CN108965996A - Real time remote interactive education system - Google Patents
Real time remote interactive education system Download PDFInfo
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- CN108965996A CN108965996A CN201810832527.9A CN201810832527A CN108965996A CN 108965996 A CN108965996 A CN 108965996A CN 201810832527 A CN201810832527 A CN 201810832527A CN 108965996 A CN108965996 A CN 108965996A
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- China
- Prior art keywords
- classroom
- courseware
- streaming media
- intelligent gateway
- forwarding
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Classifications
-
- 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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43632—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
-
- 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
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
- H04L65/1023—Media gateways
-
- 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
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
-
- 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
Abstract
The present invention provides real time remote interactive education systems, are related to remote teaching technical field, comprising: forwarding and streaming media server and intelligent gateway；Streaming media is carried out between the USB interface, HDMI interface and forwarding and streaming media server that intelligent gateway passes through setting；Wherein, intelligent gateway is respectively arranged at speaker classroom and pays attention to the class in classroom.The present invention can simplify communication process, the network architecture and operation difficulty in remote interactive teaching, be conducive to the work for promoting optimizating education resource distribution, balancing different zones educational development.
Description
Technical field
The present invention relates to remote teaching technical fields, more particularly, to real time remote interactive education system.
Background technique
Long-distance video interact VoIP (Voice over Internet Protocol, analog signal digital) based on it is logical
News agreement is broadly divided into the camp Liang great: SIP (Session Initiation Protocol, session initiation protocol) with H.323.
They all utilize agreement of the RTP (Real-time Transport Protocol, real-time transport protocol) as media transmission.
H.323 VoIP is attempted to use for reference the design of other Internet standards and agreement as black phone, SIP is well-known
Thought, firstly, it is text based agreement, and H.323 using based on ASN.1 (Abstract Syntax Notation
One, abstract syntax notation one) and the binary approach of compression encoding rules indicate its message, therefore, SIP is to table in the form of text
The morphology for the message shown and syntactic analysis are with regard to fairly simple.Secondly, SIP session request process and media consultation process etc. are together
It carries out, therefore call set-up time is short, and in the signaling control of the H.323 negotiations such as middle call establishment and progress media parameter
Process processed is carried out separately, and in H.323 system, terminal is mainly that media communication provides data, and function is fairly simple, and right
The realization of the functions such as control, the media transmission control of calling is then mainly completed by gatekeeper, and H.323 system embodies a kind of collection
Chinese style, the control model of hierarchy type.
There are many remote interactive teaching systems at present, these remote interactive teaching systems are all based on SIP without exception
Or H.323 agreement is developed.Prior art is actually simply by the SIP/H.323 agreement of the communications industry and video council
The associated videos communications applications such as view are applied directly to teaching scene after carrying out limited modification according to teaching industry scene and application
In.But, there is embodiment in the shortcomings that all SIP/H.323 agreements and the relevant technologies in these teleeducation systems.
System architecture based on SIP/H.323 video conference be it is more complicated, the requirement to network is also relatively high, is based on
SIP/H.323 agreement sets up video conferencing system and needs videoconference server or video conference MCU (Multi Control
Unit, multipoint control unit), SIP Server, SIP or H.323 terminal, camera etc. corollary equipment.It is crucial that needing
Network traversal is carried out, just can guarantee the use of SIP/H.323, since many network equipments and administrator at different levels not necessarily all prop up
It holds arbitrarily progress NAT (Network Address Translation, network address translation) to pass through, so in practical applications
Many network equipments and various parameters are needed to configure, the video conferencing system based on SIP/H.323 agreement can be just built.
H.323 limitation be easily cause bottleneck, and every management function of SIP implement it is more complicated.It is long-range mutual
Dynamic teaching is that a class is same as above for strange land, is the audio/video communication under specific occasion, key be need to build it is simple, make
With convenient, it is able to carry out the video interactive of group, it is also necessary to carry out the functions such as courseware displaying, live streaming, record class, playback, and this
It requires to be difficult to meet based on the interaction of SIP/H.323 protocol remote a bit or environmental structure excessively complexity, equipment is too many, to network
It is required that too high；Use is too complicated, and general teacher manipulates while being difficult at school, it is also necessary to have full-time personnel association
It helps；It functionally can not meet the teaching request that strange land is same as above a class, shortage meets the function that remote interactive teaching is special procured.
Summary of the invention
In view of this, the purpose of the present invention is to provide real time remote interactive education system, to simplify remote interactive teaching
In communication process, the network architecture and operation difficulty, be conducive to promote optimizating education resource distribution, balance different zones education hair
Open up horizontal work.
In a first aspect, the embodiment of the invention provides a kind of real time remote interactive education systems, wherein include: forwarding and
Streaming media server and intelligent gateway；
The intelligent gateway by setting USB interface, HDMI interface and it is described forwarding and streaming media server between into
Row streaming media；
Wherein, the intelligent gateway is respectively arranged at speaker classroom and pays attention to the class in classroom.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute
USB interface is stated, for exporting after being encoded the video flowing in multiple sources to the forwarding and streaming media server, so that institute
It states forwarding and streaming media service and courseware source is generated according to the video flowing after the coding.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein institute
It states intelligent gateway and is additionally provided with Line out interface；
Based on being set to intelligent gateway described in speaker classroom:
The HDMI interface, for obtaining courseware road picture based on the courseware source in the forwarding and streaming media server
And/or other road classroom pictures, courseware road sound and/or other road classroom sound；
The USB interface, is also used to export courseware picture, the courseware picture be from local desktop computer, notebook,
The picture of android；
The Line out interface, for exporting output courseware sound.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the third of first aspect
Possible embodiment, wherein the system also includes audio processor；
The HDMI interface and the Line out interface are connected with the end AEC_REF of the audio processor.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, wherein the system also includes echo suppressors and IPC personal industry computer；
The AEC_OUT interface of the Line out interface and the echo suppressor is connected with the IPC.
With reference to first aspect, the embodiment of the invention provides the 5th kind of possible embodiments of first aspect, wherein base
Intelligent gateway described in classroom is paid attention to the class in being set to:
The HDMI interface, for obtaining teacher speaker and drawing based on the courseware source in the forwarding and streaming media server
The courseware sound and teaching sound of face and/or other road classroom pictures, teacher speaker；
The USB interface, is also used to export courseware picture, the courseware picture be from local desktop computer, notebook,
The picture of android and the courseware picture in speaker classroom；
The Line out interface, for exporting output courseware sound.
With reference to first aspect, the embodiment of the invention provides the 6th kind of possible embodiments of first aspect, wherein institute
The system of stating further includes the local teaching ancillary equipment for being set to speaker classroom and paying attention to the class in classroom and being connected with the intelligent gateway,
The local teaching ancillary equipment includes video camera, microphone, sound equipment and display equipment.
With reference to first aspect, the embodiment of the invention provides the 7th kind of possible embodiments of first aspect, wherein institute
It states forwarding and streaming media server is provided with interior network interface and outer network interface.
With reference to first aspect, the embodiment of the invention provides the 8th kind of possible embodiments of first aspect, wherein when
When solicited message is initiated in any interaction classroom, the solicited message is forwarded to and is set to institute by the forwarding and streaming media server
It states speaker and teaches the indoor intelligent gateway, to generate synch command, the forwarding and Streaming Media clothes according to the solicited message
The synch command is forwarded to by business device again to be paid attention to the class described in others at the intelligent gateway being arranged in classroom.
With reference to first aspect, the embodiment of the invention provides the 9th kind of possible embodiments of first aspect, wherein institute
The system of stating further includes USB flash disk and/or hard disk.
The embodiment of the present invention bring it is following the utility model has the advantages that
The present invention provides real time remote interactive education systems, comprising: forwarding and streaming media server and intelligent gateway；Intelligence
Streaming media is carried out between the USB interface, HDMI interface and forwarding and streaming media server that energy gateway passes through setting；Wherein,
Intelligent gateway is respectively arranged at speaker classroom and pays attention to the class in classroom.The present invention can simplify the communication in remote interactive teaching
Journey, the network architecture and operation difficulty are conducive to the work for promoting optimizating education resource distribution, balancing different zones educational development
Make.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the real time remote interactive education system schematic diagram that the embodiment of the present invention one provides；
Fig. 2 is the video flow diagram of real time remote interactive education system provided by Embodiment 2 of the present invention；
Fig. 3 is the audio flow diagram for the real time remote interactive education system that the embodiment of the present invention three provides.
Icon:
The intelligent gateway in 110- speaker classroom；120- pays attention to the class the intelligent gateway in classroom；200- forwarding and streaming media server.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
There are many remote interactive teaching systems at present, these remote interactive teaching systems are all based on SIP without exception
Or H.323 agreement is developed.Prior art is actually simply by the SIP/H.323 agreement of the communications industry and video council
The associated videos communications applications such as view are applied directly to teaching scene after carrying out limited modification according to teaching industry scene and application
In.But, there is embodiment in the shortcomings that all SIP/H.323 agreements and the relevant technologies in these teleeducation systems.
System architecture based on SIP/H.323 video conference be it is more complicated, the requirement to network is also relatively high, is based on
SIP/H.323 agreement set up video conferencing system need videoconference server or video conference MCU, SIP Server, SIP or
H.323 terminal, camera etc. corollary equipment.It is crucial that needing to carry out network traversal, making for SIP/H.323 just can guarantee
With since many network equipments and administrator at different levels not necessarily all support that arbitrarily carrying out NAT passes through, so needing in practical applications
Many network equipments and various parameters are configured, the video conferencing system based on SIP/H.323 agreement can be just built.
H.323 limitation be easily cause bottleneck, and every management function of SIP implement it is more complicated.It is long-range mutual
Dynamic teaching is that a class is same as above for strange land, is the audio/video communication under specific occasion, key be need to build it is simple, make
With convenient, it is able to carry out the video interactive of group, it is also necessary to carry out the functions such as courseware displaying, live streaming, record class, playback, and this
It requires to be difficult to meet based on the interaction of SIP/H.323 protocol remote a bit or environmental structure excessively complexity, equipment is too many, to network
It is required that too high；Use is too complicated, and general teacher manipulates while being difficult at school, it is also necessary to have full-time personnel association
It helps；It functionally can not meet the teaching request that strange land is same as above a class, shortage meets the function that remote interactive teaching is special procured.
Based on this, real time remote interactive education system provided in an embodiment of the present invention be can simplify in remote interactive teaching
Communication process, the network architecture and operation difficulty, be conducive to promote optimizating education resource distribution, balance different zones educational development
Horizontal work.
For convenient for understanding the present embodiment, first to real time remote interactive teaching system disclosed in the embodiment of the present invention
System describes in detail.
Embodiment one:
Fig. 1 is the real time remote interactive education system schematic diagram that the embodiment of the present invention one provides.
Referring to Figures 1 and 2, real time remote interactive education system specifically includes that forwarding and streaming media server 200, intelligence
Gateway, audio processor etc., while further including the local for being set to speaker classroom and paying attention to the class in classroom and being connected with intelligent gateway
Tutor auxiliary platform equipment, such as video camera, Mike, speaker, display equipment.Wherein, intelligent gateway is divided into according to setting position difference
The intelligent gateway 110 in speaker classroom and the intelligent gateway 120 for paying attention to the class classroom.
Intelligent gateway between USB interface, HDMI interface of setting etc. and forwarding and streaming media server 200 by being flowed
Media transmission.
Forwarding and streaming media server 200 are mainly used for doing the back end of order forwarding and Streaming Media transmitting-receiving；Meanwhile turning
Hair and streaming media server 200 are provided with two network interfaces of interior network interface and outer network interface, can provide data routing function.
The most important component part of this real time remote interactive education system is each intelligent gateway being set in classroom, intelligence
Energy gateway is the key components for realizing remote interactive teaching.
Further, USB interface, for output after being encoded the video flowing in multiple sources to forwarding and Streaming Media clothes
Business device 200, so that forwarding and streaming media service generate courseware source according to the video flowing after coding.
Specifically, with scene, relevant element includes: first is that general in remote interactive teaching in real time remote interactive teaching
Understand speaker classroom and pay attention to the class classroom, second is that courseware is centainly had in remote interactive teaching, third is that remote interactive teaching activity can be done
Classroom require have two display equipment (project or large-size screen monitors).Wherein, courseware define be by speaker classroom desktop computer, notes
Originally a video flowing of picture and voice combination that screen and classroom for visit class answer a question and (generally throw and shield) or is wirelessly thrown, therefore
Courseware forms a continuous single video by the video flowing of separate sources.The courseware in speaker classroom changes, and owns
The interface or classroom for visit class courseware for showing courseware are intended to change correspondingly, and are based on this, are uniformly mentioned by forwarding and streaming media server 200
For courseware source, and the courseware of forwarding and streaming media server 200 is the VGA exports coding from the intelligent gateway 110 in speaker classroom
What drawing came.
Further, intelligent gateway is additionally provided with Line out interface.Intelligent gateway 110 based on speaker classroom is taught
It is realized about audio-video picture exhibition by following content in classroom.
HDMI interface, for based on forwarding and streaming media server 200 in courseware source, obtain courseware road picture and/or
Other road classroom pictures, courseware road sound and/or other road classroom sound；That is, speaker classroom HDMI picture is from forwarding and stream
Media server 200 obtains, and HDMI picture exports courseware road picture and other road classroom pictures, HDMI sound export courseware road or
Other road classroom sound of person.
USB interface, is also used to export courseware picture, and courseware picture is from local desktop computer, notebook, android
Picture.
Line out interface, for exporting output courseware sound.That is, including courseware sound in the sound that local sound equipment is released
Sound, meanwhile, far-end IP C (Industrial Personal is additionally provided in this real time remote interactive education system kind
Computer, personal industry computer) in the case where, the sound that local sound equipment is released still further comprises the sound of IPC acquisition.
Further, real time remote interactive education system further includes audio processor, echo suppressor.HDMI interface and
Line out interface is connected with the end AEC_REF of audio processor, also, the AEC_ of Line out interface and echo suppressor
OUT interface is connected with IPC.
Further, based on the intelligent gateway 120 for paying attention to the class classroom, about audio-video picture exhibition by such as in classroom for visit class
What lower content was realized.
HDMI interface, for based on forwarding and streaming media server 200 in courseware source, obtain teacher's speaker picture and/
Or the courseware sound and teaching sound of other road classroom pictures, teacher speaker；That is, HDMI picture exports teacher's speaker picture and its
The courseware of his road classroom picture, the output speaker classroom teacher IPC acquisition of HDMI sound adds the mixed sound that teacher speaks.
USB interface, is also used to export courseware picture, and courseware picture is from local desktop computer, notebook, android
The courseware picture (streaming media flow) of picture and speaker classroom.
Line out interface, for exporting output courseware sound.That is, including courseware and remote in the sound that local speaker is released
Hold teacher's sound of IPC acquisition.
Likewise, the Line out interface and HDMI audio of intelligent gateway will be connected to the end AEC_REF of audio processor,
And the AEC_OUT of the Line out of classroom intelligent gateway and audio processor are connected on IPC.
Further, when solicited message is initiated in any interaction classroom, forwarding and streaming media server 200 are by solicited message
It is forwarded to and is set to the indoor intelligent gateway of speaker's religion, to generate synch command, forwarding and streaming media service according to solicited message
Synch command is forwarded to other pay attention to the class at the intelligent gateway being arranged in classroom again by device 200.
Specifically, the order forwarding capability based on forwarding and streaming media server 200, has the application in interaction classroom to cause to lead
While saying the variation of HDMI picture, after receiving request by the intelligent gateway 110 in speaker classroom forward command to all classroom for visit class,
Classroom for visit class synchronizes variation after receiving order.
Language is divided into for enquirement form and puts question to and show enquirement；Language is putd question to: only showing the picture harmony in interaction classroom
Sound；Show and put question to: on the basis of language is putd question to, the displaying stream for pulling interaction classroom is shown as courseware.
As it can be seen that real time remote interactive education system, can allow teacher easy to use in actual use.It is taught from teacher classroom
It learns actual use scene to set out, allows teacher that can control the state of all classroom for visit class and process of attending class, while also allowing to listen to the teacher
Classroom student's request floor as a classroom is attended class face-to-face, and manipulates very simple.
Further, real time remote interactive education system further includes USB flash disk and/or hard disk.
Embodiment two:
Fig. 3 is the video flow diagram of real time remote interactive education system provided by Embodiment 2 of the present invention.
Further, referring to Fig. 3, to speaker end (speaker classroom) and end (paying attention to the class classroom) is paid attention to the class to video flowing respectively
Input and output situation is described.
The input of speaker end includes: the road 1-4 or network video input (desktop computer or notebook or wireless throwing screen or network
Courseware etc.), treated that AEC_OUT is exported to IPC by audio processor for the live microphone at speaker end.
The output of speaker end includes: the 1 road road 1080P@30FPS+4 dl@30FPS code stream decoding, and interactive picture decoding is shown, and 1
Road 1080P@30FPS code stream decoding, android draw stream 1 road 1080P@30FPS code stream of output, and sound is audio processor
MIX_OUT, which is exported, gives the Line_IN of classroom intelligent gateway (i.e. live all sound), uses for record class.Wherein, 1 tunnel
1080P@30FPS code stream is encoded to streaming media server, and as courseware source, the 1 road road 1080P@30FPS+4 d1@30FPS code stream is compiled
Code gives streaming media server, as remote interaction video source.
Paying attention to the class end input includes: the road 1-4 or network video input (desktop computer or notebook or wireless throwing screen or network
Courseware etc.).
Paying attention to the class end output includes: the 1 road road 1080P@30FPS+4 d1@30FPS code stream decoding, display video interactive picture, and 1
Road 1080P@30FPS code stream decoding shows courseware.
Embodiment three:
Fig. 3 is the audio flow diagram for the real time remote interactive education system that the embodiment of the present invention three provides.
Referring to Fig. 3, the audio data source of real time remote interactive education system have from local sound pick-up, gooseneck wheat, hang wheat,
Power amplifier and audio processor input, have and released from computer, has from releasing on Android user function plate, have
It is obtained from far-end network；Output audio is output to local public address system, gives SATA hard disc storage, has and pass through network
Give far-end network etc..
Specifically, the audio data from Android user function plate, from ground sound pick-up, gooseneck wheat, audio processing
It is mutual exclusion between the audio data of device, computer etc., and the courseware video three from far-end network, it is virtual by one-out-three
Channel passes through I2S (Inter-IC Sound, integrated circuit built-in audio bus) again and gives Audio Codec, Audio Codec
The function of locally amplifying to power amplifier is exported again, echo suppressor MIC_IN is connected to by wireless MIC or gooseneck wheat, in order to guarantee
Whole sound is recorded, (selection Mix_out interface, the interface include all enter back by the output all the way of echo suppressor
The sound of acoustic suppression equipment) it is transmitted back on the sound pick-up interface of core board.
Remote interaction needs IPC to participate in, and the audio of remote interaction also comes from IPC, therefore connects into the audio input of IPC
It is connected to the AEC_OUT interface output of echo suppressor.
Sound exports problem when drawing courseware about distal end classroom, is that core board takes out virtual channel (i.e. above-mentioned three
Select a virtual channel) it is encoded for the courseware to remote equipment drawing local device, the sound of this virtual channel is not pickup
The sound of device input and the courseware sound that should be specifically chosen.
About encoded question, intelligent gateway provides two-way coding, one be courseware virtual channel above-mentioned coding, in addition
One be HDMI output coding, this coding sound be the live sound come in from local sound pick-up, this sound includes
Courseware sound (locally or remotely), local teacher teach, local student, distal end all scenes such as academics and students can listen
The sound seen.
Real time remote interactive education system provided by above-mentioned multiple embodiments, technical characteristic having the same, so
It can solve identical technical problem, reach identical technical effect.
Real time remote interactive education system provided by above-mentioned multiple embodiments, uses decentralization technology, and terminal connects
Enter system and do not needed a central server to go registration and then could connect use, any two or multiple terminals can be with
Interconnection be all together, from signaling control to data transmission it is point-to-point, be different from existing remote interaction system using SIP or
H.323 agreement is necessarily required to the scheme of registrar.Therefore, this system greatly simplifies in network topology, and network is wanted
Ask also unlike SIP or H.323 it is complicated, but, there is no any particular/special requirement to network, be equivalent to general networking equipment, only
Need can upper outer net can strange land interaction, net uses simpler in school.
This real time remote interactive education system can arbitrarily increase the quantity for participating in interaction classroom, not limited by quantity, learn
School can determine according to the actual application each interactive teaching participate in classroom quantity and specific classroom.
Meanwhile real time remote interactive education system having other than being able to achieve remote audio-video interaction and being same as above a class while also
Complete process recording and storing in local hard drive and is uploaded to school while completing remote interaction and attending class by standby recording function
Teaching resource is formed in storage server.
The embodiment of the present invention bring it is following the utility model has the advantages that
The present invention provides real time remote interactive education systems, comprising: forwarding and streaming media server and intelligent gateway；Intelligence
Streaming media is carried out between the USB interface, HDMI interface and forwarding and streaming media server that energy gateway passes through setting；Wherein,
Intelligent gateway is respectively arranged at speaker classroom and pays attention to the class in classroom.The present invention can solve VoIP video conference and need network support
NAT is passed through, and needs the various network equipments to support SIP and H.323 agreement passes through, the problem high to network requirement；It substantially reduces
Hardware cost and use cost, allow to be widely applied in occasions such as schools, accelerate educational resource reasonable disposition and religion
Educate the progress of justiceization；Greatly simplify the operation complexity of remote interactive teaching；Greatly study convenience is provided to teachers and students.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of real time remote interactive education system characterized by comprising forwarding and streaming media server and intelligent gateway；
The intelligent gateway between the USB interface of setting, HDMI interface and the forwarding and streaming media server by being flowed
Media transmission；
Wherein, the intelligent gateway is respectively arranged at speaker classroom and pays attention to the class in classroom.
2. system according to claim 1, which is characterized in that the USB interface, for the video in multiple sources to be flowed into
Output is to the forwarding and streaming media server after row coding, so that after the forwarding and streaming media service are according to the coding
Video flowing generates courseware source.
3. system according to claim 1, which is characterized in that the intelligent gateway is additionally provided with Line out interface；
Based on being set to intelligent gateway described in speaker classroom:
The HDMI interface, for based on it is described forwarding and streaming media server in courseware source, obtain courseware road picture and/or
Other road classroom pictures, courseware road sound and/or other road classroom sound；
The USB interface, is also used to export courseware picture, the courseware picture be from local desktop computer, notebook,
The picture of android；
The Line out interface, for exporting output courseware sound.
4. system according to claim 3, which is characterized in that the system also includes audio processor；
The HDMI interface and the Line out interface are connected with the end AEC_REF of the audio processor.
5. system according to claim 3, which is characterized in that the system also includes echo suppressors and IPC industry
People's computer；
The AEC_OUT interface of the Line out interface and the echo suppressor is connected with the IPC.
6. system according to claim 1, which is characterized in that pay attention to the class intelligent gateway described in classroom based on being set to:
The HDMI interface, for based on it is described forwarding and streaming media server in courseware source, obtain teacher's speaker picture and/
Or the courseware sound and teaching sound of other road classroom pictures, teacher speaker；
The USB interface, is also used to export courseware picture, the courseware picture be from local desktop computer, notebook,
The picture of android and the courseware picture in speaker classroom；
The Line out interface, for exporting output courseware sound.
7. system according to claim 1, which is characterized in that the system also includes be set to speaker classroom and pay attention to the class religion
Local teaching ancillary equipment that is indoor and being connected with the intelligent gateway, the local teaching ancillary equipment includes video camera, wheat
Gram wind, sound equipment and display equipment.
8. system according to claim 1, which is characterized in that the forwarding and streaming media server are provided with interior network interface
And outer network interface.
9. system according to claim 1, which is characterized in that when solicited message is initiated in any interaction classroom, described turn
The solicited message is forwarded to by hair and streaming media server is set to the indoor intelligent gateway of speaker's religion, with basis
The solicited message generates synch command, and the synch command is forwarded to other institutes again by the forwarding and streaming media server
It states at the intelligent gateway paid attention to the class and be arranged in classroom.
10. system according to claim 1, which is characterized in that the system also includes USB flash disk and/or hard disks.
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|---|---|---|---|
| CN201810832527.9A CN108965996A (en) | 2018-07-25 | 2018-07-25 | Real time remote interactive education system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810832527.9A CN108965996A (en) | 2018-07-25 | 2018-07-25 | Real time remote interactive education system |
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| CN108965996A true CN108965996A (en) | 2018-12-07 |
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| CN201810832527.9A Pending CN108965996A (en) | 2018-07-25 | 2018-07-25 | Real time remote interactive education system |
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| CN112071132A (en) * | 2020-09-03 | 2020-12-11 | 北京竞业达数码科技股份有限公司 | Audio and video teaching equipment and intelligent teaching system |
| CN113709404A (en) * | 2021-10-09 | 2021-11-26 | 北京朝歌数码科技股份有限公司 | Method, apparatus and medium for simultaneously recording HDMI IN and microphone audio |
| CN114363718A (en) * | 2022-03-18 | 2022-04-15 | 中科互联科技(广州)有限公司 | Classroom control method, device, equipment and medium for remote multimedia |
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