CN107945592A - A kind of synchronization mutual assistance Teaching System - Google Patents

A kind of synchronization mutual assistance Teaching System Download PDF

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Publication number
CN107945592A
CN107945592A CN201711070601.XA CN201711070601A CN107945592A CN 107945592 A CN107945592 A CN 107945592A CN 201711070601 A CN201711070601 A CN 201711070601A CN 107945592 A CN107945592 A CN 107945592A
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video
class
machine
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CN107945592B (en
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杨斌
杨瑞桐
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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
    • G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • 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
    • H04N21/2187—Live feed
    • 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
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
    • 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
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/76—Addressed sensors, e.g. MOS or CMOS sensors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • 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
    • H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Human Computer Interaction (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The present invention provides a kind of synchronous mutual assistance Teaching System, configures main subject hall unit and two distance-learning class units.Main subject hall unit is arranged on as fine work recorded broadcast classroom, has interactive terminal.Two distance-learning class units are provided with normalization recording and broadcasting system, are equipped with the equipment such as interactive terminal, high-definition camera, sound pick-up, audio processor, all-in-one machine, speaker substantially.All referring to the sound to microphone pickup classroom all directions, through the high-quality processing of audio processor.Cloud recorded broadcast platform realizes the form for joining school by network, and by interactive teaching, peering helping, realizes high quality resource-sharing, reaches the target of educational Equilibrium.Mode in this way, can allow the child of weak school to enjoy good educational resource, at the same time, during interactive teaching, jointly prepared lessons by One Teacher, tutor, Reflective Teaching, Teaching evaluation system, realizes teacher career development, while realizes collecting for high-quality resource.

Description

A kind of synchronization mutual assistance Teaching System
Technical field
The present invention relates to teaching field, more particularly to a kind of synchronous mutual assistance Teaching System.
Background technology
Traditional teaching pattern is exactly the teaching that a teacher is responsible for a classroom, in one teacher of section at the same time It can not be the student synchronization guided teaching in other classrooms.And it also limit the shared of high-quality teacher resource.It can not make more Student can enjoy the education of high-quality teacher.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, the present invention provides a kind of synchronous mutual assistance Teaching System, bag Include：Cloud recorded broadcast platform, main subject hall unit, the first distance-learning class unit, the second distance-learning class unit；
Main subject hall unit includes：Active router, PC machine, main exhibition booth, video acquiring module, audio acquisition module；
Video acquiring module and audio acquisition module are connected with PC machine respectively, and video acquiring module is obtained in main subject hall Video information, and the video information of the main subject hall of acquisition is sent to PC machine；Audio acquisition module obtains the audio in main subject hall Information, and the audio-frequency information of the main subject hall of acquisition is sent to PC machine；
PC machine is arranged on classroom lectern position, and PC machine is connected by active router with cloud recorded broadcast platform, PC machines will by regarding The video information of main subject hall and the audio-frequency information of main subject hall that frequency acquisition module and audio acquisition module obtain are uploaded to cloud recorded broadcast Platform；
First distance-learning class unit includes：The first router, the first distance-learning class PC machine, the first video acquiring module, the One audio acquisition module, the first display module；
First distance-learning class PC machine is connected by the first router with cloud recorded broadcast platform, and the first distance-learning class PC machine passes through Cloud recorded broadcast platform obtains the video information of main subject hall and the audio-frequency information of main subject hall that main subject one's parents pass；
First video acquiring module, the first audio acquisition module, the first display module respectively with the first distance-learning class PC machine Connection, the first display module are used for the audio-frequency information of the video information and main subject hall in the first distance-learning class displaying main subject hall；The One video acquiring module obtains the video information in the first distance-learning class, and by the video information of the first distance-learning class of acquisition Send to the first distance-learning class PC machine；Audio acquisition module obtains the audio-frequency information in the first distance-learning class, and by the of acquisition The audio-frequency information of one distance-learning class is sent to the first distance-learning class PC machine；
First distance-learning class PC machine is remote by obtained by the first video acquiring module and the first audio acquisition module first The audio-frequency information of the video information in journey classroom and the first distance-learning class is uploaded to cloud recorded broadcast platform；
Second distance-learning class unit includes：The second router, the second distance-learning class PC machine, the second video acquiring module, the Two audio acquisition modules, the second display module；
Second distance-learning class PC machine is connected by the second router with cloud recorded broadcast platform, and the second distance-learning class PC machine passes through Cloud recorded broadcast platform obtains the video information of main subject hall and the audio-frequency information of main subject hall that main subject one's parents pass；
Second video acquiring module, the second audio acquisition module, the second display module respectively with the second distance-learning class PC machine Connection, the second display module are used for the audio-frequency information of the video information and main subject hall in the second distance-learning class displaying main subject hall；The Two video acquiring modules obtain the video information in the second distance-learning class, and by the video information of the second distance-learning class of acquisition Send to the second distance-learning class PC machine；Audio acquisition module obtains the audio-frequency information in the second distance-learning class, and by the of acquisition The audio-frequency information of two distance-learning class is sent to the second distance-learning class PC machine；
Second distance-learning class PC machine is remote by obtained by the second video acquiring module and the second audio acquisition module second The audio-frequency information of the video information in journey classroom and the second distance-learning class is uploaded to cloud recorded broadcast platform；
Main exhibition booth is used to show the video information in main subject hall respectively, video information in the first distance-learning class and the Video information in two distance-learning class.
Preferably, main subject hall unit further includes：First distance-learning class video acquiring module, the second distance-learning class video obtain Modulus block, the first distance-learning class audio acquisition module, the second distance-learning class audio acquisition module；
First distance-learning class video acquiring module is used to obtain the upload of the first distance-learning class PC machines in cloud recorded broadcast platform The video information of first distance-learning class；
Second distance-learning class video acquiring module is used to obtain the upload of the second distance-learning class PC machines in cloud recorded broadcast platform The video information of first distance-learning class；
First distance-learning class audio acquisition module is used to obtain the upload of the first distance-learning class PC machines in cloud recorded broadcast platform The audio-frequency information of first distance-learning class；
Second distance-learning class audio acquisition module is used to obtain the upload of the second distance-learning class PC machines in cloud recorded broadcast platform The audio-frequency information of first distance-learning class.
Preferably, cloud recorded broadcast platform includes：Resource points broadcasting module, the live module of resource, resource points are discussed and select model workers block, personal empty Between module,
Resource points broadcasting module is used to show curriculum video by parametric classifications such as the customized subject of school, grades, makes PC Machine, the first distance-learning class PC machine and the second distance-learning class PC machine viewing curriculum video, and course search is provided, there is provided course Online comment；
The live module of resource is used to show current live video by parametric classifications such as the customized subject of school, grades, makes PC machine, the first distance-learning class PC machine and the second live current video of distance-learning class PC machine, and support live video search, branch Live video is held to comment on online；
Resource points discuss and select model workers block for making comments during live program request, are shown in the comment area of video；According to mark of listening to the teacher Quasi-mode block and evaluation criteria module carry out course comment, and evaluation criteria is supported self-defined；Offer is listened to the teacher notes function；Offer is listened Class record collects；Offer, which is listened to the teacher, comments class to count；
Personal space module is used to provide personal space for teacher, student, and space includes：Personal document's management submodule, Class management submodule, listen to the teacher management submodule, notes management submodule, comment class management submodule, activity management submodule, Share management submodule, message management submodule, personal information management submodule, video machining function submodule.
Preferably, personal document manages submodule and the file for uploading, collecting is managed for providing, according to attribute Classify, there is provided download, sharing function；
Class management submodule is used to establish classroom according to school timetable, and teacher can be to data such as the document in classroom, videos It is added, delete operation, student may be viewed by the data such as document in classroom, video and be previewed, be reviewed；
Management submodule of listening to the teacher, which is used to managing individual, listens to the teacher record, course types that display individual has listened to the teacher, quantity, into Spend, listen to the teacher the time；
Notes management submodule is used to manage self-study notes, the personal course learnt of record and learning time；
Comment class management submodule to be used to check class task to be evaluated and enter evaluation, can check that history comments class to record；
Activity management submodule is used to check the personal teaching activities participated in；
Share management submodule to be used to check that individual shares, individual is shared with others' document, video electronic data；
Message management submodule is used to send message in receiving station, and message format is in the form of text；
Personal information management submodule is used to setting human head picture, brief introduction, mailbox, phone, password to reset, etc. related letter Breath；
Video machining function submodule is used for realization the multi-channel video editing from personal document's management and synthesizes, individually right Video carries out getting mark ready all the way.
Preferably, cloud recorded broadcast platform further includes：Molded tissue block is created, line module is added, creates live classroom module, Class hour configuration module, create connection school space module, impart knowledge to students configuration module, preengage curriculum module,
Create molded tissue block be used for add educational institution's title, under educational institution's Names Catalogue addition teaching classification with And teaching location information is set；
Add line module to be used under selected educational institution's title, add teacher, form teacher's list；
Live classroom module is created for the teaching programme according to educational institution, configures main subject hall unit title, affiliated religion Type is learned, inputs teaching equipment, the channel mode of the first distance-learning class unit and the second distance-learning class unit is configured, matches somebody with somebody respectively Put the IP of the IP of main subject hall unit, the IP of the first distance-learning class unit and the second distance-learning class unit；
Configuration module was used to configure course name and attended class and the play time class hour；
Connection school space module is created to be used for main subject hall unit, the first distance-learning class unit and the second distance-learning class unit Connection school space is configured to, the first distance-learning class unit and the second distance-learning class unit is shared to the teaching of main subject hall unit；
Configuration module of imparting knowledge to students is used for the title and the addition auxiliary title for saying teacher in branch school for providing selection One Teacher, sets Branch school is benefited the number of student；
Reservation curriculum module logs on cloud recorded broadcast platform for student by the user of One Teacher, preengages the master Say the course of teacher.
Preferably, main exhibition booth is equipped with information display area, interactive list display area；
Information display area shows the school information of main subject hall, teacher's information, curriculum information；
Interactive list display area shows the interactive information that current course will start, and course starts over time, course Interactive title, course interaction sequence number.
Preferably, the first distance-learning class PC machine selects main subject hall by human-computer interaction device, can the multiple main subjects of simultaneous selection Hall；First distance-learning class PC machine is listened to the teacher immediately by selection, enters the state of listening to the teacher；If teaching end is entering the interactive period, First distance-learning class PC machine is initiated and main classroom interaction；
If timing is given a course, the first distance-learning class PC machine arranges the time given a course；After the time given a course is set, The content given a course is included into curriculums table；After giving a course, the first distance-learning class PC machine establishes live list automatically；Speaker end Process of giving lessons, carry out recorded broadcast record, and resource content be uploaded to cloud recorded broadcast platform；
Second distance-learning class PC machine selects main subject hall by human-computer interaction device, can the multiple main subject halls of simultaneous selection；Second Distance-learning class PC machine is listened to the teacher immediately by selection, enters the state of listening to the teacher；If teaching end is entering the interactive period, second is remote Journey classroom PC machine is initiated and main classroom interaction；
If timing is given a course, the second distance-learning class PC machine arranges the time given a course；After the time given a course is set, The content given a course is included into curriculums table；After giving a course, the second distance-learning class PC machine establishes live list automatically.
Preferably, PC machine includes：Integrated embedded host, 1U cabinets, ARM dual core processor Linux systems are built-in 1T hard disks；Preposition liquid crystal panel is set, coordinates front mounted buttons that IP address, system information, network, the volume of host can be directly set Code, holder parameter；It is preposition to start, suspend, stopping key, control recording process and there is corresponding LED light to show work at present shape State；Preposition USB port, video recording resource can be copied automatically after being inserted into USB storage devices；
Video acquiring module supports 3 road HD-SDI inputs, and 1 road VGA outputs are supported in 1 road DVI-I inputs, and 1 road HDMI is defeated Go out, DVI rings go out output all the way；Video frequency coding rate：256k to 8M is adjustable；Main bit stream is 1M-8Mbps, and sub-code stream is 256K- 1Mbps；
Audio acquisition module inputs for microphone, frequency response 100hz-10Khz；1 route road inputs, circuit frequency response 20hz- 19khz±1db；Signal-to-noise ratio ＞ 65db, distortion factor ＜ 0.1%, audio sample rate 32KHz, 1 road audio select, has automatic increase Beneficial function：Control range >=40db, starts to control point -30db, carries gain time constant ＜ 1 second；
PC machine further includes：Control module and mixed-media network modules mixed-media；Control module can external tracing machine, control for 6 road RS232 Panel, camera pan-tilt, 1 road RS422 or RS485 can control video camera；Mixed-media network modules mixed-media：Possesses 1 10/100/1000Mbps Adaptive network interface, supports local instructor in broadcasting.
Preferably, video acquiring module includes：High definition feature video camera, high definition panorama video camera, image detector, intelligence Can tracking system module；
High definition feature video camera output format：HD:1080p/60,1080p/50,1080i/60,1080i/50, 1080p/ 30,1080p/25,720p/120,720p/60,720p/50,720p/30,720p/25,640x480p/240, camera lens：12x, F3.5mm~42.3mm, F1.8~F2.8 32x, output interface：Support the output of HDMI high definitions, it is another to be equipped with 3G-SDI interfaces, have Effect transmission range highest is up to 150 meters (1080p30)；HDMI, SDI, three tunnel of network can export at the same time；Also support CVBS SD Export 72.5 ° of wide-angle lens+32x digital zooms：Using the super wide zoom lens of 72.5 ° of high-quality, optical zoom reaches 12 times, and props up 32 times of digital zooms are held, H.265/H.264/MJEPG support encodes, and realizes the ultralow bandwidth for transmission of full HD 1080p/60fps； Support AAC audio codings；Equipped with Face datection, equipped with local storage, local storage function is supported, can be achieved without NVR USB flash disk local direct recording；Brand-new cmos image sensor equipped with superelevation to-noise ratio can be reduced effectively in low light situations Picture noise, while 2D and 3D noise reduction algorithms are applied, picture noise is significantly reduced, even in the case of ultra-low illumination, still Holding picture is totally clear, and signal noise ratio (snr) of image is up to more than 55dB；PC machine uses RS232 and RS485 serial ports, can be to video camera It is controlled；Highest level rotating speed:100 degrees seconds, scope：1.7 °~100 °/s, the vertical rotating speed of highest:69.9 degrees seconds；Pass through PC machine sets the function of control video camera；
Intelligent tracking system module is identified for intelligent image, and multiple movable processes are realized with reference to specific occasion Recognition and tracking, directly analyzes recorded video image, without installing any location equipment in classroom, fully achieves normality Change teaching；Using stabilization characteristics of human body's track algorithm；Support the shooting of feature pattern.
Audio acquisition module includes：Omnidirectional's sound pick-up；Omnidirectional's sound pick-up frequency range：40-18000Hz, sensitivity：- 35dB；Pickup angle：360°；Maximum sound pressure level：132dB, impedance：200 Ω, signal-to-noise ratio：≥70dB.
Preferably, cloud recorded broadcast platform further includes：Synchronous mutual assistance class management module, joins school space representation module and connection School space management module；
Synchronous mutual assistance class management module is used to provide establishment connection school space to the user, and creating connection school space includes：Main subject The selection of hall unit speaker school, the establishment of the school of listening to the teacher of distance-learning class unit, connection school name in a name space claim to set, name of giving lessons Claim, the benefited number of the school of listening to the teacher of configuration connection school space medium-long range classroom unit and the course teaching time for joining school space；
After joining school space representation module for synchronous mutual assistance class management module creation connection school space, in cloud recorded broadcast platform On be shown, and in units of week, or in units of the moon, or connection school space is shown in the form of in units of season Title, joins the course teaching time in school space, joins the speaker school in school space and school of listening to the teacher；
When connection school space management module in connection school space for perform teaching, during acquisition remote teaching in real time Data message, and the teaching process during remote teaching and teaching number are carried out by joining school space representation module real When show.
As can be seen from the above technical solutions, the present invention has the following advantages：
Synchronous mutual assistance Teaching System configuration main subject hall unit and two distance-learning class units.Main subject hall unit is set For fine work recorded broadcast classroom, there is interactive terminal.Two distance-learning class units are provided with normalization recording and broadcasting system, basic to be equipped with The equipment such as interactive terminal, high-definition camera, sound pick-up, audio processor, all-in-one machine, speaker.Main subject hall or remote synchronization classroom Camera acquisition teacher or student video.All referring to the sound to microphone pickup classroom all directions, through audio processor High-quality processing.
The equipment collection classroom in each classroom or the audio and video of student, by cloud recorded broadcast platform by main subject hall and remote synchronization Classroom forms a whole, and realizes mutual real-time interactive, and main subject hall and remote synchronization classroom pass through all-in-one machine and sound Case watches and listen the audio and video of other side in real time, and process of attending class main subject hall and remote synchronization classroom mutually can put question to and answer, and realizes Really " " interaction is answerred questions face-to-face.
Main subject hall unit and two distance-learning class units are used to the film mode audio and video of main subject hall being transmitted to long-range same Classroom is walked, and passes the audio and video in remote synchronization classroom back main subject hall, completes the process of interaction.
The equipment that main subject hall unit and two distance-learning class units are equipped with possesses high-performance codec functions, using SSD, Operating system and application software directly cure；It can be operated by start of IR remote controller control device, software, shutdown etc., if Standby start is the interactive school timetable content of display platform push, interactive list may be selected by IR remote controller, and it is defeated to possess password Enter, picture switching, broadcast sound volume, the function such as control of microphone volume.Support video output, can be connect greatly by VGA or HDMI Screen display device, display device is directly output to by the vision signal distally to come, and support is shown to 2 different screens, Multiple and different pictures can also be shown on one screen at the same time.While interaction can be completed between two classrooms, branch Hold echo cancellation performance.The access of systems support high fidelity directional microphone, can reduce live sound to greatest extent.
Main subject hall unit and two distance-learning class units are linked as an entirety by cloud recorded broadcast platform.Its medium cloud The design and planning that recorded broadcast platform building is planned as a whole at area information center, the development to synchronous mutual assistance classroom, and after class The application effect of statistical analysis, the fully synchronous mutual assistance classroom equipment of lifting is carried out to the development condition of activity.Main subject hall construction exists High-quality school, it is contemplated that interactive class is mostly that prominent teacher undertakes, and the video of prominent teacher is great use value, by master Classroom is built in main subject hall unit, can carry out auto-tracking shooting to teacher；Remote synchronization classroom is built in helping school, Mainly receive the teaching-guiding in speaker classroom.
Cloud recorded broadcast platform realizes the form for joining school by network, and by interactive teaching, peering helping, realizes high-quality resource It is shared, reach the target of educational Equilibrium.Mode in this way, can allow the child of weak school to enjoy good education money Source, meanwhile, during interactive teaching, jointly prepared lessons by One Teacher, tutor, Reflective Teaching, teaching evaluation System, realizes teacher career development, while realizes collecting for high-quality resource.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, letter will be made to attached drawing needed in description below Singly introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, common for this area For technical staff, without creative efforts, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the overall schematic of synchronous mutual assistance Teaching System；
Fig. 2 shows that interactive interface is intended to for class hour configuration；
Fig. 3 is the IP interactive interface schematic diagrames of configuration main subject hall unit；
Fig. 4 is reservation course interactive interface schematic diagram；
Fig. 5 is distance-learning class interaction interactive interface schematic diagram；
Fig. 6 is interactive interface schematic diagram of periodically giving a course；
Fig. 7 creates schematic diagram for connection school space；
Fig. 8 is connection school space representation schematic diagram.
Embodiment
Goal of the invention, feature, advantage to enable the present invention is more obvious and understandable, will use below specific Embodiment and attached drawing, the technical solution protected of the present invention is clearly and completely described, it is clear that reality disclosed below It is only part of the embodiment of the present invention to apply example, and not all embodiment.It is general based on the embodiment in this patent, this area All other embodiment that logical technical staff is obtained without making creative work, belongs to this patent protection Scope.
The present embodiment provides a kind of synchronous mutual assistance Teaching System, as shown in Figure 1, including：Cloud recorded broadcast platform 4, main subject Hall unit 1, the first distance-learning class unit 2, the second distance-learning class unit 3；
Main subject hall unit 1 includes：Active router 11, PC machine 12, main exhibition booth 15, video acquiring module 13, audio obtain mould Block 14；
Video acquiring module 13 and audio acquisition module 14 are connected with PC machine 12 respectively, and video acquiring module 13 obtains master Video information in classroom, and the video information of the main subject hall of acquisition is sent to PC machine 12；Audio acquisition module 14 obtains master Audio-frequency information in classroom, and the audio-frequency information of the main subject hall of acquisition is sent to PC machine 12；
PC machine 12 is arranged on classroom lectern position, and PC machine 12 is connected by active router 11 with cloud recorded broadcast platform 4, PC machine 12 believe the video information of the main subject hall obtained by video acquiring module 13 and audio acquisition module 14 and the audio of main subject hall Breath is uploaded to cloud recorded broadcast platform 4；
First distance-learning class unit 2 includes：The first router 21, the first distance-learning class PC machine 22, the first video acquisition mould Block 23, the first audio acquisition module 24, the first display module 25；
First distance-learning class PC machine 22 is connected by the first router 21 with cloud recorded broadcast platform 4, the first distance-learning class PC machine 22 obtain the video information of main subject hall and the audio-frequency information of main subject hall that main subject one's parents pass by cloud recorded broadcast platform；
First video acquiring module 23, the first audio acquisition module 24, the first display module 25 respectively with the first long-range class Hall PC machine 22 connects, and first display module 25 is used for video information and main subject hall in the first distance-learning class displaying main subject hall Audio-frequency information；First video acquiring module 23 obtains the video information in the first distance-learning class, and by the first of acquisition the long-range class The video information of hall is sent to the first distance-learning class PC machines 22；Audio acquisition module 24 obtains the audio in the first distance-learning class Information, and the audio-frequency information of the first distance-learning class of acquisition is sent to the first distance-learning class PC machine 22；
First distance-learning class PC machine 22 will be obtained by the first video acquiring module 23 and the first audio acquisition module 24 The audio-frequency information of the video information of first distance-learning class and the first distance-learning class is uploaded to cloud recorded broadcast platform 4；
Second distance-learning class unit 3 includes：The second router 31, the second distance-learning class PC machine 32, the second video acquisition mould Block 33, the second audio acquisition module 34, the second display module 35；Second distance-learning class PC machine 32 passes through the second router and cloud Recorded broadcast platform 4 connects, and the second distance-learning class PC machine 32 obtains the video for the main subject hall that main subject one's parents pass by cloud recorded broadcast platform 4 The audio-frequency information of information and main subject hall；Second video acquiring module 33, the second audio acquisition module 34, the second display module 35 It is connected respectively with the second distance-learning class PC machine 32, the second display module 35 is used for regarding in the second distance-learning class displaying main subject hall The audio-frequency information of frequency information and main subject hall；Second video acquiring module 33 obtains the video information in the second distance-learning class, and will The video information of the second distance-learning class obtained is sent to the second distance-learning class PC machine 32；Audio acquisition module 34 obtains second Audio-frequency information in distance-learning class, and the audio-frequency information of the second distance-learning class of acquisition is sent to the second distance-learning class PC machine 32；
Second distance-learning class PC machine 32 will be obtained by the second video acquiring module 33 and the second audio acquisition module 34 The audio-frequency information of the video information of second distance-learning class and the second distance-learning class is uploaded to cloud recorded broadcast platform 4；Main exhibition booth 15 is used for The video information in main subject hall, the video information in the first distance-learning class and the video in the second distance-learning class are shown respectively Information.
Synchronous mutual assistance Teaching System has opened up " ' 1+2 ' synchronization mutual assistance classroom teaching model ".1 is main subject hall list Member, 2 be the first distance-learning class unit and the second distance-learning class unit.With information-based means wing has been plugged for professional teachers Wing, professional teachers have been sent for remote countryside primary school.The maximum feature of " ' 1+2 ' synchronization mutual assistance classroom teaching model ", is exactly one A teacher can at most give lessons for the student synchronization in 3 classrooms at the same time, and mutual cross streams, guidance learning, is different from a teacher and bears Blame the traditional teaching mode in a classroom.Under Information Environment, with video conferencing system technical principle, cloud recorded broadcast is relied on Platform and interactive terminal equipment, learn in recorded broadcast classroom lectures.
Synchronous mutual assistance Teaching System One Teacher is same towards main subject hall and two remote synchronization classrooms in main subject hall When give lessons, instruct three classrooms student learnt.Two remote synchronization classrooms arrange a tutor respectively, teach Teacher is responsible for the tissue teaching in remote synchronization classroom, coordinates classroom interactions, student that One Teacher is carried out in teaching process mutual It is dynamic, the learning activities such as Inspection situation.
Why the classroom teaching model of synchronous mutual assistance Teaching System, be defined as " ' 1+2 ' synchronization mutual assistance classroom religion Pattern ", rather than " ' 1+N ' synchronization mutual assistance classroom teaching model "Mainly consider the energy of teacher, classroom instruction The factors such as the completion of task, the maximization of classroom teaching efficiency, the optimization of classroom teaching effect, a teacher at most can be with Give lessons at the same time for the student synchronization in 3 classrooms, mutual cross streams, guidance learning.
Synchronous mutual assistance Teaching System is in certain second experimental school of town, certain the six, the 7th primary school of town as pilot class Hall, by viewing and emulating investigation on the spot, it is special to solve the subjects such as the remote primary school's music in rural area, the fine arts, English with IT application in education sector means One good approach of industry teacher deficiency, has great promotional value.
The main subject hall unit of synchronous mutual assistance Teaching System, is arranged on as fine work recorded broadcast classroom, increases on this basis Core equipment interactive terminal；First distance-learning class unit and the long-range mutual assistance classroom of the second distance-learning class unit two, are provided with often State recording and broadcasting system, substantially be equipped with interactive terminal, high-definition camera (student's panorama), all referring to sound pick-up, audio processor, The equipment such as all-in-one machine, speaker.Main subject hall or the camera acquisition teacher in remote synchronization classroom or the video of student.All referring to picking up Sound device picks up the sound of classroom all directions, through the high-quality processing of audio processor.The interactive terminal equipment collection classroom in each classroom Or the audio and video of student, by system mutual platform software, main subject hall and remote synchronization classroom are formed through Bureau of Education's network One entirety, realizes mutual real-time interactive, and main subject hall and remote synchronization classroom are received in real time by all-in-one machine and speaker The audio and video for watching other side are listened, process of attending class main subject hall and remote synchronization classroom mutually can put question to and answer, and realize really " " interaction is answerred questions face-to-face.Interactive terminal equipment is mainly used for the film mode audio and video of main subject hall being transmitted to remote synchronization Classroom, and pass the audio and video in remote synchronization classroom back main subject hall, complete the process of interaction.Possesses high-performance inside the equipment Codec functions, using SSD, operating system and application software directly cure；Can opening by IR remote controller control device Machine, software operation, shutdown etc., the interactive school timetable content of device power-up, that is, display platform push are optional by IR remote controller Interactive list is selected, and possesses Password Input, picture switching, broadcast sound volume, the function such as control of microphone volume.It can be taught between two While completing interactive between room, echo cancellation performance is supported.The access of systems support high fidelity directional microphone, can be right Live sound reduces to greatest extent.
During opening up, share three different school classrooms and participate, first, main subject hall, two being two remote synchronizations Classroom, an entirety is linked as by interactive cloud platform.Wherein interactive cloud platform is built at area information center, to same The design and planning that the development in step mutual assistance classroom is planned as a whole, and statistical analysis is carried out to the development condition of activity after class, fill Divide the application effect of the synchronous mutual assistance classroom equipment of lifting.The construction of main subject hall is in high-quality school, it is contemplated that interactive class is mostly outstanding religion Transmission from master to disciple load, and the video of prominent teacher is great use value, it is proposed that by the construction of main subject hall in fine work recorded broadcast classroom (full-automatic tracking recorded broadcast classroom), can carry out auto-tracking shooting to teacher；Remote synchronization classroom is built in helping school, Mainly receive the teaching-guiding in speaker classroom, it is proposed that completing audio-video collection using normalization recording and broadcasting system.
Network joins school interaction platform, realizes the form for joining school by network, by interactive teaching, peering helping, is realized excellent Matter resource-sharing, reaches the target of educational Equilibrium.Mode in this way, can allow child's enjoyment of weak school good Educational resource, meanwhile, during interactive teaching, jointly prepared lessons by One Teacher, tutor, Reflective Teaching, religion Appraisement system is learned, realizes teacher career development, while realize collecting for high-quality resource.
In the present embodiment, main subject hall unit 1 further includes：First distance-learning class video acquiring module, the second distance-learning class regard Frequency acquisition module, the first distance-learning class audio acquisition module, the second distance-learning class audio acquisition module；First distance-learning class regards Frequency acquisition module is used for the video letter that the first distance-learning class of the first distance-learning class PC machine upload is obtained in cloud recorded broadcast platform Breath；Second distance-learning class video acquiring module is used to obtain the first of the upload of the second distance-learning class PC machine in cloud recorded broadcast platform The video information of distance-learning class；First distance-learning class audio acquisition module is used to obtain the first long-range class in cloud recorded broadcast platform The audio-frequency information for the first distance-learning class that hall PC machine uploads；Second distance-learning class audio acquisition module is used in cloud recorded broadcast platform The interior audio-frequency information for obtaining the first distance-learning class that the second distance-learning class PC machine uploads.
In the present embodiment, cloud recorded broadcast platform includes：Resource points broadcasting module, the live module of resource, resource points are discussed and select model workers block, a People's space module,
Resource points broadcasting module is used to show curriculum video by parametric classifications such as the customized subject of school, grades, makes PC Machine, the first distance-learning class PC machine and the second distance-learning class PC machine viewing curriculum video, and course search is provided, there is provided course Online comment；
The live module of resource is used to show current live video by parametric classifications such as the customized subject of school, grades, makes PC machine, the first distance-learning class PC machine and the second live current video of distance-learning class PC machine, and support live video search, branch Live video is held to comment on online；
Resource points discuss and select model workers block for making comments during live program request, are shown in the comment area of video；According to mark of listening to the teacher Quasi-mode block and evaluation criteria module carry out course comment, and evaluation criteria is supported self-defined；Offer is listened to the teacher notes function；Offer is listened Class record collects；Offer, which is listened to the teacher, comments class to count；
Personal space module is used to provide personal space for teacher, student, and space includes：Personal document's management submodule, Class management submodule, listen to the teacher management submodule, notes management submodule, comment class management submodule, activity management submodule, Share management submodule, message management submodule, personal information management submodule, video machining function submodule.
The file for uploading, collecting is managed for providing specifically, personal document manages submodule, according to attribute Classify, there is provided download, sharing function；
Class management submodule is used to establish classroom according to school timetable, and teacher can be to data such as the document in classroom, videos It is added, delete operation, student may be viewed by the data such as document in classroom, video and be previewed, be reviewed；
Management submodule of listening to the teacher, which is used to managing individual, listens to the teacher record, course types that display individual has listened to the teacher, quantity, into Spend, listen to the teacher the time；
Notes management submodule is used to manage self-study notes, the personal course learnt of record and learning time；
Comment class management submodule to be used to check class task to be evaluated and enter evaluation, can check that history comments class to record；
Activity management submodule is used to check the personal teaching activities participated in；
Share management submodule to be used to check that individual shares, individual is shared with others' document, video electronic data；
Message management submodule is used to send message in receiving station, and message format is in the form of text；
Personal information management submodule is used to setting human head picture, brief introduction, mailbox, phone, password to reset, etc. related letter Breath；
Video machining function submodule is used for realization the multi-channel video editing from personal document's management and synthesizes, individually right Video carries out getting mark ready all the way.
In the present embodiment, as shown in Figure 2, Figure 3 and Figure 4, cloud recorded broadcast platform further includes：Molded tissue block is created, adds user Module, creates live classroom module, class hour configuration module, create connection school space module, configuration module of imparting knowledge to students, preengages course mould Block,
Create molded tissue block be used for add educational institution's title, under educational institution's Names Catalogue addition teaching classification with And teaching location information is set；
Add line module to be used under selected educational institution's title, add teacher, form teacher's list；
Live classroom module is created for the teaching programme according to educational institution, configures main subject hall unit title, affiliated religion Type is learned, inputs teaching equipment, the channel mode of the first distance-learning class unit and the second distance-learning class unit is configured, matches somebody with somebody respectively Put the IP of the IP of main subject hall unit, the IP of the first distance-learning class unit and the second distance-learning class unit；
Configuration module was used to configure course name and attended class and the play time class hour；
Connection school space module is created to be used for main subject hall unit, the first distance-learning class unit and the second distance-learning class unit Connection school space is configured to, the first distance-learning class unit and the second distance-learning class unit is shared to the teaching of main subject hall unit；
Configuration module of imparting knowledge to students is used for the title and the addition auxiliary title for saying teacher in branch school for providing selection One Teacher, sets Branch school is benefited the number of student；
Reservation curriculum module logs on cloud recorded broadcast platform for student by the user of One Teacher, preengages the master Say the course of teacher.
In the present embodiment, main exhibition booth is equipped with information display area, interactive list display area；Information display area shows main subject hall School information, teacher's information, curriculum information；Interactive list display area shows the interactive information that current course will start, Course starts over time, course interaction title, course interaction sequence number.
In the present embodiment, as shown in Figure 5 and Figure 6, the first distance-learning class PC machine selects main subject by human-computer interaction device Hall, can the multiple main subject halls of simultaneous selection；First distance-learning class PC machine is listened to the teacher immediately by selection, enters the state of listening to the teacher；If Teaching end is entering the interactive period, and the first distance-learning class PC machine is initiated and main classroom interaction；
If timing is given a course, the first distance-learning class PC machine arranges the time given a course；After the time given a course is set, The content given a course is included into curriculums table；After giving a course, the first distance-learning class PC machine establishes live list automatically；Speaker end Process of giving lessons, carry out recorded broadcast record, and resource content be uploaded to cloud recorded broadcast platform；
Second distance-learning class PC machine selects main subject hall by human-computer interaction device, can the multiple main subject halls of simultaneous selection；Second Distance-learning class PC machine is listened to the teacher immediately by selection, enters the state of listening to the teacher；If teaching end is entering the interactive period, second is remote Journey classroom PC machine is initiated and main classroom interaction；
If timing is given a course, the second distance-learning class PC machine arranges the time given a course；After the time given a course is set, The content given a course is included into curriculums table；After giving a course, the second distance-learning class PC machine establishes live list automatically.
First distance-learning class PC machine and the second distance-learning class PC machine select school by human-computer interaction device respectively, and really It is fixed, multiple schools can be selected.By giving a course immediately, interactive state can be immediately entered, the online, free time is held if paid attention to the class, can Initiate at once interactive.If timing is given a course, the time given a course can be arranged.After the time given a course is set, in giving a course Appearance is included into the curriculums table on right side.After giving a course, Online class platform can establish live list automatically.
The picture of first distance-learning class PC machine and the second distance-learning class PC machine in interactive process is shown all in the window Show, be the region being primarily upon in interactive process, the order of the picture of display can be selected by human-computer interaction device, and Main window to be shown.Can key progress multi-mode switching using human-computer interaction device.The switching of Three models (see annex) is equal One key operation is carried out by human-computer interaction device, teacher at school when need not operate mouse, pass through human-computer interaction device Complete attend class pattern switching, the one key switching control with receiving classroom interaction and courseware model etc.
In the present embodiment, PC machine includes：Integrated embedded host, 1U cabinets, ARM dual core processor linux systems, Built-in 1T hard disks；Preposition liquid crystal panel is set, coordinates front mounted buttons that the IP address, system information, net of host can be directly set Network, coding, holder parameter；It is preposition to start, suspend, stopping key, control recording process and there is corresponding LED light to show current work Make state；Preposition USB port, video recording resource can be copied automatically after being inserted into USB storage device；
Video acquiring module supports 3 road HD-SDI inputs, and 1 road VGA outputs are supported in 1 road DVI-I inputs, and 1 road HDMI is defeated Go out, DVI rings go out output all the way；Video frequency coding rate：256k to 8M is adjustable；Main bit stream is 1M-8Mbps, and sub-code stream is 256K- 1Mbps；
Audio acquisition module inputs for microphone, frequency response 100hz-10Khz；1 route road inputs, circuit frequency response 20hz- 19khz±1db；Signal-to-noise ratio ＞ 65db, distortion factor ＜ 0.1%, audio sample rate 32KHz, 1 road audio select, has automatic increase Beneficial function：Control range >=40db, starts to control point -30db, carries gain time constant ＜ 1 second；
PC machine further includes：Control module and mixed-media network modules mixed-media；Control module can external tracing machine, control for 6 road RS232 Panel, camera pan-tilt, 1 road RS422 or RS485 can control video camera；Mixed-media network modules mixed-media：Possesses 1 10/100/1000Mbps Adaptive network interface, supports local instructor in broadcasting.
Video acquiring module includes：High definition feature video camera, high definition panorama video camera, image detector, intelligent-tracking system System module；
High definition feature video camera output format：HD:1080p/60,1080p/50,1080i/60,1080i/50, 1080p/ 30,1080p/25,720p/120,720p/60,720p/50,720p/30,720p/25,640x480p/240, camera lens：12x, F3.5mm~42.3mm, F1.8~F2.8 32x, output interface：Support the output of HDMI high definitions, it is another to be equipped with 3G-SDI interfaces, have Effect transmission range highest is up to 150 meters (1080p30)；HDMI, SDI, three tunnel of network can export at the same time；Also support CVBS SD Export 72.5 ° of wide-angle lens+32x digital zooms：Using the super wide zoom lens of 72.5 ° of high-quality, optical zoom reaches 12 times, and props up 32 times of digital zooms are held, H.265/H.264/MJEPG support encodes, and realizes the ultralow bandwidth for transmission of full HD 1080p/60fps； Support AAC audio codings；Equipped with Face datection, equipped with local storage, local storage function is supported, can be achieved without NVR USB flash disk local direct recording；Brand-new cmos image sensor equipped with superelevation to-noise ratio can be reduced effectively in low light situations Picture noise, while 2D and 3D noise reduction algorithms are applied, picture noise is significantly reduced, even in the case of ultra-low illumination, still Holding picture is totally clear, and signal noise ratio (snr) of image is up to more than 55dB；PC machine uses RS232 and RS485 serial ports, can be to video camera It is controlled；Highest level rotating speed:100 degrees seconds, scope：1.7 °~100 °/s, the vertical rotating speed of highest:69.9 degrees seconds；Pass through PC machine sets the function of control video camera；
Intelligent tracking system module is identified for intelligent image, and multiple movable processes are realized with reference to specific occasion Recognition and tracking, directly analyzes recorded video image, without installing any location equipment in classroom, fully achieves normality Change teaching；Using stabilization characteristics of human body's track algorithm；Support the shooting of feature pattern.
Audio acquisition module includes：Omnidirectional's sound pick-up；Omnidirectional's sound pick-up frequency range：40-18000Hz, sensitivity：- 35dB；Pickup angle：360°；Maximum sound pressure level：132dB, impedance：200 Ω, signal-to-noise ratio：≥70dB.
In the present embodiment, as shown in Figure 7 and Figure 8, cloud recorded broadcast platform further includes：Synchronous mutual assistance class management module, joins school Space representation module and connection school space management module；
Synchronous mutual assistance class management module is used to provide establishment connection school space to the user, and creating connection school space includes：Main subject The selection of hall unit speaker school, the establishment of the school of listening to the teacher of distance-learning class unit, connection school name in a name space claim to set, name of giving lessons Claim, the benefited number of the school of listening to the teacher of configuration connection school space medium-long range classroom unit and the course teaching time for joining school space；
After joining school space representation module for synchronous mutual assistance class management module creation connection school space, in cloud recorded broadcast platform On be shown, and in units of week, or in units of the moon, or connection school space is shown in the form of in units of season Title, joins the course teaching time in school space, joins the speaker school in school space and school of listening to the teacher；
When connection school space management module in connection school space for perform teaching, during acquisition remote teaching in real time Data message, and the teaching process during remote teaching and teaching number are carried out by joining school space representation module real When show.
User can create connection school space by logging in cloud recorded broadcast platform so in the present invention.It is being not provided with main subject hall list Member, when the first distance-learning class unit and the second distance-learning class unit, into creating connection school space to main subject hall unit, first Distance-learning class unit and the second distance-learning class unit are configured, and corresponding main subject hall unit and long-range class are established after setting Hall unit.And it is shown by joining school space representation module.Main subject hall unit and distance-learning class unit is set to get Corresponding information, and obtain teaching process process status in real time by joining school space management module.
Term " first ", " second ", " the 3rd " " in description and claims of this specification and above-mentioned attached drawing The (if present)s such as four " are for distinguishing similar object, without for describing specific order or precedence.Should Understand that the data that so use can exchange in the appropriate case, so as to the embodiment of the present invention described herein can with except Order beyond those for illustrating or describing herein is implemented.In addition, term " comprising " and " having " and theirs is any Deformation, it is intended that cover non-exclusive include.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use the present invention. A variety of modifications to these embodiments will be apparent for those skilled in the art, defined herein General Principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, originally Invention is not intended to be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty The consistent most wide scope of point.

Claims (10)

  1. A kind of 1. synchronization mutual assistance Teaching System, it is characterised in that including：Cloud recorded broadcast platform, main subject hall unit, first is long-range Classroom unit, the second distance-learning class unit；
    Main subject hall unit includes：Active router, PC machine, main exhibition booth, video acquiring module, audio acquisition module；
    Video acquiring module and audio acquisition module are connected with PC machine respectively, and video acquiring module obtains the video letter in main subject hall Breath, and the video information of the main subject hall of acquisition is sent to PC machine；Audio acquisition module obtains the audio-frequency information in main subject hall, and The audio-frequency information of the main subject hall of acquisition is sent to PC machine；
    PC machine is arranged on classroom lectern position, and PC machine is connected by active router with cloud recorded broadcast platform, and PC machine will be obtained by video The video information of main subject hall and the audio-frequency information of main subject hall that modulus block and audio acquisition module obtain are uploaded to cloud recorded broadcast platform；
    First distance-learning class unit includes：The first router, the first distance-learning class PC machine, the first video acquiring module, the first sound Frequency acquisition module, the first display module；
    First distance-learning class PC machine is connected by the first router with cloud recorded broadcast platform, and the first distance-learning class PC machine passes through cloud recorded broadcast Platform obtains the video information of main subject hall and the audio-frequency information of main subject hall that main subject one's parents pass；
    First video acquiring module, the first audio acquisition module, the first display module are connected with the first distance-learning class PC machine respectively, First display module is used for the audio-frequency information of the video information and main subject hall in the first distance-learning class displaying main subject hall；First video Acquisition module obtains the video information in the first distance-learning class, and the video information of the first distance-learning class of acquisition is sent to the One distance-learning class PC machine；Audio acquisition module obtains the audio-frequency information in the first distance-learning class, and by the first of acquisition the long-range class The audio-frequency information of hall is sent to the first distance-learning class PC machine；
    The first long-range class that first distance-learning class PC machine will be obtained by the first video acquiring module and the first audio acquisition module The video information of hall and the audio-frequency information of the first distance-learning class are uploaded to cloud recorded broadcast platform；
    Second distance-learning class unit includes：The second router, the second distance-learning class PC machine, the second video acquiring module, the second sound Frequency acquisition module, the second display module；
    Second distance-learning class PC machine is connected by the second router with cloud recorded broadcast platform, and the second distance-learning class PC machine passes through cloud recorded broadcast Platform obtains the video information of main subject hall and the audio-frequency information of main subject hall that main subject one's parents pass；
    Second video acquiring module, the second audio acquisition module, the second display module are connected with the second distance-learning class PC machine respectively, Second display module is used for the audio-frequency information of the video information and main subject hall in the second distance-learning class displaying main subject hall；Second video Acquisition module obtains the video information in the second distance-learning class, and the video information of the second distance-learning class of acquisition is sent to the Two distance-learning class PC machine；Audio acquisition module obtains the audio-frequency information in the second distance-learning class, and by the second of acquisition the long-range class The audio-frequency information of hall is sent to the second distance-learning class PC machine；
    The second long-range class that second distance-learning class PC machine will be obtained by the second video acquiring module and the second audio acquisition module The video information of hall and the audio-frequency information of the second distance-learning class are uploaded to cloud recorded broadcast platform；
    Main exhibition booth is used to show the video information in main subject hall respectively, and the video information and second in the first distance-learning class are long-range Video information in classroom.
  2. 2. synchronization mutual assistance Teaching System according to claim 1, it is characterised in that
    Main subject hall unit further includes：First distance-learning class video acquiring module, the second distance-learning class video acquiring module, first is remote Journey classroom audio acquisition module, the second distance-learning class audio acquisition module；
    First distance-learning class video acquiring module is used to obtain the first of the upload of the first distance-learning class PC machine in cloud recorded broadcast platform The video information of distance-learning class；
    Second distance-learning class video acquiring module is used to obtain the first of the upload of the second distance-learning class PC machine in cloud recorded broadcast platform The video information of distance-learning class；
    First distance-learning class audio acquisition module is used to obtain the first of the upload of the first distance-learning class PC machine in cloud recorded broadcast platform The audio-frequency information of distance-learning class；
    Second distance-learning class audio acquisition module is used to obtain the first of the upload of the second distance-learning class PC machine in cloud recorded broadcast platform The audio-frequency information of distance-learning class.
  3. 3. synchronization mutual assistance Teaching System according to claim 1 or 2, it is characterised in that
    Cloud recorded broadcast platform includes：Resource points broadcasting module, the live module of resource, resource points are discussed and select model workers block, personal space module,
    Resource points broadcasting module is used to show curriculum video by the parametric classification such as the customized subject of school, grade, makes PC machine, and first Distance-learning class PC machine and the second distance-learning class PC machine viewing curriculum video, and course search is provided, there is provided course is commented on online；
    The live module of resource is used to show current live video by parametric classifications such as the customized subject of school, grades, makes PC machine, First distance-learning class PC machine and the second live current video of distance-learning class PC machine, and support live video search, support it is live Video is commented on online；
    Resource points discuss and select model workers block for making comments during live program request, are shown in the comment area of video；According to master die of listening to the teacher Block and evaluation criteria module carry out course comment, and evaluation criteria is supported self-defined；Offer is listened to the teacher notes function；Offer is listened to the teacher record Collect；Offer, which is listened to the teacher, comments class to count；
    Personal space module is used to provide personal space for teacher, student, and space includes：Personal document manages submodule, classroom Management submodule, management submodule of listening to the teacher, notes manage submodule, comment class management submodule, activity management submodule, share pipe Manage submodule, message management submodule, personal information management submodule, video machining function submodule.
  4. 4. synchronization mutual assistance Teaching System according to claim 3, it is characterised in that
    Personal document manages submodule and the file for uploading, collecting is managed for providing, and classifies according to attribute, there is provided Download, sharing function；
    Class management submodule is used to establish classroom according to school timetable, and teacher can carry out the data such as the document in classroom, video Addition, delete operation, student may be viewed by the data such as document in classroom, video and previewed, reviewed；
    Management submodule of listening to the teacher, which is used to managing individual, listens to the teacher record, and course types that display individual has listened to the teacher, quantity, progress, listen Between class hour；
    Notes management submodule is used to manage self-study notes, the personal course learnt of record and learning time；
    Comment class management submodule to be used to check class task to be evaluated and enter evaluation, can check that history comments class to record；
    Activity management submodule is used to check the personal teaching activities participated in；
    Share management submodule to be used to check that individual shares, individual is shared with others' document, video electronic data；
    Message management submodule is used to send message in receiving station, and message format is in the form of text；
    Personal information management submodule is used to setting human head picture, brief introduction, mailbox, phone, password to reset, etc. relevant information；
    Video machining function submodule is used for realization the multi-channel video editing from personal document's management and synthesizes, individually to regarding all the way Frequency carries out getting mark ready.
  5. 5. synchronization mutual assistance Teaching System according to claim 1 or 2, it is characterised in that
    Cloud recorded broadcast platform further includes：Create molded tissue block, add line module, create live classroom module, class hour configuration module, Connection school space module, configuration module of imparting knowledge to students and reservation curriculum module are created,
    Create molded tissue block to be used to add educational institution's title, addition teaching classification and setting under educational institution's Names Catalogue Teaching location information；
    Add line module to be used under selected educational institution's title, add teacher, form teacher's list；
    Live classroom module is created for the teaching programme according to educational institution, configures main subject hall unit title, affiliated teaching class Type, inputs teaching equipment, configures the channel mode of the first distance-learning class unit and the second distance-learning class unit, main subject is respectively configured The IP of the IP of hall unit, the IP of the first distance-learning class unit and the second distance-learning class unit；
    Configuration module was used to configure course name and attended class and the play time class hour；
    Connection school space module is created to be used to main subject hall unit, the first distance-learning class unit and the second distance-learning class unit being configured to Join school space, the first distance-learning class unit and the second distance-learning class unit is shared to the teaching of main subject hall unit；
    Impart knowledge to students configuration module be used for provide selection One Teacher title and addition the auxiliary title for saying teacher in branch school, set branch school by The number of beneficial student；
    Reservation curriculum module logs on cloud recorded broadcast platform for student by the user of One Teacher, preengages the One Teacher Course.
  6. 6. synchronization mutual assistance Teaching System according to claim 1 or 2, it is characterised in that
    Main exhibition booth is equipped with information display area, interactive list display area；
    Information display area shows the school information of main subject hall, teacher's information, curriculum information；
    Interactive list display area shows the interactive information that current course will start, and course starts over the time, and course is interactive Title, course interaction sequence number.
  7. 7. synchronization mutual assistance Teaching System according to claim 1 or 2, it is characterised in that
    First distance-learning class PC machine selects main subject hall by human-computer interaction device, can the multiple main subject halls of simultaneous selection；First is long-range Classroom PC machine is listened to the teacher immediately by selection, enters the state of listening to the teacher；If teaching end is entering interactive period, the first distance-learning class PC machine is initiated and main classroom interaction；
    If timing is given a course, the first distance-learning class PC machine arranges the time given a course；After the time given a course is set, it will give a course Content be included into curriculums table；After giving a course, the first distance-learning class PC machine establishes live list automatically；Gave lessons at speaker end Journey, carries out recorded broadcast record, and resource content is uploaded to cloud recorded broadcast platform；
    Second distance-learning class PC machine selects main subject hall by human-computer interaction device, can the multiple main subject halls of simultaneous selection；Second is long-range Classroom PC machine is listened to the teacher immediately by selection, enters the state of listening to the teacher；If teaching end is entering interactive period, the second distance-learning class PC machine is initiated and main classroom interaction；
    If timing is given a course, the second distance-learning class PC machine arranges the time given a course；After the time given a course is set, it will give a course Content be included into curriculums table；After giving a course, the second distance-learning class PC machine establishes live list automatically.
  8. 8. synchronization mutual assistance Teaching System according to claim 1 or 2, it is characterised in that
    PC machine includes：Integrated embedded host, 1U cabinets, ARM dual core processor linux systems, built-in 1T hard disks；Before setting Liquid crystal panel is put, coordinates front mounted buttons that IP address, system information, network, coding, the holder parameter of host can be directly set；Before Beginning is put, suspends, stop key, recording process is controlled and has corresponding LED light to show current working status；Preposition USB port, is inserted Video recording resource can be copied automatically after entering USB storage device；
    Video acquiring module supports 3 road HD-SDI inputs, and 1 road DVI-I inputs, support 1 road VGA to export, 1 road HDMI outputs, one Road DVI rings go out output；Video frequency coding rate：256k to 8M is adjustable；Main bit stream is 1M-8Mbps, and sub-code stream is 256K-1Mbps；
    Audio acquisition module inputs for microphone, frequency response 100hz-10Khz；1 route road inputs, and circuit frequency response 20hz-19khz ± 1db；Signal-to-noise ratio ＞ 65db, distortion factor ＜ 0.1%, audio sample rate 32KHz, 1 road audio select, has automatic gain function： Control range >=40db, starts to control point -30db, carries gain time constant ＜ 1 second；
    PC machine further includes：Control module and mixed-media network modules mixed-media；Control module for 6 road RS232 can external tracing machine, control panel, Camera pan-tilt, 1 road RS422 or RS485 can control video camera；Mixed-media network modules mixed-media：It is adaptive to possess 1 10/100/1000Mbps Network interface, supports local instructor in broadcasting.
  9. 9. synchronization mutual assistance Teaching System according to claim 1 or 2, it is characterised in that
    Video acquiring module includes：High definition feature video camera, high definition panorama video camera, image detector and intelligent tracking system Module；
    High definition feature video camera output format：HD:1080p/60,1080p/50,1080i/60,1080i/50,1080p/30, 1080p/25,720p/120,720p/60,720p/50,720p/30,720p/25,640x480p/240, camera lens：12x, F3.5mm~42.3mm, F1.8~F2.8 32x, output interface：Support the output of HDMI high definitions, it is another to be equipped with 3G-SDI interfaces, effectively Transmission range highest is up to 150 meters (1080p30)；HDMI, SDI, three tunnel of network can export at the same time；Also support the output of CVBS SD 72.5 ° of wide-angle lens+32x digital zooms：Using the super wide zoom lens of 72.5 ° of high-quality, optical zoom reaches 12 times, and supports 32 times H.265/H.264/MJEPG, digital zoom, support encode, and realize the ultralow bandwidth for transmission of full HD 1080p/60fps；Support AAC Audio coding；Equipped with Face datection, equipped with local storage, local storage function is supported, it is local that USB flash disk can be achieved without NVR Direct recording；The image that brand-new cmos image sensor equipped with superelevation to-noise ratio can be reduced effectively in low light situations is made an uproar Sound, while 2D and 3D noise reduction algorithms are applied, picture noise is significantly reduced, even in the case of ultra-low illumination, still keeps picture Face is totally clear, and signal noise ratio (snr) of image is up to more than 55dB；PC machine uses RS232 and RS485 serial ports, and video camera can be controlled System；Highest level rotating speed:100 degrees seconds, scope：1.7 °~100 °/s, the vertical rotating speed of highest:69.9 degrees seconds；Set by PC machine Put the function of control video camera；
    Intelligent tracking system module identifies for intelligent image, with reference to specific occasion realize the identification of multiple movable processes with Track, directly analyzes recorded video image, without installing any location equipment in classroom, fully achieves normalization teaching； Using stabilization characteristics of human body's track algorithm；Support the shooting of feature pattern；Audio acquisition module includes：Omnidirectional's sound pick-up；Omnidirectional Sound pick-up frequency range：40-18000Hz, sensitivity：-35dB；Pickup angle：360°；Maximum sound pressure level：132dB, impedance： 200 Ω, signal-to-noise ratio：≥70dB.
  10. 10. synchronization mutual assistance Teaching System according to claim 5, it is characterised in that
    Cloud recorded broadcast platform further includes：Synchronous mutual assistance class management module, joins school space representation module and connection school space management mould Block；
    Synchronous mutual assistance class management module is used to provide establishment connection school space to the user, and creating connection school space includes：Main subject hall list The selection of first speaker school, the establishment of the school of listening to the teacher of distance-learning class unit, connection school name in a name space claim to set, and title of giving lessons, matches somebody with somebody Put the benefited number of the school of listening to the teacher of connection school space medium-long range classroom unit and join the course teaching time in school space；
    After joining school space representation module for synchronous mutual assistance class management module creation connection school space, carried out on cloud recorded broadcast platform Displaying, and in units of week, or in units of the moon, or be shown connection school name in a name space in the form of in units of season and claim, join The course teaching time in school space, joins the speaker school in school space and school of listening to the teacher；
    When connection school space management module is used to perform teaching in connection school space, the data during remote teaching are obtained in real time Information, and real-time display is carried out to the teaching process during remote teaching and teaching number by joining school space representation module.
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CN111462561A (en) * 2020-04-29 2020-07-28 广州乐庚信息科技有限公司 Cloud computing-based dual-teacher classroom management method and platform
CN111785108A (en) * 2020-06-19 2020-10-16 杭州海康威视系统技术有限公司 Data processing method and device, electronic equipment and machine-readable storage medium
CN111954008A (en) * 2020-07-23 2020-11-17 广州市锐星信息科技有限公司 One-to-many remote live broadcast system and use method
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CN112969039B (en) * 2021-05-18 2021-08-03 浙江华创视讯科技有限公司 Video fusion method, device and equipment and readable storage medium
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CN114822115A (en) * 2022-05-05 2022-07-29 广州市锐星信息科技有限公司 Strong interaction classroom teaching system

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