CN104464421A - Distance teaching video interactive system - Google Patents
Distance teaching video interactive system Download PDFInfo
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- CN104464421A CN104464421A CN201410733643.7A CN201410733643A CN104464421A CN 104464421 A CN104464421 A CN 104464421A CN 201410733643 A CN201410733643 A CN 201410733643A CN 104464421 A CN104464421 A CN 104464421A
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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
- G09B5/08—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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
Abstract
The invention provides a distance teaching video interactive system which comprises a server module and multiple display terminal modules. The display terminal modules are used for downloading teaching video files from the server module. The multiple display terminal modules are connected with the server module through the Internet. Each display terminal module comprises a public display module, a video interactive module, a character display module, a network speed detection module and an interaction switching module. Through an Internet communication technology, discussion and interaction between interaction people are achieved, discussion places are not limited, and no expensive conference facility is needed; moreover, through the network speed detection for the distance teaching video interactive system, the smoothness of all the terminals in interaction can be guaranteed, the phenomena of network stagnation or buffering due to network waiting can be avoided, users do not need to wait, and a teaching evaluation activity can be more conveniently and rapidly conducted.
Description
Technical field
The present invention relates to long-distance video education activities field, more specifically, especially relate to a kind of remote teaching video interactive system.
Background technology
Existing video conferencing technology, comparative maturity, but it is generally applied to some comparatively formal occasion, such as business meetings or teleconferences etc.In addition, it needs the support of some professional equipments, and the participant of each participant needs corresponding professional equipment, and what the price of every suit equipment was the most cheap also wants nearly ten thousand, if therefore will carry out the simple video meeting of both sides, light device will several ten thousand pieces.This is also why general of video conference occurs in company or some business situations, and general people does not have ability to buy relevant professional equipment at all.Hardware video conference system only has video interactive and does not have word interactive, the video conferencing system energy video interactive of software version also can word interactive, but two kinds of interaction modes need people manually to click the mouse to carry out switching or two kinds of interaction modes appear at software window always, cause certain bandwidth waste and vision neutral gear, middle constantly manual operation also bothers.
But, along with the development of network technology, also can realize now the chat of many people Online Video, such as, utilize QQ software to carry out many people chat.Although this multi-video chat is more convenient, and do not need the equipment of specialty, but the patency of its Video chat can be subject to the impact of the network condition that user uses, if will carry out some business shows or record, then it can not reach requirement.QQ cannot interactive at word, automatically switch according to network speed between voice interface and video interactive, but manually selected wherein a kind of or word, the interactive several mode of voice and video are shown always simultaneously and carry out simultaneously by user, certain bandwidth sum vision neutral gear can be wasted.Middle constantly manual switchover operation also bothers.Under these prior aries inspire, in present education activities, also start to utilize video technique to carry out some education activities, such as network remote teaching activities, Remote comment, teleconference interaction etc.
But, based on non-private network network remote teaching activities, Remote comment, in teleconference interaction, current remote participates in teaching and research teacher or expert or long-range spokesman or carries out interaction with mode word, or interactive with video mode.Interactive then unstable because of the instability of bandwidth with video mode, be embodied in video card and pause, have " mosaic " phenomenon, audio distortions or " card voice phenomenon " etc.This is also cause video conferencing technology can not launch one of reason come in education activities field.Therefore, how to eliminate Remote Video Conference technology process in use, thus ensure that Remote Video Conference technology can be employed more widely just to have become those skilled in the art institute problem demanding prompt solution in education activities.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of remote teaching video interactive system, smooth not for solving the activity of prior art medium-long range video teaching, usually because the card of video interactive pauses and affects the problem of the normal operation of other interactive models.
For achieving the above object and other relevant object, the invention provides following technical scheme:
A kind of remote teaching video interactive system, comprise server module and multiple display terminal module, described display terminal module is used for downloading instructional video file from server module, and described multiple terminal through internet connects described server module, wherein, described display terminal module comprises: public display module, for playing the described instructional video of display; Video interactive module, for typing interaction person vision signal and carried out showing and exporting; Voice module, for typing interaction person voice signal and carried out playing and exporting; Word display module, is carried out showing and export for typing letter signal; Network speed detecting module, for periodically carrying out packet capturing detecting to the network speed of present terminal, to obtain the time delay of current network and to be exported; Interactive handover module, compare for described time delay and very first time preset value are carried out judgement, if described time delay is less than or equal to the first preset value, then opens described video interactive module, voice module and word display module and from described interactive module, intercept a two field picture and preserved; If described time delay is more than or equal to the first preset value, then closes described interactive module and keep described voice module and word display module to open, and a described two field picture is put into described interactive module show.
Preferably, at above-mentioned remote teaching video interactive system, described interactive handover module also for: described time delay is carried out judgement with the second time preset value and compares, if be greater than the first preset value and be less than the second preset value described time delay, then voice module and word display module is only kept to open; If be more than or equal to the second time preset value described time delay, then close described video interactive module and voice module, and only show described word display module.
In sum, on the basis of the teaching Discussion pattern of routine of the present invention, provide a kind of remote teaching video interactive system, utilize Internet communication technology, realize the discussion between interactive person and interaction, the occasion discussed is not restricted, nor needs expensive conference facility; And, in the network speed detecting that remote teaching video interactive system is arranged, ensure that the fluency of each terminal when carrying out interaction, and can not wait for because of network, the situation such as cassette tape or buffering, eliminates the situation that user needs to wait for, makes teaching evaluation activity more convenient and convenient.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of remote teaching video interactive system of the present invention.
Drawing reference numeral explanation
100 server modules
200 display terminal modules
201 public display modules
202 video interactive modules
203 voice modules
204 word display modules
205 network speed detecting modules
206 interactive handover modules
Embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this instructions can understand other advantage of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this instructions also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.It should be noted that, when not conflicting, the feature in following examples and embodiment can combine mutually.
It should be noted that, the diagram provided in following examples only illustrates basic conception of the present invention in a schematic way, then only the assembly relevant with the present invention is shown in graphic but not component count, shape and size when implementing according to reality is drawn, it is actual when implementing, and the kenel of each assembly, quantity and ratio can be a kind of change arbitrarily, and its assembly layout kenel also may be more complicated.
Existing video conferencing technology, comparative maturity, but it is generally applied to some comparatively formal occasion, such as business meetings or teleconferences etc.In addition, it needs the support of some professional equipments, and the participant of each participant needs corresponding professional equipment, and what the price of every suit equipment was the most cheap also wants nearly ten thousand, if therefore will carry out the simple video meeting of both sides, light device will several ten thousand pieces.This is also why general of video conference occurs in company or some business situations, and general people does not have ability to buy relevant professional equipment at all.Hardware video conference system only has video interactive and does not have word interactive, the video conferencing system energy video interactive of software version also can word interactive, but two kinds of interaction modes need people manually to click the mouse to carry out switching or two kinds of interaction modes appear at software window always, cause certain bandwidth waste and vision neutral gear, middle constantly manual operation also bothers.
But, along with the development of network technology, also can realize now the chat of many people Online Video, such as, utilize QQ software to carry out many people chat.Although this multi-video chat is more convenient, and do not need the equipment of specialty, but the patency of its Video chat can be subject to the impact of the network condition that user uses, if will carry out some business shows or record, then it can not reach requirement.QQ cannot interactive at word, automatically switch according to network speed between voice interface and video interactive, but manually selected wherein a kind of or word, the interactive several mode of voice and video are shown always simultaneously and carry out simultaneously by user, can waste certain bandwidth sum vision neutral gear, and middle constantly manual switchover operation also bothers.
In addition, in present education activities, also do not realize the situations such as investigation or Experts ' Comments by network.Existing course comment or teaching activities, be all allow the people of teacher judging panel or investigation in on-the-spot teaching classroom, line item of going forward side by side, then organizes after class again and sees that a meeting is commented on.
Such investigation activity and Experts ' Comments meeting, need the expensive time, and comparatively fixing for the requirement of when and where, do not have a dirigibility.And if use network carries out network research or teaching comment, so would not be subject to the restriction of when and where, all participants or comment person do not need to go to scene, classroom yet, can carry out participant comment by unrestricted choice when and where.
For realizing above-mentioned idea, see Fig. 1, show the schematic diagram of remote teaching video interactive system of the present invention, as shown in the figure, described remote teaching video interactive system comprises server module 100 and multiple display terminal module 200, described display terminal module 200 is for downloading instructional video file from server module 100, and described multiple terminal through internet connects described server module 100, wherein, described display terminal module 200 comprises: public display module 201, for playing the described instructional video of display; Video interactive module 202, for typing interaction person vision signal and carried out showing and exporting; Voice module 203, for typing interaction person voice signal and carried out playing and exporting; Word display module 204, is carried out showing and export for typing letter signal; Network speed detecting module 205, for periodically carrying out packet capturing detecting to the network speed of present terminal, to obtain the time delay of current network and to be exported; Interactive handover module 206, compare for described time delay and very first time preset value are carried out judgement, if described time delay is less than or equal to the first preset value, then opens described video interactive module 202, voice module 203 and word display module 204 and from described interactive module, intercept a two field picture and preserved; If described time delay is more than or equal to the first preset value, then closes described interactive module and keep described voice module 203 and word display module 204 to open, and a described two field picture is put into described interactive module show.
Pass through said method, interaction person is ensureing that instructional video file (namely each interactive person or participant need the video file of common comment) is downloading to local terminal in advance, thus ensure that participant watches instructional video at the same time, the local network bandwidth can not be taken, thus ensure normally carrying out of interactive module, voice module 203 and word; In addition, and carry out network speed detecting by network speed detecting module 205, immediately to close the interactive module needing to take larger broadband, to ensure normally carrying out of meeting, and the operation of voice module 203 and character module can not be interrupted because of the stagnation of instructional video, even if when interactive module is closed, in order to ensure the atmosphere of meeting, also show a two field picture of intercepting in interactive module.
Particularly, described instructional video file is in advance by uploading onto the server in module 100 after the video recording of recorded broadcast main frame, all display terminal modules 200 can be connected to server module 100 by the account arranged, it can be carried out broadcasting display by interaction person in public display module 201, and can carry out the progress etc. of freely dragging broadcasting.Wherein, described server module 100 comprises database server, system server and WEB server etc.
In addition, the network speed of described remote teaching video interactive system also by carrying out network to current network tests the speed, and automatically selects to open or close which module according to current network speed, thus ensures the fluency of whole interactive process.Wherein, the network speed of network is tested the speed and is the continuous packet capturing that adopts and calculates time delay of twice continuous packet capturing, carry out the situation of network speed with this.Generally, be normally if the time delay of twice continuous packet capturing is not more than 2 seconds, the interaction of video module can be ensured, if be greater than 5 seconds the time delay of twice continuous packet capturing, then represent that network quality is lower, it only can support the interaction of word display module 204.Therefore, can be 2-3 second by described first default settings here, and be 5-6 second by described second default settings.
In sum, on the basis of the teaching Discussion pattern of routine of the present invention, provide a kind of remote teaching video interactive system, utilize Internet communication technology, realize the discussion between interactive person and interaction, the occasion discussed is not restricted, nor needs expensive conference facility; And, in the network speed detecting that remote teaching video interactive system is arranged, ensure that the fluency of each terminal when carrying out interaction, and can not wait for because of network, the situation such as cassette tape or buffering, eliminates the situation that user needs to wait for, makes teaching evaluation activity more convenient and convenient.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (4)
1. a remote teaching video interactive system, it is characterized in that, comprise server module and multiple display terminal module, described display terminal module is used for downloading instructional video file from server module, and described multiple terminal through internet connects described server module, wherein, described display terminal module comprises:
Public display module, for playing the described instructional video of display;
Video interactive module, for typing interaction person vision signal and carried out showing and exporting;
Voice module, for typing interaction person voice signal and carried out playing and exporting;
Word display module, is carried out showing and export for typing letter signal;
Network speed detecting module, for periodically carrying out packet capturing detecting to the network speed of present terminal, to obtain the time delay of current network and to be exported;
Interactive handover module, compare for described time delay and very first time preset value are carried out judgement, if described time delay is less than or equal to the first preset value, then opens described video interactive module, voice module and word display module and from described interactive module, intercept a two field picture and preserved; If described time delay is more than or equal to the first preset value, then closes described interactive module and keep described voice module and word display module to open, and a described two field picture is put into described interactive module show.
2. remote teaching video interactive system according to claim 1, it is characterized in that, described interactive handover module also for: described time delay is carried out judgement with the second time preset value and compares, if be greater than the first preset value and be less than the second preset value described time delay, then voice module and word display module is only kept to open; If be more than or equal to the second time preset value described time delay, then close described video interactive module and voice module, and only show described word display module.
3. remote teaching video interactive system according to claim 1 and 2, is characterized in that, described first default settings is 2-3 second.
4. remote teaching video interactive system according to claim 2, is characterized in that, described second default settings is 5-6 second.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410733643.7A CN104464421B (en) | 2014-12-04 | 2014-12-04 | Remote teaching video interactive system |
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| CN201410733643.7A CN104464421B (en) | 2014-12-04 | 2014-12-04 | Remote teaching video interactive system |
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| CN104464421B CN104464421B (en) | 2017-04-05 |
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Cited By (5)
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| CN105433962A (en) * | 2015-12-23 | 2016-03-30 | 牡丹江师范学院 | Intelligent psychological teaching and psychological testing experiment device |
| CN106355968A (en) * | 2016-11-16 | 2017-01-25 | 北华大学 | Japanese teaching system based on intelligent terminal |
| WO2017173651A1 (en) * | 2016-04-08 | 2017-10-12 | 汤美 | Internet-based education method and system |
| CN109361756A (en) * | 2018-11-08 | 2019-02-19 | 重庆急视飞救科技发展有限公司 | Cross-platform data transmission method based on 120 network alarmings |
| CN117195892A (en) * | 2023-11-08 | 2023-12-08 | 山东十二学教育科技有限公司 | Classroom teaching evaluation method and system based on big data |
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| CN104464421B (en) | 2017-04-05 |
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