CN206640699U - Recorded broadcast equipment - Google Patents
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- CN206640699U CN206640699U CN201720390580.9U CN201720390580U CN206640699U CN 206640699 U CN206640699 U CN 206640699U CN 201720390580 U CN201720390580 U CN 201720390580U CN 206640699 U CN206640699 U CN 206640699U
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Abstract
The utility model discloses a kind of more camera lens recorded broadcast equipment, mainly including mainboard, microprocessor, the network switch and camera module；The camera module is connected by the network switch with mainboard, and camera module is connected with the network switch by network external tapping；The microprocessor connects mainboard and camera module simultaneously；The central processing unit of built-in main system is provided with mainboard；The camera module mainly includes camera one, camera two, oscillator at same frame, HDMI video acquisition module and GPU.The utility model shoots with video-corder video image by more camera lenses, transmits internal data with Ethernet, video image splices through GPU, then is compressed by CPU.A kind of single-lens recorded broadcast equipment is disclosed in addition.The utility model is with cheap common camera and electronic unit with regard to that can reach very high recorded broadcast precision, and Internet video flow is low so that high quality normality record/live comes true.
Description
Technical field
The utility model belongs to audio frequency and video recorded broadcast equipment technical field, and in particular to a kind of recorded broadcast equipment.
Background technology
Good education is extremely important for society.The good content of courses should be recorded automatically, good in scientific research
Report should also be as being recorded, so that good content can be shared by more people.For another example, student can be with these classrooms
Holding video helps them to do one's assignment, preparation test and examination, or make-up lessons missing course to catch up with progress.Flourish at present
Admire class, micro- class, the upset online education service such as classroom, have strong demand to recorded broadcast equipment.
Recorded broadcast equipment is the novel device occurred in recent years, is widely used in education, medical treatment and video conference.It is common
Recorded broadcast equipment You Ji roads video input, it is single camera per video all the way, data are put on data collecting card, and by CPU/GPU
It is compressed, encode, decodes.
The recorded broadcast equipment attended class in the prior art for classroom, all it is that the content on blackboard is recorded using a camera.
The ratio of recording is typically 2 to 1, or 16 to 9, and the precision of recorded broadcast is high definition or full HD.But, the ratio of usual blackboard
It is 4 to 1.In order to solve this problem, existing method is to carry out manual operation or with rotating camera, is recorded with selection
Content.But artificial record adds human cost, rotating camera then cost height, and both less reliable, its
Camera motion is not smooth enough, and some original contents that can not be replicated often are lost in recording process.
Meanwhile these existing equipment only meet preliminary recorded broadcast needs, but involve great expense and resolution ratio is low,
Installation is also very complicated with operating, and code stream is higher, it is impossible to meets the cheap and good-quality market demand, does not also meet and pass through general internet
Transmit the recorded broadcast demand in normality classroom.
Utility model content
The purpose of this utility model is precisely in order to solve that existing recorded broadcast equipment precision is low, cost is high, bit rate is high to expire
The technical problems such as sufficient normality recorded broadcast demand, it is proposed that a kind of new more camera lens recorded broadcast equipment, simplify hardware configuration, reduce
Manufacturing cost, the precision of images is substantially increased, realize aspect ratio adjustment, while low bit rate is more conducive to network transmission, very
Just accomplishing good and cheap.
The utility model provides a kind of more camera lens recorded broadcast equipment, mainly including mainboard, microprocessor, the network switch and
Camera module.The camera module is connected by the network switch with mainboard, and camera module passes through with the network switch
Network external tapping connects.The microprocessor connects mainboard and camera module simultaneously.Built-in main system is provided with mainboard
Central processing unit.The camera module mainly includes camera one, camera two, oscillator at same frame, HDMI video collection mould
Block and GPU.
Further, hard disk drive, WiFi module, USB network interfaces, usb audio interface and straight are connected with the mainboard
Broadcasting module.
Further, the microprocessor is connected with infrared receiver plate, LED light and power supply adaptor.
Further, the camera one, camera two are IP Camera, mainboard, IP Camera and HDMI video
Acquisition module is connected with each other by the network switch.
As further optimization technique means, the GPU is integrated on mainboard.
The utility model still further provides a kind of single-lens recorded broadcast equipment, mainly be handed over including mainboard, microprocessor, network
Change planes and camera module.The camera module is connected by the network switch with mainboard, camera module and network exchange
Machine is connected by network external tapping.The microprocessor connects mainboard and camera module simultaneously.Built-in master is provided with mainboard
The central processing unit of system.The camera module mainly includes single camera, HDMI video acquisition module and GPU.
The utility model shoots with video-corder video image by more camera lenses, transmits internal data with Ethernet, video image is spelled through GPU
Connect, then be compressed by CPU.The utility model is with cheap common camera and electronic unit with regard to that can reach very high record
Precision is broadcast, and Internet video flow is low so that high quality normality record/live come true.Another single-lens recorded broadcast equipment,
By image rectification and compression, above-mentioned technique effect is equally reached.
Brief description of the drawings
Fig. 1 is the general structure block diagram of the more camera lens recorded broadcast equipment of the utility model；
Fig. 2 is the structural representation of camera module embodiment one in the utility model；
Fig. 3 is the workflow diagram of the more camera lens recorded broadcast equipment of the utility model；
Fig. 4 is the structural representation of camera module embodiment two in the utility model；
Fig. 5 is the workflow diagram of the single-lens recorded broadcast equipment of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
Embodiment one
As shown in figure 1, a kind of more camera lens recorded broadcast equipment of the present utility model, mainly including mainboard, microprocessor (MCU),
The network switch and camera module.The camera module is connected by the network switch with mainboard, camera module and net
Network interchanger is connected by network external tapping.The network external tapping has multiple interfaces.Microprocessor connects mainboard and taken the photograph simultaneously
As head module.Preferably, central processing unit (such as Intel CPU) is provided with mainboard of the present utility model, built with GNU/
Linux operates main system, and MCU is 8 simple computers, runs simple software.
Wherein, hard disk drive, WiFi module, USB network interfaces (Ethernet), usb audio interface and straight are connected with mainboard
Broadcasting module.An only Ethernet interface is used to connect the network switch on mainboard, to realize the data exchange of device interior,
Therefore the utility model has used some USB Ethernet interfaces to be used to connect external equipment.It is external that the utility model also provides multichannel
Video acquisition line, to gather the video of student in classroom.Equipment provides usb audio adapter, can access tone frequency channel wire, realizes
Monophonic microphone input and audio output.WiFi module is directly connected on mainboard, for realizing local Wi-Fi hotspot function.
Microprocessor is connected with infrared receiver plate and LED light, and infrared receiver plate is used to receive remote controller signal, and leads to
Cross LED light and embody its working condition.Power supply adaptor provides suitable direct-current working volts for microprocessor.
Camera module of the present utility model uses multi-cam structure, and accompanying drawing 2 is shown in which a preferable implementation
Example, mainly includes camera one, camera two, oscillator at same frame, HDMI video acquisition module and GPU.Camera one and shooting
First two connect oscillator at same frame, HDMI video acquisition module simultaneously respectively.Oscillator at same frame is connected with HDMI video acquisition module.
Wherein, multi-cam is IP Camera, mainboard (being substantially integrated in GPU thereon), IP Camera and HDMI video
Acquisition module is connected with each other by the network switch.
As shown in Fig. 2 the camera module of the present embodiment has a shared oscillator at same frame, each IP Camera with this
Oscillator at same frame is connected, to simplify the process of frame synchronization.Because the frame from two cameras is merged into an image,
The frame of two cameras must be synchronous, that is, must assure that and shot in synchronization.As a kind of preferable technological means, take the photograph
As the GPU of head module can be integrated on foregoing mainboard.
Referring to accompanying drawing 3, the operation principle and the course of work of the present embodiment are as follows：
When equipment is powered by dc source (e.g., being converted to 19V through power supply adaptor), microcontroller (MCU) will always
In running status.Hereafter,
1st, MCU is operated by IR remote controller and sends order so that mainboard starts；
2nd, mainboard loads main system by central processing unit, and starts in house software, wherein, there is video inside main system
Processing module, Transformation Service module, calibration module, MCU communication modules and WEB user interface etc.；
3rd, main system sends order as electricity on each part of the more camera lens recorded broadcast equipment of the utility model by MCU；
4th, camera module loading subsystem；
5th, camera synchronous acquisition video image；
6th, HDMI video acquisition module flows Video coding for high bit rate (5M-10M/s), and sends it to GPU；
7th, GPU decodes the video from two pick-up lens, and they are stitched together；
8th, video processing module processing receives the video flowing of splicing from GPU, is fused into different frames according to calibration information
Final video image, and video is encoded on central processing unit in a raw；
9th, fusion video image can be automatically converted to later by Transformation Service module several resolution format (such as MP4,
MKV etc.)；
10th, central processing unit is carried out video live, or be stored in hard disk drive with low bit rate (1M/s) supply into
One step uses.
In above-mentioned steps 8, calibration utility program use computer vision technique identification camera image in background simultaneously
Information is calculated, then is merged two images by Video processing software.
In a concrete application, the utility model is to obtain broader image using the purpose of more camera lenses, matches classroom
The length-width ratio of blackboard, panorama show class hour writing on the blackboard picture on classroom.For example signal, two paths of signals are gathered respectively by two camera lenses
By image mosaic technology real time fusion, clearly panorama blackboard picture is obtained.Fused image resolution ratio can reach 3840*
1080, press close to true blackboard ratio.Vision signal is gathered by twin-lens, also greatly reduces and reaches setting of recording in high precision
Standby cost.
The wide cut vision signal obtained in the present embodiment using twin-lens integration technology, the vision signal warp that camera lens collects
Data processing module is passed to by data collecting card, vision signal is compressed by H.264 (or H.265) video compression technology
Processing.The voice data that peripheral hardware sound pick-up collects synchronously passes to data processing module, and audio, video data is by synchronous, compression
After processing, store in the hard disk built in equipment.H.264 (or H.265) video encoding and decoding standard has low bit- rate (Low Bit
Rate the advantages that), picture quality is high, fault-tolerant ability is strong, network adaptability is strong.It can make full use of in addition H.264 (or H.265)
The advantages of, Faculty and Students and background (blackboard) are separated, significantly have compressed video data.
Web User Interface of the present utility model is made up of Web server, back-end software and client software.It allows to use
Grasped using the generic browser software in different equipment (desktop computer, notebook computer, tablet personal computer, smart mobile phone etc.) at family
Make recorded broadcast equipment.Customer terminal equipment accesses recorded broadcast equipment, realizes online live, point by the WiFi module set on mainboard
Broadcast.
It is to be understood that IP Camera of the present utility model is not limited to two, particular number needs regarding usage scenario
Depending on.
In summary, the utility model shoots with video-corder video image by more camera lenses, and internal data, video figure are transmitted with Ethernet
As splicing through GPU, then it is compressed by CPU.The utility model is with cheap common camera and electronic unit with regard to that can reach
To very high recorded broadcast precision, and Internet video flow is low so that high quality normality record/live come true.
Embodiment two
Referring to accompanying drawing 1,4 and 5, difference of the present embodiment two with embodiment one on hardware is, there is provided one kind is singly taken the photograph
As head recorded broadcast equipment, camera module therein uses single camera structure, is mainly gathered including IP Camera, HDMI video
Module and GPU.
Under normal circumstances, the image of single camera collection can have distortion and aberration in edge.In the present embodiment, HDMI
Video acquisition module flows the encoding video pictures of camera synchronous acquisition for high bit rate (5M-10M/s), and sends it to
GPU, then GPU image will be corrected in the distortion of edge and aberration, final video processing module processing from GPU receive
The video flowing of splicing, different frames is fused into by final video image according to calibration information, and video is encoded in a raw
On central processing unit.
WiFi wireless modules built in recorded broadcast equipment of the present utility model, it can be passed through with terminals such as mobile phone, tablet personal computer, PC
WiFi connection equipment, and then pass through built in client software controlling equipment.The audio-video signal that this recorded broadcast equipment is recorded can lead to
The WAN port progress for crossing the network switch is live, you can to see the classroom picture of recording in real time by internet, by built-in
Wireless module also can see live picture in operation control terminals such as flat board, PC.Pass through internet access recorded broadcast equipment, it is possible to achieve
Line is live, point multicast function.
It is not very big recorded broadcast scene that the present embodiment, which is applied to background width, and single camera structure reduce further equipment
Cost.
Recorded broadcast equipment of the present utility model is during actual recorded broadcast, the vision signal of choosing multiple output resolution ratio,
When selecting 4K (3840*1080) resolution ratio, 9 points of video file size 44MB of 18 seconds are recorded, the video recorded one hour accounts for
With memory space about 540MB, audio sync is clear, can be clearly seen that the word of writing on the blackboard on blackboard.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
The utility model is not limited to description of the above to embodiment, and those skilled in the art disclose according to the utility model
Content, need not pass through the creative work improvement and modification that be carried out on the basis of the utility model, such as built-in camera, interior
Put main frame be changed to respectively external camera, external main frame or otherwise etc., all should be within the scope of protection of the utility model.
Claims (6)
- A kind of 1. more camera lens recorded broadcast equipment, mainly including mainboard, microprocessor, the network switch and camera module, its feature It is：The camera module is connected by the network switch with mainboard；Camera module is connected with the network switch by network external tapping；The microprocessor connects mainboard and camera module simultaneously；The central processing unit of built-in main system is provided with mainboard；The camera module mainly includes camera one, camera two, oscillator at same frame, HDMI video acquisition module and GPU.
- A kind of 2. more camera lens recorded broadcast equipment according to claim 1, it is characterised in that：Hard disk drive, WiFi module, USB network interfaces, usb audio interface and live module are connected with the mainboard.
- A kind of 3. more camera lens recorded broadcast equipment according to claim 1, it is characterised in that：The microprocessor is connected with infrared receiver plate, LED light and power supply adaptor.
- A kind of 4. more camera lens recorded broadcast equipment according to claim 1, it is characterised in that：The camera one, camera two are IP Camera, and the mainboard, IP Camera and HDMI video acquisition module lead to The network switch is crossed to be connected with each other.
- A kind of 5. more camera lens recorded broadcast equipment according to claim 1, it is characterised in that：The GPU is integrated on mainboard.
- A kind of 6. single-lens recorded broadcast equipment, mainly including mainboard, microprocessor, the network switch and camera module, its feature It is：The camera module is connected by the network switch with mainboard, and camera module is external by network with the network switch Mouth connection；The microprocessor connects mainboard and camera module simultaneously；The central processing unit of built-in main system is provided with mainboard；The camera module mainly includes single camera, HDMI video acquisition module and GPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720390580.9U CN206640699U (en) | 2017-04-13 | 2017-04-13 | Recorded broadcast equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720390580.9U CN206640699U (en) | 2017-04-13 | 2017-04-13 | Recorded broadcast equipment |
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| Publication Number | Publication Date |
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| CN206640699U true CN206640699U (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720390580.9U Active CN206640699U (en) | 2017-04-13 | 2017-04-13 | Recorded broadcast equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109803105A (en) * | 2018-12-26 | 2019-05-24 | 中音讯谷科技有限公司 | A kind of integrated audio/video recorded broadcast equipment |
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2017
- 2017-04-13 CN CN201720390580.9U patent/CN206640699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109803105A (en) * | 2018-12-26 | 2019-05-24 | 中音讯谷科技有限公司 | A kind of integrated audio/video recorded broadcast equipment |
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