CN106791954A - Digital TV video frequency program request control system - Google Patents

Digital TV video frequency program request control system Download PDF

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Publication number
CN106791954A
CN106791954A CN201611230235.5A CN201611230235A CN106791954A CN 106791954 A CN106791954 A CN 106791954A CN 201611230235 A CN201611230235 A CN 201611230235A CN 106791954 A CN106791954 A CN 106791954A
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CN
China
Prior art keywords
video
box
client
virtual
digital
Prior art date
Application number
CN201611230235.5A
Other languages
Chinese (zh)
Inventor
梁栋材
Original Assignee
广州高清视信数码科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广州高清视信数码科技股份有限公司 filed Critical 广州高清视信数码科技股份有限公司
Priority to CN201611230235.5A priority Critical patent/CN106791954A/en
Publication of CN106791954A publication Critical patent/CN106791954A/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/239Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
    • H04N21/2393Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/4104Peripherals receiving signals from specially adapted client devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/443OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4437Implementing a Virtual Machine [VM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/472End-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
    • H04N21/47202End-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

Abstract

The present invention relates to a kind of digital TV video frequency program request control system, including:Client device, virtual set-top box terminal, Set Top Box;The client device is connected by internet with the virtual set-top box terminal, and the virtual set-top box terminal through internet is connected with video server, and the Set Top Box is connected by one-way digital television network with the video server;The client device sends video playback and asks by the virtual set-top box terminal to the video server;Wherein, the video server is sent to the Set Top Box corresponding video according to video playback request.

Description

Digital TV video frequency program request control system

Technical field

The present invention relates to digital TV technology, more particularly to a kind of digital TV video frequency program request control system.

Background technology

With the development of science and technology DTV progressively moves towards practical and ripe.The most attractive part of DTV, not only exists In it picture and sound quality it is high, and mainly also reside in that it will expand to towards the television transmission mode of broadcast type can be with On-demand transmission of video (Video on Demand, VOD) mode of customer interaction.VOD is the letter of video on demand techniques Claim, also referred to as interactive television VOD system, i.e., according to corresponding video frequency program is played the need for user, fundamentally change User's past passive formula sees the deficiency of TV, so that user direct program request can wish the content watched at any time.

In conventional art, in order to realize video on-demand function, it is necessary to that sets up between video server and Set Top Box is two-way Network, makes user both to receive data, it is also possible to upload data.After current architecture bilateral network, user passes through IR remote controls Operation Set Top Box, after Set Top Box receives order, is made requests on by uploading channel forward end video server, and wait is received The broadcasting of audio frequency and video is carried out after the response parameter of server.

However, it is relatively costly to open bilateral network bandwidth (cable TV network).

The content of the invention

Based on this, it is necessary to for relatively costly problem, there is provided a kind of digital TV video frequency program request control system.

A kind of digital TV video frequency program request control system, including:

Client device, virtual set-top box terminal, Set Top Box;

The client device is connected by internet with the virtual set-top box terminal, and the virtual set-top box terminal is led to Cross internet to be connected with video server, the Set Top Box is connected by one-way digital television network with the video server Connect;

The client device sends video playback and asks by the virtual set-top box terminal to the video server; Wherein, the video server is sent to the Set Top Box corresponding video according to video playback request.

Above-mentioned digital TV video frequency program request control system, asks video playback by internet to be transmitted by client device To video server, and video is transmitted to Set Top Box by video server by one-way digital television network, it is achieved thereby that The function of digital TV video frequency program request is completed by one-way CATV network network, without opening bidirectional digital television network, effectively Reduce video request program cost.

Brief description of the drawings

Fig. 1 is the structural representation of the digital TV video frequency program request control system of one embodiment;

Fig. 2 is the workflow diagram of the digital TV video frequency program request control system of one embodiment.

Specific embodiment

Technical scheme is illustrated below in conjunction with the accompanying drawings.

As shown in figure 1, the present invention provides a kind of digital TV video frequency program request control system, it may include:

Client device, virtual set-top box terminal, Set Top Box;

The client device is connected by internet with the virtual set-top box terminal, and the virtual set-top box terminal is led to Cross internet to be connected with video server, the Set Top Box is connected by one-way digital television network with the video server Connect;

The client device sends video playback and asks by the virtual set-top box terminal to the video server; Wherein, the video server is sent to the Set Top Box corresponding video according to video playback request.

Client (Client) or be user terminal, refers to corresponding with server, provides the user the journey of local service Sequence.In addition to some application programs only in local runtime, it is typically mounted in common client computer, it is also possible to installed in intelligence Can terminal (for example, computer, mobile phone, flat board etc.), it is necessary to be worked in coordination operation with service end.The client device is to be provided with The terminal device of the above-mentioned type of client-side program.Preferably, client-side program can be installed on mobile phone, corresponding number is realized Word TV Video On Demand control function.

Set Top Box (Set Top Box, abbreviation STB), also referred to as digital video switching box, are a connection television set and outside The equipment of signal source.The data signal of compression can be changed into television content by it, and be shown on a television set.Signal can be with From wire cable, satellite antenna, broadband network and terrestrial broadcasting.The content that Set Top Box is received can be carried except simulated television More it is that can receive digital content, including electronic program guides, internet webpage, captions etc. outside image, the sound of confession Deng.Enable users to watch digital television program on existing television set, and formula can be interacted by network and digitize amusement, religion Educate and commercialization activity.

Virtual set-top box terminal can be PC (Personal Computer, personal computer).Can be installed in PC Virtual set-top box program, realizes the software implementation of set-top box functionality, and Set Top Box is partially ported to PC ends, and retention figures TV connects Receive function.

Virtual set-top box can realize user management, media asset management, play management, the big function of order management four, realize different The various pieces of function are separate, act on behalf of the various requests of Set Top Box.The order request of client device is not direct control machine Top box, but sent to video server (for example, broadcasting and TV VOD system) by virtual set-top box terminal, and the result of response Client device is returned to, meanwhile, video server issues video to Set Top Box by one-way digital television network, so indirect Ground possesses the passage for uploading and issuing.User management judges whether every client device is legal, presence;Media asset management Response user matchmaker's money request, and cache and mitigate system burden;It is to maintain each user video playing request state to play management; Order management is to forward cellphone subscriber's control command to Set Top Box, can be with remote control set-box by client device.The present invention has Help promote digital TV terminal industrial upgrading and the integration of three networks.The various functions to virtual set-top box terminal enter traveling one below The explanation of step.

User management

Virtual set-top box terminal can obtain the identity information of the client device;Institute is verified according to the identity information State the legitimacy of client device;If the client device is legal, video playback request is forwarded to the video clothes Business device.The identity information can be account, encrypted message.The client device can in advance to virtual set-top box endpoint registration Account, and password is set, virtual set-top box terminal can store account and password.During registration, extra adding can also be submitted to Checking information, as the foundation for giving or changing identity information for change.During authentication, user can be in the client device Corresponding account number cipher is input on client-side program, and account number cipher is sent to virtual set-top box terminal by client-side program carried out Checking.If account, password match, show that client device is legal, if account number cipher is mismatched, show that client sets It is standby illegal.In one embodiment, in order to simplify user's operation, after detecting identity information and be legal, institute can be set The term of validity of identity information is stated, before the deadline, when user logs in client-side program again, without being input into account number cipher repeatedly, Can directly log in.

In one embodiment, the identity information can also be bound with the unique mark of client device.Example Such as, when client device is mobile phone, can be by the SIM (Subscriber on the identity information and mobile phone Identification Module, client identification module) card card number bound.In this way, other visitors can be avoided Family end equipment usurps the identity information of this equipment, improves security.

In one embodiment, can also be modified in identity information described in virtual set-top box terminal-pair.Specifically, it is empty Intending STB terminal can receive the information modification instruction that the client device sends;Response described information modification instruction is to institute The identity information for stating client device is modified.Wherein, it is described modification instruction in can carry modification before identity information (or The additional identification information submitted to during person's registration original identity information) and amended identity information, during modification, virtual set-top box end Hold and the identity information before modification can be verified, if being proved to be successful, then identity information is modified, and to amended Identity information is preserved.Wherein, the operation of modification identity information is including increasing user, deleting user, modification information etc..

In one embodiment, the Set Top Box may also include digital television intelligent card.Smart card may include one it is built-in Processor and one with the interface of Set Top Box.Smart card can also include integrated internal memory, it is allowed to which Virtual network operator is to smart card Download application and data.Smart card need to have the security of height, to ensure that unauthorized user can not access DTV Service.At present, the major function of smart card is used to safe storage, decryption mandate and access rights, so as to be awarded to Set Top Box Power, in the application field in DTV future, smart card can also be programmed to play the function of stored value card, for online Shopping and other instant paid services.Each sheet smart card has an account, and having for smart card is may recognize that by the account Effect property.Specifically, the client device can obtain the account of the digital television intelligent card of the Set Top Box;By the void Intend STB terminal to send to the video server account;Wherein, the video server is tested according to the account The validity of the digital television intelligent card is demonstrate,proved, if the digital television intelligent card effectively, the video is sent to the machine Top box.If the digital television intelligent card is invalid, the video server can refuse perform send video operation, and to The client device returns to corresponding prompt message, and smart card described in notice client device is invalid.

Media asset management

Matchmaker's money refers to media asset, i.e. the text of the media such as newspaper office, broadcasting station, TV station, website, news agency unit storage The data such as word, picture, audio frequency and video, describe metadata and their copyright information of these data etc..In order to mitigate video clothes The burden of business device, the virtual set-top box terminal can also obtain the corresponding list of videos of video in the video server; The list of videos is synchronized to locally.In the list of videos can include each video title and/or classification (for example, Broadcasting channel, languages) etc. information.The client device can send video tour and ask to the virtual set-top box terminal, The virtual set-top box terminal can be sent to the visitor list of videos after the video tour request is received Family end equipment, browses for user.The client device can receive the list of videos that the virtual set-top box terminal sends, and Shown.

In one embodiment, user can also directly search video.Specifically, can be by client device to virtual STB terminal sends video retrieval instruction.The virtual set-top box terminal can receive the video that the client device sends Look-up command;Respond the video retrieval instruction and corresponding video information is searched from the list of videos;By video letter Breath is sent to the client device.

Play management

In one embodiment, the video that video server is handed down to Set Top Box is probably the video of encrypted state.Should add Close video only has the authorized user could to watch.If user has authorized, the key of decoding video can be stored in advance in In digital television intelligent card, the digital television intelligent card can receive the video that the video server sends;According to prestoring Key the video is decrypted;Video after decryption is forwarded to the Set Top Box.If successful decryption, illustrate user It is authorized to, the video after decryption directly can be forwarded to Set Top Box;If decryption failure, illustrates that user is not authorized to, Ke Yixiang Client device sends unauthorized information.

The virtual set-top box terminal can also inquire about the Set Top Box and work as according to default time interval (for example, 30 seconds) Preceding broadcast state;If the Set Top Box sends idle indication signal currently without video is played to the video server;Its In, the video server response idle indication signal reclaims the corresponding frequency resource of the video.The idle instruction Signal is not presently within broadcast state for characterizing Set Top Box.Need to take when issuing video to Set Top Box due to video server Certain frequency resource, if Set Top Box is not played out to video for a long time, can cause the waste of frequency resource.Pass through Aforesaid way, can avoid the frequency wasting of resources, improve resource utilization.In one embodiment, a number of times can be set Threshold value, if video server receives the number of times of idle indication signal more than the frequency threshold value, carries out frequency resource reclaim. In this way, it is possible to reduce erroneous judgement, Consumer's Experience is improved.

Order management

The client device can send broadcast state by the virtual set-top box terminal to the video server Control signal;Wherein, the video server responds the broadcast state that the broadcast state control signal controls the video, and Controlled video is sent to the Set Top Box.The broadcast state control signal can be used to control the broadcast state of video, bag Broadcast state, halted state, F.F. state, fast-rewinding state and/or playing progress rate etc. when including broadcast state, selecting.

Above-mentioned digital TV video frequency program request control system, asks video playback by internet to be transmitted by client device To video server, and video is transmitted to Set Top Box by video server by one-way digital television network, it is achieved thereby that The function of digital TV video frequency program request is completed by one-way CATV network network, without opening bidirectional digital television network, effectively Reduce video request program cost.

Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope of this specification record is all considered to be.

Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (10)

1. a kind of digital TV video frequency program request control system, it is characterised in that including:
Client device, virtual set-top box terminal, Set Top Box;
The client device is connected by internet with the virtual set-top box terminal, and the virtual set-top box terminal is by mutual Networking is connected with video server, and the Set Top Box is connected by one-way digital television network with the video server;
The client device sends video playback and asks by the virtual set-top box terminal to the video server;Its In, the video server is sent to the Set Top Box corresponding video according to video playback request.
2. digital TV video frequency program request control system according to claim 1, it is characterised in that the virtual set-top box end End is further used for:
Obtain the identity information of the client device;
The legitimacy of the client device is verified according to the identity information;
If the client device is legal, video playback request is forwarded to the video server.
3. digital TV video frequency program request control system according to claim 1, it is characterised in that also include:
The client device is further used for:
Obtain the account of the digital television intelligent card of the Set Top Box;
The account is sent to the video server by the virtual set-top box terminal;Wherein, the video server The validity of the digital television intelligent card is verified according to the account, if the digital television intelligent card effectively, is regarded described Take place frequently and deliver to the Set Top Box.
4. digital TV video frequency program request control system according to claim 1, it is characterised in that the virtual set-top box end End is additionally operable to:
Obtain the corresponding list of videos of video in the video server;
The list of videos is synchronized to locally.
5. digital TV video frequency program request control system according to claim 4, it is characterised in that the client device is also For:
Video tour is sent to the virtual set-top box terminal to ask;
Receive the list of videos that the virtual set-top box terminal sends.
6. digital TV video frequency program request control system according to claim 1, it is characterised in that the client device is also For:
Broadcast state control signal is sent to the video server by the virtual set-top box terminal;Wherein, the video Server responds the broadcast state that the broadcast state control signal controls the video, and controlled video is sent to described Set Top Box.
7. digital TV video frequency program request control system according to claim 2, it is characterised in that the virtual set-top box end End is additionally operable to:
Receive the information modification instruction that the client device sends;
Response described information modification instruction is modified to the identity information of the client device.
8. digital TV video frequency program request control system according to claim 4, it is characterised in that the virtual set-top box end End is additionally operable to:
Receive the video retrieval instruction that the client device sends;
Respond the video retrieval instruction and corresponding video information is searched from the list of videos;
The video information is sent to the client device.
9. digital TV video frequency program request control system according to claim 1, it is characterised in that the virtual set-top box end End is additionally operable to:
The current broadcast state of the Set Top Box is inquired about according to default time interval;
If the Set Top Box sends idle indication signal currently without video is played to the video server;Wherein, it is described to regard The frequency server response idle indication signal reclaims the corresponding frequency resource of the video.
10. digital TV video frequency program request control system according to claim 3, it is characterised in that the DTV intelligence Can block and be additionally operable to:
Receive the video that the video server sends;
The video is decrypted according to the key for prestoring;
Video after decryption is forwarded to the Set Top Box.
CN201611230235.5A 2016-12-27 2016-12-27 Digital TV video frequency program request control system CN106791954A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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