CN202043254U - Video on demand system based on conditional receiving device - Google Patents
Video on demand system based on conditional receiving device Download PDFInfo
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- CN202043254U CN202043254U CN 201020653907 CN201020653907U CN202043254U CN 202043254 U CN202043254 U CN 202043254U CN 201020653907 CN201020653907 CN 201020653907 CN 201020653907 U CN201020653907 U CN 201020653907U CN 202043254 U CN202043254 U CN 202043254U
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- 238000004891 communication Methods 0.000 claims abstract description 57
- 230000003993 interaction Effects 0.000 claims abstract description 39
- 238000012545 processing Methods 0.000 claims abstract description 29
- 230000002452 interceptive effect Effects 0.000 claims description 21
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6112—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving terrestrial transmission, e.g. DVB-T
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The utility model relates to a video on demand system based on a conditional receiving device, which comprises a VOD (video on demand) server, a main unit and the conditional receiving device. The VOD server is in communication connection with the main unit and the conditional receiving device is in communication connection with the main unit. The main unit is provided with a DVB (digital video broadcasting) application, a decoder, a graph output module, a man-machine interaction module, an IP (internet protocol) module and a first communication interaction module. The conditional receiving device is provided with a second communication interaction module, a VOD processing module and a CA (conditional access) core module. In the video on demand system based on the conditional receiving device, the conditional receiving device communicates and interacts with the main unit and interacts with the VOD server by the aid of the IP module of the main unit, and a VOD function can be realized by the aid of the conditional receiving device.
Description
Technical field
The utility model relates to the digital television techniques field, specifically is meant the video on-demand system based on conditional receiving device.
Background technology
Along with the raising of living standards of the people, the conventional mode of televising no longer satisfies the demands of consumers, and video request program (VOD) will become a kind of trend.Conditional receiving device (CAM) is to be used for controlling a kind of card that the user watches the digital television program (containing audio frequency, video, data etc.) that process is authorized, can allow digital-TV operator in television system, the user be carried out authorization control and empowerment management by conditional receiving device, thereby realize the paid service of digital television program.Conditional receiving device is extensive use of in the European market, and the domestic market is also growing.If in based on the digital TV receiving system of conditional receiving device, increase the VOD function, must be subjected to operator and user's welcome.Present conditional receiving device is not also realized the VOD function.
The utility model content
Main purpose of the present utility model provides a kind of video on-demand system based on conditional receiving device, can realize the VOD function by conditional receiving device.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of video on-demand system based on conditional receiving device, it comprises:
VOD server, main frame (television set or the set-top box of band CI interface) and conditional receiving device, described VOD server communication connects described main frame, and described conditional receiving device communicates to connect described main frame, wherein:
Described main frame is provided with DVB and uses and decoder, the figure output module, human-computer interaction module, the IP module and the first communication interaction module, described conditional receiving device is provided with the second communication interactive module, VOD processing module and CA (Conditional Access, condition receives) nucleus module, described second communication interactive module is connected with the described first communication interaction module, the described first communication interaction module is connected with described IP module communication, described second communication interactive module also communicates to connect with described VOD processing module, described VOD processing module is connected with described human-computer interaction module, described human-computer interaction module and described figure output module communicate to connect, described DVB application and decoder and described CA nucleus module communicate to connect, and described DVB application and decoder are connected with described figure output module.
Be respectively arranged with CI (Common Interface on described conditional receiving device and the described main frame, general-purpose interface) interface, the second communication interactive module of described conditional receiving device is connected with the described first communication interaction module communication of main frame by described CI interface, described VOD processing module is connected by described CI interface communication with described human-computer interaction module, and described DVB application and decoder are connected by described CI interface communication with described CA nucleus module.
The utility model also provides a kind of conditional receiving device, and it comprises: second communication interactive module, VOD processing module and CA nucleus module, described second communication interactive module connects described VOD processing module.
Implement the technical solution of the utility model, has following beneficial effect: in the video on-demand system that the utility model provides based on conditional receiving device, conditional receiving device and main frame communicate alternately, and undertaken to realize the VOD function by conditional receiving device alternately by the IP module and the VOD server of main frame.
Description of drawings
The video on-demand system structural representation that Fig. 1 provides for the utility model embodiment based on conditional receiving device;
The structural representation of the conditional receiving device that Fig. 2 provides for the utility model embodiment.
The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model embodiment provides a kind of video on-demand system based on conditional receiving device, and as shown in Figure 1, this system comprises:
In the present embodiment, described main frame 120 includes DVB and uses and decoder 121, figure output module 125, human-computer interaction module 124, IP module 122 and the first communication interaction module 123, described conditional receiving device is provided with second communication interactive module 133, VOD processing module 132 and CA nucleus module 131, wherein:
Described second communication interactive module 133 communicates to connect with the described first communication interaction module 123, the described first communication interaction module 123 communicates to connect with described IP module 122, described second communication interactive module 133 also communicates to connect with described VOD processing module 132, described VOD processing module 132 communicates to connect with described human-computer interaction module 124, described human-computer interaction module 124 communicates to connect with described figure output module 125, described DVB uses and decoder 121 communicates to connect with described CA nucleus module 131, and described DVB uses and decoder 121 is connected with described figure output module 125.
In the above-described embodiments, be respectively arranged with the CI interface on described conditional receiving device 130 and the described main frame 120, the second communication interactive module 133 of described conditional receiving device 130 communicates to connect by the described first communication interaction module 123 of described CI interface and main frame 120, described VOD processing module 132 is connected by described CI interface communication with described human-computer interaction module 124, and described DVB uses and decoder 121 is connected by described CI interface communication with described CA nucleus module 131.In the above-described embodiments, the user carries out flow process such as the following step that said system is carried out the VOD program request:
S1, user enter the VOD pattern of main frame 120, main frame 120 sends the VOD processing module 132 of instruction to conditional receiving device 130 by human-computer interaction module 124, after the VOD processing module 132 of conditional receiving device receives instruction, user profile and corresponding data are sent to the first communication interaction module 123 of main frame 120 by second communication interactive module 133, and the first communication interaction module 123 of main frame 120 receives and sends VOD server 110 to by IP module 122 after described user profile and the corresponding data and (also become: the VOD front end).
S2, VOD server 110 are according to user profile, user message table in the Query Database, identifying user identity, if user identity is legal, then enter the following step S3, otherwise give the VOD processing module 132 return authentication failure informations of conditional receiving device 130 by the direction opposite with passage among the step S1.
S3, behind authentification of user, VOD server 110 (comprises picture through IP network to the IP of main frame 120 module 122 transmission the rendition lists and out of Memory, data such as expense), the IP module 122 of main frame 120 receives the rendition list and out of Memory send to conditional receiving device 130 through the first communication interaction module 123 second communication interactive module 133, the second communication interactive module 133 of conditional receiving device 130 returns human-computer interaction module 124 to main frame 120 to these the rendition lists and out of Memory by VOD processing module 132 again, and human-computer interaction module sends to figure output module 125 again and shows.
S4, the user browses selection according to the rendition list and out of Memory that main frame 120 is presented on the figure output module 125, behind the selected program, by remote controller to human-computer interaction module 124 sending controling instructions, this human-computer interaction module 124 is given this control command the VOD processing module 132 of conditional receiving device 130,132 groups of bags of the VOD processing module of conditional receiving device 130 are after second communication interactive module 133, the first communication interaction module 123 and IP module 122 send to VOD server 110, VOD server 110 is searched corresponding program according to the rendition list that receives and out of Memory, return then concrete rating parameter (for example service ID (service identifiers) etc.) and other confirm data (along above-mentioned with VOD processing module 132 transmission information and data to the opposite path of VOD server 110) send to the VOD processing module 132 of conditional receiving device 130, the VOD processing module 132 of conditional receiving device 130 returns to main frame 120 to wherein partial data (as: rating parameter) again.
S5, the user presses broadcast button, send the VOD processing module 132 of command adapted thereto by human-computer interaction module 124 to conditional receiving device, utilize communication protocol through second communication interactive module 133 behind 132 groups of bags of the VOD processing module of conditional receiving device, the first communication interaction module 123 and IP module 122 send to VOD server 110, VOD server 110 is according to these data that receive, send the program stream of program request to main frame 120 by Digital Television cable/modes such as satellite/terrestrial transmission, program stream is issued the CA nucleus module 131 of conditional receiving device 130 and is handled after the DVB of main frame 120 application and decoder 121 decodings, the CA nucleus module 131 of final condition receiving system 130 returns the program stream after handling to re-sending on the figure output module 125 behind DVB application and the decoder 121 and shows, makes the user can normally watch video.
S6, user can suspend or withdraw from operational order in normally watching the video process; human-computer interaction module 123 receives that the VOD processing module 132 by conditional receiving device 130 can send to VOD server 110 to this operational order through the IP of main frame 120 module 122 (it is the same that process is caught up with order or the data transmission procedure stated in the step) after this operational order, and VOD server 110 is handled accordingly according to this operational order.
The video on-demand system based on conditional receiving device that the foregoing description provides, conditional receiving device and main frame communicate alternately, and are undertaken can realizing the VOD function by conditional receiving device alternately by IP module on the main frame and VOD server.
In addition, the utility model embodiment also provides a kind of conditional receiving device, as shown in Figure 2, this conditional receiving device 130 comprises: second communication interactive module 133, VOD processing module 132 and CA nucleus module 131, described second communication module 133 connects described VOD processing module 132.
The conditional receiving device that this embodiment provides communicates alternately with main frame, and carries out interactive communication by IP module on the main frame and VOD server, can realize the VOD function.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (2)
1. the video on-demand system based on conditional receiving device is characterized in that, comprising:
VOD server, main frame and conditional receiving device, described VOD server communication connects described main frame, and described conditional receiving device communicates to connect described main frame, wherein:
Described main frame is provided with DVB and uses and decoder, the figure output module, human-computer interaction module, the IP module and the first communication interaction module, described conditional receiving device is provided with the second communication interactive module, VOD processing module and CA nucleus module, described second communication interactive module is connected with the described first communication interaction module, the described first communication interaction module is connected with described IP module communication, described second communication interactive module also communicates to connect with described VOD processing module, described VOD processing module is connected with described human-computer interaction module, described human-computer interaction module and described figure output module communicate to connect, described DVB application and decoder and described CA nucleus module communicate to connect, and described DVB application and decoder are connected with described figure output module.
2. according to claim 1 based on the video on-demand system of conditional receiving device, it is characterized in that, be respectively arranged with the CI interface on described conditional receiving device and the described main frame, the second communication interactive module of described conditional receiving device is connected with the described first communication interaction module communication of main frame by described CI interface, described VOD processing module is connected by described CI interface communication with described human-computer interaction module, and described DVB application and decoder are connected by described CI interface communication with described CA nucleus module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020653907 CN202043254U (en) | 2010-12-10 | 2010-12-10 | Video on demand system based on conditional receiving device |
| PCT/CN2011/081144 WO2012075857A1 (en) | 2010-12-10 | 2011-10-21 | Video on demand system and method based on conditional access device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020653907 CN202043254U (en) | 2010-12-10 | 2010-12-10 | Video on demand system based on conditional receiving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202043254U true CN202043254U (en) | 2011-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020653907 Expired - Fee Related CN202043254U (en) | 2010-12-10 | 2010-12-10 | Video on demand system based on conditional receiving device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202043254U (en) |
| WO (1) | WO2012075857A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105323641A (en) * | 2014-06-10 | 2016-02-10 | 深圳Tcl新技术有限公司 | Bidirectional video-on-demand method and system based on CAM card |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060159264A1 (en) * | 2001-07-03 | 2006-07-20 | Chen Annie O | System for denying access to content generated by a compromised off line encryption device and for conveying cryptographic keys from multiple conditional access systems |
| CN1226879C (en) * | 2003-08-29 | 2005-11-09 | 广州新华夏宽带网视讯技术有限公司 | Telephone video requesting system and its method |
| CN1571511A (en) * | 2004-04-29 | 2005-01-26 | 徐国庆 | A quasi-video demanding method for voice communication equipment and apparatus therefor |
| CN101742065B (en) * | 2009-10-30 | 2014-05-07 | 康佳集团股份有限公司 | Integrated set-top box device and integration method thereof |
-
2010
- 2010-12-10 CN CN 201020653907 patent/CN202043254U/en not_active Expired - Fee Related
-
2011
- 2011-10-21 WO PCT/CN2011/081144 patent/WO2012075857A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105323641A (en) * | 2014-06-10 | 2016-02-10 | 深圳Tcl新技术有限公司 | Bidirectional video-on-demand method and system based on CAM card |
| CN105323641B (en) * | 2014-06-10 | 2018-09-25 | 深圳Tcl新技术有限公司 | Bidirectional video-on-demand method and system based on CAM cards |
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| Publication number | Publication date |
|---|---|
| WO2012075857A1 (en) | 2012-06-14 |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20191210 |