CN103747165A - Once synchronous synthesis system and method for video and audio clips - Google Patents
Once synchronous synthesis system and method for video and audio clips Download PDFInfo
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- CN103747165A CN103747165A CN201410033755.1A CN201410033755A CN103747165A CN 103747165 A CN103747165 A CN 103747165A CN 201410033755 A CN201410033755 A CN 201410033755A CN 103747165 A CN103747165 A CN 103747165A
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Abstract
The invention discloses an once synchronous synthesis system and method for video and audio clips. The system comprises a blue box used as a background field of a to-be-shot object, an image collecting device for collecting the actual image in the blue box, an audio collecting device for collecting the actual audio in the blue box, and a same-period work device for performing film-editing on the actual image collected by the image collecting unit and synchronously adding the actual audio collected by the audio collecting device into the edited actual image. According to the system, by the same-period work device arranged on a shooting field, a special-effect short film is shot and made by processing the actual image, combining a material image and fast taking a nonprofessional actor as the main character of the film at one step.
Description
Technical field
The present invention relates to photography and image synthesis technical field, relate in particular to the disposable synchronous synthesis system of a kind of video and audio fragment and method.
Background technology
Existing special efficacy film production systems and method, need to rely on a large amount of manpowers, and complicated equipment and enough for a long time technology process and just can produce one section of film with special effects or short-movie, and requiring performing artist is the performer through professional training, the general untrained public cannot participate in the shooting of special efficacy film, the present invention is directed to amateur performer and design a kind of system and method, the amateur performer of take at short notice completes shooting and the making of a special efficacy short-movie as leading role.
Summary of the invention
The object of the invention is to propose the disposable synchronous synthesis system of a kind of video and audio fragment and method, using amateur performer as the leading role of film, complete at short notice shooting and the making of special efficacy short-movie.
For reaching this object, the present invention by the following technical solutions:
The disposable synchronous synthesis system of video and audio fragment, comprising:
Blue case, as the performance venue of subject;
Image acquisition device, with the same period equipment be connected, for gathering the image of described blue case, and export actual video file;
Audio collecting device, with described same period equipment be connected, for gathering the sound of described blue case, and export actual audio file;
Material storage device, with described same period equipment be connected, for storing video material and audio material;
Described same period equipment, for receiving described actual video file, described actual audio file and extracting described video material, described audio material, described same period, equipment comprised front end working cell and later stage work unit;
Described front end working cell, is connected with described later stage work unit, for described actual video file is carried out to montage processing; Also, for described actual audio file is synchronizeed and synthesized with the actual video file of processing through montage, generate actual video and audio file, and described actual video and audio file is sent to described later stage work unit;
Described later stage work unit, for described video material, described audio material being joined to described actual video and audio file, and generates special efficacy video and audio file.
The disposable same step synthetic method of video and audio fragment, comprising:
Subject is performed in blue case;
Image acquisition device gathers the image in described blue case, and exports actual video file;
Audio collecting device gathers the sound in described blue case, and exports actual audio file;
The same period, equipment received described actual video file, described actual audio file, and from material storage device, extracted video material, audio material;
By front end in the early stage working cell in described same period equipment, described actual video file is carried out to montage processing, then described actual audio file is synchronizeed and synthesized with the actual video file of processing through montage, and generate actual video and audio file;
Later stage work unit by described same period equipment, joins described image material, described sound material in described actual video and audio file, and generates special efficacy video and audio file.
The equipment same period that system and method provided by the invention arranges by floor, actual image is processed and add material video and audio in actual video and audio, using amateur performer once, rapidly as the leading role of film, complete shooting and the making of special efficacy short-movie.
Accompanying drawing explanation
By reading the detailed description that non-limiting example is done of doing with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is the structural representation of the disposable synchronous synthesis system of a kind of video and audio fragment that provides of the embodiment of the present invention one;
Fig. 2 is the structural representation of the disposable synchronous synthesis system of a kind of video and audio fragment that provides of the embodiment of the present invention two.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, in accompanying drawing, only show part related to the present invention but not full content.
Embodiment mono-
As shown in Figure 1, the present embodiment provides a kind of video and audio fragment disposable synchronous synthesis system, comprising:
Blue case, as the performance venue of subject;
Image acquisition device, for gathering the image of described blue case, and exports actual video file;
Audio collecting device, for gathering the sound of described blue case, and exports actual audio file;
Material storage device, for storing video material and audio material;
The same period equipment, be connected with described image acquisition device, described audio collecting device and described material storage device, be used for receiving described actual video file, described actual audio file and extract described video material, described audio material, described same period, equipment comprised front end working cell and later stage work unit;
Described front end working cell, is connected with described later stage work unit, for described actual video file is carried out to montage processing; Also, for described actual audio file is synchronizeed and synthesized with the actual video file of processing through montage, generate actual video and audio file, and described actual video and audio file is sent to described later stage work unit;
Described later stage work unit, for described video material, described audio material being joined to described actual video and audio file, and generates special efficacy video and audio file.
Blue case is a digital film studio, production district ceiling, floor and wall are all used blueness or green coating application, performer stays wherein and performs, in post-production, can shield all bluenesss or green in image, in image after shielding, performer performs seemingly in vacuum, scene, stage property etc. are all made in computer, then are synthesized together with performer.
The image of taking the photograph in blue case is actual image, and actual image is as the prospect of final finished image, the background image generating with computer or be called the synthetic finished product image that finally completes of material image.The all blue composition of camera lens of being ingested in prospect will be scratched be gone, and replace with the background image of relevant position.Therefore, in prospect, clothes of stage property, tables and chairs, performer etc. all can not contain blue composition, and this point and common stingy picture are similar.Difference is, virtual background can be according to the push-and-pull of video camera, move, pitching, in aspect respective change such as size angles.Prospect, the synthetic key of background are the lighting to prospect and blue case, if lighting is unreasonable, synthetic image will lack spatial impression.
To the cloth lamp of blue case, be to guarantee that light-illuminating is even, and comprise that the All Ranges on three face wall faces and ground remains color temperature constant.If blue case light is irregular, there is dark space to exist, in composograph, relevant position also can produce dark space.Meanwhile, the intensity of light of blue case is identical with foreground object key lights, can make so synthetic virtual image look truer.Available light meter is respectively in the illumination of blue case and prospect place measurement light, and the intensity of adjusting associated lamp by Control Console obtains identical value.Also available grey reflector is placed in respectively prospect and blue case place, makes to obtain on video camera identical output level.
Requiring blue case light even, is at the regional of blue case, to have same numerical value in order to adjust ambient level.If light is inhomogeneous, at ambient level, adjust to when meeting blue case dark space and requiring, the background image of dark space part is by true reappearance in composograph, but other region of blue case will brighten, and causes the edge chap between foreground object and background in composograph.Otherwise, ambient level to be adjusted to when meeting blue case clear zone and requiring, composograph will reappear dark space and shade.Both of these case all can make synthetic scene untrue.And require light color temperature constant and even, be because the difference of colour temperature will cause the edge of foreground object in composograph to occur tone variation.
Image acquisition device,, with the device of image recording function and data-transformation facility, the image that image acquisition device collects can send in front end equipment in real time.
Audio collecting device, with the device of audio recording function and data-transformation facility; The audio frequency that audio collecting device collects can send in front end equipment in real time.
The same period equipment, at least with the device of image processor, Sound Processor Unit, controller and display, on front end working cell wherein, there is the interface that the data transmission port with image acquisition device and audio collecting device matches, realize transmission and the processing of video and voice data.Later stage work unit, has the interface that the output port with front end equipment matches, and later stage work unit has the synthetic processing module of image, can realize the combination of two images is processed.
Embodiment bis-
The present embodiment is a kind of preferred scheme proposing on the basis of embodiment mono-, and the disposable synchronous synthesis system of a kind of video and audio fragment that the present embodiment provides as shown in Figure 2, comprising:
Three video cameras 202, as image acquisition device, three video cameras are synchronously taken the image in blue case.
Front end working cell 204 and later stage work unit 205, the two is combined as the equipment same period.The present embodiment utilizes a PC to form a terminal in conjunction with tone frequency channel wire interface board, as previous work unit; Image processing software is installed on another PC and is completed the function of later stage work unit;
Further, the system of the present embodiment also comprises:
Positioner, is used to specify the position of subject;
Positioner is arranged in described blue case, and subject moves the position of self according to the position of positioner appointment;
The present embodiment adopts projection positioning device 207, and projection positioning device 207 is arranged on the top of described blue case; Described projection positioning device projects to station location marker on the ground of described blue case, and subject moves the position of self according to station location marker.According to the needs of show content, projection arrangement can be specified projection place by manual operation or computer program operation, performing artist 208 moves according to the position of projection sign, because the present invention designs for amateur performer, and the object of the invention is the disposable process of taking with processing that completes, so will make system and method avoid interrupting by technological means as far as possible, and reach good visual effect, application positioner can strengthen performing the once success rate of process, avoids performing artist due to the movement of human factor mistake.Except projection positioning device, can also select warning light guiding locator or boot flag etc. is directly set on the ground to position.
Further, the system of the present embodiment also comprises:
Image tracking means, for making described image acquisition device follow the tracks of the position of subject;
Image tracking means is arranged on subject, and image acquisition device gathers the image in described blue case centered by the position at image tracking means place.
The present embodiment is usingd performing artist 208 as subject, and performing artist is particularly worn on after ear with it image tracking means can being worn on, so that video camera is followed the tracks of performing artist 208 face, takes.Image tracking means can be a hotness signal generator, and heat induction device is installed on video camera accordingly, the position of the hotness signal tracing hotness signal generator that camera lens sends according to hotness signal generator.
Further, described image acquisition device is followed the tracks of the movement of the described image tracking means in the appointed area in described blue case, gathers the image in described blue case centered by the position at described image tracking means place.
As being provided with three video cameras in the present embodiment, it is image acquisition device, three video cameras gather respectively the image in zones of different, for example, a video camera all-the-way tracking is taken performing artist 208, another video camera only have when left side 1/3rd that performing artist moves to blue case between left side edge time just with clapping performing artist 208, the 3rd video camera only have when right side 1/3rd that performing artist moves to blue case between right side edge time just with clapping performing artist 208, with locus and the angle lens of video camera in bat process, according to performing artist 208 action, adjusting, adjustment for camera position and angle, it can be artificial adjustment, also can be that computer is adjusted automatically according to the default motion track of show content, when starting, performance by computer, video camera is controlled, accordingly, video camera needs supporting automated movement, jacking equipment.
Further, be also provided with control switch in native system, described control switch is for controlling the operation of other devices; Control switch can be one or more, and control signal sends to other devices by the mode of wireless transmission; Control switch is controlled by performing artist 208, and performing artist 208 uses control switch to send commencing signal, and other devices are started working; Performing artist 208 uses control switch to send time-out or termination signal, and other devices suspend or termination work.Application controls switch is controlled other device in native system, makes performing artist according to the start and stop of situation adjustment System of oneself performance, further to have improved the efficiency that gathers actual video and audio.
Embodiment tri-
The present embodiment provides a kind of video and audio fragment disposable same step synthetic method, comprising:
Subject is performed in blue case;
Image acquisition device gathers the image in described blue case, and exports actual video file;
Audio collecting device gathers the sound in described blue case, and exports actual audio file;
The same period, equipment received described actual video file, described actual audio file, and from material storage device, extracted video material, audio material;
By the front end working cell in described same period equipment, described actual video file is carried out to montage processing, then described actual audio file is synchronizeed and synthesized with the actual video file of processing through montage, and generate actual video and audio file;
Later stage work unit by described same period equipment, joins described image material, described sound material in described actual video and audio file, and generates special efficacy video and audio file.
The present embodiment is that system is taken and synthesizes audio-visual method described in Application Example one or two, about video material and audio material, can be one section of image and the audio frequency by professional actor performance, also can be the fragment of certain finished product film, the method of making material image and material audio frequency is to adopt the habitual manufacture method in this area, utilize professional, specialty performer and professional equipment are taken, material image and material audio frequency and family movie have same size and quality, material image and material audio frequency only need be made once, can Reusability when following adopted method of the present invention turns out movies, the effect of material image and material audio frequency is background video and the background audio as final finished video and audio fragment, also as demonstrate image and audio frequency, is provided as amateur performing artist's reference and the imitation of prospect simultaneously.
Video material and audio material can be made a plurality of in advance, the subject matter of material image can be the image that science fiction, landscape etc. have special visual effect, for actual performer, select, actual performer is selected a selection, and in blue case, imitate selected material image and material audio frequency is performed, lamplight setting in blue case is adjusted according to the content of material video, and image acquisition device gathers the actual image of actual performer simultaneously, and audio collecting device gathers the actual audio of actual performer.
The performance process of actual performer also can interrupt, repeat, after to be collected completing, by the front end working cell in same period equipment, mixed and disorderly image and audio frequency are carried out to montage and tuning, produce coherent, a complete actual video and audio fragment, and this video and audio fragment is sent to later stage work unit, now in fragment, only have performing artist and blue case background.
Later stage work unit synthesizes processing by the video and audio fragment of selected material image and material audio frequency and described reality, later stage work unit can adopt software systems to realize the synthetic processing of video and audio, process video focus on the blue background in actual video is scratched and is removed, for example application operates in the iMovie software under mac operating system environment, use software import described actual image and be placed on time shaft, in effect option, select blue case to scratch picture, the options such as smoothing processing and place to go sawtooth, the image processor of later stage work unit is played up image, remove all blue color in image, by blue case background removal, then select material image to combine with actual image as new background, material audio frequency is synchronously joined in image according to time shaft simultaneously, a final synthetic special efficacy video and audio fragment.
Further, the method for the present embodiment specifically comprises when image acquisition device gathers the image in described blue case: use a plurality of image acquisition devices synchronously to gather the image in described blue case.
When image acquisition device is taken actual image in the present embodiment, can use a plurality of image acquisition devices synchronously to gather the image in blue case.System described in Application Example two is taken, and three video cameras synchronously gather actual image incessantly, takes three actual video, during for the montage of front end working cell, selects, and makes actual image have diversity, makes final finished product video and audio effect better.
Further, described method also comprises:
By being arranged on the position of the positioner appointment subject in blue case;
Subject moves according to the position of described positioner appointment.
When image acquisition device is taken actual image in the present embodiment, the position that positioner is specified subject is set in blue case; System described in Application Example two, the subject in blue case moves the position of self according to the position of positioner appointment.For non-professional performing artist, apply to locate to arrange and can reduce human error factor, positioner can walk according to the content guiding performing artist of the story of a play or opera, further improves and takes efficiency, makes shooting process realize disposable completing.
Further, described method also comprises:
Described image acquisition device, the position of following the tracks of subject by image tracking means;
Described image acquisition device gathers the image in described blue case centered by the position at described image tracking means place.
When in the present embodiment, image acquisition device is taken actual image, image application tracking means makes image acquisition device follow the tracks of the position of subject; Image tracking means is arranged on subject, and image acquisition device gathers actual image centered by image tracking means position.System described in Application Example two, camera head is followed the tracks of performing artist's mobile position and the angle of adjusting self automatically, has reduced manual operation, makes system more convenient and intelligent.
Above are only preferred embodiment of the present invention and institute's application technology principle.The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious variations, readjust and substitute and can not depart from protection scope of the present invention.Therefore, although the present invention is described in further detail by above embodiment, the present invention is not limited only to above embodiment, in the situation that not departing from the present invention's design, can also comprise more other equivalent embodiment, and scope of the present invention by appended claim scope certainly.
Claims (10)
1. the disposable synchronous synthesis system of video and audio fragment, is characterized in that, comprising:
Blue case, as the performance venue of subject;
Image acquisition device, with the same period equipment be connected, for gathering the image of described blue case, and export actual video file;
Audio collecting device, with described same period equipment be connected, for gathering the sound of described blue case, and export actual audio file;
Material storage device, with described same period equipment be connected, for storing video material and audio material;
Described same period equipment, for receiving described actual video file, described actual audio file and extracting described video material, described audio material, described same period, equipment comprised front end working cell and later stage work unit;
Described front end working cell, is connected with described later stage work unit, for described actual video file is carried out to montage processing; Also, for described actual audio file is synchronizeed and synthesized with the actual video file of processing through montage, generate actual video and audio file, and described actual video and audio file is sent to described later stage work unit;
Described later stage work unit, for described video material, described audio material being joined to described actual video and audio file, and generates special efficacy video and audio file.
2. system according to claim 1, is characterized in that, described system comprises a plurality of described image acquisition devices.
3. system according to claim 1, is characterized in that, described system also comprises:
Positioner, is used to specify the position of subject;
Positioner is arranged in described blue case, and subject moves the position of self according to the position of positioner appointment.
4. system according to claim 3, is characterized in that, described positioner is projection positioning device, and described projection positioning device is arranged on the top of described blue case; Described projection positioning device projects to station location marker on the ground of described blue case, and subject moves the position of self according to station location marker.
5. according to the system described in claim 3 or 4, it is characterized in that, described system also comprises:
Image tracking means, for making described image acquisition device follow the tracks of the position of subject;
Image tracking means is arranged on subject, and image acquisition device gathers the image in described blue case centered by the position at image tracking means place.
6. system according to claim 5, it is characterized in that, described image acquisition device is followed the tracks of the movement of the described image tracking means in the appointed area in described blue case, gathers the image in described blue case centered by the position at described image tracking means place.
7. the disposable same step synthetic method of video and audio fragment, is characterized in that, comprising:
Subject is performed in blue case;
Image acquisition device gathers the image in described blue case, and exports actual video file;
Audio collecting device gathers the sound in described blue case, and exports actual audio file;
The same period, equipment received described actual video file, described actual audio file, and from material storage device, extracted video material, audio material;
By the front end working cell in described same period equipment, described actual video file is carried out to montage processing, then described actual audio file is synchronizeed and synthesized with the actual video file of processing through montage, and generate actual video and audio file;
Later stage work unit by described same period equipment, joins described image material, described sound material in described actual video and audio file, and generates special efficacy video and audio file.
8. method according to claim 7, is characterized in that, the image that described image acquisition device gathers in described blue case specifically comprises: use a plurality of image acquisition devices synchronously to gather the image in described blue case.
9. method according to claim 7, is characterized in that, described method also comprises:
By being arranged on the position of the positioner appointment subject in blue case;
Subject moves according to the position of described positioner appointment.
10. method according to claim 9, is characterized in that, described method also comprises:
Described image acquisition device, the position of following the tracks of subject by image tracking means;
Described image acquisition device gathers the image in described blue case centered by the position at described image tracking means place.
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| CN108769802A (en) * | 2018-06-21 | 2018-11-06 | 北京密境和风科技有限公司 | Implementation method, the device and system of network performance |
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