CN105376590B - Multithreading whole process towards full media cooperates with high definition post-production system and its method - Google Patents
Multithreading whole process towards full media cooperates with high definition post-production system and its method Download PDFInfo
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- CN105376590B CN105376590B CN201510807800.9A CN201510807800A CN105376590B CN 105376590 B CN105376590 B CN 105376590B CN 201510807800 A CN201510807800 A CN 201510807800A CN 105376590 B CN105376590 B CN 105376590B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
Abstract
The present invention relates to high definition television production fields more particularly to a kind of multithreading whole process towards full media to cooperate with high definition post-production system and its method.The system includes centralized storage platform, hard core control platform and infrastructure network platform；Centralized storage platform has selected the Unity ISIS systems of Avid as core memory portion；Hard core control platform is made of job engine server, media lookup service device, domain control server；Infrastructure network platform includes core switch, high definition makes work station, high definition 3D makes work station, high definition 3D tonings make work station, import work station and network management workstation, core switch uses two 10,000,000,000 interchangers of Cisco Catalyst 4948E, and two interchangers are connect respectively by 10,000,000,000 mouthfuls with Unity ISIS systems；Other work stations are directly connect by gigabit Ethernet network by interchanger with Unity ISIS systems.The system is the high-end platform for making of networking, to realize resource-sharing, multiple-person cooperative work, to improve whole producing efficiency.
Description
Technical field
It is cooperateed with the present invention relates to high definition television production field more particularly to a kind of multithreading whole process towards full media high
Clear post-production system and its method.
Background technology
It is within 2012 the First Year of national " 12th Five-Year Plan " plan, particularly in broadcast television industry, with 2008 Olympic Games
Past, " digital high-definition " also increasingly becomes China's broadcast television industry unit and the research topic of producer's the supreme arrogance of a person with great power.Exhibition
It hopes 2012, radio, TV and film industries will be in the specific implementation for promoting the use expansion and seizing the hour around " digital high-definition, digital broadcast and control "
Work.
Although the proposition of HDTV Technology concept only short several years, it grows up simultaneously with surprising rapidity
It is gone out from laboratory, at present the HD products of existing shiploads of merchandise and application, HD is to SD（Single-definition）Change
It is trend of the times.In the near future, as HD technologies and improving for standard are competed with more multi-vendor add in, HD products are popularized
Making and broadcast with the HD programs of completion are at hand.Be exactly it is present, HD from us be also no longer it is out of reach, 2005
The Chinese Central Television (CCTV) has built up domestic first high definition making and media asset management system network, some economic strengths are strongerly
The TV station on the square TV station such as ground such as Beijing, Shanghai, Hunan and Shenzhen has also partly bought the program making equipment of HD.Cause
This, carrying out research to the technology and equipment of HD early has its necessity.
It is heavy meanwhile as broadcasting and TV digitize, the development of networking, media content and data are in geometry digital extended
Cooperative cooperating between workload demand staff is increasingly urgent, needs and the unit work of the cooperative cooperating between staff
Contradiction between work is increasingly apparent, and in addition material is shared in programming process and also becomes more and more important, in such case
Under, networking, which makes, comes into being.Networking non-linear editing can smoothly complete the acquisition of material and program, transmission receives,
Collaborative editing and material are shared, thus network editing becomes a main trend of structure modernization Digital Television video system.
The news of TV programme and post-production are under digital video technology promotion, the positive process for undergoing high speed development.Respectively
The new software and hardware product of kind continuously emerges, and handle is gone back in applying while the quality and speed for making, packing, synthesizing for new technology
Individual video work station, which combines, to be formed staff more than one and can cooperate simultaneously, shared making packaging network
Powerful resource, therefore greatly improve working efficiency.
Invention content
It is an object of the present invention to provide a kind of multithreading whole process collaboration high definition post-production systems towards full media
System, which is the high-end platform for making of networking, to realize resource-sharing, multiple-person cooperative work, to improve whole making
Efficiency.Another object of the present invention is to provide the method using above-mentioned system.
In order to realize the first above-mentioned purpose, present invention employs following technical solutions：
Towards full media multithreading whole process cooperate with high definition post-production system, the system include centralized storage platform,
Hard core control platform and infrastructure network platform；The centralized storage platform has selected the Unity ISIS systems of Avid to make
For core memory portion；The hard core control platform is connect with Unity ISIS systems, by job engine server
（Interplay Engine）, media lookup service device（Interplay Media Indexer）, domain control server
（Interplay Lookup Server）Composition completes the management of AVID Interplay systems；The infrastructure network platform
Using star Ethernet structure, work station is made including core switch, high definition, high definition 3D makes work station, high definition 3D tune
Color makes work station, imports work station and network management workstation, and wherein core switch uses two Cisco Catalyst
10,000,000,000 interchangers of 4948E, two 10,000,000,000 interchangers of Cisco Catalyst 4948E pass through 10,000,000,000 mouthfuls and Unity respectively
ISIS systems are connected, and high definition makes work station, high definition 3D makes work station, high definition 3D tonings make work station and webmaster work
It stands erectly and connected gigabit Ethernet network and pass through 10,000,000,000 interchangers of Cisco Catalyst 4948E and Unity ISIS systems
Connection.
The present invention designs the work(such as a collection signal acquisition, making, storage and management as a result of above-mentioned technical solution
The high-end making business platform of high definition that can be integrated.The HDTV program production that the construction of the system will undertake each column of group, power
It strives and improves program quality and collaboration efficiency, be Zhejiang Satellite TV trump column《The good sound of China》Post-production provide it is state-of-the-art
Equipment, network system and HDTV program production means establish technical foundation.System reasonable design, structure are reliable；Redundancy backup, peace
Full isolation；Self-checking alarming is met an urgent need complete；Multi-format, multi-standard, multimedia making are supported extensively, and system is scalable, expansible；
System entirety easy care restores quick.From the safety of technology, reliability and advanced consideration, with AVID Unity ISIS
Network architecture technology and product be core, design this high definition make net solution.The network positions in《The good sound of China
Sound》The high definition variety column that multichannels are recorded is waited to carry out high-end post-production and packaging.It is deposited using AVID high definitions advanced in the world
Storage system（ISIS 7000）Media storage systems as this high definition project.Select InterPlay nonlinear operation streaming systems
The workflow core of network system is made as AVID high definitions, and soft by third company's subtitle of the offer based on AVID platforms
Part, rear end make management system and the interface service with other third party systems.Select non-volume Media Composer conducts
The non-volume software of high definition later stage program, it support DNxHR, DNxHD, AVC-Intra, DVCPRO HD, XDCAM HD, HDV,
MPEG1, MPEG2, MPEG4, H.264, a variety of high standard definition forms such as H.265.And eventually realize the Zhejiang with building
River radio and television group full court net docking, so that AVID, which makes the produced program of net, to realize file with broadcast, matchmaker's money
Change the interaction of rank.
In order to realize the second above-mentioned purpose, present invention employs following technical solutions：
Multithreading whole process towards full media cooperates with high definition post-production processes, and this method uses above-mentioned system, packet
Include following part：
1）Video and audio collaboration standard based on dynamic link
Fine pruning, special efficacy and a series of other relevant creation of video of video section are completed by non-volume work station；By sound
Frequency work station completes adding, being all kinds of for more rail sound material synchro edits of audio-frequency unit, sound field processing, various audios and dynamic effect
The polishing beautification and the relevant creation of other audios of audio material；And when carrying out video and audio collaborative work, all non-volume works
It stands and material that audio workstation calls is always in shared storage, put material without any transcoding, the action replicated
Put unit local so that all videos and audio workstation are all added to huge video and audio and cooperate in network system
In environment, the making of arbitrary segment in program making is supported with the working form of dynamic link so that one grade of material magnanimity
Program easily resolves into several segments and is carried out at the same time making very much, and the segment respectively completed is again by a subsidiary download interface
The editing station of equipment integrate and downloads in real time, exports；
2）Media cloud platform based on B/S structures
Media cloud platform is the software based on B/S structures, is installed in mobile phone, tablet computer, removable computer, passes through
Internet and browser realize examining, edit, annotating work for remote tv program；As long as pacify on the computer of system client
Equipped with browser, user open client-side program where the page and file a request, long-range Web server receive user please
Corresponding response will be made by asking；Store the data of Web server needs, browser, Web server in database server
And database server together constitutes one three layers of application system；
Media cloud platform background server mounts simultaneously with Unity ISIS systems and program production management system, leads to
The outer net access safety control system of high security is crossed, the material and project file of any Intranet of real time access, intelligence is according to this
Ground network speed carries out previewing programs real-time coding processing, and the material of playback uses uncommon sequence frame form；
3）Cross type multithreading task distribution system
Multithreading, multitask flattening management by synchronization are employed, comprehensive process section is carried out to each making node
Point management and control, when each issue of program starts from, unified plan and all related resources of integration, the unit including various functions are shared
Store path and capacity, flow nodes merge position, process status monitoring, and all related softwares and hardware are included in flow pipe
The resource allocation pond of reason system；Task scheduling is by task interface serviced component, task scheduling server, task performer and task
Management service component forms；Task data exchange agreement uses the data flow of XML definition mode, and based on socket communication patterns
Carry out data exchange；Task interface serviced component is responsible for providing the Web Services interface services of operation task；Task management
Serviced component provides one to the user by Web mode management and the approach of monitor task executive condition；Task scheduling server
It is the core processing layer of task subsystem with task performer, dispatch server receives external various networks by socket and appoints
Business, and be distributed in task performer, the execution work of task is completed by task performer；
4）Network system management tool pond
Network system management tool pond includes media asset management module, user management module, memory management module, equipment management
Module, log management module；The application system on ldap server, XSAN servers is established in network system management tool pond
Management software realizes the management based on workflow and backstage resource United Dispatching；The network system management tool pond include with
Under part：
Interface one：Workflow defining interface provides one kind to the user visually, practical business is modeled
AVID, and generate the formalized description the being subsequently can by computer i.e. flow definition of business procedure；
Interface two：Workflow Client application interface, it provides the user with a kind of means, with processing procedure case operational process
Middle the needing manual intervention of the task；The minimum working cell of each task is thus referred to as a work item；Workflow Management System
A work item list is safeguarded for each user, it represents all tasks that the user is currently needed to handle；
Interface three：Workflow call application interface, refer to Workflow enactment service in the process of running, calling, to right
The program handled using data；The details of this application program are included in process defines；
Interface four：Workflow engine Cooperative Interface, in large-scale distributed Workflow Management System, workflow needs
Multiple workflow engines are completed jointly or even the Workflow enactment service that needs other heterogeneous assists completing, this interface is not
Cooperation between same Workflow Management System provides a kind of standard；
Interface five：Management and monitoring interface, function are that the state of case in Workflow Management System is monitored and managed
Reason；
Workflow engine：It is the core of Workflow Management System, process, scheduling and the monitoring process that initialization model describes
In each task execution；
5）The asynchronous cooperation mechanism of surround sound technological process
Video clipping, music audio mixing and surround sound based on musical portions see the synchronous progress of effect；Video clipping uses monophone
Road carries out preliminary shearing with reference to music and with reference to effect is seen；Same time surround sound music audio mixing independently carries out；Ring based on musical portions
Effect is seen around sound to be premixed in advance using the multichannel point of rail information in audio workstation, treats that premix completion will be with project file side
Formula is pushed to surround sound Zhong Hun groups；
Treat that video preliminary shearing is completed, the video clip information based on AAF project files pushed at dialogue audio mixing, is carried out pair
The editor of white tone frequency and arrangement；It treats that the arrangement of dialogue audio finishes, replaces the related audio in video preliminary shearing with it；
Treat video fine pruning complete, push again the video fine pruning information based on same AAF project files to dialogue editor,
Surround sound based on image section sees effect premix surround sound Zhong Hunsange groups；Dialogue editor group will be according to video at this time
Fine pruning information arranges dialogue material again, waits that information is pushed to by dialogue editor group in a manner of project file after the completion of arranging
Surround sound Zhong Hun groups；At the same time, surround sound based on image section is seen effect premix and is also carried out synchronous, treat its complete also with
Project file mode is pushed to surround sound Zhong Hun groups；So far, surround sound Zhong Hun groups have obtained whole audio mixing elements
Material carries out final dubbing work.
The present invention provide the user the video and audio sumptuous meal of a abnormal type by above method.Be association of activity and inertia, the depth it is mutual
Benefit, full-time online, instantaneous transmission, real time terminal, interaction linkage.
Description of the drawings
Fig. 1 is the new system framework figure of the present invention.
Fig. 2 is that the video and audio based on dynamic link cooperates with standard schematic diagram.
Fig. 3 is the schematic diagram of the media cloud platform based on B/S structures.
Fig. 4 is cross type multithreading task distribution system transverse direction multithread mode schematic diagram.
Fig. 5 is cross type multithreading task distribution system task scheduling schematic diagram.
Fig. 6 is the structure diagram in network system management tool pond.
Specific embodiment
Multithreading whole process towards full media as shown in Figure 1 cooperates with high definition post-production system, during which includes
Entreat storage platform, hard core control platform and infrastructure network platform；The centralized storage platform has selected the Unity of Avid
ISIS systems are as core memory portion；The hard core control platform is connect with Unity ISIS systems, by job engine
Server（Interplay Engine）, media lookup service device（Interplay Media Indexer）, domain control server
（Interplay Lookup Server）Composition completes the management of AVID Interplay systems；The infrastructure network platform
Using star Ethernet structure, work station is made including core switch, high definition, high definition 3D makes work station, high definition 3D tune
Color makes work station, imports work station and network management workstation, and wherein core switch uses two Cisco Catalyst
10,000,000,000 interchangers of 4948E, two 10,000,000,000 interchangers of Cisco Catalyst 4948E pass through 10,000,000,000 mouthfuls and Unity respectively
ISIS systems high definition makes work station, high definition 3D makes work station, high definition 3D tonings make work station and network management workstation is direct
It is connect by gigabit Ethernet network by 10,000,000,000 interchangers of Cisco Catalyst 4948E with Unity ISIS systems.
1.1 centralized storage platforms
In the present solution, having selected the Unity ISIS systems of Avid as core memory portion.ISIS is
Avid Technology Co., Ltd. input huge fund, after 3 years research and develop and 1 year full configuration testing, aim at large scale digital media produce institute
The storage system of design, each module carry blade type cpu system, and 16 dual harddisk drives are configured, and single ISIS storages are single
First memory capacity is 64TB, this 3 storage unit of configuration can provide 192TB memory spaces, and entire ISIS systems carry simultaneously
For the interconnection of up to 12 ISIS units, the centralized storage for being for up to 768TB is realized.Each ISIS storage units have independent
The output bandwidth (1.92Gbps) of 400MB/sec, 12 ISIS storage units interconnection, can provide up to 4800MB/sec
Bandwidth, while support 330 road real time clients.
On the network link, ISIS storage units are integrated with high performance, the ethernet port of standard, each for linking
Editor's/manuscript/of kind requirement includes website, and provide the interchanger extended capability of 10Gbit, and port number is:2
10000000000 ether interfaces and 16 gigabit ether interfaces.
1.2 hard core control platforms
Hard core control platform is by Interplay Engine job engines server, Interplay Media Indexer
Media lookup service device, Interplay Lookup Server domains control server composition, it is main to complete AVID Interplay systems
The management of system.
Avid InterplayTM systems.The system controls complete Content Management, workflow automation and safety
Performance processed is all dissolved into an open system, and the post-production and broadcasting organization for different scales provide wide workflow
Journey.Avid Interplay can realize opening between all shared resources, task and network system under the environment of safety
Putting property accesses and cooperation.In this way, the various obstacles in former production process are just cleared away.It makes everyone in production process
The benefit of Avid Interplay can be experienced, including producer, graph image artist, sub-editor teacher, IT management
Member, author and plot plate artist, video and audio editing, director, archivist's, even law and Finance Department
Personnel.
Avid Interplay have powerful media management, content management tools and centralized management function, comprising
Innovation, making and business overall process, are suitable for the different post-production of specification and broadcast environment.Importantly, Avid
Interplay can combine all kinds of personnel, such as:Reporter, producer, art designing, sub-editor, author, storyboard teacher, video
With audio editing, director, registry officer, even law and Finance Department, newest media asset can be accessed when needed
With information.
Flexile component, user instrument and network group can be configured in Avid Interplay systems, with certainly
The daily making task of dynamic processing, tracking revision, streamlining management, shorten fabrication cycle, including pre-production to being eventually submitted to
Each step of filing.Can by newest NewsCutter, Media Composer, iNEWS Instinct and
Symphony is directly accessed.Avid Interplay provide the integrated media supported by first global nonlinear operation stream engine
The management of making.
1.3 infrastructure network platform
Whole network uses star Ethernet structure, and wherein core switch uses two Cisco Catalyst
10,000,000,000 interchangers of 4948E, while by connecting 10,000,000,000 mouthfuls on Unity ISIS, realize Expansion and remote non-volume website
Extension.It migrates, upload, fine works, dubbing website, directly being connected by gigabit Ethernet network and Unity ISIS central storage systems
It connects.
Meanwhile network system is divided into two VLAN, in system groundwork station, server, be respectively coupled to two
A VLAN, and the website for being connected to Unity ISIS is distributed equally as far as possible, equipment, chain are ensured from network structure
The safety on road and the safety of total system.
2 business diagnosis
This program production platform edits work including 2 Media Composer Nitris DX with 3D Module
It stands, 1 Symphony toning work station and 10 MediaComposer Nitris DX editings stations compositions, it is main complete
Into the comprehensive program of high definition making, it can be achieved that 3D programs making demand and have certain toning function.
Simultaneously in order to ensure the efficiency of HDTV program production, every editing station is made all to ensure sufficient bandwidth, configuration
13 external storages of ProMac Istorage, the SATA hard disc of 8 pieces of 3TB of every storage configuration, ProMac Istorage can
Bandwidth not less than 600MB/S is provided.
The extension of 2.1 future services
The design of this subsystem is additionally contemplates that high definition makes network in following expanded application, including make network management and with
The docking of other operation systems, the part of extension provide the common application support of bottom and connecing externally for the entire workspace that makes
Oral business.
System future can make network upgrade by simple Avid and make net+making Network Management System to by Avid
Working method.Wherein Avid make subsystem completion system in editing saving, packaging, browsing, Special effect mixing, dub, subtitle
The work such as making；With the making Network Management System of third company cooperative development then the production process management in completion system,
The work such as user management, rights management, material management, storage management, resource management, log management.The two is fitted close, collaboration
Work forms an integrated editing network system.
The platform that interconnects is disposed, mainly completes the production business information and media between system and other each operation systems
The transfer of data and transmission work.In high definition integrated production system, the communication of external system can pass through external interface service
Module is realized；The entry/leave of material or program entity file can be carried out by file transfer services module；So as to real
In the reading of the online material or program finished product file of existing Avid high definition integrated production systems or move out operation and other systems
Material or other entity files write-in or operation of moving back.
2.2 design of memory systems
Storage system not only provides the storage of program file, and is online editing, and data access provides network bandwidth branch
It holds, is component part important in operation system.The centralized storage of this high definition integrated production system selects AVID ISIS
7000 high-end storage arrays provide the up to effective storage capacity of the access bandwidth of 800MB and 128TB altogether.
2.3 memory bandwidths design
The network that AVID high definitions manufacturing system is accessed as a 10000000000 core gigabits, for uploading, edit, transcoding, move
It is as follows to move the bandwidth calculation of handling up concurrently applied with the whole network of data transmission：
The bandwidth demand of this high definition post-production system online editing array amounts to 450MB.
AVID ISIS 7000, which survey every storage, can provide network bandwidth 400MB, and 3 sets of ISIS 7000 of this deployment exist
Line storage array provides the network bandwidth of linear increase, amounts to 1200MB, meets the network bandwidth need of this subsystem enough
It asks, and 450MB is the bandwidth demand in the case of system peak, in actual use, seldom will appear all producers
Member dubs personnel's files in read-write discs battle array, therefore actual demand will be far smaller than the value at the same time.
2.4 memory capacity design
This storage system provides the physical storage capacity of 192TB, and after finishing RAID 1, actually active capacity is
96TB。
In this high definition integrated production system, high definition editor uses DNxHD form of the code check for 120Mbps, per hour
The capacity requirement of program file is：120Mbps/8*3600=54GB.
It is a length of during effective program storage that then this storage system can provide：Full HD 1777 hours/full SD 3555
Hour.
2.5 workflow design
The design of this system flow is main to consider HDTV program production from making is indexed to again to the process of output.It is logical first
Multichannel acceptance system acquisition vision signal is crossed, then the material hard disk being collected in server will be included by engineer（SAS is hard
Disk）Avid manufacturing systems are sent to after extraction, on the non-volume work stations of Avid, material hard disk is inserted into HP work stations, it will be plain
Material is dumped in the storage that Avid makes net, the editing for the program that completed by the non-volumes of Avid, and completes mark version subtitle, libretto
After subtitle and roll screen subtitle, after packing is output to tape, submits and broadcast.Future treats that Zhejiang Broadcasting Group trunk platform construction is completed
Broadcast system can be submitted to carry out program broadcast broadcast finished product program by way of network afterwards.Or it establishes one and creates
AVID nets and broadcast system direct channel directly invoke the warehousing interface of broadcast system, by FTP transport protocols file push
To broadcast L2 cache area.
In Avid makes network system, local external storage storage is configured for 13 non-volume work stations to ensure《In
The good sound of state》The unit working efficiency of program, reconvert is to the online editing pattern of normality after the completion of program making.
3. production method
Full media production ---《The good sound of China》The program brand of phenomenon grade why can be formed, forms the whole society
Mode is broadcast, it is clear that this effect is not achieved in public opinion center just with traditional media.Therefore,《The good sound of China》
Internet has been aimed at from the beginning, has formulated internet offensive, and pc user end has also been captured while television is captured, profit
The rolling of 24 hours is formd with internet and the full media of program request bomb pattern, and internet is broadcasted as TV programme
The effective supplement broadcasted, by over-the-counter titbit, the content of the non-essential part such as post-games interview is played out by PC platforms.To user
Provide the video and audio sumptuous meal of a abnormal type.Be association of activity and inertia, the depth is complementary, full-time online, instantaneous transmission, real time terminal, interaction
Linkage.
The 3.1 video and audio collaboration standards based on dynamic link
Under full Media Era, ceaselessly rheology is occurring for traditional media form with merging, in order to make different watching habits
Audient can be satisfied, and the traditional record and broadcast flow of gathering and editing of broadcasting and TV is also constantly reconstructing and evolving, and makes demand and technique stream
The variation of essence also has occurred in journey, and magnanimity and fragmentation become television services two spies the most significant under full media linguistic context
Sign.
《The good sound of China》Program production procedure rational explaination is made that the theory of full media production, by being based on
The video and audio collaborative work standard of dynamic link is by magnanimity and the content of fragmentation is gathered and is integrated into excellent fluorescent screen music grand banquet.
《The good sound of China》It is one grade of typical large-scale variety class reality TV show program, the making material amount of this type programs
Would generally be very big, and《The good sound of China》Typical case even more in this typical case.For the sake of justice, production unit special requirement player
Best state is left to the same day of making video recording, camera site requirement all once passes through, and is not allow for amended record.Such arrangement is just anticipated
Taste in studio, and the performance of player, the expression of tutor all may be extemporaneous play, and a sudden strain of a muscle was that can not re-shoot.It will
Accomplish farthest to capture each excellent details in recording at the scene, it is desirable to arrange seat in the plane as much as possible, and it is more
Seat in the plane mean to the more resource occupation of later stage system and the editing more to become more meticulous.《The good sound of China》Recording process
In, produce the material content of magnanimity.Line is more than 10 units, and internal field is disposed with 20 seats in the plane, using DNxHD forms
Documentation record scheme, the duration of average each issue of program material was more than 200 hours, capacity 30T, in a manner that hard disk is directly copied
Import storage system.In face of the material of magnanimity, the camera lens of fragmentation, nervous fabrication cycle, how reasonable management voluminous media
Making execution rapidly and efficiently becomes《The good sound of China》Most important link in post-production flow.
For this situation, it is right on the existing technological accumulation and inheritance basis of the non-nettings of Avid that we have combined third party producer
Configuration is optimized in the more non-operating modes for compiling collaboration, forms a set of video and audio collaboration standard based on dynamic link.
It is its associated while being realized in same engineering to certain section of video or audio content editing by applying this standard
Audio or video content can be linked in real time.The combination of video clipping and audio clips is so greatly facilitated, it is right
In《The good sound of China》It is particularly critical for such a program that exquisite picture is taken into account based on music.
The exploitation of video and audio collaboration standard technological core application based on dynamic link, from the later stage editing work of film
Skill.Due to being mixed in film late stage process to the synchro edit demand of a large amount of audio tracks and magnanimity audio and the real-time of dynamic effect
It compiles, monitor demand so that audio workstation system, which must have, to be not only satisfied with professional audio post-production demand but also can independently transport
Capable ability.We are had subscribed by the non-api function design for compiling software interface dynamic link library meets video and audio synchronous applications
Dynamic link library, the material media object of time correlation is regarded as discrete subelement sequence, the beginning of media object performance
It is all as a reference point with the starting point of end point and each subelement, the time is defined according to the linear module of same standard setting
Reference axis, and refer on the basis of the time shaft to determine the synchronized relation of video and audio material on engineering time line.In order to should
The function modoularization of standard realizes shared in functions of modules and uniformly, and solution compiles software by no means and sound compiles software disparity items
Between DLL (Dynamic Link Library) version problem, prevent mistake from program being caused to run using incompatible DLL versions
Abnormal, we introduce modularization programming technique to improve the reusing degree of video and audio dynamic link again.By based on dynamic chain
The video and audio collaboration standard technology connect, can be by making arbitrary end（Non- volume work station or audio workstation）Leading control is initiated, with
The synchronized cooperative work that our and other side's timeline mode realizes video-audio program is played simultaneously, greatly improves program production effect
Rate.
《The good sound of China》In this project, video and audio coordinate system that editing work station and audio workstation pass through us
Formula dynamic link composition is mating to cooperate with making system for the video and audio later stage：The fine pruning of video section, spy are completed by non-volume work station
A series of relevant creation of videos such as effect；More rail sound material synchro edits, the sound field of audio-frequency unit are completed by audio workstation
The relevant creation of audios such as processing, the adding of various audios and dynamic effect, the polishing of all kinds of audio materials beautification.And it is carrying out regarding sound
When frequency cooperates, it is all it is non-compile material that work stations and audio workstation call always in shared storage, it is not any
Material is placed into unit local by transcoding, the action replicated, this allows for video and audio workstation all in network system
It may be added in huge video and audio cooperative working environment, appointed with the working form of dynamic link to support in program making
The making for segment of anticipating so that the program of one grade of material magnanimity can easily resolve into several segments and be carried out at the same time making very much,
And the segment respectively completed by the editing station of a subsidiary download interface equipment integrate and downloads, exports in real time again.
In face of the shooting that will almost carry out weekly, production team is by the video and audio collaboration standard skill based on dynamic link
Art enhances cooperation, simple flow and produces premium content, this is also《The good sound of China》Broadcast each phase of program this grade of week
The major reason that can be easily accomplished in one week.
The 3.2 media cloud platforms based on B/S structures
《The good sound of China》Each issue of recorded program amount can reach nearly 30TB, can form a large amount of content in blocks, content
Audit and audit after modification be formed largely working, how to compress time of this type of work also becomes a phase
The subject answered.We employ Web browser technology and the ActiveX control technological development of continuous maturation based on B/S structures
Media cloud platform, program making beginning just by long-range mode, form the audit cluster of rear end, that is, move the review of a film by the censor
Terminal group on mobile terminals carries out the progress of editor and real-time picture the audit of directiveness, audit and editing system
It carries out, greatly optimizes the flow first edit and audited afterwards, improve review efficiency page and shorten communication and in the time of modification,
Improve the overall processing efficiency of program.
Media cloud platform is the software based on B/S structures, can be installed in mobile phone, tablet computer, removable computer,
The examining of remote tv program is realized by internet and browser, edits, the work such as annotate.As long as the calculating of system client
Browser is installed, the page where user's opening client-side program is simultaneously filed a request, and long-range Web server receives use on machine
The request at family will make corresponding response.Store the data of Web server needs, browser, Web in database server
Server and database server together constitute one three layers of application system.This structure is known as browser/server
Structure, i.e. B/S structures.
Media cloud platform background server shares storage system with ISIS simultaneously and program production management system mounts, and leads to
Cross the outer net access safety control system of high security, can with the material and project file of any Intranet of real time access, intelligence according to
Previewing programs are carried out with real-time coding processing according to local network speed, the material of playback, which calls, not uses common Streaming Media form,
But use uncommon sequence frame form, advantage of this is that supervise window can it is arbitrarily enlarged and reduce, greatly promote
The friendliness of user experience.
APP applications are so that the material that all kinds of tablets on the screen can make distal end in group effectively supervise even
Simple editing is shared for all users in net in project file automatic synchronization to media cloud platform.
During program produces, we also be able to by easily distal end realize the access of strange land and more people, browsing,
Editor, audit.
3.3 cross type multithreading task distribution systems
《The good sound of China》Belong to the TV programme of a phenomenon grade at home, be not only due to the music effect of its high-quality
Fruit, while exquisite video pictures and excellent Promgramming are all an important factor for it become industry wind vane.Therefore only exist
Making link just employs the processing creation that multiple and different later stage team carries out program, includes the groups such as audio, video, layout
Team.
How the elite for adhering to different business field separately to be combined, form the final result of 1+1 ﹥ 2.Multithreading
The program mode of production is come into being.Process is carried out artificial fractionation by we first, is distributed to different professional peoples
Member, such as music, picture, effect, subtitle etc..One's own subtask is got respectively by respective team, carries out most specialized
Creation.All subtasks are all attached in same task, are formed in a manner of the program by task for core, are embodied in
Technological layer is then that multiple team process same project files simultaneously, forms longitudinal multithread mode.
Then, we employ lateral multithread mode in the production process of partial programme, as shown in figure 4, i.e. son is appointed
Business is distributed in a manner of independent Project.
Multithreading task distribution system is a kind of project management mechanisms being implemented on all kinds of non-volume applications in fact.
Since the making of TV programme enters the full HD epoch, the making of all kinds of TV programme is increasingly intended to high-end
Change, collaborative, ecology, integrated making theory, the composition of program making equipment also become increasingly complex changeable, for example pass by
Using frequently toning flow in the film later stage, it is integrating seamlessly into the television program designing being more widely applied.
It builds a set of reasonable, efficient television program designing flow and has become the basic of current all variety class television program designing people
Technical ability.And according to original television program designing technique, the planning and implementation of flow is substantially " linear ", exactly completes one
Next node is entered back into after a node, and completely new television program designing technique necessarily requires slave device to be formed into flow scheme design
Whole flattenings, i.e. flow layout are the concepts in " face ", it is desirable that multitask, multinode, multithreading are unfolded simultaneously, efficient task
Management system just becomes very necessary.
《The good sound of China》Multithreading, multitask flattening management by synchronization are employed, each making node is carried out complete
The process node management and control in orientation, when each issue of program starts from, unified plan and all related resources of integration, including various functions
Unit, shared store path and capacity, flow nodes merge position, process status monitoring etc., all related softwares and
Hardware is included in the resource allocation pond of workflow management system so that the production process of each issue of program is all very efficiently.
Task scheduling is by task interface serviced component, task scheduling server, task performer and task management service group
Part forms.Its system composition structure is illustrated in fig. 5 shown below.
3.4 network system management tool ponds
We have developed jointly with third company and have been directed to《The good sound of China》Item goal-directed action content management tools pond,
Including media asset management, user management, storage management.The modules such as equipment management log managements are come together to complete entire net by them
The operational management of network system.The software is built upon ldap server, the application system management software on XSAN servers, real
The management based on workflow and backstage resource United Dispatching are showed.
It is the management of workflow first, realizes based on after Avid Media Composer and Protools tools
Platform procedure drives, and establishes Union user management, rights management, quotas administered based on localization operation mode etc.；Simultaneously
Complete content technology audit system and management system are established with reference to what home broadcasting television production required.
Secondly the United Dispatching of backstage resource, so large-scale broadcasts class program season, and being related to the management system on backstage is
Extremely complex, the unified distribution, scheduling and management of storage resource are realized by this directive property Content Management Platform；It realizes
The DYNAMIC DISTRIBUTION of hind computation resource and trending migrating technology；SDN is then embodied for the management of Internet resources and is expected pipe
Reason pattern realizes the largest optimization of Internet resources.
Effective combination of task-execution-supervision is completed, while in tasks carrying by the management of workflow engine
End has resource cluster and application call pattern.
It is the engineization driving that the service that performs is taken in the middle first.
Interface one：Workflow defining interface provides one kind to the user visually, practical business can be modeled
AVID, and generate the formalized description the being subsequently can by computer i.e. flow definition of business procedure.
Interface two：Workflow Client application interface, it provides the user with a kind of means, with processing procedure case operational process
Middle the needing manual intervention of the task.The minimum working cell of each task is thus referred to as a work item (Workitem).Work
Workflow Management System safeguards a work item list for each user, it represents all tasks that the user is currently needed to handle.
Interface three：Workflow call application interface, refer to Workflow enactment service in the process of running, calling, to right
The program handled using data.The details of this application program, such as type, address are included in process defines.
Interface four：Workflow engine Cooperative Interface, in large-scale distributed Workflow Management System, workflow needs
Multiple workflow engines are completed jointly or even the Workflow enactment service that needs other heterogeneous assists completing, this interface is not
Cooperation between same Workflow Management System provides a kind of standard.
Interface five：Management and monitoring interface, function are that the state of case in Workflow Management System is monitored and managed
Reason, such as example monitoring management, statistical analysis management, resources control.
Workflow engine：It is the core of Workflow Management System, process, scheduling and the monitoring process that initialization model describes
In each task execution.
The asynchronous cooperation mechanism of 3.5 surround sound technological processes
《The good sound of China》Most attract the television broadcasting means for being undoubtedly 5.1 surround sounds used of audient.In recording
5.1 technology is employed in the process, realizes the high-fidelity of acquisition and the transmission of live sound；In the later stage manufacturing side of program
5.1 editing technique is equally employed, this is the technology application of the interior television broadcasting beginning of founding state.
The current major obstacle for influencing the making of 5.1 surround sounds is not set up efficient, professional, rational division of labor asynchronous association
Same mechanism causes between video and audio, lacks exchange docking between each work post of audio, between audio and technology, eventually leads to
Surround sound audio producing efficiency is low.In order to change this state, we establish technological process and the maker of asynchronous cooperation
System.
Video clipping, music audio mixing and the surround sound based on musical portions are seen effect and synchronous can be carried out.Video clipping uses
Monophonic reference music and reference see effect and carry out preliminary shearing；Same time surround sound music audio mixing independently carries out；Based on musical portions
Surround sound see the multichannel point of rail information that can also be used in audio workstation of effect and premixed in advance, treating that premix is completed will be with work
Journey file mode is pushed to surround sound Zhong Hun groups, this three aspects work is unfolded simultaneously.
Treat that video preliminary shearing is completed, the video clip information based on AAF project files pushed at dialogue audio mixing, is carried out pair
The editor of white tone frequency and arrangement；It treats that the arrangement of dialogue audio finishes, replaces the related audio in video preliminary shearing with it.
Treat video fine pruning complete, push again the video fine pruning information based on same AAF project files to dialogue editor,
Surround sound based on image section sees effect premix surround sound Zhong Hunsange groups.Dialogue editor group will be according to video at this time
Fine pruning information arranges dialogue material again, waits that information is pushed to by dialogue editor group in a manner of project file after the completion of arranging
Surround sound Zhong Hun groups；At the same time, surround sound based on image section is seen effect premix and is also carried out synchronous, treat its complete also with
Project file mode is pushed to surround sound Zhong Hun groups.So far, surround sound Zhong Hun groups have obtained whole audio mixing elements
Material can carry out final dubbing work.
Claims (2)
1. towards full media multithreading whole process collaboration high definition post-production system, the system include centralized storage platform,
Hard core control platform and infrastructure network platform；The centralized storage platform has selected the Unity ISIS systems of Avid to make
For core memory portion；The hard core control platform is connect with Unity ISIS systems, by job engine server
（Interplay Engine）, media lookup service device（Interplay Media Indexer）, domain control server
（Interplay Lookup Server）Composition completes the management of AVID Interplay systems；The infrastructure network platform
Using star Ethernet structure, work station is made including core switch, high definition, high definition 3D makes work station, high definition 3D tune
Color makes work station, imports work station and network management workstation, and wherein core switch uses two Cisco Catalyst
10,000,000,000 interchangers of 4948E, two 10,000,000,000 interchangers of Cisco Catalyst 4948E pass through 10,000,000,000 mouthfuls and Unity respectively
ISIS systems are connected, and high definition makes work station, high definition 3D makes work station, high definition 3D tonings make work station and webmaster work
It stands erectly and connected gigabit Ethernet network and pass through 10,000,000,000 interchangers of Cisco Catalyst 4948E and Unity ISIS systems
Connection；The system, which uses, includes following Part Methods progress post-production：
1）Video and audio collaboration standard based on dynamic link
Fine pruning, special efficacy and a series of other relevant creation of video of video section are completed by non-volume work station；By audio work
Make station and complete the adding of more rail sound material synchro edits of audio-frequency unit, sound field processing, various audios and dynamic effect, each class audio frequency
The polishing beautification and the relevant creation of other audios of material；And when carrying out video and audio collaborative work, all non-volume work stations
And material is placed into always in shared storage by the material that calls of audio workstation without any transcoding, the action replicated
Unit is local so that all videos and audio workstation are all added to huge video and audio cooperative working environment in network system
It is interior, the making of arbitrary segment in program making is supported with the working form of dynamic link so that the program of one grade of material magnanimity
It easily resolves into very much several segments and is carried out at the same time making, and the segment respectively completed is again by a subsidiary download interface equipment
Editing station integrate and in real time download, export；
2）Media cloud platform based on B/S structures
Media cloud platform is the software based on B/S structures, is installed in mobile phone, tablet computer, removable computer, passes through interconnection
Net and browser realize examining, edit, annotating work for remote tv program；As long as it is equipped on the computer of system client
Browser, user open client-side program where the page and file a request, long-range Web server receives the request of user just
Corresponding response can be made；Store in database server Web server needs data, browser, Web server and
Database server together constitutes one three layers of application system；
Media cloud platform background server mounts simultaneously with Unity ISIS systems and program production management system, passes through height
The outer net access safety control system of safety, the material and project file of any Intranet of real time access, intelligence is according to local network
Speed carries out previewing programs real-time coding processing, and the material of playback uses uncommon sequence frame form；
3）Cross type multithreading task distribution system
Multithreading, multitask flattening management by synchronization are employed, comprehensive process node pipe is carried out to each making node
Control, when each issue of program starts from, unified plan and all related resources of integration, the unit including various functions, shared storage
Path and capacity, flow nodes merge position, process status monitoring, and all related softwares and hardware are included in workflow management body
The resource allocation pond of system；Task scheduling is by task interface serviced component, task scheduling server, task performer and task management
Serviced component forms；Task data exchange agreement uses the data flow of XML definition mode, and is carried out based on socket communication patterns
Data exchange；Task interface serviced component is responsible for providing the Web Services interface services of operation task；Task management service
Component provides one to the user by Web mode management and the approach of monitor task executive condition；Task scheduling server and appoint
Business actuator is the core processing layer of task subsystem, and dispatch server receives external various network tasks by socket, and
It is distributed in task performer, the execution work of task is completed by task performer；
4）Network system management tool pond
Network system management tool pond includes media asset management module, user management module, memory management module, equipment management mould
Block, log management module；The application system pipe on ldap server, XSAN servers is established in network system management tool pond
Software is managed, realizes the management based on workflow and backstage resource United Dispatching；The network system management tool pond includes following
Part：
Interface one：Workflow defining interface provides one kind to the user visually, to the AVID that practical business is modeled, and
Generate the formalized description the being subsequently can by computer i.e. flow definition of business procedure；
Interface two：Workflow Client application interface, it provides the user with a kind of means, to be needed in processing procedure case operational process
Want the task of manual intervention；The minimum working cell of each task is thus referred to as a work item；Workflow Management System is every
One user safeguards a work item list, it represents all tasks that the user is currently needed to handle；
Interface three：Workflow call application interface, refer to Workflow enactment service in the process of running, calling, to application
The program that data are handled；The details of this application program are included in process defines；
Interface four：Workflow engine Cooperative Interface, in large-scale distributed Workflow Management System, workflow needs multiple
Workflow engine is completed jointly or even the Workflow enactment service that needs other heterogeneous assists completing, this interface is different
Cooperation between Workflow Management System provides a kind of standard；
Interface five：Management and monitoring interface, function are that the state of case in Workflow Management System is monitored and managed；
Workflow engine：It is the core of Workflow Management System, it is every during process, scheduling and monitoring that initialization model describes
The execution of a task；
5）The asynchronous cooperation mechanism of surround sound technological process
Video clipping, music audio mixing and surround sound based on musical portions see the synchronous progress of effect；Video clipping is joined using monophonic
It examines music and carries out preliminary shearing with reference to effect is seen；Same time surround sound music audio mixing independently carries out；Surround sound based on musical portions
It sees effect to be premixed in advance using the multichannel point of rail information in audio workstation, treats that premix is completed to push away in a manner of project file
Give surround sound Zhong Hun groups；
Treat that video preliminary shearing is completed, the video clip information based on AAF project files is pushed at dialogue audio mixing, carried out to white tone
The editor of frequency and arrangement；It treats that the arrangement of dialogue audio finishes, replaces the related audio in video preliminary shearing with it；
Treat video fine pruning complete, push again the video fine pruning information based on same AAF project files to dialogue editor, be based on
The surround sound of image section sees effect premix surround sound Zhong Hunsange groups；Dialogue editor group will be according to video fine pruning at this time
Information arranges dialogue material again, waits that information is pushed to circular by dialogue editor group in a manner of project file after the completion of arranging
Sheng Zhonghun groups；At the same time, the surround sound based on image section is seen effect premix and is also carried out synchronous, treats that it is completed also with engineering
File mode is pushed to surround sound Zhong Hun groups；So far, surround sound Zhong Hun groups have obtained whole audio mixing materials, into
Row it is final dub work.
2. the multithreading whole process towards full media cooperates with high definition post-production processes, this method is using described in claim 1
System, including following part：
1）Video and audio collaboration standard based on dynamic link
Fine pruning, special efficacy and a series of other relevant creation of video of video section are completed by non-volume work station；By audio work
Make station and complete the adding of more rail sound material synchro edits of audio-frequency unit, sound field processing, various audios and dynamic effect, each class audio frequency
The polishing beautification and the relevant creation of other audios of material；And when carrying out video and audio collaborative work, all non-volume work stations
And material is placed into always in shared storage by the material that calls of audio workstation without any transcoding, the action replicated
Unit is local so that all videos and audio workstation are all added to huge video and audio cooperative working environment in network system
It is interior, the making of arbitrary segment in program making is supported with the working form of dynamic link so that the program of one grade of material magnanimity
It easily resolves into very much several segments and is carried out at the same time making, and the segment respectively completed is again by a subsidiary download interface equipment
Editing station integrate and in real time download, export；
2）Media cloud platform based on B/S structures
Media cloud platform is the software based on B/S structures, is installed in mobile phone, tablet computer, removable computer, passes through interconnection
Net and browser realize examining, edit, annotating work for remote tv program；As long as it is equipped on the computer of system client
Browser, user open client-side program where the page and file a request, long-range Web server receives the request of user just
Corresponding response can be made；Store in database server Web server needs data, browser, Web server and
Database server together constitutes one three layers of application system；
Media cloud platform background server mounts simultaneously with Unity ISIS systems and program production management system, passes through height
The outer net access safety control system of safety, the material and project file of any Intranet of real time access, intelligence is according to local network
Speed carries out previewing programs real-time coding processing, and the material of playback uses uncommon sequence frame form；
3）Cross type multithreading task distribution system
Multithreading, multitask flattening management by synchronization are employed, comprehensive process node pipe is carried out to each making node
Control, when each issue of program starts from, unified plan and all related resources of integration, the unit including various functions, shared storage
Path and capacity, flow nodes merge position, process status monitoring, and all related softwares and hardware are included in workflow management body
The resource allocation pond of system；Task scheduling is by task interface serviced component, task scheduling server, task performer and task management
Serviced component forms；Task data exchange agreement uses the data flow of XML definition mode, and is carried out based on socket communication patterns
Data exchange；Task interface serviced component is responsible for providing the Web Services interface services of operation task；Task management service
Component provides one to the user by Web mode management and the approach of monitor task executive condition；Task scheduling server and appoint
Business actuator is the core processing layer of task subsystem, and dispatch server receives external various network tasks by socket, and
It is distributed in task performer, the execution work of task is completed by task performer；
4）Network system management tool pond
Network system management tool pond includes media asset management module, user management module, memory management module, equipment management mould
Block, log management module；The application system pipe on ldap server, XSAN servers is established in network system management tool pond
Software is managed, realizes the management based on workflow and backstage resource United Dispatching；The network system management tool pond includes following
Part：
Interface one：Workflow defining interface provides one kind to the user visually, to the AVID that practical business is modeled, and
Generate the formalized description the being subsequently can by computer i.e. flow definition of business procedure；
Interface two：Workflow Client application interface, it provides the user with a kind of means, to be needed in processing procedure case operational process
Want the task of manual intervention；The minimum working cell of each task is thus referred to as a work item；Workflow Management System is every
One user safeguards a work item list, it represents all tasks that the user is currently needed to handle；
Interface three：Workflow call application interface, refer to Workflow enactment service in the process of running, calling, to application
The program that data are handled；The details of this application program are included in process defines；
Interface four：Workflow engine Cooperative Interface, in large-scale distributed Workflow Management System, workflow needs multiple
Workflow engine is completed jointly or even the Workflow enactment service that needs other heterogeneous assists completing, this interface is different
Cooperation between Workflow Management System provides a kind of standard；
Interface five：Management and monitoring interface, function are that the state of case in Workflow Management System is monitored and managed；
Workflow engine：It is the core of Workflow Management System, it is every during process, scheduling and monitoring that initialization model describes
The execution of a task；
5）The asynchronous cooperation mechanism of surround sound technological process
Video clipping, music audio mixing and surround sound based on musical portions see the synchronous progress of effect；Video clipping is joined using monophonic
It examines music and carries out preliminary shearing with reference to effect is seen；Same time surround sound music audio mixing independently carries out；Surround sound based on musical portions
It sees effect to be premixed in advance using the multichannel point of rail information in audio workstation, treats that premix is completed to push away in a manner of project file
Give surround sound Zhong Hun groups；
Treat that video preliminary shearing is completed, the video clip information based on AAF project files is pushed at dialogue audio mixing, carried out to white tone
The editor of frequency and arrangement；It treats that the arrangement of dialogue audio finishes, replaces the related audio in video preliminary shearing with it；
Treat video fine pruning complete, push again the video fine pruning information based on same AAF project files to dialogue editor, be based on
The surround sound of image section sees effect premix surround sound Zhong Hunsange groups；Dialogue editor group will be according to video fine pruning at this time
Information arranges dialogue material again, waits that information is pushed to circular by dialogue editor group in a manner of project file after the completion of arranging
Sheng Zhonghun groups；At the same time, the surround sound based on image section is seen effect premix and is also carried out synchronous, treats that it is completed also with engineering
File mode is pushed to surround sound Zhong Hun groups；So far, surround sound Zhong Hun groups have obtained whole audio mixing materials, into
Row it is final dub work.
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