CN102143346A - Cruise shooting storage method and system - Google Patents
Cruise shooting storage method and system Download PDFInfo
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- CN102143346A CN102143346A CN2010101055573A CN201010105557A CN102143346A CN 102143346 A CN102143346 A CN 102143346A CN 2010101055573 A CN2010101055573 A CN 2010101055573A CN 201010105557 A CN201010105557 A CN 201010105557A CN 102143346 A CN102143346 A CN 102143346A
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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 technique for taking field that the present invention relates to cruise specifically provides a kind of cruising to take storage means and system.
Background technology
Along with science and technology development, occurred in recent years with automatic tracking recorded broadcast is the camera system that cruises of representative, can be in real time to speaker or the spokesman shooting of cruising, whole shooting process is continuous, smooth, problems such as no picture jump, switching, positioner in the system can be finished accurately the high definition of speaker or spokesman and scene is taken, and intervenes thereby make whole recorded broadcast process need not the special messenger.
Camera system can solve the multimachine position and follows the tracks of recorded broadcast automatically though prior art is cruised, and does 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 objective of the invention is to overcome the shortcoming of prior art, a kind of cruise the shooting storage means and system that can store all seat in the plane video/audio audio-frequency informations in the shooting process that cruises simultaneously is provided.
In order to reach above goal of the invention, the technical solution adopted in the present invention is:
A kind of shooting storage means of cruising comprises: to the central processing unit input audio signal; Import 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 synchronous mode of sequential with described each audio signal, vision signal; Described multichannel voice frequency video collector is gathered described audio signal, vision signal, obtains one tunnel acquired signal, comprises described audio signal, video signal information in the described acquired signal; Described acquired signal is carried out audio/video coding; Store described audio/video coding data.
Preferably, described acquired signal is the PCM form.
Preferably, described described acquired signal is carried out audio/video coding, store described audio/video coding data; Specifically: the coding of the audio signal information in the described acquired signal is become the VoiceXML document storing, the coding of the video signal information in the described acquired 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 begins recorded broadcast automatically or stop recorded broadcast automatically.
A kind of camera system that cruises 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; The vision signal that described video camera is used to gather also is transferred to described central processing unit; The audio signal that described microphone is used to gather also is transferred to described central processing unit; Described central processing unit is used for according to the synchronous mode of sequential described each audio signal and vision signal being sent to the multichannel voice frequency video collector; Described multichannel voice frequency video collector is used to gather described audio signal and vision signal, acquisition one tunnel acquired signal and is transferred to the audio frequency and video encoder, comprises described audio signal and video signal information in the described acquired signal; Described audio frequency and video encoder is used for acquired signal is encoded; Described memory cell is used to store the coding that described audio frequency and video encoder obtains.
Preferably, be in series with an audio process between described microphone and central processing unit, the audio signal of described microphone output is removed through audio process and is made 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 to control 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 different MPEG documents respectively.
The method that the present invention adopts mainly is by the central processing unit Synchronous Processing and be synthesized on one tunnel acquired signal with 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, make whole shooting process continuous, smooth, problems such as no picture jump, switching.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute to improper qualification of the present invention, in the accompanying drawings:
Fig. 1 takes the signal processing flow figure of storage means for the present invention cruises;
Fig. 2 is the cruise structural representation of shooting and storing system of the present invention;
Fig. 3 is audio signal of the present invention and Video signal processing flow chart.
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 is represented audio signal and vision signal, and dotted arrow is represented control signal, the invention discloses a kind of shooting storage means of cruising: begin recorded broadcast automatically 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 imported N road vision signal; Secondly, central processing unit is sent to the multichannel voice frequency video collector according to the synchronous mode of sequential with described each audio signal, vision signal; Then, described multichannel voice frequency video collector is gathered described audio signal, vision signal, obtains one tunnel acquired signal, and described acquired signal is the PCM form, comprises described audio signal, video signal information in the described acquired signal; At last, the coding of the audio signal information in the described acquired signal is become the VoiceXML document storing, the coding of the video signal information in the described acquired signal is become the MPEG document storing.
As shown in Figure 2, solid arrow is represented audio signal and vision signal, and dotted arrow is represented control signal.A kind of camera system that cruises of the present invention 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 synchronous mode of sequential with described each audio signal and vision signal; Described multichannel voice frequency video collector is gathered described audio signal and vision signal, acquisition one tunnel acquired signal and is transferred to the audio frequency and video encoder, comprises described audio signal and video signal information in the described acquired 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, be in series with an audio process between described microphone and central processing unit, the audio signal of described microphone output is removed through audio process and is made 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 to control the work of described audio process, central processing unit.
Be illustrated in figure 3 as audio signal of the present invention and Video signal processing flow chart, solid arrow is represented audio signal and vision signal, and dotted arrow is represented control signal.Described audio process is gathered the status signal of microphone, the conduct of input recording and broadcasting system controller begins recorded broadcast automatically or stops the control signal of recorded broadcast automatically, when microphone has audio signal output to audio process, the beginning recorded broadcast, distinguish output order simultaneously to audio process and central processing unit, the instruction audio process is imported 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 imported central processing unit from passage separately respectively; " microphone 1, microphone 2 ... microphone N ", all the audio signal of microphones output remove through audio process make an uproar, rectification, stack become one tunnel audio signal, and input central processing unit; Central processing unit is imported the multichannel voice frequency video collector from passage separately respectively to vision signal and audio signal Synchronous Processing; Described multichannel voice frequency video collector is gathered described audio signal, vision signal, obtains one tunnel acquired signal, and described acquired signal is the PCM form, comprises described audio signal, video signal information in the described acquired signal, and imports the audio frequency and video encoder respectively; 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.
The present invention cruises camera system by the unified control of recorded broadcast controller to video camera and microphone output, and vision signal and audio signal are carried out Synchronous Processing by central processing unit, having solved cruises take in the storage problem of multi-channel video signal and multipath audio signal, 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 corresponding mutually between each document, synchronously, preserved complete audio frequency, video information, make that whole shooting process is continuous, smoothness, no picture jumps, problems such as switching.
More than the technical scheme that the embodiment of the invention provided is described in detail, used specific case herein the principle and the execution mode of the embodiment of the invention are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. the shooting storage means of cruising is characterized in that, comprising:
To the central processing unit input audio signal;
Import 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 synchronous mode of sequential with described each audio signal, vision signal;
Described multichannel voice frequency video collector is gathered described audio signal, vision signal, obtains one tunnel acquired signal, comprises described audio signal, video signal information in the described acquired signal;
Described acquired signal is carried out audio/video coding;
Store described audio/video coding data.
2. a kind of shooting storage means of cruising according to claim 1 is characterized in that,
Described acquired signal is the PCM form.
3. a kind of shooting storage means of cruising according to claim 1 is characterized in that,
Described acquired signal is carried out audio/video coding, store described audio/video coding data, specifically:
Audio signal information in described acquired signal coding is become the VoiceXML document storing, the coding of the video signal information in the described acquired signal is become the MPEG document storing.
4. a kind of shooting storage means of cruising 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 shooting storage means of cruising 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 begins recorded broadcast automatically or stop recorded broadcast automatically.
6. the camera system that cruises 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;
The vision signal that described video camera is used to gather also is transferred to described central processing unit;
The audio signal that described microphone is used to gather also is transferred to described central processing unit;
Described central processing unit is used for according to the synchronous mode of sequential described each audio signal and vision signal being sent to the multichannel voice frequency video collector;
Described multichannel voice frequency video collector is used to gather described audio signal and vision signal, acquisition one tunnel acquired signal and is transferred to the audio frequency and video encoder, comprises described audio signal and video signal information in the described acquired signal;
Described audio frequency and video encoder is used for acquired signal is encoded;
Described memory cell is used to store the coding that described audio frequency and video encoder obtains.
7. the camera system that cruises according to claim 6 is characterized in that:
Be in series with an audio process between described microphone and central processing unit, the audio signal of described microphone output is removed through audio process and is made an uproar, rectification, stack become one tunnel audio signal input central processing unit.
8. the camera system that cruises according to claim 7 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 to control the work of described audio process, central processing unit.
9. the camera system that cruises according to claim 6 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. the camera system that cruises according to claim 6 is characterized in that: the vision signal of described every video camera saves as different MPEG documents respectively.
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| CN 201010105557 CN102143346B (en) | 2010-01-29 | 2010-01-29 | Cruise shooting storage method and system |
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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 |
| CN105141822A (en) * | 2015-09-22 | 2015-12-09 | 杨珊珊 | Aerial photography device and aerial photography method thereof |
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