CN107295363A - A kind of System and method for for preventing intercutting suitable for digital television system - Google Patents
A kind of System and method for for preventing intercutting suitable for digital television system Download PDFInfo
- Publication number
- CN107295363A CN107295363A CN201710639451.3A CN201710639451A CN107295363A CN 107295363 A CN107295363 A CN 107295363A CN 201710639451 A CN201710639451 A CN 201710639451A CN 107295363 A CN107295363 A CN 107295363A
- Authority
- CN
- China
- Prior art keywords
- beacon
- digital television
- digital
- intercutted
- signal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005538 encapsulation Methods 0.000 claims abstract description 12
- 230000008054 signal transmission Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000018199 S phase Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012795 verification Methods 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
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
-
- 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
- H04N21/2351—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving encryption of additional data
-
- 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
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23614—Multiplexing of additional data and video streams
-
- 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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
- H04N21/4353—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving decryption of additional data
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Theoretical Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of suitable for the anti-System and method for intercutted of digital television system, it is related to digital television system and prevents intercutting field, its system is specifically included:Beacon stream generation unit, beacon stream encapsulation unit, television signal transmission unit, user terminal and administrative center;Described beacon stream generation unit is connected with beacon stream encapsulation unit, and beacon stream encapsulation unit is connected with television signal transmission unit, and television signal transmission unit is connected with user terminal and administrative center respectively.In existing received terrestrial digital broadcasting TV with being transformed in cable digital TV Equipment Foundations, and release the anti-method and system intercutted of complete set.Various malicious signal interference can be effectively resisted on the premise of system is without larger transformation and illegal signals are intercutted, substantially reduce the pressure manually monitored and cost, broadcasting and TV safe operation security system is improved, to keeping correct spin, maintaining social stability, create harmonious society and play great function.
Description
Technical field
Prevent intercutting field the present invention relates to digital television system, it is especially a kind of to prevent what is intercutted suitable for digital television system
System and method for.
Background technology
DTV is the important channel that governments at all levels provide TV public service, is that broad masses of the people obtain news letter
Breath, enjoys the important means of cultural life.While terrestrial DTV covering engineering is greatly developed, how it is ensured
Safe broadcast is the major issue for needing to consider.
At present because host-host protocol and standard are open and clear, in transmission link, program integrated platform is between cell site
Transmission link is easily replaced using plaintext, the coded system transmission services data of standardization, regular traffic by non-legitimate programme content
Or compacting.And in link is received, undocked collect mail number does a safety verification for any rank to set top box again, when intercutting signal parameter
It is consistent with the parameter in programme signal source, content can be decoded normally, then set top box will directly play illegal programs.This undoubtedly will be right
Uncertain negative effect is carried out in the stabilized zone of national society.Therefore, malice is effectively resisted to intercut attack, improve safe broadcast conscientiously
Go out supportability and the autonomous controllable ability of TV information safety, with highly important strategic importance.
The content of the invention
Prevent what is intercutted it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of digital television system that is applied to
System and method for, in existing received terrestrial digital broadcasting TV with being transformed in cable digital TV Equipment Foundations, and is released a set of
The complete anti-method and system intercutted.Various malicious signals can be effectively resisted on the premise of system is without larger transformation
Interference and illegal signals are intercutted, and are substantially reduced the pressure manually monitored and cost, are improved broadcasting and TV safe operation security system, to protecting
Correct spin is held, maintained social stability, created harmonious society and play great function.
The purpose of the present invention is achieved through the following technical solutions:It is a kind of to prevent what is intercutted suitable for digital television system
System, it is specifically included:In beacon stream generation unit, beacon stream encapsulation unit, television signal transmission unit, user terminal and management
The heart;Described beacon stream generation unit is connected with beacon stream encapsulation unit, beacon stream encapsulation unit and television signal transmission unit
It is connected, television signal transmission unit is connected with user terminal and administrative center respectively.
Further, it is a kind of suitable for digital television system it is anti-intercut be including:The anti-cut system of terrestrial DTV
With at least one of the anti-cut system of cable digital TV.
Further, the anti-cut system of described terrestrial DTV includes:Beacon generator, digital television signal source,
Multiplexer, modulator, user terminal and administrative center;Described beacon generator is connected with multiplexer, ground digital television signal
Source is connected with multiplexer, and multiplexer is connected with modulator, and modulator is connected with administrative center and client respectively.
Further, described administrative center includes security administration server and beacon detector.
Further, the anti-cut system of described cable digital TV, including:Beacon generator, cable digital TV letter
Number source, multiplexer, cable TV network, client and administrative center;Beacon generator is connected with multiplexer, cable digital TV
Signal source is connected with multiplexer, and multiplexer is connected with cable TV network, cable TV network respectively with user terminal with management in
The heart is connected.
Further, described administrative center includes security administration server and beacon detector.
A kind of method for preventing intercutting suitable for digital television system, it is characterised in that described kind is applied to DTV
The anti-method intercutted of system includes:At least the one of the anti-inserting method of terrestrial DTV and the anti-inserting method of cable digital TV
Kind.
Further, the anti-inserting method of described terrestrial DTV specifically includes following sub-step:
The ciphertext generated after encryption and signature is packaged into beacon stream by S001 beacon generators;
Beacon stream is encapsulated into ground digital television signal by S002 multiplexers;
S003 modulators provide being wirelessly transferred for ground digital television signal;
S004 beacons monitor is connected with security management center, and there is provided to ground digital television signal wireless monitor and alarm;
S005 clients pacify set top box there is provided the broadcasting to normal TV signal using height, the control to intercutting TV signal.
Further, the anti-inserting method of described cable digital TV specifically includes following sub-step:
The ciphertext generated after encryption and signature is packaged into beacon stream by S001 beacon generators;
Beacon stream is encapsulated into ground digital television signal by S002 multiplexers;
S003 multiplexers are connected with cable TV network, and there is provided the transmission of digital catv signal;
The beacon monitor that S004 is deployed on CATV transmission line road is connected with security management center, and there is provided to cabled digital
TV signal monitoring and alarm;
S005 clients pacify set top box there is provided the broadcasting to normal TV signal using height, the control to intercutting TV signal.
The beneficial effects of the invention are as follows:
(1)In existing received terrestrial digital broadcasting TV with being transformed in cable digital TV Equipment Foundations, and release complete set
The anti-method and system intercutted.
(2)Various malicious signal interference and illegal signals can be effectively resisted on the premise of system is without larger transformation
Intercut, substantially reduce the pressure manually monitored and cost, improve broadcasting and TV safe operation security system, to keeping correct public opinion to lead
To, maintain social stability, create harmonious society and play great function.
Brief description of the drawings
Fig. 1 is to be a kind of suitable for the anti-system framework figure intercutted of digital television system;
Fig. 2 is the anti-cut system block diagram of terrestrial DTV in one embodiment;
Fig. 3 is the anti-cut system block diagram of cable digital TV in one embodiment;
Fig. 4 is the anti-inserting method flow chart of terrestrial DTV in one embodiment;
Fig. 5 is the anti-inserting method flow chart of cable digital TV in one embodiment.
Embodiment
The specific embodiment of the present invention is described more fully below, it should be noted that the embodiments described herein is served only for citing
Illustrate, be not intended to limit the invention.In the following description, in order to provide thorough understanding of the present invention, a large amount of spies are elaborated
Determine details.It will be apparent, however, to one skilled in the art that:This hair need not be carried out using these specific details
It is bright.In other instances, in order to avoid obscuring the present invention, known circuit, software or method are not specifically described.
Throughout the specification, meaning is referred to " one embodiment ", " embodiment ", " example " or " example "
:It is comprised in reference to special characteristic, structure or the characteristic that the embodiment or example are described at least one embodiment of the invention.
Therefore, in each local phrase " in one embodiment " occurred, " in embodiment ", " example " of entire disclosure
Or " example " is not necessarily all referring to same embodiment or example.Furthermore, it is possible to any appropriate combination and or sub-portfolio will be specific
Feature, structure or property combination in one or more embodiments or example.In addition, those of ordinary skill in the art should manage
Solution, diagram is provided to the purpose of explanation provided herein, and diagram is not necessarily drawn to scale.
As shown in figure 1, a kind of suitable for the anti-system intercutted of digital television system, it is characterised in that it is specifically included:Letter
Mark stream generation unit, beacon stream encapsulation unit, television signal transmission unit, user terminal and administrative center;Described beacon stream life
It is connected into unit with beacon stream encapsulation unit, beacon stream encapsulation unit is connected with television signal transmission unit, television signal transmission
Unit is connected with user terminal and administrative center respectively.
As shown in Fig. 2 the anti-cut system of terrestrial DTV includes:Beacon generator, digital television signal source, multiplexing
Device, modulator, user terminal and administrative center;Described beacon generator is connected with multiplexer, ground digital television signal source with
Multiplexer is connected, and multiplexer is connected with modulator, and modulator is connected with administrative center and client respectively.
Described administrative center includes security administration server and beacon detector.
As shown in figure 3, the anti-cut system of cable digital TV, including:Beacon generator, digital catv signal source,
Multiplexer, cable TV network, client and administrative center;Beacon generator is connected with multiplexer, digital catv signal
Source is connected with multiplexer, and multiplexer is connected with cable TV network, cable TV network respectively with user terminal and administrative center's phase
Even.
Described administrative center includes security administration server and beacon detector.
As shown in figure 4, the anti-inserting method of terrestrial DTV specifically includes following sub-step:
The ciphertext generated after encryption and signature is packaged into beacon stream by S001 beacon generators;
Beacon stream is encapsulated into ground digital television signal by S002 multiplexers;
S003 modulators provide being wirelessly transferred for ground digital television signal;
S004 beacons monitor is connected with security management center, and there is provided to ground digital television signal wireless monitor and alarm;
S005 clients pacify set top box there is provided the broadcasting to normal TV signal using height, the control to intercutting TV signal.
As shown in figure 5, the anti-inserting method of described cable digital TV specifically includes following sub-step:
The ciphertext generated after encryption and signature is packaged into beacon stream by S001 beacon generators;
Beacon stream is encapsulated into ground digital television signal by S002 multiplexers;
S003 multiplexers are connected with cable TV network, and there is provided the transmission of digital catv signal;
The beacon monitor that S004 is deployed on CATV transmission line road is connected with security management center, and there is provided to cabled digital
TV signal monitoring and alarm;
S005 clients pacify set top box there is provided the broadcasting to normal TV signal using height, the control to intercutting TV signal.
The present invention, can beacon by AES using domestic commercial cipher technology and domestic autonomous controllable platform is used
Know information(Referred to as " beacon ")It is added in TV programme stream, and in program streaming and covering link to credible in program stream
Identification information is verified, can realize effective interception to illegal spot, conscientiously improve received terrestrial digital broadcasting TV with
The safe broadcast supportability of Digital Cable Television System.
Described above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form, is not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and environment, and can be at this
In the text contemplated scope, it is modified by the technology or knowledge of above-mentioned teaching or association area.And those skilled in the art are entered
Capable change and change does not depart from the spirit and scope of the present invention, then all should appended claims of the present invention protection domain
It is interior.
Claims (9)
1. it is a kind of suitable for the anti-system intercutted of digital television system, it is characterised in that it is specifically included:The generation of beacon stream is single
Member, beacon stream encapsulation unit, television signal transmission unit, user terminal and administrative center;Described beacon stream generation unit and letter
Mark stream encapsulation unit be connected, beacon stream encapsulation unit is connected with television signal transmission unit, television signal transmission unit respectively with
User terminal is connected with administrative center.
2. it is according to claim 1 a kind of suitable for the anti-system intercutted of digital television system, it is characterised in that Yi Zhongshi
For digital television system it is anti-intercut be including:The anti-cut system of terrestrial DTV and the anti-cut system of cable digital TV
At least one.
3. it is according to claim 2 a kind of suitable for the anti-system intercutted of digital television system, it is characterised in that described
The anti-cut system of terrestrial DTV includes:Beacon generator, digital television signal source, multiplexer, modulator, user terminal and pipe
Reason center;Described beacon generator is connected with multiplexer, and ground digital television signal source is connected with multiplexer, and multiplexer is with adjusting
Device processed is connected, and modulator is connected with administrative center and client respectively.
4. it is according to claim 3 a kind of suitable for the anti-system intercutted of digital television system, it is characterised in that:Described
Administrative center includes security administration server and beacon detector.
5. it is according to claim 2 a kind of suitable for the anti-system intercutted of digital television system, it is characterised in that described
The anti-cut system of cable digital TV, including:Beacon generator, digital catv signal source, multiplexer, cable television network
Network, client and administrative center;Beacon generator is connected with multiplexer, and digital catv signal source is connected with multiplexer, multiple
It is connected with device with cable TV network, cable TV network is connected with user terminal with administrative center respectively.
6. it is according to claim 5 a kind of suitable for the anti-system intercutted of digital television system, it is characterised in that:Described
Administrative center includes security administration server and beacon detector.
7. it is a kind of suitable for the anti-method intercutted of digital television system, its feature according to claim 1-6 any one
It is, described kind, which is applied to the anti-method intercutted of digital television system, to be included:The anti-inserting method of terrestrial DTV and wired
At least one of the anti-inserting method of DTV.
8. it is according to claim 6 a kind of suitable for the anti-method intercutted of digital television system, it is characterised in that described
The anti-inserting method of terrestrial DTV specifically includes following sub-step:
The ciphertext generated after encryption and signature is packaged into beacon stream by S001 beacon generators;
Beacon stream is encapsulated into ground digital television signal by S002 multiplexers;
S003 modulators provide being wirelessly transferred for ground digital television signal;
S004 beacons monitor is connected with security management center, and there is provided to ground digital television signal wireless monitor and alarm;
S005 clients pacify set top box there is provided the broadcasting to normal TV signal using height, the control to intercutting TV signal.
9. it is according to claim 6 a kind of suitable for the anti-method intercutted of digital television system, it is characterised in that:Described
The anti-inserting method of cable digital TV specifically includes following sub-step:
The ciphertext generated after encryption and signature is packaged into beacon stream by S001 beacon generators;
Beacon stream is encapsulated into ground digital television signal by S002 multiplexers;
S003 multiplexers are connected with cable TV network, and there is provided the transmission of digital catv signal;
The beacon monitor that S004 is deployed on CATV transmission line road is connected with security management center, and there is provided to cabled digital
TV signal monitoring and alarm;
S005 clients pacify set top box there is provided the broadcasting to normal TV signal using height, the control to intercutting TV signal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710639451.3A CN107295363A (en) | 2017-07-31 | 2017-07-31 | A kind of System and method for for preventing intercutting suitable for digital television system |
Applications Claiming Priority (1)
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CN201710639451.3A CN107295363A (en) | 2017-07-31 | 2017-07-31 | A kind of System and method for for preventing intercutting suitable for digital television system |
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CN107295363A true CN107295363A (en) | 2017-10-24 |
Family
ID=60103927
Family Applications (1)
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CN201710639451.3A Pending CN107295363A (en) | 2017-07-31 | 2017-07-31 | A kind of System and method for for preventing intercutting suitable for digital television system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109005450A (en) * | 2018-07-16 | 2018-12-14 | 广州辉群智能科技有限公司 | A kind of broadcast controlling method and device of broadcasting equipment |
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CN105307054A (en) * | 2015-10-28 | 2016-02-03 | 成都三零凯天通信实业有限公司 | Inter cut prevention method for terrestrial digital television |
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CN207010878U (en) * | 2017-07-31 | 2018-02-13 | 成都三零凯天通信实业有限公司 | A kind of system for preventing intercutting suitable for digital television system |
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Application publication date: 20171024 |