CN101783873A - Digital multimedia information transmission platform - Google Patents
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- CN101783873A CN101783873A CN200910077043A CN200910077043A CN101783873A CN 101783873 A CN101783873 A CN 101783873A CN 200910077043 A CN200910077043 A CN 200910077043A CN 200910077043 A CN200910077043 A CN 200910077043A CN 101783873 A CN101783873 A CN 101783873A
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Abstract
The invention discloses a digital multimedia information transmission platform, which comprises an acquisition system, a manufacturing system, a media resource system, a management system and a release system, wherein the acquisition system consists of control equipment, outside network material receiving server and an foreign signal, studio signal and magnet tape material acquisition and collection subsystem; the manufacturing system consists of a program editing system, a program examination system, a background packing and synthesizing system and a resource manager; the media resource system consists of a media resource cataloging and searching work station, a transcoding server, a database server, a storage management and migration server and a system management working station; the management system consists of a uniform user identification system and a network management system; the release system serving as an external interface module of a multimedia center encrypts finished products in multiple formats and executes related release according to outside service demands; and the platform is an integrated production line of digital media contents and also a digital media resource comprehensive service system platform and can realize overall media resource sharing.
Description
Technical field
The present invention relates to integration, the distribution platform of multimedia resource.
Background technology
Along with fast development of information technology, various media formats make rapid progress, and layer goes out not wear, as the network media (IPTV), mobile media (mobile TV), traditional media (record company, the special hurdle of TV) or the like.These medium all are relatively independent, can't accomplish that resource is prosperous altogether, therefore, be badly in need of exploitation a kind of unified new media video production and management platform: the integration and making resource towards the multiple terminals, the centralization basis of carrying out digital media content produces, for multiple multimedia service (traditional tv, Web TV, mobile TV, Internet Protocol Television) provides service.
Summary of the invention
For addressing the above problem, the purpose of this invention is to provide a kind of digital multimedia information transmission platform, it is the automatic integratedization production line of disposal ability is the strongest, production efficiency is the highest digital media content collection, catalogue, making, index, storage, issue, it also is the digital media resource comprehensive operation system platform of digitlization, datumization, networking, highly intelligent, automation, guarantee highly efficient and productive, high-quality contents production process, can realize that comprehensive media resource is shared.
For achieving the above object, the present invention is by the following technical solutions:
A kind of digital multimedia information transmission platform comprises acceptance system, manufacturing system, media resource system, management system, delivery system; It is characterized in that:
Described acceptance system is included acquisition system by control appliance, outer net material reception server and extraneous signal, studio signal, tape material and is formed, extraneous signal, studio signal, tape material include acquisition system by video/audio matrix module, many pictures monitor module, include server, include and compile single work station, include the Control work station, include management work station and form;
The video/audio matrix module realizes centralized and unified scheduling and the management to extraneous signal, studio signal, video tape signal;
Many pictures monitor module is realized supervising in real time all extraneous signals and tape signal;
Include server and have the excuse of HD-SDI numeral, SDI digital interface, compound component, analog interface, ASI look audio interface, are used to realize the broadcast level signals collecting;
Include and compile single work station and be used for realizing including programme reservation layout, the general parameter that is provided with in can calling system, the circulation of support time is provided with, and supports to include the function that programme imports from the execl table; The modify feature of programme is included in support; Preserved program list audit function is included in support; Support to add backup tasks;
Include the Control work station and be used to realize Task Distribution and control route, include the Control work station and connect video/audio matrix system, VTR, video server by serial port protocol, connect switch and other work station UNICOM by Ethernet simultaneously, when other work station needs dispatch matrix, VTR, video server, carry out protocol conversion and order forwarding by the Control work station;
Including the management work station major function is general parameter setting in the realization system, equipment disposition monitoring, unifying user authentication and task data management;
Outer net material reception server is realized telecommunication network, the reception of outer net materials such as each subservice system, the Internet, an approach that obtains as the resource material; The outer net material enters behind the material reception server through a series of automatic viral detections, information checking, cryptographic check, automatically behind the QC supervisor, and the material that is identified will advance the Intranet of multimedia hub automatically;
Control appliance is used for controlling video/audio matrix module, player, finish signal dispatching, simultaneously the acquisition system of including of extraneous signal, studio signal, tape material is sent acquisition instructions, the acquisition system of including of extraneous signal, studio signal, tape material is accepted instruction, and required program is included/collected in the central store body;
Described manufacturing system is made up of editing saving system, program auditing system, backstage packing synthesis system, explorer;
The editing saving system provides professional editing saving to make function, and comprise functions such as video-audio program makings, captions making, picture editor, packing be synthetic: can receive the CML workflow task, controlled procedure is managed; Support is accurate to the editting function of frame, support 2 layers of real-time edition, support the roll screen captions to add 1 layer of real-time edition, support MPEG-2, DV25, DV50 format editing, support the multi-format shuffling of different code check files simultaneously, finish the audio frequency of supporting to comprise forms such as WMV, Wave, MP3, MEPG-1Layer2 and CD Track, can realize complicated captions, hundreds of special effects, by adopting the CPU+GPU technology, make software have the complicated editor of code stream processing capability in real time, that supports the multiple form of high SD looks the audio mix editing, accomplishes high SD compatibility fully; Embedded powerful diagram text manufacture system provides complete diagram text manufacture instrument, can make of the IPTV placard; Function made in multilingual captions, comprises simplified, traditional font translation function, and English is dubbed etc.; The audio frequency special effect processing plug-in unit that system is built-in is easily realized the audio effect editor;
The program auditing system is finished the review of a film by the censor of specialized network program, and automatic reception CML examines task, obtains the pending trial programme content; Provide soon put, put slowly, the accurate function of location, index, improve review efficiency, support to look the automatic skill of audio frequency and examine function, detect problems such as Hei Chang, folder frame, snowflake field automatically, and identify the problem period, remind the reviser, support the automatic amplitude limit of audio frequency, under the prerequisite of not losing sound quality, guarantee that the audio amplitude of program meets the demands, the Electronic Signature function of safety, can write down audit opinion, identify defective fragment, the examination record can carry out record by voice, and passes to the reviser;
Backstage packing synthesis system is made of the background server cluster, be responsible for broadcasting version and synthesize the function of waiting to broadcast file fast, Multi-task Concurrency is synthetic, supports all two dimensions, three-dimensional, captions special efficacy, can be output into the file destination of multiple form simultaneously, support H.264 directly to generate;
Explorer is managed efficiently to resource, explorer has used the advanced technology based on database platform, by unified management to resource, make any website in network, all can shared network resource by the explorer window, explorer is the powerful tool for a series of resources such as the managing video that the user provides, audio frequency, picture and text, broadcast unit; Improve stability, fail safe and the service speed of resource management greatly, adapted to the development need of information system networking;
Explorer is video file by the acquisition function that system carries with signal source collections such as video tape, DVD, entering explorer manages, support is looked audio interface from analog composite, analogue component, S-Video, SDI, analogue audio frequency, digital audio etc. and is imported audiovisual information, and supports simultaneously to import the Miscellaneous Documents material from IT interfaces such as USB2.0, IEEE1394, gigabit ethernet interface, built-in DVD CD-ROM drives;
Support any compressed format video file, comprising: video format: DV25, DVSD, DV50, MPEG2-I, MPEG-2IBP, MPEG4, H.264, non-compression standard definition video, audio format: PCM-16bit-48KHZ, embedded audio file: MPEG4, WMA, picture format: TGA, JPG, BMP, TIF, animated format: DYM, FLC, and support multiple formatted file: AVI, MPG, DAT, RM, WMV, TS, ACC;
Described media resource system by the matchmaker support catalogue retrieval work station, transcoding server, database server, storage administration migration server, system management work station form; The matchmaker support catalogue the retrieval work station comprise catalogue module and retrieval module;
Described catalogue module is supported many taxonomic hierarchieses and User Defined catalogue, can the existing catalogue standard of compatible user, realize the configurable flexibly of catalogue project; System has extensively introduced the auxiliary automatically catalogue technology of computer, extracts key frame automatically, the catalogue masterplate is provided, and makes things convenient for the deep excavation of going deep into index and value of program material;
Can browse the video/audio object of low code stream, can browse easily and fast with the frame precision simultaneously and locate, can browse key frame, can put in order and delete key frame, and can extract key frame by hand, but catalogue field structure and catalogue inputting interface flexible configuration, can finish multi-level catalogue based on program layer, slice layer, scene layer, camera lens layer, basic inventory information can extract automatically, and the short cataloging flow process possesses review of a film by the censor mechanism;
Described retrieval module adopts the B/S mode, and being used by WEB provides retrieval service, and client uses the IE browser can finish the query and search of program material; The full-text search of catalogue field and parameter retrieval are flexibly striden in the support of retrieval client, and the user can propose download request at programs of interest; Because searching system adopts the B/S mode to realize, the retrieval client station uses the common multimedia PC to get final product, and can increase the retrieval work station easily; Retrieval module is supported keyword fuzzy search, the retrieval of catalogue field combination; Support systematic searching; Text retrieval function based on global search technology is provided; Parameter retrieval flexibly and other search function; Work folder, favorite function are provided; Can in browser, play in real time the material that retrieves; Can watch the key frame information of the material that retrieves; By revising the search method that configuration comes setting individual; Can submit to program material and download application, support to get ready segmentation and download;
Described transcoding server is a core cell of handling the transcoding task, and it obtains the task of distribution by message-oriented middleware; Transcoding server adopts distributed architecture cluster working method to realize the transcoding of high-performance, high stable;
Transcoding server is responsible for receiving the transcoding task, realizes work such as video/audio encoding and decoding, file transfer, metadata exchange, can use in each system interconnect, and in industry user's the video transformation applications; Adopt no interface backstage services pattern, carrying out transcoding and taking out frame work after database obtains corresponding task automatically, at last with associated metadata, height code rate data and key frame time-code information are sent to respectively in database and the central store body;
Described database server mainly provides database service, for uploading in the system, make a catalogue, application such as retrieval, data staging storage administration, download provides database service, bears metadata store, the inquiry service of whole network; Utilize the WEB retrieval server as the standby database server;
Described storage administration migration server mainly provides the migration management service of video/audio between online memory block and nearline storage district, and carries out data migration work; This storage administration migration server comprises two functional modules: mobile sms service module and data transferring module;
Described mobile sms service module is carried out unified management to online, near line and three storage areas of off-line, is responsible for storage object management, migration strategy management, and data object storage, exchange and maintenance task are finished in the dispatching management of finishing the work simultaneously;
Described data transferring module is finished the migration/readjustment of program material near line and online, the control of responsible simultaneously streaming tape storehouse and magnetic tape station under the unified scheduling of mobile sms service module;
Described system management work station is made up of supervisor console and Workflow Management module;
The software backstage that supervisor console is mainly finished application is provided with, and comprises that user's rights of using, cataloging structure design, catalogue INTERFACE DESIGN etc. directly should have influence on the various settings that system uses, and is similar to the function of control panel among the WINDOWS; The approach that supervisor console provides the modification system to be provided with by C/S operation interface intuitively to the user, avoid user's direct control database and caused system's instability, also reduced the difficulty of system management, made the general network keeper just can carry out regular maintenance and function setting media asset management system by simple training; The setting of user, role and authority in the system; The catalogue attribute, catalogue class and the setting that is subjected to complaint; The catalogue Interface Design; System's running log record; The setting of software runtime environment variable; The setting of catalogue workflow; The setting of material memory block and storage policy; Checking of store tasks and storage object;
The Workflow Management module is mainly finished the monitoring and the management of system works flow process, according to the workflow of the actual generation of the good flow process of predefined, checks the progress and the performance of this flow process; Monitor working link actual in each flow process of moving, watch or change the executor of this link; Definition need be finished the prerequisite user identity of certain link; Set the authority that enters workflow for different user, realize dual authority setting, guarantee system safety;
Described management system is made up of unifying user authentication system, network management system;
The unifying user authentication system is that a plurality of service sub-systems for delivery system provide unified subscriber administration interface; The unifying user authentication system to organize rank to allow the user to carry out according to the management level level of each mechanism's reality self-defined, the user can adjust the setting of tree class according to own demand, can increase rank or delete rank; Have the preservation parameter function, be used to preserve the parameter of customer certification system, guarantee the integrality of data; When data are destroyed, can use the recovery parameter to carry out the recovery of original data;
Any one that can be in user profile, Role Information, three modules of class information added new user, is convenient to the management mode that the user selects oneself to like and carries out user's interpolation and management;
Network management system realizes the comprehensive management to the user in the network, equipment, operation system, and the efficient monitoring to User Status, equipment use, operation system performance is provided;
Network management system is user management, equipment control, and statistical management, service management and workflow management are dissolved into together; Support several data storehouses such as SQLserver, Oracle; Real international kernel can be supported multi-lingual simultaneously; Can run on any working terminal in the network, way to manage flexibly is provided; Can smoothly link with each network submodular etc., powerful hard core control function is provided, can carry out unified centralized management to in-house personnel, and make the functional localization of business management system more clear and definite clear;
Network management system has perfect derived parameter function: can the data file of network management system be saved as a NET file by demand, recover the setting and the parameter of preservation simultaneously by " import system parameter ", make things convenient for the backup of data, by " levels of traffic management " leading subscriber, the user can be included in the different business-levels, also a user can be included in a plurality of different stages;
Network management system has the message sending function, and the webmaster personnel can send to message one or more line personnels, powerful remote control function timely: at system closedown or close the work station that the application program forward direction working and send warning; System is preceding when warning several times, but the work station operate as normal, countdown can appear in last warning, during countdown in, work station will thoroughly be closed and can't carry out any operation;
Can carry out self-defined setting to the column attribute, comprise column available hard disk space, material retention time, prepayment information;
Can carry out self-defined setting to user property, comprise user's available hard disk space, the configuration of user's path policy, user role configuration, and the setting of user right parameter;
Powerful service management function: can carry out unified management to different " business relations rank ";
Efficient status monitoring function timely, the equipment that user, user are used, service object's state and path status are monitored in real time;
Have performance management function, can monitor,, use the user to set the service time of every work station to equipment state;
Perfect log management function can be checked all operations daily record of writing down in the database;
Described delivery system is the external interface module of multimedia hub, and manufacturing a finished product of multi-format will be encrypted in this link, and according to the external business demand, carries out relevant issue and push action;
Delivery system is the system that directly faces client terminal in the whole media center, realize of the transmission of various media datas, have one to support the transmission channel to server end of ICP/IP protocol (TCP) just can realize transmission of media data from client as long as guarantee from the server to client end; And TCP/IP has been applied to the every field of transfer of data as the standard transmission protocol of Internet net; So the transmission means of server to client also is multifarious: have traditional Internet wired, the wireless access service; Internet based on satellite communication inserts; Internet based on mobile communication inserts; Various terrestrial microwaves, the access of shortwave; Even comprising existing cable TV network, electric power networks etc. can add the access service of internet.
The present invention has following positive beneficial effect:
Digital multimedia information transmission platform of the present invention, have domestic the most advanced at present video coding system, its code efficiency surpasses all main flow coded systems at present, under the equivalent network bandwidth, can reach best broadcast effect, perhaps broadcast with equal broadcast index, the demand of the network bandwidth drops to minimum.It has complete video production system: the production demand on basis is detached out from various concrete business demands.The raw data that comes from various information sources, to carry out batch machining by unified production line, output and concrete professional editor's demand are irrelevant becomes article unit, is each business unit conveying again, perhaps directly issue the broadcast of reaching the standard grade, secondary editor's clean material perhaps is provided for each business department.Can support to build superhuge video content data storehouse: introduce media asset management, material and data that whole process relates to are carried out orderly management, realize arrangement, storage and the management of digitized program resource; Adopt desktop storage, online storage, nearline storage, have the complete software flow of managing business of a cover to realize the digitlization of media resource, automation processing; Network, storage, manufacturing system can be level and smooth upgrading and dilatation; Whole system function also can easier be expanded simultaneously, can dock compatible all kinds of third party softwares and equipment easily with the third party; At different application platforms, same media resource has different forms and code check support, can accomplish bumpless transfer when making, storage, issue and live application.The unobstructed network platform adopts efficient, advanced network management system, is responsible for the software and hardware of equipment, software, each business interface is carried out integrated management.And have safety Design such as anti-virus, attack protection, the safety of assurance system operation; Complete supervisory control system, the monitoring system to whole digital media center soft or hard, information technoloy equipment, video/audio, the supervision of broadcast Distribution status has perfect security protection, fire-fighting system simultaneously, guarantees the stable and safe in operation of media center; Live, content business, content distribution, copyright management tracking system, copyright protection, user's fee management etc. are finished in the download and the issue of safe and reliable content business system, Streaming Media issuing function, multiple form and code check.
Description of drawings
Fig. 1 is a theory diagram of the present invention.
Fig. 2 is that system of the present invention forms structural representation.
Embodiment
Please refer to Fig. 1, Fig. 2, the present invention is a kind of digital multimedia information transmission platform, comprises acceptance system, manufacturing system, media resource system, management system, delivery system; Below each system is described in detail.
The 1st joint acceptance system
1.1 systemic-function
The multimedia hub acceptance system can be realized centralized and unified control, the management of multimedia quarry.Guaranteeing on the basis that content is obtained also have other, making the multimedia hub acceptance system really become independent existence, have system's characteristics, complete and abundant system platform for raising the efficiency, improve aspect functions such as real-time, convenient management, functionalization.
√ realizes following basic function:
√ Bian Caibian compiles function
Bian Caibian compiles, and cooperates with making network, realizes that Bian Caibian compiles function.Article one, task is not also gathered and is finished, and network can have been produced program, has improved efficient, be marked as the material that Bian Caibian compiles, even include the server generation loss of power accident, the part of having gathered also can successfully preserve, and can directly pull use in explorer.This function is applicable to the mode of operation of program acceptance system and the shared memory bank of operation system, so be applicable to the task of including of sharing storage with News Network in this system.
The automatic log function of √
System can write down the state information of the task of including automatically, makes things convenient for the webmaster personnel according to system journal supervisory control system running state.
√ extracts the key point function
When including, include the retrieval of program for convenience, when the transition picture takes place the time, system's Automatic Extraction key point.After program is included and finished, make things convenient for the quick positional editing picture of editorial staff.
The collection form that √ is numerous is supported
Support DVSD, DVCPRO, MPEG2I frame (10-25Mbps), MPEG4, H.264, video format such as TS.
1.2 system realizes
1.2.1 system forms structure
By multiple acquiring way, acceptance system compiles material, and the quarry comprises: the batch collection of including collection, video disc form of external baseband signal and vcr signal, the reception of outer net material.
1.2.2 system forms
A, server are included group system: include control appliance and include/collecting device, come equipment such as gating matrix, player by control appliance, finish signal dispatching, simultaneously to include/collecting device sends acquisition instructions, include/collecting device accepts instruction, required program included/collected in the central store body.
B, work station acceptance system: be used for the task of including signal source very not heavy, that connect is not in the ten minutes complex environment more, need not dispatch automatically by signal, and all volumes are single to be finished by including working terminal entirely with gathering.
1.2.3 extraneous signal, studio signal, tape material include acquisition system
Video/audio matrix module: realize centralized and unified scheduling and management to signals such as extraneous signal, studio signal, video tapes.
Many pictures monitor module: realization supervises in real time to all extraneous signals and tape signal, and has multiple functions such as Hei Chang, quiet frame, volume indication, fault alarm.
Include server: include server for many in the config set, casted off non-linear encoding and decoding card once and for all, realized broadcast level signals collecting with " I/O card+pure soft codec " technology.The excuse of HD-SDI numeral is provided, and SDI digital interface, compound component, analog interface, ASI etc. look audio interface.
Include and compile single work station: programme reservation layout is included in main realization.Has following function: the general parameter that is provided with in can calling system, for example signal source, receiving and recording equipment etc.; Support time circulation is provided with, for example the fixing period program of including weekly; The function that programme imports from the execl table is included in support; The modify feature of programme is included in support; Preserved program list audit function is included in support; Support to add backup tasks etc.
Include the Control work station: function with Task Distribution and control route, there are equipment such as matrix, VTR, video server at the Control work station by the attachable equipment of serial port protocol, connect switch and other work station UNICOMs by Ethernet simultaneously, when other work stations need dispatch matrix, VTR, video server, carry out protocol conversion and order forwarding by the Control work station.
Automatically allocating task is dispatched route, unattended duty;
Realization provides collision detection mechanism to the perfect control of matrix;
Automatically control satellite receiver;
Automatic gating matrix
Whole signal routing channel is transparent for precontract task;
The working condition that can show various system equipments in real time.
Can coordinate the control distinct device at subscription time according to the requirement of including confirmation slip, arrange the process of signal transmission passage automatically;
Software has detailed journal function, tracer signal routing condition and various operational circumstances and equipment work situation etc.;
Warning function, prompting fault point and reason, the convenient fault of investigation fast;
Automatically start and begin to include a task of makeing mistakes;
Compatible main flow equipment
Include management work station: the main application of management work station is to make things convenient for the network management personnel, and major function is general parameter setting in the realization system, equipment disposition monitoring, unifying user authentication and task data management.
User's establishment, management, deletion etc. in the system;
The giving and managing of user right;
Include the setting of material store path and storage policy
Include the setting of material form, code check
The configuration of receiving and recording equipment, signal source, routing device supports to import and export function;
The configuration of logical routing supports to import and export function;
The material of gathering based on task browse;
The working condition that can show various system equipments in real time.
Query function, qualified task in the inquiry sometime;
Statistical function is listed printing department, column, and individual's collection duration and generation expense, expenses standard can be self-defined;
Outer net material reception server: realize to telecommunication network the reception of outer net materials such as each subservice system, the Internet, an approach that obtains as the resource material.The outer net material enters behind the material reception server through a series of automatic viral detections, information checking, cryptographic check, automatically behind the QC supervisor, and the material that is identified will advance the Intranet of multimedia hub automatically.Can fully enlarge the scope that the resource material obtains by the outer net reception server, both set up the network special line that special material obtains, give full play to social resources again, can consider that setting up the program collecting platform that allows General Visitors to participate in is UserGenerated Content, media platform be turned into whole people's participation, interactive, flexible net platform to reach.
System is made in the 2nd restraining
1. systemic-function and relevant introduction
1.1 editing saving function
Provide professional editing saving to make function, comprise that video-audio program makings, captions making, picture editor, packing function such as synthesize:
● can receive the CML workflow task, controlled procedure management;
● support to be accurate to the editting function of frame, support 2 layers of real-time edition, or support the roll screen captions to add 1 layer of real-time edition.
● support MPEG-2, DV25, DV50 format editing, support the multi-format shuffling of different code check files simultaneously, finish the audio frequency of supporting to comprise forms such as WMV, Wave, MP3, MEPG-1 Layer2 and CD Track.
● can realize complicated captions, hundreds of special effects.By adopting the CPU+GPU technology, make software have the complicated editor of code stream processing capability in real time.
● that supports the multiple form of high SD looks the audio mix editing, accomplishes high SD compatibility fully;
● embedded powerful diagram text manufacture system, complete diagram text manufacture instrument is provided, can make of the IPTV placard;
● function made in multilingual captions, comprises simplified, traditional font translation function, and English is dubbed etc.;
● the audio frequency special effect processing plug-in unit that system is built-in, easily realize the audio effect editor;
1.2 program examination
The review of a film by the censor of specialized network program:
● automatic reception CML examines task, obtains the pending trial programme content;
● provide soon put, put slowly, the accurate function of location, index, improve review efficiency
● support to look the automatic skill of audio frequency and examine function, detect problems such as Hei Chang, folder frame, snowflake field automatically, and identify the problem period, remind the reviser
● support the automatic amplitude limit of audio frequency, under the prerequisite of not losing sound quality, guarantee that the audio amplitude of program meets the demands
● the Electronic Signature function of safety, can write down audit opinion, the defective fragment of sign etc.
● the examination record can carry out record by voice, and passes to the reviser
1.3 the backstage packing is synthetic
The background server cluster is responsible for broadcasting version and is synthesized the function of waiting to broadcast file fast, and Multi-task Concurrency is synthetic.
● the Storyboard of submitting to is carried out backstage packing synthetic work, need not take non-volume work station local resource
● support all two dimensions, three-dimensional, captions special efficacy
● can comprise the audio material of looking of arbitrary format in the Storyboard
● Storyboard can be output into the file destination of multiple form simultaneously, supports H.264 directly to generate
● the Storyboard aggregate velocity Faster Than Real Time that conventional three layer videos are following
● many packaged service device trunking mode work, in time take over the task of makeing mistakes
● the support task sorts by priority
● the support task is lined up function
1.4 resource management
Resource is managed efficiently, and it has some following main features:
● explorer has used the advanced technology based on database platform in a creative way, by the unified management to resource, makes any website in network, all can shared network resource by the explorer window.
● explorer is the powerful tool for a series of resources such as the managing video that the user provides, audio frequency, picture and text, broadcast unit.Improve stability, fail safe and the service speed of resource management greatly, adapted to the development need of information system networking.
● explorer, by unified user management strategy, realize resource security is effectively managed.
● at application, explorer has adopted the resource management scheme of standard, the user can carry out all basic resources management roles therein, for example, create, delete, duplicate and the move folder, the attribute and the authority of change file and resource, also can browse the material details by the function button that this window provided, and carry out the query manipulation of material, and can also set up the project of own commissioner's office according to concrete different workflow, deposit dissimilar resources so that management.
Major function:
1) material imports: the acquisition function that carries by system is a video file with signal source collections such as video tape, DVD, entering explorer manages, support in our design that looking audio interface from analog composite, analogue component, S-Video, SDI, analogue audio frequency, digital audio etc. imports audiovisual information, and support simultaneously to import the Miscellaneous Documents material from IT interfaces such as USB2.0, IEEE1394, gigabit ethernet interface, built-in DVD CD-ROM drives.
2) material management: support any compressed format video file, comprising:
Audio format: PCM-16bit-48KHZ
3) matchmaker supports material filing and calls: by the matchmaker being supported the retrieval in storehouse, find the media file that needs after, be uploaded in the explorer by workflow, mark in order to using with different colors.Material can be submitted the filing of content storage management system to.
2. key characteristic and technology
2.1 height code check upload function
When material is uploaded, generate high code check material simultaneously and supply high code check editing station editor and hang down the code check material for low code check editing station editor.An acquisition time is finished the video acquisition of two kinds of forms, has saved the operating time, has improved operating efficiency.
2.2 intelligence is synthetic
The synthetic plug-in unit in backstage moves automatically on the backstage to user transparent fully, when unreal time domain appears in the Storyboard of being edited, the synthetic plug-in unit in backstage will be located unreal time domain automatically, and do not interrupting finishing under the situation that the user edits synthetic to unreal time domain, the cost of the imperceptible generated time of user has promoted the efficient of program making greatly.
2.3 automatic segmentation material function when uploading
For traditional audio collection of looking, the easiest mode is whole dish tape disposable recording, generates a long material; But in editor, just wish that material is thin more good more, because can seek picture and sound comparatively easily.For solving this contradiction, native system upload the function that work station provides automatic segmentation material when gathering, can decompose material automatically at the shearing point in the picture, the whole piece material is cut into the sub-material of different scenes, convenient editor's later stage is sought the segment that needs separately.Simultaneously, because cut-off exists as metadata, can't produce any interference to original document.
2.4 hybrid software framework
Adopt unified data framework, CS manuscript and BS manuscript can mix application in consolidated network, complement one another.
The contribution system takes the lead in having used hybrid software framework technology, can dispose BS and CS simultaneously in the system, makes full use of the advantage of BS high security, high scalability, in conjunction with the powerful characteristics of CS, realizes that both coexist, collaborative work.
For the user, the function basically identical uses same set of data, the edited result among the BS, and CS user can obtain at once.
2.5 height code check editting function
The low code check material of low code check editing station editor; High code check material is edited at high code check editing station.The Storyboard that low code check editor finishes can be opened on high code check editing station and carry out high code check Storyboard fine works and packing.The conversion of height code check is transparent fully for the user, and system can discern automatically, need not manual setting.The realization of this technology greatly reduces network cost, and low code check work station can be finished the Storyboard editing with lower configuration, and effectively reduces the pressure of system bandwidth, has improved video and audio-editing speed.
2.6 video oscilloscope
The oscilloscope of polar plot, oscillogram, histogram and four kinds of display modes of apportion figure is provided, can when carrying out color correction process, can provides reference, guarantee that video output meets the broadcast standard.
2.7 Bian Caibian compiles technology
Bian Caibian compiles function and allows the user under the situation that can't interrupt gathering and have to begin immediately to make, can when gathering, edit imperfect material, need not that by the time gathering finishes just begins to edit, can save greatly and upload the spent time, allow editing almost carry out simultaneously with collection.Bian Caibian compiles can be provided with refreshing frequency, such as 1 minute, will obtain the up-to-date material part of uploading every 1 minute like this on editor's website.
2.8 three-tier architecture is used
● plug and play: this be this system architecture one of exclusive characteristic.Any application system just can be inserted in the system architecture as long as develop according to the standard of system architecture interface, just can carry out seamless combining with other application system.Importantly the interface standard of system architecture all is open, rather than some particular vendors is exclusive.
● disperse with service in the transaction set: " the application platform bus " of system architecture is to be based upon on the application server of J2EE standard.This class application server provides the characteristic of server end load balancing and disaster tolerance, descends the large user to measure the situation of visit in the transaction set thereby the application system that assigns on " bus " can be dealt with.
● control of authority: control of authority divides two levels to manage in this system architecture.The one, to the control of authority of function, guarantee that different users is different according to the function that its role can use.Control of authority to function is to reach by " B/S display controller " control of authority to view.The 2nd, to the control of authority of data, can only see or revise the data that its authority is allowed to guarantee the user.Control of authority to data then reaches by the management of in " application platform bus " DAO being called.
● multiple structure is integrated: this structure one of principal character be exactly that JAVA data object interface not only is provided, the data-interface of XML also is provided, expanded the flexibility of system configuration greatly, make applied logic thorough and data independence of system with client.And client can be that any platform comprises: VC, the application software client-side program of JAVA.
● support the exchanges data with other various systems: because the data-interface of XML is provided, other application system can be carried out exchanges data with native system easily.The XML SCHEMA that defines by native system can the control data exchange content, thereby the flexibility that promptly guarantees exchanges data guarantees fail safe again.
The 3rd joint media resource system
1. system performance
Media resource system is the most crucial system of multimedia hub, mainly is responsible for the storage and the scheduling of video/audio, is the storage platform of other application subsystems.This system has following characteristic:
High efficiency: storage system will have in mass memory ability and the very high system, the data exchange capability between system and other subsystems.
Stability: storage system is to be the total system business service, so system designs according to 24 hours uninterrupted duties.System adopts stable performance, and ripe software and hardware product does not have Single Point of Faliure, provides the redundancy protecting measure to key equipment.
Safety of data: mainly comprise storage safety, i.e. the long-term availability of data and data application safety, the i.e. safe accessibility of data.
Extensibility: according to service needed, media resource system can carry out the dilatation of memory space and relevant device at any time, and professional normal operation before can not being interrupted during guaranteeing to expand.
Open: system configuration should be opened flexibly, supports existing various main flow memory technology, equipment and standard.
Maintainable: as in time to find and handle the various abnormal conditions in the storage system, realize real-time monitoring of tools and management.
Systemic-function and relevant the introduction
Media asset management system must possess following function:
The program copyright control
For content cooperation unit provides the means of managing the copyright information of mass memory content, can locate and follow the tracks of the production of mandate/unauthorized program fast and go up line states, help to guarantee the legitimacy and the permanence of content cooperation
The management of operator's authorization/authentication
User/operator can use the WEB browser, through the multilevel security authentication, by the media content information of digitlization in the IP-based network remote access media asset management systems such as Intranet, Internet, private network, indexation, the daily record of simultaneity factor recording operation
The Administrator system configuration feature; Realize unified search function, can carry out full text and key search;
The increase of material data, deletion, modification, inquiry; Material classification of Data statistics and detailed form;
Material imports, derives (download), the backup of material data, recovery; The operation log recording function;
The material coherency management makes material still can set up association after program splits, so that the material retrieval;
The management of material off-line, migration filing function;
1.1 memory module
Storage mode is taked the mode of classification storage, the core concept of classification storage is the frequency of utilization according to data, the most frequently used data is kept in the online memory device of high speed, the data storage that will be of little use is in slow nearline storage district, and data least commonly used and then store in the offline storage district, these are all finished according to a unified management strategy by system.Data is after moving after a while, and storage distributes can reach optimization, and response speed is online to give full play to, near line, off-line advantage separately finally to make data have different calling.
In sum, we are divided into online, near line and three memory blocks of off-line with whole storage system, adapt to the memory requirement of multimedia hub different pieces of information storage object.Each memory block will be based on the actual application requirements, disposes corresponding memory device.Storage, exchange and the maintenance task of data object finished jointly by the unified scheduling of storage management system in three memory blocks.
Whole storage system has perfect management function, comprising:
Carry out and handle: be responsible for control hardware equipment and finish assigned operation.As control manipulator and grasp streaming tape, the operation of control magnetic tape station file read-write etc.
Data dispatch: data dispatch mainly comprises two aspects of task scheduling and data migration, and storage administration is set up data channel by data dispatch between each memory block, and realizes the automatic hierarchical storage management of data according to storage policy and request of data.
The task scheduling service is receiving system data migration request, and generates data migration task and distribute relevant device according to the system resource situation.By task scheduling, can realize the load balancing of migration service, and give full play to the resource utilization of system's storage platform.
The data migration service is used to realize concrete data object migration.Under normal conditions, can exist a plurality of data migration servers to move simultaneously in the system.The performance of data migration service directly influences the storage administration efficient of whole storage system.
Application service: the customization performance of storage administration is mainly reflected in: aspects such as the formulation of storage policy, store management and storage administration operation monitoring.
Data in the multilevel storage management system need be moved between disk array, tape library, off-line tape and move back, and this part work is to carry out under the unified control of hierarchical storage management software.The hierarchical storage management software of native system adopts the filing center to realize, comprises storage administration and data migration two parts.
The hierarchical storage management subsystem mainly provides the migration management service of video/audio between online memory block and nearline storage district, and carries out data migration work.
The filing migration server comprises two functional modules:
The mobile sms service module
The mobile sms service module is carried out unified management to online, near line and three storage areas of off-line, is responsible for storage object management, migration strategy management, and data object storage, exchange and maintenance task are finished in the dispatching management of finishing the work simultaneously.
The storage management system function comprises: store tasks scheduling, tactical management etc.
Open form: support the MTF file writing format of Microsoft's standard, the degree of opening height of system
Three grades fault-tolerant: in system's running, any staging error all has corresponding fault tolerant mechanism, guarantees data integrity the continuity of task and reliability
Support program material segmentation readjustment
Significant data protection memory module: allow data in the filing migration, to set up corresponding mirror back-up, make system data more reliable
Storage migration service module
The data transferring module is finished the migration/readjustment of program material near line and online, the control of responsible simultaneously streaming tape storehouse and magnetic tape station under the unified scheduling of mobile sms service.
√ carries out the migration of data: file/move back, operations such as backup/restoration and deletion
Control of √ tape pool manipulator and magnetic tape station control
1.2 the matchmaker support the catalogue the retrieval work station
Catalogue the retrieval work station catalogue index function of video/audio mainly is provided, and provide the login matchmaker to support the function that searching system is carried out media resource system internal story retrieval simultaneously.
1.2.1 catalogue module
The catalogue module is the core link to the data management processing, and the program material that enters media asset management system was only advanced in detail, the index of making a catalogue accurately, could be by query and search, utilization more easily.Cataloging syytem is supported many taxonomic hierarchieses and User Defined catalogue based on the catalogue standard of General Bureau of Radio, Film and Television promulgation, can the existing catalogue standard of compatible user, realize the configurable flexibly of catalogue project.System has extensively introduced the auxiliary automatically catalogue technology of computer, as: extract key frame automatically, catalogue masterplate etc. is provided, alleviated catalogue personnel's labour intensity greatly, make things convenient for the deep excavation of going deep into index and value of program material.
Meet national viewdata catalogue standard, the field of making a catalogue simultaneously can expand and revises according to user's practical business demand; Can browse the video/audio object of low code stream, can browse easily and fast with the frame precision simultaneously and locate, can browse key frame, can put in order and delete key frame, and can extract key frame by hand, but catalogue field structure and catalogue inputting interface flexible configuration, can finish multi-level catalogue based on program layer, slice layer, scene layer, camera lens layer, basic inventory information can extract automatically, and the short cataloging flow process possesses review of a film by the censor mechanism.
1.2.2 retrieval module
Searching system adopts the B/S mode, and being used by WEB provides retrieval service, and client does not need specific software, uses the IE browser can finish the query and search of program material.The full-text search of catalogue field and parameter retrieval are flexibly striden in the support of retrieval client, and the user can propose download request at programs of interest.Because searching system adopts the B/S mode to realize, the retrieval client station uses the common multimedia PC to get final product, and can increase the retrieval work station easily.
◆ support keyword fuzzy search, the retrieval of catalogue field combination;
◆ support systematic searching;
◆ the text retrieval function based on global search technology is provided;
◆ parameter retrieval flexibly and other search function;
◆ work folder, favorite function are provided;
◆ can in browser, play in real time the material that retrieves;
◆ can watch the key frame information of the material that retrieves;
◆ by revising the search method that configuration comes setting individual;
◆ can submit to program material and download application, support to get ready segmentation and download.
1.3 transcoding server
Transcoding server is a core cell of handling the transcoding task, and it obtains the task of distribution by message-oriented middleware.Transcoding server adopts distributed architecture cluster working method to realize the transcoding of high-performance, high stable.
The system design transcoding server is responsible for receiving the transcoding task, realizes work such as video/audio encoding and decoding, file transfer, metadata exchange, can use in each system interconnect, and in industry user's the video transformation applications.Adopt no interface backstage services pattern, carrying out transcoding and taking out frame work after database obtains corresponding task automatically, at last with associated metadata, height code rate data and key frame time-code information are sent to respectively in database and the central store body.
1.4 Core server
1.4.1 database server
Database server: database service mainly is provided, for uploading in the system, make a catalogue, application such as retrieval, data staging storage administration, download provides database service, bears metadata store, the inquiry service of whole network.Utilize the WEB retrieval server as the standby database server.
1.4.2 storage administration migration server
The storage administration migration server mainly provides the migration management service of video/audio between online memory block and nearline storage district, and carries out data migration work.This server comprises two functional modules: mobile sms service module and data transferring module.
The mobile sms service module is carried out unified management to online, near line and three storage areas of off-line, is responsible for storage object management, migration strategy management, and data object storage, exchange and maintenance task are finished in the dispatching management of finishing the work simultaneously.
The data transferring module is finished the migration/readjustment of program material near line and online, the control of responsible simultaneously streaming tape storehouse and magnetic tape station under the unified scheduling of mobile sms service.
1.4.3 system management work station
The system management work station mainly is made up of two big functional modules: supervisor console and Workflow Management.
The software backstage that supervisor console is mainly finished application is provided with, and comprises that user's rights of using, cataloging structure design, catalogue INTERFACE DESIGN etc. directly should have influence on the various settings that system uses, and is similar to the function of control panel among the WINDOWS.The approach that supervisor console provides the modification system to be provided with by C/S operation interface intuitively to the user, avoid user's direct control database and caused system's instability, also reduced the difficulty of system management, made the general network keeper just can carry out regular maintenance and function setting media asset management system by simple training.
The setting of user, role and authority in the √ system;
The √ attribute of making a catalogue, catalogue class and the setting that is subjected to complaint;
The √ Interface Design of making a catalogue;
System's running log record;
The setting of √ software runtime environment variable;
The setting of √ catalogue workflow;
The setting of √ material memory block and storage policy;
Checking of √ store tasks and storage object;
The monitoring and the management of system works flow process mainly finished in Workflow Management, and in media asset management system, a material is from collecting down load application, and what follow is the process settings of a whole set of standard.By following the tracks of the flow nodes of each bar task, administrative staff can easily learn intrasystem load and task function situation, in time investigate problem and assign task and give different staff.In addition, administrative staff can also change the work on hand flow process to increase work efficiency or to improve liability regime according to the needs of actual conditions.
The monitoring of √ flow instance promptly according to the workflow of the actual generation of the good flow process of predefined, is checked the progress and the performance of this flow process;
√ monitors working link actual in each flow process of moving, watches or change the executor of this link;
The √ definition need be finished certain link prerequisite user identity (group);
√ is that different user is set the authority that enters workflow, realizes dual authority setting, guarantees system safety.
2. key technology analysis: media resource system has following key technology:
2.1 it is comprehensively compatible
◆ high/standard definition, multi-format, multi-modulation scheme, multi code Rate of Chinese character are compatible comprehensively
◆ look audio frequency, picture, text, mail, each sort of electronic document integrated management
2.2 maximum flexibility
◆ powerful easy-to-use searching system
● provide full-text search, systematic searching, catalogue field search or the like advanced retrieval mode, self-defined catalogue field also can add search condition at any time, make that from then on user's media asset can be shared in every way easily, sharing degree and sharing efficiency all are largely increased, and then produce benefit at double.
● search interface is customizable, and the retrieval display mode is customizable, adapts to different classes of user's demand comprehensively.
◆ metadata management mode flexibly
● support a plurality of independently metadata structures arbitrarily, Email, picture, courseware, text data can be set up different catalogue objects and catalogue interface, and calm reply " Rich Media " epoch arrive;
● abundant comprehensively catalogue field type is provided, constant, date, enumerate, classification tree, set of properties etc., it is more careful that data is described, more comprehensively;
● support to make things convenient for the further utilization of metadata information with XML output metadata
◆ powerful Object Management group function
● the management mode that content is irrelevant can adapt to the different characteristics of all kinds of data;
● OO way to manage, video-audio program, manuscript, scene photograph, the organic association of related materials, scattered in the past data management is in perfect order now;
◆ flexible easy-to-use personalized customization means
● multi-level self-defined means such as catalogue object type, cataloging structure, catalogue interface, catalogue field, can realize complicated personality customization, also can make " five "W's" of news " and so both have simple list form targetedly, satisfy your individual demand comprehensively; Height can self-defining cataloging syytem, and the index mechanism that the user can be grown out of nothing set up oneself is compatible with the country standard of making a catalogue again simultaneously.From then on fish and bear's paw can get both.
● the metadata structure according to data on file generates corresponding catalogue operation interface automatically, or carries out interface configurations by a graphic interface configuration tool;
● record operation etc. in conjunction with workflow engine realization multinode serialization catalogue
2.3 solid fail safe
◆ carry out the multiple duplication of critical data automatically
Internal system is carried out multiple duplication to critical data automatically, under the situation of machine because problem systems such as network environment are delayed, but the quick recovery system equipment disposition, the recovery system database data guarantees system safety operation
◆ capsule information can be realized " clone " backup by the automatic or manual mode, and back-up system disaster tolerance filing center provides the multiple memory function of program material, but the setting section key data is stored a plurality of backups simultaneously; The system manager is " clone " capsule information by hand also, and the strange land storage guarantees data physical medium safety
◆ perfect rights management mechanism
The unifying user authentication system that system is embedded, support and other application systems of TV station are carried out the unifying user authentication management, and, provide reasonable disposition to user right by detailed authority configuration management function, it is safe and reliable to guarantee that software use, data access and data are used
2.4 it is omnidistance intelligent
◆ intelligent metadata generates: management information generates automatically, and production information writes down transmission automatically, intelligent data association, and the catalogue template easily realizes the series performance catalogue;
◆ the intelligence filing management of moving back: the migration of multiple policy-driven and move back the complete transparent execution of task; The migration task dynamically realizes load balancing between many tape pools, polytape machine, multiserver; The backup of capsule information automatic multi;
◆ intelligent code-transferring: according to flow definition or goal systems call format, system adds the transcoding task automatically, finishes transcoding and transfer of data automatically;
2.5 powerful disposal ability efficiently
◆ server automatic batch backstage policy-driven look audio frequency migration is moved back, far call Ftp transmits automatically, program scheduling in time can reach;
◆ powerful search engine, 150,000 records return result for retrieval 1 second.
2.6 data, metadata input and output utilize quickly and easily
◆ support that file imports, modes such as external system plug-in unit mode is transmitted, the input of workflow task transcoding, long-range Ftp transmission, make things convenient for the various types of programs data rapidly and efficiently entrance management utilize link again;
◆ plug-in unit, XML metadata import, workflow metadata is transmitted number of ways collected metadata information to provide off-line material catalogue, external system to make a catalogue in advance, and catalogue work can generate in the program production process automatically.
2.7 traditional data and digitlization assets integration management
◆ store management and digital material management are closely merged, retrieval-by-unification, and digital program and traditional tape are asked for as required, fully satisfy traditional edit pattern demand
◆ the task of uploading generates automatically, and the program digital realization " is produced " as required, supports inquiry at any time, digitized at any time mode of operation
◆ support tape program catalogue, the unified inquiry of digitized program and traditional tape, digitlization no longer is that data is utilized " bottleneck " again
2.8 it is easy to learn easy-to-use
◆ the user-centered interface design, common function comes into plain view, and is within reach
◆ multiple application such as catalogue, retrieval, workflow monitoring provide C/S and two kinds of implementations of B/S simultaneously, take into account easy-to-use and efficient
◆ management realizes based on the B/S mode that comprehensively tape program inquiry, general editting office's Promgramming, tape circulation control are flexible
◆ transcoding center, filing center are with the method for service running background, and the workflow engine smart allocation is used, and maximization alleviates user's operation
2.9 perfect system is interconnected
Media asset management system must realize and the smooth connection of other operation systems that as the resource center of total system this also is one of Core Feature of media resource system.Media resource system is realized transfer of data between the different business systems by middleware Technology, simple, safety, to original system change little, be easy to realize.
2.10 system management control is centralized and unified
Media resource system self towards asset management also needs management and configuration, and the user often needs to do various adjustment to different software, hardware capability module just can make system's trouble-free operation.The matchmaker supports the centralized management control desk of management system with all administration configuration work unified integrations, and the management of media resource system is no longer complicated.
◆ comprehensive centralized management, control and the configuration of media resource system are provided
◆ user, role and authority are unified configuration, management;
◆ carry out the storage area setting, configuration management store path, storage policy, store tasks;
◆ require catalogue field and catalogue interface are carried out customization operations according to reality, to satisfy different demands;
◆ revise the system controlled speech, increase the User Defined classification, set up classification tree
◆ watch, all kinds of environmental variances of modification system
The 4th pipe joint reason system
Management system mainly realizes the regulatory requirement to intrasystem personnel, equipment, operation system, finishes aspects such as User Status, equipment use, operation system performance are carried out in real time, monitored efficiently.
Multimedia hub configuration several system/network management workstation, be used for realizing: the comprehensive management of user, equipment, business to whole network system, and provide to User Status, equipment use, the efficient monitoring of operation system performance, and generate complicated and diversified data statistics form, guarantee whole network in order, efficiently the operation.The word station hardware platform adopts high PC hardware platform.
Workstation configuration the central-site software for administration of network management system software as Networking Solutions ﹠ provisioned, possess powerful perfect management function.This network management software is based on leading database technology, realized being independent of operating system, is applicable to the way to manage of nonlinear network, and supports the multiple database technology.Utilize database technology can as much as possible guarantee the integrality and the portability of data, as long as guarantee the safety of database server,, also can not cause losing of any data simultaneously even if work station is paralysed.Network management system adopts the data-interface linking scheme by standard, with customer certification system or can provide user's office system of standard data interface to realize slitless connection, therefrom read the management that is provided with that user profile, class information realize user in the network management.
1. general introduction
Network management system software provide to the authentification of user in the whole network, number of the account management, business relations, store path, storage policy, role's configuration, the time segment management, condition monitoring, toll administration, daily record a series of management functions such as check.
● adopt the way to manage of database, support various database types
● can run on any working terminal in the network, way to manage flexibly is provided
● the independent user Verification System, and compatibility to various office network Subscriber Management Systems can be provided
● detailed authority classification, can be at the customized optimal bundle of permissions of different demands
● powerful statistical function, can add up at the classification of differences such as user, equipment, business relations rank, role
● use different colours sign different conditions, various states come into plain view
● the definable period uses and period charge function, but automatic charging
● complete log recording function
● back-level server end message sends
● the constraint of separating system, fully based on data base administration
● all resources centralized managements in the network comprise user, equipment, software, hard disk etc.
● realize certain network bandwidth load balance according to user and column
● the configuration parameter selectivity imports and exports
2. management system is formed
2.1 unifying user authentication system
The unifying user authentication system is that a plurality of service sub-systems for the interface delivery system provide unified subscriber administration interface.Its generation has solved the isolatism between original each service sub-system to a certain extent, conveniently later carries out unified equipment control monitoring, service management, workflow management, for the interconnection and interflow that solves between in-house each operation flow is prepared.
2.2 network management system
Realization is to the comprehensive management of the user in the network, equipment, operation system, and provide to User Status, equipment use, the efficient monitoring of operation system performance.
3. network management system major function
Support several data storehouses such as SQLserver, Oracle.
3.1 unifying user authentication system
◆ customer certification system to organize rank to allow the user to carry out according to the management level level of each mechanism's reality self-defined, the user can adjust the setting of tree class according to own demand, can increase rank or delete rank.
◆ have the preservation parameter function, be used to preserve the parameter of customer certification system, guarantee the integrality of data; When data are destroyed, can use the recovery parameter to carry out the recovery of original data.
◆ any one that can be in user profile, Role Information, three modules of class information added new user, is convenient to the management mode that the user selects oneself to like and carries out user's interpolation and management.
3.2 network management system
◆ perfect derived parameter function: can the data file of network management system be saved as a NET file by demand, recover the setting and the parameter of preserving by " import system parameter " simultaneously, make things convenient for the backup of data.
◆ by " levels of traffic management " leading subscriber, the user can be included in the different business-levels, also a user can be included in a plurality of different stages.
◆ the message sending function, the webmaster personnel can send to message one or more line personnels timely.
◆ powerful remote control function: at system closedown or close the work station that the application program forward direction working and send warning.System is preceding when warning several times, but the work station operate as normal, countdown can appear in last warning, during countdown in, work station will thoroughly be closed and can't carry out any operation.
◆ can carry out self-defined setting to the column attribute, comprise column available hard disk space, material retention time, prepayment information or the like.
◆ can carry out self-defined setting to user property, comprise user's available hard disk space, the configuration of user's path policy, user role configuration, and the setting of user right parameter.
◆ powerful service management function: can carry out unified management to different " business relations rank ".
◆ efficient status monitoring function timely, the equipment that user, user are used, service object's state and path status are monitored in real time.
◆ have performance management function, can monitor, to the service time of every work station equipment state.Use the user to set.
◆ perfect log management function, can check all operations daily record of writing down in the database.
◆ have powerful configuration feature
The 5th joint delivery system
Delivery system is the external interface module of multimedia hub, and manufacturing a finished product of multi-format will be encrypted in this link, and according to the external business demand, carries out relevant issue and push action.
Delivery system is the system that directly faces client terminal in the whole media center, realize of the transmission of various media datas, have one to support the transmission channel to server end of ICP/IP protocol (TCP) just can realize transmission of media data from client as long as guarantee from the server to client end.And TCP/IP is being applied to the every field of transfer of data as the standard transmission protocol of Internet net.So the transmission means of server to client also is multifarious: have traditional Internet wired, the wireless access service; Internet based on satellite communication inserts; Internet based on mobile communication inserts; Various terrestrial microwaves, the access of shortwave; Even comprising existing cable TV network, electric power networks etc. can add the access service of internet.
Because the diversity of Network Transmission, coverage is also quite wide in actual applications but make this system.At first be traditional Web TV, be called IPTV again.Because the Internet net popularizes now, 1Mbit/s, 2Mbit/s, 4Mbit/s can directly register one's residence to the higher network bandwidth, make TV programme can reach other standard definition resolution of broadcasting and TV level 720*576 in conjunction with the high efficiency coded system of my platform, even high definition resolution 1080i, 720P becomes possibility.The user can browse the decoding playout software by the client of system-specific on computers and watch high-quality TV programme.Perhaps connect television set by the set-top box of developing according to the system coding mode (STB), the user just can watch abundant network TV program on domestic television set.The user can select to watch all kinds of real-time programme televised lives, perhaps according to a large amount of request program in the hobby on-demand media storehouse.And because the amphicheirality of network is interactive, the valued added applications service that IPTV can do is very abundant, comprises long-distance education, medical treatment, financial instrument, entertainment interactive program or the like.
Equally based on mobile communication and all kinds of wireless transmission method, all kinds of portable terminals watch that high-quality media program becomes possibility, it at first is emerging medium mobile TV, because the high efficiency of my company's coded system, after cell phone system relative client decoding playout software is installed on the mobile phone, under the low bandwidth of traditional GPRS transmission means (bandwidth during actual transmissions generally at 20kbit/s to about the 40kbit/s), can watch smooth media program equally, and after popularizing to 3G (3G (Third Generation) Moblie), after transmission bandwidth improved, the user just can watch media program more clearly.Except mobile TV, system can be applied on other the professional wireless medium terminal equally: palmtop PC PDA, GPS navigation has the CD that network connects, DVD player, MP3 or the like.In conjunction with my company perfect coded system and transmission system, these portable terminals can be realized high efficiency, high-quality media transmission.
Except general individual, domestic. applications.This system can well be applied on the external media of various commerce equally.Such as traditional building medium, the electrical outdoor sub-screen can be abandoned the mode of old-fashioned replacing file, becomes real-time Network Transmission, greatly facilitates program updating and switching controls.Same a lot of billboard, Ads on Vehicles, counter card or the like, if these static image media are in the coverage of wired or wireless network, can become dynamic Internet video form, the amount of information of feasible advertisement, Attraction Degree strengthens greatly.
These all application platforms can exist as a system separately: the corresponding corresponding media of concrete medium customers.Perhaps also can a plurality of application platforms as a global existence: shared source of media is applied to the customers of various media, it is difference according to media, different with customers, need corresponding different encoding compression code check and different transmission meanss, and respective server is installed different service function software.My HVMT system of company can create personalized, high efficiency, high-quality media services platform according to various concrete demands of applications.
Claims (1)
1. a digital multimedia information transmission platform comprises acceptance system, manufacturing system, media resource system, management system, delivery system; It is characterized in that:
Described acceptance system is included acquisition system by control appliance, outer net material reception server and extraneous signal, studio signal, tape material and is formed, extraneous signal, studio signal, tape material include acquisition system by video/audio matrix module, many pictures monitor module, include server, include and compile single work station, include the Control work station, include management work station and form;
The video/audio matrix module realizes centralized and unified scheduling and the management to extraneous signal, studio signal, video tape signal;
Many pictures monitor module is realized supervising in real time all extraneous signals and tape signal;
Include server and have the excuse of HD-SDI numeral, SDI digital interface, compound component, analog interface, ASI look audio interface, are used to realize the broadcast level signals collecting;
Include and compile single work station and be used for realizing including programme reservation layout, the general parameter that is provided with in can calling system, the circulation of support time is provided with, and supports to include the function that programme imports from the execl table; The modify feature of programme is included in support; Preserved program list audit function is included in support; Support to add backup tasks;
Include the Control work station and be used to realize Task Distribution and control route, include the Control work station and connect video/audio matrix system, VTR, video server by serial port protocol, connect switch and other work station UNICOM by Ethernet simultaneously, when other work station needs dispatch matrix, VTR, video server, carry out protocol conversion and order forwarding by the Control work station;
Including the management work station major function is general parameter setting in the realization system, equipment disposition monitoring, unifying user authentication and task data management;
Outer net material reception server is realized telecommunication network, the reception of outer net materials such as each subservice system, the Internet, an approach that obtains as the resource material; The outer net material enters behind the material reception server through a series of automatic viral detections, information checking, cryptographic check, automatically behind the QC supervisor, and the material that is identified will advance the Intranet of multimedia hub automatically;
Control appliance is used for controlling video/audio matrix module, player, finish signal dispatching, simultaneously the acquisition system of including of extraneous signal, studio signal, tape material is sent acquisition instructions, the acquisition system of including of extraneous signal, studio signal, tape material is accepted instruction, and required program is included/collected in the central store body;
Described manufacturing system is made up of editing saving system, program auditing system, backstage packing synthesis system, explorer;
The editing saving system provides professional editing saving to make function, and comprise functions such as video-audio program makings, captions making, picture editor, packing be synthetic: can receive the CML workflow task, controlled procedure is managed; Support is accurate to the editting function of frame, support 2 layers of real-time edition, support the roll screen captions to add 1 layer of real-time edition, support MPEG-2, DV25, DV50 format editing, support the multi-format shuffling of different code check files simultaneously, finish the audio frequency of supporting to comprise forms such as WMV, Wave, MP3, MEPG-1Layer2 and CDTrack, can realize complicated captions, hundreds of special effects, by adopting the CPU+GPU technology, make software have the complicated editor of code stream processing capability in real time, that supports the multiple form of high SD looks the audio mix editing, accomplishes high SD compatibility fully; Embedded powerful diagram text manufacture system provides complete diagram text manufacture instrument, can make of the IPTV placard; Function made in multilingual captions, comprises simplified, traditional font translation function, and English is dubbed etc.; The audio frequency special effect processing plug-in unit that system is built-in is easily realized the audio effect editor;
The program auditing system is finished the review of a film by the censor of specialized network program, and automatic reception CML examines task, obtains the pending trial programme content; Provide soon put, put slowly, the accurate function of location, index, improve review efficiency, support to look the automatic skill of audio frequency and examine function, detect problems such as Hei Chang, folder frame, snowflake field automatically, and identify the problem period, remind the reviser, support the automatic amplitude limit of audio frequency, under the prerequisite of not losing sound quality, guarantee that the audio amplitude of program meets the demands, the Electronic Signature function of safety, can write down audit opinion, identify defective fragment, the examination record can carry out record by voice, and passes to the reviser;
Backstage packing synthesis system is made of the background server cluster, be responsible for broadcasting version and synthesize the function of waiting to broadcast file fast, Multi-task Concurrency is synthetic, supports all two dimensions, three-dimensional, captions special efficacy, can be output into the file destination of multiple form simultaneously, support H.264 directly to generate;
Explorer is managed efficiently to resource, explorer has used the advanced technology based on database platform, by unified management to resource, make any website in network, all can shared network resource by the explorer window, explorer is the powerful tool for a series of resources such as the managing video that the user provides, audio frequency, picture and text, broadcast unit; Improve stability, fail safe and the service speed of resource management greatly, adapted to the development need of information system networking;
Explorer is video file by the acquisition function that system carries with signal source collections such as video tape, DVD, entering explorer manages, support is looked audio interface from analog composite, analogue component, S-Video, SDI, analogue audio frequency, digital audio etc. and is imported audiovisual information, and supports simultaneously to import the Miscellaneous Documents material from IT interfaces such as USB2.0, IEEE1394, gigabit ethernet interface, built-in DVD CD-ROM drives;
Support any compressed format video file, comprising: video format: DV25, DVSD, DV50, MPEG2-I, MPEG-2IBP, MPEG4, H.264, non-compression standard definition video, audio format: PCM-16bit-48KHZ, embedded audio file: MPEG4, WMA, picture format: TGA, JPG, BMP, TIF, animated format: DYM, FLC, and support multiple formatted file: AVI, MPG, DAT, RM, WMV, TS, ACC;
Described media resource system by the matchmaker support catalogue retrieval work station, transcoding server, database server, storage administration migration server, system management work station form; The matchmaker support catalogue the retrieval work station comprise catalogue module and retrieval module;
Described catalogue module is supported many taxonomic hierarchieses and User Defined catalogue, can the existing catalogue standard of compatible user, realize the configurable flexibly of catalogue project; System has extensively introduced the auxiliary automatically catalogue technology of computer, extracts key frame automatically, the catalogue masterplate is provided, and makes things convenient for the deep excavation of going deep into index and value of program material;
Can browse the video/audio object of low code stream, can browse easily and fast with the frame precision simultaneously and locate, can browse key frame, can put in order and delete key frame, and can extract key frame by hand, but catalogue field structure and catalogue inputting interface flexible configuration, can finish multi-level catalogue based on program layer, slice layer, scene layer, camera lens layer, basic inventory information can extract automatically, and the short cataloging flow process possesses review of a film by the censor mechanism;
Described retrieval module adopts the B/S mode, and being used by WEB provides retrieval service, and client uses the IE browser can finish the query and search of program material; The full-text search of catalogue field and parameter retrieval are flexibly striden in the support of retrieval client, and the user can propose download request at programs of interest; Because searching system adopts the B/S mode to realize, the retrieval client station uses the common multimedia PC to get final product, and can increase the retrieval work station easily; Retrieval module is supported keyword fuzzy search, the retrieval of catalogue field combination; Support systematic searching; Text retrieval function based on global search technology is provided; Parameter retrieval flexibly and other search function; Work folder, favorite function are provided; Can in browser, play in real time the material that retrieves; Can watch the key frame information of the material that retrieves; By revising the search method that configuration comes setting individual; Can submit to program material and download application, support to get ready segmentation and download;
Described transcoding server is a core cell of handling the transcoding task, and it obtains the task of distribution by message-oriented middleware; Transcoding server adopts distributed architecture cluster working method to realize the transcoding of high-performance, high stable;
Transcoding server is responsible for receiving the transcoding task, realizes work such as video/audio encoding and decoding, file transfer, metadata exchange, can use in each system interconnect, and in industry user's the video transformation applications; Adopt no interface backstage services pattern, carrying out transcoding and taking out frame work after database obtains corresponding task automatically, at last with associated metadata, height code rate data and key frame time-code information are sent to respectively in database and the central store body;
Described database server mainly provides database service, for uploading in the system, make a catalogue, application such as retrieval, data staging storage administration, download provides database service, bears metadata store, the inquiry service of whole network; Utilize the WEB retrieval server as the standby database server;
Described storage administration migration server mainly provides the migration management service of video/audio between online memory block and nearline storage district, and carries out data migration work; This storage administration migration server comprises two functional modules: mobile sms service module and data transferring module;
Described mobile sms service module is carried out unified management to online, near line and three storage areas of off-line, is responsible for storage object management, migration strategy management, and data object storage, exchange and maintenance task are finished in the dispatching management of finishing the work simultaneously;
Described data transferring module is finished the migration/readjustment of program material near line and online, the control of responsible simultaneously streaming tape storehouse and magnetic tape station under the unified scheduling of mobile sms service module;
Described system management work station is made up of supervisor console and Workflow Management module;
The software backstage that supervisor console is mainly finished application is provided with, and comprises that user's rights of using, cataloging structure design, catalogue INTERFACE DESIGN etc. directly should have influence on the various settings that system uses, and is similar to the function of control panel among the WINDOWS; The approach that supervisor console provides the modification system to be provided with by C/S operation interface intuitively to the user, avoid user's direct control database and caused system's instability, also reduced the difficulty of system management, made the general network keeper just can carry out regular maintenance and function setting media asset management system by simple training; The setting of user, role and authority in the system; The catalogue attribute, catalogue class and the setting that is subjected to complaint; The catalogue Interface Design; System's running log record; The setting of software runtime environment variable; The setting of catalogue workflow; The setting of material memory block and storage policy; Checking of store tasks and storage object;
The Workflow Management module is mainly finished the monitoring and the management of system works flow process, according to the workflow of the actual generation of the good flow process of predefined, checks the progress and the performance of this flow process; Monitor working link actual in each flow process of moving, watch or change the executor of this link; Definition need be finished the prerequisite user identity of certain link; Set the authority that enters workflow for different user, realize dual authority setting, guarantee system safety;
Described management system is made up of unifying user authentication system, network management system;
The unifying user authentication system is that a plurality of service sub-systems for delivery system provide unified subscriber administration interface; The unifying user authentication system to organize rank to allow the user to carry out according to the management level level of each mechanism's reality self-defined, the user can adjust the setting of tree class according to own demand, can increase rank or delete rank; Have the preservation parameter function, be used to preserve the parameter of customer certification system, guarantee the integrality of data; When data are destroyed, can use the recovery parameter to carry out the recovery of original data;
Any one that can be in user profile, Role Information, three modules of class information added new user, is convenient to the management mode that the user selects oneself to like and carries out user's interpolation and management;
Network management system realizes the comprehensive management to the user in the network, equipment, operation system, and the efficient monitoring to User Status, equipment use, operation system performance is provided;
Network management system is user management, equipment control, and statistical management, service management and workflow management are dissolved into together; Support several data storehouses such as SQLserver, Oracle; Real international kernel can be supported multi-lingual simultaneously; Can run on any working terminal in the network, way to manage flexibly is provided; Can smoothly link with each network submodular etc., powerful hard core control function is provided, can carry out unified centralized management to in-house personnel, and make the functional localization of business management system more clear and definite clear;
Network management system has perfect derived parameter function: can the data file of network management system be saved as a NET file by demand, recover the setting and the parameter of preservation simultaneously by " import system parameter ", make things convenient for the backup of data, by " levels of traffic management " leading subscriber, the user can be included in the different business-levels, also a user can be included in a plurality of different stages;
Network management system has the message sending function, and the webmaster personnel can send to message one or more line personnels, powerful remote control function timely: at system closedown or close the work station that the application program forward direction working and send warning; System is preceding when warning several times, but the work station operate as normal, countdown can appear in last warning, during countdown in, work station will thoroughly be closed and can't carry out any operation;
Can carry out self-defined setting to the column attribute, comprise column available hard disk space, material retention time, prepayment information;
Can carry out self-defined setting to user property, comprise user's available hard disk space, the configuration of user's path policy, user role configuration, and the setting of user right parameter;
Powerful service management function: can carry out unified management to different " business relations rank ";
Efficient status monitoring function timely, the equipment that user, user are used, service object's state and path status are monitored in real time;
Have performance management function, can monitor,, use the user to set the service time of every work station to equipment state;
Perfect log management function can be checked all operations daily record of writing down in the database;
Described delivery system is the external interface module of multimedia hub, and manufacturing a finished product of multi-format will be encrypted in this link, and according to the external business demand, carries out relevant issue and push action;
Delivery system is the system that directly faces client terminal in the whole media center, realize of the transmission of various media datas, have one to support the transmission channel to server end of ICP/IP protocol (TCP) just can realize transmission of media data from client as long as guarantee from the server to client end; And TCP/IP has been applied to the every field of transfer of data as the standard transmission protocol of Internet net; So the transmission means of server to client also is multifarious: have traditional Internet wired, the wireless access service; Internet based on satellite communication inserts; Internet based on mobile communication inserts; Various terrestrial microwaves, the access of shortwave; Even comprising existing cable TV network, electric power networks etc. can add the access service of internet.
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| CN200910077043A CN101783873A (en) | 2009-01-19 | 2009-01-19 | Digital multimedia information transmission platform |
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| CN200910077043A CN101783873A (en) | 2009-01-19 | 2009-01-19 | Digital multimedia information transmission platform |
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