CN102143346B - Cruise shooting storage method and system - Google Patents
Cruise shooting storage method and system Download PDFInfo
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- CN102143346B CN102143346B CN 201010105557 CN201010105557A CN102143346B CN 102143346 B CN102143346 B CN 102143346B CN 201010105557 CN201010105557 CN 201010105557 CN 201010105557 A CN201010105557 A CN 201010105557A CN 102143346 B CN102143346 B CN 102143346B
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Abstract
The invention relates to the technical field of cruise shooting and in particular provides a cruise shooting storage method and a cruise shooting storage system. The method mainly comprises the following steps of: synchronously processing a plurality of paths of audio/video signals through a central processing unit (CPU) and synthesizing the signals to a path of acquisition signals; and completely changing the current multi-path audio/video signal time division storage mode, storing in time and completely keeping the recorded information in real time. Therefore, the whole shooting process is continuous and smooth, and the problems of picture jumping, switching and the like are solved.
Description
Technical field
The present invention relates to the cruise shooting technical field, a kind of cruise shooting storage method and system specifically are provided.
Background technology
Development along with science and technology, cruise shooting system take automatic tracking recorded broadcast as representative has appearred in recent years, can carry out cruise shooting to speaker or spokesman in real time, whole shooting process is continuous, smooth, without problems such as picture jump, switchings, positioner in the system can be finished accurately the high definition of speaker or spokesman and scene is taken, thereby so that whole recorded broadcast process need not special messenger's intervention.
Although prior art cruise shooting system can solve the multimachine position and automatically follows the tracks of recorded broadcast, do not have to solve the storage problem that the multimachine position is followed the tracks of recorded broadcast automatically.
At present, the Voice ﹠ Video the data of each seat in the plane is the timesharing memory technology in this type systematic, be the Voice ﹠ Video information that to store a certain seat in the plane a certain moment, this just causes loses a large amount of useful informations in storing process, the audio and video information of preserving is also imperfect, so that distortion appears in the works of taking, picture and sound asynchrony phenomenon can't satisfy application demand.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art, a kind of cruise shooting storage method and system that can store simultaneously all seat in the plane video/audio audio-frequency informations in the cruise shooting process is provided.
In order to reach above goal of the invention, the technical solution adopted in the present invention is:
A kind of cruise shooting storage method comprises: to the central processing unit input audio signal; Input at least one road vision signal to central processing unit; Described central processing unit is sent to the multichannel voice frequency video collector according to the mode of timing synchronization with described each audio signal, vision signal; Described multichannel voice frequency video collector gathers described audio signal, vision signal, obtains one road collection signal, comprises described audio signal, video signal information in the described collection signal; Described collection signal is carried out audio/video coding; Store described audio/video coding data.
Preferably, described collection signal is the PCM form.
Preferably, described described collection signal is carried out audio/video coding, store described audio/video coding data; Specifically: the coding of the audio signal information in the described collection signal is become the VoiceXML document storing, the coding of the video signal information in the described collection signal is become the MPEG document storing.
Preferably, before central processing unit input audio signal step, also comprise: stack synthesizes one tunnel audio signal at least two tunnel audio signals; To described central processing unit input audio signal, specifically: with the road audio signal input central processing unit after described synthesizing.
Preferably, in step: before stack synthesized one tunnel audio signal at least two tunnel audio signals, also comprise: gather the status signal of each microphone, described status signal was used as the control signal that automatically begins recorded broadcast or automatically stop recorded broadcast.
A kind of cruise shooting system comprises: a central processing unit, a multichannel voice frequency video collector, an audio frequency and video encoder, a memory cell, at least one microphone and at least one video camera; Described video camera is used for the vision signal that gathers and is transferred to described central processing unit; Described microphone is used for the audio signal that gathers and is transferred to described central processing unit; Described central processing unit is used for the mode according to timing synchronization, and described each audio signal and vision signal are sent to the multichannel voice frequency video collector; Described multichannel voice frequency video collector is used for gathering described audio signal and vision signal, acquisition one road collection signal and being transferred to the audio frequency and video encoder, comprises described audio signal and video signal information in the described collection signal; Described audio frequency and video encoder is used for collection signal is encoded; Described memory cell is used for storing the coding that described audio frequency and video encoder obtains.
Preferably, between described microphone and central processing unit, be in series with an audio process, the audio signal of described microphone output through audio process except make an uproar, rectification, stack become one tunnel audio signal input central processing unit.
Preferably, described audio process, central processing unit also are connected with a recording and broadcasting system controller jointly, and described recording and broadcasting system controller is used for controlling the work of described audio process, central processing unit.
Preferably, described audio frequency and video encoder becomes the VoiceXML document storing with the audio signal information coding, and the video signal information coding is become the MPEG document storing.
Preferably, the vision signal of described every video camera saves as respectively different MPEG documents.
The method that the present invention adopts mainly is synchronously to process and be synthesized to one road collection signal on by central processing unit the multichannel voice frequency vision signal, thoroughly change the mode of present multichannel audio-video frequency signal timesharing storage, reach real-time storage and complete reservation recorded broadcast information, so that whole shooting process is continuous, smooth, without problems such as picture jump, switchings.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, does not consist of to improper restriction of the present invention, in the accompanying drawings:
Fig. 1 is the signal processing flow figure of cruise shooting storage method of the present invention;
Fig. 2 is the structural representation of cruise shooting storage system of the present invention;
Fig. 3 is the process chart of audio signal of the present invention and vision signal.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
As shown in Figure 1, solid arrow represents audio signal and vision signal, and dotted arrow represents control signal, the invention discloses a kind of cruise shooting storage method: automatically begin recorded broadcast when the recorded broadcast controller collects the start signal of microphone.At first, stack synthesizes one tunnel audio signal to N road audio signal, will input to central processing unit through synthetic audio signal, and central processing unit has also been inputted N road vision signal; Secondly, central processing unit is sent to the multichannel voice frequency video collector according to the mode of timing synchronization with described each audio signal, vision signal; Then, described multichannel voice frequency video collector gathers described audio signal, vision signal, obtains one road collection signal, and described collection signal is the PCM form, comprises described audio signal, video signal information in the described collection signal; At last, the coding of the audio signal information in the described collection signal is become the VoiceXML document storing, the coding of the video signal information in the described collection signal is become the MPEG document storing.
As shown in Figure 2, solid arrow represents audio signal and vision signal, and dotted arrow represents control signal.A kind of cruise shooting of the present invention system comprises: a central processing unit, a multichannel voice frequency video collector, an audio frequency and video encoder, a memory cell, N prop up microphone and N platform video camera; Described video camera is given described central processing unit with the video signal transmission that collects; Described microphone also is transferred to described central processing unit with the audio signal that collects; Described central processing unit is sent to the multichannel voice frequency video collector according to the mode of timing synchronization with described each audio signal and vision signal; Described multichannel voice frequency video collector gathers described audio signal and vision signal, acquisition one road collection signal and is transferred to the audio frequency and video encoder, comprises described audio signal and video signal information in the described collection signal; Described audio frequency and video encoder becomes the VoiceXML document storing to memory cell with the audio signal information coding, and the video signal information coding is become the MPEG document storing to memory cell.
As shown in Figure 2, between described microphone and central processing unit, be in series with an audio process, the audio signal of described microphone output through audio process except make an uproar, rectification, stack become one tunnel audio signal input central processing unit.
As shown in Figure 2, described audio process, central processing unit also are connected with a recording and broadcasting system controller jointly, and described recording and broadcasting system controller is used for controlling the work of described audio process, central processing unit.
Be illustrated in figure 3 as the process chart of audio signal of the present invention and vision signal, solid arrow represents audio signal and vision signal, and dotted arrow represents control signal.Described audio process gathers the status signal of microphone, the conduct of input recording and broadcasting system controller automatically begins recorded broadcast or automatically stops the control signal of recorded broadcast, when microphone has audio signal to export audio process to, the beginning recorded broadcast, distinguish simultaneously output order to audio process and central processing unit, the instruction audio process is inputted central processing unit with audio signal, and the instruction central processing unit receives the vision signal of video camera and the audio signal of audio process." video camera 1, video camera 2 ... video camera N ", all the vision signal of video camera is inputted central processing unit from passage separately respectively; " microphone 1, microphone 2 ... microphone N ", all the audio signal of microphones output through audio process except make an uproar, rectification, stack become one tunnel audio signal, and input central processing unit; Central processing unit is processed synchronously to vision signal and audio signal, inputs the multichannel voice frequency video collector from passage separately respectively; Described multichannel voice frequency video collector gathers described audio signal, vision signal, obtains one road collection signal, and described collection signal is the PCM form, comprises described audio signal, video signal information in the described collection signal, and inputs respectively the audio frequency and video encoder; With video flowing and audio stream coding and preservation, wherein the audio stream coding becomes the VoiceXML document storing to the audio frequency and video encoder respectively, and the video flowing coding becomes the MPEG document storing.
Cruise shooting of the present invention system is by the unified control of recorded broadcast controller to video camera and microphone output, and by central processing unit vision signal and audio signal are processed synchronously, solved the storage problem of multi-channel video signal and multipath audio signal in the cruise shooting, each road vision signal and audio signal can be stored respectively becomes independent document, even can be stored in different hardware memory, and can be mutually corresponding between each document, synchronously, preserved complete audio frequency, video information, so that whole shooting process is continuous, smoothness is jumped without picture, the problems such as switching.
More than technical scheme that the embodiment of the invention is provided be described in detail, used specific case herein principle and the execution mode of the embodiment of the invention are set forth, the explanation of above embodiment is only applicable to help to understand the principle of the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, all will change on embodiment and range of application, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a cruise shooting storage method is characterized in that, comprising:
To the central processing unit input audio signal;
Input at least one road vision signal to central processing unit;
Described central processing unit is sent to the multichannel voice frequency video collector according to the mode of timing synchronization with described each audio signal, vision signal;
Described multichannel voice frequency video collector gathers described audio signal, vision signal, obtains one road collection signal, comprises described audio signal, video signal information in the described collection signal;
Described collection signal is carried out audio/video coding;
Store described audio/video coding data.
2. a kind of cruise shooting storage method according to claim 1 is characterized in that, described collection signal is the PCM form.
3. a kind of cruise shooting storage method according to claim 1 is characterized in that,
Described collection signal is carried out audio/video coding, store described audio/video coding data, specifically: the coding of the audio signal information in the described collection signal is become the VoiceXML document storing, the coding of the video signal information in the described collection signal is become the MPEG document storing.
4. a kind of cruise shooting storage method according to claim 1 is characterized in that,
Before central processing unit input audio signal step, also comprise:
Stack synthesizes one tunnel audio signal at least two tunnel audio signals;
To described central processing unit input audio signal, specifically:
With the road audio signal input central processing unit after described synthesizing.
5. a kind of cruise shooting storage method according to claim 4 is characterized in that, in step: before stack synthesizes one tunnel audio signal at least two tunnel audio signals, also comprise:
Gather the status signal of each microphone, described status signal is used as the control signal that automatically begins recorded broadcast or automatically stop recorded broadcast.
6. a cruise shooting system is characterized in that, comprising:
One central processing unit, a multichannel voice frequency video collector, an audio frequency and video encoder, a memory cell, at least one microphone and at least one video camera;
Described video camera is used for the vision signal that gathers and is transferred to described central processing unit;
Described microphone is used for the audio signal that gathers and is transferred to described central processing unit;
Described central processing unit is used for the mode according to timing synchronization, and described each audio signal and vision signal are sent to the multichannel voice frequency video collector;
Described multichannel voice frequency video collector is used for gathering described audio signal and vision signal, acquisition one road collection signal and being transferred to the audio frequency and video encoder, comprises described audio signal and video signal information in the described collection signal;
Described audio frequency and video encoder is used for collection signal is encoded;
Described memory cell is used for storing the coding that described audio frequency and video encoder obtains.
7. cruise shooting according to claim 6 system is characterized in that:
Between described microphone and central processing unit, be in series with an audio process, the audio signal of described microphone output through audio process except make an uproar, rectification, stack become one tunnel audio signal input central processing unit.
8. cruise shooting according to claim 7 system, it is characterized in that: described audio process, central processing unit also are connected with a recording and broadcasting system controller jointly, and described recording and broadcasting system controller is used for controlling the work of described audio process, central processing unit.
9. cruise shooting according to claim 6 system is characterized in that:
Described audio frequency and video encoder becomes the VoiceXML document storing with the audio signal information coding, and the video signal information coding is become the MPEG document storing.
10. cruise shooting according to claim 6 system, it is characterized in that: the vision signal of every video camera saves as respectively different MPEG documents.
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| CN103647906A (en) * | 2013-11-15 | 2014-03-19 | 天津天地伟业数码科技有限公司 | Multipath audio and video synthetic method for embedded hard-disk video recorder |
| CN105141822B (en) * | 2015-09-22 | 2019-01-01 | 杨珊珊 | Aerial device and its method of taking photo by plane |
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| WO2006026354A3 (en) * | 2004-08-25 | 2009-05-14 | Newport Imaging Corp | Apparatus for multiple camera devices and method of operating same |
| CN101370114A (en) * | 2008-09-28 | 2009-02-18 | 深圳华为通信技术有限公司 | Video and audio processing method, multi-point control unit and video conference system |
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