CN106817589A - The front end switching system and method for a kind of TV programme - Google Patents
The front end switching system and method for a kind of TV programme Download PDFInfo
- Publication number
- CN106817589A CN106817589A CN201611190011.6A CN201611190011A CN106817589A CN 106817589 A CN106817589 A CN 106817589A CN 201611190011 A CN201611190011 A CN 201611190011A CN 106817589 A CN106817589 A CN 106817589A
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- program
- stream
- top box
- entitlement
- set top
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000004048 modification Effects 0.000 claims description 16
- 238000012986 modification Methods 0.000 claims description 16
- 238000013475 authorization Methods 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000009545 invasion Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- 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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
-
- 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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25866—Management of end-user data
- H04N21/25875—Management of end-user data involving end-user authentication
-
- 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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4108—Peripherals receiving signals from specially adapted client devices characterised by an identification number or address, e.g. local network address
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42225—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details characterized by types of remote control, e.g. universal remote control
-
- 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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- Computer Graphics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention provides the front end switching system and method for a kind of TV programme, the system includes front end switch device and connected front end scrambling device, the also terminal set top box including being connected with the front end scrambling device；The front end switch device, for generating program identification and being encapsulated into Entitlement Control Message (ECM), and generates handover request and switching program identification and is encapsulated into Entitlement Management Message (EMM)；The front end scrambling device is used to be added to all of program identification the transmission of program data stream and program scrambling and program stream；The terminal set top box is used to decapsulating, descramble and switching program.Implement the front end switching system and method for a kind of TV programme that the present invention is provided, program offers can directly switch the current program watched of user, and complicated information is presented to by client using signal scrambling technique and multiplexing technology exactly, for issuing documentary whip to tackle emergency situations in time or to intercut important advertisement.
Description
Technical field
The present invention relates to digital TV technology, more particularly to a kind of TV programme front end switching system and method.
Background technology
Condition receiving system CAS (Conditional Access System) is paid for the core skill of digital television broadcasting
Art, its major function is to prevent illegal invasion digital broadcast network, and allows authorized user to watch specific program and make
Unauthorized user cannot watch.But in current cas system, the operation of switching TV program is sent out by terminal set top box
Rise, that is, directly operated by user.When program provider has critical event to inform client, can only be inserted by picture
Enter the static mode such as captions, picture to operate, but this mode is difficult that complicated information is presented into client exactly.
The content of the invention
The present invention provides the front end switching system and method for a kind of TV programme, solves in front end switch device envelope
The program identification of to be switched program is filled, then realization is descrambled finally by terminal set top box by the scrambling of front end scrambling device and remotely cut
Change the technical problem of specific program.
To solve above technical problem, the present invention provides a kind of front end switching system of TV programme, including front end switching
Control device and connected front end scrambling device, the also terminal set top box including being connected with the front end scrambling device；
The front end switch device, for program identification and being encapsulated into Entitlement Control Message for each program is generated,
When there is handover request, the program identification of to be switched program and the handover request are packaged into Entitlement Management Message, and by institute
State Entitlement Management Message and be sent collectively to front end scrambling with the Entitlement Control Message of the program identification containing all programs and set
It is standby；
The front end scrambling device is used to receive Entitlement Management Message and the mandate that the front end switch device sends
The program data stream that control information and program supply equipment send, number of programs is added to by the program identification in Entitlement Control Message
According to stream, and program data stream is scrambled, then by the Entitlement Management Message, Entitlement Control Message and program data stream
Composition program stream is sent collectively to the terminal set top box；
The terminal set top box is used to receive the program stream, and to be switched section is parsed from the Entitlement Management Message
After purpose program identification, corresponding program identification is found out in program data stream, and current television program is switched to be cut
Change program.
Specifically, the program identification is made up of network ID, TS stream IDs and program ID；The program identification for it is described each
The unique mark of program.
Further, front end multiplexer 21 and terminal are also associated between terminal set top box described in the front end scrambling device
Modulator；The front end multiplexer 21 is used to be sent to after being multiplexed the program stream that the front end scrambling device sends
The end modification device；The program stream that the end modification device is used for after being multiplexed to the front end multiplexer 21 is demodulated
And it is sent to the terminal set top box.
Further, a front end switch device manages at least one front end scrambling device；One institute
State front end scrambling device and manage at least one terminal set top box.
The present invention also provides a kind of front end changing method of TV programme, comprises the following steps：
S1. the front end switch device is that each program generates program identification and is encapsulated into Entitlement Control Message, when
When having handover request, the program identification of to be switched program and the handover request are packaged into Entitlement Management Message；
S2. be sent collectively to for the Entitlement Management Message and Entitlement Control Message described by the front end switch device
Front end scrambling device；
S3. the front end scrambling device receives Entitlement Management Message and the mandate control that the front end switch device sends
The program data stream that information processed and outside program supply equipment send, program is added to by the program identification in Entitlement Control Message
Scrambled in data flow and to program, then constitute the Entitlement Management Message, Entitlement Control Message and program data stream
Program stream is sent collectively to the terminal set top box；
S4. the terminal set top box receives the program stream, and to be switched section is parsed from the Entitlement Management Message
After purpose program identification, corresponding program identification is found out in program data stream, and current television program is switched to be cut
Change program.
Further, the step S5 also includes implementation process：The front end scrambling device sends the program and flows to institute
State front end multiplexer；The front end multiplexer is sent to after being multiplexed to the program stream that the front end scrambling device sends
The end modification device；The end modification device is received and sent after demodulating the program stream after the front end multiplexer multiplexing
To the terminal set top box.
The front end switching system and method for a kind of TV programme that the present invention is provided, program offers are switched by front end to be controlled
Control equipment directly encapsulates the program identification of to be switched program, front end scrambling device scrambling is re-send to, finally by terminal set top box
Descrambling realizes long-range switching specific program, and program offers can directly switch the current program watched of user, and using scrambling skill
Complicated information is presented to client by art and multiplexing technology exactly, for issue documentary whip or intercut important advertisement so as to and
When tackle emergency situations.
Brief description of the drawings
Fig. 1 is that the embodiment of the present invention provides a kind of structural representation of the front end switching system of TV programme；
Fig. 2 is a kind of general flow chart of the front end changing method of TV programme provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described.It is only below preferred embodiment, does not constitute limiting the scope of the invention.
It is that the embodiment of the present invention provides a kind of structural representation of the front end switching system of TV programme referring to Fig. 1.At this
In embodiment, a kind of front end switching system of described TV programme, including front end switch device 10 and connected
Front end scrambling device 20, the also terminal set top box 30 including being connected with the front end scrambling device 20；
The front end switch device 10, for for each program generates program identification and is encapsulated into Entitlement Control Message
(ECM), when there is handover request, the program identification of to be switched program and the handover request are encapsulated into Entitlement Management Message
(EMM), and by the Entitlement Management Message (EMM) with containing all programs program identification Entitlement Control Message
(ECM) --- (EMM＆ECM) is sent collectively to the front end scrambling device 20 by TCP/IP networks.Whole front end switching control
The concrete operations of equipment 10 are equipped on condition receiving system CAS (Conditional Access System).
The front end scrambling device 20 is used to receive the Entitlement Management Message that the front end switch device 10 sends
(EMM) and the program data stream that sends of Entitlement Control Message (ECM) and program supply equipment, by the Entitlement Management Message
(EMM) program identification in is added in program data stream, and program data stream is scrambled, then by the empowerment management
Information (EMM), Entitlement Control Message (ECM) and program data stream composition program stream are sent collectively to the terminal set top box 30；
The program identification is made up of network ID, TS stream IDs and program ID；The program identification is the unique mark of each program.
The terminal set top box 30 is used to receive the program stream, and is parsed from the Entitlement Control Message (EMM)
After the program identification of to be switched program, corresponding program identification is found out in program data stream, and current television program is cut
It is changed to be switched program.
Front end multiplexer 21 and end modification are also associated between terminal set top box 30 described in the front end scrambling device 20
Device 31 (QAM modulation device)；The front end multiplexer 21 is used to carry out the program stream that the front end scrambling device 20 sends
The end modification device 31 (QAM modulation device) is sent to after multiplexing；The end modification device 31 (QAM modulation device) is used for described
The program stream after front end multiplexer 21 is multiplexed is demodulated and is sent to the (1~machine of Set Top Box of all of terminal set top box 30
Top box N, N >=1).
In the present embodiment, a front end switch device 10 manages at least one front end scrambling device
20；One front end scrambling device 20 manages at least one terminal set top box 30.
Using the system, program offers directly can directly switch program, issue weight in front end switch device 10
Important advertisement is notified or intercutted to tackle emergency situations etc. in time, is directly operated without user, remote control and regulation can be accomplished.
It is a kind of flow chart of the front end changing method of TV programme provided in an embodiment of the present invention with reference to Fig. 2.In this reality
Apply in example, the embodiment of the present invention also provides a kind of front end of the TV programme of the front end switching system based on above-mentioned TV programme and cuts
Method is changed, is comprised the following steps：
S1. generate program identification and be encapsulated into Entitlement Control Message (ECM), generation handover request and switching program identification are simultaneously
It is encapsulated into Entitlement Management Message (EMM) --- the front end switch device 10 is that each program generates program identification and encapsulates
Enter Entitlement Control Message, if any handover request, the program identification of to be switched program and the handover request are encapsulated into authorize pipe
Reason information (EMM)；
S2. Entitlement Management Message and Entitlement Control Message (EMM＆ECM) --- the front end switch device 10 are sent
The Entitlement Management Message (EMM) and Entitlement Control Message (ECM) are sent collectively to the front end scrambling device 20；
S3. program identification is added to program data stream；Program scrambling sends with program stream --- and the front end scrambling sets
For 20 Entitlement Management Messages (EMM) and Entitlement Control Message (ECM) for receiving the transmission of front end switch device 10 and outward
The program data stream that portion's program supply equipment sends, program is added to by the program identification in the Entitlement Control Message (ECM)
Data flow, and being scrambled to program data stream, then by the Entitlement Management Message (EMM), Entitlement Control Message (ECM) with
Program data stream composition program stream is sent collectively to the terminal set top box 30；
S4. decapsulating, descramble and switch program --- the terminal set top box 30 receives the program stream, and is awarded from described
After the program identification of to be switched program is parsed in power management information (EMM), found out in the program data stream corresponding
Program identification, and current television program is switched into be switched program.
Wherein, the step S3 also includes implementation process：The front end scrambling device 20 first sends the program and flows to institute
State front end multiplexer 21；After the program stream that the front end scrambling device 20 of the front end multiplexer 21 pairs sends is multiplexed
Re-send to the end modification device 31 (QAM modulation device)；The end modification device 31 (QAM modulation device) receives and demodulates described
The terminal set top box 30 is sent to after the program stream after the multiplexing of front end multiplexer 21.Scrambled, multiplexing, descrambling and solution
Multiplexing can improve the transmission quality and efficiency of the program stream, complicated information more accurately can be presented into client.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (6)
1. the front end switching system of a kind of TV programme, it is characterised in that including front end switch device and connected
Front end scrambling device, the also terminal set top box including being connected with the front end scrambling device；
The front end switch device, for program identification and being encapsulated into Entitlement Control Message for each program is generated, when having
During handover request, the program identification of to be switched program and the handover request are encapsulated into Entitlement Management Message, and award described
Power management information is sent collectively to the front end scrambling device with the Entitlement Control Message of the program identification containing all programs；
The front end scrambling device is used to receive Entitlement Management Message and the authorization control that the front end switch device sends
The program data stream that information and program supply equipment send, number of programs is respectively added to by the program identification in Entitlement Control Message
Scrambled according in stream and to program data stream, then by the Entitlement Management Message, Entitlement Control Message and program data stream
Composition program stream is sent collectively to the terminal set top box；
The terminal set top box is used to receive the program stream, and the to be switched section is parsed from the Entitlement Management Message
After purpose program identification, corresponding program identification is found out in the program data stream, and current television program is switched to
To be switched program.
2. the front end switching system of a kind of TV programme as claimed in claim 1, it is characterised in that：The program identification is by net
Network ID, TS stream ID and program ID are constituted；The program identification is the unique mark of each program.
3. the front end switching system of a kind of TV programme as claimed in claim 1, it is characterised in that：The front end scrambling device
Front end multiplexer and end modification device are also associated between the terminal set top box；The front end multiplexer is used for the front end
The program stream that scrambling device sends is sent to the end modification device after being multiplexed；The end modification device is used for institute
The program stream after the multiplexer multiplexing of front end is stated to be demodulated and be sent to the terminal set top box.
4. the front end switching system of a kind of TV programme as claimed in claim 1, it is characterised in that：One front end TV
At least one front end scrambling device of TV program control equipment control；One front end scrambling device management is at least described in one
Terminal set top box.
5. the front end changing method of a kind of TV programme, it is characterised in that comprise the following steps：
S1. the front end switch device is that each program is generated and program identification and is encapsulated into Entitlement Control Message, when cutting
When changing request, the program identification of to be switched program and the handover request are encapsulated into Entitlement Management Message；
S2. the Entitlement Management Message and Entitlement Control Message are sent collectively to the front end by the front end switch device
Scrambling device；
S3. the front end scrambling device receives the Entitlement Management Message and authorization control letter that the front end switch device sends
The program data stream that breath and outside program supply equipment send, the program identification in the Entitlement Control Message is respectively added to
In program data stream, and program data stream is scrambled, then by the Entitlement Management Message, Entitlement Control Message and program
Data flow composition program stream is sent collectively to the terminal set top box；
S4. the terminal set top box receives the program stream, and to be switched program is parsed from the Entitlement Management Message
After program identification, corresponding program identification is found out in program data stream, and current television program is switched into be switched section
Mesh.
6. the front end changing method of a kind of TV programme as claimed in claim 5, it is characterised in that the step S3 also includes
Implementation process：The front end scrambling device sends the program and flows to the front end multiplexer；The front end multiplexer is to described
The program stream that front end scrambling device sends is sent to the end modification device after being multiplexed；The end modification device is received
And it is sent to the terminal set top box after demodulating the program stream after the front end multiplexer multiplexing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611190011.6A CN106817589A (en) | 2016-12-21 | 2016-12-21 | The front end switching system and method for a kind of TV programme |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611190011.6A CN106817589A (en) | 2016-12-21 | 2016-12-21 | The front end switching system and method for a kind of TV programme |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106817589A true CN106817589A (en) | 2017-06-09 |
Family
ID=59109040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611190011.6A Pending CN106817589A (en) | 2016-12-21 | 2016-12-21 | The front end switching system and method for a kind of TV programme |
Country Status (1)
| Country | Link |
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| CN (1) | CN106817589A (en) |
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| CN102946569A (en) * | 2012-11-28 | 2013-02-27 | 康佳集团股份有限公司 | Set top box emergency broadcast method and system |
| US20150052551A1 (en) * | 2013-08-19 | 2015-02-19 | Funai Electro Co., Ltd. | Emergency notification control device and emergency notification system |
| CN104717547A (en) * | 2013-12-13 | 2015-06-17 | 国家广播电影电视总局广播电视卫星直播管理中心 | Direct broadcast satellite emergency broadcasting system and direct broadcast satellite broadcast reception device |
| CN105245941A (en) * | 2015-09-30 | 2016-01-13 | 青岛海信宽带多媒体技术有限公司 | Encryption television program switching method and device |
| CN105471533A (en) * | 2015-12-31 | 2016-04-06 | 深圳Tcl数字技术有限公司 | Digital television emergency broadcast playing method and digital television terminal |
-
2016
- 2016-12-21 CN CN201611190011.6A patent/CN106817589A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272449A (en) * | 2008-03-28 | 2008-09-24 | 山东泰信电子有限公司 | Television advertisement cut-broadcasting method based on digital TV set-top box |
| CN102946569A (en) * | 2012-11-28 | 2013-02-27 | 康佳集团股份有限公司 | Set top box emergency broadcast method and system |
| US20150052551A1 (en) * | 2013-08-19 | 2015-02-19 | Funai Electro Co., Ltd. | Emergency notification control device and emergency notification system |
| CN104717547A (en) * | 2013-12-13 | 2015-06-17 | 国家广播电影电视总局广播电视卫星直播管理中心 | Direct broadcast satellite emergency broadcasting system and direct broadcast satellite broadcast reception device |
| CN105245941A (en) * | 2015-09-30 | 2016-01-13 | 青岛海信宽带多媒体技术有限公司 | Encryption television program switching method and device |
| CN105471533A (en) * | 2015-12-31 | 2016-04-06 | 深圳Tcl数字技术有限公司 | Digital television emergency broadcast playing method and digital television terminal |
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Application publication date: 20170609 |