CN101742199A - Recorded broadcast workstation system - Google Patents
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- CN101742199A CN101742199A CN 200910217158 CN200910217158A CN101742199A CN 101742199 A CN101742199 A CN 101742199A CN 200910217158 CN200910217158 CN 200910217158 CN 200910217158 A CN200910217158 A CN 200910217158A CN 101742199 A CN101742199 A CN 101742199A
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Abstract
The invention relates to a recorded broadcast workstation system comprising an acquisition module, a storage module, a multimedia processing module and a coding module, wherein the acquisition module is used for receiving multimedia signals acquired by acquisition equipment; the storage module is used for storing the acquired multimedia signals; the multimedia processing module is used for coding the multimedia signals from the acquisition module; and the coding module is used for coding data from the multimedia processing module and/or the storage module and synchronously or asynchronously outputting the data by more than one format. The recorded broadcast workstation system distributes the initial data by adopting multiple bottom layer and application layer technologies after the initial data is acquired and coded; the recorded broadcast workstation system has the characteristics of clear and efficient data links, high real-time performance, high coding efficiency and the like and meanwhile has very strong functions of overlapping and synthetizing. The recorded broadcast workstation system adapts to diversified requirements and has strong expansibility, high safety, stable performance, simple and easy operation and low cost, thereby being widely applied to the recorded broadcast services of various occasions.
Description
Technical field
The present invention is specifically related to a kind of rally occasion that is applied in meeting, entertainment, court judgment etc. are carried out the workstation system of recorded broadcast.
Background technology
In daily life and work, when carrying out meeting, court judgment and theatrical performance, often need the relevant real-time recorded broadcast of scene is got off, with playback after preserving or wait until as data.Traditional recorded broadcast mode generally is to control the recording shooting by the special messenger to wait the equipment real-time recording, and is stored in the special memory device.This mode complex operation, the cost height, and be difficult to adapt to the needs of informationized society.For this reason, people are developed and multiple digitized recorded broadcast equipment, wherein comparatively be typically, adopt and to produce, and the image of production is transferred to memory device, stores and/or carried out this locality and/or long-range broadcast through media server etc. by the automatic recording picture pick-up device of controls such as MCU.Yet still there is following defective in this recording and broadcasting system:
At first, this recording and broadcasting system need be realized recorded broadcast by the MCU and the media server of special use, if want the expanding system function, then needs the MCU structure is carried out bigger change, thereby has increased the complexity and the cost of system;
Secondly, the receivable multimedia input of this recording and broadcasting system, output and storage format are comparatively limited usually, gather when being unfavorable for realizing the different location image, or realize the synchronous playing of image in the different location, and for some important meeting, inconvenient disclosed court's trial etc., if carry out short range or long-range propagation, also be difficult to the requirement that reaches highly confidential via local area network (LAN) or the Internet etc.;
Moreover, this recording and broadcasting system is general to adopt soft compression scheme that data are handled, cause the data processing unit load high, caloric value is big, or the high frequency operation causes system easily by external Electromagnetic Interference, it is bigger that compression stability is disturbed by operating system and other software, has suitable difficulties such as uncertainty;
In addition, this recording and broadcasting system generally needs the professional to operate, and easily produces the redundant storage data, and the more employing synchronous RW mode of backup preservation, and reliability is lower.
Summary of the invention
The objective of the invention is to propose a kind ofly to adapt to that diversity demand, autgmentability are strong, safety and stability, recorded broadcast workstation system simple to operation, to overcome deficiency of the prior art.
For achieving the above object, the present invention has adopted following technical scheme:
A kind of recorded broadcast workstation system comprises:
Acquisition module is used to receive the multi-media signal of being gathered by collecting device;
And memory module is used for the multi-media signal of storage of collected;
It is characterized in that this system also comprises:
The multimedia processing module is used to edit the multi-media signal from acquisition module;
Coding module is used for the data from multimedia processing module and/or memory module are carried out encoding process, and with it with the synchronous or asynchronous output of more than one form.
Say that further described coding module and acquisition module are asynchronous behaviors.
Described multimedia processing module is a video processing module, is used for vision signal is carried out editing and processing, and this editing and processing is at least a kind of in detection, amalgamation and the overlap-add procedure.
Described coding module adopts dsp chip.
This system further comprises control unit, is used to adjust the running status of other modules in this recorded broadcast workstation system, and this control unit comprises parallel remote control module and the Local Control Module that is provided with.
An above Peripheral Interface is set, in order to be connected in the described control unit with external equipment.
Described coding module is connected with data distributing server, the protocol type that this data distributing server can be distributed as required, data behind the coding that will obtain from coding module are inserted the distribution buffering area of data distributing server, and under the situation that the client link is arranged, with the data promotion distribution of distribution buffering area.
Described data distributing server adopts streaming media server.
Described memory module is connected with a recording device, and transfers to the recording device imprinting according to the data that user's control command will be stored in the memory module.
The method of this system works is:
Acquisition module is opened collecting device according to preset configuration file, after determining to open normally, sets up data capture and connects, and the specified interface from acquisition module extracts data then;
The data of extracting are transferred to the coding module real-time coding, and coding module and acquisition module asynchronous behavior;
Data distributing server reads preset configuration file, obtain the protocol type that needs distribution, data behind the coding that will obtain from coding module are inserted the distribution buffering area of data distributing server then, wait for the link of client, if the client link is arranged, the data that then will distribute buffering area promote distribution;
Memory module then changes starting state over to by armed state, and carries out storage according to the requirement of control command if receive user's control command.
The present invention adopts with synergistic combination such as acquisition module, multimedia processing module and coding modules and forms recorded broadcast workstation system, thereby can be fit to different applications, satisfies user's at all levels demand.Simultaneously, the coding module that adopts preferably adopts realization hardware encodings such as dsp chip, thereby the load of data processing unit in the reduction system allows to use low speed, low frequency CPU etc. as data processing unit, anti-interference improves greatly, thus the stable operation of safeguards system.In addition, the hardware encoding module also can realize 1,2,4,8 tunnel hardware encoding by this, and then makes this recorded broadcast workstation system can realize high-quality stable Streaming Media signal output, simultaneously, also can take into account safety and security requirements in the signal output procedure.Again, mat above-mentioned multimedia processing module, particularly video processing module, this recorded broadcast workstation also can be realized the editor to multi-media signal, as, to the detection of video segment, montage, amalgamation, stack or the like.
Simultaneously, the present invention adopts data distributing server, particularly the data of streaming media server after to coding are distributed, can be via local area network (LAN), World Wide Web (WWW) etc., adopt stream media protocol provide to the Local or Remote user multiple form audiovisual materials live, relay service etc.The distribution buffering area is set in this streaming media server, and ensureing at network connection speed when playing the speed that audio and video information needs, but this buffering area of mat is avoided the interruption of playing, and keeps playback quality.
Again, the control unit that the present invention adopts can be made up of Local Control Module and remote control module, and also can comprise a plurality of Peripheral Interfaces and can support the administration interface of realizing human-computer interaction.Control unit by this, the user can Long-distance Control or local control mode make multiple functions such as this recorded broadcast workstation system is realized starting shooting, shuts down, recorded, broadcast.Again,, also optionally insert external equipment, expand the function of this recorded broadcast workstation by above-mentioned Peripheral Interface.And by above-mentioned administration interface, the user can be implanted into configuration information to assemblies such as coding module, multimedia processing module, data distributing servers easily, but and the file in the managed storage unit etc.
In addition, the memory module that the present invention adopts normally is ready, and move through exciting of user instruction, can this recorded broadcast workstation system carry out live in, carry out this locality video recording, the encoded back input of video recording code stream, thus can be adjusted into high-quality, middle quality or low-quality according to user's request.For the backup that realizes data etc., also can connect equipment such as CD writer is set on this memory module, and adopt the mode of imprinting afterwards, thereby the reliability that overcomes existing synchronous RW mode is low, defectives such as imprinting limited time.
In a word, compared with prior art, beneficial effect of the present invention is: this recorded broadcast workstation system adapts to diversity demand, strong, safe, the stable performance, simple to operation of autgmentability, and with low cost.The present invention can be widely used in the recorded broadcast service to various occasions.
Description of drawings
Fig. 1 is the structural representation of a kind of recorded broadcast workstation system in the specific embodiment of the invention.
Embodiment
Below in conjunction with the drawings and the specific embodiments content of the present invention is described further.
A kind of recorded broadcast workstation system in the present embodiment is mainly used in occasions such as law court adjudication division, and court trial process is carried out record, and its structure mainly comprises as shown in Figure 1:
Acquisition module is used for receiving the multi-media signal of being gathered by collecting device (capture card);
Memory module is used for the multi-media signal of storage of collected;
The multimedia processing module mainly comprises video processing module, is used to edit the multi-media signal from acquisition module;
Coding module, this coding module are used for the data from multimedia processing module and/or memory module are carried out encoding process, and with it with the synchronous or asynchronous output of more than one form;
And, streaming media server, the protocol type that it can be distributed as required, the data behind the coding that will obtain from coding module are inserted the distribution buffering area of server, and under the situation that the client link is arranged, and data that will the distribution buffering area promote distribution.
In addition, also be provided with control unit in this recorded broadcast workstation, be used to adjust the running status of other modules in this recorded broadcast workstation system, this control unit comprises parallel remote control module and the Local Control Module that is provided with, and an above Peripheral Interface, in order to be connected with external equipment.
Above-mentioned coding module preferably adopts dsp chip (digital signal processor), to realize hardware encoding, can effectively reduce the load of data processing section in the control unit (as CPU) like this, and improve the anti-interference of whole system, promptly avoid in the control unit operating system and application software to the interference of this recorded broadcast workstation system.Simultaneously, the hardware encoding pattern can realize 1,2,4,8 tunnel hardware encoding breakthroughly by this, and then makes this recorded broadcast workstation system can realize various video input, video output flexibly and diversified storage format.Particularly, that is, this recorded broadcast workstation is for satisfying requirements of different users, can require to provide various video input solution at different courts, 1 tunnel, 2 tunnel, 4 tunnel, 8 tunnel totally 4 kinds of forms are promptly arranged, and any one form wherein, all support the video input and 1 road audio frequency of D1 form to import.Again, this recorded broadcast workstation can pass through network, adopts the stream media protocol of multiple form, as MMS (Microsoft), RTSP (RealNetworks) and QuickTime (Apple) etc., provide direct broadcast service fast to the network user, to adjust live code stream and quality according to different occasion needs.In addition, the soft compression scheme of the existing most employing of court's trial system is handled audio-video signal, causes the cpu load height, brings the heat radiation difficulty; Or the high frequency operation causes system easily by external Electromagnetic Interference; Compression stability is subjected to operating system and other software to disturb bigger, have suitable difficulties such as uncertainty, and this recorded broadcast workstation system is because of having adopted the DSP hardware encoding, reduce system loading greatly, the user for the different video demand provides the higher storage format of compression efficiency that comprises Windows MediaVideo (WMV), Real Media (RM) and H264 (MEPG-4AVC) at least simultaneously.Special needs to be pointed out is, because of this recorded broadcast workstation system has adopted above-mentioned hardware encoding pattern, cocoa adopts the high forms such as WMV, RM of confidentiality to encode specially at the high security occasion, and adopt the H264 form to encode in the low-security occasion, to reduce cost.
Consider that a lot of cases all need repeatedly to open a court session, so trial video just relates to a problem of suspending video recording and continuity video recording, common trial video system can only realize suspending and continuous record under lasting open state, just can't continue record in case shut down.Be provided with the multimedia processing module that includes video processing module at least in this recorded broadcast workstation system, they can be at the needs of court's trial, realize the editing and processing of multi-media signal etc.As, " memory suspends " function of feasible system during " memory suspends ", not only can be shut down, and more can try other case, even allows to change court trial.Simultaneously, when needs are integrated video data filing or are offered the party, the selected merging of relevant video file that the user only needs multimedia processing module by this repeatedly to open a court session, can obtain one section video recording of opening a court session complete, that information is unified, guarantee the integrality and the uniformity of trial video data.
For the convenience of the user to this recorded broadcast workstation system whole and wherein associated component control, be provided with control unit in this recorded broadcast workstation system, this control unit can comprise Local Control Module, remote control module and administration interface etc.By this, multiple function such as the user not only can the long-range control host machine switching on and shutting down, record, broadcast also can be when Long-distance Control breaks down (for example: suspension), operate in this locality.By above-mentioned Peripheral Interface, can very insert the various court's trial common equipments of light, projection screen, projector, camera or the like easily, be simple and easy to usefulness, can expand the function of this recorded broadcast workstation greatly.Postscript, the above-mentioned administration interface of mat, the user can be visual and clear the managed storage module in stored information, and can have access to file easily, and can be easily to being implanted into configuration information to assemblies such as coding module, multimedia processing module, data distributing servers in this recorded broadcast workstation system, and the external equipment that is connected with control unit is managed.
Above-mentioned memory module can adopt disk commonly used etc., or the equipment such as computer of employing peripheral hardware, normally be ready, and move through exciting of user instruction, can this recorded broadcast workstation system carry out live in, carry out this locality video recording, the encoded back input of video recording code stream, thus can be adjusted into high-quality, middle quality or low-quality according to user's request.For the backup that realizes data etc., also can connect equipment such as CD writer is set on this memory module, and adopt the mode of imprinting afterwards, within a short period of time with the trial video imprinting to polytype CDs such as DVD-R, DVD+R, DVD-RW, CD-R, CD-RW, and can also continuous replication many.
The method of this recorded broadcast workstation system work is:
Acquisition module is opened collecting device according to preset configuration file, after determining to open normally, sets up data capture and connects, and the specified interface from acquisition module extracts data then;
The data of extracting are transferred to the coding module real-time coding, and coding module and acquisition module asynchronous behavior;
Data distributing server reads preset configuration file, obtain the protocol type that needs distribution, data behind the coding that will obtain from coding module are inserted the distribution buffering area of data distributing server then, wait for the link of client, if the client link is arranged, the data that then will distribute buffering area promote distribution;
Memory module then changes starting state over to by armed state, and carries out storage according to the requirement of control command if receive user's control command.
In the said process, coding module and acquisition module are asynchronous behaviors.
That summarizes says that this recorded broadcast workstation system has utilized multinomial bottom and application layer technology, distributes after finishing coding from raw data acquisition, data link is clear efficient, the real-time height is arranged, and characteristics such as code efficiency height have very powerful stack and complex functionality simultaneously.Its acquisition scheme is based on the DirectShow Technical Architecture, collecting device is encapsulated, be modeled to the Windows collecting device of a standard, use for application layer, so can support multiple encoder, the data of all collections all need earlier through this analog machine, so can carry out data processing at this one deck of analog machine.Such as the stack of carrying out captions, multi-channel video synthetic or the like; And the coding module that adopts is supported multiple form, based on the now the most general Ecnoder of Microsoft coding kernel, supports many code stream outputs, supports push-pull mode, supports the synthetic output of many code streams.Reliable and stable, be fit to long-time continual coding work; Simultaneously, control and be provided with interface and adopted the Http mode that comparatively is simple and easy to usefulness, the user can directly control whole kernel work by the IE browser, also can be made into webpage, is convenient to user's understanding and use.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. recorded broadcast workstation system comprises:
Acquisition module is used to receive the multi-media signal of being gathered by collecting device;
And memory module is used for the multi-media signal of storage of collected;
It is characterized in that this system also comprises:
The multimedia processing module is used to edit the multi-media signal from acquisition module;
Coding module is used for the data from multimedia processing module and/or memory module are carried out encoding process, and with it with the synchronous or asynchronous output of more than one form.
2. recorded broadcast workstation system according to claim 1 is characterized in that described coding module and acquisition module are asynchronous behaviors.
3. recorded broadcast workstation system according to claim 1 is characterized in that, described multimedia processing module is a video processing module, is used for vision signal is carried out editing and processing, and this editing and processing is at least a kind of in detection, amalgamation and the overlap-add procedure.
4. recorded broadcast workstation system according to claim 1 is characterized in that, described coding module adopts dsp chip.
5. recorded broadcast workstation system according to claim 1, it is characterized in that, this system further comprises control unit, is used to adjust the running status of other modules in this recorded broadcast workstation system, and this control unit comprises parallel remote control module and the Local Control Module that is provided with.
6. recorded broadcast workstation system according to claim 5 is characterized in that, an above Peripheral Interface is set in the described control unit, in order to be connected with external equipment.
7. recorded broadcast workstation system according to claim 1, it is characterized in that, described coding module is connected with data distributing server, the protocol type that this data distributing server can be distributed as required, data behind the coding that will obtain from coding module are inserted the distribution buffering area of data distributing server, and under the situation that the client link is arranged, with the data promotion distribution of distribution buffering area.
8. recorded broadcast workstation system according to claim 7 is characterized in that, described data distributing server adopts streaming media server.
9. recorded broadcast workstation system according to claim 1 and 2 is characterized in that, described memory module is connected with a recording device, and transfers to the recording device imprinting according to the data that user's control command will be stored in the memory module.
10. recorded broadcast workstation system according to claim 1 is characterized in that, the method for this system works is:
Acquisition module is opened collecting device according to preset configuration file, after determining to open normally, sets up data capture and connects, and the specified interface from acquisition module extracts data then;
The data of extracting are transferred to the coding module real-time coding, and coding module and acquisition module asynchronous behavior;
Data distributing server reads preset configuration file, obtain the protocol type that needs distribution, data behind the coding that will obtain from coding module are inserted the distribution buffering area of data distributing server then, wait for the link of client, if the client link is arranged, the data that then will distribute buffering area promote distribution;
Memory module then changes starting state over to by armed state, and carries out storage according to the requirement of control command if receive user's control command.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910217158 CN101742199B (en) | 2009-12-31 | 2009-12-31 | Recorded broadcast workstation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910217158 CN101742199B (en) | 2009-12-31 | 2009-12-31 | Recorded broadcast workstation system |
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| CN101742199A true CN101742199A (en) | 2010-06-16 |
| CN101742199B CN101742199B (en) | 2012-07-04 |
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| CN 200910217158 Expired - Fee Related CN101742199B (en) | 2009-12-31 | 2009-12-31 | Recorded broadcast workstation system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561197A (en) * | 2013-11-12 | 2014-02-05 | 杭州恒生数字设备科技有限公司 | End-to-end duplicated hot-standby recording and broadcasting system |
| CN105072401A (en) * | 2015-08-07 | 2015-11-18 | 中国电子科技集团公司第三十二研究所 | Extensible multi-seat screen recording management system and method |
| WO2019233296A1 (en) * | 2018-06-06 | 2019-12-12 | 杭州海康威视数字技术股份有限公司 | Remote control of device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008118183A1 (en) * | 2007-03-28 | 2008-10-02 | Motionbox, Inc. | System and method for autogeneration of long term media data from networked time-based media |
| CN2922051Y (en) * | 2006-06-28 | 2007-07-11 | 天津三星电子有限公司 | Long-distance control recording player |
| CN101472078A (en) * | 2007-12-26 | 2009-07-01 | 北京同步科技有限公司 | Multi-position recording system of vision studio |
-
2009
- 2009-12-31 CN CN 200910217158 patent/CN101742199B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561197A (en) * | 2013-11-12 | 2014-02-05 | 杭州恒生数字设备科技有限公司 | End-to-end duplicated hot-standby recording and broadcasting system |
| CN105072401A (en) * | 2015-08-07 | 2015-11-18 | 中国电子科技集团公司第三十二研究所 | Extensible multi-seat screen recording management system and method |
| CN105072401B (en) * | 2015-08-07 | 2018-10-30 | 中国电子科技集团公司第三十二研究所 | Extensible multi-seat screen recording management system and method |
| WO2019233296A1 (en) * | 2018-06-06 | 2019-12-12 | 杭州海康威视数字技术股份有限公司 | Remote control of device |
| CN110572424A (en) * | 2018-06-06 | 2019-12-13 | 杭州海康威视数字技术股份有限公司 | Device control method, device, electronic device and storage medium |
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| Publication number | Publication date |
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| CN101742199B (en) | 2012-07-04 |
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