CN106303436A - A kind of information-pushing method for long-distance education and system - Google Patents
A kind of information-pushing method for long-distance education and system Download PDFInfo
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- CN106303436A CN106303436A CN201610708330.5A CN201610708330A CN106303436A CN 106303436 A CN106303436 A CN 106303436A CN 201610708330 A CN201610708330 A CN 201610708330A CN 106303436 A CN106303436 A CN 106303436A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
Abstract
The present embodiments relate to a kind of information-pushing method for long-distance education and system, described method includes: first terminal receives the first control instruction that server sends, and the first control instruction comprises the first collection instruction information；First terminal extracts the acquisition parameter of the video and audio collecting device in the first collection instruction information；First terminal gathers the first video/audio during teachers' instruction according to acquisition parameter；First terminal carries out coded treatment to the first video/audio, obtains the first video and audio file, and is sent to server together with the second control information；First video and audio file and the second control information are sent to the second terminal by server；Second terminal is by the first video and audio file decoding and broadcasting, and does the control of correspondence according to the second control information.The method and system that the embodiment of the present invention provides, it is possible to gather video/audio and be processed into video and audio file, by teacher's terminal control student terminal, it is achieved the functions such as the recording of classroom Super Curriculum, scene of attending class real-time live broadcast.
Description
Technical field
The present invention relates to networking technology area, particularly relate to a kind of information-pushing method for long-distance education and system.
Background technology
Along with the development of multimedia technology, communication technology and network technology, distance education technique is gradually popularized.
Long-distance education is also called Web education, refers to utilize the communications media such as TV and the Internet to impart knowledge to students, and it is broken through
The boundary line of space-time, is different from the teaching model that student is directly personally instructed by traditional teacher.Long-distance education by audio frequency, video with
And the computer technology including real-time and non real-time is sent to teacher strength weakness area high-quality educational resources, it is possible to have
Effect solves the problem that educational resource distribution is uneven, it is achieved obtain high-quality educational resources whenever and wherever possible.
But, it is more single that long-distance educational system of the prior art realizes function, it is impossible to meets the needs of classroom instruction.
Summary of the invention
It is an object of the invention to provide a kind of information-pushing method for long-distance education and system, to solve prior art
In long-distance educational system realize function singleness, it is impossible to the problem meeting the needs of classroom instruction.
For achieving the above object, on the one hand, the invention provides a kind of information-pushing method for long-distance education, bag
Including: first terminal receives the first control instruction that server sends, described first control instruction comprises the first collection instruction information；
Described first terminal extracts the acquisition parameter of the video and audio collecting device in described first collection instruction information；
Described first terminal gathers the first video/audio during teachers' instruction according to described acquisition parameter；
Described first terminal carries out coded treatment to described first video/audio, obtains the first video and audio file, and connects
It is sent to described server with the second control information；
Described first video and audio file and the second control information are sent to the second terminal by described server；
Described second terminal by described first video and audio file decoding and broadcasting, and do according to described second control information right
The control answered.
Further, described second control information is specially the control information of photographic head, and described second terminal is according to described
Second control information controls photographic head and carries out video data acquiring.
Further, described second control information is specially audio frequency and plays control information, and described second terminal is according to described
Second control information controls mike and carries out voice data broadcasting.
Further, described second control information is specially audio collection and controls information, and described second terminal is according to described
Second control information controls mike and carries out audio data collecting.
Further, the video/audio data gathered according to described second terminal, control regarding of local terminal by first terminal
Frequently data acquisition and audio data collecting.
Further, at described first terminal, described first video/audio is carried out coded treatment, obtain first and regard sound
After frequency file, described method also includes:
Described first video and audio file is encrypted by described first terminal, obtains encrypting the first video and audio file.
Further, described first video/audio includes:
Teachers' instruction video/audio, student listen to the teacher video/audio, teacher's writing on the blackboard video/audio, courseware of giving lessons regarding sound
Frequency evidence.
On the other hand, the invention provides a kind of information transmission system for long-distance education, described system includes this
First terminal, the second terminal and the server that bright embodiment provides.
The information-pushing method for long-distance education of embodiment of the present invention offer and system, it is possible to all-dimensional multi-angle is adopted
Collection video/audio is also processed into video and audio file, and respective terminal can be utilized between Faculty and Students the most freely to enter
Row video and audio file mutual, teacher's terminal can control student terminal, it is achieved classroom Super Curriculum is recorded, scene of attending class is real-time
The function such as live.
Accompanying drawing explanation
The flow chart of the information-pushing method for long-distance education that Fig. 1 provides for the embodiment of the present invention；
The schematic diagram of the information transmission system for long-distance education that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
Below by drawings and Examples, technical scheme is described in further detail.
Described embodiment is only some embodiments of the present invention rather than whole embodiments.Based on the present invention
In embodiment, those of ordinary skill in the art obtained under not making creative work premise all other implement
Example, broadly falls into the scope of protection of the invention.
The flow chart of the information-pushing method for long-distance education that Fig. 1 provides for the embodiment of the present invention, as it is shown in figure 1,
The information-pushing method for long-distance education of the embodiment of the present invention includes:
Step 101, first terminal receives the first control instruction that server sends, and described first control instruction comprises first
Gather instruction information.
Wherein, first terminal is teacher's lateral terminal, specially has reception video/audio and according to specifying parameter processing
Become the processing equipment of the function of video and audio file.
The important technological parameters of first terminal can be such that
Video input: 5 road 3G-SDI/HD-SDI/SD-SDI, 1 road HDMI, 1 road DVI-D, 1 road Y/PB/PR；
Video supports that 1920 × 1080P gathers display resolution/dual code stream compression resolution and supports 1920 × 1080P+960
×540P；
Multimedia framework agreement: ITU-TH.323/H.320, IETF SIP；
Support the output of DVI/VGA mute hardware；
Coding and decoding video: H.264；
Audio coding decoding: AAC-LD.
The concrete function of first terminal may include that
Support no less than 7 tunnel video channel input and premonitorings；
Support to record generation film mode, multiple resource pattern, support many split screens and multiple switching specially good effect；
Automatically generate teaser or tail during recording, can customize the interpolation of picture teaser or tail；
Support Flash remotely no less than 7 road video premonitorings；
Support that the full HD film mode of 1080P and resources mode are recorded simultaneously；
Support that dual code stream is recorded and live, main bit stream 1080P；
Document recording becomes MP4, FLV form；
Support LOGO/ watermark；
Support remotely control camera pan-tilt and be no less than the interpolation of 6 presetting bits and call；
Premonitoring interface supports that volume shows；
Support audio frequency and video are mutual.
Wherein, the first collection instruction information at least includes:
Gather teacher's panorama instruction information, collection teacher's feature instruction information, collection student's panorama instruction information, gather
Raw feature instruction information and collection are given lessons courseware instruction information etc..
Step 102, described first terminal extracts the collection of the video and audio collecting device in described first collection instruction information
Parameter.
Wherein, video and audio collecting device specifically includes video capture device and audio collecting device.Video capture device has
Body includes that video camera etc., audio collecting device specifically include pick up, furred ceiling mike etc..Acquisition parameter includes photographic head focal length
Adjust parameter, photographic head direction adjusts parameter and furred ceiling mike direction adjusts parameter etc..
Step 103, described first terminal gathers the first video/audio during teachers' instruction according to described acquisition parameter.
Concrete, first terminal utilizes video and audio collection according to the acquisition parameter extracted from the first collection instruction information
Equipment gathers video/audio during teachers' instruction.
Wherein, the first video/audio at least includes: teachers' instruction video/audio, student listen to the teacher video/audio, religion
Teacher's writing on the blackboard video/audio, courseware video/audio of giving lessons.
Such as, first terminal receives the first control instruction that server sends, first comprised in the first control instruction
Gather instruction information and indicate information for gathering teacher's feature, then first terminal gathers instruction information from first and extracts photographic head
Focussing parameter, photographic head direction adjust parameter etc., adjust parameter adjustment photographic head focal length, photographic head direction according to these
Deng, gather feature video/audio during teachers' instruction.
Step 104, described first terminal carries out coded treatment to described first video/audio, obtains the first video and audio literary composition
Part, and it is sent to described server together with the second control information.
Concrete, the first terminal video/audio to collecting is carried out at coding according to preset format and definition etc.
Reason, obtains the video and audio file of specified format and definition.
Wherein, preset format may include that MP4, FLV, RMVB form etc..Definition may include that high definition, common etc..
Second control information is specially the first terminal control information to the second terminal.Second control information at least includes:
The control information of photographic head, audio frequency play control information and audio collection controls information.
The photographic head that second terminal controls local terminal according to the second control information carries out video data acquiring, control mike enters
Row voice data is play and is controlled mike and carries out audio data collecting.
Such as the example in step 103, the feature video/audio during teachers' instruction that first terminal will collect is processed into
The high definition file of FLV form, is sent to server together with to the control information of the second terminal camera.
In order to guarantee data security, before the first video and audio file is sent to server by first terminal, can be to first
Video and audio file stores, and is encrypted, and is being transmitted after obtaining encrypting the first video and audio file.
Step 105, described first video and audio file and the second control information are sent to the second terminal by described server.
Wherein, the second terminal is the processing terminal of far-end student side, and first terminal controls letter by sending to the second terminal
Breath realizes the control to the second terminal, and the second terminal gathers video/audio by the control of first terminal.
Such as the example in step 104, the high definition file of the FLV form that first terminal is sent by server, together with to second
The control information of terminal camera is sent to the second terminal.
The video and audio file given lessons that teacher's lateral terminal is collected by server is sent to multiple the second of far-end student side
Terminal, thus realize the teacher long-distance education function with many classes, save educational resource, and solve educational resource simultaneously and divide
The problem joining inequality.
Step 106, described second terminal is by described first video and audio file decoding and broadcasting, and controls according to described second
Information does the control of correspondence.
The terminal of student side is decoded after receiving the video and audio file of giving lessons that teacher's lateral terminal sends playing, thus obtains
Get the lecture contents of teacher.It addition, the second terminal performs corresponding operation according to the second control information received.
Such as the example in step 105, the high definition file decoding of the FLV form that the server received is sent by the second terminal
Play, meanwhile, control information according to second and control the camera collection voice data of local terminal.
It addition, the embodiment of the present invention is further comprising the steps of:
According to second terminal gather video/audio data, by first terminal control local terminal video data acquiring and
Audio data collecting.
Such as, teacher's lateral terminal is listened to the teacher situation and enquirement situation according to the student that student's lateral terminal feeds back, and proposes student
Problem answer, gather local terminal video/audio be processed into video and audio file after by server be sent to second end
End.
The information-pushing method for long-distance education that the embodiment of the present invention provides, it is possible to all-dimensional multi-angle collection regards sound
Frequency evidence is also processed into video and audio file, and respective terminal can be utilized between Faculty and Students the most freely to carry out regarding sound
Frequency file mutual, teacher's terminal can control student terminal, it is achieved the recording of classroom Super Curriculum, scene of attending class real-time live broadcast etc.
Function.
The schematic diagram of the information transmission system for long-distance education that Fig. 2 provides for the embodiment of the present invention, as in figure 2 it is shown,
The information transmission system for long-distance education of the embodiment of the present invention includes: first terminal 1, server 2 and the second terminal 3.
First terminal 1 receives the first control instruction that server 2 sends, and described first control instruction comprises the first collection and refers to
Show information；First terminal 1 extracts the acquisition parameter of the video and audio collecting device in the first collection instruction information；First terminal 1
The first video/audio during teachers' instruction is gathered according to acquisition parameter；First video/audio is carried out at coding by first terminal 1
Reason, obtains the first video and audio file, and is sent to described server 2 together with the second control information；Server 2 is by the first video and audio
File and the second control information are sent to the second terminal 3；Second terminal 3 by the first video and audio file decoding and broadcasting, and according to
Second control information does the control of correspondence.
Wherein, first terminal is teacher's lateral terminal, specially has reception video/audio and according to specifying parameter processing
Become the processing equipment of the function of video and audio file.Second terminal is the processing terminal of far-end student side, and first terminal is by the
Two terminals send control information and realize the control to the second terminal, and the second terminal is gathered regarding sound by the control of first terminal
Frequency evidence.
Specific works process for the information transmission system of long-distance education has been carried out in embodiment of the method in detail
Describing, here is omitted.
The information transmission system for long-distance education that the embodiment of the present invention provides, it is possible to all-dimensional multi-angle collection regards sound
Frequency evidence is also processed into video and audio file, and respective terminal can be utilized between Faculty and Students the most freely to carry out regarding sound
Frequency file mutual, teacher's terminal can control student terminal, it is achieved the recording of classroom Super Curriculum, scene of attending class real-time live broadcast etc.
Function.
Professional should further appreciate that, each example described in conjunction with the embodiments described herein
Unit and algorithm steps, it is possible to electronic hardware, computer software or the two be implemented in combination in, hard in order to clearly demonstrate
Part and the interchangeability of software, the most generally describe composition and the step of each example according to function.
These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.
Professional and technical personnel can use different methods to realize described function to each specifically should being used for, but this realization
It is not considered that it is beyond the scope of this invention.
The method described in conjunction with the embodiments described herein or the step of algorithm can use hardware, processor to perform
Software module, or the combination of the two implements.Software module can be placed in random access memory (RAM), internal memory, read only memory
(ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technical field
In any other form of storage medium well known in.
Above-described detailed description of the invention, has been carried out the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be it should be understood that the detailed description of the invention that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should comprise
Within protection scope of the present invention.
Claims (8)
1. the information-pushing method for long-distance education, it is characterised in that described method includes:
First terminal receives the first control instruction that server sends, and described first control instruction comprises the first collection instruction letter
Breath；
Described first terminal extracts the acquisition parameter of the video and audio collecting device in described first collection instruction information；
Described first terminal gathers the first video/audio during teachers' instruction according to described acquisition parameter；
Described first terminal carries out coded treatment to described first video/audio, obtains the first video and audio file, and together with
Two control information are sent to described server；
Described first video and audio file and the second control information are sent to the second terminal by described server；
Described second terminal is by described first video and audio file decoding and broadcasting, and does correspondence according to described second control information
Control.
Information-pushing method for long-distance education the most according to claim 1, it is characterised in that described second controls letter
Breath is specially the control information of photographic head, and described second terminal controls photographic head according to described second control information and carries out video counts
According to collection.
Information-pushing method for long-distance education the most according to claim 1, it is characterised in that described second controls letter
Breath is specially audio frequency and plays control information, and described second terminal controls mike according to described second control information and carries out audio frequency number
According to broadcasting.
Information-pushing method for long-distance education the most according to claim 1, it is characterised in that described second controls letter
Breath is specially audio collection and controls information, and described second terminal controls mike according to described second control information and carries out audio frequency number
According to collection.
Information-pushing method for long-distance education the most according to claim 1, it is characterised in that according to described second eventually
The video/audio data that end gathers, controls video data acquiring and the audio data collecting of local terminal by first terminal.
Information-pushing method for long-distance education the most according to claim 1, it is characterised in that at described first terminal
Described first video/audio is carried out coded treatment, and after obtaining the first video and audio file, described method also includes:
Described first video and audio file is encrypted by described first terminal, obtains encrypting the first video and audio file.
Information-pushing method for long-distance education the most according to claim 1, it is characterised in that described first video and audio
Data include:
Teachers' instruction video/audio, student listen to the teacher video/audio, teacher's writing on the blackboard video/audio, courseware video and audio number of giving lessons
According to.
8. the information transmission system for long-distance education, it is characterised in that described system includes as claim 1-7 is arbitrary
First terminal, the second terminal and server described in Xiang.
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| CN201610708330.5A CN106303436A (en) | 2016-08-23 | 2016-08-23 | A kind of information-pushing method for long-distance education and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741646A (en) * | 2018-12-18 | 2019-05-10 | 广雅传媒(武汉)有限公司 | A kind of psychological health education books read recommender system and method |
| CN109801525A (en) * | 2017-11-17 | 2019-05-24 | 深圳市鹰硕技术有限公司 | A kind of teachers and students' multidimensional matching process and system for the Web-based instruction |
| CN109982134A (en) * | 2019-02-27 | 2019-07-05 | 深圳市轱辘汽车维修技术有限公司 | A kind of video teaching method based on diagnostic device, diagnostic device and system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020196789A1 (en) * | 2001-05-15 | 2002-12-26 | Charles Patton | Combining multi-hop and multicast wireless networking in classroom-like settings |
| CN1838194A (en) * | 2006-04-28 | 2006-09-27 | 史长虹 | Personalized remote teaching system and method |
| US20060293048A1 (en) * | 2005-06-27 | 2006-12-28 | Renaissance Learning, Inc. | Wireless classroom response system |
| CN101477754A (en) * | 2008-12-29 | 2009-07-08 | 华中师范大学 | Wireless classroom system |
| CN202075885U (en) * | 2011-05-25 | 2011-12-14 | 东莞八方网络科技有限公司 | Auxiliary education system based on wireless local area network |
| CN103440790A (en) * | 2013-09-14 | 2013-12-11 | 大连联达科技有限公司 | Teaching interactive learning system and method |
| CN104506781A (en) * | 2015-01-05 | 2015-04-08 | 北京塞宾科技有限公司 | Multi-directional audio signal acquisition method and device for on-line teaching |
| CN205247666U (en) * | 2016-01-08 | 2016-05-18 | 新乡职业技术学院 | Long -range english teaching device based on wireless WIFI |
| CN205486928U (en) * | 2015-12-24 | 2016-08-17 | 苏州科技学院 | Portable digital teaching platform system |
-
2016
- 2016-08-23 CN CN201610708330.5A patent/CN106303436A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020196789A1 (en) * | 2001-05-15 | 2002-12-26 | Charles Patton | Combining multi-hop and multicast wireless networking in classroom-like settings |
| US20060293048A1 (en) * | 2005-06-27 | 2006-12-28 | Renaissance Learning, Inc. | Wireless classroom response system |
| CN1838194A (en) * | 2006-04-28 | 2006-09-27 | 史长虹 | Personalized remote teaching system and method |
| CN101477754A (en) * | 2008-12-29 | 2009-07-08 | 华中师范大学 | Wireless classroom system |
| CN202075885U (en) * | 2011-05-25 | 2011-12-14 | 东莞八方网络科技有限公司 | Auxiliary education system based on wireless local area network |
| CN103440790A (en) * | 2013-09-14 | 2013-12-11 | 大连联达科技有限公司 | Teaching interactive learning system and method |
| CN104506781A (en) * | 2015-01-05 | 2015-04-08 | 北京塞宾科技有限公司 | Multi-directional audio signal acquisition method and device for on-line teaching |
| CN205486928U (en) * | 2015-12-24 | 2016-08-17 | 苏州科技学院 | Portable digital teaching platform system |
| CN205247666U (en) * | 2016-01-08 | 2016-05-18 | 新乡职业技术学院 | Long -range english teaching device based on wireless WIFI |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109801525A (en) * | 2017-11-17 | 2019-05-24 | 深圳市鹰硕技术有限公司 | A kind of teachers and students' multidimensional matching process and system for the Web-based instruction |
| CN109801525B (en) * | 2017-11-17 | 2021-05-14 | 深圳市鹰硕技术有限公司 | Teacher-student multidimensional matching method and system for network teaching |
| CN109741646A (en) * | 2018-12-18 | 2019-05-10 | 广雅传媒(武汉)有限公司 | A kind of psychological health education books read recommender system and method |
| CN109982134A (en) * | 2019-02-27 | 2019-07-05 | 深圳市轱辘汽车维修技术有限公司 | A kind of video teaching method based on diagnostic device, diagnostic device and system |
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