CN211908982U - Online broadcasting system integrating electronic class patrol function - Google Patents
Online broadcasting system integrating electronic class patrol function Download PDFInfo
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- CN211908982U CN211908982U CN202021021726.0U CN202021021726U CN211908982U CN 211908982 U CN211908982 U CN 211908982U CN 202021021726 U CN202021021726 U CN 202021021726U CN 211908982 U CN211908982 U CN 211908982U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 230000003993 interaction Effects 0.000 claims abstract description 17
- 230000002452 interceptive effect Effects 0.000 claims description 13
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- 238000005516 engineering process Methods 0.000 abstract description 4
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Abstract
The utility model discloses a network broadcast system that fuses electron and patrol class function, patrol class system and voice interaction system including the electron, the electron is patrolled class system's AD conversion module's receiving terminal and is connected the adapter, MCU processing module is connected to the output, stream media network module is connected to MCU processing module's output, stream media network module connects backstage processing module and handles original sound, wherein the backstage original sound is connected to voice interaction system's stream media network module's receiving terminal, DSP echo cancellation module is connected to the output, audio processing module is connected to DSP echo cancellation module's output; the online broadcasting system with the electronic class patrol function utilizes the existing network, the audio and video coding technology and the voice interaction technology, increases the product functions, integrates the functions into a whole, can realize the electronic class patrol and voice interaction functions, reduces the system cost, is convenient to install and is simple to debug.
Description
Technical Field
The utility model relates to a net system of broadcasting technical field especially relates to a net system of broadcasting that fuses electron and patrol class function.
Background
The existing school high-definition network playing system has two modes, one mode is a software player mode, player software is installed on a computer, and a computer software player is started to realize network high-definition video playing; the other method is a pure hardware decoding mode, the video is pushed to front-end hardware through a background server, and the video is connected to display equipment through an HDMI (high-definition multimedia interface) line through hardware decoding to realize online broadcasting high-definition video playing. Both the two types of the audio and video are played in one direction, the audio and video in a playing classroom cannot be seen, and the voice talkback cannot be realized.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to solve the above problems and provide a remote visual system which can watch the situation of listening to the live online broadcast class (i.e. the simulcast class or the air classroom) in the classroom, and realize the electronic patrol class without walking inspection in each classroom; when talkback is needed, the voice talkback is timely carried out, and the online broadcasting system with the function of integrating the classroom order with the electronic patrol function is maintained.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a fuse net broadcast system of electron function of patrolling lessons, includes that electron patrols lesson system and pronunciation interactive system, the electron patrols lesson system and includes adapter, AD conversion module, MCU processing module and streaming media network module, and wherein the adapter is connected to AD conversion module's receiving terminal, and MCU processing module is connected to the output, streaming media network module is connected to MCU processing module's output, streaming media network module connects backstage processing module and handles original sound, and wherein pronunciation interactive system includes streaming media network module, DSP echo cancellation module and audio processing module, and backstage original sound is connected to voice interactive system's streaming media network module's receiving terminal, and DSP cancellation module is connected to the output, and audio processing module is connected to DSP echo cancellation module's output, reports sound through audio processing module.
Preferably, the electronic class patrol system is communicated with the voice interaction system through the connection of the MCU processing module and the DSP echo cancellation module.
Preferably, the voice interaction system further comprises a decoding module, a receiving end of the decoding module is connected with the streaming media network module of the voice interaction system, an output end of the decoding module is connected with the DSP echo cancellation module, and the decoding module further processes the background original sound.
Preferably, the sound pickup is a sound pickup microphone or a high-definition camera, and the sound pickup microphone and the high-definition camera transmit original sound to the background through the A/D conversion module, the MCU processing module and the streaming media network module.
Preferably, the pickup microphone and the high-definition camera are connected in parallel.
Compared with the prior art, the utility model discloses a fuse net of electron function of patrolling lessons and broadcast system's beneficial effect lies in: the school administrator can watch the situation of the online live broadcast in the classroom (namely the simulcast class or the air classroom) remotely, and the electronic class patrol is realized without walking inspection of each classroom. When talkback is needed, the voice talkback is timely carried out, and classroom order is maintained.
Drawings
Fig. 1 is a schematic view of the connection structure of the middle electronic class patrol system of the present invention.
Fig. 2 is the utility model discloses the whole connection structure schematic diagram of electron system of patrolling class and voice interactive system.
Fig. 3 is a circuit diagram of the streaming media network module according to the present invention.
Fig. 4 is a circuit diagram of the MCU processing module of the present invention.
Fig. 5 is a circuit diagram of the a/D conversion module of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The attached drawings are simplified schematic diagrams, and merely illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
Referring to fig. 1-5, a webcast system integrating electronic course patrol function, comprising an electronic course patrol system and a voice interactive system, wherein the electronic course patrol system comprises a sound pick-up, an a/D conversion module, an MCU processing module and a streaming media network module, wherein the receiving end of the a/D conversion module is connected to the sound pick-up, the output end is connected to the MCU processing module, the output end of the MCU processing module is connected to the streaming media network module, the streaming media network module is connected to a background processing module and processes original voice, wherein the voice interactive system comprises a streaming media network module, a DSP echo cancellation module and an audio processing module, the receiving end of the streaming media network module of the voice interactive system is connected to the background original voice, the output end is connected to the DSP echo cancellation module, the output end of the DSP echo cancellation module is connected to the audio processing module, and broadcasts voice through the audio processing module, make electron system and the pronunciation interactive system intercommunication of patrolling class through being connected of MCU processing module and DSP echo cancellation module, pronunciation interactive system still includes the decoding module, the streaming media network module of pronunciation interactive system is connected to the receiving terminal of decoding module, and DSP echo cancellation module is connected to the output, the backstage acoustic is further handled to the decoding module, the adapter is pickup microphone or high definition digtal camera, and pickup microphone and high definition digtal camera carry the backstage to the backstage through AD conversion module, MCU processing module and streaming media network module with the acoustic, parallel connection between pickup microphone and the high definition digtal camera.
The model of the streaming media network module is SYQ-MT7628/7688, the model of the MCU processing module is M0518SC, and the model of the A/D conversion module is ADC 0809.
The electronic class patrol part realizes audio and video mixed coding through a field pickup microphone or a high-definition camera, realizes analog-to-digital conversion through a DSP, sends the analog-to-digital conversion to an MCU processing module, edits a network protocol, transmits the network protocol to a background server through a streaming media network module, and decodes the network protocol through a decoding module to watch the network protocol at the background so as to realize the electronic class patrol function.
The voice interaction part establishes a voice interaction channel through calling, and background voice is transmitted to a front-end classroom through a front-end decoding module, an echo suppression module, a voice amplification module and a voice playing module; the front-end voice is processed into a network signal through the voice acquisition module, the coding module and the MCU and transmitted to the background, so that background voice playing is realized, and the voice interaction function is realized. In actual operation, a school administrator can see the situation of listening to live online in a classroom (namely, a simulcast classroom or an air classroom) remotely, electronic class patrol is realized without walking inspection of each classroom, and when talkback is needed, timely voice talkback is realized, the classroom order is maintained, and the like. The system is installed right above the blackboard. The camera and the pickup microphone are aligned to the students, and audio and video of the students in a classroom on live webcast class can be clearly transmitted to the background, so that electronic class patrol is realized. When the classroom appears the situation, managers can aim at classroom speech at the background directly, in time handle the problem, when school arranges that mr in the recording and broadcasting classroom takes a class, live broadcast to appointed classroom through the net broadcast system. The manager can monitor and monitor the live lesson condition in the classroom in the background. The camera and the sound pick-up which are integrated in the network broadcasting all-in-one machine transmit the collected audio and video signals of the classroom to the background, and the background displays the audio and video signals by decoding, so that the background can monitor and monitor conveniently, and electronic class patrol is realized. When a classroom is confused by students, the background can realize voice talkback warning to maintain classroom order and is convenient to use.
A network broadcast system integrating an electronic class patrol function comprises an electronic class patrol system and a voice interaction system, wherein a receiving end of an A/D conversion module of the electronic class patrol system is connected with a pickup, an output end of the A/D conversion module is connected with an MCU processing module, an output end of the MCU processing module is connected with a streaming media network module, the streaming media network module is connected with a background processing module and processes original sound, the receiving end of the streaming media network module of the voice interaction system is connected with the background original sound, the output end of the streaming media network module is connected with a DSP echo cancellation module, and an output end of the DSP echo cancellation module is connected with an audio processing module; the online broadcasting system with the electronic class patrol function utilizes the existing network, the audio and video coding technology and the voice interaction technology, increases the product functions, integrates the functions into a whole, can realize the electronic class patrol and voice interaction functions, reduces the system cost, is convenient to install and is simple to debug.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (5)
1. The utility model provides a fuse net system of broadcasting of electron function of patrolling lessons, includes that electron patrols lesson system and pronunciation interactive system, its characterized in that: the electronic class patrol system comprises a sound pick-up, an analog-to-digital (A/D) conversion module, a Micro Control Unit (MCU) processing module and a streaming media network module, wherein the sound pick-up is connected with the receiving end of the A/D conversion module, the output end of the A/D conversion module is connected with the MCU processing module, the output end of the MCU processing module is connected with the streaming media network module, the streaming media network module is connected with a background processing module and processes original sound, the voice interactive system comprises the streaming media network module, a Digital Signal Processor (DSP) echo cancellation module and an audio processing module, the background original sound is connected with the receiving end of the streaming media network module of the voice interactive system, the output end of the DSP echo cancellation module is connected with the audio processing.
2. The internet broadcasting system integrating the electronic class patrol function according to claim 1, wherein: the electronic class patrol system is communicated with the voice interaction system through the connection of the MCU processing module and the DSP echo cancellation module.
3. The internet broadcasting system integrating the electronic class patrol function according to claim 1, wherein: the voice interaction system further comprises a decoding module, wherein the receiving end of the decoding module is connected with the streaming media network module of the voice interaction system, the output end of the decoding module is connected with the DSP echo cancellation module, and the decoding module is used for further processing background original sound.
4. The internet broadcasting system integrating the electronic class patrol function according to claim 1, wherein: the pickup is pickup microphone or high definition digtal camera, and pickup microphone and high definition digtal camera carry the primary sound to the backstage through AD conversion module, MCU processing module and streaming media network module.
5. The internet broadcasting system integrating the electronic class patrol function according to claim 4, wherein: the pickup microphone is connected with the high-definition camera in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021021726.0U CN211908982U (en) | 2020-06-06 | 2020-06-06 | Online broadcasting system integrating electronic class patrol function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021021726.0U CN211908982U (en) | 2020-06-06 | 2020-06-06 | Online broadcasting system integrating electronic class patrol function |
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| Publication Number | Publication Date |
|---|---|
| CN211908982U true CN211908982U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021021726.0U Expired - Fee Related CN211908982U (en) | 2020-06-06 | 2020-06-06 | Online broadcasting system integrating electronic class patrol function |
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| Country | Link |
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| CN (1) | CN211908982U (en) |
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2020
- 2020-06-06 CN CN202021021726.0U patent/CN211908982U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |