Background technique
Currently, shooting various scenes, such as when party, ceremony scene, in order to show grand scene, usually use birdIt looks down from a height the means of shooting, it is therefore desirable to take photo by plane using to unmanned vehicle, it is a collection singlechip technology, boat that unmanned vehicle, which is taken photo by plane,Take photo by plane technology, the communication of sensor technology, GPS navigation is clapped to take photo by plane service technology, flight control technology, task control technology, programmingMore technologies such as technology and the high-tech product for relying on hardware, filmed image have high-resolution, large scale, small area, heightThe advantages of Up-to-date state.And unmanned vehicle provides easy to operate for photography of taking photo by plane, and is easy to the remote sensing platform of transition；It takes off landingLimited by place it is smaller, playground, highway or other openr ground can landing, stability, safety are good, transition etc.It is very easy to；Small portable, low-noise energy-saving, efficiently motor-driven, image definition, lightness, miniaturization, intelligent even more unmanned flightThe outstanding feature that device is taken photo by plane.It may not necessarily worry personnel safety using the monitoring that multi-rotor unmanned aerial vehicle carries out specific region, also notIt must worry the physical strength limitation of pilot.
A kind of shooting means that current unmanned vehicle is taken photo by plane are directly to shoot, and usually carry spiral shell secretly in the video of intakeThe Rotation Noise of rotor, this makes video audio very poor；Another means is then separated using taking photo by plane with unmanned vehicleSpecial sound pick-up outfit directly enrolls scene sound on ground, and the audio in the video of aerial photography device intake is abandoned, and ground is recordedThe audio taken imports in video, is integrated into new video；For this kind of method, current production is more troublesome, and main cause existsIn: when the audio of the video of aerial photography device shooting and ground admission is integrated, need to carry out " to accent " work, that is, so thatGround audio & video picture synchronization, the work extremely test staff patience with it is careful, it is necessary first to look in videoTo a suitable sounding picture, the audio time point of sound opposite with the generation picture is heuristically then moved to the generationIt at certain moment in picture, then proofreads whether other picture moment coincide with audio time point, if misfitting, also needs to finely tune, directlyThe fully synchronized of audio & video picture is realized on to audiovisual；It can be seen that although aerial sound can be improved in this kind of means, butProducing efficiency is slower.
Patent document CN102143346 discloses a kind of cruise shooting storage method comprising: it is inputted to central processing unitAudio signal；To central processing unit input at least vision signal all the way；The central processing unit, will in the way of timing synchronizationEach audio signal, vision signal are sent to MCVF multichannel voice frequency video collector；The MCVF multichannel voice frequency video collector acquires instituteAudio signal, vision signal are stated, it includes the audio signal, vision signal in the acquisition signal that acquisition acquires signal all the wayInformation；The acquisition signal is subjected to audio/video coding；Store the audio/video coding data.The patent is by MCVF multichannel voice frequency videoSignal passes through central processing unit synchronization process and is synthesized to be acquired on signal all the way, thoroughly changes current multichannel audio-video frequency signal pointWhen the mode that stores, reach real-time storage and completely retain recorded broadcast information.But the patent only remains audio data and video countsAccording to not forming valuable displaying content automatically, the later period also needs to carry out many and diverse artificial synthesized audio-video, and can not protectThe all synchro audio-video of end of certificate generates, and producing efficiency is low and not can guarantee precision.
Patent document CN103673996 discloses a kind of method of readily available good aerial sound, includes the following steps:One, camera, communicator of taking photo by plane are installed in aerial photography device；The communicator of taking photo by plane is controlled by the camera；Two, in ground clothIf sound pick-up outfit, the sound pick-up outfit, which includes one, can trigger its trigger module recorded He closed immediately immediately；The touchingHair module is controlled by a recording communicator；Three, the aerial photography device is taken photo by plane communicator in the moment for opening camera, described in triggeringAn enabling signal is sent to the recording communicator；The recording communicator passes through institute immediately after receiving the enabling signalState trigger module triggering sound pick-up outfit starting recording；Four, the aerial photography device is taken photo by plane logical in the moment for closing camera, described in triggeringBelieve that device sends a shutdown signal to the recording communicator；The recording communicator is led to immediately after receiving the shutdown signalIt crosses the trigger module triggering sound pick-up outfit and closes recording.The patent can be realized between camera and sound pick-up outfit synchronize openIt closes, but its application range is narrow, only can recorde the corresponding audio collection of a video acquisition, and a video cannot be recordedThe case where corresponding multiple audio collections of acquisition or multiple video acquisitions correspond to multiple audio collections, user cannot be as needed to batIt takes the photograph the desired audio data of scene selection and video data forms required audio-video.
Patent document CN104038716 is disclosed and is installed video camera in aerial photography device, video camera records controller, aerial photography deviceReceiver of remote-control sytem；Aerial photography device receiver of remote-control sytem is controlled by terrestrial transmitters, and aerial photography device remote control receiver controls video camera records controlDevice processed, and control video camera and record or close.The patent is every to record primary, video camera one video file of generation, sound pick-up outfitAn audio file is generated, can be indexed by serial number and recording time, and carry out postproduction of movies audio-video editor.But it can not be automaticValuable displaying content is formed, the later period also needs to carry out many and diverse artificial synthesized audio-video, and user cannot be right as neededFloor chooses desired audio data and video data forms required audio-video.
Disclosed above- mentioned information are used only for enhancing the understanding to background of the present invention in the background section, it is thus possible toInformation comprising not being formed in the prior art known to a person of ordinary skill in the art.
Aerial device in the prior art is only only completed individual video and audio records respectively, passes through artificial post-processingSynchronize production, by post-production with synchronize realize that it is special that the integration of video/audio data needs to be passed through by professionalTool is operated, and since video, the nonsynchronous situation of audio data collecting may be very complicated, even, these videosIt may be to be respectively constituted by multiple sporadic data packets of entirely different step, different durations with audio data, so this integration is cutVolume work be it is extremely complex, do not ensure that the audio-video of production is fully synchronized.Traditional aerial device can not be regarded at oneThe case where corresponding multiple audio collections of frequency acquisition or multiple video acquisitions correspond to multiple audio collections, automatically generates required soundTherefore video in the art, is badly in need of a kind of one or more videos by acquisition and one or more audios is automatically synthesized soundThe aerial device of video and its method of taking photo by plane reach the fully synchronized and high technical effect of producing efficiency.
The purpose of the present invention is be achieved by the following technical programs.
According to the first aspect of the invention, aerial device disclosed by the invention includes unmanned vehicle and is located at ground extremelyA few audio collection module.A possibility that the present invention provides multiple audio collections.
The unmanned vehicle includes video acquisition module and control module.
The control module includes timing unit, measuring unit and synthesis unit.
Temporal information is sent the audio collection module and video acquisition module simultaneously by the timing unit.Timing listMember has unified the timing of all audio collection modules and video acquisition module, ensure that synchronous accuracy.Timing unit may be used alsoTo provide the temporal information in addition to the standard time with the timing of unified all audio collection modules and video acquisition module.
The measuring unit measures the position between the unmanned vehicle and the audio collection module and is sent to instituteState synthesis unit.Position between measuring unit measurement unmanned vehicle and audio collection module allows the invention to identification and adoptsCollect the positional relationship between the unmanned vehicle and audio collection module of video, and then audio can be switched to the present apparatus and providedPosition range.
The audio collection module and the video acquisition module are acquired respectively according to temporal information with temporal informationAudio data and video data are simultaneously sent to the synthesis unit.The temporal information is not limited to the standard time, and is synthesized voiceVideo provides temporal coordinate.
The audio data of the nearest audio collection module acquisition in synthesis unit selection position and the viewFrequency is synthesized according to by the temporal information.Synthesis unit can also set the audio-video synthesis of other modes.
Preferably, which further includes flight controller, and the flight controller is equipped with flight control modules and shooting controlMolding block.
The flight control modules control the state of flight of the unmanned vehicle.The present invention passes through flight control modules controlUnmanned vehicle processed acquires desired picture.
The unmanned vehicle further includes holder mounted thereto, and the shooting control module controls the holder adjustmentThe location parameter and acquisition parameters of the video acquisition module mounted thereto.The present invention is made by shooting control moduleVideo acquisition is more accurate and improves video acquisition effect.
It is highly preferred that the flight that the flight control modules are provided based on the GIS module being located on the flight controllerInformation controls the state of flight of the unmanned vehicle and/or the flight directive based on user's input adjusts the unmanned vehicleState of flight.
It is highly preferred that the location parameter is the shooting angle of the video acquisition module, the acquisition parameters are photosensitiveDegree, the timing unit are crystal oscillator timing unit, and the synthesis unit includes the storage list of the audio, video data after storage synthesisMember.
According to the second aspect of the invention, aerial device further includes multiple with its of video acquisition module and measuring unitHis unmanned vehicle, the position that the measuring unit measures between the unmanned vehicle and the audio collection module are concurrentIt is sent to the synthesis unit.
The synthesis unit selects one group of phase that position is nearest between the unmanned vehicle and the audio collection moduleThe audio data and the video data answered are synthesized by the temporal information.
According to the third aspect of the invention we, the taking photo by plane method disclosed by the invention using the aerial device includes followingStep.
In first step, temporal information is sent the audio collection module and video acquisition simultaneously by the timing unitModule.
In second step, the audio collection module and the video acquisition module are acquired respectively according to temporal information and are hadThe audio data and video data of temporal information are simultaneously sent to the synthesis unit.
In third step, the measuring unit measures the position between the unmanned vehicle and the audio collection moduleAnd it is sent to the synthesis unit.
In four steps, the audio number of the nearest audio collection module acquisition in synthesis unit selection positionIt is synthesized according to the video data by the temporal information.
Preferably, in second step, shooting control module control holder adjusts the video acquisition mould mounted theretoThe location parameter and acquisition parameters of block.
Preferably, in second step, flight control modules are believed based on the flight that the GIS module on flight controller providesBreath controls the state of flight of the unmanned vehicle and/or the flight directive based on user's input adjusts the unmanned vehicleState of flight is to acquire desired video data.
Preferably, in four steps, the institute of the audio collection module acquisition in synthesis unit selection predetermined positionIt states audio data and the video data is synthesized by the temporal information, the synthesis unit deposits the audio, video data after synthesisStorage is in the memory unit.
According to the fourth aspect of the invention, the taking photo by plane method disclosed by the invention using the aerial device includes followingStep.
In first step, temporal information is sent the audio collection module and video acquisition simultaneously by the timing unitModule.
In second step, the audio collection module and the video acquisition module are acquired respectively according to temporal information and are hadThe audio data and video data of temporal information are simultaneously sent to the synthesis unit.
In third step, the measuring unit measures the position between the unmanned vehicle and the audio collection moduleAnd it is sent to the synthesis unit.
In four steps, the synthesis unit selects between the unmanned vehicle and the audio collection module position mostThe audio data and the video data are synthesized close one group by the temporal information accordingly.
Scheme proposed by the present invention can automatically form valuable displaying content, at many and diverse later periodReason process.The present invention again may be by assigning critical information data to different videos and audio collection content, thusGreatly reduce the difficulty of later period editing.Therefore, the present invention is capable of providing the full side of the audio and video of whole scene different locationThe synthesis of the audio-video of position without post-processing or it is as needed can to set required audio and video according to user's needsMode carries out the synthesis of audio-video, and the present invention realizes the sound view of comprehensive, complete undistorted multimachine position, multipoint synchronizationFrequency is shot, easy to operate, without many and diverse post-processing.Not only audio is good by the present invention, and audio-video producing efficiency is high.
Specific embodiment
Described in detail below be actually merely exemplary and be not intended to limit application and use.In addition, being not intended toBy any clear of the above technical field, background, brief overview or middle presentation described in detail below or the theoretical constraint implied.Such asUse herein, term " module " or " unit " refer to any hardware, software, firmware, electronic control part, processing logic and/orProcessor device includes but not limited to individually or with any combination: application-specific integrated circuit ASIC, executes one at electronic circuitThe processor of a or multiple softwares or firmware program is shared, dedicated or groups of and memory, combinational logic circuit and/or offerOther suitable components of described function.In addition, unless clearly have opposite description, otherwise word " comprising " andIts different modification should be understood the implicit component for including but be not excluded for any other component.
A kind of aerial device is present embodiments described, as shown in Figure 1 is according to an embodiment of the inventionThe schematic diagram of aerial device, a kind of aerial device include unmanned vehicle 1 and at least one audio collection module for being located at ground2、2’、2”。
In the art, unmanned vehicle 1 refers to using automatic control, the unmanned vehicle with self-navigation.The nothingPeople's aircraft 1 can be more rotary wind type unmanned vehicles.Flight controller 8 is that unmanned vehicle 1 utilizes certainly in flight courseDynamic control can configuration to aircraft, flight attitude and kinematic parameter implement the equipment of control, user passes through flight controller 8The flight course of unmanned vehicle 1 is controlled.Audio collection module 2,2 ', 2 " can be the wheat that can receive and send signalGram wind, especially, audio collection module is MCVF multichannel voice frequency collector.The audio collection module 2,2 ', 2 " can receive signal and openBeginning audio collection and the audio data for sending acquisition.In one embodiment, audio collection module 2,2 ', 2 " is equipped with audio processingDevice, audio signal through audio processor except make an uproar, rectify, be superimposed as audio data all the way after send.
Unmanned vehicle 1 includes video acquisition module 3 and control module 4.
In one embodiment, unmanned vehicle 1 is equipped with holder 11, the holder fixed video acquisition module 3, and can mentionFor the position regulating function and stabilization function of video acquisition module 3, and video acquisition module 3 is usually high-resolution camera shootingMachine can efficiently accomplish shooting task under circumstances.Holder 11 be can rotate left and right but also be rotated up and down it is comprehensiveHolder.Holder 11, which can be, to be suitable for the electric platform shot on a large scale, which can be by twoPlatform operating motor realizes that motor receives the signal from flight controller and accurately runs positioning.
In one embodiment, holder 11 includes the adjusting mechanism for zoom operational, pitching movement and azimuth motion.
In one embodiment, video acquisition module 3 be visible light high-definition camera, high resolution camera, it is infrared atAs instrument or ultraviolet imagery equipment.
Control module 4 includes timing unit 5, measuring unit 6 and synthesis unit 7.
Control module 4 may include general processor, digital signal processor, application-specific integrated circuit ASIC, and scene can compileJourney gate array FPGA, analog circuit, digital circuit, and combinations thereof or other processors that are known or developing later.
Temporal information is sent audio collection module 2,2 ', 2 " and video acquisition module 3 simultaneously by timing unit 5.OneIn a embodiment, timing unit 5 is crystal oscillator timing unit, can issue in high precision synchronization time information to audio collection module 2,2 ', 2 " and video acquisition module 3.
Measuring unit 6 measures the position between unmanned vehicle 1 and audio collection module 2,2 ', 2 " and is sent to synthesis listMember 7.In one embodiment, measuring unit can be laser range finder.
Audio collection module 2 and video acquisition module 3 acquire the audio number with temporal information according to temporal information respectivelyAccording to video data and be sent to synthesis unit 7.
The audio data and video data that the audio collection module 2,2 ', 2 " that synthesis unit 7 selects position nearest acquires are pressedTemporal information synthesis.In one embodiment, synthesis unit is a kind of high-precision audio-video conjunction rail generator.
In one embodiment, which further includes flight controller 8, and flight controller 8 is equipped with flight control mouldBlock 9 and shooting control module 10.The state of flight of the control unmanned vehicle 1 of flight control modules 9.9 basis of flight control modulesShooting task adjusts unmanned vehicle state of flight comprising unmanned vehicle landing point, level point, track points, returns hovering pointDestination, flying height, flying speed etc. on track.In one embodiment, flight control modules 9 control unmanned vehicle 1It hovers in predetermined position.User issues flight directive control unmanned vehicle 1 by flight control modules 9 and takes off and in predetermined skyDomain completes aerial mission and usually in the visible range completes specified flight path, then outstanding in selected shooting locationStop, then complete flight shooting, or according to an estimated flight path, in flight course, completes shooting.
Unmanned vehicle 1 further includes holder 11 mounted thereto, and shooting control module 10 controls the adjustment installation of holder 11The location parameter and acquisition parameters of video acquisition module 3 on it.In one embodiment, location parameter is video acquisitionThe shooting angle of module 3, acquisition parameters are sensitivity, and synthesis unit 7 includes the storage list of the audio, video data after storage synthesisMember 13.Storage unit 13 can be volatile memory or nonvolatile memory.Storage unit 13 may include one or moreA read only memory ROM, random access memory ram, flash memory, Electrical Erasable programmable read only memory EEPROMOr other types of memory.
Flight control modules 9 control nobody based on the flight information that the GIS module 12 being located on flight controller 8 provides and flyThe state of flight of the state of flight of row device 1 and/or the flight directive adjustment unmanned vehicle 1 based on user's input.
GIS module 12 be used for output and input unmanned vehicle 1 flight information and can be used in GIS map browse,Edit and delete corresponding flight information.Flight information is shown in GIS module 12, and provide flight information planning, selection andThe operations such as frame choosing, and can be used for that corresponding flight information is browsed, edited and deleted in GIS map.
In one embodiment, GIS module 12 includes that GIS information imports and exports unit, information display unit and information dimensionProtect unit.Wherein, GIS information imports and exports unit, for the importing and export without 1 flight information of aircraft in GIS map,It imports and derived format includes but is not limited to the formats such as text, XML, CSV, EXCEL, WORD, PDF；Information display unit is usedIn showing flight information in GIS map；Information maintenance unit, for corresponding fly to be browsed, edited and deleted in GIS mapRow information.GIS module 12 provides geographical information query for flight line planning, the sea including GPS information, place and flight linePull out elevation information, building, road, river information etc..
The schematic diagram of aerial device according to another embodiment of the invention as shown in Figure 2, a kind of aerial device packetIt includes unmanned vehicle 1, multiple other unmanned vehicles 1 ' with video acquisition module 3 and measuring unit 6 and is located at groundAt least one audio collection module 2,2 ', 2 ".Audio collection module 2,2 ', 2 " either high quality microphone, can alsoTo be the collection sound sensor of easy low cost.Audio collection module 2,2 ', 2 " either fixed install, be also possible toThe moveable portable device of object.
In the art, unmanned vehicle 1,1 ' refers to using automatic control, the unmanned vehicle with self-navigation.It shouldUnmanned vehicle 1 can be more rotary wind type unmanned vehicles.Flight controller 8 is that unmanned vehicle 1 utilizes in flight courseAutomatically control can configuration to aircraft, flight attitude and kinematic parameter implement the equipment of control, user passes through flight controlDevice 8 controls the flight course of unmanned vehicle 1.Audio collection module 2,2 ', 2 ", which can be, can receive and send signalMicrophone, which can receive signal and starts audio collection and send the audio data of acquisition.
Unmanned vehicle 1 includes video acquisition module 3 and control module 4.
Control module 4 includes timing unit 5, measuring unit 6 and synthesis unit 7.
Temporal information is sent audio collection module 2 and video acquisition module 3 simultaneously by timing unit 5.Implement at oneIn example, timing unit 5 is crystal oscillator timing unit, can issue information synchronization time in high precision to audio collection module 2,2 ', 2 "With video acquisition module 3.
Measuring unit 6 measures the position between unmanned vehicle 1,1 ' and audio collection module 2,2 ', 2 " and is sent to conjunctionAt unit 7.
In one embodiment, measuring unit 6 can be laser range finder.
Audio collection module 2 and video acquisition module 3 acquire the audio number with temporal information according to temporal information respectivelyAccording to video data and be sent to synthesis unit 7.
Synthesis unit 7 selects one group of phase that position is nearest between unmanned vehicle 1,1 ' and audio collection module 2,2 ', 2 "Temporally information synthesizes the audio data and video data answered.
In one embodiment, synthesis unit 7 is a kind of high-precision audio-video conjunction rail generator.
In one embodiment, which further includes flight controller 8, and flight controller 8 is equipped with flight control mouldBlock 9 and shooting control module 10.The state of flight of the control unmanned vehicle 1 of flight control modules 9.9 basis of flight control modulesShooting task adjusts unmanned vehicle state of flight comprising unmanned vehicle landing point, level point, track points, returns hovering pointDestination, flying height, flying speed etc. on track.Location parameter is the shooting angle of video acquisition module 3, and acquisition parameters areSensitivity, synthesis unit 7 include the storage unit 13 of the audio, video data after storage synthesis.Storage unit 13 can be volatibilityMemory or nonvolatile memory.
Flight control modules 9 control nobody based on the flight information that the GIS module 12 being located on flight controller 8 provides and flyThe state of flight of the state of flight of row device 1 and/or the flight directive adjustment unmanned vehicle 1 based on user's input.
GIS module 12 be used for output and input unmanned vehicle 1 flight information and can be used in GIS map browse,Edit and delete corresponding flight information.Flight information is shown in GIS module 12, and provide flight information planning, selection andThe operations such as frame choosing, and can be used for that corresponding flight information is browsed, edited and deleted in GIS map.
Fig. 3 is the step schematic diagram of the method for taking photo by plane according to an embodiment of the invention using aerial device, and one kind makesIncluded the following steps with the method for taking photo by plane of aerial device.
In first step S1, timing unit 5 sends audio collection module 2,2 ', 2 " simultaneously for temporal information and video is adoptedCollect module 3.
In second step S2, audio collection module 2,2 ', 2 " and video acquisition module 3 acquire band according to temporal information respectivelyThe audio data and video data of having time information are simultaneously sent to synthesis unit 7.
In third step S3, measuring unit 6 measures the position between unmanned vehicle 1 and audio collection module 2,2 ', 2 "And it is sent to synthesis unit 7.
In four steps S4, audio data and video that the audio collection module 2 that synthesis unit 7 selects position nearest acquiresTemporally information synthesizes data.
In the method, typically, such as at the scene of some awards ceremony, photographer just can know that in advance to be needed to clapThe information such as the object taken the photograph and regional scope.At this time, it is only necessary to audio collection module 3 be installed in the appropriate location of awards ceremony, i.e.,The voice data of high quality can effectively be collected.
In the case where only one audio collection module 3, it is only necessary to conventionally be worn by speechmaker as wirelessMicrophone arranges the audio collection module 3 such as fixed microphone, can be achieved with the voice data acquisition of high quality.Nobody fliesRow device 1 is shot from the air, and audio collection module 3 and video acquisition module 2 are respectively completed the acquisition of audio & video, stillThe opportunity of acquisition is then unified to be confirmed by timing unit 5.It briefly, is exactly unmanned vehicle 1 once shooting, then soundFrequency acquisition module 3 starts to adopt sound, then by shooting result and adopts sound result and synthesizes the video/audio data that can be used directly.Depending onOnce stopping shooting, then audio collection module 3 is also synchronous stops adopting sound frequency acquisition module 2.Certainly, timing unit 5 can be integrated inUnmanned vehicle 1 or in audio collection module 3, will not necessarily be realized by independent third party's hardware device.It is above-mentionedMode solves high quality and obtains audio data, and at the same time the view of any angle can flexibly be acquired using unmanned vehicle 1Frequency evidence.Video data and audio data collected are all attached with temporal information, so as to realize number according to temporal informationAccording to automatic integration.
With multiple audio collection module 3, such as: certain ball match is carried out when with a unmanned vehicleWhen taking photo by plane, scene is explaining many places such as seat, auditorium, rostrum and court coach's seat provided with audio collection module 3.At this timeUnmanned vehicle 1 freely can carry out recording parctices at ball match scene according to flight controller 8 or system arrangement.Nothing simultaneouslyPeople's aircraft 1 and each audio collection module form time synchronization.On this basis, unmanned vehicle 1 leads in flight courseThe positional relationship of 6 real-time monitoring of measuring unit Yu any audio collection module 3, especially distance are crossed, by the view of unmanned vehicle 1The content that frequency acquisition module 3 is shot automatically with nearest or nearest in preset threshold range audio collection module 2,2 ',The audio data of 2 " acquisitions is synthesized by synthesis unit 7.So it is capable of forming one section of complete continuous audio-video, effectIt is that when unmanned vehicle 1 flies to rostrum shooting prologue speech nearby, automatic synchronization broadcasting prologue is talked in video content at this timeContent；When unmanned vehicle 1 flies to explanation seat, video content, which automatically switches to, explains the content that seat is explained.In this way, energy oneBody forms the valuable displaying result that can be exposed directly to consumer's viewing.
In one embodiment, in second step S2, the shooting control holder 11 of control module 10 adjusts mounted theretoThe location parameter and acquisition parameters of video acquisition module 3.
In one embodiment, in second step S2, flight control modules 9 are based on the GIS module on flight controller 812 state of flights of flight information control unmanned vehicle 1 provided and/or the flight directive based on user's input adjust nobodyThe state of flight of aircraft 1 is to acquire desired video data.
In one embodiment, in four steps S4, synthesis unit 7 selects the audio collection module 2 in predetermined position to acquireAudio data and video data temporally information synthesizes, it is single that the audio, video data after synthesis is stored in storage by synthesis unit 7In member 13.Storage unit 13 can be volatile memory or nonvolatile memory.Storage unit 13 may include one orMultiple read only memory ROMs, random access memory ram, flash memory, Electrical Erasable programmable read only memoryEEPROM or other types of memory.
Fig. 4 is the step schematic diagram of the method for taking photo by plane in accordance with another embodiment of the present invention using aerial device, is usedThe method of taking photo by plane of aerial device includes the following steps.
In first step S1, timing unit 5 sends audio collection module 2,2 ', 2 " simultaneously for temporal information and video is adoptedCollect module 3.
In second step S2, audio collection module 2,2 ', 2 " and video acquisition module 3 acquire band according to temporal information respectivelyThe audio data and video data of having time information are simultaneously sent to synthesis unit 7.
In third step S3, the position that measuring unit 6 measures between unmanned vehicle 1,1 ' and audio collection module 2 is concurrentIt is sent to synthesis unit 7.
In four steps S4, synthesis unit 7 selects position between unmanned vehicle 1,1 ' and audio collection module 2,2 ', 2 "Temporally information synthesizes for one group of nearest corresponding audio data and video data.
In this method, with multiple unmanned vehicles 1 ' with measuring unit 6 and video acquisition module 3, nobody fliesIn the case where row device 1 and multiple audio collection modules 2,2 ', 2 ", synthesis unit 7 selects unmanned vehicle 1,1 ' and audio collectionTemporally information synthesizes for one group of nearest corresponding audio data of position and video data between module 2,2 ', 2 ".This method canThe optimal video and audio clips for being chosen at same position form required one section of continuous audio-video.
Although embodiment of the present invention is described in conjunction with attached drawing above, the invention is not limited to above-mentionedSpecific embodiments and applications field, above-mentioned specific embodiment are only schematical, directiveness, rather than restricted's.Those skilled in the art are under the enlightenment of this specification and in the range for not departing from the claims in the present invention and being protectedIn the case where, a variety of forms can also be made, these belong to the column of protection of the invention.