CN204258983U - Video and audio tape deck - Google Patents
Video and audio tape deck Download PDFInfo
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- CN204258983U CN204258983U CN201420827343.0U CN201420827343U CN204258983U CN 204258983 U CN204258983 U CN 204258983U CN 201420827343 U CN201420827343 U CN 201420827343U CN 204258983 U CN204258983 U CN 204258983U
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Abstract
The utility model relates to a kind of video and audio tape deck, comprising: processor, multiple video distributor, multiple video output interface, pick-up, audio codec and memory; Described processor has multi-channel video interface; The video frequency signal processing received is two-path video signal by described video distributor, and first via vision signal is exported to display by described video output interface and carried out video display, and the second tunnel vision signal is sent to described processor; The simulated audio signal received is sent to described audio codec by described pick-up, and the simulated audio signal received is converted to digital audio and video signals and sends to described processor by described audio codec; Described processor stores in which memory after each the second tunnel vision signal received and digital audio and video signals are carried out synchronous compression.The utility model video and audio tape deck achieves easily to record and the storage of multichannel video/audio signal, and can live and playback easily.
Description
Technical field
The utility model relates to a kind of video and audio processing unit, particularly relates to a kind of video and audio tape deck.
Background technology
In current field of industrial production, automaticity is more and more higher, many production links are completed by the control of computer and automatically without the need to manually participating in directly, computer performs each production stage until complete whole production process according to the program of establishment in advance, has substituted people completely and has implemented management and control to production process.But, computer can only perform instruction according to set program after all, can not judge and decision-making complicated situation as the brain of people completely, once there is fortuitous event in production process, computer possibly cannot provide best solution, light then cause product produce into rate decline, heavy then may parturient paresis be caused, in this case, because system lacks the monitoring to computer controlled process, when often causing accident ex-post analysis, factor data deficiency cannot reproduce accident sight process at that time, is difficult to search real reason.
Existing method installs screen logging software in a computer, gathered and record screen message by operating software.
But there is following shortcoming in existing method:
Screen logging software operates in monitored computer, and real-time is not strong, and frame per second and resolution are all lower, is difficult to full backup detail content;
In order to save computer resource, screen logging software often adopts the lower even incompressible mode record screen message of compression ratio, and can cause storing data space so comparatively large, by the restriction of computer-internal memory space, memory time is shorter;
Screen logging software operates in detected computer, and fail safe is difficult to ensure, once software occurs abnormal and closes, cannot record screen message again.In addition, some screen logging software also can be thought by mistake virus by antivirus software and cannot normally work;
Screen logging software does not generally possess audio collection and writing function.
Utility model content
The purpose of this utility model is the defect for prior art, provides a kind of video and audio tape deck, can when not affecting video display, real-time record collection and storage multichannel video/audio.
For achieving the above object, the utility model provides a kind of video and audio tape deck, and described video and audio tape deck comprises: processor, multiple video distributor, multiple video output interface, pick-up, audio codec and memory;
Described processor has multi-channel video interface, and each video interface connects a video distributor, each video distributor connects a video output interface;
Described processor is connected with memory with described audio codec respectively; Described audio codec is connected with described pick-up;
The video frequency signal processing received is two-path video signal by described video distributor, and first via vision signal is exported to display by described video output interface and carried out video display, and the second tunnel vision signal is sent to described processor;
The simulated audio signal received is sent to described audio codec by described pick-up, and the simulated audio signal received is converted to digital audio and video signals and sends to described processor by described audio codec;
Described processor stores in which memory after each the second tunnel vision signal received and digital audio and video signals are carried out synchronous compression.
Further, described processor also has network interface, and any second tunnel vision signal is exported by network interface by described processor.
Further, described processor also has control interface, and described processor receives control command by described control interface.
Further, described processor is connected with described memory by USB diverter switch.
Further, described memory is connected with USB interface, for statistical conversion by described USB diverter switch.
Further, described video and audio tape deck also comprises indicator light, is connected with described processor.
The utility model video and audio tape deck achieves easily to record and the storage of multichannel video/audio signal, and can live and playback easily.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model video and audio tape deck.
Embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Video and audio tape deck of the present utility model is built in computer display, when not affecting computer and normally showing, display information on Real-time Collection computer screen, synchronous recording gets off, and can by network remote-transmission to Surveillance center, production operation personnel can watch the display frame of monitored computer screen in real time in Surveillance center, follow the tracks of production process, and the record content that can also recall at any time in logging modle carries out searching and playback simultaneously.Such display is equivalent to the black box of whole production control system, record the content intact that it can in whole production control process, screen export computer, to play the object of tracing and monitoring production process, the reason simultaneously also occurred for Correct Analysis accident provides strong guarantee.
Fig. 1 is the schematic diagram of the utility model video and audio tape deck, and as shown in the figure, the utility model comprises processor 1, video distributor 2, pick-up 3, audio codec 4, memory 5 and video output interface 7.
Processor 1 has multi-channel video interface 10, and each video interface 10 connects a video distributor 2, each video distributor 2 connects a video output interface 7.Processor 1 is connected with memory 5 with audio codec 4 respectively; Audio codec 4 is connected with pick-up 3.
The video frequency signal processing received is two-path video signal by video distributor 2, and first via vision signal is exported to display 9 by video output interface 7 and carried out video display, and the second tunnel vision signal is sent to processor 1.
Multichannel first vision signal is shown by display after can splicing.Can realize multi-channel video splicing thus to export, user can utilize computer to watch multi-channel video in real time, understands the vision signal of each computer export of synchronization.
Video distributor 2 can utilize EL5364 to realize, and its effect is divided into two the vision signal of input, and a road is sent into processor 1 and carried out encoding and decoding process and storage, and another road exports after amplifying, and is external on display;
The simulated audio signal received is sent to audio codec 4 by pick-up 3, and the simulated audio signal received is converted to digital audio and video signals and sends to processor 1 by audio codec 4.
Audio codec 4 can be an AIC31 module, and it is an audio frequency input and output codec, simulated audio signal can be converted to I2S signal, docks for processor 1.
Processor 1 is stored in described memory 5 after each the second tunnel vision signal received and digital audio and video signals being compressed.
Concrete, processor can be a high performance ARM framework processor, such as, Hi 3531 chip can be utilized to realize, and inside is made up of two parts, and a part is arm processor, is used for controlling external equipment operating state and providing external instruction interface; Another part is Digital Signal Processing (Digital Signal Processing, DSP) processor, is used for realizing H.264 Audio and Video encoding and decoding, the network package of coded data, and the splicing of multi-channel video.
Processor 1 receives multiple stage computer export multipath VGA vision signal by multi-channel video interface 10, utilize pick-up 3 collection site audio signal, undertaken compressing by form H.264 and store in memory, like this, can logger computer export vision signal and operating personnel's operation note (by keyboard and mouse input).One can with the video content of high definition mode without interruptedly logger computer output, because equipment directly obtains data from computer video delivery outlet, so the content of record is exactly the content be originally presented on screen, be equivalent to the content on screen to copy in real time store, which achieves the object storing displaying information on screen; Two can use a table apparatus to record multi-channel video signal simultaneously, not to need in every platform display all built in video logging modles, save cost.
For multipath VGA signal, each road VGA signal transacting is two-way VGA signal by video distributor by this video and audio tape deck, wherein a road VGA signal video frequency signal is exported to display by video output interface and is carried out video display, another road VGA signal is sent to processor and stores, thus achieve and directly the vision signal that computer sends is outputted on display screen while storage data, like this, while storage screen message, also as usual can export the vision signal of computer export, be equivalent at device interior computer export vision signal be copied copy into two parts of living signals, a copy of it is used for storing, another part is used for external-connection displayer display.Like this, user still can see the content of computer export in real time from screen, can't affect display because of storage;
Again as shown in Figure 1, processor also comprises: network interface 12, control interface 13.The utility model also comprises indicator light 6.
Any second tunnel vision signal is exported by network interface 12 by processor 1.
Network interface 12 can utilize 88E1111 to realize, and it can provide the Ethernet interface of system external, for realizing network direct broadcasting, and receives external control instruction.
Can pass through network interface 12 output video and voice data, user can the vision signal of the arbitrary road input of long-range real-time viewing, or plays the video file that is stored in storage hard disk; Externally play by network interface 12 when needs are inquired about;
Processor 1 receives control command by control interface 13.Control interface 13 can be Ethernet interface, and user assigns instruction by network to equipment, the running status of control appliance.
Preferably, processor 1 is connected with memory 5 by USB diverter switch 14, and memory 5 is connected with usb 11, for statistical conversion by USB diverter switch 14.Utilize USB interface, storage inside hard disk can be mounted on computer as External memory equipment according to external command, realize the management and the derivation that hard drive internal are stored to data.
Such as, USB can be utilized to turn SATA and storage hard disk, storage hard disk is real storage medium, and it is used for storing the Audio and Video data recorded.Why turning SATA by USB diverter switch and USB is mounted in the USB interface of processor, because system can according to external command, storage hard disk is switched to External memory equipment, is mounted on outer computer, by outer computer, content is stored to it and manage and statistical conversion.
Indicator light 6 is connected with processor 1, is mainly used to running status and Interface status etc. by driving outside indicator light display device intuitively.
Equipment corresponding to the utility model video and audio tape deck is identical with regular display size, and outward appearance there is no different part, can be arranged on the region that desktop etc. is suitable as regular display.By computer video source corresponding to computer video source corresponding for this display and other display access video and audio tape deck, audio collecting device (pick-up) is accessed simultaneously, connect various cable, open device power supply (DPS), carry out corresponding configuration, the collection of Audio and Video data, storage, live and playback can be carried out.
When needs carry out live, client connects by network, watches live video on the remote computer, and plays the audio-frequency information of collection in worksite by the sound card on remote computer.This is mainly used in monitoring in real time current each computer operation condition and human users's situation, and monitor staff can be allowed to carry out on-the-spot direct intervention to each computer operation condition exception and personnel's violation operation.
When needs are to historical data playback, client sends request by remote computer, when request obtains after system correctly responds, just can manipulate situation to event generation computer-chronograph screen display content and personnel and carry out synchronized playback, playback video is presented on remote computer display screen, and plays back audio exports by the sound card of remote computer.This is mainly used in the occasions such as accident identification, the analysis of causes and post-mordem forensics.
The utility model video and audio tape deck achieves collection to present displays displaying contents and live audio information, record, live and playback; Achieve the collection to other display displaying contents, record, live and playback; Achieve the live broadcasting to multi-channel video and live audio and playback; Stronger foundation can be provided for post-survey evidence obtaining.
Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only embodiment of the present utility model; and be not used in restriction protection range of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. a video and audio tape deck, is characterized in that, described video and audio tape deck comprises: processor, multiple video distributor, multiple video output interface, pick-up, audio codec and memory;
Described processor has multi-channel video interface, and each video interface connects a video distributor, each video distributor connects a video output interface;
Described processor is connected with memory with described audio codec respectively; Described audio codec is connected with described pick-up;
The video frequency signal processing received is two-path video signal by described video distributor, and first via vision signal is exported to display by described video output interface and carried out video display, and the second tunnel vision signal is sent to described processor;
The simulated audio signal received is sent to described audio codec by described pick-up, and the simulated audio signal received is converted to digital audio and video signals and sends to described processor by described audio codec;
Described processor stores in which memory after each the second tunnel vision signal received and digital audio and video signals are carried out synchronous compression.
2. video and audio tape deck according to claim 1, is characterized in that, described processor also has network interface, and any second tunnel vision signal is exported by network interface by described processor.
3. video and audio tape deck according to claim 1, is characterized in that, described processor also has control interface, and described processor receives control command by described control interface.
4. video and audio tape deck according to claim 1, is characterized in that, described processor is connected with described memory by USB diverter switch.
5. video and audio tape deck according to claim 4, is characterized in that, described memory is connected with USB interface, for statistical conversion by described USB diverter switch.
6. video and audio tape deck according to claim 1, is characterized in that, described video and audio tape deck also comprises indicator light, is connected with described processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420827343.0U CN204258983U (en) | 2014-12-23 | 2014-12-23 | Video and audio tape deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420827343.0U CN204258983U (en) | 2014-12-23 | 2014-12-23 | Video and audio tape deck |
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| Publication Number | Publication Date |
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| CN204258983U true CN204258983U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420827343.0U Active CN204258983U (en) | 2014-12-23 | 2014-12-23 | Video and audio tape deck |
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| CN (1) | CN204258983U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106101797A (en) * | 2016-07-12 | 2016-11-09 | 青岛海信电器股份有限公司 | A kind of screen recording method and touch TV |
| CN108134911A (en) * | 2017-12-28 | 2018-06-08 | 北京中船信息科技有限公司 | Screen recording equipment, screen record system and screen recording method |
| CN110581970A (en) * | 2018-06-07 | 2019-12-17 | 北京华泰科捷信息技术股份有限公司 | network video storage device with face recognition and analysis function and method |
| CN111510766A (en) * | 2020-04-16 | 2020-08-07 | 中国航空无线电电子研究所 | Video coding real-time evaluation and playing tool |
| CN111669533A (en) * | 2020-06-04 | 2020-09-15 | 北京隆鑫泰业科技有限公司 | Signal distribution equipment |
| WO2021068170A1 (en) * | 2019-10-10 | 2021-04-15 | 深圳市大疆创新科技有限公司 | Photographic apparatus and control method therefor, and movable platform |
-
2014
- 2014-12-23 CN CN201420827343.0U patent/CN204258983U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106101797A (en) * | 2016-07-12 | 2016-11-09 | 青岛海信电器股份有限公司 | A kind of screen recording method and touch TV |
| CN108134911A (en) * | 2017-12-28 | 2018-06-08 | 北京中船信息科技有限公司 | Screen recording equipment, screen record system and screen recording method |
| CN110581970A (en) * | 2018-06-07 | 2019-12-17 | 北京华泰科捷信息技术股份有限公司 | network video storage device with face recognition and analysis function and method |
| WO2021068170A1 (en) * | 2019-10-10 | 2021-04-15 | 深圳市大疆创新科技有限公司 | Photographic apparatus and control method therefor, and movable platform |
| CN111510766A (en) * | 2020-04-16 | 2020-08-07 | 中国航空无线电电子研究所 | Video coding real-time evaluation and playing tool |
| CN111669533A (en) * | 2020-06-04 | 2020-09-15 | 北京隆鑫泰业科技有限公司 | Signal distribution equipment |
| CN111669533B (en) * | 2020-06-04 | 2022-03-29 | 北京隆鑫泰业科技有限公司 | Signal distribution equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |