CN107102694A - A kind of display with kinescope recording function - Google Patents
A kind of display with kinescope recording function Download PDFInfo
- Publication number
- CN107102694A CN107102694A CN201710417004.3A CN201710417004A CN107102694A CN 107102694 A CN107102694 A CN 107102694A CN 201710417004 A CN201710417004 A CN 201710417004A CN 107102694 A CN107102694 A CN 107102694A
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- CN
- China
- Prior art keywords
- display
- module
- video
- audio
- microcomputer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/0482—Interaction with lists of selectable items, e.g. menus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
- G06F1/1605—Multimedia displays, e.g. with integrated or attached speakers, cameras, microphones
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
Abstract
The invention discloses a kind of display with kinescope recording function, including display screen, display internal and external frame, display control input module, display main board and the video interface being integrated on display main board, image processor, microcomputer, the microcomputer that the display control input module is connected to by internal wire on display main board completes human-computer interaction;It is characterized in that, in addition to multichannel driving split screen module, audio/video coding module, voice input module, near-end memory module and the distal end delivery module being integrated on display main board.Advantage:Kinescope recording function is realized using hardware chip module, there is stable, energy-conservation compared to conventional screen video recorder software, efficient, and finding is to be recorded, and shield resolution ratio and refresh rate that video is guaranteed the quality completely the same on screen;The film recording can not only be stored in local peripheral hardware storage device, realization can also be remotely propagated by network mode and preserve or directly decode live.
Description
Technical field
The present invention relates to a kind of display with kinescope recording function, belong to display technology field.
Background technology
Either office or amusement, display is nearly ubiquitous.In many fields, it is intended that display institute
Once existing content can be videoed, and be easy to preserve for a long time and share study.More universal method is to use " film recording " soft
Part, such a method can take the larger resource of host CPU, and the video resolution and refresh rate recorded are all relatively low, and effect is paid no attention to
Think.In addition, we also it is frequently desirable to, carry out film recording when, can also add some audios, can be in film recording
Hold the certain explanation of progress and explanation.
Another function that display is often mentioned is exactly that vision signal ring goes out, i.e., will by a video output interface
Vision signal is traveled on an other display, convenient to be watched at it.The decay of signal quality is limited to, common sound is regarded
Frequency signal wire overall length is always limited, and cost is higher.Audio-video signal compresses, and is propagated by optical fiber solutions, although transmission distance
From farther out, but often to aid in supporting by peripheral hardwares such as outside matrixes, under some simple application environments, use cost is also
Compare high.
The content of the invention
The technical problems to be solved by the invention are that the defect for overcoming prior art has kinescope recording function there is provided one kind
Display.
In order to solve the above technical problems, a kind of display with kinescope recording function of present invention offer, including display screen,
Display internal and external frame, display control input module, display main board and the video interface being integrated on display main board,
Image processor, microcomputer, the display control input module refer to display button or remote control reception module, pass through internal electricity
The microcomputer that line is connected on display main board completes human-computer interaction;The video interface is used to receive vision signal and passes to figure
As processor;
It is characterized in that, in addition to the multichannel driving split screen module that is integrated on display main board, audio/video coding module, voice be defeated
Enter module, near-end memory module and distal end delivery module;
Video signal transmission after processing is driven split screen module by described image processor to multichannel, and the multichannel drives split screen mould
Block exports two-way identical vision signal simultaneously, wherein video signal transmission is used to show to display screen all the way, another road video
Signal is transferred to audio/video coding module, and the voice input module is used to voice signal being converted to electric signal, and by telecommunications
Audio/video coding module number is transferred to, while the audio/video coding module is used to record screen display video, passes through voice
Input module, is the audio-frequency information that video record adds auxiliary, the audio/video information transmission after audio/video coding resume module
To microcomputer, microcomputer connects near-end memory module and distal end delivery module respectively, is deposited audio/video information by near-end memory module
Store up in peripheral hardware storage instrument or be sent to by distal end delivery module with network mode in remote receiver.
Further, the audio/video coding module is used to be compressed coding to the audio-video signal of receiving, so that greatly
Amount reduces data volume, and causes the audio-video signal that has compressed to keep original resolution ratio and refresh rate after the decoding, or
Without compressed encoding, data are led directly to.
Further, the display control input module is directly connected with the microcomputer, is completed in the way of OSD menu
Human-computer interaction, by menu queries external USBs mouth whether be inserted with external memory storage and inquire about it can storage space volume, outside
In the case that portion's storage space is enough, it can start or terminate at any time kinescope recording function;When an insufficient storage space exists, police is proposed
Accuse information and presented with OSD warning messages;When memory space is completely no, kinescope recording function is automatically stopped.
Further, the near-end memory module includes USB interface chip and USB interface, and the microcomputer is sequentially connected USB
Audio-video signal is stored in peripheral hardware storage instrument by interface chip and USB interface.
Further, the distal end delivery module includes network chip, and the network chip is connected with microcomputer, for by sound
Vision signal is transferred to remote receiver by network mode.
Further, the voice input module passes through microphone collected sound signal.
The beneficial effect that the present invention is reached:
A kind of display with kinescope recording function of the present invention, realizes kinescope recording function using hardware chip module, compares
Conventional screen video recorder software has the advantages that stable, energy-conservation, efficient, and finding is to be recorded, and shields video on screen and guaranteed the quality
Complete consistent resolution ratio and refresh rate;The film recording can not only be stored in local peripheral hardware storage device, can also pass through
Network mode remotely propagates realization and preserves or directly decode live.
Brief description of the drawings
Fig. 1 is the display interior main circuit blocks configuration diagram of the present invention.
Fig. 2 is example of the present invention figure.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
As shown in figure 1, a kind of display with kinescope recording function, including display screen, display internal and external frame, display
Device control input module, display main board and the video interface being integrated on display main board, image processor, microcomputer, institute
State display control input module and refer to display button or remote control reception module, display main board is connected to by internal wire
On microcomputer complete human-computer interaction;The video interface is used to receive vision signal and passes to image processor;
It is characterized in that, in addition to the multichannel driving split screen module that is integrated on display main board, audio/video coding module, voice be defeated
Enter module, near-end memory module and distal end delivery module;
Video signal transmission after processing is driven split screen module by described image processor to multichannel, and the multichannel drives split screen mould
Block exports two-way identical vision signal simultaneously, wherein video signal transmission is used to show to display screen all the way, another road video
Signal is transferred to audio/video coding module, and the voice input module is used to voice signal being converted to electric signal, and by telecommunications
Audio/video coding module number is transferred to, while the audio/video coding module is used to record screen display video, passes through Mike
Wind voice input module, is the audio-frequency information that video record adds auxiliary, the audio frequency and video letter after audio/video coding resume module
Breath sends microcomputer to, and microcomputer connects near-end memory module and distal end delivery module respectively, by near-end memory module by audio frequency and video
Information storage is sent in remote receiver into peripheral hardware storage instrument or by distal end delivery module with network mode.
In the present embodiment, the audio/video coding module is used to be compressed coding to the audio-video signal of receiving, so that
It is a large amount of to reduce data volumes, and cause the audio-video signal compressed to keep original resolution ratio and refresh rate after the decoding, or
Person is led directly to without compressed encoding, data.
In the present embodiment, the display control input module is directly connected with the microcomputer, complete in the way of OSD menu
Into human-computer interaction, by menu queries external USB mouth whether be inserted with external memory storage and inquire about it can storage space volume,
In the case that external memory storage space is enough, it can start or terminate at any time kinescope recording function;When an insufficient storage space exists, propose
Warning message is simultaneously presented with OSD warning messages;When memory space is completely no, kinescope recording function is automatically stopped.
In the present embodiment, the near-end memory module includes USB interface chip and USB interface, and the microcomputer is sequentially connected
Audio-video signal is stored in peripheral hardware storage instrument by USB interface chip and USB interface.
In the present embodiment, the distal end delivery module includes network chip, and the network chip is connected with microcomputer, for inciting somebody to action
Audio-video signal is transferred to remote receiver by network mode.
The present invention running be:Display and video signal source (host computer, shooting are first-class) build display environment
And after being powered, video signal source reaches display interior through display interior mainboard video interface.The vision signal is by figure
Picture processing module arrived multichannel driving chip later, and the vision signal is copied into two tunnels and exported by multichannel driving chip, all the way will be aobvious
Show that device is normally lighted, be sent to audio/video coding chip all the way in addition.Audio/video coding chip is to vision signal and microphone
The audio signal of input carries out Real Time Compression and is sent to microcomputer chip.When needing to record screen video, by preprepared USB
Interface peripherals memory is inserted on display USB interface, and display microcomputer chip detects USB peripheral and reads memory space letter
Cease and calculate the time for being available for film recording.Display OSD menu is opened by inputting control, USB peripheral can be read in operator
Information, it is preliminary to understand the time parameter that film recording is available for preserving.Operator starts kinescope recording function and led to as needed
Cross input control module and assign the corresponding command, microcomputer chip delivers to the data that audio/video coding chip is sent by USB interface
USB stores peripheral hardware;When needing to stop curtain recording function and assign the corresponding command by input control module, microcomputer chip is to stop
The data that audio/video coding chip is sent are transported to linking for USB storage peripheral hardwares and cut-out and previous storage information, again
Calculate USB peripheral and be available for storage space information.In addition, microcomputer chip obtains data in real time by network from audio/video coding chip
Chip is converted into network signal data and sent out;It is bridge joint by grid line, the network receiving terminal of distal end flexibly counts this
Storage device is arrived according to storage, or directly delivering to an other display after decoding device is decoded again shows (audio-frequency information
Deliver to sound equipment), remotely regard religion function so as to realize.
As shown in Fig. 2 above-mentioned video interface, image processor, multichannel driving split screen are module integrated in fpga chip
(Xilinx XC7A200T-1FFG1156)It is internal;Finally signal is converted into LVDS forms and lights display screen all the way, and in addition one
Road vision signal is converted into BT1120 and is sent to sea think of Hi3531 chips.Voice input signal is transformed into audio letter by Lou Shi 530o
Number it is sent to sea and thinks Hi3531 chips.Hi3531 chips are thought by after audio-video signal compressed encoding in sea, then are transmitted to FPGA.FPGA will
Receive after the data that Hai Si is sent, will become SFP forms all the way can realize that distal end is sent out by outside optical-electric module by optical fiber
Send;Replicate and be processed into usb signal again by USB connector to outside Sai Pulasi 68013A chips all the way in addition, you can be real
Existing near-end storage.Microcomputer uses STM32, control FPGA data link switch, while collecting the processing states of FPGA currently.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these improve and deformed
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of display with kinescope recording function, including display screen, display internal and external frame, display control input mould
Block, display main board and the video interface being integrated on display main board, image processor, microcomputer, the display control
Input module refers to display button or remote control reception module, and the microcomputer being connected to by internal wire on display main board is completed
Human-computer interaction;The video interface is used to receive vision signal and passes to image processor;
It is characterized in that, in addition to the multichannel driving split screen module that is integrated on display main board, audio/video coding module, voice be defeated
Enter module, near-end memory module and distal end delivery module;
Video signal transmission after processing is driven split screen module by described image processor to multichannel, and the multichannel drives split screen mould
Block exports two-way identical vision signal simultaneously, wherein video signal transmission is used to show to display screen all the way, another road video
Signal is transferred to audio/video coding module, and the voice input module is used to voice signal being converted to electric signal, and by telecommunications
Audio/video coding module number is transferred to, while the audio/video coding module is used to record screen display video, passes through voice
Input module, is the audio-frequency information that video record adds auxiliary, the audio/video information transmission after audio/video coding resume module
To microcomputer, microcomputer connects near-end memory module and distal end delivery module respectively, is deposited audio/video information by near-end memory module
Store up in peripheral hardware storage instrument or be sent to by distal end delivery module with network mode in remote receiver.
2. a kind of display with kinescope recording function according to claim 1, it is characterized in that, the audio/video coding
Module is used to be compressed coding to the audio-video signal of receiving, so as to largely reduce data volume, and the sound compressed is regarded
Frequency signal keeps original resolution ratio and refresh rate after the decoding, or without compressed encoding, data are led directly to.
3. a kind of display with kinescope recording function according to claim 1, it is characterized in that, the display control
Input module is directly connected with the microcomputer, and human-computer interaction is completed in the way of OSD menu, passes through menu queries external USB mouthful
Whether be inserted with external memory storage and inquire about it can storage space volume, can be with the case where outside storage space is enough
When start or terminate kinescope recording function;When an insufficient storage space exists, the information that sounds a warning simultaneously is presented with OSD warning messages;When
When memory space is completely no, kinescope recording function is automatically stopped.
4. a kind of display with kinescope recording function according to claim 1, it is characterized in that, the near-end stores mould
Block includes USB interface chip and USB interface, and the microcomputer is sequentially connected USB interface chip and USB interface protects audio-video signal
It is stored in peripheral hardware storage instrument.
5. a kind of display with kinescope recording function according to claim 1, it is characterized in that, mould is transmitted in the distal end
Block includes network chip, and the network chip is connected with microcomputer, for audio-video signal to be transferred into distal end by network mode
Receiving device.
6. a kind of display with kinescope recording function according to claim 1, it is characterized in that, the phonetic entry mould
Block passes through microphone collected sound signal.
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Cited By (10)
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CN108024079A (en) * | 2017-11-29 | 2018-05-11 | 广东欧珀移动通信有限公司 | Record screen method, apparatus, terminal and storage medium |
CN108055480A (en) * | 2017-12-25 | 2018-05-18 | 南京巨鲨显示科技有限公司 | A kind of single channel vision signal inputs more window display devices |
CN108235097A (en) * | 2018-03-22 | 2018-06-29 | 南京巨鲨显示科技有限公司 | It is a kind of that there is the display of audio/video encoding/decoding |
CN109327728A (en) * | 2018-11-23 | 2019-02-12 | 深圳市鹰硕技术有限公司 | One kind is one-to-many to shield together methods, devices and systems, with screen equipment and storage medium |
CN109413344A (en) * | 2018-10-26 | 2019-03-01 | 北京计算机技术及应用研究所 | Multiresolution screen operator state monitoring apparatus based on video acquisition and coding techniques |
CN109922292A (en) * | 2019-03-11 | 2019-06-21 | 广州视源电子科技股份有限公司 | A kind of record screen system and its record screen method |
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CN112312073A (en) * | 2019-08-01 | 2021-02-02 | 上海鋆锐医疗器械有限公司 | Medical high-definition monitor capable of directly recording operation video based on 5G technology |
CN112702636A (en) * | 2020-10-10 | 2021-04-23 | 广州奥缔飞梭数字科技有限公司 | Intelligent digital display system |
WO2021163879A1 (en) * | 2020-02-18 | 2021-08-26 | 深圳市欢太科技有限公司 | Screen recording method and apparatus, and computer-readable storage medium |
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Cited By (12)
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US10891019B2 (en) | 2016-02-29 | 2021-01-12 | Huawei Technologies Co., Ltd. | Dynamic thumbnail selection for search results |
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CN112312073A (en) * | 2019-08-01 | 2021-02-02 | 上海鋆锐医疗器械有限公司 | Medical high-definition monitor capable of directly recording operation video based on 5G technology |
WO2021163879A1 (en) * | 2020-02-18 | 2021-08-26 | 深圳市欢太科技有限公司 | Screen recording method and apparatus, and computer-readable storage medium |
CN112702636A (en) * | 2020-10-10 | 2021-04-23 | 广州奥缔飞梭数字科技有限公司 | Intelligent digital display system |
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Application publication date: 20170829 |