CN202093695U - Interactive long-distance live broadcasting system - Google Patents
Interactive long-distance live broadcasting system Download PDFInfo
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- CN202093695U CN202093695U CN2011201983543U CN201120198354U CN202093695U CN 202093695 U CN202093695 U CN 202093695U CN 2011201983543 U CN2011201983543 U CN 2011201983543U CN 201120198354 U CN201120198354 U CN 201120198354U CN 202093695 U CN202093695 U CN 202093695U
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Abstract
The utility model discloses an interactive long-distance live broadcasting system, belonging to the field of network teaching systems and mainly solving the problems that the existing long-distance teaching platform has limited number of customer sides and can not carry out real-time interaction due to view limit, and the like. The interactive long-distance live broadcasting system comprises a transmission system, and a front-end service system and a far-end client system which conduct two-way data transmission through the transmission system, wherein the front-end service system consists of an audio collection system, a video collection system and a screen collection system. The interactive long-distance live broadcasting system has a two-way transmission function, and a far-end subscriber can obtain voice, video and text messages of a front-end speaker and can pass back self information to a computer of the front-end speaker in real time; and the interactive long-distance live broadcasting system also has strong audio, video and screen broadcasting functions, thus not only being used for teaching, but also being capable of providing a long-distance training, exchange, and video meeting platform with a good interaction function for enterprises and public institutions, companies and the like.
Description
Technical field
The utility model relates to the net work teaching system field, specifically, relates to a kind of interactive remote live broadcast system.
Background technology
The Web-based instruction is to utilize hardware environment such as universal computer and broadband network, rely on the The network teaching platform of specialty, realizing real-time strange land interactive teaching pattern, is that the strong of " on-the-spot teaching on the spot " pattern replenishes, and is the general trend and the target of IT application in education sector and networking.Compare with traditional teaching mode, the Web-based instruction can cultivate better that student information obtains, analyzes, exchanges, utilizes, processing, creation capacity, thereby lays necessary base for the study, work and the life that adapt to information society.
In order to make full use of conventional network resources, for enterprises and institutions, school, training organization etc. provide learning and communication Distance Teaching Platform easily and efficiently, following several tutoring systems have appearred at present:
(1) screen broadcasting: this system does not have interactive function, can't the person of letting on realize interaction, is unfavorable for normal information interchange.Simultaneously, the screen broadcasting transmitted data amount is bigger, need take a large amount of Internet resources, and for the quantity of client certain restriction is arranged.
(2) audio broadcasting: this systemic-function is too simple, can only support the sound recording and the playing function of single channel, can't realize the typing or the switching controls of multiple sound, can't the person of letting on return sound, do not have real-time interactive function, certain restriction is also arranged for the quantity of client.
(3) video broadcasting: this system plays the picture in the fixed area, and the video record function singleness can not be carried out real-time dynamic switching, has brought certain limitation for user's the visual field, for the quantity of client certain restriction is arranged still.
In a word, above-mentioned several systems all exist defective more or less, therefore can not satisfy the actual demand of society.
Summary of the invention
The purpose of this utility model is to provide a kind of interactive remote live broadcast system, and overcome existing Distance Teaching Platform client and have restricted number, and visual field limitation and can not carry out defective such as real-time interactive.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of interactive remote live broadcast system comprises the front-end service system of being made up of interconnective data acquisition system (DAS) and whistle control system, and the far-end client that is connected with this front-end service system by transmission system.Front-end service system is the main source end of information; Transmission system then is the bridge between front-end service system and the far-end client, is used to finish data transmission between the two; The far-end client mainly is the reproduction end of information, also can the forward end service system send information under the situation of needs, realizes the feedback of information.
Described data acquisition system (DAS) comprises audio collecting system, video acquisition system and screen acquisition system, whistle control system then comprises the audio control system that is connected with described audio collecting system, the video control system that is connected with described video acquisition system, first switch that is connected with described screen acquisition system, and the harvester that is connected with video control system with described audio control system respectively.
Further, described audio collecting system comprises computing machine, DVD audio devices and microphone, audio control system then comprises the sound console that is connected with the signal output part of described computing machine, DVD audio devices, microphone respectively, and the signal output part of this sound console is connected with the signal input part of described harvester.Audio collecting system mainly is that sound signal is gathered, and audio control system then is to handle and transmit gathering the sound signal of coming.
Described video acquisition system comprises DVD video-unit, exhibition booth video-unit and camera head, video control system comprises central controller, and the numeric keypad that is connected with this central controller by video matrix, wherein, the signal output part of described DVD video-unit and exhibition booth video-unit is connected with the signal input part of described harvester by central controller respectively, and the signal output part of camera head then is connected with the signal input part of described video matrix.Video acquisition system mainly is that vision signal is gathered, and video control system then is to handle and transmit gathering the vision signal of coming.
Described screen acquisition system is by the VGA signal picker that is installed on the described computing machine, and the transmission control unit (TCU) that is connected with this VGA signal picker is formed.
Further, described front-end service system also is provided with the power amplifier that is connected with the signal output part of harvester, the audio amplifier that is connected with the signal output part of this power amplifier, and the projection arrangement that is connected with the signal output part of central controller.By audio amplifier and projection arrangement, just audio frequency, video and screen broadcasting can be played back in front-end service system, thus the teaching efficiency of raising front-end service system.
Described transmission system is made up of second switch, converter, fiber plant and the external communications equipment that connect successively, and the signal input part of described second switch is connected with the signal output part of described harvester with first switch respectively, and the signal output part of external communications equipment then is connected with described far-end client by transmission network.
Described far-end client is made up of signal receiving device, the 3rd switch and client device, wherein, the signal input part of signal receiving device is connected with the signal output part of external communications equipment by transmission network, and its signal output part then is connected with client device by the 3rd switch.
Described signal receiving device comprises by interconnective outdoor receiving trap of feeder line and indoor receiving trap, wherein, the signal input part of outdoor receiving trap is connected with external communications equipment by transmission network, and the signal output part of indoor receiving trap then is connected with client device by the 3rd switch.
Described client device is at least a kind of in personal computer, multi-media classroom, conference system and the 3G equipment.
Compared with prior art, the beneficial effects of the utility model are:
1. the utlity model has the information bidirectional transfer function, remote subscriber can obtain front end speaker's sound, video and Word message, and remote subscriber information can be passed back on front end speaker's the computing machine in real time, thereby realized two-way communication function;
2. the utlity model has powerful audio collection function, by collection, switching and the control of the integrated realization multipath audio signal of hardware, and the multipath audio signal that will gather in real time is sent on the subscriber computer of far-end;
3. the utlity model has powerful video acquisition function, by integrated collection, switching and the control that compiles multi-channel video signal of hardware, and the multi-channel video signal that will gather in real time is sent on the subscriber computer of far-end;
4. the utlity model has the screen broadcasting function, the VGA signal that computing machine in the front-end service system can be presented is sent on the computing machine in the far-end client in real time, and utilizes the screen handwriting functions to replace traditional writing function, and teaching efficiency is better;
5. client terminal quantity of the present utility model when increasing client, only needs to be equipped with basic client device, facility without limits, promptly can guarantee the use of client, need not to increase or change the quantity of front-end service system and transmission system and parameter, index;
6. the utility model can not only be used for teaching, can also provide an intercommunion platform with remote training, interchange and video conference of interaction function for enterprises and institutions, company etc., is with a wide range of applications.
Description of drawings
Fig. 1 is a system architecture diagram of the present utility model;
Fig. 2 is the structured flowchart of front-end service system among the utility model-embodiment;
Fig. 3 is the structured flowchart of transmission system among the utility model-embodiment;
Fig. 4 is the structured flowchart of far-end client among the utility model-embodiment.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.Embodiment of the present utility model includes but not limited to the following example.
Embodiment
Shown in Fig. 1 ~ 4, a kind of interactive remote live broadcast system, mainly comprise front-end service system, transmission system and far-end client three parts, wherein, front-end service system is made up of interconnective data acquisition system (DAS) and whistle control system, and the far-end client carries out the transmitted in both directions of data by transmission system and front-end service system.
Being applied to tutoring system with the utility model below is that example is elaborated respectively to above-mentioned three big systems.
One, front-end service system
Front-end service system is the main source end of information, and according to the difference of function, front-end service system is divided into data acquisition system (DAS) and whistle control system.
Wherein, data acquisition system (DAS) comprises audio collecting system, video acquisition system and screen acquisition system, is mainly used in audio frequency, video and the VGA signal of gathering front-end service system; Whistle control system then comprises the audio control system that is connected with audio collecting system, the video control system that is connected with video acquisition system, first switch that is connected with the screen acquisition system, and the harvester that is connected with video control system with audio control system respectively, its major function is the signal of data acquisition system transmission is handled accordingly.
Audio collecting system comprises DVD audio devices, computing machine and microphone, and audio control system then is made of the sound console that is connected with the signal output part of DVD audio devices, computing machine and microphone respectively; Video acquisition system comprises DVD video-unit, exhibition booth video-unit and camera head, video control system comprises the central controller that is connected with the exhibition booth video-unit respectively at the DVD video-unit, and the numeric keypad that is connected with this central controller by video matrix, described camera head directly is connected with video matrix; The screen acquisition system is then by the VGA signal picker that is installed on the computing machine, and the transmission control unit (TCU) that is connected with this VGA signal picker constitutes; In addition, front-end service system also is provided with the power amplifier that voice signal is amplified, the audio amplifier of playing this amplification back voice signal and the projection arrangement that vision signal is carried out projection imaging.In the said equipment, the DVD audio devices, the DVD video-unit, computing machine, microphone, audio amplifier, the exhibition booth video-unit, camera head and projection arrangement are installed in the live classroom, sound console, power amplifier, central controller, video matrix, numeric keypad, the harvester and first switch are installed in the central office, and the signal output part of sound console and central controller is connected with harvester respectively, phonotape and videotape then is connected with harvester by power amplifier, the signal input part of projection arrangement is connected with central controller, and the signal output part of transmission control unit (TCU) is connected with first switch.In order to impart knowledge to students conveniently, microphone directly adopts wireless microphone, and camera head is a camera, and projection arrangement is a projector, and the quantity of audio amplifier, camera head and projection arrangement all can change according to actual needs.
Two, transmission system
Transmission system is the bridge between front-end service system and the far-end client, is mainly used in the signal transmission of finishing between the two, and signal mainly comprises voice signal, vision signal and the VGA signal from front-end service system.
Transmission system is made up of second switch, converter, fiber plant and external communications equipment, wherein, second switch, converter, fiber plant are arranged in the central machine room, and that external communications equipment is arranged at is outdoor, are generally communication base station, relay station, satellite antenna etc.Wherein, the signal input part of second switch is connected with the signal output part of harvester, first switch respectively, and its signal output part then is connected with the far-end client with external communications equipment by converter, fiber plant successively.
Three, far-end client
The far-end client mainly is the reproduction end of information, also can the forward end service system send information under the situation of needs.
The far-end client is made up of signal receiving device, the 3rd switch and client device, wherein, signal receiving device comprises by interconnective outdoor receiving trap of feeder line and indoor receiving trap, outdoor receiving trap is generally relatively large signal receiving device, as satellite antenna, reception tower etc., indoor receiving trap generally is installed in the central machine room, is more small-sized signal receiver, as small size antenna etc.; Client device is installed in the live classroom, generally comprises computing machine, audio amplifier, projector, microphone or the like.If the live classroom of front-end service system and the live classroom of far-end client are two classrooms of same school, then outdoor receiving trap is generally by single LAN (Local Area Network) or internet and the transmission of external communications equipment realization signal, even may not have external communications equipment and outdoor receiving trap, directly be connected with fiber plant to finish the signal transmission by indoor receiving trap; If the live classroom of front-end service system and the live classroom apart from each other of far-end client, then must be provided with the external communications equipment that function class is similar to communication base station, to realize remote signal transmission, in this case, the far-end client must be provided with corresponding outdoor receiving trap, be used to receive the signal that external communications equipment transmits, by outdoor receiving trap signal is transferred to indoor receiving trap again, at this moment, to there be multiple network simultaneously between transmission system and the far-end client, as LAN (Local Area Network), wide area network and internet.Indoor receiving trap transfers to signal sound or the image that reappears front-end service system on the client device by the 3rd switch, play sound to audio amplifier as audio signal transmission, video signal transmission to projection arrangement or with TV that DVD is connected on the displaying video image.
According to actual needs, the far-end client can be arranged to identical with front-end service system, fully to satisfy the needs of information interaction.When the user of far-end client needs forward end service system feedback information, can pass through microphone or other data collector Information Monitorings, and be conveyed into central machine room and handle, utilize transmission system to transfer to front-end service system again, thereby realize real-time remote information interaction.
The concrete course of work of the present utility model is:
At first, the audio signal transmission that to gather by DVD, computing machine or wireless microphone is to sound console, sound console is sent in the harvester after with above-mentioned Audio Signal Processing, being divided into two-way then transmits: the one tunnel carries out signal amplification back through power amplifier is come out sound playing by audio amplifier, student in the live classroom in the front-end service system is imparted knowledge to students, another road then transfers to the far-end client by transmission system, and the student in the live classroom in the far-end client is imparted knowledge to students.In audio signal, if there is vision signal, then vision signal is handled by central controller, perhaps jointly vision signal is handled by video matrix and central controller.After this vision signal is divided into two-way, the one tunnel directly by projector in the inner projection imaging of live classroom, another road then is transferred in the transmission system by harvester, and then projection imaging in the projection arrangement of far-end client.Numeric keypad is used to control the switching of multi-channel video.In like manner, if there is the VGA signal in the computing machine, this signal is transferred to transmission system by first switch after by transmission control unit (TCU), and then arrives the far-end client.
Above-mentioned audio frequency, video and VGA signal in transmission system successively through entering external communications equipment behind second switch, converter, the fiber plant, or directly and the far-end client carry out information interaction.After the outdoor receiving trap of far-end client receives signal, it is transferred to indoor receiving trap by feeder line, through after the rough handling this signal is sent in the live classroom of far-end client by the 3rd switch.At this moment, after vision signal or VGA signal pass through projector's projection, displayed image on curtain, sound signal then plays sound by audio amplifier, thereby realizes the on-the-spot broadcasting of teaching process.
The far-end client also can transfer to front-end service system through transmission system with audio frequency, video and the VGA signal of this locality, and in the live classroom of front-end service system reproduced sound and image, its signals transmission is opposite to the signals transmission of far-end client with front-end service system, is not giving unnecessary details at this.
According to the foregoing description, just can realize the utility model well.
Claims (10)
1. an interactive remote live broadcast system is characterized in that, comprises the front-end service system of being made up of interconnective data acquisition system (DAS) and whistle control system, and the far-end client that is connected with this front-end service system by transmission system.
2. a kind of interactive remote live broadcast system according to claim 1, it is characterized in that, described data acquisition system (DAS) comprises audio collecting system, video acquisition system and screen acquisition system, whistle control system then comprises the audio control system that is connected with described audio collecting system, the video control system that is connected with described video acquisition system, first switch that is connected with described screen acquisition system, and the harvester that is connected with video control system with described audio control system respectively.
3. a kind of interactive remote live broadcast system according to claim 2, it is characterized in that, described audio collecting system comprises computing machine, DVD audio devices and microphone, audio control system then comprises the sound console that is connected with the signal output part of described computing machine, DVD audio devices, microphone respectively, and the signal output part of this sound console is connected with the signal input part of described harvester.
4. a kind of interactive remote live broadcast system according to claim 3, it is characterized in that, described video acquisition system comprises DVD video-unit, exhibition booth video-unit and camera head, video control system comprises central controller, and the numeric keypad that is connected with this central controller by video matrix, wherein, the signal output part of described DVD video-unit and exhibition booth video-unit is connected with the signal input part of described harvester by central controller respectively, and the signal output part of camera head then is connected with the signal input part of described video matrix.
5. a kind of interactive remote live broadcast system according to claim 4 is characterized in that, described screen acquisition system is by the VGA signal picker that is installed on the described computing machine, and the transmission control unit (TCU) that is connected with this VGA signal picker is formed.
6. a kind of interactive remote live broadcast system according to claim 5, it is characterized in that, described front-end service system also is provided with the power amplifier that is connected with the signal output part of harvester, the audio amplifier that is connected with the signal output part of this power amplifier, and the projection arrangement that is connected with the signal output part of central controller.
7. according to any described a kind of interactive remote live broadcast system in the claim 2～6, it is characterized in that, described transmission system is made up of second switch, converter, fiber plant and the external communications equipment that connect successively, and the signal input part of described second switch is connected with the signal output part of described harvester with first switch respectively, and the signal output part of external communications equipment then is connected with described far-end client by transmission network.
8. a kind of interactive remote live broadcast system according to claim 7, it is characterized in that, described far-end client is made up of signal receiving device, the 3rd switch and client device, wherein, the signal input part of signal receiving device is connected with the signal output part of external communications equipment by transmission network, and its signal output part then is connected with client device by the 3rd switch.
9. a kind of interactive remote live broadcast system according to claim 8, it is characterized in that, described signal receiving device comprises by interconnective outdoor receiving trap of feeder line and indoor receiving trap, wherein, the signal input part of outdoor receiving trap is connected with external communications equipment by transmission network, and the signal output part of indoor receiving trap then is connected with client device by the 3rd switch.
10. a kind of interactive remote live broadcast system according to claim 9 is characterized in that, described client device is at least a kind of in personal computer, multi-media classroom, conference system and the 3G equipment.
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| CN2011201983543U CN202093695U (en) | 2011-06-14 | 2011-06-14 | Interactive long-distance live broadcasting system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103150934A (en) * | 2013-02-27 | 2013-06-12 | 南京中网科技实业有限公司 | Laboratory room interactive teaching system |
| CN103198725A (en) * | 2013-04-17 | 2013-07-10 | 武汉市第十六中学 | Cloud teaching exploration classroom |
| CN103489339A (en) * | 2013-05-27 | 2014-01-01 | 陕西理工学院 | Video teaching system and method for achieving teaching thereof |
| CN104601929A (en) * | 2014-12-04 | 2015-05-06 | 重庆晋才富熙科技有限公司 | Remote teaching video interaction system |
| CN104882037A (en) * | 2015-06-02 | 2015-09-02 | 阔地教育科技有限公司 | Live-recorded broadcast interaction classroom system |
| CN105430025A (en) * | 2016-01-19 | 2016-03-23 | 成都银事达信息技术有限公司 | Remote intelligent internet teaching system |
| CN105430337A (en) * | 2015-11-23 | 2016-03-23 | 亳州师范高等专科学校 | Remote teaching live broadcast system |
| CN105491162A (en) * | 2016-01-19 | 2016-04-13 | 成都银事达信息技术有限公司 | Remote internet teaching system operation method |
| CN105812659A (en) * | 2016-03-14 | 2016-07-27 | 阔地教育科技有限公司 | Video resource management method, video resource management framework and video processing device |
| CN108401121A (en) * | 2018-01-27 | 2018-08-14 | 深圳市汉锐信息技术股份有限公司 | A kind of interactive elements node administration cloud screen system |
| CN105704128B (en) * | 2016-01-19 | 2018-09-11 | 成都银事达信息技术有限公司 | A kind of data transmission method of internet teaching system |
| CN110211597A (en) * | 2019-05-17 | 2019-09-06 | 四川易简天下科技股份有限公司 | Audio remote interaction method and system |
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2011
- 2011-06-14 CN CN2011201983543U patent/CN202093695U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103150934A (en) * | 2013-02-27 | 2013-06-12 | 南京中网科技实业有限公司 | Laboratory room interactive teaching system |
| CN103198725A (en) * | 2013-04-17 | 2013-07-10 | 武汉市第十六中学 | Cloud teaching exploration classroom |
| CN103489339A (en) * | 2013-05-27 | 2014-01-01 | 陕西理工学院 | Video teaching system and method for achieving teaching thereof |
| CN104601929B (en) * | 2014-12-04 | 2018-04-03 | 重庆晋才富熙科技有限公司 | Remote teaching video interactive system |
| CN104601929A (en) * | 2014-12-04 | 2015-05-06 | 重庆晋才富熙科技有限公司 | Remote teaching video interaction system |
| CN104882037A (en) * | 2015-06-02 | 2015-09-02 | 阔地教育科技有限公司 | Live-recorded broadcast interaction classroom system |
| CN105430337A (en) * | 2015-11-23 | 2016-03-23 | 亳州师范高等专科学校 | Remote teaching live broadcast system |
| CN105430025A (en) * | 2016-01-19 | 2016-03-23 | 成都银事达信息技术有限公司 | Remote intelligent internet teaching system |
| CN105491162A (en) * | 2016-01-19 | 2016-04-13 | 成都银事达信息技术有限公司 | Remote internet teaching system operation method |
| CN105704128B (en) * | 2016-01-19 | 2018-09-11 | 成都银事达信息技术有限公司 | A kind of data transmission method of internet teaching system |
| CN105430025B (en) * | 2016-01-19 | 2019-02-26 | 成都银事达信息技术有限公司 | A kind of long-distance intelligent internet teaching system |
| CN105491162B (en) * | 2016-01-19 | 2019-12-03 | 成都银事达信息技术有限公司 | A kind of remote internet tutoring system operation method |
| CN105812659A (en) * | 2016-03-14 | 2016-07-27 | 阔地教育科技有限公司 | Video resource management method, video resource management framework and video processing device |
| CN108401121A (en) * | 2018-01-27 | 2018-08-14 | 深圳市汉锐信息技术股份有限公司 | A kind of interactive elements node administration cloud screen system |
| CN110211597A (en) * | 2019-05-17 | 2019-09-06 | 四川易简天下科技股份有限公司 | Audio remote interaction method and system |
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