CN102647546A - Method for realizing collection and edition of multi-channel signals - Google Patents
Method for realizing collection and edition of multi-channel signals Download PDFInfo
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- CN102647546A CN102647546A CN2012101269514A CN201210126951A CN102647546A CN 102647546 A CN102647546 A CN 102647546A CN 2012101269514 A CN2012101269514 A CN 2012101269514A CN 201210126951 A CN201210126951 A CN 201210126951A CN 102647546 A CN102647546 A CN 102647546A
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Abstract
The invention discloses a method for realizing collection and edition of multi-channel signals. The method comprises receiving signals collected from at least two channels and generating corresponding signal material files; determining whether a switch signal transmitted by a switch station is present; analyzing the switch signal when the switch signal is detected; obtaining the file serial number of the current material file carried by the switch signal; integrating the file serial numbers according to the sequence of time codes to generate an edit decision list (EDL); intercepting corresponding signal material filter according to the EDL, and downloading the signal material filter to a storyboard to obtain a plurality of material file segments of the at least two signals; and packing up the storyboard to files, and outputting the files. The method provided by the invention can simultaneously collect and edit signals in the recording mode by using the plurality of channels to improve the collection and edition efficiency, and can finely edit the material files in the editing mode to improve the time accuracy of the broadcast files.
Description
Technical field
The present invention relates to field of broadcast televisions, relate in particular to a kind of method that realizes that the multiple tracks signal is gathered and edited.
Background technology
The technical development of field of broadcast televisions is more and more faster, and is therefore also increasingly high to the requirement of each link of video production, not only requires the quality of program making, and also the efficient to program making has proposed than the highland requirement.
In the existing program making, when signals collecting, can only upload the acquired signal of a passage simultaneously, and only after signal recording, could edit, often find just in playing programs that broadcasting pictures is not corresponding with time frame signal.Can't satisfy the requirement of the become more meticulous editor and the quick Fabrication of video program.
The inventor finds that there is following technical problem in prior art in the process of embodiment of the present invention:
(1), can only carry out gathering and editing of signal by single channel, the signal efficient of gathering and editing is low;
(2), the editor that can not become more meticulous when recording, accuracy rate is low.
Summary of the invention
In order to solve the shortcoming of above-mentioned prior art; Main purpose of the present invention provides a kind of method that realizes that the multiple tracks signal is gathered and edited; Utilize a plurality of passages under recording mode simultaneously to signals collecting and editor; Improve the efficient of gathering and editing, and under edit pattern to the material file editor that becomes more meticulous, improve the time accuracy rate of broadcast file.
In order to achieve the above object, the invention provides a kind of method that realizes that the multiple tracks signal is gathered and edited, specifically comprise:
Receive two-way acquired signal and the corresponding signal material file of generation at least;
Detect the switching signal that whether has cut bank to send;
After the switching signal that detects said cut bank transmission, resolve said switching signal;
The files-designated sequence number of the current material file that obtains to carry in the said switching signal;
Continue to detect the switching signal that whether has said cut bank to send;
If do not detect the switching signal that said cut bank sends, then with the files-designated sequence number of said current material file as next files-designated sequence number;
If detect new switching signal, then resolve said new switching signal, the files-designated sequence number of using the material file of carrying in the said new switching signal is as next files-designated sequence number;
All Files is marked the sequence integration generation edit decision list EDL table of sequence number according to timing code;
Show the corresponding signal material file of intercepting and download to the story version according to said EDL, obtain a plurality of fragment material file of two paths of signals at least;
Said story version is packaged into file and output by the story version.
The method that realization multichannel provided by the invention is gathered and edited, utilize a plurality of passages under recording mode simultaneously to signals collecting and editor, improve the efficient of gathering and editing, and under edit pattern to the material file editor that becomes more meticulous, improve the time accuracy rate of broadcast file.
Description of drawings
Technical scheme for the clearer explanation embodiment of the invention; The accompanying drawing of required use is done simple the introduction in will describing embodiment below; Conspicuous, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
A kind of method flow diagram of realizing that the multiple tracks signal is gathered and edited that Fig. 1 provides for the embodiment of the invention one;
A kind of method flow diagram of realizing that the multiple tracks signal is gathered and edited that Fig. 2 provides for the embodiment of the invention two.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, complete description; Obvious described embodiment only is a part of embodiment of the present invention, is not whole embodiment, based on the embodiment among the present invention; Those of ordinary skills are not paying the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The embodiment of the invention one provides a kind of method that realizes that the multiple tracks signal is gathered and edited, and implementation procedure is as shown in Figure 1, is specially:
Step S101: receive two-way acquired signal and the corresponding signal material file of generation at least.
Step S102: detect the switching signal that whether has cut bank to send.
Step S103: after the switching signal that detects said cut bank transmission, resolve said switching signal.
Step S104: the files-designated sequence number of the current material file that obtains to carry in the said switching signal.
Step S105: continue to detect the switching signal that whether has said cut bank to send.
Step S1061: if do not detect the switching signal that said cut bank sends, then with the files-designated sequence number of said current material file as next files-designated sequence number.
Step S1062: if detect new switching signal, then resolve said new switching signal, the files-designated sequence number of using the material file of carrying in the said new switching signal is as next files-designated sequence number.
Step S107: All Files is marked sequence integration generation EDL (Edit Decision List, the edit decision list) table of sequence number according to timing code.
Step S108: show the corresponding signal material file of intercepting and download to the story version according to said EDL, obtain a plurality of fragment material file of two paths of signals at least.
Step S109: said story version is packaged into file and output by the story version.Concrete, a plurality of fragment material file of the said two paths of signals at least in the said story version are packaged into file and output according to the order of timing code in the said story version.
A kind of method that realizes that the multiple tracks signal is gathered and edited that the embodiment of the invention provides; Utilize a plurality of passages under recording mode simultaneously to signals collecting and editor; Improve the efficient of gathering and editing, and under edit pattern to the material file editor that becomes more meticulous, improve the time accuracy rate of broadcast file.
A kind of method that realizes that the multiple tracks signal is gathered and edited that the embodiment of the invention two combines practical application that embodiment one is provided is done further detailed explanation; The acquired signal of sending with at least 4 slaves of a main frame reception in this enforcement is that example describes; Wherein, every slave receives the signal of No. 4 video cameras, promptly realizes gathering and editing of 16 channel signals; As shown in Figure 2, do not regard it as certainly and exceed.
Step S201: record 16 tunnel acquired signal in collecting and editing system, and change said acquired signal the signal material file of collecting and editing system into.
16 tunnel concrete, as can at least 4 slaves of synchronous recording to send acquired signal also can be recorded the acquired signal that every slave sends separately.
Step S202: detect the switching signal that whether has cut bank to send.
Step S203: after the switching signal that detects said cut bank transmission, resolve said switching signal.
Step S204: the files-designated sequence number of the current material file that obtains to carry in the said switching signal.
Step S205: continue to detect the switching signal that whether has said cut bank to send.
Step S2061: if do not detect the switching signal that said cut bank sends, then with the files-designated sequence number of said current material file as next files-designated sequence number.
Step S2062: if detect new switching signal, then resolve said new switching signal, the files-designated sequence number of using the material file of carrying in the said new switching signal is as next files-designated sequence number.
Step S207: All Files is marked the sequence integration generation edit decision list EDL table of sequence number according to timing code;
Concrete: cut bank can send switching command to the multiple tracks signal that collects, and according to the sequence number of carrying in the switching command, the picture of correspondence is appeared on TV, receive next switching command again before, the signal source of picture can not change.Acting as of cut bank carried out the editor while gathering to the signal material file of recording, and makes every road signal material file corresponding with the time encoding of this passage, makes each frame correspond to the channel signal material file that it is quoted;
Preferably, generate above-mentioned EDL table after, can directly carry out the broadcast of material file.
Step S208: show 16 road signal material file of intercepting current time and download to the story version according to said EDL, at this moment, the user also can check picture in the said story version through preview.
Concrete, above-mentioned steps S201-207 is recording, and the operation of carrying out under the pattern after generating the EDL table, can get into edit pattern the material file in the EDL table is carried out meticulous editor.
Every road signal in the EDL table is loaded into pieces possibly causes the not corresponding of present frame and material file in the story version; So the user can be under edit pattern repaiied the frame operation to the fragment material file, makes present frame corresponding with material file, so that current picture is corresponding with present frame during follow-up play; Concrete; Judge the integrality of said a plurality of fragment material file frames one by one, the integrality of said frame comprises: the PAL form is 25 frames for each second, and the NTSC form is 30 frames for each second; If frame number meets said PAL or NTSC call format, then do not revise; If frame number does not meet said PAL or NTSC call format, then repair frame, certainly, be not limited to PAL and NTSC form, the user also can repair frame according to self needs.
Step S209: the story version behind the said editor is packaged into file and output by the story version, and a plurality of fragment material file that are about to said 16 tunnel material file in the said story version are packaged into file and output according to the order of timing code in the said story version.
Concrete, 16 tunnel material file are arranged in the embodiment of the invention, so can it be packaged as 16 at most, export the material file after the gathering and editing of 16 passages.
The method that the realization multichannel that the embodiment of the invention provides is gathered and edited; Utilize a plurality of passages under recording mode simultaneously to signals collecting and editor; Improve the efficient of gathering and editing, and under edit pattern to the material file editor that becomes more meticulous, improve the time accuracy rate of broadcast file.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize through software, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding; Technical scheme of the present invention can be come out with the embodied of software product, this software product can be stored in a non-volatile memory medium (can be CD-ROM, USB flash disk; Portable hard drive etc.) in; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above is merely specific embodiment of the present invention, but characteristic of the present invention is not limited thereto, and any people who is familiar with this technology is in field of the present invention, and the variation that can expect easily or modification all should be encompassed in the following claim of the present invention.
Claims (6)
1. a method that realizes that the multiple tracks signal is gathered and edited is characterized in that, this method comprises:
Receive two-way acquired signal and the corresponding signal material file of generation at least;
Detect the switching signal that whether has cut bank to send;
After the switching signal that detects said cut bank transmission, resolve said switching signal;
The files-designated sequence number of the current material file that obtains to carry in the said switching signal;
Continue to detect the switching signal that whether has said cut bank to send;
If do not detect the switching signal that said cut bank sends, then with the files-designated sequence number of said current material file as next files-designated sequence number;
If detect new switching signal, then resolve said new switching signal, the files-designated sequence number of using the material file of carrying in the said new switching signal is as next files-designated sequence number;
All Files is marked the sequence integration generation edit decision list EDL table of sequence number according to timing code;
Show the corresponding signal material file of intercepting and download to the story version according to said EDL, obtain a plurality of fragment material file of two paths of signals at least;
Said story version is packaged into file and output by the story version.
2. a kind of method that realizes that the multiple tracks signal is gathered and edited as claimed in claim 1 is characterized in that, comprises before the switching signal whether said detection has cut bank to send:
Record the said acquired signal of two-way at least.
3. a kind of method that realizes that the multiple tracks signal is gathered and edited as claimed in claim 2 is characterized in that, saidly records the said acquired signal of two-way at least and comprises:
Record the said acquired signal of two-way at least separately; And/or,
The said two-way at least of synchronous recording acquired signal.
4. a kind of method that realizes that the multiple tracks signal is gathered and edited as claimed in claim 1 is characterized in that, saidly also comprises according to the corresponding signal material file of said EDL table intercepting and after downloading to the story version:
Check picture in the said story version through preview.
5. a kind of method that realizes that the multiple tracks signal is gathered and edited as claimed in claim 1 is characterized in that, also comprises after the said a plurality of fragment material file that obtain two paths of signals at least:
Judge the integrality of said a plurality of fragment material file frames one by one, the integrality of said frame comprises: the PAL form is 25 frames for each second, and the NTSC form is 30 frames for each second;
If frame number meets said PAL or NTSC call format, then do not revise;
If frame number does not meet said PAL or NTSC call format, then repair frame.
6. a kind of method that realizes that the multiple tracks signal is gathered and edited as claimed in claim 1 is characterized in that, said with said story version by the story version be packaged into file and output comprise:
A plurality of fragment material file of the said two paths of signals at least in the said story version are packaged into file and output according to the order of timing code in the said story version.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101269514A CN102647546A (en) | 2012-04-26 | 2012-04-26 | Method for realizing collection and edition of multi-channel signals |
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| CN2012101269514A CN102647546A (en) | 2012-04-26 | 2012-04-26 | Method for realizing collection and edition of multi-channel signals |
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| CN104854808A (en) * | 2013-01-17 | 2015-08-19 | 富士通株式会社 | Method for measuring channel quality, user equipment, and base station |
| CN108540734A (en) * | 2018-05-16 | 2018-09-14 | 中央电视台 | A kind of switching method, device, system and the electronic equipment of 4K video/audio signals |
| CN108600580A (en) * | 2018-05-16 | 2018-09-28 | 中央电视台 | 4K programs supervise method and system |
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| CN101472078A (en) * | 2007-12-26 | 2009-07-01 | 北京同步科技有限公司 | Multi-position recording system of vision studio |
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| CN101094090A (en) * | 2003-01-16 | 2007-12-26 | 索尼英国有限公司 | Video/audio network |
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| CN104854808A (en) * | 2013-01-17 | 2015-08-19 | 富士通株式会社 | Method for measuring channel quality, user equipment, and base station |
| CN108540734A (en) * | 2018-05-16 | 2018-09-14 | 中央电视台 | A kind of switching method, device, system and the electronic equipment of 4K video/audio signals |
| CN108600580A (en) * | 2018-05-16 | 2018-09-28 | 中央电视台 | 4K programs supervise method and system |
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Application publication date: 20120822 |