CN108737690A - A kind of distributed collaboration interactive system and method - Google Patents
A kind of distributed collaboration interactive system and method Download PDFInfo
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- CN108737690A CN108737690A CN201810541781.3A CN201810541781A CN108737690A CN 108737690 A CN108737690 A CN 108737690A CN 201810541781 A CN201810541781 A CN 201810541781A CN 108737690 A CN108737690 A CN 108737690A
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- 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
-
- 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
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/0806—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division the signals being two or more video signals
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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention relates to a kind of distributed collaboration interactive system and methods.The system includes sequentially connected multipath signal source, transmission control input interface machine, interchanger, large screen transmission control output interface machine and be spliced by polylith sub-screen；Transmission control input interface machine, corresponding multichannel standardized digital video signal is converted to for receiving the multi-channel video signal and multipath audio signal that are mutually matched in multipath signal source, and by the multi-channel video signal of different-format；Transmission control output interface machine, for according to aobvious control instruction by multichannel standardized digital video signal at least standardized digital video signal transmission and exports and at least audio signal of standardized digital video Signal Matching all the way at least one piece of sub-screen of large screen all the way.The display switching efficiency of distributed interactive system can be improved in technical solution provided by the invention, and enables audio signal and vision signal synchronism switching, improves bandwagon effect.
Description
Technical field
The present invention relates to computer application technologies, and in particular to a kind of distributed collaboration interactive system and method.
Background technology
Traditional distributed interactive system with multi-source, such as operational chain of command or wide area monitoring system, input and are
Multichannel multi-media signal, output are typically displayed on such as display terminal of splicing large-size screen monitors.But if each road signal format has
It is distinguished, then when carrying out signal switching on display terminal, will be had compared with long time delay, in addition, audio and video tend not to do
To synchronism switching.This all seriously limits the bandwagon effect of multi-source interactive system and simple operation.
Invention content
In order to improve the display switching efficiency of distributed interactive system, and enable audio signal and vision signal synchronize cut
It changes, bandwagon effect, a kind of distributed collaboration interactive system of present invention offer and method is provided.
On the one hand, the present invention provides a kind of distributed collaboration interactive system, which includes sequentially connected multichannel letter
Number source, transmission control input interface machine, interchanger, large-size screen monitors transmission control output interface machine and be spliced by polylith sub-screen
Curtain；
The transmission controls input interface machine, for receiving the multi-channel video signal being mutually matched in signal source described in multichannel
And multipath audio signal, and vision signal described in the multichannel by different-format is converted to corresponding multichannel standardized digital video letter
Number；
The transmission controls output interface machine, will be in standardized digital video signal described in multichannel for the aobvious control instruction of basis
At least all the way in standardized digital video signal transmission at least one piece of sub-screen of the large screen, and export and institute
State at least audio signal of standardized digital video Signal Matching all the way.
On the other hand, the present invention provides a kind of distributed collaboration exchange method, this method is applied in above system, packet
It includes：
Step 1, transmission control input interface machine receives the multi-channel video signal being mutually matched in multipath signal source and multichannel
Audio signal, and vision signal described in the multichannel by different-format is converted to corresponding multichannel standardized digital video signal；
Step 2, transmission control output interface machine will be in standardized digital video signal described in multichannel according to aobvious control instruction
At least all the way in standardized digital video signal transmission at least one piece of sub-screen of large screen, and export with it is described at least all the way
The audio signal of standardized digital video Signal Matching.
The advantageous effect of distributed collaboration interactive system and method provided by the invention is that signal source relatively extensively or is believed
Number more multi-source distributed interactive system of branch, since access device is more, the multi-media signal lattice from different signal source
Formula often and differs, and controlling input interface machine by transmission quickly converts the vision signal of different-format in each road signal source
For standardized digital video signal, per road, standardization digital video signal and every road signal source are one-to-one.At the same time,
Input interface machine is also controlled by transmission and receives the audio signal in each road signal source, and by standardized digital video signal and sound
Frequency signal is sent to interchanger, accomplishes that video and audio signal is same and nets transmission.Since signaling traffic is huge, interchanger can have
Effect converges and distributes each road signal, when carrying out display signal switching, transmission line congestion is also avoided that, due to vision signal
It is pre-processed, further improves switching efficiency.It is instructed according to aobvious control, it will at least all the way by transmission control output interface machine
Standardized digital video signal transmission to large screen, each road vision signal can be shown in the sub-screen of splicing large screen
On, can also entire large screen be paved with by signal all the way, large screen can also be divided by multi-channel video signal, respectively in one piece of son
It is shown on the combination screen of screen or polylith sub-screen, to flexibly be shown, improves bandwagon effect.In addition, due to same
Net is transmitted and is corresponded, and audio signal can be carried out at the same time switching with standardized digital video signal, and according to display form
And actual demand, audio signal or the audio signal of multipath audio signal all the way are played by playing device.Final displaying was both wrapped
Visual signal is included, also includes audible signal, further improves the bandwagon effect of multi-source distributed interactive system.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the distributed collaboration interactive system of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the distributed collaboration interactive system of another embodiment of the present invention；
Fig. 3 is the flow diagram of the distributed collaboration exchange method of the embodiment of the present invention.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Figure 1, the distributed collaboration interactive system of the embodiment of the present invention includes sequentially connected multipath signal source, biography
Defeated control input interface machine, interchanger, large screen transmission control output interface machine and be spliced by polylith sub-screen.
The transmission controls input interface machine, for receiving the multi-channel video signal being mutually matched in signal source described in multichannel
And multipath audio signal, and vision signal described in the multichannel by different-format is converted to corresponding multichannel standardized digital video letter
Number.
The transmission controls output interface machine, will be in standardized digital video signal described in multichannel for the aobvious control instruction of basis
At least all the way in standardized digital video signal transmission at least one piece of sub-screen of the large screen, and export and institute
State at least audio signal of standardized digital video Signal Matching all the way.
In the present embodiment, for signal source compared with wide or more signal branch multi-source distributed interactive system, due to
Access device is more, and the multi-media signal format from different signal source often and differs, and passes through transmission and controls input interface
The vision signal of different-format in each road signal source is quickly converted to standardized digital video signal by machine, per road standardized digital
Vision signal and every road signal source are one-to-one.At the same time, input interface machine is also controlled by transmission and receives each road letter
Audio signal in number source, and standardized digital video signal and audio signal are sent to interchanger, accomplish video and sound
Frequency signal is same to net transmission.Since signaling traffic is huge, interchanger can effectively converge and distribute each road signal, carry out display letter
When number switching, also it is avoided that transmission line congestion, due to being pre-processed to vision signal, further improves switching effect
Rate.Instructed according to aobvious control, by transmission control output interface machine will at least all the way standardized digital video signal transmission to large screen,
Each road vision signal can be shown on the sub-screen of splicing large screen, can also be paved with entire large-size screen monitors by signal all the way
Curtain, large screen can also be divided by multi-channel video signal, is carried out on the combination screen of one piece of sub-screen or polylith sub-screen respectively
Display improves bandwagon effect to flexibly be shown.In addition, since same net transmits and corresponds, audio signal can be with
Standardized digital video signal is carried out at the same time switching, and according to display form and actual demand, and sound all the way is played by playing device
The audio signal of frequency signal or multipath audio signal.Final displaying had both included visual signal, also included audible signal, further
Improve the bandwagon effect of multi-source distributed interactive system.
Preferably, as shown in Fig. 2, the distributed collaboration interactive system of another embodiment of the present invention further include respectively with it is described
At least display control device that interchanger is connected with the transmission control input interface machine.
The display control device, for generating the aobvious control instruction, the aobvious control instruction includes screen distribution instruction, the screen
Curtain distribution instruction for by it is described at least all the way standardized digital video signal in a manner of arbitrarily arranging at least described in one piece
It is shown on sub-screen.
If there is 9 tunnels or more signal sources, and large screen includes 9 pieces of sub-screens of 3 rows 3 row, wherein 9 tunnels standardize
Digital video signal can be instructed according to aobvious control and is respectively displayed in 9 pieces of sub-screens, can also will such as the 1st tunnel standardized digital
Paving is shown in large screen vision signal entirely, and the 1st tunnel can also be standardized to digital video signal and be shown in 4 pieces of upper right corner son screen
On the region of curtain composition, while any other 5 road signal is shown on remaining 5 pieces of sub-screens, or with any other arrangement side
Formula is shown, is realized a variety of flexible display modes such as splicing, roaming and superposition, is improved display effect.
Preferably, the aobvious control instruction further includes that image marks and draws instruction, described image mark and draw instruction for it is described at least
Standardized digital video signal carries out plotting operation all the way.
Since display control device itself also can be used as signal source all the way, video input signals and aobvious control command signal can pass through
Transmission control input interface machine access switch, can also be directly accessed interchanger.Marking and drawing instruction according to image can be to specific
Standardized digital video signal carries out the plottings such as rectangle, circle, straight line, arrow or word operation, such as is shown on large screen
Operational commanding map on carry out attack direction plotting, with corresponding audio signal combine after, can be more conducive to understand
The hint expression of remote collaborative interaction.
The aobvious control instruction may also include the instructions such as video record, screen overturning, window scaling and close, to complete
To the corresponding operating of specific standardized digital video signal.
Preferably, distributed collaboration interactive system includes the more display control devices, and the more display control devices include master
Display control device and auxiliary display control device, the main display control device are used for for generating command and control instruction, the command and control instruction
Remote control is carried out to the auxiliary display control device.
In such as operational chain of command, due to that can have more display control devices, however, to ensure that unity of commanded
Property, when issuing specific instruction, need to be manipulated by single display control device.It is instructed by command and control, main display control device
It may be implemented to carry out remote control to auxiliary display control device, such as KVM (Keyboard Video Mouse) carried out to other equipment
Control, that is, through interchanger, the keyboard, video and mouse port for being directly connected to auxiliary display control device control it.
Preferably, the aobvious control instruction further includes audio frequency control instruction, and the audio frequency control instruction plays one for specified
Audio signal described in audio signal described in road or the multichannel through synthesis.
If only vision signal, playing device play matched audio signal all the way all the way for display on large screen,
If showing multi-channel video signal on large screen, playing device both can play the mixed audio of multipath audio signal, can also
It is specified play with the wherein corresponding audio signal of vision signal all the way, realize flexible synchronism switching.
Preferably, signal source described in multichannel and the transmission control input interface machine between, the display control device with it is described
HDMI high definitions are used between transmission control input interface machine and between transmission control output interface machine and the large screen
Data line connects, between transmission control input interface machine and the interchanger, the display control device and the interchanger it
Between and the interchanger and the transmission control output interface machine between using cable connect.
Transmission control input interface machine may be used TRANSFER-1000E, rich interface, input as HDMI interface, defeated
Go out for 2xHDMI interfaces, compatible DVI-D signals support various resolution signals to access, backward compatible, video encoding standard is
H.265, meet coding 1080P@60Hz all the way.TRANSFER-1000D, interface branch may be used in transmission control output interface machine
DVI is held, the formats such as VGA, HDMI directly export, and the signals such as compatible CVBS, Video, YCbCr support output resolution ratio
1920x1080@60Hz。
Every node device, that is, the equipment of signal source and display control device etc. have respective IP address and identification code,
It is interconnected by the 1000M network platforms between each node, using the network transmission control protocol of UDP/IP standards, is supported each
Kind network topology structure, system supports 500 high definition transmission nodes under 1000M platforms.
Preferably, the interchanger is gigabit switch, and the port of the interchanger is that 10/100/1000M is adaptively held
Mouthful.
Due to can automatically switch in the rate of 10mbps, 100mbps and 1000mbps, no matter being connected with cross spider,
Or it is connected with direct-connected line, interchanger can work normally, and ensure the fluency of signal switching.
Preferably, signal source described in multichannel includes streaming media signal and the acquisition signal of audio and video acquisition devices.
Signal source not only can come from the hardware devices such as high-definition camera and microphone, also may be from streaming media signal, into
One step extends the application scenarios and range of distributed collaboration interactive system.
Preferably, the audio signal includes HDMI audio signals and LineIn audio signals.
Different types of audio signal is suitable for different application scenarios, but can coordinate with vision signal, accurately and
It is shown in time.
As shown in figure 3, the distributed collaboration exchange method of the embodiment of the present invention includes：
Step 1, transmission control input interface machine receives the multi-channel video signal being mutually matched in multipath signal source and multichannel
Audio signal, and vision signal described in the multichannel by different-format is converted to corresponding multichannel standardized digital video signal.
Step 2, transmission control output interface machine will be in standardized digital video signal described in multichannel according to aobvious control instruction
At least all the way in standardized digital video signal transmission at least one piece of sub-screen of large screen, and export with it is described at least all the way
The audio signal of standardized digital video Signal Matching.
Reader should be understood that in the description of this specification reference term " one embodiment ", " is shown " some embodiments "
The description of example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure,
Material or feature are included at least one embodiment or example of the invention.In the present specification, above-mentioned term is shown
The statement of meaning property need not be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described
It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this
The technical staff in field can be by the spy of different embodiments or examples described in this specification and different embodiments or examples
Sign is combined.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of distributed collaboration interactive system, which is characterized in that the system comprises sequentially connected multipath signal source, transmission
Control input interface machine, interchanger, large screen transmission control output interface machine and be spliced by polylith sub-screen；
The transmission controls input interface machine, for receiving the multi-channel video signal being mutually matched in signal source described in multichannel and more
Road audio signal, and vision signal described in the multichannel by different-format is converted to corresponding multichannel standardized digital video signal；
The transmission controls output interface machine, for according to aobvious control instruction by standardized digital video signal described in multichannel extremely
In few standardized digital video signal transmission at least one piece of sub-screen of the large screen all the way, and export with it is described extremely
The audio signal of few standardized digital video Signal Matching all the way.
2. distributed collaboration interactive system according to claim 1, which is characterized in that further include respectively with the interchanger
At least display control device connected with the transmission control input interface machine；
The display control device, for generating the aobvious control instruction, the aobvious control instruction includes screen distribution instruction, the screen point
With instruction for by it is described at least all the way standardized digital video signal in a manner of arbitrarily arranging in at least one piece sub- screen
It is shown on curtain.
3. distributed collaboration interactive system according to claim 2, which is characterized in that the aobvious control instruction further includes image
Instruction is marked and drawed, described image marks and draws instruction for standardized digital video signal to carry out plotting operation all the way to described at least.
4. distributed collaboration interactive system according to claim 3, which is characterized in that including the more display control devices,
The more display control devices include main display control device and auxiliary display control device, and the main display control device refers to for generating command and control
It enables, the command and control instruction to the auxiliary display control device for carrying out remote control.
5. distributed collaboration interactive system according to claim 3, which is characterized in that the aobvious control instruction further includes audio
Control instruction, the audio frequency control instruction play audio letter described in the audio signal all the way or the multichannel through synthesis for specified
Number.
6. according to claim 2 to 5 any one of them distributed collaboration interactive system, which is characterized in that signal described in multichannel
Between source and transmission control input interface machine, between the display control device and transmission control input interface machine, and
It is connected using HDMI high-definition data lines between the transmission control output interface machine and the large screen, the transmission control input
Between interface message processor (IMP) and the interchanger, between the display control device and the interchanger and the interchanger and the transmission
It is connected using cable between control output interface machine.
7. distributed collaboration interactive system according to claim 6, which is characterized in that the interchanger exchanges for gigabit
The port of machine, the interchanger is the adaptive ports 10/100/1000M.
8. distributed collaboration interactive system according to any one of claims 1 to 5, which is characterized in that signal described in multichannel
Source includes streaming media signal and the acquisition signal of audio and video acquisition devices.
9. distributed collaboration interactive system according to any one of claims 1 to 5, which is characterized in that the audio signal
Including HDMI audio signals and LineIn audio signals.
10. a kind of distributed collaboration exchange method, which is characterized in that the method includes：
Step 1, transmission control input interface machine receives the multi-channel video signal being mutually matched in multipath signal source and MCVF multichannel voice frequency
Signal, and vision signal described in the multichannel by different-format is converted to corresponding multichannel standardized digital video signal；
Step 2, transmission control output interface machine according to aobvious control instruct by standardized digital video signal described in multichannel at least
All the way in standardized digital video signal transmission at least one piece of sub-screen of large screen, and export and at least standard all the way
Change the matched audio signal of digital video signal.
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| CN113709540A (en) * | 2021-08-20 | 2021-11-26 | 北京计算机技术及应用研究所 | Multi-source video acquisition switching and display system and method based on domestic processor |
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Application publication date: 20181102 |