Audio-video linkage control device and audio-video linked systemTechnical field
The present invention relates to audio-video control device technical field, joins more particularly, to a kind of audio-video linkage control device and phonotape and videotapeDynamic system.
Background technology
Existing microphone host (alternatively referred to as microphone controller) is usually used in meeting, mostly all simply and multichannel microphone is simpleSingle is connected, and is controlled with microphone.Part microphone host can also be set with such as video conference terminal, the first-class outside of shootingIt is standby to be connected, to realize the coordinated signals of microphone and external equipment.
Inventor has found that existing microphone host function is mostly more single in research process, in addition to microphone, microphone masterOther external equipments that machine can control are less, cause to also need to manual control miscellaneous equipment in a meeting, to realize other setThe standby collaborative work with microphone, all switched to if desired for manual control video conference terminal corresponding with sounding microphone shoot pictureFace, more waste time and energy.In addition, the kind of interface on existing microphone host is generally less, make microphone host and external equipmentConnected mode it is more limited.
The content of the invention
In view of this, it is an object of the invention to provide a kind of audio-video linkage control device and audio-video linked system, main frameIt can be connected by polytype interface with external equipment, connected mode is more flexible, so that each external equipment is in main frameControl is lower to cooperate, and is effectively saved human cost, improves Consumer's Experience.
To achieve these goals, the technical scheme that the embodiment of the present invention uses is as follows：
In a first aspect, the embodiments of the invention provide a kind of audio-video linkage control device, including：Main frame, and be arranged atWireless communication module and wireline interface on main frame；Wherein, wireline interface includes cable interface, audio transmission mouth and data transferMouthful；And the quantity of wireline interface is multiple；Wireless communication module includes one kind in infrared module, bluetooth module and WIFI moduleOr it is a variety of, for making main frame wirelessly be connected simultaneously interactive information with external equipment；Wherein, external equipment includes microphone, regardedOne or more in frequency conference terminal, picture pick-up device, playback equipment, sound console, intelligent terminal and server；Cable interface is usedIn main frame is accessed into network in a wired fashion；It is additionally operable to connect microphone, so that main frame passes through netting twine and microphone interactive information；Netting twineInterface is additionally operable to make multiple main frames cascade by netting twine；Audio transmission mouth is used to make main frame connect microphone, video in a wired fashionConference terminal or playback equipment；For making, main frame connects video conference terminal to data transmission mouth in a wired fashion and/or shooting is setIt is standby, so that main frame is controlled by data transmission mouth to video conference terminal and/or picture pick-up device；Data transmission mouth includes stringMouth and/or RS485 control interfaces；Picture pick-up device includes multiple cameras, or, the matrix device of subsidiary multiple cameras.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein, it is mainMachine is connected with video conference terminal and multichannel microphone by wireless communication module and/or wireline interface；Multichannel microphone is used for will be eachMain frame is sent to from the audio of reception；Main frame is additionally operable to detect the fluctuation information of the audio of multichannel microphone, true according to fluctuation informationSurely pronounce microphone, and sends picture order to video conference terminal；Video conference terminal is used to perform picture order,So that shooting picture to be switched to position picture is preset corresponding to pronunciation microphone.
With reference to the first possible embodiment of first aspect, the embodiments of the invention provide second of first aspectPossible embodiment, wherein, each road microphone is additionally operable to send respective switch bonded state to main frame；Main frame is additionally operable to supervisingThe switch bonded state of pronunciation microphone is measured when being changed to off-mode, picture return instruction is sent to video conference terminal, so as to regardDefault position picture corresponding to pronunciation microphone is switched to key frame by frequency conference terminal.
With reference to the first possible embodiment of first aspect, the embodiments of the invention provide the third of first aspectPossible embodiment, wherein, main frame is additionally operable to the audio mix of multichannel microphone into total audio all the way, and total audio is exportedTo the external audio receiving device being connected with main frame；Main frame is additionally operable to carry out noise isolation processing, sound to the audio for the microphone that pronouncesAmount regulation handles and adopted the processing of sound range regulation.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 4th of first aspect kind, wherein, it is mainMachine is additionally operable to prestore and/or the control routine of machine learning external equipment, and polytype external equipment is controlled with compatibility.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 5th of first aspect kind, wherein, it is mainAudio unidirectional delivery portion is additionally provided with machine, for making the audio unidirectional delivery that microphone gathers to main frame, and isolates main frame to wordsThe signal that cylinder transmits.
With reference to the 5th kind of possible embodiment of first aspect, the embodiments of the invention provide the 6th of first aspect kindPossible embodiment, wherein, audio unidirectional delivery portion includes one-way isolation interface, and one-way isolation interface is configured with CANNON dockingHead；Audio isolator is additionally provided with one-way isolation interface；One end of CANNON butt joint is connected with microphone cord, to receive microphone collectionAudio；The other end of CANNON butt joint connects with one-way isolation interface, and audio is transferred into one-way isolation interface, one-way isolationThe audio unidirectional delivery that interface gathers microphone isolates signal of the main frame to microphone transmission to main frame, and by audio isolator.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 7th of first aspect kind, wherein, whenWhen main frame is connected with microphone by wireline interface, main frame is additionally operable to power to microphone by connecting line.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 8th of first aspect kind, wherein, it is blueTooth module includes two-way Bluetooth chip.
Second aspect, the embodiment of the present invention also provide a kind of audio-video linked system, including any one of first aspect is possibleThe audio-video linkage control device that embodiment is provided, in addition to the external equipment being connected with audio-video linkage control device；ItsIn, external equipment comprises at least microphone, in addition to video conference terminal, picture pick-up device, playback equipment, sound console, intelligent terminalWith the one or more in server.
The embodiments of the invention provide a kind of audio-video linkage control device and audio-video linked system, by being set on main frameThere are wireless communication module and wireline interface, external equipment can be made both can to carry out channel radio by wireless communication module and main frameLetter, wired interact can be carried out with main frame by wireline interface again so that each external equipment can flexibly connect with main frame, extensivelyApplied to various occasions, and effectively expand the category for the external equipment that can be connected with main frame.User can also be according to needAsk flexibly from suitable interface connection main frame and external equipment, to realize preferable interaction effect.Connected by above-mentioned interfaceMain frame and all types of external equipments, can make each external equipment be cooperated under the control of main frame, be effectively saved manpowerCost, improve Consumer's Experience.
Other feature and advantage of the disclosure will illustrate in the following description, or, Partial Feature and advantage can be withDeduce from specification or unambiguously determine, or the above-mentioned technology by implementing the disclosure can be learnt.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinateAppended accompanying drawing, is described in detail below.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior artThe required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing belowAccompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paidPut, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows a kind of structural representation for audio-video linkage control device that the embodiment of the present invention is provided；
Fig. 2 shows the structural representation for another audio-video linkage control device that the embodiment of the present invention is provided；
Fig. 3 shows a kind of application schematic diagram for audio-video linkage control device that the embodiment of the present invention is provided；
Fig. 4 shows the application schematic diagram for another audio-video linkage control device that the embodiment of the present invention is provided；
Fig. 5 shows a kind of structural representation for audio-video linked system that the embodiment of the present invention is provided.
Icon：
10- main frames；20- wireless communication modules；21- infrared modules；21a- infrared interfaces；
22- bluetooth modules；23-WIFI modules；30- wireline interfaces；31- cable interfaces；
32- audio transmission mouths；33a- serial ports；33b-RS485 control interfaces；
100- phonotape and videotape linkage control devices；200- external equipments；201- video conference terminals；
202- microphones；300- servers.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present inventionTechnical scheme be clearly and completely described, it is clear that described embodiment is part of the embodiment of the present invention, rather thanWhole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premiseLower obtained every other embodiment, belongs to the scope of protection of the invention.
Existing microphone host is big multi-functional single, and kind of interface is less, is limited with the connected mode of external equipment.ForImprove problem above, a kind of audio-video linkage control device provided in an embodiment of the present invention and audio-video linked system, the technology can be withRealized using corresponding software or hardware, can apply to link in needs such as main sub-venue, video conference, court scenes and controlThe occasion of camera and microphone processed, describes in detail to the embodiment of the present invention below.
Embodiment one：
A kind of structural representation of audio-video linkage control device shown in Figure 1, including：Main frame 10, and be arranged atWireless communication module 20 and wireline interface 30 on main frame 10；Wherein, wireline interface 30 includes cable interface 31, audio transmission mouth32 and data transmission mouth (showing that data transmission mouth includes serial ports 33a and RS485 control interface 33b)；And the number of wireline interfaceMeasure to be multiple；It is understood that what wireless communication module 20 was connected to wireline interface 30 with main frame, so in Fig. 1Directly illustrate wireless communication module 20, the annexation of wireline interface 30 and main frame 10；
Wireless communication module 20 includes the one or more in infrared module 21, bluetooth module 22 and WIFI module 23, usesSimultaneously interactive information is wirelessly connected with external equipment in making main frame；Wherein, external equipment includes microphone, video conference endOne or more in end, picture pick-up device, playback equipment, sound console, intelligent terminal and server；Microphone be cable microphone and/Or wireless microphone, it can also be certainly other various types of microphones, not be limited herein.Intelligent terminal can be mobile phone, electricityBrain etc.；Picture pick-up device can include camera, matrix device etc., and matrix device can be used for being controlled multiple cameras, giveCamera sends signal, to switch camera picture.It can be video matrix equipment in concrete application, be referred to as matrix and cutParallel operation；
Cable interface 31 is used to main frame accessing network in a wired fashion；It is additionally operable to connect microphone, so that main frame passes through netLine and microphone interactive information；Cable interface is additionally operable to make multiple main frames cascade by netting twine；
Audio transmission mouth 32 is used to make main frame connect microphone, video conference terminal or playback equipment in a wired fashion；
Data transmission mouth is used to make main frame connect video conference terminal and/or picture pick-up device in a wired fashion, so that main frameVideo conference terminal and/or picture pick-up device are controlled by data transmission mouth；Data transmission mouth include serial ports 33a and/orRS485 control interfaces 33b；Picture pick-up device includes multiple cameras, or, the matrix device of subsidiary multiple cameras.The dataTransmission mouth can transmit various types of data such as voice data, video data, director data, signal data.
Above-mentioned audio-video linkage control device provided in an embodiment of the present invention, by being provided with wireless communication module on main frameAnd wireline interface, external equipment can be made both can to carry out radio communication by wireless communication module and main frame, can be passed through againWireline interface carries out wired interact with main frame so that each external equipment can flexibly connect with main frame, be widely used in various fieldsClose, and effectively expand the category for the external equipment that can be connected with main frame.User can also be according to demand flexibly from conjunctionSuitable interface connection main frame and external equipment, to realize preferable interaction effect.Main frame and all types of is connected by above-mentioned interfaceExternal equipment, each external equipment can be made to be cooperated under the control of main frame, be effectively saved human cost, improve useExperience at family.
Audio transmission mouth, such as audio for being connected with microphone simply has been simply provided mostly on traditional microphone hostInput port, and the audio output port being connected with sound console, only it is that microphone is controlled, function is more single.This implementationThe above-mentioned audio-video linkage control device that example provides, is provided with wireless communication module and wireline interface, specifically, wireless communication moduleInfrared module, bluetooth module and WIFI module can be included, wireline interface can include cable interface, audio transmission mouth, serial portsWith RS485 control interfaces.The function to each interface and effect describe respectively below：
For infrared module, main frame can be made to pass through the meeting such as infrared module and video conference terminal, picture pick-up deviceRecording equipment is connected by infrared radio, specifically, infrared module can include the infrared interface being arranged on main frame, is pacified thereonProvided with infrared launcher, so that infrared launcher is infrared emission rod as an example, infrared emission rod can use twin-core control line,The infrared transmitting tube of infrared emission rod can be attached on the infrared receiver window of video conference terminal, so as to realize main frame with regardingInfrared interaction between frequency conference terminal.It is that compatibility is extremely strong using the advantage of infrared module, can be with without special purpose interfaceMain frame is set to be controlled the external equipment for being capable of infrared control；And the use of infrared module is more convenient flexibly, only needs to attachInfrared head can be achieved.
For bluetooth module, main frame can be made to be transmitted information by bluetooth module and external equipment.Preferably, the indigo plantTooth module can realize two-way bluetooth interactive function, namely the bluetooth module can be two-way bluetooth module, can use two-way indigo plantTooth chip (may be simply referred to as double Bluetooth chips) is realized.The two-way Bluetooth chip can use CSR series Bluetooth chips, such as usingModel CSR8635A04 chip, realize the two-way interactive of the bluetooth equipment such as main frame and mobile phone.That is, both can conductThe audio input device of mobile phone, can also be as the audio external play equipment of mobile phone, can be with flexible Application in meeting etc., recreation room etc.A variety of occasions, are greatly improved user experience.
For WIFI module, main frame can be made to be connected with radio communications such as servers, so that it is by the sound of receptionFrequency etc. is uploaded onto the server by network, or is uploaded from the other main frames of server download and be stored in the audio of server.ShouldMain frame can also set up Network Management Function, and user carries out network control by intelligent terminal to main frame.
A kind of in order to make it easy to understand, application scenarios given below：The main frame of different places (such as main meeting-place and sub-venue)Between can pass through network carry out it is interactive.Specifically, enter the interaction of row information, shared, control etc. using server.Concrete applicationScene can be：The unlatching and setting of sub-venue tone tracking terminal are managed using software platform by main meeting-place；It is that is, controllableThe main frame for making different meeting-place connects the state of microphone or miscellaneous equipment.Tone tracking terminal include it is various be connected with main frame setIt is standby, such as microphone, sub-venue main frame, picture pick-up device (matrix device of subsidiary camera, camera), stereo set etc..It is differentVoice etc. is downloaded in meeting-place by the way that voice is uploaded onto the server, or from server, when the video conference terminal of some sub-venueAfter being out of order, the audio of the main frame upload of main meeting-place can be downloaded from server in real time, is transmitted directly to the tune being connected with main frameThe stereo sets such as sound platform, so that it is guaranteed that meeting is normally carried out, effectively eliminate the harmful effect that video conference failure is brought.
In addition, when user uses network savvy, it is (soft ad hoc website can be logged in by smart machines such as computer, mobile phonesPart platform or APP), client realize control to main frame.
For cable interface, not only main frame can be accessed network in a wired fashion, so as to realize that above-mentioned WIFI module canThe functions such as the network management of realization, voice backup, but also microphone can be connected, main frame is interacted letter with microphone by netting twineBreath.Main frame and microphone are connected by netting twine, can not be limited by microphone cord, preferably can be carried out the microphone of different placesCollect control.For ease of understanding, a kind of concrete implementation mode is provided herein：There are multiple scattered meetings in setting company buildingRoom, the microphone of different meeting rooms can be collected between sound control by netting twine, be controlled by microphone between sound control.Wherein, soundBetween being arranged at sound control as linkage control device, after the microphone of each meeting room is connected between sound control by netting twine, then each meeting is connected toThe controller that view room is specified, then control signal is returned into corresponding meeting room by controller while microphone audio is transmitted to accordinglyThe equipment such as sound console.The maximum benefit of this function is：All audio ＆ video equipments in Zheng Zhuan buildings be able to can be unifiedManagement and operation, match somebody with somebody without each meeting room between sound control, also greatly reduce administrative staff's quantity and the workload of administrative staff.
Further, above-mentioned network interface can also realize the cascade between multiple main frames, can be according to the actual requirements and cleverLiving to expand, a such as main frame can carry 8 road microphones, and by two main frames cascades, then can carry 16 road microphones, without again moreThe main frame for being equipped with 16 road microphones is changed, simple and easy, cost is relatively low, and is easy to carry out coordinated signals to multiple main frames.
For audio transmission mouth, it can specifically include audio input end and audio output, audio input end can be with wordsCylinder is connected, and audio output can be connected with sound console or stereo set, can such as use RCA interfaces, AUX interfaces, LineThe first-class multiple interfaces of interface, mono microphone interface, CANNON.
For serial ports, serial communication interface is can be described as again, and communication line is simple, as long as a pair of transmission line cans realizations are doubleTo communication, and reliability is stronger, especially suitable for telecommunication, therefore can not by apart from the problems such as influenceed, and serial portsScalability it is stronger, the external equipment such as intelligent terminal such as main frame and computer is connected, it is possible to achieve it is more multi-functional, such as withFamily can be configured by computer to main frame.Main frame can be implemented function such as by serial ports：(1) with video conference terminal phaseEven, to control video conference terminal；(2) matrix device with subsidiary multiple cameras is connected, more to be realized by matrix deviceThe switching and control of the vision signal of individual camera；(3) it is joined directly together with multiple cameras, to control multiple cameras simultaneously.In actual applications, serial ports can be provided with multiple, for the controlled picture pick-up device in part, if using infrared control mode,9 presetting bits may can only be controlled, and by serial ports, then it can control 256 presetting bits so that application is more flexible, such asAccording to the actual requirements main frame can be made to be connected with multiple microphones, camera.In actual applications, serial ports can be RS232Interface；The serial ports is additionally operable to be connected with computer, so that main frame and computer interaction data.
For RS485 control interfaces, it can be connected with video conference terminal, picture pick-up device etc., because RS485 is controlledAgreement only needs two transmission lines, and transmission range farther out, also possesses preferable superior function.
The structural representation of another audio-video linkage control device shown in Figure 2, basically illustrate in Fig. 2 audio-videoThe structure of dynamic control device, shows main frame 10, and be arranged at the cable interface 31 of the backboard side of main frame 10, audio transmission mouth32nd, serial ports 33a and RS485 control interfaces 33b；The infrared interface 21a in infrared module is also show in fig. 2, but is consideredIn bluetooth module and WIFI module insertion main frame, physical interface is had no, therefore do not show that bluetooth module and WIFI module.ShouldIt is noted that each type of interface only shows two in Fig. 2, one can be set as needed and flexibly in actual applicationsIt is individual or multiple.Above-mentioned individual style interface can be arranged at the backboard side of main frame, naturally it is also possible to flexibly be arranged at the other of main framePosition, it will not be repeated here.
In view of can be all provided with places such as important Conference Room, court, hearing rooms in several fixed positionsMultiple cameras, to absorb multiple pictures；What is generally absorbed is all panorama, and multiple video pictures are shown simultaneously, are causedIt is difficult to distinguish live spokesman and see the posture look of spokesman, existing equipment is difficult to position spokesman substantially, can only adoptMultiple spot is taken to find a view, the mode that more scapes converge.In addition, in such as video conference, common scene is done for the multidigit leader of main meeting-placeReport, spokesman's picture is watched in the other meeting-place attended a meeting by video conference terminal；But if the camera of main meeting-place absorbsPanorama, then it is difficult to determine spokesman and spokesman's look；If adjusting camera position, camera is set to shoot spokesmanCorresponding presetting bit, then need to manually adjust, switch over operation at the scene, waste time and energy very much, and it is ineffective.
Based on above mentioned problem, this gives a kind of concrete application scene of audio-video linkage control device, referring to Fig. 3A kind of application schematic diagram of shown audio-video linkage control device, main frame 10 by wireless communication module and/or wired can connectMouth is connected with video conference terminal 201 and multichannel microphone 202；Specifically, figure 3 illustrates main frame 10 by serial ports 33a with regardingFrequency conference terminal 201 is connected, and main frame 10 is connected by cable interface 31 with multichannel microphone 202, and (only symbol illustrates 2 in Fig. 2Road microphone).Certainly, main frame 10 can pass through the infrared module and video conference terminal in wireless communication module in actual applicationsIt is connected, main frame other connected modes such as is connected by microphone cord with microphone, will not be repeated here.Multichannel microphone 202 is used for will be eachMain frame 10 is sent to from the audio of reception；Main frame 10 is additionally operable to detect the fluctuation information of the audio of multichannel microphone, is believed according to fluctuationBreath determines pronunciation microphone, and sends picture order to video conference terminal 201；Video conference terminal 201 is used to perform pictureFace control instruction, shooting picture is switched to and presets position picture corresponding to pronunciation microphone.
, should it is determined that transmitting when audio fluctuates by the fluctuation information of the audio of each road microphone transmission of Host DetectionThe microphone of audio is pronunciation microphone, then controls the picture of video conference terminal to switch to default position corresponding with pronunciation microphone and drawFace, specially video conference terminal control camera shooting pronunciation microphone preset position picture accordingly, so as to shoot record nowSpeaking person, preferably realize the coordinated signals of microphone and camera.This automatic identification pronunciation microphone, and control videoConference terminal switches to the mode of the default position picture of shooting corresponding with pronunciation microphone, without manually switching over, and during switchingBetween can flexibly set, you can user is understood convenient viewing spokesman's picture, be greatly improved user experience.
In addition, it is contemplated that when microphone is mute, it will usually wait preset duration just to determine that spokesman terminates to make a speech, and can just enterRow switches to key frame (namely panorama, or be panorama position)；And when microphone is closed, then it can affirm that spokesman has tiedShu Fayan, then without waiting again, therefore in actual applications, each road microphone can also send respective switch bonded state to masterMachine；Main frame is additionally operable to, when the switch bonded state for monitoring microphone is changed to off-mode, picture be sent to video conference terminalFace return instruction, so that video conference terminal will pronounce, default position picture corresponding to microphone switches to key frame.This mode canTo detect that pronunciation microphone returns immediately after shutting down, avoid spokesman's speech and terminate, and be still in preset duration and show hairThe awkward scene of default position picture where speech people, has saved the stand-by period of user.
For ease of understanding, this gives a kind of course of work of specific audio-video linkage control device：Work as multichannelWhen microphone all the way in microphone opens simultaneously sounding by spokesman, audio-video linkage control device can detect the road microphone transmissionAudio fluctuates, therefore can determine that the road microphone is opened, and the road microphone is determined as pronunciation microphone, so as to whole to video conference(it is of course also possible to being other minutes equipment such as picture pick-up device) is held to send control instruction, so that video conference terminal callsCamera, which is shot, presets position corresponding to the pronunciation microphone, namely switches to the default position picture, realizes " microphone call i.e. callingThe function of corresponding default position (feature position) ".After the on ＆ off switch for monitoring microphone is placed in closing, then to video conference terminalPicture return instruction is sent, default position picture corresponding to microphone switches to key frame so that video conference terminal will pronounce.It is thisWhen mode can make audio-video linkage control device have multiple spokesman in meeting-place, current speaker open microphone speech season regardThe camera of frequency conference terminal can absorb preset feature position corresponding to the spokesman automatically, monitor microphone closing or defaultIn duration during non-sounding, determine that spokesman's speech finishes, camera is switched to panorama position, audio-video coordinated signals dress from feature positionPutting preferably makes microphone and CCD camera collaborative work, is truly realized the coordinated signals of sound-image.
Preferably, main frame is additionally operable to the audio mix of multichannel microphone into total audio all the way, and by total audio export toThe connected external audio receiving device of main frame；External audio receiving device can be sound console, playback equipment etc..This mode canEffectively to reduce microphone amount of wiring, and the microphone input quantity of such as sound console can be reduced, can preferably be applied to more device levelsConnection.
, can be abundant due to wireless communication module and cable interface can be provided with the main frame of audio-video linkage control deviceUsing the network savvy of main frame, voice backup, network management etc. are realized.Another audio-video coordinated signals dress shown in Figure 4The application schematic diagram put, figure 4 illustrates three main frames 10, three main frames 10 are connected with server 300；Each main frame is alsoIt is connected respectively with external equipment 200, specifically, the external equipment 200 in Fig. 4 includes video conference terminal, microphone, picture pick-up deviceAnd playback equipment.It should be noted that in order to which simplicity is illustrated, each style interface on main frame is not showed that in Fig. 4.It is differentMain frame can set up separately and be placed in different meeting-place, voice can be uploaded and back up to server by each main frame.For example, work as some branchWhen the video conference terminal of field breaks down, the audio of the main frame upload of main meeting-place can be downloaded from server in real time, is directly passedThe stereo sets such as the sound console being connected with main frame are given, so that it is guaranteed that meeting is normally carried out, effectively eliminate video conference failure bandThe harmful effect come.In actual applications, the intelligent terminal such as server and computer, mobile phone communicates to connect, and user passes through intelligent endSoftware platform on end can be interacted between control main frame and server, easily manage the main frame of each sub-venue, and controlMake the state for the external equipment being connected with main frame.
Further, main frame is additionally operable to carry out the audio for the microphone that pronounces noise isolation processing, volume adjusting processing and adopts soundRange regulation processing.Specifically, in noise isolation processing, can be by the audio of improper voice by audio surge detectionFilter out, so as to remove denoising.In volume adjusting processing, volume adjustment knob can be set on main frame, can also be identifiedVolume height and adjust automatically.In the processing of sound range regulation is adopted, when monitoring that sound occur overflows, main frame can control microphone to carryHeight adopts sound scope.
In view of the huge number of external equipment, main frame is additionally operable to prestore and/or the control of machine learning external equipmentCode processed, polytype external equipment is controlled with compatibility.Such as, in the market can be stored with main frame often to be set with the outside of modelThe control routine (can be infrared signal code) of standby (video conference terminal, matrix device etc.) so that main frame and outsideAfter equipment is connected, directly external equipment can be controlled.It is understood that if control routine is not stored in main frameType equipment, main frame can be carried out and its learnt to its control routine, so as to be controlled to it using corresponding control routineSystem.Can be that main frame uploads or sets the matrix to set by intelligent terminals such as computers in addition, for the control routine of matrix deviceStandby control routine.By storage or study of the main frame to the control routine of different types of external equipment, main frame can be made cleverCompatible polytype external equipment living, and be controlled, to realize the collaborative work of more equipment.
When being joined directly together in view of main frame and microphone, in mix process may microphone produce signal interference, so as toInfluence tonequality.So audio unidirectional delivery portion can be set on main frame, for making the audio unidirectional delivery that microphone gathers to masterMachine, and isolate main frame to the signal of microphone transmission.In actual applications, audio unidirectional delivery portion includes one-way isolation interface, withOne-way isolation interface is paired with special CANNON butt joint, and microphone cord directly can be connected with the CANNON butt joint, pass through listSignal is transmitted between isolating interface and CANNON butt joint.Wherein, one-way isolation interface is unidirectionally to be connected with butt joint, sound intelligenceMain frame can be transferred to from microphone.Specifically, it is provided with audio isolator in one-way isolation interface；Wherein, the audio isolator can be withTo be realized using uniguide.One end of CANNON butt joint is connected with microphone cord, to receive the audio of microphone collection；CANNON butt jointThe other end connect with one-way isolation interface, audio is transferred to one-way isolation interface, one-way isolation interface gathers microphoneAudio unidirectional delivery isolates signal of the main frame to microphone transmission to main frame, and by audio isolator.By the above-mentioned means, can be withPrevent main frame microphone from producing interference, so as to preferably lift tonequality.
Further, when main frame is connected with microphone by wireline interface, main frame is additionally operable to power to microphone by connecting line.Existing electrostatic microphone, it is to provide 48V voltages by three core microphone cords for microphone by sound console mostly, and the present embodiment providesAudio-video linkage control device can replace sound console, by microphone cord be microphone power, without drawing power line outside；Work as phonotape and videotapeWhen the main frame of linkage control device is connected by cable interface with microphone, POE power supply modes are used to be powered for microphone, namely power supplyIt is transmitted with audio signal by a netting twine, the above-mentioned audio-video linkage control device that the present embodiment provides can replace conventionalThe interchanger with POE functions and directly for microphone power.The audio-video linkage control device that the present embodiment provides can be byMicrophone cord or netting twine are powered for microphone, make the power supply mode of microphone more directly easy.
Embodiment two：
A kind of structural representation of audio-video linked system shown in Figure 5, including previous embodiment offer are anyAudio-video linkage control device 100, in addition to the external equipment 200 being connected with audio-video linkage control device 100；Show in Figure 5Having gone out external equipment includes microphone, in addition to video conference terminal, picture pick-up device, playback equipment, sound console, intelligent terminal kimonosBusiness device.In actual applications, external equipment comprises at least microphone, in addition to video conference terminal, picture pick-up device, playback equipment,One or more in sound console, intelligent terminal and server.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing descriptionSpecific work process, the corresponding process in previous embodiment is may be referred to, will not be repeated here.
In summary, the audio-video linkage control device and audio-video linked system that the present embodiment provides, can have following mainWant function：
(1) multichannel microphone can be connected, wherein, microphone can be cable microphone and/or wireless microphone.It is true by sound wave fluctuationSurely pronounce microphone, so as to send signal to minutes equipment, so that the control camera shooting of minutes equipment is talked about with pronunciationPosition picture is preset corresponding to cylinder, and switches and shows the default position picture, so as to preferably realize that phonotape and videotape links, makes to be connected with main frameMultiple equipment cooperate.Also controllable supporting matrix of audio-video linkage control device etc. simultaneously.Wherein, minutes equipment includesVideo conference terminal, video recorder, camera, recorded broadcast equipment, matrix device etc..
(2) wireless communication module (infrared module, bluetooth module and WIFI module) can be provided with main frame and wired is connectMouth (cable interface, audio transmission mouth and data transmission mouth) etc., can be applied to a variety of occasions, and can be with polytype outsideThe suitable connected mode of equipment choosing connects.
(3) data transmission mouth on main frame can be multiple serial ports and/or RS485 control interfaces, and connection matrix can be achievedEquipment, video conference terminal, multiple first-class external equipments of shooting, so that main frame is controlled to such external equipment.Serial ports and/Or the control mode of RS485 control interfaces is compared to infrared control mode, more flexible and convenient.The serial ports can use commonRS232 interface is realized, can also be used other kinds of interface, be will not be repeated here.
(4) multiple cable interfaces can be provided with main frame, main frame is accessed network, and cable interface with wired formsIt can also be connected with microphone, so as to realize the control of main frame microphone, not limited by microphone cord, can be by different meeting roomsBetween microphone is uniformly connected to sound control by netting twine, it is easy to unified management to operate, reduces management cost.
(5) network savvy, including wired networking and Wireless Networking；Specifically can be by setting radio communication mold on main frameBlock, and cable interface realize the function, so that can lead between the main frame of different places (such as main meeting-place and sub-venue)Cross network and carry out interaction.Specifically, enter the interaction of row information, shared, control etc. using server.Such as, it is possible to achieve voiceBackup functionality, to eliminate the harmful effect that failure is brought, the external equipment that user is connected to multiple main frames and main frame can also be madeIt is managed control.
(6) there is microphone switch key detection function, main frame then makes video conference terminal direct when detecting microphone shutdownKey frame is returned to, without waiting for raising efficiency and Consumer's Experience.
(7) control routine storage and learning functionality, can storing polytype external equipment, (such as video conference is wholeEnd, matrix device) control routine, control routine can be infrared signal code；Or learned according to the setting and guiding of userThe control routine of other external equipments not stored is practised, with when being connected with external equipment, using corresponding external equipmentControl routine is controlled., can compatible various types of external equipments by above-mentioned function.
(8) cascade function between different main frames, specifically, being realized by network interface.
(9) audio unidirectional delivery portion (one-way isolation interface and the special CANNON butt joint with interface pairing), which can be set, makes wordsThe audio unidirectional delivery of cylinder collection isolates main frame to the signal of microphone transmission to main frame, so as to preferably lift tonequality.
(10) there is noise isolation function, specifically, be provided with sound recognition module in main frame, maskable microphone transmission it is non-Voice signal (namely shielding noise, noise etc.).
(11) microphone disc-jockey functionality, microphone volume can be adjusted by volume knob.
(12) microphone adopts sound function, and microphone can be controlled to improve when sound overflows and adopt sound scope.
(13) microphone sound mixing function, multichannel microphone can be transmitted through to the sound come, be mixed into and export all the way to sound console etc.Equipment, reduce microphone amount of wiring and sound console microphone input number can be reduced.The function can preferably be applied to more equipment cascadingsScene.
(14) can be that microphone is powered by being connected with microphone.
In addition, in the description of the embodiment of the present invention, unless otherwise clearly defined and limited, term " installation ", " phaseEven ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；CanTo be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke YishiThe connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at thisConcrete meaning in invention.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be withIt is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other wordsThe part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meterCalculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can bePeople's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are depositedReservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely toBe easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second "," the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：Embodiment described above, it is only the embodiment of the present invention, to illustrate the present inventionTechnical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hairIt is bright to be described in detail, it will be understood by those within the art that：Any one skilled in the artThe invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be lightChange is readily conceivable that, or equivalent substitution is carried out to which part technical characteristic；And these modifications, change or replacement, do not makeThe essence of appropriate technical solution departs from the spirit and scope of technical scheme of the embodiment of the present invention, should all cover the protection in the present inventionWithin the scope of.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.