CN103188515A - Method and system of uploading signal quality monitoring - Google Patents
Method and system of uploading signal quality monitoring Download PDFInfo
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- CN103188515A CN103188515A CN2011104539455A CN201110453945A CN103188515A CN 103188515 A CN103188515 A CN 103188515A CN 2011104539455 A CN2011104539455 A CN 2011104539455A CN 201110453945 A CN201110453945 A CN 201110453945A CN 103188515 A CN103188515 A CN 103188515A
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Abstract
The invention discloses a system and method of uploading signal quality monitoring and belongs to the field of radio and television broadcasting and controlling technical detection. The system and method of the uploading signal quality monitoring carries out capture of digital video according to a task of video capture and detects quality of a captured digital video signal, then detects a signal command in an audio/video file converted from the digital video signal, at last displays a detection result, and verifies the detection result through comparing with an original audio/video file. The system and method of the uploading signal quality monitoring detects technology quality of signals and material files through signal detection and file detection, achieves automated detection of uploading signal quality, enables the detection result to be accurate, improves efficiency of the signal monitoring and meets a security monitoring and control requirement of program material technical examining films.
Description
Technical field
The invention belongs to radio and television Broadcast Control technology for detection field, be specifically related to a kind of signal quality monitoring method and system of uploading.
Background technology
Signal and file acquisition quality in the TV broadcast are monitored the vital task that has become the broadcast television industry management in real time.Can avoid occurring the broadcast accident by quality (Hei Chang, quiet frame, the colour bar etc.) monitoring to signal and file.Use advanced digitizing technique monitoring means to substitute the trend that the personal monitoring has become development.
At present, TV station will finish the security monitoring demand of the technology review of a film by the censor of program material, just needs following function: examine and upload the front signal index; Examining video server records and finishes the material signal index; The monitoring of batch upload material; Judge in a period of time and upload signal quality.And the means that adopt generally are by manually intuitively observing with eyes.We know, domestic employing pal mode, play 25 frame pictures in one second, and used the technical indicator of eye-observation material so, difficulty own is just very big, and, when human eye continued to keep a close watch on picture, labour intensity was very big, and human eye naturally can be tired, therefore error produces, and the picture that does not meet specification requirement may escape from examination.Simultaneously, at present, TV station generally adopts dual mode to the technological audit of material: the one, and the part examination, that is to say, the part of examination material, such as: beginning, centre and ending, so unexamined part just is difficult to know whether the technical indicator of material meets the requirements; The 2nd, comprehensive review just, with material from the beginning to the end, all examines reading through, and when the amount of the material of examining if desired was very big, workload well imagined, and the human eye fatigue that also is bound to, thus, the generating technique quality problems also are difficult to avoid.Further, examining material is need be time-consuming, and the manual review mode is normally finished in the operating time, and the non-working time just is difficult to be used so, and therefore, actual effective efficiency is on the low side.And in the radio data system, whether the broadcast program content is legal, relates to national security, social stability and national image, is a very crucial problem.Have only legal program, could be used for playing.Therefore, if can pass through technological means, finish the high efficiency quick and precisely of material and examine, overcome the above problems, such system TV station just is badly in need of.And at present, still do not have this type systematic on the market.
Summary of the invention
At the defective that exists in the prior art, technical problem to be solved by this invention provide a kind of can detect automatically upload signal upload signal quality detection method and system.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of signal quality monitoring method of uploading may further comprise the steps:
(1) carries out collection and the storage of digital video according to the video acquisition task;
(2) quality to the digital video signal gathered detects, and the signal quality testing result is deposited in the database;
(3) generate audio-video document according to digital video signal by video server, quality of signals in the audio-video document is detected, and the document quality testing result is deposited in the database;
(4) show signal quality testing result and document quality testing result, and the demonstration of audio-video document and playback.
A kind of signal quality monitoring system of uploading comprises for the video acquisition device that carries out collection and the storage of digital video according to the video acquisition task;
Be used for the quality of the digital video signal gathered is detected, signal detecting result is deposited into signal supervisory instrument in the database;
Be used for generating audio-video document according to digital video signal by video server, quality of signals in the audio-video document is detected, and the document quality testing result is deposited into document quality checkout gear in the database;
Be used for showing signal quality testing result and document quality testing result, and the testing result display unit of the demonstration of audio-video document and playback.
Effect of the present invention is: realized the automatic monitoring to signal and file acquisition quality, by the digitlization detection of digital signal and audio-video document, replaced the method for manual detection, it is more accurate to detect, and has improved the efficient of monitoring.Real time warning device is provided, occurs testing result being carried out Realtime Alerts when unusual, save invalid the uploading the time after making a mistake, remind operation, guarantee the document quality that generates in the whole signal upload process.
Description of drawings
Fig. 1 is the structured flowchart of uploading the signal quality monitoring system in the embodiment;
Fig. 2 is the flow chart of uploading the signal quality monitoring method in the embodiment;
Fig. 3 is the result schematic diagram of embodiment kind signal quality monitoring.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.
In order to understand technical scheme of the present invention better, at first carry out briefly bright to the technical terms that relates in the present embodiment.
Automatically examine: refer to utilize signal monitoring equipment, finish the technical monitoring to the desired signal quality.The file skill is examined: refer to read the file in the video server, utilize the quality of the audio-video frequency content of digitizing technique Study document record.
Video server: the video server in the present embodiment refers to the current main-stream video server, as: Omneon, GVG, Leitch etc.
Matrix: the matrix in the present embodiment refers to that the audio frequency and video field is used for finishing the special equipment that signal switches and distributes.
As shown in Figure 1, uploading the signal quality monitoring system in the present embodiment comprises video acquisition device 1, signal supervisory instrument 2, document quality checkout gear 3, triggers conditioning unit 4, real time warning device 5, testing result display unit 6 and testing result demo plant 7.Video acquisition device 1 comprises task resolution unit 11, task collecting unit 12 and task output unit 13.
Signal supervisory instrument 2 is used for the quality of the digital video signal of gathering is detected, and signal detecting result is deposited in the database.
Document quality checkout gear 3 is used for generating audio-video document according to digital video signal by video server, quality of signals in the audio-video document is detected, and the document quality testing result is deposited in the database.
Real time warning device 5 is used for the testing result of signal supervisory instrument or document quality checkout gear when unusual, sends the Realtime Alerts signal.
Testing result display unit 6 is used for showing signal quality testing result and document quality testing result.
The original audio frequency and video image that testing result demo plant 7 is used for according to the video of gathering is verified signal quality testing result and document quality testing result.
As shown in Figure 2, that adopts system shown in Figure 1 uploads the signal quality detection method, may further comprise the steps:
(1) video acquisition device 1 carries out collection and the storage of digital video according to the video acquisition task.
After generating the video acquisition task, the video acquisition task is stored in database and the internal memory, decompose after simultaneously the data of the acquisition tasks in the internal memory being resolved by task resolution unit 11 and generate different control commands, carry out the collection of video by video acquisition unit 12 then, and the digital video signal after will gathering outputs to signal supervisory instrument 2 by video output unit 13.Comprised in the video acquisition task video sign (ID), title, type, starting position, end position, employed video tape recorder index, whether carry out digital video signal automatically detection, testing result and examining information such as whether pass through.
Wherein, the collection of digital video is finished by video tape recorder in the present embodiment, and quality of signals detects and finished by signal detecting and measuring apparatus, by video server the digital video signal of gathering is generated required audio-video document.Before carrying out the collection of video, task resolution unit 11 is arranged with the data decomposition of video acquisition task and generate different control commands, the instruction that comprises the action command of the action command of controlling video tape recorder, control signal detector and read the audio-video document that video server generates automatically.
When gathering video, the control command control video tape recorder action of control video tape recorder; The action of video tape recorder comprises pre-volume, begins to record, finishes to record etc.Video tape recorder is formed shared video tape recorder cluster in the present embodiment, finishes the distribution of using video tape recorder automatically.
(2) quality of 2 pairs of digital video signals of gathering of signal supervisory instrument detects, and the signal quality testing result is deposited in the database.
Guarantee that by triggering conditioning unit 4 clock of the digital video signal of video recorders output and signal detecting and measuring apparatus is synchronous, finish the detection up to standard of quality of the sdi signal (digital video signal) of video tape recorder output, comprise and have or not colour bar, color field, Hei Chang, quiet frame etc., provide the testing result of gathering video, and deposit the result in database.Signal detecting and measuring apparatus is formed shared signal detecting and measuring apparatus cluster, finishes the distribution of using signal detecting and measuring apparatus automatically, and signal detecting and measuring apparatus is corresponding one by one with the SDI circuit of video tape recorder output.Two kinds of connected modes are arranged: the one, by the SDI distributor, 1 road SDI is distributed into 2 tunnel identical SDI outputs, the one tunnel connects video server, and one the tunnel connects signal detecting and measuring apparatus; The 2nd, video tape recorder output SDI is connected to the entrance of matrix, and signal detecting and measuring apparatus is connected to the outlet of matrix, by the switching of matrix, and the SDI UNICOM that makes the output of signal detecting and measuring apparatus and video tape recorder.
(3) document quality checkout gear 3 generates audio-video document according to digital video signal by video server, quality of signals in the audio-video document is detected, and the document quality testing result is deposited in the database.
Video tape recorder is connected with the SDI circuit of video server through matrix, finishes the switching controls of matrix automatically by selected video tape recorder and video server, makes selected video tape recorder and video server corresponding one by one.Video server transforms the generation audio-video document with the sdi signal of video tape recorder output, and detected by signal quality in 3 pairs of audio-video documents of document quality checkout gear, comprise having or not colour bar, color field, Hei Chang, quiet frame etc., provide the testing result of gathering video, and deposit the result in database.
Wherein, in the testing process of step (2) and step (3), if occur unusual in detecting, real time warning device 5 can send the Realtime Alerts signal, remind operating personnel whether to continue, invalid acquisition time after saving makes a mistake guarantees that the document quality that generates in the whole upload process meets the requirements.
(4) testing result display unit 6 shows signal quality testing result and document quality testing result.
The testing result of signal in the sdi signal testing result in step (2) and the step (3) and the document quality is shown, and demonstration and the playback of the audio-video document middle pitch video image of being gathered.As shown in Figure 3, to the signal detecting result of " Olympic Five Ring 15 seconds " material, comprising the detection of items such as Hei Chang, quiet frame.
(5) testing result demo plant 7 is verified signal quality testing result and document quality testing result according to the original audio frequency and video image of the video of gathering.
In the sdi signal testing result of step (2) and step (3) and document quality in the testing result of signal, every testing result all has corresponding index video frame number, can directly testing result directly be corresponded in the original audio frequency and video image according to index video frame number, will verify.
To sum up, the present invention solves in the prior art TV station, and that material is examined the time is long, and quality can not guarantee fully, relies on human eye to finish the material inspection, and the demand that produces.The present invention examines by using signal monitoring equipment and file skill, comes the technical quality of monitor signal and material file, replaces manually, and it is more accurate to detect, and can realize automatically, raises the efficiency.Native system has mainly been finished following target: 1. examines and uploads front signal (step (2)), and the result after the record detection, generate the related information report; 2. analyze video server recorded file quality (step (3)) automatically, and the result after the tracer signal detection, the related information report generated; 3. provide the batch material to examine, generate the related information report.The present invention is in conjunction with examining technology automatically, provides by automatic review of a film by the censor system, finish automatically, thus can examine the batch material, and can guarantee accuracy rate, convenient and swift.4. can report (testing result) according to association, carry out aggregation of data and analysis, generate block diagram, broken line graph, pie chart, and the critical data chart is filed, judge the compliance rate of a period of time material technology quality index.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technology thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. upload the signal quality monitoring method for one kind, it is characterized in that, may further comprise the steps:
(1) carries out collection and the storage of digital video according to the video acquisition task;
(2) quality to the digital video signal gathered detects, and the signal quality testing result is deposited in the database;
(3) generate audio-video document according to digital video signal by video server, quality of signals in the audio-video document is detected, and the document quality testing result is deposited in the database;
(4) show signal quality testing result and document quality testing result, and the demonstration of audio-video document and playback.
2. the signal quality monitoring method of uploading as claimed in claim 1, it is characterized in that: described method is further comprising the steps of:
According to the original audio frequency and video image of the video of gathering, signal quality testing result and document quality testing result are verified.
3. the signal quality monitoring method of uploading as claimed in claim 2 is characterized in that described verification method is as follows: according to the index video frame number in the testing result, testing result directly corresponded in the original video image verify.
4. as each described signal quality monitoring method of uploading in the claim 1～3, it is characterized in that: the collection of digital video described in the step (1) is finished by video tape recorder, and signal quality described in the step (2) detects and finished by signal detecting and measuring apparatus.
5. as each described signal quality monitoring method of uploading in the claim 1～3, it is characterized in that: before the collection of carrying out video, also comprise the data decomposition of video acquisition task and generate the step of different control commands in the step (1).
6. the signal quality monitoring method of uploading as claimed in claim 5 is characterized in that: the instruction that described control command comprises the action command of the action command of controlling video tape recorder, control signal detector and reads the audio-video document that video server generates automatically.
7. as each described signal quality monitoring method of uploading in the claim 1～3, it is characterized in that: comprise in the video acquisition task described in the step (1) video sign, title, type, starting position, end position, employed video tape recorder index, whether carry out that digital video signal detects automatically, testing result.
8. upload the signal quality monitoring system for one kind, comprise the video acquisition device (1) for collection and the storage of carrying out digital video according to the video acquisition task;
Be used for the quality of the digital video signal gathered is detected, signal detecting result is deposited into signal supervisory instrument (2) in the database;
Be used for generating audio-video document according to digital video signal by video server, quality of signals in the audio-video document is detected, and the document quality testing result is deposited into document quality checkout gear (3) in the database;
Be used for showing signal quality testing result and document quality testing result, and the testing result display unit (4) of the demonstration of audio-video document and playback.
9. the signal quality monitoring system of uploading as claimed in claim 8, it is characterized in that: described video acquisition device (1) comprises for the task resolution unit (11) of the video acquisition task being decomposed and generate different control commands; Be used for the video acquisition unit (12) that digital video is gathered; Digital video signal after being used for gathering outputs to the video output unit (13) of signal supervisory instrument output.
10. upload the signal quality monitoring system as claimed in claim 8 or 9, it is characterized in that: described system also comprises for the triggering conditioning unit (5) that guarantees that video output unit and signal supervisory instrument clock are synchronous.
11. upload the signal quality monitoring system as claimed in claim 8 or 9, it is characterized in that: described system also comprises when the testing result for signal supervisory instrument or document quality checkout gear is unusual, sends the real time warning device (6) of Realtime Alerts signal.
12. upload the signal quality monitoring system as claimed in claim 8 or 9, it is characterized in that: described system also comprises for the original audio frequency and video image according to the video of gathering, the testing result demo plant (7) that signal quality testing result and document quality testing result are verified.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104539455A CN103188515A (en) | 2011-12-30 | 2011-12-30 | Method and system of uploading signal quality monitoring |
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| CN2011104539455A CN103188515A (en) | 2011-12-30 | 2011-12-30 | Method and system of uploading signal quality monitoring |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201352839Y (en) * | 2008-12-22 | 2009-11-25 | 赵照 | Digital television monitoring platform based on multivariate multimedia gateway |
| CN102006499A (en) * | 2010-12-10 | 2011-04-06 | 北京中科大洋科技发展股份有限公司 | Method for detecting video and audio quality of digital television program file |
| CN102196225A (en) * | 2010-03-19 | 2011-09-21 | 北大方正集团有限公司 | Video collection playback system and method |
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- 2011-12-30 CN CN2011104539455A patent/CN103188515A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201352839Y (en) * | 2008-12-22 | 2009-11-25 | 赵照 | Digital television monitoring platform based on multivariate multimedia gateway |
| CN102196225A (en) * | 2010-03-19 | 2011-09-21 | 北大方正集团有限公司 | Video collection playback system and method |
| CN102006499A (en) * | 2010-12-10 | 2011-04-06 | 北京中科大洋科技发展股份有限公司 | Method for detecting video and audio quality of digital television program file |
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Owner name: XIN AOTE(BEIJING) VIDEO TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIDA FANGZHENG GROUP CO. LTD. Effective date: 20131104 Free format text: FORMER OWNER: BEIDA FANGZHENG ELECTRONICS CO., LTD., BEIJING Effective date: 20131104 |
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Effective date of registration: 20131104 Address after: Newauto Technology Building No. 49 Beijing 100080 Haidian District Wukesong Road Applicant after: China Digital Video (Beijing) Limited Address before: 100871 Beijing, Haidian District, into the mansion building, No. 298 Applicant before: Peking Founder Group Co., Ltd. Applicant before: Beida Fangzheng Electronics Co., Ltd., Beijing |
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Application publication date: 20130703 |