CN106409318B - Method and system for dotting regional key points - Google Patents
Method and system for dotting regional key points Download PDFInfo
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- CN106409318B CN106409318B CN201510451339.8A CN201510451339A CN106409318B CN 106409318 B CN106409318 B CN 106409318B CN 201510451339 A CN201510451339 A CN 201510451339A CN 106409318 B CN106409318 B CN 106409318B
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Abstract
The invention discloses a regional key point dotting method and a system, wherein in the recording and broadcasting process, regional dotting information of knowledge points is formed on a teacher touch screen provided with a dotting device, and query key point dotting information is formed on a student touch screen provided with the dotting device; then the teacher touch screen and the student touch screen respectively transmit the recorded dotting information to the recording and broadcasting host; and the recorded broadcast host counts the transmitted information and uploads the recorded broadcast video and the statistical result to the network resource platform. Therefore, the method and the system for dotting the regional key points can weaken the interaction gap between the teacher and the student, and improve the lecture quality of the teacher.
Description
Technical Field
The invention relates to the field of computers, in particular to a method and a system for dotting key points in an area.
Background
Along with the popularization of automatic high definition recorded broadcast system, how to improve mr and student's interactivity, let mr better know student to knowledge point understanding degree, better going holds the lecture yardstick, has become the problem that urgent needs were solved.
In the current recording and broadcasting system, relevant recording dotting information is simple and single, and only a teacher performs dotting of a textpiece ppt on a pc and leaves traces, so that the significance and the function of better mastering the lecture scale of the teacher are limited.
Disclosure of Invention
In view of the above, the invention aims to provide a method and a system for dotting regional key points, which weaken the interaction gap between a teacher and a student and improve the lecture quality of the teacher.
Based on the above object, the present invention provides a method for dotting key points in an area, comprising the steps of:
starting a recording and broadcasting host to start recording;
forming regional dotting information of knowledge points on a teacher touch screen provided with a dotting device, and simultaneously forming key questioning point dotting information on a student touch screen provided with the dotting device;
finishing the recording;
the teacher touch screen and the student touch screen respectively transmit recorded dotting information to the recording and broadcasting host;
the recorded broadcast host counts the transmitted information and uploads the recorded broadcast video and the statistical result to a network resource platform;
closing the recording and broadcasting host;
or starting the recording and broadcasting host to start recording;
forming regional dotting information of knowledge points on a teacher touch screen provided with a dotting device, and simultaneously forming key questioning point dotting information on a student touch screen provided with the dotting device;
the teacher touch screen and the student touch screen respectively transmit recorded real-time dotting information to the recording and broadcasting host;
the recording and broadcasting host computer carries out statistics on the transmitted real-time information;
after the recording is finished, the recording and broadcasting host uploads the recorded and broadcasting video and the statistical result which generate a class to a network resource platform;
and closing the recording and broadcasting host.
Optionally, the step of forming the regional dotting information of the knowledge points on the teacher touch screen with the dotting device includes:
setting a teacher lecture knowledge point list on a teacher touch screen provided with a dotting device;
when a teacher speaks a knowledge point, the teacher clicks the knowledge point in the knowledge point list and stores the knowledge point;
and after the teacher finishes teaching, forming regional dotting information on the knowledge point list.
Further, the dotting is carried out on the knowledge point of the knowledge point list, and the name and the starting time of the knowledge point are saved.
Furthermore, the dotting is performed on the knowledge point every time a knowledge point is spoken, and the beginning of the next knowledge point is the end of the previous knowledge point.
Optionally, the step of forming query key point dotting information on the student touch screen provided with the dotting device comprises:
performing key point dotting of a question on a student touch screen provided with a dotting device;
and recording and storing the dotting time.
Further, after the questioning key dotting information is formed on the student touch screen provided with the dotting device, the student touch screen transmits the dotting information to the teacher touch screen in real time through a local area network, and the dotting device on the teacher touch screen displays the questioning key dotting information of all the student touch screens on each regional dotting information.
Further, the dotting device on the teacher touch screen compares the time point in the questioning key dotting information with the recorded time information of each regional dotting information, and judges the regional dotting information where each questioning key dotting information is located.
Optionally, the teacher touch screen and the student touch screen respectively transmit the recorded dotting information to the recording and broadcasting host through a local area network.
Optionally, the counting, by the recording and playing host, the transmitted information includes:
presenting the query key point information of all the student touch screens on each regional point information;
judging whether the key point dotting information on each piece of regional dotting information exceeds a preset threshold value;
if the video exceeds the preset threshold value, cutting the regional clip video corresponding to the regional dotting information, and if the video does not exceed the preset threshold value, directly exiting.
Further, uploading the recorded and broadcast video and the statistical result to a network resource platform is to upload the cut regional segment video and the whole recorded and broadcast video to the network resource platform.
Furthermore, the teacher touch screen and the student touch screen log on the network resource platform, and the regional clip video and the whole recorded and played video on the network resource platform are online or downloaded.
In addition, the invention also provides a system for dotting the key points in the area, which comprises the following steps:
the dotting information forming module is used for starting the recording and broadcasting host, forming regional dotting information of knowledge points on a teacher touch screen provided with a dotting device, and forming key questioning dotting information on a student touch screen provided with the dotting device; the recording and playing host can be closed after the recording is finished;
the dotting information counting module is used for respectively transmitting the recorded dotting information to the recording and broadcasting host by the teacher touch screen and the student touch screen, and then counting the transmitted information by the recording and broadcasting host;
and the dotting information sharing module is used for uploading the recorded and broadcast video and the statistical result to the network resource platform by the recorded and broadcast host.
Optionally, the dotting information forming module includes a regional dotting information forming module and a query key dotting information forming module.
Furthermore, the regional dotting information forming module is used for setting a teacher lecture knowledge point list on a teacher touch screen provided with a dotting device; when a teacher speaks a knowledge point, the teacher clicks the knowledge point in the knowledge point list and stores the knowledge point; and after the teacher finishes teaching, forming regional dotting information on the knowledge point list.
Further, the dotting is carried out on the knowledge point of the knowledge point list, and the name and the starting time of the knowledge point are saved.
Furthermore, the dotting is performed on the knowledge point every time a knowledge point is spoken, and the beginning of the next knowledge point is the end of the previous knowledge point.
Furthermore, the query key dotting information forming module is used for performing query key dotting on a student touch screen provided with a dotting device, and then recording and storing the dotting time.
Furthermore, the regional key point dotting system also comprises a real-time presentation module, which is used for transmitting the dotting information of the student touch screens to the teacher touch screen in real time through a local area network, and the dotting device on the teacher touch screen presents the query key point dotting information of all the student touch screens on each regional dotting information.
Further, the real-time presentation module compares the time point of the dotting device on the teacher touch screen with the recorded time information of each piece of regional dotting information according to the query key dotting information, and judges the regional dotting information where each piece of query key dotting information is located.
Furthermore, the dotting information counting module is used for counting the transmitted information by the recording and broadcasting host, namely, the questioning key dotting information of all the student touch screens is displayed on each regional dotting information; and then judging whether the key point dotting information on each piece of regional dotting information exceeds a preset threshold value, and if so, cutting the regional clip video corresponding to the regional dotting information.
Furthermore, the dotting information sharing module uploads the recorded and played video and the statistical result to the network resource platform, and uploads the cut regional segment video and the whole recorded and played video to the network resource platform.
From the above, in the method and system for dotting the regional key points, regional dotting information of knowledge points is formed on the teacher touch screen provided with the dotting device in the recording and broadcasting process, and meanwhile, key point dotting information of questions is formed on the student touch screen provided with the dotting device; then the teacher touch screen and the student touch screen respectively transmit the recorded dotting information to the recording and broadcasting host; and the recorded broadcast host counts the transmitted information and uploads the recorded broadcast video and the statistical result to the network resource platform. Therefore, the method and the system for dotting the regional key points can realize that teachers can conveniently know the dynamic state of the lecture quality in time in class, the teachers can check the whole effect of the lecture after class and students can clearly see the unclear knowledge points.
Drawings
FIG. 1 is a schematic flow chart of a method for dotting key points in a region according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a method for dotting key points in a region according to another embodiment of the present invention;
fig. 3 is a schematic flow chart of the recording and broadcasting host computer for information statistics and uploading according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a regional key point dotting system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
Referring to fig. 1, a schematic flow chart of a region key point dotting method according to an embodiment of the present invention is shown, where the region key point dotting method includes:
Preferably, the recording is started by the recording and broadcasting host computer remotely.
And 102, forming regional dotting information of knowledge points on a teacher touch screen provided with the dotting device, and forming key questioning point dotting information on a student touch screen provided with the dotting device.
As an embodiment of the invention, the teacher touch screen and the student touch screen are connected with the recording and broadcasting host through a local area network. All install on teacher's touch-sensitive screen and the student touch-sensitive screen and beat the device, preferably, install respectively on teacher's touch-sensitive screen and the student touch-sensitive screen and beat the APP.
And step 103, finishing recording.
In the embodiment, the recording and broadcasting host can record the whole process of the teacher lecture, the teacher can click on the teacher touch screen to form regional information of clicking on knowledge points in the recording process, and students can click on the student touch screen to form key information of clicking on questions when the students encounter questions while listening to the teacher lecture.
And step 104, respectively transmitting the recorded dotting information to the recording and broadcasting host through the teacher touch screen and the student touch screen.
And after the recording and broadcasting host is closed when the recording and broadcasting is finished, the teacher touch screen and the student touch screen respectively send the dotting information to the recording and broadcasting host through the local area network.
And 105, the recorded broadcast host counts the transmitted information and uploads the recorded broadcast video and the statistical result to the network resource platform.
In another embodiment of the invention, both the teacher touch screen and the student touch screen can log on the network resource platform through network connection, and then recorded and played videos and statistical results on the network resource platform can be online or downloaded.
And step 106, closing the recording and broadcasting host.
As another embodiment of the present invention, as shown in fig. 2, the method for dotting the key points in the area includes:
Preferably, a knowledge point list during class speaking can be preset on the teacher touch screen, and the teacher can directly click on the knowledge point list. Preferably, each time a dotting operation is performed, the name of the dotting knowledge point and the dotting time (the time when the knowledge point starts) need to be recorded and stored.
It should be noted that, when the next knowledge point is clicked when the next knowledge point is reached, the recorded time may be represented as the start time of the next knowledge point, or may be represented as the end time of the previous knowledge point.
And step 203, finishing recording, and forming regional dotting information on the knowledge point list of the teacher touch screen. Meanwhile, the student touch screen finishes dotting the key points of the questions.
In the embodiment, the student touch screen finishes dotting the key points of the question, and all the dotting time can be recorded and stored. Preferably, words can be attached to the student touch screen when the key point of the question is clicked.
And step 204, the teacher touch screen and the student touch screen respectively transmit the recorded dotting information to the recording and broadcasting host through the local area network.
And step 205, the recording and broadcasting host counts the transmitted information and uploads the recorded and broadcasted video and the counting result to the network resource platform.
As another embodiment of the present invention, the specific steps include, as shown in fig. 3:
step 301: and presenting the query key point information of all the student touch screens on each regional point information.
Step 302: and judging whether the key point dotting information on each piece of regional dotting information exceeds a preset threshold value.
Preferably, the preset threshold may be a specific numerical value, and when the number of the key point dotting information exceeds the specific numerical value, it indicates that the knowledge point students corresponding to the area have the most questions.
Step 303: if the regional dotting information exceeds the preset threshold value, the regional segment video corresponding to the regional dotting information is cut, and then the cut regional segment video and the whole recorded and played video are uploaded to a network resource platform. And if the video does not exceed the preset threshold, uploading the whole recorded and played video to a network resource platform.
And step 206, closing the recording and broadcasting host.
It should be noted that, the teacher touch screen and the student touch screen may send respective dotting information to the recording and broadcasting host in real time, and then the recording and broadcasting host performs information statistics in real time. And after the recording is finished, after the recorded and broadcast video and the statistical result of a lesson are generated, uploading the recorded and broadcast video and the statistical result to a network resource platform. Or after the recording is finished (the above-described process), the teacher touch screen and the student touch screen respectively transmit the respective dotting information to the recording and broadcasting host, then the recording and broadcasting host counts and processes the whole dotting information, and finally uploads the recorded and broadcast video and the statistical result.
Specifically, the method for performing region key point dotting in real time may be: firstly, starting a recording and broadcasting host to start recording. And setting a teacher lecture knowledge point list on a teacher touch screen provided with a dotting device, and dotting and storing the teacher on the knowledge points of the knowledge point list every time the teacher speaks a knowledge point. Meanwhile, the key point of the question is clicked on a student touch screen provided with the dotting device. And then, carrying out regional dotting information on a knowledge point list of the teacher touch screen, and sending the real-time dotting information to the recording and broadcasting host. Meanwhile, the student touch screen performs dotting on the key points of the questions, and real-time dotting information is sent to the recording and broadcasting host. And the recording and broadcasting host counts the information transmitted in real time, finishes recording and uploads the generated recorded and broadcast video (the video of the whole class and the cut video) of one class and the statistical result to the network resource platform. And finally, closing the recording and broadcasting host.
In addition, in the above steps 102 and 202, after the query key point dotting information is formed on the student touch screen provided with the dotting device, the student touch screen transmits the dotting information to the teacher touch screen in real time through the local area network, and then the dotting device on the teacher touch screen can present the query key point dotting information of the student touch screen on each regional dotting information. Therefore, the teacher can see the learning effect and the problems of the students on the spoken knowledge points at any time in the process of lecturing.
Preferably, the dotting device on the teacher touch screen can compare the time point in the query key dotting information with the recorded time information of each piece of regional dotting information, and determine the regional dotting information where each piece of query key dotting information is located. In the embodiment, the same time axis is respectively set on the teacher touch screen and the same time axis is set on the student touch screen, and the regional dotting information and the query key dotting information are respectively dotted on the respective dotting devices. When the teacher touch screen monitors the dotting condition on the student touch screen in real time, the time of the questioning key dotting information sent to the teacher touch screen by the student touch screen in real time is displayed on the time axis of the regional dotting information.
It should be noted that the time of the dotting device on the teacher touch screen or the student touch screen is consistent with the relative time after the recording and broadcasting host starts recording.
In another embodiment of the present invention, the present invention further provides a regional key point dotting system, as shown in fig. 4, including a dotting information forming module 401, a dotting information counting module 402, and a dotting information sharing module 403, which are connected in sequence. The dotting information forming module 401 is used for starting a recording and broadcasting host, forming regional dotting information of knowledge points on a teacher touch screen provided with a dotting device, and forming key questioning dotting information on a student touch screen provided with the dotting device; ending recording and closing the recording and broadcasting host. Then, the dotting information counting module 402 transmits the recorded dotting information to the recording and broadcasting host through the teacher touch screen and the student touch screen respectively, and the recording and broadcasting host counts the transmitted information. Finally, the dotting information sharing module 403 is used for the recorded and broadcast host to upload the recorded and broadcast video and the statistical result to the network resource platform.
As an embodiment of the present invention, the dotting information forming module 401 includes a regional dotting information forming module and a query key dotting information forming module. The regional dotting information forming module is used for setting a teacher lecture knowledge point list on a teacher touch screen provided with a dotting device; when a teacher speaks a knowledge point, the teacher clicks the knowledge point in the knowledge point list and stores the knowledge point; and after the teacher finishes teaching, forming regional dotting information on the knowledge point list. Preferably, the regional key point dotting system further comprises a real-time presenting module 404, which is used for transmitting the dotting information of the student touch screens to the teacher touch screen in real time through a local area network, and the dotting device on the teacher touch screen presents the query key point dotting information of all the student touch screens on each regional dotting information. That is to say, the real-time presentation module compares the time point in the question key dotting information with the recorded time information of each regional dotting information by the dotting device on the teacher touch screen, and determines the regional dotting information where each question key dotting information is located.
The query key point information forming module is used for counting the transmitted information by the recording and broadcasting host, namely presenting the query key point information of all the student touch screens on each regional point information; and then judging whether the key point dotting information on each piece of regional dotting information exceeds a preset threshold value, and if so, cutting the regional clip video corresponding to the regional dotting information. Preferably, the dotting information sharing module can upload the clipped regional clip video and the whole recorded and played video to the network resource platform.
In summary, the method and system for dotting the regional key points provided by the invention creatively provide that the regional dotting information of the knowledge points is formed on the teacher touch screen provided with the dotting device, and meanwhile, the key dotting information of the questions is formed on the student touch screen provided with the dotting device; that is, the teacher touch screen divides an area of each knowledge point, and the student touch screen can simultaneously question and click each knowledge point; therefore, the regional key point dotting method and system enable teachers to know the dynamics of the lecture quality; moreover, the recording and broadcasting host cuts the video exceeding the threshold value through threshold value judgment, so that teachers can check the overall effect of a lesson through dotting of the original video or the video after statistical cutting after class administration, and students can also clearly see the self-made unclear knowledge points to quickly find the corresponding knowledge point region segment video; moreover, the dotting condition on the student touch screen can be obtained in real time on the teacher touch screen, so that the effect of student listening in a lecture can be obtained in real time in the course of lecture; meanwhile, the teacher can better know the understanding degree of the students on the knowledge points, the lecture scale can be better mastered, and the lecture quality is improved to the maximum extent; finally, the whole method and system for dotting the key points in the region are simple, convenient and compact and are easy to realize.
Those of ordinary skill in the art will understand that: the invention is not to be considered as limited to the specific embodiments thereof, but is to be understood as being modified in all respects, all changes and equivalents that come within the spirit and scope of the invention.
Claims (15)
1. A regional key point dotting method is characterized by comprising the following steps:
starting a recording and broadcasting host to start recording;
forming regional dotting information of knowledge points on a teacher touch screen provided with a dotting device, and simultaneously forming key questioning point dotting information on a student touch screen provided with the dotting device;
finishing the recording;
the teacher touch screen and the student touch screen respectively transmit recorded dotting information to the recording and broadcasting host;
the recorded broadcast host counts the transmitted information and uploads the recorded broadcast video and the statistical result to a network resource platform;
closing the recording and broadcasting host;
or starting the recording and broadcasting host to start recording;
forming regional dotting information of knowledge points on a teacher touch screen provided with a dotting device, and simultaneously forming key questioning point dotting information on a student touch screen provided with the dotting device;
the teacher touch screen and the student touch screen respectively transmit recorded real-time dotting information to the recording and broadcasting host;
the recording and broadcasting host computer carries out statistics on the transmitted real-time information;
after the recording is finished, the recording and broadcasting host uploads the recorded and broadcasting video and the statistical result which generate a class to a network resource platform;
closing the recording and broadcasting host;
wherein, the step of forming the key point information of questioning on the student touch screen with the point device comprises:
performing key point dotting of a question on a student touch screen provided with a dotting device;
recording and storing the dotting time;
after the questioning key point dotting information is formed on the student touch screen provided with the dotting device, the student touch screen transmits the dotting information to the teacher touch screen in real time through a local area network, and the dotting device on the teacher touch screen displays the questioning key point dotting information of all the student touch screens on each regional dotting information;
the step of counting the transmitted information by the recording and broadcasting host computer comprises the following steps:
presenting the query key point information of all the student touch screens on each regional point information;
judging whether the key point dotting information on each piece of regional dotting information exceeds a preset threshold value;
if the video exceeds the preset threshold value, cutting the regional clip video corresponding to the regional dotting information, and if the video does not exceed the preset threshold value, directly exiting.
2. The method of claim 1, wherein the step of forming local dotting information of knowledge points on the teacher's touch screen with the dotting device installed comprises:
setting a teacher lecture knowledge point list on a teacher touch screen provided with a dotting device;
when a teacher speaks a knowledge point, the teacher clicks the knowledge point in the knowledge point list and stores the knowledge point;
and after the teacher finishes teaching, forming regional dotting information on the knowledge point list.
3. The method of claim 2, wherein dotting is performed on the knowledge point of the knowledge point list and the knowledge point name and start time are saved.
4. The method of claim 2, wherein each time a knowledge point is spoken, dotting is performed on the knowledge point, and the beginning of the next knowledge point is the end of the previous knowledge point.
5. The method according to claim 1, wherein the dotting device on the teacher touch screen compares the time point in the query key dotting information with the recorded time information of each regional dotting information to determine the regional dotting information where each query key dotting information is located.
6. The method as claimed in claim 1, wherein the teacher touch screen and the student touch screen respectively transmit the recorded dotting information to the recording and broadcasting host through a local area network.
7. The method of claim 1, wherein uploading the recorded video and statistics to the network resource platform is uploading the cropped region segment video and the entire recorded video to the network resource platform.
8. The method of claim 7, wherein the teacher touch screen and the student touch screen are logged onto the network resource platform, and the regional clip video and the entire recorded video on the network resource platform are downloaded online or downloaded.
9. A regional keypoint dotting system, comprising:
the dotting information forming module is used for starting the recording and broadcasting host to start recording, forming regional dotting information of knowledge points on a teacher touch screen provided with a dotting device, and forming key questioning dotting information on a student touch screen provided with the dotting device; the recording and playing host can be closed after the recording is finished;
the dotting information counting module is used for respectively transmitting the recorded dotting information to the recording and broadcasting host by the teacher touch screen and the student touch screen, and then counting the transmitted information by the recording and broadcasting host;
the dotting information sharing module is used for uploading recorded and broadcast videos and statistical results to the network resource platform by the recorded and broadcast host;
the query key dotting information forming module is used for performing query key dotting on a student touch screen provided with a dotting device, and then recording and storing dotting time; the system for dotting key points in the areas further comprises a real-time presentation module, wherein the student touch screens transmit dotting information to the teacher touch screen in real time through a local area network, and a dotting device on the teacher touch screen presents the questioning key point dotting information of all the student touch screens on each piece of regional dotting information;
the dotting information counting module is used for counting the transmitted information by the recording and broadcasting host, namely, the questioning key dotting information of all the student touch screens is displayed on each regional dotting information; and then judging whether the key point dotting information on each piece of regional dotting information exceeds a preset threshold value, and if so, cutting the regional clip video corresponding to the regional dotting information.
10. The system according to claim 9, wherein said dotting information forming module comprises a regional dotting information forming module and a query key dotting information forming module.
11. The system according to claim 10, wherein the regional dotting information forming module is to set a teacher lecture knowledge point list on a teacher touch screen on which the dotting device is installed; when a teacher speaks a knowledge point, the teacher clicks the knowledge point in the knowledge point list and stores the knowledge point; and after the teacher finishes teaching, forming regional dotting information on the knowledge point list.
12. The system of claim 11, wherein the dotting is performed on the knowledge point of the knowledge point list and the knowledge point name and start time are saved.
13. The system of claim 11, wherein each time a knowledge point is spoken, a point is scored on that knowledge point, and the beginning of the next knowledge point is the end of the previous knowledge point.
14. The system according to claim 9, wherein the real-time presentation module compares the time point in the question key point information with the recorded time information of each piece of regional point information by the point device on the teacher touch screen, and determines the regional point information where each piece of question key point information is located.
15. The system of claim 9, wherein the dotting information sharing module uploads the recorded video and the statistical result to the network resource platform, and uploads the clipped regional clip video and the entire recorded video to the network resource platform.
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| CN107146177B (en) * | 2017-04-21 | 2021-02-12 | 阔地教育科技有限公司 | Teaching system and method based on artificial intelligence technology |
| CN113301371A (en) * | 2021-05-20 | 2021-08-24 | 读书郎教育科技有限公司 | System and method for associating video clips of live course exercises with knowledge points |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101968932A (en) * | 2010-09-19 | 2011-02-09 | 深圳市摩拓触摸科技有限公司 | Intelligent interactive multimedia teaching system and implementation method thereof |
| CN103956081A (en) * | 2014-04-29 | 2014-07-30 | 天脉聚源(北京)传媒科技有限公司 | Distance teaching method and device based on cloud platform |
| CN104581351A (en) * | 2015-01-28 | 2015-04-29 | 上海与德通讯技术有限公司 | Audio/video recording method, audio/video playing method and electronic device |
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| CA2748698A1 (en) * | 2011-08-10 | 2013-02-10 | Learningmate Solutions Private Limited | System, method and apparatus for managing education and training workflows |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968932A (en) * | 2010-09-19 | 2011-02-09 | 深圳市摩拓触摸科技有限公司 | Intelligent interactive multimedia teaching system and implementation method thereof |
| CN103956081A (en) * | 2014-04-29 | 2014-07-30 | 天脉聚源(北京)传媒科技有限公司 | Distance teaching method and device based on cloud platform |
| CN104581351A (en) * | 2015-01-28 | 2015-04-29 | 上海与德通讯技术有限公司 | Audio/video recording method, audio/video playing method and electronic device |
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