CN103491365A - Television program multi-mode film examination method achieving one-key control - Google Patents
Television program multi-mode film examination method achieving one-key control Download PDFInfo
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Abstract
The invention discloses a television program multi-mode film examination method achieving one-key control. According to an existing film examination technique, professionals need to coordinate to complete examination operation for the whole program step by step according to item-by-item examination. The television program multi-mode film examination method comprises the following steps that (1) film examination modes are defined; (2) physical connection for film examination equipment is constructed; (3) one-key touch control is switched: the film examination modes are firstly touched and clicked, and configuration information of the film examination modes is read; then judgment and switching are carried out according to types of screen signal sources in the configuration information, the number and types of video signals sources and the number and types of audio signal sources; (4) names of the signal sources are tracked; (5) subjective and objective film examination results are checked. According to the television program multi-mode film examination method, diversified control for the equipment is achieved; 'one-key triggering' mode simple operation can be achieved; film examination equipment interfaces are plentiful, and meanwhile precise cascading operation of multiple video cassette recorders is achieved.
Description
Technical field
The invention belongs to broadcasting and TV review of a film by the censor areas of information technology, relate in particular to a kind of TV programme multi-mode film examination method of realizing a key control, the program source of the compatible multiple format of energy is carried out the evaluation of video and audio subjectivity and objectivity index, and realizes the independence and interlock control of many video tape recorders.
Background technology
The program estimating and examining system, as the important window that ensures TV Safe Broadcasting, is being born the technical quality judge work of all kinds of TV programme in platform, is an integrated application platform that carries out the objective and subjective evaluation of program technical indicator.The program of TV station will pass through satellite, microwave from taking, make, broadcasting, a plurality of transmission links such as wired could arrive spectators' family, same program at signal system, the technical indicator of broadcasting, pass each node can change, and directly has influence on spectators' the effect of watching.
At present, domesticly relate to TV programme review of a film by the censor systematic research and the existing document of application and patent report, but be all for
the video and audio filecarry out the review of a film by the censor, comprise the patent of invention of the film examination method of Beijing University Founder Group Co and Beijing Founder Electronics Co., Ltd; The film examination method based on many code streams of Newauto (Beijing) Video Technology Co., Ltd. and the patent of invention of system; The patent of invention of a kind of networking and documenting digital media program examining system of Zhongke Dayang Science and Technology Development Co. Ltd., Beijing; Design and the realization of the program review of a film by the censor system based on 3G network of Nanjing radio and television group; The ocean content review of a film by the censor system of ocean, BeiJing ZhongKe media technology Services Co., Ltd; The Himalaya ReView specialty review of a film by the censor system of Newauto (Beijing) Video Technology Co., Ltd.; Ripple is looked the MPEG II review of a film by the censor system of multimedia equipment Co., Ltd.
In order to ensure high-quality, broadcast, TV station often need to be assessed the technical quality of program video and audio baseband signal, and carrys out the reason of analyzing influence technical indicator by evaluation.The program estimating and examining system in past often adopts the polydisperse equipment of being permitted, rely on the technical professional to require to connect and control different equipment according to each evaluation, complete respectively the subjectivity and objectivity evaluation of single programs signal source, the efficiency that wastes time and energy is low, and can't realize the master of different programme signals, objective real-time contrast evaluation.Therefore select by the configuration of screen source, oscillography source and source of sound, realize the self-defined of review of a film by the censor pattern; Select review of a film by the censor pattern by patterned interface, the method for following the tracks of by parent name display source signal directly perceived, realize that the program of " What You See Is What You Get " is evaluated mode; By the integrated control to all kinds of review of a film by the censor device interface protocols, realize the program evaluation requirement that a key triggers; Control by the simultaneous operation to many video tape recorders, in conjunction with review of a film by the censor model selection, realize that the master of a plurality of program film sources, the objective indicator contrast review of a film by the censor are the development trend places.
Summary of the invention
The objective of the invention is to solve the deficiency of existing review of a film by the censor technology, video and audio baseband signal for the broadcasting and TV field is carried out the requirement of subjectivity and objectivity index evaluation simultaneously, a kind of TV programme multi-mode film examination method of realizing a key control is provided, changes the comprehensive evaluation mode of station synchronization content and technical quality.
The technical solution adopted for the present invention to solve the technical problems is as follows:
Step (1). review of a film by the censor mode-definition;
Review of a film by the censor schema elements comprises video signal source, audio signal source, video test signals source, audio-frequency test (monitoring) signal source, screen signal source, picture segmentation signal source; Wherein video signal source comprises HD-SDI signal, VGA signal, DVI signal, HDMI signal, and audio signal source comprises that HD-SDI embeds audio frequency, AES audio frequency, the coaxial audio frequency of numeral, analogue audio frequency.
In review of a film by the censor mode-definition, but video signal source, audio signal source, screen signal source independent assortment, and then form an independently review of a film by the censor pattern and preserve; In each review of a film by the censor pattern, if this pattern comprises a plurality of video test signals source, audio-frequency test (monitoring) signal source or picture segmentation signal source, video test signals source, audio-frequency test (monitoring) signal source or picture segmentation signal source also can be carried out free selection;
Step (2). the physical connection of review of a film by the censor equipment;
Review of a film by the censor equipment comprises that multi-format interface equipment, video matrix equipment, Audio Matrix equipment, video measurement equipment, audio-frequency test equipment, picture segmentation equipment, video and audio supervise audiomonitor, review of a film by the censor controller, touch screen and Duo Tai video tape recorder;
The VT of multi-format interface equipment and many video tape recorders is connected with the signal input part of video matrix equipment, the input port that two signal output parts of video matrix equipment supervise audiomonitor with video and audio respectively is connected with the input port of video measurement equipment, and the output port of video measurement equipment is connected with another input port that video and audio supervises audiomonitor;
The audio signal output end of multi-format interface equipment and many video tape recorders is connected with the signal input part of Audio Matrix equipment, the signal output part of Audio Matrix equipment is connected with the input port of audio-frequency test equipment, and the output port of audio-frequency test equipment is connected with the input port that video and audio supervises audiomonitor;
The GPI control signal output of video measurement equipment and audio-frequency test equipment, the RS232 control signal output of video matrix equipment, Audio Matrix equipment, picture segmentation equipment and video and audio monitor, the RS422 control signal output of many video tape recorders is connected with review of a film by the censor controller;
Step (3). a key touch-control switching;
Click review of a film by the censor pattern 3-1. touch, read this review of a film by the censor pattern configurations information;
3-2. the type according to screen signal source in configuration information, judging whether to carry out screen cuts apart, if need, at first judge many split screen signal source passage, then according to many split screen signal source channel selecting picture segmentation signal source, last screen video and audio supervised on audiomonitor according to the picture segmentation signal source carries out split screen, then this screen is switched; If do not need, directly this screen is switched;
3-3. judged according to number and the type of video signal source in review of a film by the censor pattern configurations information, if more than one of video signal source, at first according to vision signal Source Type Switch Video matrix device, select the video test signals source, secondly according to video test signals source and video signal source number, video measurement equipment is switched; If video signal source only has one, directly carry out the switching of video measurement equipment;
3-4. judged according to number and the type of review of a film by the censor pattern configurations information sound intermediate frequency signal source, if more than one of audio signal source, at first according to audio signal Source Type switching Audio Matrix equipment, select the audio-frequency test signal source, secondly according to audio-frequency test signal source and audio signal source number, audio-frequency test equipment is switched; If audio signal source only has one, directly carry out the switching of audio-frequency test equipment;
Step (4). signal source name is followed the tracks of;
After video measurement equipment and the switching of audio-frequency test equipment, each video signal source or audio signal source are provided with signal source name, this road signal source of the unique sign of this title, and when signal source process multi-format interface equipment, video matrix equipment, Audio Matrix equipment, video measurement equipment, audio-frequency test equipment, video and audio supervises audiomonitor, during review of a film by the censor controller, signal source name all will be automatically tracked, and be brought in next stage review of a film by the censor equipment simultaneously, to the last be shown on the screen that video and audio supervises audiomonitor, realize final signal source name tracking,
Step (5). check main, objective review of a film by the censor result;
According to the configuration information of this review of a film by the censor pattern, by the centralized control of many video tape recorders, supervise in video and audio on the screen of audiomonitor and check this review of a film by the censor result and playing progress rate thereof.
In described review of a film by the censor equipment, many video tape recorders are centralized control, when can realize separate unit, many video tape recorders, control, and also can separately control every video tape recorder; Can trigger that many video tape recorders are synchronously play, stopped simultaneously, F.F., rewind down, search or locate by timing code.
Beneficial effect of the present invention is as follows:
1, the present invention can realize device diversity control;
2, user interface of the present invention is directly perceived, can reach " key triggers " formula simple operations;
3, review of a film by the censor equipment interface of the present invention is abundant, the multi-signal form interfaces such as HD/SD-SDI, the DVI that comprises field of broadcast televisions and civil equipment application, VGA, HDMI, AES audio frequency, the coaxial audio frequency of numeral, analogue audio frequency;
4, the present invention can carry out, objective parameter contrast evaluation main with screen in the programme signal of making, broadcast, pass each node by TV station;
5, the present invention can trigger that many video tape recorders are synchronously play, stopped, F.F., rewind down, search or by the operation of the common functions such as timing code location, realize the accurate cascade operation of many video tape recorders.
The accompanying drawing explanation
Fig. 1 is review of a film by the censor equipment connection schematic diagram of the present invention;
Fig. 2 is review of a film by the censor mode-definition schematic diagram in the present invention;
Fig. 3 is a key review of a film by the censor flow chart in the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
A kind of TV programme multi-mode film examination method of realizing a key control, specific implementation comprises the steps:
Step (1). review of a film by the censor mode-definition;
As shown in Figure 2, review of a film by the censor schema elements comprises video signal source, audio signal source, video test signals source, audio-frequency test (monitoring) signal source, screen signal source, picture segmentation signal source; Wherein video signal source comprises HD-SDI signal, VGA signal, DVI signal, HDMI signal, and audio signal source comprises that HD-SDI embeds audio frequency, AES audio frequency, the coaxial audio frequency of numeral, analogue audio frequency.
In review of a film by the censor mode-definition, but video signal source, audio signal source, screen signal source independent assortment, and then form an independently review of a film by the censor pattern and preserve; In each review of a film by the censor pattern, if this pattern comprises a plurality of video test signals source, audio-frequency test (monitoring) signal source or picture segmentation signal source, video test signals source, audio-frequency test (monitoring) signal source or picture segmentation signal source also can be carried out free selection;
Step (2). the physical connection of review of a film by the censor equipment;
As shown in Figure 1, review of a film by the censor equipment comprises that multi-format interface equipment, video matrix equipment, Audio Matrix equipment, video measurement equipment, audio-frequency test equipment, picture segmentation equipment, video and audio supervise audiomonitor, review of a film by the censor controller, touch screen and Duo Tai video tape recorder;
The VT of multi-format interface equipment and many video tape recorders is connected with the signal input part of video matrix equipment, the input port that two signal output parts of video matrix equipment supervise audiomonitor with video and audio respectively is connected with the input port of video measurement equipment, and the output port of video measurement equipment is connected with another input port that video and audio supervises audiomonitor;
The audio signal output end of multi-format interface equipment and many video tape recorders is connected with the signal input part of Audio Matrix equipment, the signal output part of Audio Matrix equipment is connected with the input port of audio-frequency test equipment, and the output port of audio-frequency test equipment is connected with the input port that video and audio supervises audiomonitor;
The GPI control signal output of video measurement equipment and audio-frequency test equipment, the RS232 control signal output of video matrix equipment, Audio Matrix equipment, picture segmentation equipment and video and audio monitor, the RS422 control signal output of many video tape recorders is connected with review of a film by the censor controller;
Step (3). a key touch-control switching;
3-1. as shown in Figure 3, touch and click review of a film by the censor pattern, read this review of a film by the censor pattern configurations information;
3-2. the type according to screen signal source in configuration information, judging whether to carry out screen cuts apart, if need, at first judge many split screen signal source passage, then according to many split screen signal source channel selecting picture segmentation signal source, last screen video and audio supervised on audiomonitor according to the picture segmentation signal source carries out split screen, then this screen is switched; If do not need, directly this screen is switched;
3-3. judged according to number and the type of video signal source in review of a film by the censor pattern configurations information, if more than one of video signal source, at first according to vision signal Source Type Switch Video matrix device, select the video test signals source, secondly according to video test signals source and video signal source number, video measurement equipment is switched; If video signal source only has one, directly carry out the switching of video measurement equipment;
3-4. judged according to number and the type of review of a film by the censor pattern configurations information sound intermediate frequency signal source, if more than one of audio signal source, at first according to audio signal Source Type switching Audio Matrix equipment, select the audio-frequency test signal source, secondly according to audio-frequency test signal source and audio signal source number, audio-frequency test equipment is switched; If audio signal source only has one, directly carry out the switching of audio-frequency test equipment;
Step (4). signal source name is followed the tracks of;
After video measurement equipment and the switching of audio-frequency test equipment, each video signal source or audio signal source are provided with signal source name, this road signal source of the unique sign of this title, and when signal source process multi-format interface equipment, video matrix equipment, Audio Matrix equipment, video measurement equipment, audio-frequency test equipment, picture segmentation equipment, video and audio supervises audiomonitor, during review of a film by the censor controller, signal source name all will be automatically tracked, and be brought in next stage review of a film by the censor equipment simultaneously, to the last be shown on the screen that video and audio supervises audiomonitor, realize final signal source name tracking,
Step (5). check main, objective review of a film by the censor result;
According to the configuration information of this review of a film by the censor pattern, by the centralized control of many video tape recorders, supervise in video and audio on the screen of audiomonitor and check this review of a film by the censor result and playing progress rate thereof.
In described review of a film by the censor equipment, many video tape recorders are centralized control, when can realize separate unit, many video tape recorders, control, and also can separately control every video tape recorder; Can trigger that many video tape recorders are synchronously play, stopped simultaneously, F.F., rewind down, search or locate by timing code.
Claims (1)
1. a TV programme multi-mode film examination method of realizing a key control, is characterized in that comprising the steps:
Step (1). review of a film by the censor mode-definition;
Review of a film by the censor schema elements comprises video signal source, audio signal source, video test signals source, audio-frequency test (monitoring) signal source, screen signal source, picture segmentation signal source; Wherein video signal source comprises HD-SDI signal, VGA signal, DVI signal, HDMI signal, and audio signal source comprises that HD-SDI embeds audio frequency, AES audio frequency, the coaxial audio frequency of numeral, analogue audio frequency;
In review of a film by the censor mode-definition, but video signal source, audio signal source, screen signal source independent assortment, and then form an independently review of a film by the censor pattern and preserve; In each review of a film by the censor pattern, if this pattern comprises a plurality of video test signals source, audio-frequency test signal source or picture segmentation signal source, video test signals source, audio-frequency test signal source or picture segmentation signal source also can be carried out free selection;
Step (2). the physical connection of review of a film by the censor equipment;
Review of a film by the censor equipment comprises that multi-format interface equipment, video matrix equipment, Audio Matrix equipment, video measurement equipment, audio-frequency test equipment, picture segmentation equipment, video and audio supervise audiomonitor, review of a film by the censor controller, touch screen and Duo Tai video tape recorder;
The VT of multi-format interface equipment and many video tape recorders is connected with the signal input part of video matrix equipment, the input port that two signal output parts of video matrix equipment supervise audiomonitor with video and audio respectively is connected with the input port of video measurement equipment, and the output port of video measurement equipment is connected with another input port that video and audio supervises audiomonitor;
The audio signal output end of multi-format interface equipment and many video tape recorders is connected with the signal input part of Audio Matrix equipment, the signal output part of Audio Matrix equipment is connected with the input port of audio-frequency test equipment, and the output port of audio-frequency test equipment is connected with the input port that video and audio supervises audiomonitor;
The GPI control signal output of video measurement equipment and audio-frequency test equipment, the RS232 control signal output of video matrix equipment, Audio Matrix equipment, picture segmentation equipment and video and audio monitor, the RS422 control signal output of many video tape recorders is connected with review of a film by the censor controller;
Step (3). a key touch-control switching;
Click review of a film by the censor pattern 3-1. touch, read this review of a film by the censor pattern configurations information;
3-2. the type according to screen signal source in configuration information, judging whether to carry out screen cuts apart, if need, at first judge many split screen signal source passage, then according to many split screen signal source channel selecting picture segmentation signal source, last screen video and audio supervised on audiomonitor according to the picture segmentation signal source carries out split screen, then this screen is switched; If do not need, directly this screen is switched;
3-3. judged according to number and the type of video signal source in review of a film by the censor pattern configurations information, if more than one of video signal source, at first according to vision signal Source Type Switch Video matrix device, select the video test signals source, secondly according to video test signals source and video signal source number, video measurement equipment is switched; If video signal source only has one, directly carry out the switching of video measurement equipment;
3-4. judged according to number and the type of review of a film by the censor pattern configurations information sound intermediate frequency signal source, if more than one of audio signal source, at first according to audio signal Source Type switching Audio Matrix equipment, select the audio-frequency test signal source, secondly according to audio-frequency test signal source and audio signal source number, audio-frequency test equipment is switched; If audio signal source only has one, directly carry out the switching of audio-frequency test equipment;
Step (4). signal source name is followed the tracks of;
After video measurement equipment and the switching of audio-frequency test equipment, each video signal source or audio signal source are provided with signal source name, this road signal source of the unique sign of this title, and when signal source process multi-format interface equipment, video matrix equipment, Audio Matrix equipment, video measurement equipment, audio-frequency test equipment, picture segmentation equipment, video and audio supervises audiomonitor, during review of a film by the censor controller, signal source name all will be automatically tracked, and be brought in next stage review of a film by the censor equipment simultaneously, to the last be shown on the screen that video and audio supervises audiomonitor, realize final signal source name tracking,
Step (5). check main, objective review of a film by the censor result;
According to the configuration information of this review of a film by the censor pattern, by the centralized control of many video tape recorders, supervise in video and audio on the screen of audiomonitor and check this review of a film by the censor result and playing progress rate thereof;
In described review of a film by the censor equipment, many video tape recorders are centralized control, when can realize separate unit, many video tape recorders, control, and also can separately control every video tape recorder; Can trigger that many video tape recorders are synchronously play, stopped simultaneously, F.F., rewind down, search or locate by timing code.
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| CN105577652A (en) * | 2015-12-16 | 2016-05-11 | 上海东方传媒技术有限公司 | Mobile film censoring system in broadcast television field |
| CN115883900A (en) * | 2022-11-29 | 2023-03-31 | 优酷网络技术（北京）有限公司 | Video online review method, device, equipment and program product |
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| CN103491365B (en) | 2015-07-08 |
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