientation of student video camera of main subject hall, follow the tracks of the above-mentioned information of aster Resolution, to the student trace video camera of main subject hall and the teaching client sending controling instruction of main subject hall, then the feature tracking to speech student cancelled by the student trace video camera of main subject hall, simultaneously, after the teaching client reception steering order of main subject hall, identify and now do not have student to make a speech, then to determine with the signal of teacher's tracking camera for main exporting (if teacher's writing on the blackboard or walk about in teaching process), and send image processing commands to the image stitcher of main subject hall.After the image stitcher reception image processing commands of main subject hall, splice based on the compound picture plane of the output of teacher's tracking camera, and push to the teaching client of main subject hall.The teaching client of main subject hall transmits current audio/video information by streaming media server to the teaching client of subsidiary course hall.In addition, under this pattern, the student of subsidiary course hall also can make a speech, and now, the teaching client of subsidiary course hall gathers the audio, video data of subsidiary course hall, is sent it to the teaching client of main subject hall by streaming media server.Obtain the said process of mode with main subject hall of the audio, video data of the speech of subsidiary course hall student about subsidiary course hall, therefore repeat no more in this.
In addition, the teaching duration being in normal teaching pattern when the teaching client of main subject hall reaches pre-warning time (when the duration of teaching shown in such as table 1 reaches 18 minutes), the teaching client display reminding information of main subject hall, point out the residue of teacher's normal teaching pattern teaching duration (such as, remaining 2 minutes) and point out teacher whether to be ready to extend the teaching duration of normal teaching pattern.If teacher selects the teaching duration extending normal teaching pattern, then the teaching client of main subject hall arranges time expand according to the selection of teacher, resets the timing of timer internal to teaching duration corresponding to each teaching pattern in whole course simultaneously.
After the teaching duration of normal teaching pattern reaches setup times (20 minutes as shown in table 1) or extend teaching duration also reach (such as, if time expand is 5 minutes, then reach 25 minutes) after, teaching pattern is switched to sound resource status by the teaching client of main subject hall, meanwhile, sent a notification message to the teaching client of subsidiary course hall by streaming media server.Wherein, the Sound control policy information of sound resources mode information and subsidiary course hall corresponding to sound resources mode is carried in notification message.After the teaching client receiving notice message of subsidiary course hall, switching present mode is sound resources mode, and adjusts Sound control strategy and be: the teaching client call mic mute module of subsidiary course hall, carries out silence processing, now, the student in subsidiary course hall cannot make a speech.
Under sound resources mode, the teaching client of main subject hall, according to the address of sound Resource Storage, is called sound resource and is play.Wherein, sound resource comprises MP4, sound electronic courseware etc.At main subject hall, Sound control strategy is: the teaching client call sound card sound acquisition module of main subject hall, microphone voice acquisition module, and audio mixing is carried out, using the input signal of the sound signal after audio mixing as sound card input port to the teaching client sound card output signal of main subject hall and the input signal of microphone.Under this pattern, the teaching client of main subject hall is determined using VGA signal as main output signal, and sends the image stitcher of image processing commands to main subject hall.The image stitcher of main subject hall splices composite video, and pushes to the teaching client of main subject hall.The teaching client of main subject hall sends the teaching client of current audio/video information to subsidiary course hall by streaming media server.
In addition, when the teaching duration of sound resources mode reaches pre-warning time (when teaching duration as shown in table 1 reaches 8 minutes), the teaching client display reminding information of main subject hall.In this, the display of information and operation as described in normal teaching pattern, therefore repeat no more in this.
After the teaching duration of sound resources mode reaches setup times (10 minutes as shown in table 1) or extend teaching duration also reach (such as, if time expand is 5 minutes, then reach 15 minutes) after, teaching pattern is switched to noiseless resources mode by the teaching client of main subject hall.Meanwhile, the teaching client of main subject hall sends a notification message to the teaching client of subsidiary course hall.Notification message carries the Sound control policy information of the information of noiseless resources mode and subsidiary course hall corresponding to noiseless resources mode.After the teaching client receiving notice message of subsidiary course hall, switch present mode to noiseless resources mode, and adjust Sound control strategy and be: the teaching client call microphone voice acquisition module of subsidiary course hall gathers microphone voice, and the input port of the teaching client of the sound signal of microphone access subsidiary course hall.
Under noiseless resources mode, the teaching client of main subject hall is play according to the noiseless resource of the call by location of noiseless Resource Storage.At main subject hall, Sound control strategy is: the teaching client call microphone voice acquisition module of main subject hall gathers microphone voice, and the input port of the teaching client of the sound signal of microphone access main subject hall.Under this pattern, the teaching client of main subject hall is determined using VGA signal as main output signal, and sends the image stitcher of image processing commands to main subject hall.The image stitcher of main subject hall splices composite video, and pushes to the teaching client of main subject hall.The teaching client of main subject hall sends the teaching client of current audio/video information to subsidiary course hall by streaming media server.
In addition, when the teaching duration of noiseless resources mode reaches pre-warning time (when teaching duration as shown in table 1 reaches 8 minutes), the teaching client display reminding information of main subject hall.In this, the display of information and operation as described in normal teaching pattern, therefore repeat no more in this.
After the teaching duration of noiseless resources mode reaches setup times (10 minutes as shown in table 1) or extend teaching duration also reach (such as, if time expand is 5 minutes, then reach 15 minutes) after, teaching pattern is switched to interactive discussion pattern by the teaching client of main subject hall.Meanwhile, the teaching client of main subject hall sends a notification message to the teaching client of subsidiary course hall.Notification message carries the Sound control policy information of the information of interactive discussion pattern and subsidiary course hall corresponding to interactive discussion pattern.After the teaching client receiving notice message of subsidiary course hall, switch present mode to interactive discussion pattern, and adjust Sound control strategy and be: the teaching client call microphone voice acquisition module of subsidiary course hall gathers microphone voice, and the input port of the teaching client of the sound signal of microphone access subsidiary course hall.
Under interactive discussion pattern, the teaching client of main subject hall is determined to need the target video exported based on the student trace video camera of main subject hall, and sends the image stitcher of image processing commands to main subject hall.The image that the image stitcher of main subject hall obtains according to the student trace video camera from main subject hall, splices based on the compound picture plane of the output of student trace video camera, and pushes to the teaching client of main subject hall.The teaching client of main subject hall transmits current audio/video information by streaming media server to the teaching client of subsidiary course hall.
In addition, when the teaching duration of interactive discussion pattern reaches pre-warning time (when teaching duration as shown in table 1 reaches 5 minutes), the teaching client display reminding information of main subject hall.In this, the display of information and operation as described in normal teaching pattern, therefore repeat no more in this.It should be noted that, the teaching duration of interactive discussion pattern reach setup times (5 minutes as shown in table 1) afterwards or the teaching duration extended also reach (such as, if time expand is 5 minutes, then reach 10 minutes) after, whole curricula terminates.
Figure 2 shows that Network Synchronization classroom that preferred embodiment according to the present invention provides realizes the schematic diagram of system.As shown in Figure 2, the Network Synchronization classroom that preferred embodiment of the present invention provides realizes system and comprises main classroom system 10, auxiliary classroom system 12 and streaming media server 11.Main classroom system 10 comprise located camera 100,101, follow the tracks of main frame 102, tracking camera 103,104, the teaching client 105 of main subject hall and the image stitcher 106 of main subject hall.Auxiliary classroom system 12 comprises the teaching client 125 of subsidiary course hall.The tracking main frame 102 of main subject hall connect respectively located camera 100,101, the teaching client 105 of tracking camera 103,104 and main subject hall, the image stitcher 106 of main subject hall connects teaching client 105 and the tracking camera 103,104 of main subject hall respectively, and the teaching client 105 of main subject hall connects the teaching client 125 of subsidiary course hall by streaming media server 11.
In the present embodiment, the located camera 100,101 of main subject hall, for monitoring the motion of teacher and student in main subject hall, and is sent to the tracking main frame 102 of main subject hall by the movable information of teacher and student.The tracking main frame 102 of main subject hall, for the tracking camera 103,104 of sending controling instruction to main subject hall and the teaching client 105 of main subject hall.After the teaching client 105 of main subject hall receives steering order, for according to current teaching pattern, determine the target video needing to export, and send image processing commands to the image stitcher 106 of main subject hall.The tracking video information that the image stitcher 106 of main subject hall obtains according to the tracking camera 103,104 from main subject hall and the image processing commands received from the teaching client 105 of main subject hall, push to the teaching client 105 of main subject hall for the formation of composite video.The teaching client 105 of main subject hall, for being sent to the teaching client 125 of subsidiary course hall by the audio/video information of current output by streaming media server 11.Wherein, the kind of teaching pattern, often kind of teaching pattern corresponding teaching duration, pre-warning time and transfer sequence is set by the teaching client 105 of main subject hall, the teaching client 105 of main subject hall, provides switching to control for the teaching pattern being correspondence according to corresponding teaching duration.
In the present embodiment, auxiliary classroom system 12 also comprises the image stitcher 126 of orientation of student video camera 121, student trace main frame 122, student trace video camera 124 and subsidiary course hall.Student trace main frame 122 connects the teaching client 125 of orientation of student video camera 121, student trace video camera 124 and subsidiary course hall respectively, and the image stitcher 126 of subsidiary course hall connects teaching client 125 and the student trace video camera 124 of subsidiary course hall.About the specific operation process of described system with described in said method, therefore repeat no more in this.
In sum, the Network Synchronization classroom implementation method provided according to present pre-ferred embodiments and system, realize online class by the facilitating communications of main subject hall and subsidiary course hall synchronous.In addition, by teaching duration, pre-warning time and transfer sequence that the kind of the teaching client of main subject hall setting teaching pattern, often kind of teaching pattern are corresponding, the teaching client of main subject hall provides according to the teaching pattern that corresponding teaching duration is correspondence and switches control.So, improve robotization and the intellectuality in Network Synchronization classroom, thus improve the quality of instruction of teacher, the classroom promoting student is experienced.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a Network Synchronization classroom implementation method, is characterized in that, comprises the following steps:
The located camera of main subject hall monitors the motion of teacher and student in main subject hall, and the movable information of teacher and student is sent to the tracking main frame of main subject hall;
The tracking camera of tracking main frame sending controling instruction to main subject hall of described main subject hall and the teaching client of main subject hall;
After the teaching client of described main subject hall receives described steering order, according to current teaching pattern, determine the target video needing to export, and send image processing commands to the image stitcher of main subject hall;
The tracking video information that the image stitcher of described main subject hall obtains according to the tracking camera from main subject hall and the described image processing commands received from the teaching client of main subject hall, form the teaching client that composite video pushes to described main subject hall;
The audio/video information of current output is sent to the teaching client of subsidiary course hall by the teaching client of described main subject hall by streaming media server.
2. method according to claim 1, it is characterized in that, by teaching duration, pre-warning time and transfer sequence that the kind of the teaching client of described main subject hall setting teaching pattern, often kind of teaching pattern are corresponding, the teaching client of described main subject hall provides according to the teaching pattern that corresponding teaching duration is correspondence and switches control.
3. method according to claim 2, it is characterized in that, the teaching client of main subject hall completes and arranges teaching pattern kind, the teaching duration that often kind of teaching pattern is corresponding, after pre-warning time and transfer sequence, start timing trigger function, when timing reaches, open teaching pattern corresponding to the first transfer sequence and send the teaching client of initiate notification message to subsidiary course hall by streaming media server, wherein, the teaching client teaching pattern information of main subject hall is carried in described initiate notification message, the Sound control policy information of subsidiary course hall corresponding under this pattern,
When the teaching client of described main subject hall judges that the teaching duration of corresponding teaching pattern arrives pre-warning time, the teaching client display reminding information of described main subject hall.
4. method according to claim 2, is characterized in that, the kind of described teaching pattern comprises normal teaching pattern, sound resources mode, noiseless resources mode and interactive discussion pattern.
5. method according to claim 1, is characterized in that, the located camera of described main subject hall comprises Teacher view video camera and orientation of student video camera, and the tracking camera of described main subject hall comprises teacher's tracking camera and student trace video camera.
6. method according to claim 1, is characterized in that, described steering order carries direction of motion information, motion amplitude information and signal source-information; Described image processing commands carries target video output information.
7. a Network Synchronization classroom realizes system, it is characterized in that, comprise main classroom system, auxiliary classroom system and streaming media server, described main classroom system comprises located camera, follow the tracks of main frame, tracking camera, the teaching client of main subject hall and the image stitcher of main subject hall, described auxiliary classroom system comprises the teaching client of subsidiary course hall, the tracking main frame of described main subject hall connects described located camera respectively, the teaching client of tracking camera and main subject hall, the image stitcher of main subject hall connects the teaching client of main subject hall and described tracking camera respectively, the teaching client of described main subject hall connects the teaching client of described subsidiary course hall by described streaming media server,
The located camera of described main subject hall, for monitoring the motion of teacher and student in main subject hall, and is sent to the tracking main frame of main subject hall by the movable information of teacher and student,
The tracking main frame of described main subject hall, for the tracking camera of sending controling instruction to main subject hall and the teaching client of main subject hall,
After the teaching client of described main subject hall receives described steering order, for according to current teaching pattern, determine the target video needing to export, and send image processing commands to the image stitcher of main subject hall,
The tracking video information that the image stitcher of described main subject hall obtains according to the tracking camera from main subject hall and the described image processing commands received from the teaching client of main subject hall, push to the teaching client of described main subject hall for the formation of composite video,
The teaching client of described main subject hall, for being sent to the teaching client of subsidiary course hall by the audio/video information of current output by streaming media server.
8. system according to claim 7, it is characterized in that, described auxiliary classroom system also comprises the image stitcher of orientation of student video camera, student trace main frame, student trace video camera and subsidiary course hall, described student trace main frame connects the teaching client of described orientation of student video camera, described student trace video camera and subsidiary course hall respectively, and the image stitcher of subsidiary course hall connects the teaching client of subsidiary course hall and described student trace video camera.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310366776.0A CN103413472B (en) | 2013-08-14 | 2013-08-21 | Method and system for achieving network synchronous classroom |
| PCT/CN2013/086815 WO2015024301A1 (en) | 2013-08-14 | 2013-11-11 | Method and system for implementing online synchronous class |
Applications Claiming Priority (4)
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| CN201310366776.0A CN103413472B (en) | 2013-08-14 | 2013-08-21 | Method and system for achieving network synchronous classroom |
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| CN103414880B (en) * | 2013-08-14 | 2016-08-10 | 阔地教育科技有限公司 | The processing method of a kind of simultaneous classroom and system |
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| CN104065924A (en) * | 2014-06-23 | 2014-09-24 | 苏州阔地网络科技有限公司 | On-line synchronization classroom intelligent tracking method and system |
| CN104867359B (en) * | 2015-06-02 | 2017-04-19 | 阔地教育科技有限公司 | Audio processing method and system in live/recorded broadcasting system |
| CN104867365A (en) * | 2015-06-02 | 2015-08-26 | 阔地教育科技有限公司 | Teaching interactive mode switching method and system |
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| CN113034321A (en) * | 2021-03-29 | 2021-06-25 | 北京有竹居网络技术有限公司 | Online classroom prompting method and device, computer equipment and storage medium |
| CN114554239B (en) * | 2022-02-23 | 2023-08-25 | 北京碧云数创科技有限公司 | Teaching live broadcast system and method |
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| CN103413472A (en) | 2013-11-27 |
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