CN102368820A - Visible dialogue system based on digital television - Google Patents
Visible dialogue system based on digital television Download PDFInfo
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- CN102368820A CN102368820A CN201110332293XA CN201110332293A CN102368820A CN 102368820 A CN102368820 A CN 102368820A CN 201110332293X A CN201110332293X A CN 201110332293XA CN 201110332293 A CN201110332293 A CN 201110332293A CN 102368820 A CN102368820 A CN 102368820A
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Abstract
The invention discloses a visible dialogue system based on a digital television. The system comprises an outdoor terminal, an indoor client terminal, and a transmission line. More particularly, the outdoor terminal consists of an input terminal, a display module, an outdoor terminal acquisition module, an outdoor terminal network module and an outdoor terminal processing module; and the indoor client terminal is composed of a digital television, an indoor client terminal acquisition module, an indoor client terminal network module, and an indoor client terminal processing module. A visitor inputs house number information of a visiting unit; the acquisition modules respectively collect video information of the visitor and a visited person and communication is realized by a transmission line of a digital television; the network modules respectively realize sending and receiving of signals; and the processing modules are used for responding received signals. According to the visible dialogue system based on a digital television disclosed in the invention, a visible dialogue can be realized on the basis of a current digital television; investments and maintenance costs on the visible dialogue system can be reduced; and because a digital signal and a wired network having a wide bandwidth are utilized, a clear and stable video dialogue quality is obtained.
Description
Technical field
The present invention relates to gate inhibition's video intercom field, relate in particular to a kind of visible dialogue system based on DTV.
Background technology
Along with the raising of living standards of the people, people have also improved the sub-district intelligent requirements.Safe and convenient becoming is the emphasis problem that people pay close attention to.The visual dialog system also just arises at the historic moment naturally in this case.He make people can be easily again in the family very first time learn the visitor whom is and exchange with it, ditch passes to make a response (for example whether decision opens the door).He can also realize Video show real-time between the resident family, additional functions such as sub-district important information issue simultaneously.Make the intellectuality of cell management country, hommization.
DTV be meant and be meant TV signal processing, transmit, transmit and receive in the process television system or the television equipment that use digital signal, Along with people's improves constantly the requirement of television-quality, DTV obtains popularizing greatly.And cable TV network has been established its basic network status at national information structural framing " three nets, one platform ".The cable TV advanced technology has good social benefit and economic benefit, is the infrastructure development project of country.Form by front end system, transmission system and cable distribution system as the one of which.General visible dialogue system generally has special-purpose off-premises station, indoor set, control centre now, and need set up special-purpose network, the general simultaneously analog signal that adopts.Other adopts being generally based on communication network of digital signal, adopts ICP/IP protocol.For existing technology, owing to need set up special-purpose network, all necessary configuration screen in each terminal of while (indoor set), equipment such as loudspeaker cause overall cost higher.Owing to adopt analog signal, make that the extensibility of whole system is relatively poor simultaneously, cause the waste of resource.And for the digital visual intercom system based on telecommunications network, because problems such as bandwidth often cause the images quality low, instability.
Therefore, be necessary to provide a kind of visible dialogue system to solve the demand based on DTV.
Summary of the invention
The objective of the invention is so that on existing DTV, can realize video intercom, to reduce the investment and the maintenance cost of visible dialogue system, improve the quality based on community's visible dialogue system of existing digital television network structure.
To achieve these goals; The present invention proposes a kind of visible dialogue system based on DTV; Comprise outdoor terminal, indoor client terminal and transmission line; Said outdoor terminal comprises input module, display module, outdoor terminal acquisition module, outdoor terminal mixed-media network modules mixed-media and outdoor terminal processing module; Said input module supplies the number information of visitor input reference unit, and said display module shows interviewee's image and acoustic information, and said outdoor terminal acquisition module is used to gather visitor's image, acoustic information and converts digital signal to and sends; Said outdoor terminal mixed-media network modules mixed-media is used to send the signal that collects, and said outdoor terminal processing module is used for making to the received signal response; Said indoor client terminal comprises DTV, indoor client terminal acquisition module, indoor client terminal mixed-media network modules mixed-media and indoor client terminal processing module; Said DTV is used to provide image and shows voice signal; Said indoor client terminal acquisition module is used to gather interviewee's image, acoustic information and converts digital signal to; Said indoor client terminal network and indoor client terminal processing module are used for the real-time listening network signal, judge whether outdoor terminal has request and make response; Said transmission line is the transmission network of DTV, and said outdoor terminal is realized intercommunication mutually with said indoor client terminal through said transmission line.
Preferably, said input module is a keypad.
Preferably, said indoor client terminal also comprises small battery, and said small battery charges when DTV is opened, and when DTV cuts off the power supply, is indoor client terminal mixed-media network modules mixed-media and the power supply of indoor client terminal processing module.
Preferably, said outdoor terminal acquisition module and said indoor client terminal acquisition module comprise respectively: camera, microphone, analog-to-digital conversion module.
Preferably, said outdoor terminal mixed-media network modules mixed-media and said indoor client terminal mixed-media network modules mixed-media comprise network interface, network adapter respectively.
Compared with prior art, the visible dialogue system based on DTV of the present invention utilizes cable TV network as transmission line; Use the family digital TV as indoor terminal; Can on existing DTV, realize video intercom, reduce the investment and the maintenance cost of visible dialogue system, owing to used digital signal and had the cable network of bigger bandwidth; Thereby it is more clear to obtain, and stable video is to stressing quality.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structured flowchart based on the visible dialogue system of DTV of the embodiment of the invention.
Fig. 2 is the flow chart based on the realization video intercom of the visible dialogue system of DTV of the embodiment of the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
With reference to figure 1; The visible dialogue system based on DTV of the embodiment of the invention; Comprise outdoor terminal, indoor client terminal and transmission line; Said outdoor terminal comprises input module, display module, outdoor terminal acquisition module, outdoor terminal mixed-media network modules mixed-media and outdoor terminal processing module; Said input module supplies the number information of visitor input reference unit, and said display module shows interviewee's image and acoustic information, and said outdoor terminal acquisition module is used to gather visitor's image, acoustic information and converts digital signal to and sends; Said outdoor terminal mixed-media network modules mixed-media is used to send the signal that collects, and said outdoor terminal processing module is used for making to the received signal response; Said indoor client terminal comprises DTV, indoor client terminal acquisition module, indoor client terminal mixed-media network modules mixed-media and indoor client terminal processing module; Said DTV is used to provide image and shows voice signal; Said indoor client terminal acquisition module is used to gather interviewee's image, acoustic information and converts digital signal to; Said indoor client terminal network and indoor client terminal processing module are used for the real-time listening network signal, judge whether outdoor terminal has request and make response; Said transmission line is the transmission network of DTV, and said outdoor terminal is realized intercommunication mutually with said indoor client terminal through said transmission line.
Preferably, said input module is a keypad.
Preferably, said indoor client terminal also comprises small battery, and said small battery charges when DTV is opened, and when DTV cuts off the power supply, is indoor client terminal mixed-media network modules mixed-media and the power supply of indoor client terminal processing module.
Preferably, said outdoor terminal acquisition module and said indoor client terminal acquisition module comprise respectively: camera, microphone, analog-to-digital conversion module.The outdoor terminal acquisition module is gathered visitor's image, acoustic information and is converted thereof into digital signal.Indoor client terminal acquisition module is gathered interviewee's image, acoustic information and is converted thereof into digital signal.
Preferably, said outdoor terminal mixed-media network modules mixed-media and said indoor client terminal mixed-media network modules mixed-media comprise network interface respectively, and network adapter etc. are used for the signal that collects is sent.
Said transmission line is the cable distribution system of cable TV network; Can think that it is is the local area network (LAN) that unit makes up with the community; The signal that it transmits through mains system the cable TV network front end amplifies and distributes, and also can intercom mutually between simultaneously inner each port.
With reference to figure 2, the workflow based on the visible dialogue system of DTV of the embodiment of the invention is described below:
The first step: the unit that the visitor will visit through the keypad selection, the unit that the outdoor terminal mixed-media network modules mixed-media is wanted to visit through transmission line sends connection request;
Second step: the indoor client terminal mixed-media network modules mixed-media that indoor client terminal is in the monitoring listens to connection request, sets up virtual connections;
The 3rd step: indoor client terminal processing module is judged and is in resting state or the owner state of being at this moment;
The 4th step: if be judged as owner's state of being in, promptly sound and wait signal to remind owner, DTV ejects the video conversation window simultaneously, the entering talking state; If be judged as park mode,, and change message state over to promptly to the prompting of outdoor terminal output message;
The 5th step: as be talking state; Then the acquisition module of open air and indoor terminal starts; Outdoor terminal will gather information be transferred to indoor terminal through transmission line, indoor terminal is transferred to outdoor terminal with the signal that collects, both sides realize real-time communication; The while indoor terminal can send other signal controlling outdoor terminals and carry out other actions, such as opening the door; As be the message pattern, then the acquisition module of outdoor terminal starts, and to indoor terminal, indoor terminal stores this information with the message transmission that collects.
The 5th step: communication finishes, and connects both sides and breaks off connection, and indoor terminal continues to keep monitoring.
Be appreciated that ground, said park mode can initiatively be provided with through the user, for example is set at the park mode state through button, and can set does not have response and be cut to the message pattern automatically yet after jingle bell and voice signal continue a period of time.
Compared with prior art, the visible dialogue system based on DTV of the present invention utilizes cable TV network as transmission line; Use the family digital TV as indoor terminal; Can on existing DTV, realize video intercom, reduce the investment and the maintenance cost of visible dialogue system, owing to used digital signal and had the cable network of bigger bandwidth; Thereby it is more clear to obtain, and stable video is to stressing quality.
More than to what the embodiment of the invention provided, carried out detailed introduction, the present invention has used concrete example principle of the present invention and execution mode has been set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (5)
1. the visible dialogue system based on DTV is characterized in that, comprising:
Outdoor terminal; Comprise input module, display module, outdoor terminal acquisition module, outdoor terminal mixed-media network modules mixed-media and outdoor terminal processing module; Said input module supplies the number information of visitor input reference unit; Said display module shows interviewee's image and acoustic information; Said outdoor terminal acquisition module is used to gather visitor's image, acoustic information and converts digital signal to and sends, and said outdoor terminal mixed-media network modules mixed-media is used to send the signal that collects, and said outdoor terminal processing module is used for making to the received signal response;
Indoor client terminal; Said indoor client terminal comprises: DTV, indoor client terminal acquisition module, indoor client terminal mixed-media network modules mixed-media and indoor client terminal processing module; Said DTV is used to provide image and shows voice signal; Said indoor client terminal acquisition module is used to gather interviewee's image, acoustic information and converts digital signal to; Said indoor client terminal network and indoor client terminal processing module are used for the real-time listening network signal, judge whether outdoor terminal has request and make response;
Transmission line, said transmission line are the transmission network of DTV, and said outdoor terminal is realized intercommunication mutually with said indoor client terminal through said transmission line.
2. the visible dialogue system based on DTV as claimed in claim 1 is characterized in that, said input module is a keypad.
3. the visible dialogue system based on DTV as claimed in claim 1; It is characterized in that; Said indoor client terminal also comprises small battery; Said small battery charges when DTV is opened, and when DTV cuts off the power supply, is indoor client terminal mixed-media network modules mixed-media and the power supply of indoor client terminal processing module.
4. the visible dialogue system based on DTV as claimed in claim 1 is characterized in that, said outdoor terminal acquisition module and said indoor client terminal acquisition module comprise respectively: camera, microphone, analog-to-digital conversion module.
5. the visible dialogue system based on DTV as claimed in claim 1 is characterized in that, said outdoor terminal mixed-media network modules mixed-media and said indoor client terminal mixed-media network modules mixed-media comprise network interface, network adapter respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110332293XA CN102368820A (en) | 2011-10-27 | 2011-10-27 | Visible dialogue system based on digital television |
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| CN201110332293XA CN102368820A (en) | 2011-10-27 | 2011-10-27 | Visible dialogue system based on digital television |
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| CN102368820A true CN102368820A (en) | 2012-03-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516990A (en) * | 2012-06-15 | 2014-01-15 | 卡西欧计算机株式会社 | Image pickup apparatus, portable terminal, and image pickup method |
| CN103955970A (en) * | 2014-03-25 | 2014-07-30 | 京东方科技集团股份有限公司 | Entrance guard system and control method thereof |
| CN105187803A (en) * | 2015-10-10 | 2015-12-23 | 福建捷联电子有限公司 | Safety video monitoring method based on TV set |
| WO2018227405A1 (en) * | 2017-06-14 | 2018-12-20 | 深圳市智晟达科技有限公司 | Digital television-based visual intercom method and system |
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| JPH10336633A (en) * | 1997-05-29 | 1998-12-18 | Sony Corp | Video interphone system |
| CN101778240A (en) * | 2009-12-24 | 2010-07-14 | 梁清亮 | Wireless visible talkback doorbell system |
| CN101998114A (en) * | 2010-10-20 | 2011-03-30 | 深圳市同洲电子股份有限公司 | Visual talkback method and system |
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2011
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH10336633A (en) * | 1997-05-29 | 1998-12-18 | Sony Corp | Video interphone system |
| CN101778240A (en) * | 2009-12-24 | 2010-07-14 | 梁清亮 | Wireless visible talkback doorbell system |
| CN101998114A (en) * | 2010-10-20 | 2011-03-30 | 深圳市同洲电子股份有限公司 | Visual talkback method and system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103516990A (en) * | 2012-06-15 | 2014-01-15 | 卡西欧计算机株式会社 | Image pickup apparatus, portable terminal, and image pickup method |
| CN103955970A (en) * | 2014-03-25 | 2014-07-30 | 京东方科技集团股份有限公司 | Entrance guard system and control method thereof |
| CN105187803A (en) * | 2015-10-10 | 2015-12-23 | 福建捷联电子有限公司 | Safety video monitoring method based on TV set |
| WO2018227405A1 (en) * | 2017-06-14 | 2018-12-20 | 深圳市智晟达科技有限公司 | Digital television-based visual intercom method and system |
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Application publication date: 20120307 |