CN106603938A - Audio and video controlled variable integrated logic-based switching channel transmission system - Google Patents
Audio and video controlled variable integrated logic-based switching channel transmission system Download PDFInfo
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- CN106603938A CN106603938A CN201510340803.6A CN201510340803A CN106603938A CN 106603938 A CN106603938 A CN 106603938A CN 201510340803 A CN201510340803 A CN 201510340803A CN 106603938 A CN106603938 A CN 106603938A
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Abstract
The invention discloses an audio and video controlled variable integrated logic-based switching channel transmission system. When the content of a data source device needs to be played, a transmission channel is switched to a corresponding data source device connected to a first audio and video processor by a first control module. After that, the corresponding data source device sends the to-be-played content to a first audio and video processor. The first audio and video processor converts the to-be-played content into an HDMI digital signal. The HDMI digital signal is sent to a touch screen display to be played after being sequentially subjected to a first HDMI codec, an HDMI cable, a second HDMI codec and the first audio and video processor. At the same time, the touch control signal of a user is sent to the corresponding data source device after being sequentially subjected to a second control module, the second HDMI codec, the HDMI cable, the first codec and a USB server by the touch screen display. Under the control effect of the first control module, the touch control signal is sent to the corresponding data source device, so that the content/application of the corresponding data source device can be touched and controlled.
Description
Technical field
The present invention relates to intelligent demonstration field, in particular to a kind of cutting based on audio frequency and video controlled quentity controlled variable integration logic
Change multi-channel transmission system.
Background technology
Lcd touch all-in-one is widely used in the demonstration field such as teaching and meeting, but often encounters some not using in
The difficulty for easily overcoming, specially：
When needing the outside sources such as notebook to be input into liquid crystal display screen to broadcast, need to be raised in liquid crystal display screen (or remote control)
Go out the menu of channel input, upper lower key stirs selection, find the interface name of oneself insertion passage, then confirm, it is defeated to complete
Enter source channel and correspond to display broadcast.But need user clearly to know input channel title and oneself insert in the process
The corresponding relation of equipment, and liquid crystal input channel interface is often all in the side and the back side of liquid crystal display screen, having mostly includes AV-
Multiple interfaces that IN, VGA-IN, AUDIO-IN, HDMI-IN1 ... ... HDMI-IN-N etc. is more than 4, user is needed in speech
To arrive liquid crystal display screen back or side angle carefully watch connecting line access corresponding interface (possibly multiple equipment is connected to
On multiple interfaces) mark just can make accurate judgment, this not only loses time, more because many liquid crystal display screens be embedded in installation
Inside Push-pull blackboard, the relation of connecting line and interface identifier cannot be observed at all, cause and much use upper difficulty.
Liquid crystal blank user is caused to avoid using external equipment as far as possible.But as wished to continue the use habit of oneself, it is desirable to use this
It is having in people's notebook and in all-in-one OPS without software, it is undesirable to modification logging etc. is input in the case where there is spectators' site environment
These problems are just left and are concealed, and this weakens to a certain extent should having for liquid crystal touch screen all-in-one and well uses body
Test.
The content of the invention
The present invention provides a kind of switching channel Transmission system based on audio frequency and video controlled quentity controlled variable integration logic, existing to solve
At least one problem present in technology.
To reach above-mentioned purpose, the invention provides a kind of switching channel based on audio frequency and video controlled quentity controlled variable integration logic is transmitted
System, including：First audio video processor, the second audio video processor, a HMDI codecs, the 2nd HMDI encoding and decoding
Device, the first control module, the second control module, HDMI cable and USB server, wherein：
At least one data-source device is connected with the corresponding data interface of first audio video processor, first sound
Video processor is connected with a HDMI codecs, the HDMI cable be connected to a HDMI codecs with
Between the 2nd HDMI codecs, the 2nd HDMI codecs are connected with second audio video processor, described
Second audio video processor is connected with the HDMI input interfaces of touch screen displays, and first control module is respectively with described first
Audio video processor, a HDMI codecs are connected with the USB server, the USB server and described first
HDMI codecs be connected, second control module respectively with second audio video processor, the 2nd HDMI codecs
And the touch-control USB interface of touch screen displays, RS232 interfaces are connected；
When the content in needing played data source device, by first control module by transmission channel switch to
The connected corresponding data source device of first audio video processor；Corresponding data-source device sends the content to be played
To first audio video processor, the Content Transformation to be played is HDMI numeral letters by first audio video processor
Number, and a HDMI codecs, the HDMI cable, the 2nd HDMI codecs, first sound described in Jing successively
Video processor is sent to touch screen displays and plays out；Meanwhile, the touching signals of user are sequentially passed through institute by touch screen displays
State the second control module, the 2nd HDMI codecs, the HDMI cable, first codec, USB services
Device, and send touching signals to corresponding data-source device under the control of first control module and counted accordingly with touch-control
According to perhaps applying in source device.
Further, complete each data-source device by the switching of a button of first control module to be accordingly input into
The switching of output channel, the transfer sequence of channel switches or redirects switching for rotation.
Further, first audio video processor is provided with multiple.
Further, when the broadcasting end that touch screen displays are located needs fusion to enter controlled OPS computer passages, utilize
The control signal control that first control module is transmitted plays the chip in end equipment to complete.
Further, first control module control play end equipment in chip mode for it is following any one：
Control OPS audio-video sources, touching signals communication contact, infrared remote control control, RS232 Interface Controllers or HDMI-CEC
Protocol integrated test system.
Further, the touch screen displays are electronic whiteboard or liquid crystal touch screen.
Further, live mike is connected with the corresponding interface of first audio video processor, the Mike of user
Played out by the audio output port of first audio video processor in the embedded numeral of wind audio frequency or analogue audio frequency.
Further, second control module is additionally operable to control second audio video processor to received data
The separation of audio frequency and video control is carried out, including the intersection of audiovisual digital standard and analog system and control signal is separated.
Further, for the audio frequency exported after transmission channel switching is broadcast by being wirelessly transmitted to embedded wireless active audio amplifier
Put, wherein, a HDMI codec transmissions coding before or second audio video processor to audio frequency and video separate after
The audio frequency to be played of transmission.
Further, above-mentioned switching channel Transmission system also by wireless signal control wireless active audio amplifier power supply and/
Or volume.
The present invention will be based on the audio-source under electronic whiteboard (or liquid crystal touch screen) use pattern, video source, touch-control passback
Multiple logical channel controls are rotated switching control, to touch screen one by one unified logical channel control of synthesis with a button
The audio-video signal and touch screen reverse transfer of body machine is transmitted using a high definition cable, realizes the audio and video playing of touch screen
With control of the touch signal to data-source device, the back or side of liquid crystal display screen is needed in speech so as to overcome user
Angle carefully watches the problem that just can make accurate judgment of mark of the corresponding interface of connecting line access, save user when
Between, improve the experience of touch screen all-in-one.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the switching channel Transmission system principle based on audio frequency and video controlled quentity controlled variable integration logic of one embodiment of the invention
Figure；
Fig. 2 is the switching channel Transmission system based on audio frequency and video controlled quentity controlled variable integration logic of a preferred embodiment of the invention
Structure chart.
Specific embodiment
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 carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not paid
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is the switching channel Transmission system principle based on audio frequency and video controlled quentity controlled variable integration logic of one embodiment of the invention
Figure；As shown in figure 1, the embodiment of the present invention is input into mainly for multiple, various video source and touching signals output is corresponding
Multiple equipment channel carries out integration logic control, realizes that multiple key rotation switchings centered on application apparatus are selected, finally
Be integrated into a set of audio frequency and video channel and control signal carries out data exchange with lcd touch all-in-one, reaches and avoids entering on TV
The purpose of the various operations of row.
It is based on the switching channel Transmission system concrete methods of realizing of audio frequency and video controlled quentity controlled variable integration logic：By analogue audio frequency
Amount, analog video amount, digital audio/video amount etc. (can be at multiple audio frequency and video by device packets input digital audio/video processor
Reason device, the present embodiment is exemplified by 2) in, touching signals are distributed to into corresponding numbering equipment interface according to apparatus logic correspondence, most
Whole audio frequency and video are input to any one numeral input mouth of liquid crystal touch control integrated machine by digital cable (HDMI1.4A) unification
(HDMI-IN-N) in, the touching signals output of liquid crystal integral machine is also incorporated into being transmitted in the concentrator of the digital cable.
Fig. 2 is the switching channel Transmission system based on audio frequency and video controlled quentity controlled variable integration logic of a preferred embodiment of the invention
Structure chart.In using liquid crystal touch screen teaching one-piece multimedia teaching, playback equipment must be touch screen all-in-one, including image
Play and sound is played, data-source device might have OPS computers, desktop computer, video exhibition according to the situation of system configuration
One or more in the equipment such as platform, notebook computer, media play box, OPS computers, desk-top electromechanics in the middle of data-source device
Brain, notebook computer need touch-control return data, OPS computers, notebook computer, desktop computer, data-source device to have audio frequency
Output.
As shown in Fig. 2 being included based on the switching channel Transmission system of audio frequency and video controlled quentity controlled variable integration logic：At first audio frequency and video
Reason device, the second audio video processor, a HMDI codecs, the 2nd HMDI codecs, the first control module, the second control
Module, HDMI cable and USB server, wherein：
At least one data-source device is connected with the corresponding data interface of the first audio video processor, the process of the first audio frequency and video
Device is connected with a HDMI codecs, HDMI cable be connected to a HDMI codecs and the 2nd HDMI codecs it
Between, the 2nd HDMI codecs are connected with the second audio video processor, the HDMI of the second audio video processor and touch screen displays
Input interface be connected, the first control module respectively with the first audio video processor, a HDMI codecs and USB server phase
Even, USB server is connected with a HDMI codecs, the second control module respectively with the second audio video processor, second
The touch-control USB interface (TOUCH-USB) of HDMI codecs and touch screen displays, RS232 interfaces are connected；
When the content in needing played data source device, transmission channel is switched to and first by the first control module
The connected corresponding data source device of audio video processor；The content to be played is sent to the first sound by corresponding data-source device
Video processor, the first audio video processor by the Content Transformation to be played be HDMI digital signals (according to data-source device
The unification of the digital system set such as analog system and HDMI, DVI, DisplayPort audio frequency such as video VGA, AV be converted to HDMI
Digital signal is transmitted), and successively the HDMI codecs of Jing the, HDMI cable, the 2nd HDMI codecs, the first sound are regarded
Frequency processor is sent to touch screen displays and plays out；Meanwhile, the touching signals of user are sequentially passed through second by touch screen displays
Control module, the 2nd HDMI codecs, HDMI cable, the first codec, USB server, and in the first control module
Under control touching signals are sent to corresponding data-source device perhaps to apply in the corresponding data-source device of touch-control.
Further, the corresponding input and output of each data-source device are completed by the switching of a button of the first control module
The switching of channel, the transfer sequence of channel switches or redirects switching for rotation.
Wherein, in the specific implementation, above-mentioned first audio video processor can be provided with multiple.
Under touch one-piece machine (liquid crystal display screen adds plug-in type computer OPS) use environment, far call OPS is rotated into integration
The control signal control that the mode of switching channel can be transmitted using the first control module play chip in end equipment come
Complete.First control module control play end equipment in chip mode can for it is following any one：Control OPS audio frequency and video
Source, touching signals communication contact, infrared remote control control, RS232 Interface Controllers or HDMI-CEC protocol integrated test systems.
Wherein, above-mentioned touch screen displays can be electronic whiteboard or liquid crystal touch screen.
At the same time it can also live mike is connected with the corresponding interface of the first audio video processor, the mike of user
Audio frequency can depart from power amplifier, be entered by the audio output port of the first audio video processor in embedded numeral or analogue audio frequency
Row is played.
In the specific implementation, above-mentioned second control module can be also used for controlling the second audio video processor to being received
Data carry out the separation of audio frequency and video control, including the intersection of audiovisual digital standard and analog system and control signal is separated.
In specific embodiment, for the audio frequency exported after transmission channel switching can wirelessly have by being wirelessly transmitted to embed
Source audio amplifier is played, wherein, before IHDMI codec transmissions coding or above-mentioned second audio video processor is divided audio frequency and video
The audio frequency to be played can be transmitted from rear.
When audio frequency is played by wireless active audio amplifier, above-mentioned switching channel Transmission system can also pass through wireless signal control
The quantity of states such as the power supply and/or volume of wireless active audio amplifier processed.
Additionally, above-mentioned HDMI cable is when audio frequency and video high-definition signal (HDMI) and two-way control signal is transmitted, can be with
Low power light current power supply is provided.Wherein, in the case where power conditions are not transmitted, the comprehensive transmission cable that above-described embodiment can be used
Can be the other kinds of transmission medium such as optical fiber, coaxial.
To sum up, in the above embodiment of the present invention, will be based under electronic whiteboard (or liquid crystal touch screen) use pattern
Audio-source, video source, touch-control passback one unified logical channel control of synthesis, by multiple logical channel controls with a button
Rotation switching control, the audio-video signal and touch screen reverse transfer to touch screen all-in-one is transmitted using a high definition cable,
The control of the audio and video playing and touch signal of touch screen to data-source device is realized, is needed in speech so as to overcome user
The mark of the corresponding interface that the back or side angle that arrive liquid crystal display screen carefully watches connecting line access just can make accurate judgment
Problem, save the time of user, improve the experience of touch screen all-in-one.
One of ordinary skill in the art will appreciate that：Accompanying drawing is the schematic diagram of one embodiment, module in accompanying drawing or
Flow process is not necessarily implemented necessary to the present invention.
One of ordinary skill in the art will appreciate that：The module in device in embodiment can be according to embodiment description point
In being distributed in the device of embodiment, it is also possible to carry out respective change and be disposed other than in one or more devices of the present embodiment.On
Stating the module of embodiment can merge into a module, it is also possible to be further split into multiple submodule.
Finally it should be noted that：Above example only to illustrate technical scheme, rather than a limitation；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To modify to the technical scheme described in previous embodiment, or equivalent is carried out to which part technical characteristic；And
These modifications are replaced, and do not make the spirit and model of the essence disengaging embodiment of the present invention technical scheme of appropriate technical solution
Enclose.
Claims (10)
1. a kind of switching channel Transmission system based on audio frequency and video controlled quentity controlled variable integration logic, it is characterised in that include：First sound is regarded
Frequency processor, the second audio video processor, a HMDI codecs, the 2nd HMDI codecs, the first control module, second
Control module, HDMI cable and USB server, wherein：
At least one data-source device is connected with the corresponding data interface of first audio video processor, first audio frequency and video
Processor is connected with a HDMI codecs, the HDMI cable be connected to a HDMI codecs with it is described
Between 2nd HDMI codecs, the 2nd HDMI codecs are connected with second audio video processor, and described second
Audio video processor is connected with the HDMI input interfaces of touch screen displays, and first control module is regarded respectively with first sound
Frequency processor, a HDMI codecs are connected with the USB server, the USB server and a HDMI
Codec be connected, second control module respectively with second audio video processor, the 2nd HDMI codecs and
The touch-control USB interface of touch screen displays, RS232 interfaces are connected；
When the content in needing played data source device, by first control module by transmission channel switch to it is described
The connected corresponding data source device of first audio video processor；The content to be played is sent to institute by corresponding data-source device
The first audio video processor is stated, the Content Transformation to be played is HDMI digital signals by first audio video processor, and
Successively at a HDMI codecs, the HDMI cable, the 2nd HDMI codecs, first audio frequency and video described in Jing
Reason device is sent to touch screen displays and plays out；Meanwhile, the touching signals of user are sequentially passed through described second by touch screen displays
Control module, the 2nd HDMI codecs, the HDMI cable, first codec, the USB server, and
Under the control of first control module touching signals are sent to corresponding data-source device with the corresponding data source of touch-control
Interior in equipment is perhaps applied.
2. the switching channel Transmission system based on audio frequency and video controlled quentity controlled variable integration logic according to claim 1, its feature exists
In completing cutting for the corresponding input-output channel of each data-source device by the switching of a button of first control module
Change, the transfer sequence of channel switches or redirect switching for rotation.
3. the switching channel Transmission system based on audio frequency and video controlled quentity controlled variable integration logic according to claim 1, its feature exists
In first audio video processor is provided with multiple.
4. the switching channel Transmission system based on audio frequency and video controlled quentity controlled variable integration logic according to claim 1, its feature exists
In when the broadcasting end that touch screen displays are located needs fusion to enter controlled OPS computer passages, using the described first control mould
The control signal control that block is transmitted plays the chip in end equipment to complete.
5. the switching channel Transmission system based on audio frequency and video controlled quentity controlled variable integration logic according to claim 4, its feature exists
Control to play the mode of the chip in end equipment in, first control module for it is following any one：
Control OPS audio-video sources, touching signals communication contact, infrared remote control control, RS232 Interface Controllers or HDMI-CEC agreements
Control.
6. the switching channel Transmission system based on audio frequency and video controlled quentity controlled variable integration logic according to claim 1, its feature exists
In the touch screen displays are electronic whiteboard or liquid crystal touch screen.
7. the switching channel Transmission system based on audio frequency and video controlled quentity controlled variable integration logic according to claim 1, its feature exists
In, live mike is connected with the corresponding interface of first audio video processor, the embedded numeral of microphone audio of user
Or played out by the audio output port of first audio video processor in analogue audio frequency.
8. the switching channel Transmission system based on audio frequency and video controlled quentity controlled variable integration logic according to claim 1, its feature exists
In second control module is additionally operable to control second audio video processor and carries out audio frequency and video control to received data
Separation, including audiovisual digital standard and analog system and control signal intersection separate.
9. the switching channel Transmission system based on audio frequency and video controlled quentity controlled variable integration logic according to claim 1, its feature exists
In, for the audio frequency exported after transmission channel switching is played by being wirelessly transmitted to embedded wireless active audio amplifier, wherein, described
Transmit what is played before first HDMI codec transmissions coding or after second audio video processor is separated to audio frequency and video
Audio frequency.
10. the switching channel Transmission system based on audio frequency and video controlled quentity controlled variable integration logic according to claim 9, its feature exists
In also by the power supply and/or volume of wireless signal control wireless active audio amplifier.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340803.6A CN106603938A (en) | 2015-06-19 | 2015-06-19 | Audio and video controlled variable integrated logic-based switching channel transmission system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340803.6A CN106603938A (en) | 2015-06-19 | 2015-06-19 | Audio and video controlled variable integrated logic-based switching channel transmission system |
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Cited By (5)
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| CN107517204A (en) * | 2017-08-11 | 2017-12-26 | 西安万像电子科技有限公司 | Data configuration reads system, method and apparatus |
| CN110062186A (en) * | 2019-05-29 | 2019-07-26 | 北京硬壳科技有限公司 | A kind of data transmission method, system and touch control display |
| CN110308665A (en) * | 2019-06-25 | 2019-10-08 | 珠海格力电器股份有限公司 | Control method of electric appliance with multi-logic work, controller and electric appliance |
| CN111935422A (en) * | 2020-09-24 | 2020-11-13 | 山东超越数控电子股份有限公司 | Multichannel video signal switching system |
| CN113064515A (en) * | 2021-03-19 | 2021-07-02 | 海信视像科技股份有限公司 | Touch display device and USB device switching method |
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Application publication date: 20170426 |