CN1558676A - Multimedia information demanding system and demanding method - Google Patents
Multimedia information demanding system and demanding method Download PDFInfo
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- CN1558676A CN1558676A CNA2004100393327A CN200410039332A CN1558676A CN 1558676 A CN1558676 A CN 1558676A CN A2004100393327 A CNA2004100393327 A CN A2004100393327A CN 200410039332 A CN200410039332 A CN 200410039332A CN 1558676 A CN1558676 A CN 1558676A
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/27—Server based end-user applications
- H04N21/278—Content descriptor database or directory service for end-user access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2801—Broadband local area networks
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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
- H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
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Abstract
The invention discloses a multimedia information program request system and program request method, wherein the program request system comprises a TV terminal, a multimedia terminal connected with the TV terminal, a broad band access server connected with the multimedia terminal, a navigation server connected with the broad band access server for providing the program requesting users with authentication, management and index catalog supply, and internet content provider for providing multimedia information for request and downloading.
Description
Technical field
The present invention relates to the multimedia communication technology field, relate in particular to a kind of multimedia messages VOD system and order method.
Background technology
At present, development of Internet is maked rapid progress, by common network communication protocol, on this open space, internet, people can be freely link to each other with under the sun other network-termination devices, not only can enjoy such as services such as Email, file transfer the data and the file of type such as multimedia messages that can also compress by compress technique by Internet transmission such as audio frequency, video, animation, rest image.
In addition, the appearance of broadband network more makes various network multimedia services become convenient and feasible, increase just with surprising rapidity as video conference, long-distance education, ecommerce, video distribution, online advertisement, video telephone etc., the rapid rise of network multimedia is undoubted.
In the prior art, the user can obtain multimedia messages on the broadband network by the mode of program request, as shown in Figure 1, a kind of typical video on-demand system, mainly comprise video server 10, switching equipment 11 and Network Termination Type 12, the user logins video servers 10 by Network Termination Type 12 through switching equipment 11, can select the corresponding content of multimedia that content supplier provides on the video server 10, behind user's chosen content, can watch for the user to Network Termination Type 12 according to selected content charging and with selected down sending content by video server 10.
But present VOD system mostly carries out program request and broadcast by computer.Consider the complexity of computer operation, need certain technical foundation, the ordinary people is difficult to operation.And some limitation of having seen a film on the display, for example screen is too little, is not suitable for home entertaining; Closely watch display screen for a long time attentively and cause asthenopia and decline easily; Computer generally is placed on the study or the place that can comfortablely view and admire away from sofa etc. etc., can't replace the middle cardiac status of TV in home entertaining.
But satisfy people with the demand of VOD system as the status, recreation center, then not only need be with the display terminal of television set as VOD system, and need network terminal to provide easier, be more suitable for user interface and method of operation that TV shows.
In addition, existing video on-demand system also just rests in the less network range of cell-level basically, in such network, can store certain multi-medium data resource on the server, be used for providing video-on-demand service to a limited number of users, the content providers formula is single.。
The user can only select the ICP that fixes.When the number of users of while program request more for a long time, usually cause network congestion, form bottleneck, and the Internet resources that the user can obtain are limited.Sowing time is put the user by content supplier, directly the user is carried out authentication, and authentication is at present finished by content supplier, the client user can only be passive the information that sends of received content provider, cause advertisement etc. to spread unchecked.
Summary of the invention
Can only be applicable to subzone network in order to solve the prior art VOD system, the problem that attachable Internet resources are limited, the invention provides a kind of multimedia messages VOD system and order method, make the user can have access to the multimedia resource that a plurality of content suppliers provide, simplified user's program request operation.
For addressing the above problem, the invention provides a kind of multimedia messages VOD system, be applied to comprise in the broadband network:
Television terminal is used for play multimedia information;
The multimedia terminal is connected with described television terminal, is used to receive the multimedia messages that broadband network is sent, and sends to television terminal and plays, and send to broadband network after the IP Information On Demand processing with the user;
BAS Broadband Access Server is connected with the multimedia terminal, is used to make the multimedia terminal to insert the Internet;
Navigation server is connected with described BAS Broadband Access Server, is used for carrying out authentication, manage and provide index list to the some broadcasting user that carries out IP Information On Demand by described multimedia terminal;
ICP directly is connected with described BAS Broadband Access Server or is connected with described BAS Broadband Access Server by the internet, is used for providing according to user's IP Information On Demand the multimedia messages of program request, download.
Correspondingly, the invention provides a kind of order method, comprise being applied in the multimedia messages VOD system that described multimedia messages VOD system comprises multimedia terminal, television terminal, BAS Broadband Access Server, navigation server, ICP, this method may further comprise the steps:
A, multimedia terminal start, and connect corresponding navigation server and carry out two-way authentication;
The index list that provides on B, the user by selecting navigation server is selected the multimedia programming in the program request ICP;
C, ICP authenticate the legitimacy of a broadcasting user, and after authentication was passed through, ICP sent to the multimedia terminal with service catalogue, play by sending to television terminal after the decoding of multimedia terminal;
D, some broadcasting user are further selected the multimedia messages shown in the service catalogue, and are sent to described ICP by the multimedia terminal;
E, ICP be according to the request of a broadcasting user, sends the multimedia messages of program request to multimedia terminal equipment, carries out corresponding control operation and charging simultaneously;
F, described multimedia terminal are to the multimedia information storage that receives or send television terminal to play after decoding.
Compared with prior art, the present invention has the following advantages:
By introducing navigation server, multimedia messages VOD system of the present invention and order method can connect with a plurality of ICP (ICP, Internet Content Provider), have enlarged the scope of user capture multimedia messages resource.And,, provide corresponding index list by navigation server, thereby simplified user's operation because the multimedia terminal is directly connected to navigation server when landing network; Be more convenient for simultaneously to local ordering user's management.
Multimedia messages VOD system of the present invention and order method, because navigation server provides abundant ICP to insert, therefore, at certain ICP program request number of users more for a long time, can be by the content of user according to other ICP of the adaptive selection program request of network condition, in the time of can overcoming the single so that network congestion of prior art content providers formula, the problem that the user can not adaptive selection on-demand content.
Multimedia messages VOD system of the present invention and order method because the multimedia terminal with memory function is provided, can be supported multiple media play form, thereby can substitute existing multimedia play equipments such as VCD, DVD, reduce the investment of equipment replacement.
Multimedia messages VOD system of the present invention and order method; the mode that transmits scrambled multimedia information also is provided; strengthened Information Security, the user just can watch corresponding multimedia messages content after only obtaining corresponding descramble key information, helps protecting Electronic Intellectual Property Right.
Description of drawings
Fig. 1 is a kind of video on-demand system schematic diagram of prior art;
Fig. 2 is that multimedia messages VOD system specific embodiment of the present invention is formed schematic diagram;
Fig. 3 is that navigation server shown in Figure 2 is formed schematic diagram
Fig. 4 is that service management unit shown in Figure 3 is formed schematic diagram;
Fig. 5 is that service shown in Figure 3 provides the unit to form schematic diagram;
Fig. 6 is the composition schematic diagram of ICP shown in Figure 2;
Fig. 7 is an administration module schematic diagram shown in Figure 6
Fig. 8 is a service providing module schematic diagram shown in Figure 6
Fig. 9 is a resource module schematic diagram shown in Figure 6
Figure 10 is the flow chart that multimedia terminal equipment lands BAS Broadband Access Server;
Figure 11 is the flow chart that multimedia terminal equipment lands navigation server;
Figure 12 is the method that a kind of user's program request ICP goes up program
Figure 13 is the method that a kind of user's program request ICP goes up scrambled program
Embodiment
Multimedia messages VOD system of the present invention can realize that direct order video program (VOD), news are browsed by existing broadband network, the information on services of the download of various files, online interaction recreation, online Karaoke and customization individual character, news etc.
Described broadband network can be based on the local area network (LAN) among a small circle such as family, unit or community, also can be Internet, IP metropolitan area network, and network connects can be based on several data transmission form such as wired, wireless.
In addition, broadband network can be based on multi-layer switches and the sub-district broadband networks is basic network system, it also can be broadband network with present xDSL technology, can also be for being the hfc plant of access means with the coaxial cable, perhaps wireless network or optical-fiber network etc., it is mainly used in the access network system that reliable bandwidth is provided to the user, guarantees the information interaction between ICP and the user.
With reference to figure 2, the specific embodiment of multimedia messages VOD system of the present invention, described multimedia messages VOD system mainly comprises a plurality of ICP20, navigation server 21 and multimedia terminal 22, BAS Broadband Access Server 23.
ICP20 is used for corresponding program request being provided, downloading multimedia messages according to user's IP Information On Demand.
ICP20 directly links to each other with the on-site BAS Broadband Access Server 23 of user among the present invention, is arranged in the local area network (LAN) at user place, and the service that passes under the high-speed data is provided, and can bring into play the advantage of the network bandwidth to greatest extent, thereby realizes the real-time VOD function.
ICP20 can also link by the Internet and the on-site BAS Broadband Access Server 23 of described user, and then ICP is positioned on the Internet, because it is lower to following biography speed that the user provides, can be mainly used in the download service that multimedia resource is provided.
Navigation server connects a plurality of ICP, thereby has overcome in the prior art, and VOD system can only insert the defective of specific ICP.
Concrete, described multimedia terminal 22 can receive, stores and analyze respectively the IP Information On Demand from the user, finish the bidirectional data communication with navigation server 21, handle the various multimedia messagess that obtain from ICP20, thereby the function of common multimedia recreation terminals is realized in multimedia terminal 22.
The multimedia messages of multimedia terminal 22 outputs can be exported to television terminal, described television terminal can be analog signal TV or the digital signal TV based on various signaling modes that comprises TV, sound equipment, also can be based on the playback equipment of signal input interface of the analog or digital signal TV of various signaling modes, the signal of supporting had both comprised vision signal, also comprised audio signal.
With reference to figure 3, navigation server 21 of the present invention mainly comprises with the lower part:
Service provides unit 213, is used to provide and being connected of a plurality of ICP20;
With reference to figure 4, described service management unit 212 further comprises:
With reference to figure 5, service described in the present embodiment provides unit 213 further to comprise:
Service catalogue module 2131 is used for providing optional service catalogue to the user, and after the user was passed through by navigation server 21 authentication, the user can see the catalogue of order program service, can select the service expected by operations of equipment such as remote controllers then.
ICP index module 2132 is used for providing ICP tabulation and the link of corresponding address to the user.
With reference to figure 6, ICP20 comprises broadband access module 201, administration module 202, service providing module 203 and resource module 204, wherein
Wherein be provided with access interface between administration module 202 and the service providing module 203, be provided with access interface between administration module 202 and the resource module 204, be provided with access interface between resource module 204 and the service providing module 203, these three interfaces all are made up of some corresponding communications protocol.
With reference to figure 7, the administration module 202 of described ICP comprises service management unit 2021, authentication ' unit 2022, granted unit 2023 and Charging Detail Record unit 2024, wherein
Service management unit 2021 is used for opening an account and cancellation of user account number, and rank and access rights that the relative users account number is set, and service management unit 2021 realizes that also the user serves daily record, managing users registration, access services and accessed content.The user can look into its log information by multimedia terminal 22;
Authentication ' unit 2022 is used to finish the authentication and the spendable network service authentication of respective point broadcasting user;
Granted unit 2023 is used to check that user's authorization message is so that offer user's Charging Detail Record unit 2024 with user-accessible service and content;
Charging Detail Record unit 2024 is used for the service according to user capture, realizes real time billing based on different charging policy.
After 22 starts of multimedia terminal, navigation server 21 to appointment is registered, after navigation server 21 receives log-on message, checking user's legitimacy, if validated user, then pass through to multimedia terminal 22 notification authentication, the user just can begin to carry out directory service, is connected to corresponding ICP 20.After ICP20 receives user's operation requests, verify whether this user has access rights, verify then whether this user's requirement can be satisfied, if this requirement can be met, further operation is carried out in the request that just responds this user, and charges; Otherwise return information tells the user that this requirement can not be satisfied, and the reason that can't satisfy.
With reference to figure 8, described service providing module 203 comprises directory service unit 2031, download unit 2032, WEB service unit 2033 and streaming media service unit 2034, wherein
Directory service unit 2031 is used for providing optional service catalogue to the user, and after authentification of user was passed through by ICP, the user at first saw service catalogue, selects the service and the content of expectation then by the operation of remote controller etc.
Download unit 2032 is used for the required multimedia messages of user's download, and the user can select the content oneself liked by download service, watches after downloading on the memory cell of multimedia terminal earlier again.This function class is like present VCD/DVD Rental Service.
WEB service unit 2033 is used for providing WEB content to the user, and the WEB service can provide contents such as news, e-shop, shopping, advertisement.
Streaming media service unit 2034 is used for providing video request program, multicast and live broadcast service to the user.
With reference to figure 9, described resource module 204 comprises rm-cell 2041, Database Unit 2042, Dispatching Unit 2043, Load Balance Unit 2044, wherein
Rm-cell 2041 is used to manage the warehouse-in of local media resource and outbound and finishes mandate, authentication, billing operation to the local media resource access with administration module 202.
Database Unit 2042 is used to preserve the voluminous media resource so that user's program request, and database need have extended capability and high reliability flexibly.
Dispatching Unit 2043 is used for realizing and other ICP exchange multimedia resources, can be in a zone, even the whole nation sets up a plurality of ICP, utilizes distribution services switched-media data between a plurality of ICP.
Load Balance Unit 2044 is used to adjust local load, when overload service dispatch is arrived other ICP.
The following describes the method for in multimedia messages VOD system of the present invention, carrying out program request.
Mainly comprise following flow process:
A. multimedia terminal equipment starts, and connects corresponding navigation server and carries out two-way authentication;
B. the index list that provides on the user by selecting navigation server is selected the multimedia programming on the program request ICP;
C.ICP authenticates user's legitimacy, and after authentication was passed through, ICP sent to the multimedia terminal with service catalogue, plays by sending to television terminal after the decoding of multimedia terminal;
D. the user further selects the multimedia messages shown in the service catalogue, and sends to described ICP by the multimedia terminal;
E.ICP is according to user's request, sends the multimedia messages of program request to multimedia terminal, carries out corresponding control operation and charging simultaneously;
F. described multimedia terminal is stored the multi-medium data that receives or send television terminal to after decoding and plays.
Described step a further comprises:
A1. the multimedia terminal powers on and initialization;
A2. navigation server in multimedia terminal sends first authorization information; Navigation server carries out authentication according to described first authorization information;
A3. navigation server sends second authorization information to the multimedia terminal; Authentication is carried out according to described second authentication information in the multimedia terminal.
Described step b comprises following optional step:
B1. the user enters index list, the service content that selection needs, and navigation server notifies corresponding ICP that service is provided service content and user profile that the user selects then;
B2. the user enters index list, checks the ICP tabulation, and navigation server is linked to corresponding ICP according to user's selection with it then.
Described step f further comprises:
The f1 authentication step: the multimedia messages that the multimedia terminal equipment parsing receives receives described multimedia messages in authentication by the back to obtain corresponding ICP information and to carry out corresponding authentication.
The multimedia messages that described step e transmits can be scrambled multimedia information and corresponding secret key information, and described step f further comprises:
F2. storing step: store multimedia messages and the corresponding descramble key information received respectively the multimedia terminal;
F3. descrambling step: the key information and the user profile of described storage are obtained the scrambling control word through decrypt operation, by the described scrambled multimedia data of this scrambling control word descrambling;
F4. play step: will play through the multimedia messages decoding output of descrambling.
With an exemplary embodiments user's program request ICP content is described below.
Broadband network is the example explanation with the ADSL access network, with the multimedia messages of user's program request ICP1 in the present embodiment.
With reference to Figure 10, illustrate that at first the user lands the process of network.
1. the user sends the dhcp broadcast bag by the multimedia terminal to network, waits for the response of BAS Broadband Access Server;
2. all can provide the BAS Broadband Access Server (BAS Broadband Access Server of receiving broadcast packet may more than) of access service after receiving broadcast packet, all to make response to the multimedia terminal;
3. the multimedia terminal receives the response that BAS Broadband Access Server returns, and selects a BAS Broadband Access Server, sends request package to it;
4. selected BAS Broadband Access Server produces a unique internal dynamic IP address in the request package of receiving that multimedia terminal equipment sends, and it is returned to the multimedia terminal;
5. the multimedia terminal data message that will comprise user account number, password sends to BAS Broadband Access Server, and request connects;
6. BAS Broadband Access Server is verified user account number, code data, and returns confirmation.
With reference to Figure 11, multimedia terminal login navigation server process is described.
1. the request of login management navigation server is sent in the multimedia terminal;
2. BAS Broadband Access Server navigation server forwards should be asked;
3. navigation server receives user's request, the legitimacy of checking user ID, inspection user's account, excited users account number;
4. navigation server returns confirmation;
5. BAS Broadband Access Server is transmitted this confirmation to the multimedia terminal;
Go up the process of program with reference to Figure 12, explanation user program request ICP1.
1. the user enters the ICP1 in the navigation server selection ICP tabulation by remote controller;
2. the multimedia terminal goes out communication request to ICP1;
3.ICP1 return confirmation to the multimedia terminal;
4. corresponding multimedia demand information is sent to ICP1 in the multimedia terminal;
5.ICP1 in database, read out the multimedia messages that the user selects;
6.ICP1 described multimedia messages is returned the multimedia terminal;
The multimedia terminal with the multimedia information storage that receives in this machine hard disk; Or directly output is play.
With reference to Figure 13, the process of the scrambled program on user's program request ICP2 is described.
1. the user enters the ICP2 in the navigation server selection ICP tabulation by remote controller;
2. communication request is sent to ICP2 in the multimedia terminal, comprises user profile in the described request, as user ID etc.;
3.ICP2 return confirmation to the multimedia terminal;
4. corresponding multimedia demand information is sent to ICP2 in the multimedia terminal;
5.ICP2 in database, read out the multimedia messages that the user selects;
6.ICP2 calculate descramble key information with the scrambling control word according to user profile such as user ID;
7.ICP2 described descramble key information and scrambled data are returned the multimedia terminal;
8. the multimedia terminal is stored descramble key information and the multimedia messages after the scrambling that receives respectively in this machine hard disk;
9. the user profile in the user smart card (IC-card) is read in the multimedia terminal, and itself and descramble key information are decrypted computing, obtains corresponding scrambling control word;
10. user terminal adopts the scrambling control word obtain that the multimedia messages of described scrambling is carried out descrambling and output is play.
Certainly, the above only is a preferred implementation of the present invention, should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (15)
1, a kind of multimedia messages VOD system is applied to it is characterized in that in the broadband network, comprising:
Television terminal is used for play multimedia information;
The multimedia terminal is connected with described television terminal, is used to receive the multimedia messages that broadband network is sent, and sends to television terminal and plays, and send to broadband network after the IP Information On Demand processing with the user;
BAS Broadband Access Server is connected with the multimedia terminal, is used to make the multimedia terminal to insert the Internet;
Navigation server is connected with described BAS Broadband Access Server, is used for carrying out authentication, manage and provide index list to the some broadcasting user that carries out IP Information On Demand by described multimedia terminal;
ICP directly is connected with described BAS Broadband Access Server or is connected with described BAS Broadband Access Server by the internet, is used for providing according to user's IP Information On Demand the multimedia messages of program request, download.
2, according to the described multimedia messages VOD system of claim 1, it is characterized in that described navigation server comprises:
Network interface unit is used for access network;
Service management unit is used for a broadcasting user is carried out Account Administration and the respective point broadcasting user is authenticated, authorizes;
Service provides the unit, is used for being connected with a plurality of ICP by described BAS Broadband Access Server.
3, according to the described multimedia messages VOD system of claim 2, it is characterized in that described service management unit further comprises:
User management module is used for opening an account and cancellation of program request user account number, and rank and access rights that respective point broadcasting user account number is set;
Authentication module is used to finish the authentication and the spendable network service authentication of respective point broadcasting user;
Authorization module is used for the authorization message of checkpoint broadcasting user so that program request user-accessible service content is offered the user.
4, according to the described multimedia messages VOD system of claim 2, it is characterized in that described service provides the unit further to comprise:
The service catalogue module is used for providing optional service content catalogue to a broadcasting user;
ICP's index module is used for providing ICP's tabulation and the link of corresponding address to a broadcasting user.
5, according to the described multimedia messages VOD system of claim 1, it is characterized in that described ICP comprises:
The broadband access module is used for the multimedia terminal access network so that the some broadcasting user is selected corresponding multimedia-on-demand service;
Administration module is used to realize program request user account management and corresponding authentication, mandate, billing operation;
Service providing module is used to provide directory service, WEB service and streaming media service; And
Resource module is used to provide multimedia resource.
6, according to the described multimedia messages VOD system of claim 5, it is characterized in that described resource module further comprises:
Rm-cell, the warehouse-in and the outbound of management local media resource, and finish mandate, authentication, billing operation to the local media resource access with administration module;
Database Unit is used to preserve media resource so that user's program request;
Dispatching Unit is used for realizing and other ICP's exchange multimedia resources;
Load Balance Unit is used to adjust the load of described ICP, will transship service dispatch to other ICP when overload.
7, it is characterized in that according to the described multimedia messages VOD system of claim 5 described service providing module comprises:
The directory service unit is used for providing optional service catalogue to a broadcasting user;
Download unit is used for providing the download MMS (Multimedia Message Service) to a broadcasting user;
The WEB service unit is used for providing WEB content to the user; And
The streaming media service unit is used for providing video request program, multicast and live broadcast service to the user.
8, according to the described multimedia messages VOD system of claim 1, it is characterized in that described multimedia terminal comprises memory cell, be used to store multimedia messages;
9, according to the described multimedia messages VOD system of claim 1, it is characterized in that, described multimedia messages is the multimedia messages after the scrambling, described multimedia terminal further comprises the descrambling unit, be used for being decrypted computing obtaining the scrambling control word of described multimedia messages according to described descrambled control words and described user profile, and according to the described multimedia messages of described scrambling control word descrambling;
Described ICP further comprises:
Scrambling unit is used for multimedia messages is carried out scrambling;
Ciphering unit is used for asking the corresponding scrambling control word of the multimedia messages downloaded to carry out cryptographic calculation to obtain the descramble key of this content respective user information and user;
Output unit is used for multimedia messages and described descramble key are sent to the multimedia terminal.
10, a kind of multimedia messages order method, be applied in the multimedia messages VOD system, described multimedia messages VOD system comprises multimedia terminal, television terminal, BAS Broadband Access Server, navigation server, ICP, it is characterized in that, this method may further comprise the steps:
A, multimedia terminal start, and connect corresponding navigation server and carry out two-way authentication;
The index list that provides on B, the user by selecting navigation server is selected the multimedia programming in the program request ICP;
C, ICP authenticate the legitimacy of a broadcasting user, and after authentication was passed through, ICP sent to the multimedia terminal with service catalogue, play by sending to television terminal after the decoding of multimedia terminal;
D, some broadcasting user are further selected the multimedia messages shown in the service catalogue, and are sent to described ICP by the multimedia terminal;
E, ICP be according to the request of a broadcasting user, sends the multimedia messages of program request to multimedia terminal equipment, carries out corresponding control operation and charging simultaneously;
F, described multimedia terminal are to the multimedia information storage that receives or send television terminal to play after decoding.
11, multimedia messages order method according to claim 10 is characterized in that, described steps A further comprises:
A1, multimedia terminal power on and initialization;
A2, multimedia terminal navigation server send first authorization information; Navigation server carries out authentication according to described first authorization information;
A3, navigation server send second authorization information to the multimedia terminal; Authentication is carried out according to described second authentication information in the multimedia terminal.
12, multimedia messages order method according to claim 10 is characterized in that, described step B may further comprise the steps:
B1, some broadcasting user enter index list, the service content that select to need, and navigation server will be put service content and the user profile that broadcasting user selects and notify corresponding ICP to require to provide service then;
B2, some broadcasting user enter index list, check ICP's tabulation, and navigation server is linked to corresponding ICP according to user's selection with it then.
13, multimedia messages order method according to claim 10, it is characterized in that, described step F further comprises authentication step: the multimedia messages that the multimedia terminal parsing receives receives described multimedia messages in authentication by the back to obtain corresponding ICP information and to carry out corresponding authentication.
According to the described order method of claim 10, it is characterized in that 14, the multimedia messages that described step e transmits is scrambled multimedia information and corresponding secret key information.
15, multimedia messages order method according to claim 14 is characterized in that, described step F further comprises:
F2, storing step: store scrambled multimedia information and the corresponding descramble key information received respectively the multimedia terminal;
F3, descrambling step: the key information and the user profile of described storage are obtained the scrambling control word through decrypt operation, by the described scrambled multimedia data of this scrambling control word descrambling;
F4, broadcast step: will play through the multimedia messages decoding output of descrambling.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100393327A CN1558676A (en) | 2004-01-19 | 2004-01-19 | Multimedia information demanding system and demanding method |
| PCT/CN2004/001374 WO2005076531A1 (en) | 2004-01-19 | 2004-11-29 | Multimedia information on demand system and the method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2004100393327A CN1558676A (en) | 2004-01-19 | 2004-01-19 | Multimedia information demanding system and demanding method |
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| CN1558676A true CN1558676A (en) | 2004-12-29 |
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| WO (1) | WO2005076531A1 (en) |
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