CN104580834A - Cloud broadcast system, blending broadcast system and cloud broadcast method - Google Patents
Cloud broadcast system, blending broadcast system and cloud broadcast method Download PDFInfo
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Abstract
The invention discloses a cloud broadcast system, a blending broadcast system and a cloud broadcast method. The cloud broadcast system comprises a cloud server and a local broadcast system; the cloud server is used for generating a broadcast program list, preparing program materials, and sending the program materials and broadcast control data to the local broadcast system; the local broadcast system receives the program materials and the broadcast control data from the cloud server and controls local equipment to finish broadcast work according to the broadcast control data. The preparation of the larger cost-consumable program materials is moved into the cloud sever by the cloud broadcast system, the blending system and the cloud broadcast method, by using the powerful cloud computing capacity and the cloud storage capacity, while the input of a TV station is reduced, the work efficiency is improved; meanwhile, the preparation work of the program list is put onto the cloud server to facilitate multipoint cooperating operation. Compared with the prior art, the cloud broadcast system, the blending system and the cloud broadcast method have the advantages that the construction cost is low, the construction cycle is short, and the operation, the maintenance and the upgrade are easy.
Description
Technical field
The present invention relates to radio and television and broadcast control technology field, be specifically related to a kind of cloud broadcast system, mixing broadcast system and cloud broadcasting method.
Background technology
Preparation before the program broadcast work of TV station is divided into broadcast and the broadcast in broadcast process control two parts.
Preparation before broadcast can be divided into two main lines, and one is metadata aspect, can be understood as the set-up procedure of programme; Article one, be physical data aspect, the namely set-up procedure of video server material.
Metadata aspect, actual is filling on a timeline, namely full material is filled in programme on a timeline.This process is actual is a complicated process, from the broadcast plan in annual platform, (this plan may only have period information, such as 7 o'clock to 8 o'clock evening position information slot, 8 o'clock is the TV play period to 9 thirty, 9 thirty to 11 for managing the column period by oneself ...), to broadcasting Ji Dan (the inside specify that the broadcast season of a column or TV play arranges), (generally all programs can be arrived in detail to Zhou Dan, just advertisement or the period, not clear and definite concrete ad entry), (layout of all programs is completed to day Series Sheet, physics material in the corresponding video server of each program), broadcast controller finally loads a day Series Sheet and completes broadcast.
Physical data aspect is the set-up procedure of a material, comprise manage program by oneself shooting, editor, the buying of the outsourcing programs such as TV play, this locality is uploaded.Finally will by all material digitlizations in the memory of broadcast system, the work that also may comprise afterwards: material transcoding, is converted to server format by material; Material skill is examined, and by algorithm, whether examination material has problem; Material is compiled soon, and by part ad material, packing synthesizes an ad break material ...These work are cooperated and has met the material that server broadcasts requirement.And the work such as the coding that in this flow process, transcoding, skill are examined, the process such as volume relates to material soon, decoding, multiplexing, demultiplexing, compare the physical resource of consumption calculations machine.
On-line Control in broadcast process, generally includes and broadcasts controller and video server and some auxiliary equipment.Wherein, the material for all kinds of video frequency programs broadcasted is had in video server.Broadcast in controller broadcast day Series Sheet (also title job order or the programme having and edited, the namely result of above-mentioned metadata aspect preparation), have the ID of broadcast items in programme, the ID in programme is corresponding with the program (result of the set-up procedure of above-mentioned physics material) in video server.Broadcast controller controls video server decoding channels according to this program ID, also control the auxiliary equipment such as station symbol generating apparatus, caption generation device, signal syntheses, signal switching simultaneously, the information such as station symbol, captions is synthesized to inside vision signal, has coordinated final broadcasting signal to export.
Aforesaid broadcast programme contains task that have sequential logic, that come by multiple equipment, and logic described here mainly refers to that some intercut (such as breaking for commercialsy in TV play), follows (B program is followed and broadcasted at A program subsequent) and fixed position rate (in TV play breaking news) etc.; Except comprising the task that material broadcasts in programme, also comprise the task of other equipment such as station symbol, captions etc., for the example of captions, after certain program starts broadcasting a time, every the b time, last captions, continue c time span.Broadcasting controller needs these logical analysis, and final result is, in certain particular moment, sends to certain task of certain particular device, logically, for each equipment, finally all resolves to the task list of a timing.In the present invention, by this timed task list for single equipment, atomic task queue is defined as.
For preventing virus, accident, disaster etc., for important channel, there is the demand of building remote backup broadcast system, isomery broadcast system, namely requiring backup and broadcasting channel in different places, using different operating system to broadcast as backup.
Build independent broadcast channel, need video server, storage, control machine, video and audio professional equipment, cable etc., drop into larger.Channel is broadcasted in the backup in strange land, also will relate to the problem such as material, programme transmission.
Summary of the invention
The technical problem to be solved in the present invention is, for the deficiencies in the prior art, a kind of cloud broadcast system, mixing broadcast system and cloud broadcasting method are provided, effectively utilize the calculating of cloud computing, storage capacity, use Cloud Server, complete the work of broadcasting the preparatory stage, reduce the input of TV station, and increase work efficiency, also broadcast for remote backup and provide strong support.
For solving the problems of the technologies described above, according to an aspect of the present invention, the invention provides a kind of cloud broadcast system, wherein, comprising Cloud Server and local broadcast system;
Described Cloud Server for the formation of broadcast items list, reorganize and outfit program material, and by program material and broadcast control data send to local broadcast system;
Described local broadcast system is from described cloud server program material and broadcast control data, controls local device complete broadcast work according to described broadcast control data.
Preferably, the described Cloud Server in the present invention comprises:
Database, for stores program material information, the metadata informations such as programme;
Memory cell, for stores program material;
Programme editor subsystem, for completing the editor of programme;
Material reorganizes and outfit subsystem, for completing reorganizing and outfit of various material;
Content disposal subsystem, for controlling the scheduling of program material in Cloud Server and the renewal of database record information;
Data-interface, for exporting outside Cloud Server or input data in server, described data are specially material or programme.
Preferably, in cloud broadcast system of the present invention, described local broadcast system comprises local Broadcast Control device, and it communicates with described Cloud Server, receive that described Cloud Server sends, as broadcasting the broadcast items list of control data; The broadcast of program is completed according to broadcast items single control local device.
Preferably, in cloud broadcast system of the present invention, described Cloud Server also comprises cloud Broadcast Control subsystem, and it is for parsing atomic task queue according to broadcast items list, and described atomic task queue is sent to local broadcast system; Now, described local broadcast system comprises local control device, and it communicates with described Cloud Server, receive Cloud Server send, as broadcast control data atomic task queue; The broadcast of program is completed according to atomic task control of queue local device.
According to a further aspect in the invention, the invention provides a kind of mixing broadcast system, comprise main broadcaster's system, standby broadcast system, pad broadcast system and signal switching apparatus, wherein according to above-mentioned arbitrary described cloud broadcast system as at least one in main broadcaster's system, standby broadcast system and pad broadcast system, the signal that described signal switching apparatus one of selects main broadcaster's system, standby broadcast system and pad broadcast system to export is as broadcasting signal.According to the technical program, when main broadcaster's system, standby broadcast system or pad broadcast system adopt preceding solution, conveniently realize strange land to broadcast, some machine rooms with basic playing device all can complete broadcast work, not by the impact that this locality produces due to virus, accident etc.Also convenient realization adopts the operating system being different from other broadcast systems, and namely isomery broadcasts.
According to a third aspect of the invention we, the invention provides a kind of cloud broadcast system, comprise Cloud Server, for the formation of broadcast items list, reorganize and outfit program material, and according to broadcast items list, corresponding program material is processed into TS stream, is pushed to assigned ip address.By the technical program, IPTV can be realized easily and broadcast.
According to a forth aspect of the invention, the invention provides a kind of cloud broadcasting method, comprise the following steps:
Reorganizing and outfit of program material and broadcast items list is completed in Cloud Server;
Described Cloud Server sends program material and broadcasts control data to this locality;
Local broadcast system receives described program material and broadcasts control data, and completes broadcast work according to described broadcast control data control local device.
Preferably, in cloud broadcasting method of the present invention, described broadcast control data is broadcast items list;
When the data that described local broadcast system receives are broadcast items list, local broadcast system loads described broadcast items list, completes broadcast work according to the corresponding local device of described broadcast items single control system.
Preferably, in cloud broadcasting method of the present invention, before described Cloud Server sends broadcast control data to this locality, described Cloud Server is resolved described broadcast items list and is generated broadcast task list, using described broadcast task list as broadcast control data;
When the broadcast control data that described local broadcast system receives is for broadcasting task list, controls corresponding local device according to described broadcast task list and completing broadcast work.
Programme larger for cost and reorganizing and outfit of program material move on in Cloud Server by the present invention, utilize powerful cloud computing, cloud storage capacity, while minimizing TV station drops into, improve operating efficiency.Relative to prior art, construction cost of the present invention is low, the construction period is short, be easy to operation maintenance, upgrading.In addition, if using the present invention as standby broadcast system, conveniently realize isomery broadcast, strange land broadcast.Further, require very low to operating personnel and position, the machine room substantially possessing network condition and necessary video equipment can complete.
Accompanying drawing explanation
By referring to the description of accompanying drawing to the embodiment of the present invention, above-mentioned and other objects of the present invention, feature and advantage will be more clear, in the accompanying drawings:
Fig. 1 is the overall structure schematic diagram of cloud broadcast system of the present invention;
Fig. 2 is cloud broadcasting method flow chart of the present invention;
Fig. 3 is the structural representation of Cloud Server in embodiment one;
Fig. 4 is the structural representation of local broadcast system in embodiment one;
The cloud broadcasting method flow chart that Fig. 5 is structure shown in composition graphs 3, Fig. 4;
Fig. 6 is the structural representation of Cloud Server in embodiment two;
Fig. 7 is the structural representation of local broadcast system in embodiment two;
Fig. 8 is the cloud broadcasting method flow chart of structure shown in composition graphs 6 Fig. 7;
Fig. 9 be mix in embodiment three broadcast system structural representation.
Embodiment
As shown in Figure 1, Fig. 1 is the overall structure schematic diagram of cloud broadcast system of the present invention.Cloud broadcast system of the present invention comprises Cloud Server 1 and local broadcast system 2, described Cloud Server for the formation of broadcast items list, reorganize and outfit program material, and by program material and broadcast control data send to local broadcast system 2; Described local broadcast system 2 is from described Cloud Server 1 program receiving material and broadcast control data, controls local device complete the broadcast just of described program element according to described broadcast control data.
Fig. 2 is the cloud broadcasting method flow chart based on cloud broadcast system described in Fig. 1, and composition graphs 1 and Fig. 2, be described as follows cloud broadcasting method:
Step S1, completes reorganizing and outfit of program material and broadcast items list in Cloud Server;
Step S2, described Cloud Server sends program material and broadcasts control data to this locality;
The local broadcast system of step S3 receives described program material and broadcasts control data, and completes broadcast work according to described broadcast control data control local device.
In the present invention, in publicly-owned cloud or privately owned cloud, dispose Cloud Server, and complete the preparation of programme and program material at Cloud Server.By program material and broadcast control data, as programme or broadcast task list send local broadcast system to, complete the broadcast work to this program by local broadcast system.
Wherein, publicly-owned cloud (or the privately owned cloud) platforms such as similar Ali, Amazon can be rented during concrete enforcement.Network special line bandwidth is optionally rented by TV station, ensures that TV station is unimpeded with communicating of publicly-owned cloud (or privately owned cloud) platform.
Embodiment one:
The concrete structure of Cloud Server of the present invention is as shown in Figure 3:
Described Cloud Server comprises memory cell 101, for stores program material; Database 102, for metadata informations such as stores program material, broadcast items lists; Material reorganizes and outfit subsystem 103, comprises the software such as transcoding, skill careful, fast volume, advertisement paragraph editor, for completing reorganizing and outfit of various material; Programme editor subsystem 104, for completing the editor of programme; Content disposal subsystem 105, for controlling the scheduling of program material in Cloud Server and the renewal of database record information; Data-interface 106, for exporting or input data in server outside Cloud Server.On the one hand, by this data-interface 106, material is uploaded to Cloud Server from this locality.By material stored in memory cell 101 in time, register material metadata information to database 102; Other direction, can derive material and transmission broadcast control data by this data-interface 106 to this locality, while derivation material, provide the metadata information of the material in database.In the present embodiment, broadcasting control data is broadcast items list.
By the co-ordination of above each subsystem, the programme at ordinary times in TV station and material are reorganized and outfit to be operated on Cloud Server complete.Its advantage is, effectively utilizes the calculating of Cloud Server, storage capacity, reduces local construction and drops into.And automatically enjoy cloud computing and can quantize, the inherent advantages such as elasticity deployment.
The concrete structure of the local broadcast system corresponding with Fig. 3 as shown in Figure 4.
Described local broadcast system comprises: local Broadcast Control device 21, communicated by data-interface 106 with described Cloud Server 1, receive the various data that Cloud Server 1 sends, comprise program material and broadcast items list, program material is stored in home video servers 3, local device is controlled, as other equipment such as home video servers 3, station caption machine 4, film titler 5 complete the broadcast of program according to broadcast items list.
Based on Fig. 3, Fig. 4, cloud broadcasting method flow chart of the present invention as shown in Figure 5.
Step S101, completes reorganizing and outfit of program material and broadcast items list in Cloud Server 1;
Step S102, described Cloud Server 1 sends program material and broadcast items list to this locality;
Step S103, local Broadcast Control device 21 receives described program material and broadcast items list, and is stored in home video servers 3 by described program element;
Step S104, local Broadcast Control device 21 loads broadcast items list;
Step S105, local Broadcast Control device 21 is according to described broadcast items single control local device, and as home video servers 3, station caption machine 4 or film titler 5 etc. complete broadcast work jointly.
In the present embodiment, broadcast items patrilineal line of descent with only one son in each generation is directly passed to this locality by Cloud Server, and this locality is furnished with broadcast control device, loads described broadcast items list, and the material controlled on video server broadcasts, and controls the broadcast that other equipment complete final program simultaneously.Be stranded this, the present embodiment logic is simple, and Cloud Server completes to be reorganized and outfit, local broadcast, clear logic.
Embodiment two:
Fig. 6 is another structural representation of Cloud Server in embodiment two.In the present embodiment, most of structure of Cloud Server is identical with the Cloud Server in embodiment one, comprise draw together memory cell 111, database 112, material reorganize and outfit subsystem 113, programme editor subsystem 114, content disposal subsystem 115, data-interface 116, difference is, described Cloud Server also comprises cloud Broadcast Control subsystem 117.
Cloud Broadcast Control subsystem 117 in the present embodiment obtains broadcast items list in 112 from database, and parses the atomic task queue finally needed by each local device.Cloud Broadcast Control subsystem 117 is also connected with programme editor subsystem 114, for when database breaks down, obtains broadcast items list from programme editor subsystem 114.Thus ensure that the safety of broadcast task is carried out.
After obtaining atomic task queue, described atomic task queue is sent to local broadcast system by data-interface 116 by cloud Broadcast Control subsystem 117.Now, local broadcast system no longer needs to load programme, parse atomic task queue, only need according to each equipment work of atomic task control of queue.Fig. 7 is the concrete structure schematic diagram of local broadcast system in the present embodiment.In the present embodiment, local broadcast system 2 comprises local control device 22, and it does not reload, resolve programme, and the atomic task queue of each local device directly using Cloud Server to send is to control corresponding equipment.
Figure is the 8 cloud broadcasting method flow charts that are structure shown in composition graphs 6 Fig. 7, specific as follows:
Step S111, completes reorganizing and outfit of program material and broadcast items list in Cloud Server 1;
Step S112, Cloud Server is by resolving the task queue of described broadcast items list Generation of atoms;
Step S113, described Cloud Server 1 sends program material and atomic task queue to this locality;
Step S114, local control device 22 receives described program material and atomic task queue, and is stored in home video servers 3 by described program element;
Step S115, local control device 22 according to described atomic task control of queue local device, as home video servers 3, station caption machine 4 or film titler 5 etc. complete broadcast work.
In step sl 15, two kinds of modes can be had to realize local control device 22 control local device and complete broadcast.One, local control device 22 stores described atomic task queue, i.e. the task list of each equipment, and corresponding local device is given in local control device 22 timed sending control information, as film titler, makes its work.Its two, in each local device, arrange control program, this control device 22 sends its respective task list to each local device, and each equipment is according to the task list timing working received.
In the present embodiment, in Cloud Server, be deployed with Broadcast Control subsystem, after loading programme, decomposite atomic task queue, and be sent to this locality in the form of a table.Local control device no longer needs Broadcast Control program, only according to this atomic task queue, need control corresponding equipment.The present embodiment not only completes and reorganizes and outfit in cloud, also will broadcast the timed task list that Task-decomposing is each equipment, and simplify local broadcast program, decrease the dependence between local broadcast program and each task.
Embodiment three:
The present invention in technique scheme substantially, additionally provides a kind of mixing broadcast system, as shown in Figure 9.Mixing broadcast system comprises main broadcaster's system 10, first for broadcast system 20, second for broadcast system 30 and pad broadcast system 40, the signal that each system exports all outputs in signal switching apparatus 6, selects which signal in said system as broadcasting signal by described signal switching apparatus 5.Wherein, main broadcaster's system 10, first can adopt any one in aforementioned schemes for broadcast system 20, second for broadcast system 30 and pad broadcast system 40.Such as, when first is the technical scheme of previous embodiment one or two for broadcast system 20, achieving strange land for broadcasting, making standby broadcast system not by local impact, effectively ensure that broadcast safety.In addition, first also can use for broadcast system the operating system being different from main broadcaster's system, thus realizes isomery broadcast, meets the demand to different broadcast system.
Embodiment four:
In the present embodiment, cloud broadcast system provided by the invention can as the broadcast system of IPTV, and wherein, Cloud Server 1 can adopt being flowed by each program material packing generation TS according to the order of programme described in embodiment two, and order is pushed to assigned ip address, namely completes broadcast work.
Relative to prior art, the present invention is improved a lot in construction cost, construction period, operation maintenance, upgrading, safety etc.In addition, if using the present invention as standby broadcast system, conveniently realize isomery and broadcast, strange land is broadcasted.
According to embodiments of the invention as described above, these embodiments do not have all details of detailed descriptionthe, do not limit the specific embodiment that this invention is only described yet.Obviously, according to above description, can make many modifications and variations.This specification is chosen and is specifically described these embodiments, is to explain principle of the present invention and practical application better, thus makes art technical staff that the present invention and the amendment on basis of the present invention can be utilized well to use.The scope that protection scope of the present invention should define with the claims in the present invention is as the criterion.
Claims (9)
1. a cloud broadcast system, wherein, comprises Cloud Server and local broadcast system;
Described Cloud Server for the formation of broadcast items list, reorganize and outfit program material, and by program material and broadcast control data send to local broadcast system;
Described local broadcast system is from described cloud server program material and broadcast control data, controls according to described broadcast control data the broadcast that local device completes described program material.
2. cloud broadcast system as claimed in claim 1, wherein, described Cloud Server comprises:
Database, for storing the metadata information of related program material and programme;
Memory cell, for stores program material;
Programme editor subsystem, for completing the editor of programme;
Material reorganizes and outfit subsystem, for completing reorganizing and outfit of various material;
Content disposal subsystem, for controlling the scheduling of program material in Cloud Server and the renewal of database record information;
Data-interface, for exporting or input data in Cloud Server outside Cloud Server.
3. cloud broadcast system as claimed in claim 1 or 2, wherein, described local broadcast system comprises local Broadcast Control device, and it communicates with described Cloud Server, receive that described Cloud Server sends, as the broadcast items list of broadcast control data; The broadcast of program is completed according to broadcast items single control local device.
4. cloud broadcast system as claimed in claim 1 or 2, wherein, described Cloud Server also comprises cloud Broadcast Control subsystem, and it parses atomic task queue according to broadcast items list, and described atomic task queue is sent to local broadcast system;
Described local broadcast system comprises local control device, and it communicates with described Cloud Server, receive Cloud Server send, as broadcast control data atomic task queue; The broadcast of program is completed according to atomic task control of queue local device.
5. a mixing broadcast system, comprise main broadcaster's system, standby broadcast system, pad broadcast system and signal switching apparatus, wherein, cloud broadcast system according to any one of Claims 1-4 is as main broadcaster's system, at least one in broadcast system and pad broadcast system, and the signal of described signal switching apparatus selection main broadcaster system, one of standby broadcast system and the output of pad broadcast system is as broadcasting signal.
6. a cloud broadcast system, wherein, comprises Cloud Server, for the formation of broadcast items list, reorganizes and outfit program material, and according to broadcast items list, corresponding program material is processed into TS stream, is pushed to assigned ip address.
7. a cloud broadcasting method, wherein, comprises the following steps:
Reorganizing and outfit of program material and broadcast items list is completed in Cloud Server;
Described Cloud Server sends program material and broadcasts control data to this locality;
Local broadcast system receives described program material and broadcasts control data, and completes broadcast work according to described broadcast control data control local device.
8. cloud broadcasting method as claimed in claim 7, wherein, described broadcast control data is broadcast items list;
When the broadcast control data that described local broadcast system receives is broadcast items list, local broadcast system loads described broadcast items list, completes broadcast work according to the corresponding local device of described broadcast items single control system.
9. cloud broadcasting method as claimed in claim 7, wherein, before described Cloud Server sends broadcast control data to this locality, described Cloud Server resolves the task queue of described broadcast items list Generation of atoms, using described atomic task queue as broadcast control data;
When the broadcast control data that described local broadcast system receives is atomic task queue, complete broadcast work according to the corresponding local device of described atomic task control of queue.
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| CN104580834B (en) | 2018-03-13 |
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