CN103428057A - Theater intercommunication system on basis of IP (internet protocol) networking - Google Patents
Theater intercommunication system on basis of IP (internet protocol) networking Download PDFInfo
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- CN103428057A CN103428057A CN2013103606733A CN201310360673A CN103428057A CN 103428057 A CN103428057 A CN 103428057A CN 2013103606733 A CN2013103606733 A CN 2013103606733A CN 201310360673 A CN201310360673 A CN 201310360673A CN 103428057 A CN103428057 A CN 103428057A
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Abstract
The invention discloses a theater intercommunication system on the basis of IP (internet protocol) networking. The theater intercommunication system comprises a wired intercommunication unit, a wireless intercommunication unit, a broadcast unit, a core switchboard and a stage scheduling center unit. The wired intercommunication unit, the wireless intercommunication unit, the broadcast unit and the stage scheduling center unit are connected with one another by the core switchboard to create an IP network. The theater intercommunication system has the advantages that various systems inside a theater are connected with one another by the IP network, so that unified interfaces for connecting devices of the various systems with one another are provided, and the devices made by various manufacturers are compatible to one another advantageously; the various units in the theater intercommunication system are connected with one another by the IP network and are regulated and controlled by the stage scheduling center unit in a unified manner, so that a digital automatic scheduling model can be created according to a few rehearsals on a stage; the theater intercommunication system is high in compatibility, and the purpose of digitally and intelligently scheduling the stage can be achieved.
Description
Technical field
The present invention relates to arenas internal communication field, particularly, relate to a kind of interior way system of arenas of IP based network.
Background technology
At present, both at home and abroad all information such as sound, light, electricity are failed to gather in digital form, make the stage director very clear.Along with the development of digitizer, the stage director should be able to, after having a dress rehearsal for several times, determine the Automatic dispatching model of a performance in the future.
With regard to stage director and dispatching patcher, in the performance sites such as theater, early stage intercommunicating system be take the Party-line technology as main, and the intercommunication user can hear other users' sound.It is more necessary that the growth of program amount and the lifting of program quality become segmentation, so the PL system is divided into two, four or more passage.The appearance of P-P or matrix phone system makes the one to one conversation of individual in group become possibility, and can carry out free configuration to group call.Along with interrupting turning back, the adding successively of the technology such as logic control and concatenation system, phone system is also slowly developing.These elements are seen everywhere in current phone system is used.Along with the development of technology, the dependence to different cables in transmission is more and more less, allows to do selection between different cables or twisted-pair feeder, but also can allow cable that different impedances is arranged.Moreover, transmission range also increases to some extent, does not need also can transmit the scope of 300 meters to 500 meters with repeater.In conjunction with new technology, and the advantage of utilization annular and tree topology, just can in digital environment, allow a series of verbal system bring into play the potential of plug and play.The wired intercom system that current arenas adopts is generally PL conference system, matrix system, and the wireless communication system generally adopts wireless base station to add the form of wireless purse, and the technology of finally still returning based on PL operates.
Although way system can be realized in the performance process dispatching requirement of each work post be take to circuit-switched technology as core because whole interior logical dispatching patcher is still substantially in traditional arenas, can't break away from the restriction of conventional art.Because the development of circuit-switched technology is stagnated, and the circuit signaling of arrowband is because the limitation of technology, and miscellaneous service separates, and can't merge, and causes the manufacturer of each equipment in traditional stage director and dispatching patcher to differ.The user can't select the product of different vendor according to demand.If the pursuit system is oversimplified, often select the product of same brand, can cause like this cost too high, the partial redundance function can't be used; If it is suitable to pursue cost, tend to again introduce a plurality of brands, cause the incompatible or system complexity of equipment to improve, even easily cause the monopolization of famous brand.In traditional stage director and dispatching patcher, interior way system and video monitoring often exist as a system separately, wired interior logical and wireless interior logical main frame that also usually has separately.This will cause system complex, and complex operation is easily made mistakes, and system maintenance is also very inconvenient.Interior way system main frame adopts the interior way system of the channel-type of simplification mostly, has abandoned point-to-point communication, and this system is usually that the stage director speaks to many people.This has just caused the specific aim of conversation to reduce, and requires outstanding not.And wire communication is vulnerable to the restriction of complicated circuit and distance, wireless telecommunications are vulnerable to the restriction of signal interference and signal source, blind area.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of interior way system of arenas of IP based network, with the advantage that realizes that system compatibility is strong and digital intelligent is dispatched.
For achieving the above object, the technical solution used in the present invention is:
Way system in a kind of arenas of IP based network, comprise wired interior logical unit, wireless interior logical unit, radio unit, core switch and blocking center cell, described wired interior logical unit, wireless interior logical unit, radio unit and blocking center cell are all set up IP network by core switch;
Described wired interior logical unit: comprise intercommunication terminal and server, described intercommunication terminal has the binary channels intercommunication function of IP based network, sets in advance call targets and group on described server, described intercommunication terminal and the communication connection of server IP based network;
Described wireless interior logical unit: comprise wireless transferring equipment and intercommunication terminal, described intercommunication terminal is by transferring equipment and the communication connection of core switch IP based network;
Described radio unit: comprise IP network broadcast terminal, digital power amplifier and IP network active audio amplifier, described IP network broadcast terminal and IP network active audio amplifier and the communication connection of above-mentioned core switch IP based network, by IP network broadcast terminal and IP network active audio amplifier by the audio-frequency information of interior way system, subregion setting according to interior way system, optionally to different subregion terminals, send instruction, described digital power amplifier carries out power amplification to audio-frequency information;
Described blocking center cell: be responsible for regulation and control and the management of whole interior way system.
According to a preferred embodiment of the invention, the wireless transferring equipment of described wireless interior logical unit is wireless router or wireless base station, described intercommunication terminal is smart mobile phone or intercom, described smart mobile phone is set up IP network by wireless router and above-mentioned core switch, and described intercom is set up IP network by wireless base station and above-mentioned core switch.
According to a preferred embodiment of the invention, described blocking center cell comprises protocol adaptation module, call service module, media management module and dispatching desk administration module;
Described protocol adaptation module: be responsible for processing the outside signaling message of sending by various standard agreements, and this signaling message is converted into to unified inside story sends to the call service module, the inside story of simultaneously the call service module being sent is converted into corresponding external perimysium reference agreement and sends;
Described call service module: thereby the inside story that reception protocol adaptation module sends is gone forward side by side, walking along the street is set up and is called out by selection and addressing;
Described media management module: encapsulate real-time media data and then hand over transport layer to be transmitted, the media data of reception is temporarily stored into to buffering area, then be employed continuous the reading from buffering area of program, make media data with unification, continuous streamed transmission, improve the performance of audio frequency and video;
Described dispatching desk administration module: complete terminal use's registration, Dynamic Packet management, authority setting and safety management.
Technical scheme of the present invention has following beneficial effect:
Technical scheme of the present invention, connect by IP network by each system by arenas inside, thereby, for the connection of each system equipment provides unified interface, facilitate the hardware compatibility of various producers.And by IP network, intrasystem unit is connected, carry out unified regulation and control by the blocking center cell, thereby can have a dress rehearsal several times according to stage, set up digitized Automatic dispatching model.Reached the purpose that system compatibility is strong and digital intelligent is dispatched.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The accompanying drawing explanation
Way system theory diagram in the arenas that Fig. 1 is the described IP based network of the embodiment of the present invention;
Fig. 2 is the required main application layer protocol block diagram of way system in the described realization of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
As shown in Figure 1, way system in a kind of arenas of IP based network, comprise wired interior logical unit, wireless interior logical unit, radio unit, core switch and blocking center cell, wired interior logical unit, wireless interior logical unit, radio unit and blocking center cell are all set up IP network by core switch;
Wired interior logical unit: comprise intercommunication terminal and server, intercommunication terminal has the binary channels intercommunication function of IP based network, sets in advance call targets and group on server, intercommunication terminal and the communication connection of server IP based network;
Wireless interior logical unit: comprise wireless transferring equipment and intercommunication terminal, intercommunication terminal is by transferring equipment and the communication connection of core switch IP based network;
Radio unit: comprise IP network broadcast terminal, digital power amplifier and IP network active audio amplifier, IP network broadcast terminal and IP network active audio amplifier and the communication connection of above-mentioned core switch IP based network, by IP network broadcast terminal and IP network active audio amplifier by the audio-frequency information of interior way system, subregion setting according to interior way system, optionally to different subregion terminals, send instruction, digital power amplifier carries out power amplification to audio-frequency information;
Blocking center cell: be responsible for regulation and control and the management of whole interior way system.
Wherein, the wireless transferring equipment of wireless interior logical unit is wireless router or wireless base station, intercommunication terminal is smart mobile phone or intercom, and smart mobile phone is set up IP network by wireless router and above-mentioned core switch, and intercom is set up IP network by wireless base station and above-mentioned core switch.
The blocking center cell comprises protocol adaptation module, call service module, media management module and dispatching desk administration module;
Protocol adaptation module: be responsible for processing the outside signaling message of sending by various standard agreements, and this signaling message is converted into to unified inside story sends to the call service module, the inside story of simultaneously the call service module being sent is converted into corresponding external perimysium reference agreement and sends;
The call service module: thereby the inside story that reception protocol adaptation module sends is gone forward side by side, walking along the street is set up and is called out by selection and addressing;
Media management module: encapsulate real-time media data and then hand over transport layer to be transmitted, the media data of reception is temporarily stored into to buffering area, then be employed continuous the reading from buffering area of program, make media data with unification, continuous streamed transmission, improve the performance of audio frequency and video;
Dispatching desk administration module: complete terminal use's registration, Dynamic Packet management, authority setting and safety management.
The blocking center cell is the core of interior way system.The program of blocking center cell write the employing modularized design, include file administration module, graphical management module and mixed-media network modules mixed-media, according to demand, go back the demand motive module.According to functional requirement, adopt the distributed modular design, be divided into protocol adaptation module, call service module, media management module, dispatching desk administration module.Whole scheduling system framework as shown in Figure 1.
Protocol adaptation layers is responsible for processing the outside signaling message of sending by various standard agreements, and the signaling message of various standard agreements is converted into to unified inside story gives the call service module and processed, the inside story that also call server can be sent is converted into the external perimysium reference agreement adapted and sends out simultaneously.
The call service module is the control hinge of whole system, can provide unified calling to control.Mainly comprise call control program, call analysis program.Thereby call control program receives the Internal call control information foundation calling that protocol adaptation layers is sent, call again the call analysis program and carry out Route Selection and addressing, because the another name of physical terminal can be mapped as the IP address of respective gateway, leave in database, when the user calls out this terminal, establish out corresponding IP address according to corresponding database data, and this IP address is joined in the IP packet, select best route to reduce transmission delay simultaneously, the IP packet is sent to the purpose gateway through Internet.Releasing request is sent in the sign off on-hook.In a word, calling out the control analysis program can monitor call control message from protocol adaptation layers with the judgement call state and carry out respective handling.
Media management module is controlled relevant with the transmission of Streaming Media, being mainly used to encapsulate real-time media data then transfers to lower floor and is transmitted, the advanced buffering area of meeting when data are accepted, then continuous the reading from buffering area by other application programs, as long as buffering area is fully not empty or fully full, the application program that receives data can constant speed be processed input, so that media stream improves the performance of audio frequency and video as far as possible with unification, continuous streamed arrival.
Control centre's administration module can be realized terminal use's registration, Dynamic Packet management, authority setting and safety management, can add neatly or delete the member in this communication network, can be divided into groups to the member on demand and different authorities is set, make it enjoy different priorities.Can also monitor the running status of other submodules, system resource ruuning situation is assessed, if run into operation troubles, can carry out resetting of system and automatically switch to standby system according to the processing method set in advance simultaneously.
The dispatching desk administration module is complete in addition, and the dispatching desk administration module also needs to have the computer of operating platform, sound card, interface and other peripheral hardwares.
Integrated for the IP networkization that realizes in arenas logical part, the smooth foundation that needs suitable signaling technology to guarantee audio call with carry out, need simultaneously the support of stream media technology guarantee video and audio continuously, transmit in real time.Be that signaling technology related protocol or stream media technology related protocol are all to belong to application layer protocol, need the TCP of transport layer, udp protocol to carry, follow the IP agreement of network layer simultaneously.H.323 and SIP for the control signal system of the comparatively main flow of IP communication, be at present.The media control protocol comprises RTP, RTCP, RTSP.As shown in Figure 2.
Because agreement H.323 relatively is applicable to building commercial carrier class IP telephony network, and SIP is simple, flexible, with existing Internet application, in conjunction with closely, be easy to other service integrated, therefore when the higher Miniature communication net of Intelligent Terminal of structure, can select SIP to realize.In arenas, the integrated SIP that can select of IP networkization of way system is as its signaling protocol.
SIP is a kind of application layer signaling control protocol proposed by IETF, and it is a kind of fairly simple conversation initialized protocol, and it can be used for setting up, change and stop the session between the user of IP based network, supports single-point broadcast and multicast.SIP adopts the C/S framework, and network element wherein have two: sip user agent and the SIP webserver.The user agent is responsible for sending request to server, and server is responsible for the request that response agent is sent.Calling, from the user agent, and ends at server.Wherein, sip server can be divided into the registrar for the receiving management user's registration information again, for the ambulant Redirect Server of support terminal and be responsible for to receive from user agent's request and make the acting server of respective handling.
Stream media technology guarantees the mode incoming terminal of video and audio with stream transmission, can improve the speech quality in IP communication, guarantees the continuity of sound.The scheme of Streaming Media realizes adding on the agreement of transport layer transmission and the control protocol of Streaming Media, comprises RTP, RTCP, RTSP.Wherein, RTP can be point-to-point and point-to-multipoint transport stream media data in real time, and its main purpose is to provide temporal information and realizes that stream is synchronous.RTCP is responsible for FEEDBACK CONTROL, monitoring QOS and transmits relevant information, coordinate RTP that flow control and congestion control service are provided together, control bag by RTCP the current information of network can dynamically be provided for application program, can be adjusted accordingly and make it to maximally utilise Internet resources the data transmit-receive of RTP accordingly.RTSP has the real-time characteristic transfer of data for controlling, and can set up and control the Continuous Flow media of one or several time synchronized.This agreement purpose is to control a plurality of data and sends connection, is to send selector channel.
In addition, some key technology also, as voice processing technology and safe practice, the IP networkization of way system in stage also is absolutely necessary in integrated.G.723.1 and G.729 the compression and coding standard that voice-over-net is commonly used is, G.729 the 64kbit/s voice through over-sampling can be compressed to 8kb/s with distortionless quality almost, be applicable to the use of ip voice communication, the voice processing technologies such as quiet detection simultaneously, Echo Cancellation and delay variation processing are used in conjunction with, and can improve speech quality.Safe practice can be authorized by authentication, and the methods such as encryption are guaranteed network security, prevent that network is subject to malicious attack, the protecting network resource data.
The diverse network technological synthesis can be utilized in the transformation of way system in arenas, finally realize IP network integrated of whole system.
In sum, the present invention also has following technical purpose:
There are some insoluble problems in the interior way system of theater based on PL meeting and matrix overlap joint, such as: the standard disunity of devices in system and interface, numerous and diverse and the many redundancy of equipment, wireless signal easily disturbs, unstable, wired, wireless interior communication breath separates allotment.For above problem, technical solution of the present invention has proposed to utilize advanced Audiotechnica, multimedia technology and computer networking technology, builds the interior logical scheduling integrated system method of theatrical stage of IP network.Realize that flexibly the stage director is to the calling between the performance related personnel's of all departments monitoring, individual calling, group calling, broadcast & call and department; Realize the conference model MPTY of a plurality of terminals, realize the seamless fusion between multiple communication network, catv terminal and wireless terminal can mix intercommunication; Realize speech quality and succinct hardware configuration clearly.Thereby for floor manager, interchange and the service interworking of arenas performance provides more convenient communication mode, dispatch all kinds of performance key elements, reach the perfect and harmony of the height of system, finally realize IP network integrated of whole system.
Finally it should be noted that: the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment, the present invention is had been described in detail, for a person skilled in the art, its technical scheme that still can put down in writing aforementioned each embodiment is modified, or part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. way system in the arenas of an IP based network, it is characterized in that, comprise wired interior logical unit, wireless interior logical unit, radio unit, core switch and blocking center cell, described wired interior logical unit, wireless interior logical unit, radio unit and blocking center cell are all set up IP network by core switch;
Described wired interior logical unit: comprise intercommunication terminal and server, described intercommunication terminal has the binary channels intercommunication function of IP based network, sets in advance call targets and group on described server, described intercommunication terminal and the communication connection of server IP based network;
Described wireless interior logical unit: comprise wireless transferring equipment and intercommunication terminal, described intercommunication terminal is by transferring equipment and the communication connection of core switch IP based network;
Described radio unit: comprise IP network broadcast terminal, digital power amplifier and IP network active audio amplifier, described IP network broadcast terminal and IP network active audio amplifier and the communication connection of above-mentioned core switch IP based network, by IP network broadcast terminal and IP network active audio amplifier by the audio-frequency information of interior way system, subregion setting according to interior way system, optionally to different subregion terminals, send instruction, described digital power amplifier carries out power amplification to audio-frequency information;
Described blocking center cell: be responsible for regulation and control and the management of whole interior way system.
2. way system in the arenas of IP based network according to claim 1, it is characterized in that, the wireless transferring equipment of described wireless interior logical unit is wireless router or wireless base station, described intercommunication terminal is smart mobile phone or intercom, described smart mobile phone is set up IP network by wireless router and above-mentioned core switch, and described intercom is set up IP network by wireless base station and above-mentioned core switch.
3. way system in the arenas of IP based network according to claim 1 and 2, is characterized in that, described blocking center cell comprises protocol adaptation module, call service module, media management module and dispatching desk administration module;
Described protocol adaptation module: be responsible for processing the outside signaling message of sending by various standard agreements, and this signaling message is converted into to unified inside story sends to the call service module, the inside story of simultaneously the call service module being sent is converted into corresponding external perimysium reference agreement and sends;
Described call service module: thereby the inside story that reception protocol adaptation module sends is gone forward side by side, walking along the street is set up and is called out by selection and addressing;
Described media management module: encapsulate real-time media data and then hand over transport layer to be transmitted, the media data of reception is temporarily stored into to buffering area, then be employed continuous the reading from buffering area of program, make media data with unification, continuous streamed transmission, improve the performance of audio frequency and video;
Described dispatching desk administration module: complete terminal use's registration, Dynamic Packet management, authority setting and safety management.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104125438A (en) * | 2014-08-04 | 2014-10-29 | 恒德数字舞美科技有限公司 | Digital audio and video stage monitoring system |
| CN105657217A (en) * | 2016-03-18 | 2016-06-08 | 青岛大学 | Digitized audio/video integrated stage dispatching system |
| CN105676829A (en) * | 2016-04-06 | 2016-06-15 | 广州市河东电子有限公司 | Stage performance multi-network intelligent performance control system |
| CN114189661A (en) * | 2021-12-31 | 2022-03-15 | 国家大剧院 | Theatre stage supervision integrated management system |
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| CN101920117A (en) * | 2009-06-16 | 2010-12-22 | 高琼宇 | Multimedia acousto-optic-electric synchronous performance system |
| CN202353763U (en) * | 2011-10-24 | 2012-07-25 | 徐海轮 | Wireless walky-talky command system |
| CN202907031U (en) * | 2012-10-30 | 2013-04-24 | 深圳市首航通信有限公司 | Comprehensive intelligent dispatching system |
| CN103197632A (en) * | 2013-03-13 | 2013-07-10 | 佑图物理应用科技发展(武汉)有限公司 | Intelligent integral performing system of stage, lamplight and stage art and control method |
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Patent Citations (4)
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| CN101920117A (en) * | 2009-06-16 | 2010-12-22 | 高琼宇 | Multimedia acousto-optic-electric synchronous performance system |
| CN202353763U (en) * | 2011-10-24 | 2012-07-25 | 徐海轮 | Wireless walky-talky command system |
| CN202907031U (en) * | 2012-10-30 | 2013-04-24 | 深圳市首航通信有限公司 | Comprehensive intelligent dispatching system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104125438A (en) * | 2014-08-04 | 2014-10-29 | 恒德数字舞美科技有限公司 | Digital audio and video stage monitoring system |
| CN104125438B (en) * | 2014-08-04 | 2017-11-24 | 恒德数字舞美科技有限公司 | One kind digitlization audio frequency and video stage director's system |
| CN105657217A (en) * | 2016-03-18 | 2016-06-08 | 青岛大学 | Digitized audio/video integrated stage dispatching system |
| CN105676829A (en) * | 2016-04-06 | 2016-06-15 | 广州市河东电子有限公司 | Stage performance multi-network intelligent performance control system |
| CN114189661A (en) * | 2021-12-31 | 2022-03-15 | 国家大剧院 | Theatre stage supervision integrated management system |
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