Audio-video linkage control device and audio-video linked systemTechnical field
The present invention relates to phonotape and videotapes to control equipment technical field, joins more particularly, to a kind of audio-video linkage control device and phonotape and videotapeDynamic system.
Background technique
Existing microphone host (alternatively referred to as microphone controller) is usually used in meeting, mostly all only and multichannel microphone is simpleSingle is connected, and is controlled with microphone.Part microphone host can also be set with outsides such as video conference terminal, camerasIt is standby to be connected, to realize the linkage control of microphone and external equipment.
Inventor has found that existing microphone host function is mostly more single in the course of the research, in addition to microphone, microphone masterOther external equipments that machine can control are less, cause also to need the other equipment of manual control in a meeting, to realize other setThe standby collaborative work with microphone such as needs manual control video conference terminal to switch to shooting picture corresponding with sounding microphoneFace, it is more time-consuming and laborious.In addition, the interface on existing microphone host is usually less, make microphone host and external equipmentConnection type it is more limited.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of audio-video linkage control device and audio-video linked system, hostIt can be connected by a plurality of types of interfaces with external equipment, connection type is more flexible, so that each external equipment is in hostControl is lower to cooperate, and is effectively saved human cost, the user experience is improved.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:
In a first aspect, the embodiment of the invention provides a kind of audio-video linkage control devices, comprising: host, and be set toWireless communication module and wireline interface on host；Wherein, wireline interface includes cable interface, audio transmission mouth and data transmissionMouthful；And the quantity of wireline interface is multiple；Wireless communication module includes one of infrared module, bluetooth module and WIFI moduleOr it is a variety of, for connecting host wirelessly with external equipment and interactive information；Wherein, external equipment includes microphone, viewOne of frequency conference terminal, picture pick-up device, playback equipment, sound console, intelligent terminal and server are a variety of；Cable interface is usedIn host is accessed network in a wired fashion；It is also used to connect microphone, so that host passes through cable and microphone interactive information；CableInterface is also used to cascade multiple main frames by cable；Audio transmission mouth is for making host connect microphone, video in a wired fashionConference terminal or playback equipment；For making, host connects video conference terminal to data transmission mouth in a wired fashion and/or camera shooting is setIt is standby, so that host controls video conference terminal and/or picture pick-up device by data transmission mouth；Data transmission mouth includes stringMouth and/or RS485 control interface；Picture pick-up device includes multiple cameras, alternatively, the matrix device of subsidiary multiple cameras.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein mainModule and/or wireline interface are connected with video conference terminal and multichannel microphone to machine by wireless communication；Multichannel microphone is used for will be eachHost is sent to from received audio；Host is also used 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 execute picture order,Shooting picture is switched to the corresponding default position picture of pronunciation microphone.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides second of first aspectPossible embodiment, wherein each road microphone is also used to respective switch bonded state being sent to host；Host is also used to supervisingThe switch bonded state of pronunciation microphone is measured when being changed to off-mode, sends picture return instruction to video conference terminal, so that viewFrequency conference terminal will pronounce the corresponding default position screen switching of microphone to key frame.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides the third of first aspectPossible embodiment, wherein host is also used 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 host；Host is also used to carry out noise isolation processing, sound to the audio of pronunciation microphoneAmount adjusts processing and adopts sound range adjusting processing.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein mainMachine is also used to be stored in advance and/or the control routine of machine learning external equipment, controls a plurality of types of external equipments with compatible.
With reference to first aspect, the embodiment of the invention provides the 5th kind of possible embodiments of first aspect, wherein mainAudio unidirectional delivery portion is additionally provided on machine, the audio unidirectional delivery for acquiring microphone to host, and host is isolated to wordsThe signal of cylinder transmitting.
The 5th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 6th kind of first aspectPossible embodiment, wherein audio unidirectional delivery portion includes one-way isolation interface, and one-way isolation interface is docked configured with CardHead；Audio isolator is additionally provided in one-way isolation interface；One end of Card butt joint is connected with microphone cord, to receive microphone acquisitionAudio；The other end of Card butt joint connects with one-way isolation interface, and audio is transferred to one-way isolation interface, one-way isolationThe signal that host is transmitted to microphone is isolated to host, and by audio isolator in the audio unidirectional delivery that interface acquires microphone.
With reference to first aspect, the embodiment of the invention provides the 7th kind of possible embodiments of first aspect, wherein whenWhen host is connect with microphone by wireline interface, host is also used to power by connecting line to microphone.
With reference to first aspect, the embodiment of the invention provides the 8th kind of possible embodiments of first aspect, wherein blueTooth module includes two-way Bluetooth chip.
Second aspect, it is possible that the embodiment of the present invention also provides any one of a kind of audio-video linked system, including first aspectPhonotape and videotape linkage control device provided by embodiment further includes the external equipment being connected with audio-video linkage control device；ItsIn, it further includes video conference terminal, picture pick-up device, playback equipment, sound console, intelligent terminal that external equipment, which includes at least microphone,With one of server or a variety of.
The embodiment of the invention provides a kind of audio-video linkage control device and audio-video linked systems, by being arranged on hostThere are wireless communication module and wireline interface, external equipment can be made both module and host can to carry out channel radio by wireless communicationLetter, and wired interaction can be carried out by wireline interface and host, each external equipment is flexibly connected with host, extensivelyApplied to various occasions, and effectively expand the category for the external equipment that can be connected with host.User can also be according to needIt asks and flexibly selects suitable interface connection host and external equipment, to realize preferable interaction effect.It is connected by above-mentioned interfaceHost and all types of external equipments, can make each external equipment cooperate under the control of host, be effectively saved manpowerCost, the user experience is improved.
Other feature and advantage of the disclosure will illustrate in the following description, alternatively, Partial Feature and advantage can be withDeduce from specification or unambiguously determine, or by implement the disclosure above-mentioned technology it can be learnt that.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperateAppended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior artEmbodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described belowAttached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative laborIt puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 shows a kind of structural schematic diagram of phonotape and videotape linkage control device provided by the embodiment of the present invention；
Fig. 2 shows the structural schematic diagrams of the audio-video linkage control device of another kind provided by the embodiment of the present invention；
Fig. 3 shows a kind of application schematic diagram of phonotape and videotape linkage control device provided by the embodiment of the present invention；
Fig. 4 shows the application schematic diagram of the audio-video linkage control device of another kind provided by the embodiment of the present invention；
Fig. 5 shows a kind of structural schematic diagram of phonotape and videotape linked system provided by the embodiment of the present invention.
Icon:
10- host；20- wireless communication module；21- infrared module；21a- infrared interface；
22- bluetooth module；23-WIFI module；30- wireline interface；31- cable interface；
32- audio transmission mouth；33a- serial ports；33b-RS485 control interface；
100- phonotape and videotape linkage control device；200- external equipment；201- video conference terminal；
202- microphone；300- server.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present inventionTechnical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather thanWhole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premiseUnder every other embodiment obtained, shall fall within the protection scope of the present invention.
Existing microphone host has a single function mostly, and interface is less, limited with the connection type 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, which can be withUsing corresponding software or hardware realization, it can apply to link in needs such as main sub-venue, video conference, court scenes and controlThe occasion of camera and microphone processed, below describes to the embodiment of the present invention in detail.
Embodiment one:
A kind of structural schematic diagram of audio-video linkage control device shown in Figure 1, comprising: host 10, and be set toWireless communication module 20 and wireline interface 30 on host 10；Wherein, wireline interface 30 includes cable interface 31, audio transmission mouth32 and data transmission mouth (showing data transmission mouth includes serial ports 33a and RS485 control interface 33b)；And the number of wireline interfaceAmount is multiple；It is understood that wireless communication module 20 and wireline interface 30 were connected to host, so in Fig. 1Directly illustrate the connection relationship of wireless communication module 20, wireline interface 30 and host 10；
Wireless communication module 20 includes one of infrared module 21, bluetooth module 22 and WIFI module 23 or a variety of, is usedIn connecting host wirelessly with external equipment and interactive information；Wherein, external equipment includes microphone, video conference endOne of end, picture pick-up device, playback equipment, sound console, intelligent terminal and server are a variety of；Microphone be cable microphone and/Or wireless microphone, it certainly can also be the microphone of various other types, herein with no restrictions.Intelligent terminal can be mobile phone, electricityBrain etc.；Picture pick-up device may include camera, matrix device etc., and matrix device can be used for controlling 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 host accessing network in a wired fashion；It is also used to connect microphone, so that host passes through netLine and microphone interactive information；Cable interface is also used to cascade multiple main frames by cable；
Audio transmission mouth 32 is for making host connect microphone, video conference terminal or playback equipment in a wired fashion；
Data transmission mouth is for making host connect video conference terminal and/or picture pick-up device in a wired fashion, so that hostVideo conference terminal and/or picture pick-up device are controlled by data transmission mouth；Data transmission mouth include serial ports 33a and/orRS485 control interface 33b；Picture pick-up device includes multiple cameras, alternatively, the matrix device of subsidiary multiple cameras.The dataTransmission mouth can transmit various types of data such as audio 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 hostAnd wireline interface, external equipment can be made module can not only to carry out wireless communication by wireless communication with host, but also can pass throughWireline interface and host carry out wired interaction, and each external equipment is flexibly connected with host, is widely used in various fieldsIt closes, and effectively expands the category for the external equipment that can be connected with host.User can also flexibly select conjunction according to demandSuitable interface connection host and external equipment, to realize preferable interaction effect.Host and all types of is connected by above-mentioned interfaceExternal equipment, each external equipment can be made to cooperate under the control of host, be effectively saved human cost, improve useFamily experience.
Audio transmission mouth, such as audio for being connected with microphone has only been simply provided on traditional microphone host mostlyInput port, and the audio output port being connected with sound console are only that microphone is controlled, and 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 moduleIt may include infrared module, bluetooth module and WIFI module, wireline interface may include cable interface, audio transmission mouth, serial portsWith RS485 control interface.The function of each interface and effect are described respectively below:
For infrared module, host can be made to pass through the meetings such as infrared module and video conference terminal, picture pick-up deviceRecording equipment is connected by infrared radio, specifically, infrared module may include the infrared interface being set on host, is pacified thereonEquipped with infrared launcher, by taking infrared launcher is infrared emission stick as an example, infrared emission stick can use twin-core control line,The infrared transmitting tube of infrared emission stick can be attached on the infrared receiver window of video conference terminal, to realize host and viewInfrared interaction between frequency conference terminal.It is that compatibility is extremely strong using the advantage of infrared module, is not necessarily to special purpose interface, it canControl host to the external equipment for capableing of infrared control；And infrared module using it is more convenient flexibly, only need to attachInfrared head can be realized.
For bluetooth module, host can be made to carry out transmission information by bluetooth module and external equipment.Preferably, the indigo plantTooth module can realize that 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 chip, such as usingThe chip of model CSR8635A04 realizes the two-way interactive of the bluetooth equipments such as host and mobile phone.That is, both can be used asThe audio input device of mobile phone can also be used 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, the wireless communications such as host and server can be made to connect, to make it by received soundFrequencies etc. are uploaded to server by network, or download the audio that other hosts upload and are stored in server from server.It shouldHost can also add Network Management Function, and user carries out network-control to host by intelligent terminal.
In order to make it easy to understand, a kind of application scenarios are given below: the host of different places (such as main meeting-place and sub-venue)Between can be interacted by network.Specifically, carrying out interaction, the shared, control etc. of information using server.Concrete applicationScene can be with are as follows: manages the unlatching and setting of sub-venue tone tracking terminal using software platform by main meeting-place；That is, controllableMake the connected microphone of host in different meeting-place or the state of other equipment.Tone tracking terminal include it is various be connected with host setIt is standby, such as microphone, sub-venue host, picture pick-up device (matrix device of subsidiary camera, camera), stereo set etc..It is differentMeeting-place is by being uploaded to server for voice, or from server downloading voice etc., when the video conference terminal of some sub-venueAfter being out of order, the audio that can be uploaded in real time from the host of server downloading main meeting-place is transmitted directly to the tune being connected with hostThe stereo sets such as sound platform effectively eliminate video conference failure bring adverse effect so that it is guaranteed that meeting is normally carried out.
In addition, it is (soft ad hoc website can be logged in by smart machines such as computer, mobile phones when user uses network savvyPart platform or APP), client realize control to host.
For cable interface, not only host can be accessed into network in a wired fashion, to realize that above-mentioned WIFI module canThe functions such as network management, the voice backup of realization, but also can connect microphone, so that host is interacted letter with microphone by cableBreath.Host and microphone are connected by cable, can not be limited by microphone cord, can preferably be carried out the microphone of different placesSummarize control.For ease of understanding, provide a kind of concrete implementation mode herein: setting has multiple dispersion meetings in company buildingThe microphone of room, different meeting rooms can be summarized by cable between sound control, be controlled by microphone between sound control.Wherein, soundBetween being set to sound control as linkage control device, after the microphone of each meeting room is connected between sound control by cable, then it is connected to each meetingThe specified controller in room is discussed, then the corresponding meeting room of signal return will be controlled 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 the building Zheng Zhuan can be unifiedManagement and operation match between sound control without each meeting room, 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 actual needs and cleverLiving to expand, such as a host can have 8 road microphones, and two hosts are cascaded, then can have 16 road microphones, without again moreThe host for being equipped with 16 road microphones is changed, simple and easy, cost is relatively low, and convenient for carrying out linkage control to multiple main frames.
For audio transmission mouth, audio input end and audio output can specifically include, 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 interface, AUX interface, LineMultiple interfaces such as interface, mono microphone interface, blocking head.
For serial ports, and can be described as serial communication interface, communication line is simple, as long as a pair of of transmission line realize it is doubleTo communication, and reliability is stronger, especially suitable for telecommunication, therefore can not by apart from the problems such as influenced, and serial portsScalability it is stronger, the external equipments such as intelligent terminals such as host and computer are connected, may be implemented it is more multi-functional, such as withFamily can be configured host by computer.Host can be implemented function such as by serial ports: (1) with video conference terminal phaseEven, to control video conference terminal；(2) it is connected with the matrix device of subsidiary multiple cameras, it is more to be realized by matrix deviceThe switching and control of the vision signal of a camera；(3) it is connected directly with multiple cameras, to control multiple cameras simultaneously.In practical applications, serial ports can be set multiple, the picture pick-up device controlled for 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 using more flexible, such asHost can be made to be connected with multiple microphones, camera according to actual needs.In practical applications, serial ports can be RS232Interface；The serial ports is also used to be connected with computer, so that host and computer interaction data.
For RS485 control interface, can be connected with video conference terminal, picture pick-up device etc., since RS485 is controlledAgreement only needs two transmission lines, and transmission range farther out, also has preferable superior function.
The structural schematic diagram of the audio-video linkage control device of another kind shown in Figure 2 basically illustrates in Fig. 2 audio-videoThe structure of dynamic control device, shows host 10, and be set to the cable interface 31 of the backboard side of host 10, audio transmission mouth32, serial ports 33a and RS485 control interface 33b；The infrared interface 21a in infrared module is also shown in Fig. 2, but is consideredIn bluetooth module and WIFI module insertion host, physical interface is had no, therefore do not show that bluetooth module and WIFI module.It shouldIt is noted that each type of interface only shows two in Fig. 2, can according to need and flexible setting one in practical applicationsIt is a or multiple.Above-mentioned a style interface can be set in the backboard side of host, naturally it is also possible to which flexible setting is in the other of hostPosition, details are not described herein.
In view of can be all equipped in several fixed positions in places such as important Conference Room, court, hearing roomsMultiple cameras, to absorb multiple pictures；What is usually absorbed is all panorama, and multiple video pictures are shown simultaneously, are causedIt is difficult to distinguish live spokesman and sees 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, common scene is that the multidigit leader of main meeting-place does in such as video conferenceIt reports, spokesman's picture is watched by video conference terminal in the other meeting-place attended a meeting；If however the camera of main meeting-place absorbsPanorama is then difficult to determine spokesman and spokesman's look；If adjusting camera position, camera is made to shoot spokesmanCorresponding presetting bit, then need to manually adjust, and switches over operation at the scene, very time-consuming and laborious and ineffective.
Based on the above issues, this gives a kind of concrete application scenes of audio-video linkage control device, referring to Fig. 3Shown in a kind of application schematic diagram of audio-video linkage control device, host 10 module and/or wired can connect by wireless communicationMouth is connected with video conference terminal 201 and multichannel microphone 202；Specifically, host 10, which is shown in FIG. 3, passes through serial ports 33a and viewFrequency conference terminal 201 is connected, and host 10 is connected by cable interface 31 with multichannel microphone 202, and (only symbol illustrates 2 in Fig. 2Road microphone).Certainly, host 10 can by wireless communication in module in practical applications infrared module and video conference terminalIt is connected, host other connection types such as is connected by microphone cord with microphone, and details are not described herein.Multichannel microphone 202 is used for will be eachHost 10 is sent to from received audio；Host 10 is also used 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 for executing pictureShooting picture is switched to the corresponding default position picture of pronunciation microphone by face control instruction.
Determine that transmitting should when audio fluctuates by the fluctuation information of the audio of each road microphone transmitting of Host DetectionThe microphone of audio is pronunciation microphone, then screen switching to the default position corresponding with pronunciation microphone for controlling video conference terminal is drawnFace, specially video conference terminal control camera shooting pronunciation microphone and preset position picture accordingly, to shoot record at this timeSpeaking person, preferably realize the linkage control of microphone and camera.This automatic identification pronunciation microphone, and control videoConference terminal switches to the mode for shooting default position picture corresponding with pronunciation microphone, without manually switching over, and when switchingBetween can flexible setting, that is, family can be used to understand 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, Cai HuijinRow 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 no longer needs to wait, therefore in practical applications, and respective switch bonded state can also be sent to master by each road microphoneMachine；Host is also used to send picture to video conference terminal when monitoring that the switch bonded state of pronunciation microphone is changed to off-modeFace return instruction, so that video conference terminal will pronounce, the corresponding default position screen switching of microphone is to key frame.This mode canIt is returned immediately after pronunciation microphone shuts down with detecting, avoiding spokesman's speech terminates, and is still in preset duration and shows hairThe awkward scene for saying the default position picture where people, has saved the waiting time of user.
For ease of understanding, this gives a kind of courses of work of specific audio-video linkage control device: working as multichannelWhen microphone all the way in microphone opens simultaneously sounding by spokesman, audio-video linkage control device can detecte road microphone transmittingAudio fluctuates, therefore can determine that the road microphone is turned on, and determines the road microphone for pronunciation microphone, thus to video conference end(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 shoots the corresponding default position of 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 pronunciation microphone is placed in closing, then to video conference terminalPicture return instruction is sent, the corresponding default position screen switching of microphone is to key frame so that video conference terminal will pronounce.It is thisWhen mode can make audio-video linkage control device there are multiple spokesman in meeting-place, microphone speech season view is opened in current speakerThe camera of frequency conference terminal can absorb the corresponding preset feature position of the spokesman automatically, monitoring microphone closing or presettingIt in duration when non-sounding, determines that spokesman's speech finishes, camera is made to switch to panorama position, audio-video linkage control dress from feature positionSetting preferably makes microphone and CCD camera collaborative work, is truly realized sound-image linkage control.
Preferably, host is also used 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 host；External audio receiving device can be sound console, playback equipment etc..This mode canMicrophone amount of wiring is effectively reduced, and the microphone input quantity of such as sound console can be reduced, can preferably be applied to more device levelsConnection.
It, can be abundant since wireless communication module and cable interface can be set on the host of audio-video linkage control deviceUsing the network savvy of host, voice backup, network management etc. are realized.The audio-video linkage control dress of another kind shown in Figure 4The application schematic diagram set, is shown in FIG. 4 three hosts 10, and three hosts 10 are connected with server 300；Each host 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 illustrating for simplicity, each style interface on host is not shown in Figure 4.It is differentHost can set up separately and be placed in different meeting-place, voice can be uploaded and back up to server by each host.For example, working as some branchWhen the video conference terminal of field breaks down, the audio that can be uploaded in real time from the host of server downloading main meeting-place is directly passedThe stereo sets such as the sound console being connected with host are given, so that it is guaranteed that meeting is normally carried out, effectively eliminate video conference failure bandThe adverse effect come.In practical applications, the intelligent terminals such as server and computer, mobile phone communicate to connect, and user is whole by intelligenceSoftware platform on end can control the interaction between host and server, easily manage the host of each sub-venue, and controlMake the state for the external equipment being connected with host.
Further, host is also used to carry out the audio of pronunciation microphone noise isolation processing, volume adjustment processing and adopts soundRange adjusting processing.Specifically, in noise isolation processing, it, can be by the audio of improper voice by audio surge detectionIt filters out, to remove denoising.In volume adjustment processing, volume adjustment knob can be set on host, can also be identifiedVolume height and adjust automatically.In adopting sound range adjusting processing, when monitoring that sound occur overflows, host can control microphone and mentionGao Caiyin range.
In view of the huge number of external equipment, host is also used to be stored in advance and/or the control of machine learning external equipmentCode processed controls a plurality of types of external equipments with compatible.Such as, the outside that common model in the market can be stored in host is setThe control routine (can be infrared signal code) of standby (video conference terminal, matrix device etc.), so that host and outsideAfter equipment is connected, directly external equipment can be controlled.It is understood that if it is control routine not stored in hostType equipment, host can to its control routine carry out and its learn, to be controlled using corresponding control routine to itSystem.It can be that host uploads or the matrix is arranged and sets by intelligent terminals such as computers in addition, for the control routine of matrix deviceStandby control routine.Storage or study by host to the control routine of different types of external equipment can make host cleverCompatible a plurality of types of external equipments living, and controlled, to realize the collaborative work of more equipment.
When being connected directly in view of host and microphone, in mix process may microphone generate signal interference, thusInfluence sound quality.So audio unidirectional delivery portion can be set on host, the audio unidirectional delivery for acquiring microphone to masterMachine, and the signal that host is transmitted to microphone is isolated.In practical applications, audio unidirectional delivery portion includes one-way isolation interface, withOne-way isolation interface is paired with dedicated Card butt joint, and microphone cord can directly be connected with the Card butt joint, passes through listSignal is transmitted between isolating interface and Card butt joint.Wherein, one-way isolation interface is unidirectionally to connect with butt joint, sound intelligenceHost can be transferred to from microphone.Specifically, being equipped with audio isolator in one-way isolation interface；Wherein, which can be withTo be realized using uniguide.One end of Card butt joint is connected with microphone cord, to receive the audio of microphone acquisition；Card butt jointThe other end connect with one-way isolation interface, audio is transferred to one-way isolation interface, one-way isolation interface acquires microphoneThe signal that host is transmitted to microphone is isolated to host, and by audio isolator in audio unidirectional delivery.By the above-mentioned means, can be withPrevent host microphone from generating interference, to preferably promote sound quality.
Further, when host is connect with microphone by wireline interface, host is also used to power by connecting line to microphone.Existing electrostatic microphone, be mostly provide 48V voltage by three core microphone cords by sound console for microphone, and the present embodiment providesAudio-video linkage control device can replace sound console, by microphone cord be microphone power, without drawing power supply line outside；Work as phonotape and videotapeWhen the host of linkage control device is connected by cable interface with microphone, use POE power supply mode for microphone power supply namely power supplyIt is transmitted with audio signal by a cable, above-mentioned audio-video linkage control device provided in this embodiment can replace routineThe interchanger with POE function and directly for microphone power.Phonotape and videotape linkage control device provided in this embodiment can be byMicrophone cord or cable are microphone power supply, keep the power supply mode of microphone more directly easy.
Embodiment two:
A kind of structural schematic diagram of audio-video linked system shown in Figure 5, provides any including previous embodimentAudio-video linkage control device 100 further includes the external equipment 200 being connected with audio-video linkage control device 100；Show in Fig. 5Having gone out external equipment includes microphone, further includes video conference terminal, picture pick-up device, playback equipment, sound console, intelligent terminal kimonosBusiness device.In practical applications, external equipment include at least microphone, further include video conference terminal, picture pick-up device, playback equipment,One of sound console, intelligent terminal and server are a variety of.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing descriptionSpecific work process, can be with reference to the corresponding process in previous embodiment, and details are not described herein.
In conclusion phonotape and videotape linkage control device provided in this embodiment and audio-video linked system, can have following masterWant 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 that signal is sent to minutes equipment, so that the control camera shooting of minutes equipment is talked about with pronunciationThe corresponding default position picture of cylinder, and switch the display default position picture, so that preferably realization phonotape and videotape linkage, makes to be connected with hostMultiple equipment cooperate.Also controllable mating 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 set on host and wired connectMouth (cable interface, audio transmission mouth and data transmission mouth) etc. can be suitable for a variety of occasions, and can be with a plurality of types of outsidesThe suitable connection type of equipment choosing connects.
(3) data transmission mouth on host can be multiple serial ports and/or RS485 control interface, it can be achieved that connection matrixThe external equipments such as equipment, video conference terminal, multiple cameras, so that host controls such external equipment.Serial ports and/Or the control mode of RS485 control interface is compared to infrared control mode, more flexible simplicity.The serial ports can use commonRS232 interface is realized, can also use other kinds of interface, details are not described herein.
(4) multiple cable interfaces can be set on host, host is made to access network, and cable interface with wired formsIt can also be connected with microphone, to realize the control of host microphone, not limited by microphone cord, it can be indoor by different meetingsMicrophone is uniformly connected between sound control by cable, convenient for unified management operation, reduces management cost.
(5) network savvy, including wired networking and Wireless Networking；It specifically can be by the way that radio communication mold be arranged on hostBlock and cable interface realize the function, to make to lead between the host of different places (such as main meeting-place and sub-venue)Network is crossed to be interacted.Specifically, carrying out interaction, the shared, control etc. of information using server.Such as, voice may be implementedBackup functionality can also make the external equipment that user is connected to multiple main frames and host to eliminate failure bring adverse effectIt is managed control.
(6) there is microphone switch key detection function, host is detecting that microphone shutdown Shi Zeling video conference terminal is directKey frame is returned to, without waiting, with raising efficiency and user experience.
(7) control routine storage and learning functionality, can store a plurality of types of external equipments, (such as video conference is wholeEnd, matrix device) control routine, control routine can be infrared signal code；Or it is learned according to the setting and guidance of userThe control routine of other not stored external equipments is practised, with when being connected with external equipment, using corresponding external equipmentControl routine is controlled.By above-mentioned function, various types of external equipments can be compatible with.
(8) cascade function between different hosts, specifically, being realized by network interface.
(9) settable audio unidirectional delivery portion (one-way isolation interface and the dedicated Card butt joint with interface pairing) makes to talk aboutThe signal that host transmit to microphone is isolated to host in the audio unidirectional delivery of cylinder acquisition, thus preferably promotion sound quality.
(10) has the function of noise isolation, specifically, being equipped with sound recognition module in host, maskable microphone is transmitted non-Voice signal (namely shielding noise, noise etc.).
(11) microphone disc-jockey functionality can adjust microphone volume by volume knob.
(12) microphone adopts sound function, can control microphone raising when sound overflows and adopt sound range.
(13) multichannel microphone can be transmitted through the sound come, be mixed into and exported all the way to sound console etc. by microphone sound mixing functionEquipment reduces microphone amount of wiring and can reduce sound console microphone input number.The function can preferably be applied to more equipment cascadingsScene.
(14) it by being connected with microphone, can power for microphone.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phaseEven ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It canTo be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediaryConnection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete conditionConcrete meaning in invention.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent productIt is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other wordsThe part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meterCalculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be aPeople's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are depositedThe various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely toConvenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second "," third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present inventionTechnical solution, rather than its limitations, scope of protection 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, those skilled in the art should understand that: anyone skilled in the artIn the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be lightIt is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not makeThe essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the inventionWithin the scope of.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.