CN103108110A - Digital court hearing main unit and digital court hearing system - Google Patents
Digital court hearing main unit and digital court hearing system Download PDFInfo
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- CN103108110A CN103108110A CN2011103552630A CN201110355263A CN103108110A CN 103108110 A CN103108110 A CN 103108110A CN 2011103552630 A CN2011103552630 A CN 2011103552630A CN 201110355263 A CN201110355263 A CN 201110355263A CN 103108110 A CN103108110 A CN 103108110A
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Abstract
The invention discloses a digital court hearing main unit and a digital court hearing system. The digital court hearing main unit and the digital court hearing system solve the problem that stability of the integral system is affected by quite complicated wiring due to the fact that various audio and video devices of an existing court hearing system require to be connected mutually directly. The digital court hearing main unit comprises a case and all component parts arranged in the case, the component parts include an audio and video interface unit, a control interface unit, a microprogrammed control unit (MCU) module and a function module, wherein the audio and video interface unit is connected with the external audio and video devices, the MCU module is connected with the control interface unit, and the function module is respectively connected with the MCU module and the audio and video interface unit. The audio and video interface unit, the control interface unit, the MCU module and the like are integrated in the case, and data and control of the various audio and video devices can be processed by the digital court hearing main unit directly without connection of the various audio and video devices, so that the problem of affection on stability of the integral system is solved.
Description
Technical field
The present invention relates to communication technical field, more particularly, relate to a kind of digital court trial main frame and digital court trial system.
Background technology
The digital court trial system is related standards and the standard according to country and Supreme Judicial Court's issue, satisfy open, just, efficient, true, the transparent requirement of court trial process, break time and space factor to the restriction of court's trial activity, standard court's trial activity to greatest extent, improve court's trial efficient, for judge, party, the masses provide service easily, ensure the system that trial procedure is open, efficiently carry out.
At present, on the market digital court trial system sets up standby directly stack and is connected and forms by audio input device, video input apparatus, audio output apparatus, picture output device (audio input device, video input apparatus, audio output apparatus, picture output device can be referred to as audio ﹠ video equipment) etc. are a plurality of.Because each audio ﹠ video equipment needs directly to interconnect each other, cause cabling too complicated, affect the stability of whole system.
Summary of the invention
In view of this, the invention provides a kind of digital court trial main frame and digital court trial system, need each other directly to interconnect to solve each audio ﹠ video equipment of existing court's trial system, cause cabling too complicated, affect the problem of the stability of whole system.
In order to address the above problem, the technical scheme of proposition is as follows:
A kind of digital court trial main frame, each building block that comprises cabinet and be arranged at described cabinet inside, described building block comprises:
The audio-video interface group that is connected with outside audio ﹠ video equipment;
Receive the control command of corresponding external control devices or to the control interface group of peripheral hardware sending controling instruction;
Be connected with described control interface group, carry out corresponding indication or to the MCU module of peripheral hardware sending controling instruction according to described control command;
Be connected with described audio-video interface group, communicate by letter with corresponding outside audio ﹠ video equipment by described audio-video interface group according to described corresponding indication with described MCU module respectively, and finally complete the functional module of operation corresponding to described control command.
Preferably, described audio-video interface group comprises VGA audio frequency and video input/output interface group, AV audio frequency and video input/output interface group, MIC audio mixing input equipment interface and remote audio-video input interface group, wherein:
Described VGA audio frequency and video input/output interface group comprises four VGA video input interfaces, the VGA audio input interface corresponding with described four VGA video input interfaces, four VGA video output interfaces, the VGA audio output interface corresponding with described four VGA video output interfaces;
Described AV audio frequency and video input/output interface group comprise 12 AV video input interfaces, with described 12 audio input interfaces that video input interface is corresponding, a single-image video output interface, a compound picture plane video output interface, and the audio output interface corresponding with described single-image video output interface and compound picture plane video output interface respectively;
Described remote audio-video input interface group comprises remote audio input equipment interface and long-distance video input equipment interface.
Preferably, described control interface group comprises the peripheral communication serial ports group with the external smart devices communicating, and described peripheral communication serial ports group comprises:
Four RS-232 serial communication interfaces and four RS-485/RS232 shared interfaces.
Preferably, described building block also comprises the recorded broadcast module.
Preferably, described building block also comprises power module, external power control module and the adaptive socket of external power that is connected with described external power control module.
Preferably, the adaptive socket of described external power comprises:
220V three plug-and-sockets of a Unite States Standard, GB 220V three plug-and-sockets, GB 220V three plug-and-sockets, an aviation head interface.
Preferably, described control interface group comprises:
Two central control network network interfaces that are connected with the outer computer software platform;
Receive the infrared control interface of Infrared remote controller instruction;
Reception is from the wireless controller interface of the control command of wireless controller, and the external smart equipment of accepting the control command of described digital court trial main frame.
Preferably, described functional module comprises: VGA turns the AV module, and AV turns the VGA module, and audio frequency and video compound compressed code stream generates and the picture segmentation handover module, and the audio frequency and video passage switches and the voice-activated module.
Preferably, also comprise thermovent, described thermovent comprises the louvre that is the arrangement of 15*7 matrix.
A kind of digital court trial system comprises: above-mentioned digital court trial main frame, the audio ﹠ video equipment that is connected with above-mentioned digital court trial main frame, and to the control appliance of above-mentioned digital court trial main frame sending controling instruction.
Can find out from above-mentioned technical scheme, digital court trial main frame disclosed by the invention and digital court trial system are integrated in audio-video interface group, control interface group, MCU module etc. in cabinet, the data of a plurality of audio ﹠ video equipments and control etc. directly get final product by the digital court trial host process, need not to interconnect each other, thereby solved because each audio ﹠ video equipment needs directly to interconnect each other, cause trend too complicated, affect the problem of the stability of a system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the disclosed digital court trial main frame of the embodiment of the present invention;
Fig. 2 is the another structural representation of the disclosed digital court trial main frame of the embodiment of the present invention;
Fig. 3 is the front view of the disclosed digital court trial main frame of the embodiment of the present invention;
Fig. 4 is the rearview of the disclosed digital court trial main frame of the embodiment of the present invention.
Embodiment
For quote and know for the purpose of, the technical term that hereinafter uses, write a Chinese character in simplified form or abridge to sum up and be explained as follows:
The VGA interface: Video Graphics Array interface, also be the D-Sub interface.VGA is decomposed into R, G, B three primary colors and HV row field signal with vision signal and transmits, and the VGA interface can transmit the analog rgb of all forms, any resolution+HV signal now such as VGA, SVGA, XGA;
DVR:Digital Video Recorder, digital video recorder;
MIC:Microphone, microphone;
OSD:on-screen display, the screen menu type regulative mode;
The AV interface: the line of red, white, the yellow three kinds of colors of AV interface forms, and wherein yellow line is video transmission line, and red and white is to be responsible for the transfer voice of left and right acoustic channels, and the appearance of AV interface has been carried out separated transmission to Audio and Video first;
MCU:Micro Control Unit, micro-control unit, claim again one chip microcomputer (SingleChip Microcomputer) or single-chip microcomputer, refer to appearance and development thereof along with large scale integrated circuit, CPU, RAM, ROM, timer conter and the multiple I/O Interface integration of computer are formed the computer of chip-scale on a slice chip, do various combination for different application scenarios and control;
Voice-activated: camera can be adjusted the position that posture focuses on the microphone that is about to speech automatically.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention discloses a kind of digital court trial main frame for the digital court trial system, to solve existing court's trial system because each audio ﹠ video equipment needs directly to interconnect each other, cause trend too complicated, affect the problem of the stability of a system.
Fig. 1 shows a kind of schematic construction of above-mentioned digital court trial main frame: it comprises:
Audio-video interface group 22 is connected with outside audio ﹠ video equipment 21;
Concrete, above-mentioned audio-video interface group 22 can comprise VGA audio frequency and video input/output interface group, AV audio frequency and video input/output interface group, MIC audio mixing input equipment interface and remote audio-video input interface group, wherein: VGA audio frequency and video input/output interface group comprise four VGA video input interfaces, with above-mentioned four audio input interfaces that the VGA video input interface is corresponding, four VGA video output interfaces, with above-mentioned four audio output interfaces that the VGA video output interface is corresponding;
AV audio frequency and video input/output interface group comprise 12 video input interfaces, with above-mentioned 12 audio input interfaces that video input interface is corresponding, a single-image video output interface, a compound picture plane video output interface, and the audio output interface corresponding with described single-image video output interface and compound picture plane video output interface respectively;
Comprise remote audio input equipment interface and long-distance video input equipment interface as for remote audio-video input interface group, can be connected with corresponding remote audio input equipment, long-distance video input equipment.
In other embodiments of the invention, the control interface group in above all embodiment can comprise: with the peripheral communication serial ports group of external smart devices communicating.
Further, peripheral communication serial ports group specifically can comprise four RS-232 serial communication interfaces and four RS-485/RS232 shared interfaces.
In other embodiments of the invention, above-mentioned building block also can comprise power module, external power control module and control with external power the adaptive socket of external power that control module is connected.And the power adaptation socket can comprise 220V three plug-and-sockets of a Unite States Standard, GB 220V three plug-and-sockets, GB 220V three plug-and-sockets and an aviation head interface.
Wherein, power module can external external power source, provides power supply to supply with to each building block of the present invention's digital court trial main frame required for protection.And power module be connected with the external power output control module, under the control of MCU module, the external power output control module can obtain power supply from power module, and provides power supply (also being about to the digital court trial main frame as power supply) by the adaptive socket of external power to the peripheral hardware that is attached thereto.Like this, when digital court trial main frame one powers on, be attached thereto the peripheral hardware that connects and also can power on thereupon, reach the effect of a key start.In other embodiments of the invention, the control interface group in above all inventions can comprise two central control network network interfaces that are connected with the outer computer software platform (main is standby), receives the infrared control interface of Infrared remote controller instruction.
Above-mentioned central control network network interface: can realize that mainly main frame communicates by letter with the outer computer software platform.Digital court trial host computer using central control network network interface of the present invention receives the control command of outer computer software platform, to realize the function by computer software platform centralized control, management and filing court's trial field data.
In other embodiments of the invention, the main frame in above all inventions also can comprise wireless controller, and corresponding, the control interface group also can comprise the wireless control interface of the control command that receives above-mentioned wireless controller.
Need to prove, outer computer software platform, infrared controller and wireless controller all can be realized identical control function to digital court trial main frame of the present invention, and just the control command interactive mode is different.
In other embodiments of the invention, main frame in above all inventions also can comprise the recorded broadcast module, above-mentioned recorded broadcast module is carried out data interaction by network interface (being called in the present invention the DVR network interface) and external equipment, can complete the DVR network hard disc memory that the audio-video code stream after coding is transferred to far-end, audio-video code stream is burnt to CD, and carries out the functions such as internet video live broadcasting by streaming media server.Above-mentioned DVR network interface is that a master one is for two.
And the functional module 105 in above all inventions can comprise that VGA turns the AV module, and AV turns the VGA module, and audio frequency and video compound compressed code stream generates and the picture segmentation handover module, and the audio frequency and video passage switches and the voice-activated module.
Wherein, above-mentioned audio frequency and video compound compressed code stream generates and is connected with audio-video interface group 22 with the picture segmentation handover module, this module can be used for and will generate composite bit stream after the audio and video frequency signal compression, generate single H.264 video flowing, after picture segmentation is switched, the fluorescent screen is divided into a plurality of pictures that carry out simultaneously.
Above-mentioned audio frequency and video passage switches and the voice-activated module, can realize that mainly passage switches and the function of voice-activated.
The audio frequency and video passage switches and can be connected with audio-video interface group 22, MCU module 104 respectively with the voice-activated module, and in some embodiments, it also can turn the AV module with above-mentioned VGA and turn the VGA module with AV and be connected.
Concrete, the implementation of above-mentioned video matrix function is: the electronic analog switch circuit by the 104 indication audio frequency and video passages switchings of MCU module and voice-activated inside modules is selected video channel, realizes that way switches;
Above-mentioned voice-activated function can realize the consistency of voice and video picture, its implementation is: to the MCU module, the MCP module indicates electronic analog switch circuit that video frequency channel is switched to corresponding pre-setting video again by RS232 interface transferring voice excitation control information.If be the ball machine, the MCU module is by the presetting bit of above-mentioned RS-485/RS232 shared interface control marble forming machine, and the key frame of controlling simultaneously compound picture plane switches to the voice-activated video, and perhaps the single channel Picture switch is to the voice-activated video.
For the consideration of heat radiation, above-mentioned main frame also can comprise thermovent.Those skilled in the art can design thermovent according to actual conditions, for example it can be designed to comprise a plurality of louvres.Further, above-mentioned louvre can be the matrix arrangement of 15*7.
the digital court trial main frame attainable major function that matches with other equipment comprises: the real time high-speed AD of the on-the-spot audio-video signal of court's trial gathers, the digital audio/video storage of H.264 encoding, network audio-video code stream decoding live (video resolution is up to the D1 standard), VGA and the output of AV video matrix, the output of multichannel compound picture plane, voice-activated, system power supply one key switch machine, the control information of pre-configuration system environment, wireless touch control figure court on-site terminal equipment, infrared remote control, computer software platform centralized control, management and filing etc.Whole inquiry process to suspect or witness is passed through the high-tech means such as Internet video, remote monitoring, sets up sound, the transmission of video telecommunication network, and whole inquiry process is carried out omnidistance video and audio recording, is made into CD and preserves.It is low that this mode of handling a case has not only solved case handling efficiency, and the disadvantage that cost of judicial is too high has really realized wanting efficient to science and technology; Simultaneously also a kind of day by day open, democracy, convenient, efficient and novel intercommunion platform are provided for various circles of society; For difficult case, person in charge or relevant expert more can carry out remote guide to case at any time, and the quality of case also improves thereupon.
Fig. 2 has further provided the structure chart of main frame, and in this structure chart and main frame in kind, the position of each module, interface is basically identical.Fig. 3 and Fig. 4 show the pictorial diagram of main frame.Wherein, Fig. 3 is front view, and Fig. 4 is rearview.
In main frame shown in Figure 2, the function of power module, external power output control module and recorded broadcast module (in Fig. 2 show) can use independently circuit board to be realized, other modules can be integrated on a mainboard.
Being described as follows of each interface in Fig. 3:
Two USB interface (specifically can be USB2.0) in Fig. 3 can be used for circumscribed USB equipment, for example mouse.
Being described as follows of each interface in Fig. 4:
Wherein:
In Fig. 4,4 RS-232 serial ports that sequence number 1-4 is corresponding, and the part peripheral hardware signaling interface of sequence number 18 correspondences (4 RS-485/RS232 shared interfaces) forms above-mentioned peripheral communication serial ports group (the peripheral hardware communication serial port module in corresponding diagram 3).Wherein, above-mentioned 4 RS-232 serial ports can be connected with projecting apparatus, MIC, VGA equipment, keyboard respectively.It is spare interface that two RS-485/RS232 are arranged in sequence number 18, and the external equipment of all and this Interface Matching can be attached thereto.
In Fig. 4, the total interface that sequence number 5-8 is corresponding consists of above-mentioned VGA audio frequency and video input/output interface group.In addition, sequence number 5 and 6 VGA audio frequency and video input interface can comprise single-image video input interface, compound picture plane video input interface, and the audio input interface corresponding with above-mentioned single-image video input interface and compound picture plane video input interface respectively; And the VGA audio and video output interface of sequence number 7 and 8 also can comprise single-image video output interface, compound picture plane video output interface, and the audio output interface corresponding with above-mentioned single-image video output interface and compound picture plane video output interface respectively.
In Fig. 4, the adaptive socket of the corresponding above-mentioned external power of sequence number 9-12, wherein: American Standard 220V three plug-and-sockets can be connected with screen equipment, GB 220V three plug-and-sockets can be connected with projector apparatus, the aviation head interface can be connected with electrically driven curtain, and another GB 220V three plug-and-sockets can be connected with other equipment.Thereby can one the key start realize the control of court's trial site environment, such as the pass of opening of electrically driven curtain.
In Fig. 4, the RJ45 interface of sequence number 16 correspondences is above-mentioned DVR network interface, and the RJ45 interface of sequence number 17 correspondences is above-mentioned central control network network interface (the central control network network interface module in corresponding diagram 2).
In Fig. 4, in sequence number 18, the RS-485/RS232 shared interface can be used for receiving the external equipment serial data and sends to external equipment serial ports control command, thereby realizes control and status poll to ancillary equipment.Such as can be used as above-mentioned infrared control interface, and can be used for sending control command etc. to the above-mentioned ball machine of mentioning.
In Fig. 4, the audio-video interface of sequence number 19 correspondences, above two interfaces correspond respectively to single-image video output interface and compound picture plane video output interface in above-mentioned AV audio frequency and video input/output interface group, below two interfaces be respectively the audio output interface corresponding with above-mentioned single-image video output interface and compound picture plane video output interface.
In Fig. 4, in the interface of sequence number 20 correspondences, top interface can be used as above-mentioned composite video input interface, and following interface can be used as above-mentioned MIC audio mixing input equipment interface, is connected with MIC audio mixing input equipment.
In Fig. 4, the interface of sequence number 21 correspondences is above-mentioned remote audio-video input interface group.
In Fig. 4,12 audio input interfaces of the corresponding above-mentioned AV audio frequency and video input/output interface group of the interface of sequence number 22 correspondences (cylinder of can answering), 12 video input interfaces (can connect camera etc.) of the corresponding above-mentioned AV audio frequency and video input/output interface group of the interface of sequence number 22.
Sequence number 5-8 in Fig. 4, audio frequency and video input/output interfaces all in 19-23 is corresponding with the VGA-AV audio frequency and video input/output module interface in above-mentioned Fig. 2;
VGA composite video input interface in Fig. 2 and 1 road AV composite video input interface can corresponding with the compound picture plane video input interface in sequence number in Fig. 45 (although 4 interfaces of sequence number 5 are the VGA video input interface, it can be the AV interface physically);
It is corresponding that sequence number 7,8,22 in 16 road AV audio frequency and video outputs and Fig. 4 in Fig. 2,23 audio frequency are looked input interface; In Fig. 2, double-head arrow between VGA-AV audio frequency and video input/output module interface and the output of 16 road AV audio frequency and video and 1 road AV composite video input interface, and the unidirectional arrow between VGA-AV audio frequency and video input/output module interface and VGA composite video input interface, transfer of data or interface between inner each audio-video interface of representative digit court's trial main frame switch.
In addition, it should be noted that, audio frequency and video passage in Fig. 2 switch and the voice-activated module can with Fig. 4 sequence number 7 in 2 VGA audio and video output interface, and 1 AV audio and video output interface in sequence number 19 (being generally audio and video output interface corresponding to compound picture plane) is connected, can satisfy the requirement of different display devices.
In addition; can be used for telecommunication owing to possessing a plurality of central control network network interfaces and RS-485/RS232 shared interface; therefore; the claimed main frame of the embodiment of the present invention has very strong autgmentability; institute-level applicable to single court, law court and multiple-stage method, for the trial court informatization provides good application solution and strong technical support.
To sum up, the product function of above-mentioned main frame is as follows:
√ compresses processing capacity
Support the input of PAL/NTSC standard video signal
Adopt H.264 video compression technology
Adopt the OggVorbits audio compress standard
Generate compound H.264 code stream after the video and audio signal compression, during the code stream playback, Audio and Video keeps synchronous, also single video flowing can be set
The support video parameter dynamically arranges
The highest 4CIF resolution encoding of supporting
Support the multizone mobile detection
Support OSD
Support digital watermark
Adopt H.264 video compression technology
The local processing capacity of √
Six kinds of video recording patterns: commonly used have timing to record a video, manually record a video
Support regularly compression, event compression video recording
Support the SATA hard disk, Hard disk file system is the FAT32 form
Local hard drive SMART technical support
On hard disk, file can be selected cycle index and acyclic record
Backup and the montage of hard disc recording data are provided
Support USB flash disk, USB hard disk, USB CD writer, SATA CD writer, SATA hard disk backup
√ remote processor function
Far-end video input: support the local storage of far-end video, video recording, picture segmentation etc.
Far-end audio input: support the local storage of far-end audio, recording, audio mixing etc.
Far-end video output: support local single-image, compound picture plane output far-end
Far-end audio output: support local audio mixing output far-end
√ preview and playback function
Support that BNC, VGA export connection
The support image local hides
Support to put soon, put slowly, when playback modes such as frames
Retrieve by video recording type, time
Local video state shows
√ controls function
Support The Cloud Terrace, camera lens, light, curtain to control
Support preset point, cruise, track setting and calling
The √ network function
Support ICP/IP protocol
The support dynamic IP addressing is distributed
Network live preview: support the transmission of TCP/UDP/RTP multicast mode
Can pass through any one or more the video and audio signal of network settings parameter, displaying live view
Can check the video equipment state with network
Can be by network control The Cloud Terrace and camera lens
Recording compressed code stream in the time of can passing through network implementation
Can download video file on DVR by network
Can be by the file that records on network remote playback DVR
Can upgrade by network remote, realize remote maintenance
Can pass through browser access DVR
Can be by the daily record in network inquiry DVR
Use password encryption when user name, password and bit stream, prevent from revealing
The √ network control function
Adopt ARM to process framework, embedded OS
Built-in 10/100M adaptive net card
Equipment uses state automatically to detect
Remote Device Control
The support cross-network segment is controlled
Support plug and play
The projector anti-theft controlling alarm
The support video network is downloaded, local playback
Built-in Web Server supports the IE browser access
Multiple-shower pattern (1/2/4/6/8/9/12/16) is supported in preview
Corresponding with it, the embodiment of the invention also discloses the digital court trial system that uses above-mentioned digital court trial main frame, outside the digital court trial main frame, said system also comprises the audio ﹠ video equipment that is connected with above-mentioned digital court trial main frame, to the control appliance of described digital court trial main frame sending controling instruction, and the external smart equipment of accepting the control command of described digital court trial main frame.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a digital court trial main frame, is characterized in that, each building block that comprises cabinet and be arranged at described cabinet inside, and described building block comprises:
The audio-video interface group that is connected with outside audio ﹠ video equipment;
Receive the control command of corresponding external control devices or to the control interface group of outside smart machine sending controling instruction;
Be connected with described control interface group, carry out corresponding indication or to the MCU module of peripheral hardware sending controling instruction according to described control command;
Be connected with described audio-video interface group, communicate by letter with corresponding outside audio ﹠ video equipment by described audio-video interface group according to described corresponding indication with described MCU module respectively, and finally complete the functional module of operation corresponding to described control command.
2. main frame according to claim 1, is characterized in that, described audio-video interface group comprises VGA audio frequency and video input/output interface group, AV audio frequency and video input/output interface group, MIC audio mixing input equipment interface and remote audio-video input interface group, wherein:
Described VGA audio frequency and video input/output interface group comprise four VGA video input interfaces, with described four audio input interfaces that the VGA video input interface is corresponding, four VGA video output interfaces, with described four audio output interfaces that the VGA video output interface is corresponding;
Described AV audio frequency and video input/output interface group comprise 12 AV video input interfaces, with described 12 audio input interfaces that video input interface is corresponding, a single-image video output interface, a compound picture plane video output interface, and the audio output interface corresponding with described single-image video output interface and compound picture plane video output interface respectively;
Described remote audio-video input interface group comprises remote audio input equipment interface and long-distance video input equipment interface.
3. main frame according to claim 1, is characterized in that, described control interface group comprises the peripheral communication serial ports group with the external smart devices communicating, and described peripheral communication serial ports group comprises:
Four RS-232 serial communication interfaces and four RS-485/RS232 shared interfaces.
4. main frame according to claim 1, is characterized in that, described building block also comprises the recorded broadcast module.
5. main frame according to claim 1, is characterized in that, described building block also comprises power module, external power control module and the adaptive socket of external power that is connected with described external power control module.
6. main frame according to claim 1, is characterized in that, described control interface group comprises:
Two central control network network interfaces that are connected with the outer computer software platform;
Receive the infrared control interface of Infrared remote controller instruction;
Reception is from the wireless controller interface of the control command of wireless controller.
7. main frame according to claim 1, is characterized in that, described functional module comprises: VGA turns the AV module, and AV turns the VGA module, and audio frequency and video compound compressed code stream generates and the picture segmentation handover module, and the audio frequency and video passage switches and the voice-activated module.
8. main frame according to claim 5, is characterized in that, the adaptive socket of described external power comprises:
220V three plug-and-sockets of a Unite States Standard;
GB 220V three plug-and-sockets;
GB 220V three plug-and-sockets;
An aviation head interface.
9. main frame according to claim 1, is characterized in that, also comprises thermovent, and described thermovent comprises the louvre that is the arrangement of 15*7 matrix.
10. digital court trial system, it is characterized in that, comprise: digital court trial main frame as claimed in claim 1, the audio ﹠ video equipment that is connected with described digital court trial main frame, to the control appliance of described digital court trial main frame sending controling instruction, and the external smart equipment of accepting the control command of described digital court trial main frame.
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| CN109743476A (en) * | 2019-01-25 | 2019-05-10 | 北京电影学院 | A kind of digital movie field fabrication audio-video signal processing integrated equipment and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107909801A (en) * | 2017-12-04 | 2018-04-13 | 深圳市稻兴实业有限公司 | A kind of method of Duo Tai projectors Simultaneous Switching machine |
| CN107909801B (en) * | 2017-12-04 | 2020-09-22 | 深圳市稻兴实业有限公司 | Method for simultaneously turning on and turning off multiple projectors |
| CN108174133A (en) * | 2017-12-25 | 2018-06-15 | 北京东土科技股份有限公司 | A kind of trial video methods of exhibiting, device, electronic equipment and storage medium |
| CN108174133B (en) * | 2017-12-25 | 2020-04-24 | 北京东土科技股份有限公司 | Court trial video display method and device, electronic equipment and storage medium |
| CN109743476A (en) * | 2019-01-25 | 2019-05-10 | 北京电影学院 | A kind of digital movie field fabrication audio-video signal processing integrated equipment and method |
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| Publication number | Publication date |
|---|---|
| CN103108110B (en) | 2016-08-17 |
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