CN104244080A - Digital television signal descramble device, system and terminal - Google Patents
Digital television signal descramble device, system and terminal Download PDFInfo
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- CN104244080A CN104244080A CN201410462660.1A CN201410462660A CN104244080A CN 104244080 A CN104244080 A CN 104244080A CN 201410462660 A CN201410462660 A CN 201410462660A CN 104244080 A CN104244080 A CN 104244080A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
Abstract
The invention belongs to the field of digital televisions, and provides a digital television signal descramble device. The digital television signal descramble device comprises a tuning demodulation module and a descramble control module. The tuning demodulation module is connected with a digital television network and the descramble control module. The descramble control module is connected with an intelligent terminal broadcasting system and the tuning demodulation module. After the digital television signal descramble device conducts descramble on a digital television signal of the broadcasting television network, the signal is sent to an intelligent terminal, a program broadcasting module of the intelligent terminal is used for decoding and displaying a descramble current program transmission stream through the program broadcasting module of the intelligent terminal, on one hand, decoding and displaying equipment of the intelligent terminal is effectively utilized, on the other hand, decoding equipment in the digital television signal descramble device is omitted, and therefore the equipment cost of the digital television signal descramble device is lowered.
Description
Technical field
The invention belongs to TV domain, particularly relate to a kind of digital television signal descrambler, system and terminal.
Background technology
Along with the development of Digital Television turn over and intelligent television, operator provides increasing HD video resource, existing Digital HDTV STB (comprises program playing module, for decoding and showing) although can high-definition program be play, but its cost is higher, simultaneously, because its function and intelligent television partially overlap, effectively do not utilize the device resource of intelligent television, although cause user to have high performance intelligent television, but cannot use its powerful function, waste device resource.
Summary of the invention
The embodiment of the present invention provides a kind of digital television signal descrambler, be intended to solve existing Digital Television high definition set top box function and intelligent television partially overlaps, effectively do not utilize the device resource of intelligent television, although cause user to have high performance intelligent television, but cannot use its powerful function, waste device resource.
The embodiment of the present invention is achieved in that a kind of digital television signal descrambler, and described device comprises:
Tuning demodulation module, be connected with described digital TV network and descrambling control module respectively, for receiving the digital television signal from television network broadcast, according to the tuning demodulation order that descrambling control module sends, after digital television signal being converted to transport stream, be sent to descrambling control module;
Descrambling control module, respectively with intelligent terminal Play System and described tuning demodulation module, for receiving the play instruction of described transport stream and the transmission of described intelligent terminal Play System, tuning demodulation order is sent to described tuning demodulation module according to described play instruction, descrambling is carried out to the transport stream of the actual program in described transport stream, and the transport stream after descrambling is sent to intelligent terminal Play System.
The embodiment of the present invention also provides a kind of intelligent terminal Play System, and described intelligent terminal Play System comprises:
Second communication interface module, be connected with the second control module, program playing module and digital television signal descrambler respectively, play instruction for described second control module being sent sends digital television signal descrambler to, to make digital television signal descrambler process digital television signal according to described play instruction, and the transport stream through the process of described digital television signal descrambler is sent to described program playing module plays;
Second control module, be connected with described second communication interface module, program playing module, for generating play instruction, and described play instruction is sent to described second communication interface module, to make play instruction send digital television signal descrambler to by described second communication interface module, and control the broadcast state of player; And
Program playing module, be connected with the second communication interface module, the second control module, for receiving that described second communication interface module transmits, after the process of digital television signal descrambler transport stream, and carry out decoding and showing according to the play command that described second control module sends.
The embodiment of the present invention also provides a kind of digital television signal descrambling system, and described intelligent terminal Play System comprises:
Second communication interface module, be connected with the second control module, program playing module and digital television signal descrambler respectively, play instruction for described second control module being sent sends digital television signal descrambler to, to make digital television signal descrambler process digital television signal according to described play instruction, and the transport stream through the process of described digital television signal descrambler is sent to described program playing module carries out decoding and showing;
Second control module, be connected with described second communication interface module, program playing module, for generating play instruction, and described play instruction is sent to described second communication interface module, to make play instruction send digital television signal descrambler to by described second communication interface module, and control the broadcast state of player; And
Program playing module, be connected with the second communication interface module, the second control module, for receiving that described second communication interface module transmits, after the process of digital television signal descrambler transport stream, and carry out decoding and showing according to the play command that described second control module sends.
The embodiment of the present invention also provides a kind of terminal, comprising: communication interface and digital television signal descrambler, and described digital television signal descrambler comprises:
Tuning demodulation module, be connected with described digital TV network and descrambling control module respectively, for receiving the digital television signal from television network broadcast, according to the tuning demodulation order that descrambling control module sends, after digital television signal being converted to transport stream, be sent to descrambling control module;
Descrambling control module, respectively with communication interface and described tuning demodulation module, for receiving the play instruction of described transport stream and the transmission of described communication interface, tuning demodulation order is sent to described tuning demodulation module according to described play instruction, descrambling is carried out to the transport stream of the actual program in described transport stream, and the transport stream after descrambling is sent to communication interface.
After the digital television signal descrambler that the embodiment of the present invention provides carries out descrambling to the digital television signal of television network broadcast, send to intelligent terminal, the program playing module of intelligent terminal is utilized to decode to the actual program transport stream after descrambling and show, effectively make use of decoding and the display device of intelligent terminal on the one hand, on the other hand owing to decreasing the decoding device in digital television signal descrambler, reduce the equipment cost of digital television signal descrambler.
Accompanying drawing explanation
Fig. 1 is the structural representation of the digital television signal descrambler that the embodiment of the present invention one provides;
Fig. 2 is the structural representation of the digital television signal descrambler that the embodiment of the present invention two provides;
Fig. 3 is the structural representation of the intelligent terminal Play System that the embodiment of the present invention three provides;
Fig. 4 is the structural representation of the intelligent terminal Play System that the embodiment of the present invention four provides;
Fig. 5 is the structural representation of the digital television signal descrambling system that the embodiment of the present invention five provides;
Fig. 6 is the structural representation of the digital television signal descrambling system that the embodiment of the present invention six provides;
Fig. 7 is the structural representation of the terminal that the embodiment of the present invention seven provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
After the digital television signal descrambler that the embodiment of the present invention provides carries out descrambling to the digital television signal of television network broadcast, directly send to intelligent terminal, utilize the program playing module of intelligent terminal that the actual program transport stream after descrambling is carried out to descrambling and shown, effectively make use of descrambling and the display device of intelligent terminal on the one hand, on the other hand owing to decreasing the descrambler device in digital television signal descrambler, reduce the equipment cost of digital television signal descrambler.
Fig. 1 shows the structure of the digital television signal descrambler that the embodiment of the present invention one provides, and for convenience of description, illustrate only the part relevant to the embodiment of the present invention.
The digital television signal descrambler that the embodiment of the present invention provides can be the unit that hardware cell, software unit or hardware and software on condition reception device combine.
Digital television signal descrambler 100 of the present invention processes for the digital television signal transmitted television network broadcast, after the signal that acquisition intelligent terminal can be play, sends intelligent terminal to and carries out decoding and showing.Intelligent terminal described in the embodiment of the present invention includes but not limited to panel computer, intelligent television, the Internet box etc.
Digital television signal playing device 100 of the present invention comprises tuning demodulation module 110 and descrambling control module 120.
Tuning demodulation module 110 is connected with described digital TV network and descrambling control module 120 respectively, receive the digital television signal from television network broadcast, according to the control command that descrambling control module 120 sends, after digital television signal being converted to transport stream, be sent to descrambling control module 120.
As one embodiment of the invention, after tuning demodulation module 110 receives the control command of descrambling control module 120 transmission, switch and lock and specify frequency, self symbol rate and modulation are set, digital television signal is converted to transport stream, and output transport stream is to descrambling control module 120.
Descrambling control module 120 respectively with intelligent terminal Play System and tuning demodulation module 110, receive the play instruction of described transport stream and the transmission of described intelligent terminal Play System, control command is sent to described tuning demodulation module 110 according to described play instruction, descrambling is carried out to the transport stream of the actual program in described transport stream, and the transport stream after descrambling is sent to intelligent terminal Play System.
In embodiments of the present invention, the channel beacon information that when described play instruction is intelligent terminal cut bank, reading has been preserved generates, and it carries the identification information of current channel.
In embodiments of the present invention, described channel ID information includes but not limited to the program number, actual program audio frequency and video PID etc. of actual program place frequency information, actual program.
Because play instruction is automatically generate, does not therefore need client manually to input descrambling instruction in addition, directly can carry out descrambling according to play instruction to digital television signal, decrease user's manual operation.
In embodiments of the present invention, descrambling control module 120 comprises the first communication interface module 121, first control module 122, extraction module 123, descrambling module 124 and smart card communications module 125.
First communication interface module 121 is connected with intelligent terminal Play System, the first control module 122 and descrambling module 124 respectively, the play instruction that intelligent terminal sends is sent to the first control module 122, transport stream after the descrambling send descrambling module 124 is sent to intelligent terminal Play System, to decode and show to make intelligent terminal to the transport stream after described descrambling.
As one embodiment of the invention, the first communication interface module 121 is USB interface/plug, and described USB interface/plug is used for directly or is connected with intelligent terminal by data connecting line.Because the first communication interface module 121 adopts USB interface/plug, can directly digital television signal descrambler be inserted in the USB interface of intelligent terminal, not need display connecting line (such as HDMI wire), saved connecting line cost.
First control module 122 is connected with the first communication interface module 121, tuning demodulation module 110, extraction module 123 and descrambling module 124, receive the play instruction that described first communication interface module 121 transmits, send control command according to play instruction to tuning demodulation module 110, extraction module 123, descrambling module 124, process to make tuning demodulation module 110, extraction module 123, descrambling module 124 pairs of digital television signals.
Extraction module 123 is connected with the first control module 122, tuning demodulation module 110 and descrambling module 124, receive the transport stream that tuning demodulation module 110 sends, according to the control command that the first control module 122 sends, extract the authorization message of the actual program in transport stream, and the authorization message of described actual program and described transport stream are sent to descrambling module 124.
As one embodiment of the invention, the authorization message of actual program comprises actual program Entitlement Management Message and actual program Entitlement Control Message.
Descrambling module 124 and the first control module 122, extraction module 123, smart card communications module 125 is connected with the first communication interface module 121, receive authorization message and the transport stream of the actual program that extraction module 123 sends, smart card in smart card communications module 125 is read and write, the control word in smart card needed for descrambling actual program transport stream is obtained according to actual program authorization message, and the control word needed for control command and descrambling actual program transport stream carries out descrambling to the actual program transport stream in transport stream, the transport stream after descrambling is sent to the first communication interface module 121.
Because smart card communications module 125 is directly connected with descrambling module 124, descrambling module 124 directly can be read and write the smart card in smart card communications module 125, decrease communication link, saved access time.
In embodiments of the present invention, descrambling module 124 is by actual program authorization message write smart card, can automatically calculate after smart card receives actual program authorization message, can return the control word corresponding with actual program authorization message after calculating to descrambling module 124, descrambling module 124 carries out descrambling to actual program after receiving control word.
As one embodiment of the invention, each module integration in descrambling control module 120, in same module, can have reduction equipment cost, reduce small product size simultaneously.Certainly, in other embodiments of the present invention, each module in descrambling control module 120 also can individualism.
In embodiments of the present invention, the soft communication agreement on physically based deformation interface is followed in communication between intelligent terminal Play System and digital television signal descrambler 100, to ensure the correct transmission of data between intelligent terminal Play System and digital television signal descrambler 100.
The digital television signal descrambler 100 that the embodiment of the present invention provides, according to the play instruction that intelligent terminal sends, send intelligent terminal to after carrying out descrambling to the digital television signal of television network broadcast to play, effectively make use of decoding and the display device of intelligent terminal, decrease the decoding in digital television signal descrambler 100 and display device simultaneously, reduce the equipment cost of digital television signal descrambler; In actual applications, owing to directly utilizing the player of intelligent terminal decode to the signal after digital TV signal anti-interference apparatus process and show, the control that user only needs use remote controller can realize broadcast program.
Fig. 2 shows the structure of the digital television signal descrambler that the embodiment of the present invention two provides, and for convenience of description, illustrate only the part relevant to the embodiment of the present invention.
The digital television signal descrambler that the embodiment of the present invention provides can be the unit that hardware cell, software unit or hardware and software on condition reception device combine.
The difference of the digital television signal descrambler that itself and embodiment one provide is:
Also comprise between tuning demodulation module 110 and descrambling control module 120:
First transport stream processing module 127 is connected with described first control module 122, extraction module 123, receive the transport stream that the first control module 122 sends, and according to the control command that the first control module 122 sends, transport stream is converted to the transport stream only including actual program, and be sent to extraction module 123.
The transport stream that television network broadcast provides is multi-channel program transport stream, and the player of intelligent terminal can only play single program transport stream, therefore, after transport stream is converted to the transport stream only including actual program by the first transport stream processing module 127, intelligent terminal just can be sent to directly to carry out decoding and showing.
Also comprise between descrambling module 124 and the first communication interface module 121:
Encrypting module 126, receives the transport stream after the descrambling of descrambling module 124 transmission, is encrypted, and the transport stream after described encryption is sent to described first communication interface module 121 to the transport stream after the descrambling received.
In embodiments of the present invention, encrypting module 126 adopts AES (Advanced Encryption Standard, Advanced Encryption Standard) or the cipher mode of DES (Data Encryption Standard, DEA) transport stream after descrambling is encrypted.
In embodiments of the present invention, by being encrypted the transport stream after descrambling, the safety being sent to the data of intelligent terminal through the first communication interface module 121 can be ensured.
Fig. 3 shows the structure of the intelligent terminal Play System 200 that the embodiment of the present invention three provides, and for convenience of description, illustrate only the part relevant to the embodiment of the present invention.
The intelligent terminal Play System that the embodiment of the present invention provides can be the unit that hardware cell, software unit or hardware and software on intelligent terminal combine.
Intelligent terminal Play System 200 comprises:
Second communication interface module 201 is connected with the second control module 202, program playing module 203 and digital television signal descrambler, play instruction for the second control module 202 being sent sends digital television signal descrambler to, to make digital television signal descrambler process digital television signal according to described play instruction, and the transport stream through the process of described digital television signal descrambler is sent to described program playing module 203 and carries out decoding and showing.
In embodiments of the present invention, the channel beacon information that when described play instruction is intelligent terminal cut bank, reading has been preserved generates, and it carries the identification information of current channel.
In embodiments of the present invention, described channel ID information includes but not limited to the program number, actual program audio frequency and video PID etc. of actual program place frequency information, actual program.
Because play instruction is automatically generate, does not therefore need client manually to input descrambling instruction in addition, directly can carry out descrambling according to play instruction to digital television signal, decrease user's manual operation.
In embodiments of the present invention, the second communication interface module 201 is USB plug/interface, and described USB plug/interface is used for directly or is connected with digital television signal descrambler by data connecting line.
Because the second communication interface module 201 adopts USB interface/plug, can directly digital television signal descrambler be inserted in the USB interface of intelligent terminal, not need display connecting line (such as HDMI wire), saved connecting line cost.
Second control module 202, be connected with the second communication interface module 201 and program playing module 203, for generating play instruction, and described play instruction is sent to described second communication interface module 201, to make play instruction send digital television signal descrambler to by described second communication interface module 201, and control the broadcast state of program playing module.
In embodiments of the present invention, the broadcast state of program playing module includes but not limited to beginning, stops, suspending.
Program playing module 203, be connected with the second communication interface module 201 and the second control module 202, for receiving that the second communication interface module 201 transmits, after the process of digital television signal descrambler transport stream, and carry out decoding and showing according to the control command that described second control module 202 sends.
In embodiments of the present invention, the soft communication agreement on physically based deformation interface is followed in communication between intelligent terminal Play System and digital television signal descrambler 100, to ensure the correct transmission of data between intelligent terminal Play System and digital television signal descrambler 100.
The intelligent terminal Play System 200 that the embodiment of the present invention provides, automatic generation play instruction also sends digital television signal descrambler to, the transport stream after descrambling is returned through according to affiliated play instruction to make digital television signal descrambler, the program playing module 203 of intelligent terminal Play System 200 is utilized to decode to described transport stream and show, effectively make use of decoding and the display device of intelligent terminal, decrease the decoding device in digital television signal descrambler 100 simultaneously, reduce the equipment cost of digital television signal descrambler; In actual applications, owing to directly utilizing the player of intelligent terminal decode to the signal after digital TV signal anti-interference apparatus process and show, the control that user only needs use remote controller can realize broadcast program.
Fig. 4 shows the structure of the intelligent terminal Play System that the embodiment of the present invention four provides, and for convenience of explanation, content related to the present invention is only shown.
The intelligent terminal Play System that the embodiment of the present invention provides can be the unit that hardware cell, software unit or hardware and software on intelligent terminal combine.
The difference of itself and the intelligent terminal Play System described in embodiment three is:
Also comprise between the second communication interface module 201 and program playing module 203:
Second transport stream processing module 204, receives the transport stream that the second communication interface module 201 transmits, described transport stream is converted to the transport stream only including actual program, and be sent to described program playing module.
The transport stream that television network broadcast provides is multi-channel program transport stream, and the player of intelligent terminal can only play single program transport stream, therefore, after transport stream is converted to the transport stream only including actual program by the second transport stream processing module 204, send program playing module to and carry out decoding and showing.
Also comprise between the second communication interface module 201 and program playing module 203:
Deciphering module 205, receives that the second communication interface module 201 transmits, after the encryption of digital television signal descrambler transport stream, is decrypted, and sends to described program playing module 203 to carry out decoding and showing to the transport stream after described encryption.
In embodiments of the present invention, deciphering module 205 adopts and AES (Advanced Encryption Standard, Advanced Encryption Standard) or DES (Data Encryption Standard, DEA) corresponding manner of decryption the transport stream after encryption is decrypted.
In embodiments of the present invention, at digital television signal descrambler end, transport stream is encrypted, at intelligent terminal Play System end, the transport stream after encryption is decrypted, the safety through transfer of data between digital television signal descrambler and intelligent terminal Play System can be ensured.
Fig. 5 shows the structure of the digital television signal descrambling system that the embodiment of the present invention five provides, and for convenience of description, illustrate only the part relevant to the embodiment of the present invention.
Digital television signal descrambling system comprises:
Digital Television descrambler 100, described device comprises tuning demodulation module 110 and descrambling control module 120.
Tuning demodulation module 110 is connected with described digital TV network and descrambling control module 120 respectively, receive the digital television signal from television network broadcast, according to the control command that descrambling control module 120 sends, after digital television signal being converted to transport stream, be sent to descrambling control module 120.
Descrambling control module 120 respectively with intelligent terminal Play System and tuning demodulation module 110, receive the play instruction of described transport stream and the transmission of described intelligent terminal Play System, control command is sent to described tuning demodulation module 110 according to described play instruction, descrambling is carried out to the transport stream of the actual program in described transport stream, and the transport stream after descrambling is sent to intelligent terminal Play System.
Intelligent terminal Play System 200, described intelligent terminal Play System comprises:
Second communication interface module 201 is connected with the second control module 202, program playing module 203 and digital television signal descrambler, play instruction for the second control module 202 being sent sends digital television signal descrambler to, to make digital television signal descrambler process digital television signal according to described play instruction, and the transport stream through the process of described digital television signal descrambler is sent to described program playing module 203 and carries out decoding and showing.
Second control module 202, be connected with the second communication interface module 201 and program playing module 203, for generating play instruction, and described play instruction is sent to described second communication interface module 201, to make play instruction send digital television signal descrambler to by described second communication interface module 201, and control the broadcast state of program playing module.
Program playing module 203, be connected with the second communication interface module 201 and the second control module 202, for receive second communication interface module 201 transmit, after the process of digital television signal descrambler transport stream, and according to described second control module 202 send control command carry out decoding and showing.
In embodiments of the present invention, described first communication interface module is USB interface/plug, and described second communication interface module is the USB plug/interface matched with described first communication interface module, and both are direct or connected by data connecting line.
The digital television signal descrambler 100 that the embodiment of the present invention provides, according to the play instruction that intelligent terminal performance broadcasting system sends, send intelligent terminal Play System to after carrying out descrambling to the digital television signal of television network broadcast decode and show, effectively make use of decoding and the display device of intelligent terminal, decrease the decoding device in digital television signal descrambler 100 simultaneously, reduce the equipment cost of digital television signal descrambler; In actual applications, owing to directly utilizing the player of intelligent terminal decode to the signal after digital TV signal anti-interference apparatus process and show, the control that user only needs use remote controller can realize broadcast program.
Fig. 6 shows the structure of the digital television signal descrambling system that the embodiment of the present invention six provides, and for convenience of description, illustrate only the part relevant to the embodiment of the present invention.
The difference of the digital television signal descrambling system that itself and embodiment three provide is:
Also comprise between descrambling module 124 and the first communication interface module 121:
Encrypting module 126, receives the transport stream after the descrambling of descrambling module 124 transmission, is encrypted, and the transport stream after described encryption is sent to described first communication interface module 121 to the transport stream after the descrambling received.
Also comprise between the second communication interface module 201 and program playing module 203:
Deciphering module 205, receives that the second communication interface module 201 transmits, after the encryption of digital television signal descrambler transport stream, is decrypted, and sends to described program playing module 203 to carry out decoding and showing to the transport stream after described encryption.
In embodiments of the present invention, encrypting module 126 adopts AES (Advanced Encryption Standard, Advanced Encryption Standard) or the cipher mode of DES (Data Encryption Standard, DEA) transport stream after descrambling is encrypted.
In embodiments of the present invention, by being encrypted the transport stream after descrambling, the safety being sent to the data of intelligent terminal through the first communication interface module 121 can be ensured.
Described descrambling control module also comprises:
First transport stream processing module 127, be connected with described first control module 121, described extraction module 123 respectively, for receiving the transport stream that described tuning demodulation module sends, and according to the control command that the first control module 121 sends, described transport stream is converted to the transport stream only including actual program, and be sent to described extraction module 123.
Also comprise between the second communication interface module 201 and program playing module 203:
Second transport stream processing module 204, receives the transport stream that the second communication interface module 201 transmits, described transport stream is converted to the transport stream only including actual program, and be sent to described program playing module.
In embodiments of the present invention, what the first transport stream processing module 127 and the second transport stream processing module 204 were alternative appears in described digital television signal descrambling system.
The transport stream that television network broadcast provides is multi-channel program transport stream, and the player of intelligent terminal can only play single program transport stream, therefore, after by the first transport stream processing module 127 or the second transport stream processing module 204 transport stream being converted to the transport stream only including actual program, send program playing module to and carry out decoding and showing.
Fig. 7 shows the structure of the terminal that the embodiment of the present invention seven provides, and for convenience of description, illustrate only the part relevant to the embodiment of the present invention.
In embodiments of the present invention, terminal includes but not limited to that intelligent television, network box etc. have the terminal of playing function.
Terminal comprises:
Digital television signal descrambler 100, is connected with communication interface 300, comprises tuning demodulation module 110 and descrambling control module 120.
Tuning demodulation module 110 is connected with described digital TV network and descrambling control module 120 respectively, receive the digital television signal from television network broadcast, according to the control command that descrambling control module 120 sends, after digital television signal being converted to transport stream, be sent to descrambling control module 120.
Descrambling control module 120 is connected with communication interface 300 and tuning demodulation module 110 respectively, receive the play instruction of described transport stream and described communication interface 300 transmission, control command is sent to described tuning demodulation module 110 according to described play instruction, descrambling is carried out to the transport stream of the actual program in described transport stream, and the transport stream after descrambling is sent to communication interface 300.
Communication interface 300 is connected with digital television signal descrambler 100, input equipment 400 and output equipment 500 respectively, realizes the data communication between digital television signal descrambler 100 and the terminal miscellaneous equipment such as input equipment 400 and output equipment 500.
Input equipment 400, is connected with communication interface 300, receives the play instruction of user and sends to communication interface 300.In embodiments of the present invention, input equipment 400 includes but not limited to, button, mouse, remote control of keyboard device etc.
Output equipment 500, is connected with communication interface 300, digital television signal that received communication interface 300 transmits, that process through digital television signal descrambler 100, and exports.In embodiments of the present invention, output equipment 500 includes but not limited to player, display screen, loudspeaker etc.
The termination set digital television signal process that the embodiment of the present invention provides and broadcasting two kinds of functions are, effectively make use of decoding and the Presentation Function of terminal, decrease the decoding in digital television signal descrambler 110 and display device simultaneously, reduce the equipment cost of digital television signal descrambler.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (17)
1. a digital television signal descrambler, is characterized in that, described device comprises:
Tuning demodulation module, be connected with described digital TV network and descrambling control module respectively, for receiving the digital television signal from television network broadcast, according to the tuning demodulation order that descrambling control module sends, after digital television signal being converted to transport stream, be sent to descrambling control module;
Descrambling control module, be connected with intelligent terminal Play System and described tuning demodulation module respectively, for receiving the play instruction of described transport stream and the transmission of described intelligent terminal Play System, tuning demodulation order is sent to described tuning demodulation module according to described play instruction, descrambling is carried out to the transport stream of the actual program in described transport stream, and the transport stream after descrambling is sent to intelligent terminal Play System.
2. device as claimed in claim 1, it is characterized in that, described descrambling control module comprises:
First communication interface module, respectively with intelligent terminal Play System, the first control module and descrambling model calling, play instruction for being sent by intelligent terminal Play System is sent to the first control module, transport stream after the descrambling send descrambling module is sent to intelligent terminal Play System, plays the transport stream after described descrambling to make intelligent terminal Play System;
First control module, respectively with described first communication interface module, described tuning demodulation module, extraction module and descrambling model calling, for receiving the play instruction that described first communication interface module transmits, and send control command according to described play instruction to described tuning demodulation module, extraction module, descrambling module, to make described tuning demodulation module, extraction module, descrambling module, digital television signal is processed;
Extraction module, respectively with described first control module, described tuning demodulation module and descrambling model calling, for receiving the transport stream that described tuning demodulation module sends, and according to the control command that described first control module sends, extract the authorization message of actual program in described transport stream, and the authorization message of described actual program and described transport stream are sent to descrambling module; And
Descrambling module, respectively with described first control module, described extraction module, smart card communications module is connected with described first communication interface module, for receiving the authorization message of the described actual program that described extraction module sends and described transport stream, smart card in described smart card communications module is read and write, the control word in smart card needed for descrambling actual program transport stream is obtained according to actual program authorization message, and the control word needed for control command and descrambling actual program transport stream carries out descrambling to the actual program transport stream in transport stream, the transport stream after descrambling is sent to described first communication interface module.
3. device as claimed in claim 2, it is characterized in that, described descrambling control module also comprises:
First transport stream processing module, be connected with described first control module, described extraction module respectively, for receiving the transport stream that described tuning demodulation module sends, and according to the control command that described first control module sends, described transport stream is converted to the transport stream only including actual program, and be sent to described extraction module.
4. device as claimed in claim 2 or claim 3, is characterized in that, also comprise between described descrambling module and described first communication interface module:
Encrypting module, for receiving the transport stream after descrambling that described descrambling module sends, being encrypted the transport stream after the descrambling received, and the transport stream after described encryption being sent to described first communication interface module.
5. device as claimed in claim 2, it is characterized in that, described first communication interface module is USB interface/plug, and described USB interface/plug is used for directly or is connected with intelligent terminal by data connecting line.
6. an intelligent terminal Play System, is characterized in that, described intelligent terminal Play System comprises:
Second communication interface module, be connected with the second control module, program playing module and digital television signal descrambler respectively, play instruction for described second control module being sent sends digital television signal descrambler to, to make digital television signal descrambler process digital television signal according to described play instruction, and the transport stream through the process of described digital television signal descrambler is sent to described program playing module plays;
Second control module, be connected with described second communication interface module, program playing module, for generating play instruction, and described play instruction is sent to described second communication interface module, to make play instruction send digital television signal descrambler to by described second communication interface module, and control the broadcast state of program playing module; And
Program playing module, be connected with described second communication interface module, the second control module, for receiving that described second communication interface module transmits, after the process of digital television signal descrambler transport stream, and carry out decoding and showing according to the play command that described second control module sends.
7. intelligent terminal Play System as claimed in claim 6, is characterized in that, also comprise between described second communication interface module and described program playing module:
Second transport stream processing module, for receiving the transport stream that the second communication interface module transmits, converting the transport stream only including actual program to, and being sent to described program playing module by described transport stream.
8. intelligent terminal Play System as claimed in claims 6 or 7, is characterized in that, also comprise between described second communication interface module and described program playing module:
Deciphering module, for receiving that described second communication interface module transmits, after the encryption of digital television signal descrambler transport stream, being decrypted the transport stream after described encryption, and sending to described program playing module to carry out decoding and showing.
9. intelligent terminal Play System as claimed in claim 6, it is characterized in that, described second communication interface module is USB plug/interface, and described USB plug/interface is used for directly or is connected with digital television signal descrambler by data connecting line.
10. a digital television signal descrambling system, is characterized in that, described system comprises Digital Television descrambler and intelligent terminal Play System, wherein:
Described Digital Television descrambler comprises:
Tuning demodulation module, be connected with described digital TV network and descrambling control module respectively, for receiving the digital television signal from television network broadcast, according to the tuning demodulation order that descrambling control module sends, after digital television signal being converted to transport stream, be sent to descrambling control module;
Descrambling control module, respectively with intelligent terminal Play System and described tuning demodulation module, for receiving the play instruction of described transport stream and the transmission of described intelligent terminal Play System, tuning demodulation order is sent to described tuning demodulation module according to described play instruction, descrambling is carried out to the transport stream of the actual program in described transport stream, and the transport stream after descrambling is sent to intelligent terminal Play System;
Described intelligent terminal Play System comprises:
Second communication interface module, be connected with the second control module, program playing module and digital television signal descrambler respectively, play instruction for described second control module being sent sends digital television signal descrambler to, to make digital television signal descrambler process digital television signal according to described play instruction, and the transport stream through the process of described digital television signal descrambler is sent to described program playing module plays;
Second control module, be connected with described second communication interface module, program playing module, for generating play instruction, and described play instruction is sent to described second communication interface module, to make play instruction send digital television signal descrambler to by described second communication interface module, and control the broadcast state of player; And
Program playing module, be connected with the second communication interface module, the second control module, for receiving that described second communication interface module transmits, after the process of digital television signal descrambler transport stream, and carry out decoding and showing according to the play command that described second control module sends.
11. systems as claimed in claim 10, it is characterized in that, described descrambling control module comprises:
First communication interface module, respectively with intelligent terminal Play System, the first control module and descrambling model calling, play instruction for being sent by intelligent terminal is sent to the first control module, transport stream after the descrambling send descrambling module is sent to intelligent terminal Play System, to decode and show to make intelligent terminal to the transport stream after described descrambling;
First control module, respectively with described first communication interface module, described tuning demodulation module, extraction module and descrambling model calling, for receiving the play instruction that described first communication interface module transmits, and send control command according to described play instruction to described tuning demodulation module, extraction module, descrambling module, to make described tuning demodulation module, extraction module, descrambling module, digital television signal is processed;
Extraction module, respectively with described first control module, described tuning demodulation module and descrambling model calling, for receiving the transport stream that described tuning demodulation module sends, and according to the control command that described first control module sends, extract the authorization message of actual program in described transport stream, and the authorization message of described actual program and described transport stream are sent to descrambling module; And
Descrambling module, respectively with described first control module, described extraction module, smart card communications module is connected with described first communication interface module, for receiving the authorization message of the described actual program that described extraction module sends and described transport stream, smart card in described smart card communications module is read and write, the control word in smart card needed for descrambling actual program transport stream is obtained according to actual program authorization message, and according to control command, with the control word needed for descrambling actual program transport stream, descrambling is carried out to the actual program transport stream in transport stream, the transport stream after descrambling is sent to described first communication interface module.
12. systems as claimed in claim 11, it is characterized in that, described descrambling control module also comprises:
First transport stream processing module, be connected with described first control module, described extraction module respectively, for receiving the transport stream that described tuning demodulation module sends, and according to the control command that described first control module sends, described transport stream is converted to the transport stream only including actual program, and be sent to described extraction module.
13. systems as described in claim 10 or 11, is characterized in that, also comprise between described second communication interface module and described program playing module:
Second transport stream processing module, for receiving the transport stream that described second communication interface module transmits, converting the transport stream only including actual program to, and being sent to described program playing module by described transport stream.
14. systems as claimed in claim 11, is characterized in that,
Also comprise between described descrambling module and described first communication interface module:
Encrypting module, for receiving the transport stream after descrambling that described descrambling module sends, being encrypted the transport stream after the descrambling received, and the transport stream after described encryption being sent to described first communication interface module.
Also comprise between described second communication interface module and described program playing module:
Deciphering module, for receiving that described second communication interface module transmits, after the encryption of digital television signal descrambler transport stream, being decrypted the transport stream after described encryption, and sending to described program playing module to carry out decoding and showing.
15. systems as claimed in claim 11, it is characterized in that, described first communication interface module is USB interface/plug, and described second communication interface module is the USB plug/interface matched with described first communication interface module, and both are direct or connected by data connecting line.
16. 1 kinds of terminals, comprise communication interface, it is characterized in that, described terminal also comprises digital television signal descrambler, and described digital television signal descrambler comprises:
Tuning demodulation module, be connected with described digital TV network and descrambling control module respectively, for receiving the digital television signal from television network broadcast, according to the tuning demodulation order that descrambling control module sends, after digital television signal being converted to transport stream, be sent to descrambling control module;
Descrambling control module, respectively with communication interface and described tuning demodulation module, for receiving the play instruction of described transport stream and the transmission of described communication interface, tuning demodulation order is sent to described tuning demodulation module according to described play instruction, descrambling is carried out to the transport stream of the actual program in described transport stream, and the transport stream after descrambling is sent to communication interface.
17. terminals as claimed in claim 16, is characterized in that, described terminal is intelligent television or network box.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462660.1A CN104244080A (en) | 2014-09-11 | 2014-09-11 | Digital television signal descramble device, system and terminal |
| PCT/CN2014/094107 WO2016037436A1 (en) | 2014-09-11 | 2014-12-17 | Apparatus and system for descrambling digital television signal and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462660.1A CN104244080A (en) | 2014-09-11 | 2014-09-11 | Digital television signal descramble device, system and terminal |
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| CN104244080A true CN104244080A (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410462660.1A Pending CN104244080A (en) | 2014-09-11 | 2014-09-11 | Digital television signal descramble device, system and terminal |
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| Country | Link |
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| CN (1) | CN104244080A (en) |
| WO (1) | WO2016037436A1 (en) |
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Also Published As
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| WO2016037436A1 (en) | 2016-03-17 |
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