CN101340604A - Method and system for implementing voice inter-communication in video monitoring - Google Patents
Method and system for implementing voice inter-communication in video monitoring Download PDFInfo
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- CN101340604A CN101340604A CNA2008101469942A CN200810146994A CN101340604A CN 101340604 A CN101340604 A CN 101340604A CN A2008101469942 A CNA2008101469942 A CN A2008101469942A CN 200810146994 A CN200810146994 A CN 200810146994A CN 101340604 A CN101340604 A CN 101340604A
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Abstract
The invention discloses a method and a system for realizing audio communication in video monitoring, wherein, the method comprises: a monitoring front end and a monitoring terminal are established communication link respectively with a register server which transfers audio communication request signaling between the monitoring front end and the monitoring terminal by the communication link so as to establish an audio communication media link and then transfers audio data packets between the monitoring front end and the monitoring terminal by the audio communication link. The method and the system of the invention are realized based on the existing monitoring equipment without requiring for additional equipment, thus avoiding the increasing of cost and shortening interaction flow, so that time delay in the audio communication is reduced.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the method and system that realize speech talkback in a kind of video monitoring.
Background technology
In recent years, the video monitoring service continuous development of following network technology has obtained extensive attention.The new value_added service of this image remote transmission based on broadband network or mobile network, management is accepted by increasing user.Video monitoring service is mainly the user provides real-time video to watch, the control operation of cloud mirror, and services such as recording storage tube reason and alarm interlock notice, the user can carry out round-the-clock monitoring to the control point whenever and wherever possible.
Along with constantly improving and user's increase of business, the user needs CU (monitor terminal) and PU (front monitoring front-end) to carry out direct aspectant dialogue, thereby the demand of the speech talkback between monitor terminal and the front monitoring front-end becomes urgently.
At present, realize in the video monitoring that the method for speech talkback has two kinds: a kind of is the speech talkback pattern that adopts former " TV conference system ", and another kind is the mode of RTSP (the real-time streaming protocol)/RTP (RTP) of employing standard.First method cost very costliness and the needed bandwidth of code stream is quite high, will certainly cause the cost input of great number; Though and second method is compared first kind and invested little but the flow process complexity,, just caused the generation of time delay in the intercommunication, and then influenced calling quality in the intercommunication because interaction flow is more.
Summary of the invention
In view of above-mentioned analysis, the present invention aims to provide the method and system that realize speech talkback in a kind of video monitoring, in order to solve speech talkback cost height or the many problems of interaction flow that exists in the prior art.
Purpose of the present invention mainly is achieved through the following technical solutions:
The invention provides the method that realizes speech talkback in a kind of video monitoring, described method comprises:
Steps A: front monitoring front-end and monitor terminal are set up communication link with registrar respectively;
Step B: registrar passes through the speech talkback demand signalling between this communication link transfer front monitoring front-end and the monitor terminal, thereby sets up the speech talkback media link;
Step C: registrar is by the VoP between this speech talkback media link transfer front monitoring front-end and the monitor terminal.
Further, described method also comprises:
When stopping speech talkback, the speech talkback between registrar transfer front monitoring front-end and the monitor terminal interrupts signaling, and front monitoring front-end disconnects the speech talkback media link, and monitor terminal disconnects speech talkback media link and communication link.
Further, described steps A specifically comprises:
When reaching the standard grade, front monitoring front-end sets up communication link to registrar;
When monitor terminal need be initiated speech talkback, set up communication link to registrar, concurrent sending voice intercommunication begins request and gives registrar.
Further, described step B specifically comprises:
The speech talkback that registrar sends monitor terminal by the communication link of setting up begins to ask to be transmitted to corresponding front monitoring front-end;
This front monitoring front-end is set up the speech talkback media link between itself and the registrar, and transmits the sending voice intercommunication by registrar by the communication link of setting up and begin the request response and give monitor terminal;
Monitor terminal is set up the speech talkback media link between itself and the registrar;
Front monitoring front-end and monitor terminal are set up by the speech talkback media link notice registrar speech talkback media link of setting up and are finished.
Further, described step C specifically comprises:
Front monitoring front-end and monitor terminal are packaged into the VoP of predetermined format with the speech data that collects, and with preset transmission mode VoP are sent to registrar by the speech talkback media link of setting up;
After registrar is judged purpose side to the VoP that receives, VoP is transmitted to corresponding front monitoring front-end or monitor terminal by the speech talkback media link of setting up.
Wherein, described communication link is transmission control protocol link or User Datagram Protoco (UDP) link, and described speech talkback media link is transmission control protocol link or User Datagram Protoco (UDP) link.
Described preset transmission mode is a kind of in the following transmission means:
Real-time application transmission protocol mode, file transfer protocol (FTP) mode, supertext transmission protocol mode.
The present invention also provides the system that realizes speech talkback in a kind of video monitoring, and described system comprises: front monitoring front-end, monitor terminal and registrar, wherein,
Described monitor terminal is used for setting up communication link and speech talkback media link with registrar, and begins demand signalling by this communication link transmission speech talkback, and sends the packet of predetermined format in speech talkback by this speech talkback media link;
Described front monitoring front-end, be used for setting up communication link and speech talkback media link with registrar, and send speech talkback by this communication link and begin to ask response signaling, and in speech talkback, send the VoP of predetermined format by this speech talkback media link;
Described registrar, be used for by front monitoring front-end and monitor terminal and its communication link transfer front monitoring front-end of setting up and the speech talkback signaling between the monitor terminal, and by front monitoring front-end and monitor terminal and its speech talkback media link transfer front monitoring front-end of setting up and the VoP between the monitor terminal.
Further, when stopping speech talkback, the speech talkback that described registrar also is used between transfer front monitoring front-end and the monitor terminal interrupts signaling, described front monitoring front-end also is used to disconnect the speech talkback media link, and described monitor terminal also is used to disconnect speech talkback media link and communication link.
Beneficial effect of the present invention is as follows:
On existing watch-dog, need not increase other equipment, avoided the increase of cost.
Compare with the RTSP flow process of standard, reduced mutual flow process, thereby reduced the time delay in the intercommunication.
Other features and advantages of the present invention will be set forth in the following description, and becoming apparent from specification of part perhaps understood by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Fig. 1 is the schematic flow sheet of the described method of the embodiment of the invention;
Fig. 2 is the application schematic diagram of the described system of the embodiment of the invention.
Embodiment
The present invention proposes the method and system that realize speech talkback in a kind of video monitoring, on the basis of existing watch-dog, set up signaling link and media link, carry out speech talkback by the registrar transfer, optimized the speech talkback flow process, reduced the communication time delay.
Specifically describe preferential embodiment of the present invention below in conjunction with accompanying drawing, wherein, accompanying drawing constitutes the application's part, and is used from explaination principle of the present invention with embodiments of the invention one.
At first in conjunction with the accompanying drawings the described method of the embodiment of the invention is elaborated.
In embodiments of the present invention, CU (monitor terminal) will carry out speech talkback to the PU that is positioned at mobile network's side (monitor terminal) by fixed network, for present embodiment has more illustrative, RGM (registrar) is positioned at public network, CU is with among PU is positioned at two different private networks, the link that CU and RGM server are set up is TCP (transmission control protocol) link, and the link that PU and RGM server are set up is UDP (User Datagram Protoco (UDP)) link.But those of ordinary skills should be understood that the link that CU and RGM server are set up and also can be the UDP link that the link that PU and RGM server are set up also can be the TCP link.
As shown in Figure 1, Fig. 1 is the schematic flow sheet of the described method of the embodiment of the invention, specifically can comprise the steps:
Step 101: the PU in the private network at first RGM in public network reaches the standard grade, and sets up TCP and connects.This sets up process is standard procedure, can repeat no more with reference to the RFC793 document herein.
Step 102: the CU that is in another private network sets up the TCP connection to the RGM server, and concurrent sending voice intercommunication begins request, need carry the globally unique identifier that need carry out the PU of speech talkback in the request.
So far, communication link is set up and to be finished, below RGM just can transmit speech talkback signaling between PU and the CU by communication link, thereby set up media link.
Step 103:RGM server is inquired about corresponding PU according to the globally unique identifier of carrying in this request, and is transmitted this request to it after receiving that speech talkback that CU sends begins request.
After step 104:PU receives that speech talkback begins request, set up speech talkback UDP to the speech talkback fixed port of RGM server and connect, begin the request response to RGM server response speech talkback then.
Step 105:RGM server receives that the speech talkback from PU begins the request response, is transmitted to CU with this response.
Step 106, CU set up speech talkback TCP to the speech talkback fixed port of RGM server and connect after receiving that speech talkback begins the request response.
Step 107, PU and CU pass through to set up good speech talkback media link and send speech communication link notice to the RGM server, and the RGM server is responded the link push-notification-answer to PU and CU respectively, and the speech talkback media link is set up and finished.
Step 108, PU and CU are packaged into the speech data that collects RTP (real-time application host-host protocol) packet of standard, and with in the RTP data envelope threading UDP/TCP message, send to the RGM server by the speech talkback media link, the RGM server is judged purpose side after receiving VoP, and VoP is transmitted to corresponding PU or CU.
Step 109, when stopping speech talkback, CU sends speech talkback to the RGM server and stops request, and initiatively disconnects the speech talkback media link simultaneously.
Step 110, RGM server forwards speech talkback stop request and give PU, and PU responds speech talkback by RGM and stops response to CU, and initiatively disconnects the speech talkback media link, and CU disconnects communication link after receiving that speech talkback stops response, and speech talkback finishes.
Wherein, in step 101, PU be connected with TCP between the RGM server set up after, can send keep-alive information, to keep the signalling path between PU and the RGM server always.
Below in conjunction with accompanying drawing the described system of the embodiment of the invention is elaborated.
As described in Figure 2, Fig. 2 is the application schematic diagram of the described system of the embodiment of the invention, specifically can comprise: PU, CU and RGM, wherein, PU can be that mobile device also can be permanent plant, CU can connect the RGM of public network by mobile network or fixed network, and PU is by the RGM unified management, and RGM serves as the transfer server of speech talkback in the public network.Below each equipment is elaborated.
CU mainly is responsible for when needs begin speech talkback, sets up communication link (TCP link or UDP link) with RGM, and begins demand signalling by communication link transmission speech talkback; When the speech talkback that receives PU begins to set up speech talkback media link (TCP link or UDP link) with RGM after the request response; Speech talkback begins, and CU is packaged into the speech data of predetermined format with the speech data of collecting, and sends the packet of predetermined format to RGM, by being given to corresponding PU among the RGM with preset transmission mode by this speech talkback media link; When stopping speech talkback, CU stops demand signalling by RGM transfer speech talkback and gives PU, disconnect the speech talkback media link between itself and the RGM simultaneously, and after receiving that the speech talkback that transfers during PU is by RGM stops to ask response signaling, disconnect the communication link between itself and the RGM.
PU, main being responsible for set up communication link (TCP link or UDP link with RGM, and the communication link between PU and the RGM will be kept after setting up always), and, set up speech talkback media link (TCP link or UDP link) with RGM receiving after speech talkback begins demand signalling; Speech talkback begins, and PU is packaged into the speech data of predetermined format with the speech data of collecting, and sends the packet of predetermined format to RGM, by being given to corresponding PU among the RGM with preset transmission mode by this speech talkback media link; When PU receives after speech talkback that CU transfers in by RGM stops demand signalling, stop to ask response signaling to give corresponding C U by RGM transfer speech talkback, and disconnect the speech talkback media link between itself and the RGM.
RGM, as the transfer server of CU and PU, promptly RGM is by PU and CU and its communication link transfer PU that sets up and the speech talkback signaling between the CU (comprising that speech talkback begins demand signalling and speech talkback begins to ask response signaling etc.); Be given to corresponding C U in the VoP of the predetermined format that PU is sent by the speech talkback media link, and be given to corresponding PU in the VoP of the predetermined format that CU is sent by the speech talkback media link,
For the specific implementation process of each equipment,, repeat no more owing to elaborate at said method herein.
Here, the embodiment of the invention not only is applicable to the method for VoP RTP transmission, pass through simple deformation, PU and CU also can use ftp (file transfer protocol (FTP))/http (HTML (Hypertext Markup Language)) to wait other network transmission protocols to transmit speech data, and detailed process can those of ordinary skills realize easily.
In sum, the embodiment of the invention provides the method and system that realize speech talkback in a kind of video monitoring, on the basis of existing watch-dog, comprise by registrar transfer speech talkback signaling and speech talkback data, improve the quality of speech talkback, reduced mutual flow process, thereby reduced the time delay of speech talkback, and need not increase other equipment, avoid old increase.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (9)
1, realize the method for speech talkback in a kind of video monitoring, it is characterized in that described method comprises:
Steps A: front monitoring front-end and monitor terminal are set up communication link with registrar respectively;
Step B: registrar passes through the speech talkback demand signalling between this communication link transfer front monitoring front-end and the monitor terminal, thereby sets up the speech talkback media link;
Step C: registrar is by the VoP between this speech talkback media link transfer front monitoring front-end and the monitor terminal.
2, method according to claim 1 is characterized in that, described method also comprises:
When stopping speech talkback, the speech talkback between registrar transfer front monitoring front-end and the monitor terminal interrupts signaling, and front monitoring front-end disconnects the speech talkback media link, and monitor terminal disconnects speech talkback media link and communication link.
3, method according to claim 1 and 2 is characterized in that, described steps A specifically comprises:
When reaching the standard grade, front monitoring front-end sets up communication link to registrar;
When monitor terminal need be initiated speech talkback, set up communication link to registrar, concurrent sending voice intercommunication begins request and gives registrar.
4, method according to claim 1 and 2 is characterized in that, described step B specifically comprises:
The speech talkback that registrar sends monitor terminal by the communication link of setting up begins to ask to be transmitted to corresponding front monitoring front-end;
This front monitoring front-end is set up the speech talkback media link between itself and the registrar, and transmits the sending voice intercommunication by registrar by the communication link of setting up and begin the request response and give monitor terminal;
Monitor terminal is set up the speech talkback media link between itself and the registrar;
Front monitoring front-end and monitor terminal are set up by the speech talkback media link notice registrar speech talkback media link of setting up and are finished.
5, method according to claim 1 and 2 is characterized in that, described step C specifically comprises:
Front monitoring front-end and monitor terminal are packaged into the VoP of predetermined format with the speech data that collects, and with preset transmission mode VoP are sent to registrar by the speech talkback media link of setting up;
After registrar is judged purpose side to the VoP that receives, VoP is transmitted to corresponding front monitoring front-end or monitor terminal by the speech talkback media link of setting up.
6, method according to claim 1 and 2 is characterized in that, described communication link is transmission control protocol link or User Datagram Protoco (UDP) link, and described speech talkback media link is transmission control protocol link or User Datagram Protoco (UDP) link.
7, method according to claim 5 is characterized in that, described preset transmission mode is a kind of in the following transmission means:
Real-time application transmission protocol mode, file transfer protocol (FTP) mode, supertext transmission protocol mode.
8, realize the system of speech talkback in a kind of video monitoring, it is characterized in that described system comprises: front monitoring front-end, monitor terminal and registrar, wherein,
Described monitor terminal is used for setting up communication link and speech talkback media link with registrar, and begins demand signalling by this communication link transmission speech talkback, and sends the packet of predetermined format in speech talkback by this speech talkback media link;
Described front monitoring front-end, be used for setting up communication link and speech talkback media link with registrar, and send speech talkback by this communication link and begin to ask response signaling, and in speech talkback, send the VoP of predetermined format by this speech talkback media link;
Described registrar, be used for by front monitoring front-end and monitor terminal and its communication link transfer front monitoring front-end of setting up and the speech talkback signaling between the monitor terminal, and by front monitoring front-end and monitor terminal and its speech talkback media link transfer front monitoring front-end of setting up and the VoP between the monitor terminal.
9, system according to claim 8, it is characterized in that, when stopping speech talkback, the speech talkback that described registrar also is used between transfer front monitoring front-end and the monitor terminal interrupts signaling, described front monitoring front-end also is used to disconnect the speech talkback media link, and described monitor terminal also is used to disconnect speech talkback media link and communication link.
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| CNA2008101469942A CN101340604A (en) | 2008-08-29 | 2008-08-29 | Method and system for implementing voice inter-communication in video monitoring |
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| CNA2008101469942A CN101340604A (en) | 2008-08-29 | 2008-08-29 | Method and system for implementing voice inter-communication in video monitoring |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012022266A1 (en) * | 2010-08-20 | 2012-02-23 | 中兴通讯股份有限公司 | Method and system for voice intercom in video surveillance |
| CN102375535A (en) * | 2010-08-25 | 2012-03-14 | 北京中星微电子有限公司 | Man-machine interaction method and device in video monitoring and video monitoring system |
| WO2015184767A1 (en) * | 2014-11-20 | 2015-12-10 | 中兴通讯股份有限公司 | Client unit communications method and device |
| CN109729302A (en) * | 2018-12-20 | 2019-05-07 | 上海数果科技有限公司 | Video intercom system and video intercommunication method |
| CN111935654A (en) * | 2020-07-28 | 2020-11-13 | 福建北峰通信科技股份有限公司 | Intercommunication communication system based on IP network architecture |
-
2008
- 2008-08-29 CN CNA2008101469942A patent/CN101340604A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012022266A1 (en) * | 2010-08-20 | 2012-02-23 | 中兴通讯股份有限公司 | Method and system for voice intercom in video surveillance |
| CN102377760A (en) * | 2010-08-20 | 2012-03-14 | 中兴通讯股份有限公司 | Method and system for realizing voice intercom in video monitoring |
| CN102377760B (en) * | 2010-08-20 | 2016-01-13 | 中兴通讯股份有限公司 | Realize the method and system of voice intercom in video monitoring |
| CN102375535A (en) * | 2010-08-25 | 2012-03-14 | 北京中星微电子有限公司 | Man-machine interaction method and device in video monitoring and video monitoring system |
| CN102375535B (en) * | 2010-08-25 | 2015-11-25 | 北京中星微电子有限公司 | Man-machine interaction method in a kind of video monitoring and device, video monitoring system |
| WO2015184767A1 (en) * | 2014-11-20 | 2015-12-10 | 中兴通讯股份有限公司 | Client unit communications method and device |
| CN105681264A (en) * | 2014-11-20 | 2016-06-15 | 中兴通讯股份有限公司 | Communication method and device for client units |
| CN109729302A (en) * | 2018-12-20 | 2019-05-07 | 上海数果科技有限公司 | Video intercom system and video intercommunication method |
| CN111935654A (en) * | 2020-07-28 | 2020-11-13 | 福建北峰通信科技股份有限公司 | Intercommunication communication system based on IP network architecture |
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Open date: 20090107 |