CN111901608A - Video program film examination system and method - Google Patents
Video program film examination system and method Download PDFInfo
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- CN111901608A CN111901608A CN202010599734.1A CN202010599734A CN111901608A CN 111901608 A CN111901608 A CN 111901608A CN 202010599734 A CN202010599734 A CN 202010599734A CN 111901608 A CN111901608 A CN 111901608A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention provides a video program film examination system and a method thereof, which relate to the technical field of film examination and comprise the following steps: the front-end editing module is used for editing the video programs by editing personnel and sending the edited video files to the audit; the film examination module is used for configuring a total resource number for the received video file; when at least one original video clip in the video file is not approved, problem data is configured for the original video clip and fed back to the front-end editing module; editing personnel modify the original video clip according to the problem data to obtain a modified video clip configured with the total resource number, and sending the modified video clip to be audited until the modified video clip is audited to be passed; and after the review of the modified video clip is passed, matching the video file according to the total resource number, and replacing the original video clip with the modified video clip to obtain a new video file so as to finish the review of the video program. The method has the advantages of effectively improving the production modification efficiency of the whole video program and improving the user experience.
Description
Technical Field
The invention relates to the technical field of film examination, in particular to a video program film examination system and a video program film examination method.
Background
With the wide application and the increasing development of computer technology in the field of broadcast television, the broadcasting of audio and video programs is taken as one of the products, and the service flow of a television station is changed. It is the last link of the television station business process and has the burden of playing quality and safety. The examination is used as an important part of program broadcasting, and the broadcasting quality is guaranteed. The method can accurately position black fields, blue matrixes, color stripes, mosaics and static frames which may appear in the broadcasting process of a program.
In the existing video program editing and reviewing process, the workload of video modification is increased by integrally modifying the long program, and the video program is still reviewed integrally after the modification is finished, so that the video program production modification efficiency is reduced. Meanwhile, the conventional video format conversion principle during film examination is to decode a video according to a video format coding specification and re-encode the video according to a target format coding specification, so that quality change is realized, the integral transcoding time is prolonged, and the video format conversion efficiency is reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a video program film examination system, which specifically comprises:
the front-end editing module is used for editing the video programs by editing personnel and sending the edited video files to the audit;
the film examination module is connected with the front end editing module, and the film examination module comprises:
the data configuration unit is used for receiving the video files to be audited and configuring a total resource number for the video files;
the video auditing unit is connected with the data configuration unit and is used for auditing the video file with the total resource number by an auditing person, configuring problem data for the original video fragment when at least one original video fragment in the video file cannot be audited, and feeding back the original video fragment configured with the total resource number and the problem data to the front-end editing module;
the front-end editing module is further used for the editor to modify the original video clip according to the problem data to obtain a modified video clip configured with the total resource number, and to review the modified video clip until the modified video clip is approved;
the film examination module further comprises:
and the video synthesis unit is connected with the video auditing unit and used for matching the video file according to the total resource number after the modified video clip is audited, and replacing the original video clip with the modified video clip to obtain a new video file so as to complete video program auditing.
Preferably, the question data includes an original video in-point, an original video out-point and an audit question description of the original video clip;
and the video synthesis unit replaces the original video clip with the modified video clip according to the original video in-point and the original video out-point.
Preferably, the front-end editing module further includes a content filling unit, which is used for the editor to perform content filling according to the question data after modifying the original video clip according to the question data, and to review the modified video clip configured with the total resource number and the content filling.
Preferably, the content filling comprises modifying the original video in-point into a new video in-point, and/or modifying the original video out-point into a new video out-point, and/or giving a modification description for the reviewing personnel to view.
Preferably, the front-end editing module further includes a content verification unit, connected to the content filling unit, and configured to verify the content filling, and send the modified video clip configured with the total resource number and the content filling to an audit after the content filling verification is passed, and give a first prompt message when the content filling verification fails, so as to prompt the editor to perform viewing processing.
Preferably, the content verification unit verifies the content filling by adopting a preset verification condition;
the preset checking conditions include:
the new video in-point is not larger than the original video in-point, and the new video out-point is not smaller than the original video out-point.
Preferably, the film examination module further comprises a configuration checking unit connected with the video checking unit and used for checking the rationality of the problem data, and when the problem data meet the preset rationality checking condition, the total resource number and the original video clip of the problem data are configured and returned to the front end editing module, and when the problem data do not meet the preset rationality checking condition, corresponding second prompt information is given to prompt the checking personnel to check and process.
Preferably, the film examination module further includes a transcoding unit, which is respectively connected to the video examining unit and the video synthesizing unit, and the transcoding unit includes:
the first transcoding subunit is configured to transcode the video file with the total resource number to obtain the video files with all preset code rates, and output the video files to the video auditing unit for subsequent auditing;
and the second transcoding subunit is used for transcoding the modified video segment to obtain the modified video segment with all the preset code rates, and outputting the modified video segment with all the preset code rates to the video synthesizing unit for subsequent replacement.
Preferably, the preset code rate includes a low code rate, a medium code rate and a play-out code rate.
A video program reviewing method applied to any one of the video program reviewing systems, the video program reviewing method comprising:
step S1, the editor edits the video program through the front-end editing module and sends the edited video file to an audit;
step S2, the examination module receives the video file to be examined and allocates a total resource number to the video file;
step S3, the auditor audits the video file with the total resource number through the auditing module, configures problem data for the video clip when at least one original video clip in the video file cannot be audited, and feeds back the original video clip configured with the total resource number and the problem data to the front-end editing module;
step S4, the editor modifies the original video clip according to the problem data through the front-end editing module to obtain a modified video clip configured with the total resource number, and the modified video clip is sent to be audited until the modified video clip is audited to be passed;
and step S5, after the review of the modified video clip is passed, the review module matches the video file according to the total resource number, and replaces the original video clip with the modified video clip to obtain a new video file, so as to complete the review of the video program.
The technical scheme has the following advantages or beneficial effects: by modifying the local segments of the long program, the production modification efficiency of the whole video program is effectively improved, and the user experience is improved.
Drawings
FIG. 1 is a block diagram of a video program censoring system according to a preferred embodiment of the present invention;
fig. 2 is a flowchart illustrating a video program reviewing method according to a preferred embodiment of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present invention is not limited to the embodiment, and other embodiments may be included in the scope of the present invention as long as the gist of the present invention is satisfied.
In a preferred embodiment of the present invention, based on the above problems in the prior art, there is provided a video program reviewing system, as shown in fig. 1, specifically including:
the front-end editing module 1 is used for editing video programs by editing personnel and sending the edited video files to the audit;
the data configuration unit 21 is used for receiving the video files to be audited and configuring a total resource number for the video files;
the video auditing unit 22 is connected with the data configuration unit 21 and is used for auditing the video file with the total resource number by auditors, configuring problem data for the original video fragment when at least one original video fragment in the video file cannot be audited, and feeding back the original video fragment configured with the total resource number and the problem data to the front-end editing module;
the front-end editing module 1 is further configured to modify the original video clip by an editor according to the problem data to obtain a modified video clip configured with the total resource number, and send the modified video clip to an audit until the modified video clip passes the audit;
the film examination module 2 further comprises:
and the video synthesizing unit 23 is connected with the video auditing unit 22 and is used for matching the video file according to the total resource number after the modified video clip is audited, and replacing the original video clip with the modified video clip to obtain a new video file so as to complete video program auditing.
Specifically, in this embodiment, in the video program reviewing system of the present invention, the reviewing module 2 mainly completes the configuration of the video segments with problems and the transcoding and synthesizing work, and preferably adopts a B/S structure, which specifically includes a WEB server, a management station, and a workstation. The WEB server receives a video file submitted by a user and a conversion format requirement, and transmits the video file and the conversion format requirement to a management station; the management station obtains the number of the segmentation blocks and the IP address of the workstation for processing the corresponding task through certain processing, and transmits the information to the workstation; and after the video is divided, transcoded and combined on the workstation, uploading the newly generated file to a WEB server for downloading and use by a user. According to the working principle of video transcoding, a unified operation description and a standard interface for communication among all layers are formulated, video segments are divided, transcoded and combined, a frame structure and function division of a workstation are constructed, the parallel processing capability of the workstation is exerted, and the efficiency of system video format conversion is improved; the system adopts a fault-tolerant mechanism to process video transmission failure and operation failure, and different processing modes are respectively made; the existing parallel processing capacity of the workstation is utilized, and the transcoding of the video is carried out at the same time, so that the whole transcoding time is saved. In other words, the WEB server is at a user level and is used for a user to perform film examination operation, the management station and the workstations are at a background level, the operation instruction of the user is subjected to task allocation by the management station, and finally, each workstation finishes obtaining a new video file and uploads the new video file to the WEB server through the management station for the user to download and use.
Further specifically, the film examination module 2 preferably provides a front-end system interface through a WEB server to be compatible with the front-end editing module 1 with different editing environments, the front-end editing module 1 sends the obtained and edited video file into the film examination module 2, the film examination module 2 configures a total resource number for the video file as an identity, and the film examination module 2 performs transcoding processing on the video file to meet different requirements of film examination network environments, such as different network environment requirements of in-platform film examination, remote film examination or mobile terminal film examination, and different code rates are required.
After the review module 2 reviews the video file, the original video segment in the video file is a problem segment, and when the original video segment is required to be returned for modification, the original video segment configured with the total resource number and the problem data is returned to the front-end editing module 1 for modification, wherein the problem data includes but is not limited to an original video in-point, an original video out-point and review problem description of the original video segment; preferably, the validity of the parameters is ensured by predefining a data structure, a data type, a legal value range and related rationality check of the parameters, wherein the validity comprises that an original video in point and an original video out point of each original video file do not coincide when a plurality of original video clips need to be played back.
The editor modifies the returned original video clip through the front-end editing module 1, specifically performs targeted modification according to the audit problem description, or performs appropriate adjustment on the original video in-point and the original video out-point of the original video clip, fills the corresponding modification description, and returns the modified description to the film examination module 2 for secondary audit, and if the secondary audit is not passed, the returned modification process is repeatedly executed, and so on. If the review is passed, the review module 2 matches the corresponding original video file according to the total resource number of the modified video segment, synthesizes a new video file according to a modified video entry point and a modified video exit point of the modified video segment, completes the review of the video program, then sends the new video file into a broadcasting sending flow, and executes subsequent flow nodes, such as internal review, technical review, broadcasting sending, filing and the like. Specifically, when the modified video clip is transmitted back to the reviewing module 2 for the first time, the reviewing module 2 preferably configures a sub-resource number for the modified video clip so as to perform segmented resource warehousing, and defines and gives a pointer so that a plurality of segments can be conveniently warehoused in one resource and can be quickly retrieved and reconstructed through the index; in other words, the modified video segments of a plurality of sub-resource numbers belonging to the same total resource number are stored in the same total resource number, and the metadata storage and the content file migration are preferably performed by adopting the add method of the resource class library.
The modified video in-point is not larger than the original video in-point, and the modified video out-point is not smaller than the original video out-point, so that the integrity of a new video file after the synthesis of a subsequent video file is ensured. The new video file has at least four code rates, one is the code rate of the original video file, the new video file is filed and stored after film examination, the other is high code rate and is sent to a broadcasting process for use, and the two are respectively low code rate and medium code rate for film examination preview and viewing. Specifically, the video segment transcoding is modified to obtain segment video files with multiple code rates, all the segment video files are connected to the main body resource, and pointers are defined and given so as to be capable of being quickly retrieved and reconstructed through the indexes.
Further, the front-end editing module needs to provide the association relationship between the modified segment and the original program: the incidence relation can be material ID, standby broadcast task ID and program code; the examination module needs to provide a transcoding-synthesizing process for the fragment material, trigger the original broadcasting process to continue, and transcode and synthesize the low code, the medium code and the broadcasting code rate of the fragment; the front end editing module acquires task information (task id, program code and the like) of the film examination module through an interface, completes the incidence relation between the problem segment and the original program, submits the modified mxf packaging format segment through restAPI, handles the process to the application film examination module to be put in storage, provides a new segment storage process aiming at the segment, transfers various program files with required code rate to the segment, synthesizes the program files with the original corresponding code rate files, and finally triggers the original process to continue to carry out subsequent nodes through a certain state identifier, such as: internal examination, technical examination, broadcasting, filing and the like.
The modification information of the returned file in the examination module can be input into the examination opinions or can be used for informing the examination opinions for a telephone, the front-end editing module carries out segment modification according to the modification information (frame precision dotting) of the examination opinions and segment packaging, the non-edited segment file and the standby broadcast task id in the CRE system are associated through the returned task information in CRE standby broadcast application acquired from the manufacturing system, the segment file, the segment in-out point information and the standby broadcast task id are transmitted to the CRE through a resource/add interface of the examination module, and the CRE system finds the source file and the program code corresponding to the standby broadcast task through the standby broadcast task id. The distributed transcoding cluster binds the program codes and initiates a flow again by covering and synthesizing a new file according to the entry point information. The operation environment of the film examination module is preferably Windows software.
In a preferred embodiment of the present invention, the problem data includes an original video in-point, an original video out-point and an audit problem description of an original video clip;
the video composition unit 23 replaces the original video clip with the modified video clip according to the original video in-point and the original video out-point.
In a preferred embodiment of the present invention, the front-end editing module 1 further includes a content filling unit 11, which is used for editing personnel to perform content filling according to the question data after modifying the original video clip according to the question data, and to send the modified video clip configured with the total resource number and the content filling to the review.
In a preferred embodiment of the present invention, the content filling comprises modifying the original video in-point to a new video in-point, and/or modifying the original video out-point to a new video out-point, and/or giving a modification description for a reviewing person to view.
In a preferred embodiment of the present invention, the front-end editing module 1 further includes a content verification unit 12 connected to the content filling unit 11, and configured to verify content filling, and after the content filling verification is passed, to send the modified video clip configured with the total resource number and the content filling to an audit, and when the content filling verification fails, to give a first prompt message to prompt an editor to perform viewing processing.
In a preferred embodiment of the present invention, the content verification unit verifies the content padding by using a preset verification condition;
the preset checking conditions include:
the new video in-point is not larger than the original video in-point, and the new video out-point is not smaller than the original video out-point.
In a preferred embodiment of the present invention, the reviewing module 2 further includes a configuration checking unit 24 connected to the video reviewing unit 23, and configured to perform rationality checking on the problem data, and when the problem data meets a preset rationality checking condition, return the original video clip configured with the total resource number and the problem data to the front-end editing module, and when the problem data does not meet the preset rationality checking condition, provide corresponding second prompt information to prompt a reviewing person to perform reviewing processing.
In a preferred embodiment of the present invention, the film examination module 2 further includes a transcoding unit 25, which is respectively connected to the video examining unit 22 and the video synthesizing unit 23, and the transcoding unit 25 includes:
the first transcoding subunit 251 is configured to transcode the video file with the total resource number to obtain video files with all preset code rates, and output the video files to the video auditing unit for subsequent auditing;
and a second transcoding subunit 252, configured to transcode the modified video segment to obtain modified video segments with all preset code rates, and output the modified video segments to the video synthesizing unit for subsequent replacement.
In a preferred embodiment of the present invention, the preset code rate includes a low code rate, a medium code rate and a play-out code rate.
A video program reviewing method applied to a video program reviewing system according to any one of the above items, as shown in fig. 2, the video program reviewing method includes:
step S1, editing the video program by the editor through the front-end editing module, and sending the edited video file to the examination;
step S2, the examination module receives the video file to be examined and allocates a total resource number to the video file;
step S3, auditors audit the video files with the total resource numbers through the auditing module, and when at least one original video segment in the video files cannot be audited, problem data are configured to the video segments, and the original video segments configured with the total resource numbers and the problem data are fed back to the front-end editing module;
step S4, the editor modifies the original video clip according to the problem data through the front-end editing module to obtain a modified video clip configured with the total resource number, and the modified video clip is sent to be audited until the modified video clip is audited to be passed;
and step S5, after the review of the modified video clip is passed, the review module matches the video file according to the total resource number, and replaces the original video clip with the modified video clip to obtain a new video file so as to complete the review of the video program.
As a preferred embodiment of the present invention, a back-hit modified interface data structure and a back-hit data interface of the film examination module 2 are first constructed, data interaction with the front-end editing module is realized through the back-hit modified interface data structure, document information after fragment packaging is transmitted through the back-hit data interface, and the synthesis with an original document of an original back-hit standby broadcast task, the binding of program codes and a standby broadcast flow are realized by the CRE.
The film examination system needs to be transmitted to an editing system through an interface:
and (3) returning the task name: providing a List in non-editing work, mainly showing the returned standby broadcast task, and allowing a non-editing user to establish an association relationship between the modified segment file and the returned standby broadcast task in a manufacturing system;
and (5) returning task id: and the back spare broadcast task name is in a binding relationship with the back spare broadcast task name, after a user establishes an association relationship between the modified segment file and the back spare broadcast task name, the segment file, the back spare broadcast task name and the back spare broadcast task id are bound by the background, so that the source file and the corresponding program code thereof can be found through the back spare broadcast task id when the segment file is put into a film examination system.
The non-programming needs to be transferred to the CRE system through an interface:
fragment files: a modified clip file;
ingress and egress point information of the segment file on the source file: by the information, when the distributed transcoding cluster is synthesized in the film examination system, the frame precision synthesis of the segment file and the source file can be realized;
specifically, a user packages the whole program after making the program from an editing system and uploads the program to a film examination system through a Launcher module, and the user binds a program code through a resource management application of a CRE system and initiates transmission and broadcasting in a standby broadcasting application; the transcoded program enters a first examination stage, a second examination stage and a third examination stage of examination, if the examination is passed, the program is technically examined, and the program is broadcast-finished after the technical examination is passed; if the examination is not passed, the examination system fills in examination opinions, a standby broadcast task is returned, the editing system performs local modification and local packaging on the program according to the examination opinions, the program is put into a CRE through an interface, fragment synthesis is performed, and a new process example is initiated, wherein the process example comprises the following steps:
the transcoding cluster synthesizes the segment resources into the original program resources according to the access point information transmitted by the editing system and transcodes again; automatically binding the original program codes after transcoding is finished; initiating a broadcast sending process; and so on.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A video program film examination system is characterized by specifically comprising:
the front-end editing module is used for editing the video programs by editing personnel and sending the edited video files to the audit;
the film examination module is connected with the front end editing module, and the film examination module comprises:
the data configuration unit is used for receiving the video files to be audited and configuring a total resource number for the video files;
the video auditing unit is connected with the data configuration unit and is used for auditing the video file with the total resource number by an auditing person, configuring problem data for the original video fragment when at least one original video fragment in the video file cannot be audited, and feeding back the original video fragment configured with the total resource number and the problem data to the front-end editing module;
the front-end editing module is further used for the editor to modify the original video clip according to the problem data to obtain a modified video clip configured with the total resource number, and to review the modified video clip until the modified video clip is approved;
the film examination module further comprises:
and the video synthesis unit is connected with the video auditing unit and used for matching the video file according to the total resource number after the modified video clip is audited, and replacing the original video clip with the modified video clip to obtain a new video file so as to complete video program auditing.
2. The video program review system of claim 1, wherein the problem data includes an original video in-point, an original video out-point, and a review problem description for the original video clip;
and the video synthesis unit replaces the original video clip with the modified video clip according to the original video in-point and the original video out-point.
3. The video program reviewing system of claim 2, wherein said front-end editing module further comprises a content filling unit, for said editor to fill content according to said problem data after modifying said original video clip according to said problem data, and to review said modified video clip configured with said total resource number and said content filling.
4. The video program review system of claim 3, wherein the content augmentation includes modifying the original video in-point to a new video in-point, and/or modifying the original video out-point to a new video out-point, and/or giving a modification description for viewing by the reviewer.
5. The video program reviewing system of claim 4, wherein the front-end editing module further comprises a content verifying unit, connected to the content filling unit, for verifying the content filling, reviewing the modified video clips configured with the total resource number and the content filling after the content filling verification is passed, and giving a first prompt message to prompt the editor to perform the viewing process when the content filling verification fails.
6. The video program review system of claim 5, wherein the content verification unit verifies the content fill using a preset verification condition;
the preset checking conditions include:
the new video in-point is not larger than the original video in-point, and the new video out-point is not smaller than the original video out-point.
7. The video program reviewing system of claim 1, wherein the reviewing module further comprises a configuration checking unit connected to the video reviewing unit, configured to check reasonableness of the problem data, and when the problem data meets a preset reasonableness checking condition, the original video clip configured with the total resource number and the problem data is returned to the front end editing module, and when the problem data does not meet the preset reasonableness checking condition, corresponding second prompt information is given to prompt the reviewer to view and process the original video clip.
8. The video program review system of claim 1, wherein the review module further comprises a transcoding unit, respectively connected to the video review unit and the video composition unit, the transcoding unit comprising:
the first transcoding subunit is configured to transcode the video file with the total resource number to obtain the video files with all preset code rates, and output the video files to the video auditing unit for subsequent auditing;
and the second transcoding subunit is used for transcoding the modified video segment to obtain the modified video segment with all the preset code rates, and outputting the modified video segment with all the preset code rates to the video synthesizing unit for subsequent replacement.
9. The video program reviewing system of claim 8, wherein said predetermined bitrate comprises a low bitrate, a medium bitrate, and a playout bitrate.
10. A video program review method applied to the video program review system according to any one of claims 1-9, the video program review method comprising:
step S1, the editor edits the video program through the front-end editing module and sends the edited video file to an audit;
step S2, the examination module receives the video file to be examined and allocates a total resource number to the video file;
step S3, the auditor audits the video file with the total resource number through the auditing module, configures problem data for the video clip when at least one original video clip in the video file cannot be audited, and feeds back the original video clip configured with the total resource number and the problem data to the front-end editing module;
step S4, the editor modifies the original video clip according to the problem data through the front-end editing module to obtain a modified video clip configured with the total resource number, and the modified video clip is sent to be audited until the modified video clip is audited to be passed;
and step S5, after the review of the modified video clip is passed, the review module matches the video file according to the total resource number, and replaces the original video clip with the modified video clip to obtain a new video file, so as to complete the review of the video program.
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| CN113411619A (en) * | 2021-04-30 | 2021-09-17 | 成都东方盛行电子有限责任公司 | Non-programming streaming media film examination method in field of broadcast television |
| CN113435414A (en) * | 2021-07-30 | 2021-09-24 | 北京睿芯高通量科技有限公司 | Video content auditing system, method and device |
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