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CN109640121A - A kind of television system, programme signal processing method, device, equipment and medium - Google Patents

A kind of television system, programme signal processing method, device, equipment and medium Download PDF

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Publication number
CN109640121A
CN109640121A CN201811574602.2A CN201811574602A CN109640121A CN 109640121 A CN109640121 A CN 109640121A CN 201811574602 A CN201811574602 A CN 201811574602A CN 109640121 A CN109640121 A CN 109640121A
Authority
CN
China
Prior art keywords
stream
radio frequency
frequency signals
program
way
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
Application number
CN201811574602.2A
Other languages
Chinese (zh)
Inventor
孙邦禹
范思越
何文杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Skyworth RGB Electronics Co Ltd
Original Assignee
Shenzhen Skyworth RGB Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Skyworth RGB Electronics Co Ltd filed Critical Shenzhen Skyworth RGB Electronics Co Ltd
Priority to CN201811574602.2A priority Critical patent/CN109640121A/en
Publication of CN109640121A publication Critical patent/CN109640121A/en
Priority to PCT/CN2019/091146 priority patent/WO2020124965A1/en
Pending legal-status Critical Current

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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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • 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
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
    • H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
    • 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
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
    • 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
    • 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
    • H04N21/4383—Accessing a communication channel
    • 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
    • H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The embodiment of the invention discloses a kind of television system, programme signal processing method, device, equipment and media.The system comprises: at least two tuners and the one-to-one demodulator of at least two tuner, primary processor and CI card module；Wherein, at least two tuner is connected with one-to-one demodulator, handles for obtaining the radiofrequency signal of different frequent points respectively, and to radiofrequency signal, obtains at least two-way intermediate-freuqncy signal；Demodulator demodulates the intermediate-freuqncy signal received, obtains the corresponding TS stream of intermediate-freuqncy signal；Primary processor merges at least two-way TS stream received, obtains TS stream all the way；The stream of TS all the way received is decrypted in CI card module, and the TS stream after decryption is sent to primary processor, and primary processor is made to continue to handle to the TS stream after decryption.By using above-mentioned technical proposal, the purpose of at least two frequency point TV programme radiofrequency signals can be decrypted by realizing the same time.

Description

A kind of television system, programme signal processing method, device, equipment and medium
Technical field
The present embodiments relate to digital TV technology more particularly to a kind of television systems, programme signal processing side Method, device, equipment and medium.
Background technique
With the development of DTV, each television operator increasingly payes attention to the copyright protection of TV programme, Hen Duo electricity Depending on program all at sponsored program, therefore user needs to buy after TV programme are decrypted in corresponding CI card and could watch.
Current DTV is substantially using single tuner CI card system, meanwhile, a CI card can only be decrypted all the way TS (Transport Stream, transport stream), therefore, same time user can only watch or the TV Festival of one frequency point of imprinting Mesh.
Therefore, the system design of DTV needs to be continued to lift up.
Summary of the invention
The embodiment of the present invention provides a kind of television system, programme signal processing method, device, equipment and medium, passes through institute The TV programme radiofrequency signal of at least two frequency points can be decrypted by stating the television system same time.
In a first aspect, the embodiment of the invention provides a kind of television system, which includes:
At least two tuners and the one-to-one demodulator of at least two tuner, primary processor and CI card mold Block；
Wherein, at least two tuner is connected with one-to-one demodulator, for obtaining different frequent points respectively Radiofrequency signal, and the radiofrequency signal is handled, at least two-way intermediate-freuqncy signal is obtained, and the intermediate-freuqncy signal is sent to Corresponding demodulator；
The demodulator is connected with the primary processor, for demodulating to the intermediate-freuqncy signal received, obtains intermediate frequency The corresponding TS stream of signal, and the TS stream is sent to the primary processor；
The primary processor is connected with the CI card module, for merging at least two-way TS stream received, obtains It is flowed to TS all the way, and the stream of TS all the way is sent to CI card module；
TS stream after decryption is sent to the main place for the TS stream received to be decrypted by the CI card module Device is managed, the primary processor is made to continue to handle to the TS stream after decryption, to realize that program plays.
Second aspect, the embodiment of the invention also provides a kind of programme signal processing methods, are applied to above-mentioned first aspect The television system, this method comprises:
When receiving play instruction, at least two-way radiofrequency signal corresponding with the play instruction is obtained；
At least two-way radiofrequency signal is respectively processed, the TS stream of at least two-way encryption is obtained；
The TS stream that at least two-way encrypts is merged, the TS stream encrypted all the way after being merged；
The TS stream encrypted all the way after the merging is decrypted, the TS of corresponding at least two-way radiofrequency signal is obtained Stream.
The third aspect, the embodiment of the invention also provides a kind of programme signal processing units, are integrated in the claims 1 The television system, described device include:
Module is obtained, for obtaining at least two-way radio frequency corresponding with the play instruction when receiving play instruction Signal；
Processing module obtains the TS of at least two-way encryption for being respectively processed at least two-way radiofrequency signal Stream；
Merging module, the TS stream for encrypting at least two-way merges, encrypting after being merged all the way TS stream；
Deciphering module obtains corresponding at least two for the TS stream encrypted all the way after the merging to be decrypted The TS of road radiofrequency signal flows.
Fourth aspect, the embodiment of the invention also provides a kind of equipment, the equipment includes:
One or more processors；
Storage device, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processing Device realizes programme signal processing method provided by any embodiment of the invention.
5th aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer Program, the program realize programme signal processing method provided by any embodiment of the invention when being executed by processor.
A kind of television system provided by the invention, by setting at least two tuners and with tuner it is one-to-one Demodulator, the radiofrequency signal that at least two-way is different can be collected by realizing the same time, and by primary processor at least two The different TS stream in road merges, and obtains TS stream all the way, realizing single CI card television system can decrypt simultaneously to obtain two-way not TS with frequency point flows, so that user can be watched simultaneously by list CI card television system or imprinting different frequent points TV Festival Mesh.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for television system that the embodiment of the present invention one provides；
Fig. 2 is a kind of flow diagram of programme signal processing method provided by Embodiment 2 of the present invention；
Fig. 3 is a kind of structural schematic diagram for programme signal processing unit that the embodiment of the present invention three provides；
Fig. 4 is a kind of structural schematic diagram for equipment that the embodiment of the present invention four provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is a kind of structural schematic diagram for television system that the embodiment of the present invention one provides, which is applicable to simultaneously Obtain two-way different frequent points radiofrequency signal the case where, the system in addition to be suitable for TV, could be applicable to set-top box etc. other Using the product of CI card, referring specifically to shown in Fig. 1, the system comprises:
At least two tuners 110 and the one-to-one demodulator 120 of at least two tuner 110, primary processor 130 and CI card module 140；Wherein, at least two tuner 110 is connected with one-to-one demodulator 120, for distinguishing The radiofrequency signal for obtaining different frequent points, and is handled the radiofrequency signal, obtains at least two-way intermediate-freuqncy signal IF, and by institute It states intermediate-freuqncy signal IF and is sent to corresponding demodulator 120；The demodulator 120 is connected with the primary processor 130, for docking The intermediate-freuqncy signal IF received is demodulated, and obtains the corresponding TS stream of intermediate-freuqncy signal IF, and the TS stream is sent to the main place Manage device 130；The primary processor 130 is connected with the CI card module 140, for closing at least two-way TS stream received And TS stream all the way is obtained, and the stream of TS all the way is sent to CI card module 140；The CI card module 140 is used for receiving TS stream be decrypted, and the TS stream after decryption is sent to the primary processor 130, makes 130 pairs of primary processor decryption TS stream afterwards continues to handle, to realize that program plays；Wherein, it is described continue processing include being held to the TS stream after decryption Row special algorithm to realize picture-in-picture function, or is realized while watching one of program, is recorded in the background another A program.
A kind of television system provided in this embodiment is corresponded by least two tuners of setting and with tuner Demodulator, the radiofrequency signal that at least two-way is different can be collected by realizing the same time, and by primary processor at least The different TS stream of two-way merges, and obtains TS stream all the way, realizing single CI card television system can decrypt to obtain two-way simultaneously The TS of different frequent points flows, so that user can be watched simultaneously by list CI card television system or imprinting different frequent points TV Festival Mesh.It can only watch or the TV programme of the single frequency point of imprinting, and can not achieve compared to the conventional television system same time Picture-in-picture function between different frequent points TV programme, television system provided in this embodiment may be implemented user and meanwhile viewing or The function of person's imprinting different frequent points program, and can be realized the picture-in-picture function between two programs of different frequent points.
Embodiment two
Fig. 2 is a kind of programme signal processing method flow diagram provided by Embodiment 2 of the present invention, and this method is applied to Television system described in above-described embodiment, being suitable for the same time plays or the case where imprinting different frequent points program.The side Method is executed by programme signal processing unit, which is realized by the mode of software and/or hardware, and is integrated in above-described embodiment institute The television system stated.Referring specifically to shown in Fig. 2, which comprises
Step 210, when receiving play instruction, obtain corresponding with the play instruction at least two-way radiofrequency signal.
Wherein, the play instruction refers specifically to the point platform instruction that user is issued by TV remote controller, such as user wants to see It sees " Hunan Satellite TV ", " Hunan Satellite TV " is found by remote controler, and press confirming button, then trigger the broadcasting of " Hunan Satellite TV " Instruction.Further, user can need to realize picture-in-picture function at least by the way that the picture-in-picture function set interface of TV is selected Two frequency bins program, such as user want while viewing " Hunan Satellite TV ", monitor " sports channel ", then user passes through TV Picture-in-picture function set interface selectes " Hunan Satellite TV " and " sports channel ", triggers " Hunan Satellite TV " and " sports channel " at this time Play instruction, when television reception is to the play instruction, the tuner passed through in TV system tuner obtains " Hunan The corresponding radiofrequency signal of satellite TV ", and " sports channel " is obtained by another tuner in TV system tuner and is corresponded to Radiofrequency signal.The present embodiment carries out subsequent explanation by taking two-path video signal as an example.
Step 220 is respectively processed at least two-way radiofrequency signal, obtains the TS stream of at least two-way encryption.
Specifically, being respectively processed at least two-way radiofrequency signal, the TS stream for obtaining at least two-way encryption includes:
At least two-way radiofrequency signal is modulated respectively, obtains at least two-way intermediate-freuqncy signal；
At least two-way intermediate-freuqncy signal is demodulated respectively, obtains the TS stream of at least two-way encryption.
Wherein, vision signal is modulated by the tuner in television system, by the demodulator centering in television system Frequency signal is demodulated.The TS stream carries the program data of specific frequency point, such as video, audio self-defined information.
Step 230 merges the TS stream that at least two-way encrypts, the TS stream encrypted all the way after being merged.
Specifically, merging algorithm can be called directly, at least two-way encryption TS is flowed according to the bit stream format of TS stream Packet is connected, and realizes the merging of the TS stream of at least two-way encryption.TS stream is the bit stream format based on packet (Packet), often A packet is that (or 204 bytes, the packet of 204 bytes are the CRC checks that added 16 bytes after 188 bytes to 188 bytes Data, extended formatting is as the packet of 188 bytes), the packets of each 188 bytes by 4 bytes packet header (Packet Header it) is formed with the bag data of 184 bytes (Packet Data).The composition form of entire TS stream is as follows:
Packet header (Packet Header) information of 4 bytes is described as follows shown in table 1:
Table 1: packet header (Packet Header) information explanation
The TS stream encrypted all the way after the merging is decrypted in step 240, obtains corresponding at least two-way radio frequency The TS of signal flows.
Specifically, the CI card module in the television system is to the TS encrypted all the way after merging through the foregoing embodiment Stream is decrypted, and the TS stream after obtaining corresponding at least two-way radiofrequency signal decryption, the TS after decryption flows further by main Reason device completes the broadcasting of specific channel program after being handled.
Programme signal processing method provided in this embodiment, by obtaining and the broadcasting when receiving play instruction Corresponding at least two-way radiofrequency signal is instructed, at least two-way radiofrequency signal is respectively processed, at least two-way is obtained and adds Close TS stream, the TS stream that at least two-way encrypts is merged, the TS stream encrypted all the way after being merged, to the conjunction The TS stream encrypted all the way after and is decrypted, and obtains the technological means of the TS stream of corresponding at least two-way radiofrequency signal, real The purpose of the TS stream information of at least two different frequent points is showed while having obtained.
Based on the above technical solution, further, it when receiving play instruction, obtains and the play instruction Corresponding at least two-way radiofrequency signal, comprising:
When receiving while playing two different frequent points program instructions, the radio frequency letter of two different frequent points is obtained respectively Number；It is corresponding, after obtaining the TS stream of corresponding two-way radiofrequency signal, the method also includes: according to key frame and sprite Setting instruction, picture-in-picture broadcasting is carried out to the TS of corresponding two-way radiofrequency signal stream.
For example, user wants while viewing " Hunan Satellite TV ", monitor " sports channel ", then user can pass through the picture of TV Middle picture function set interface selectes " Hunan Satellite TV " and " sports channel ", triggers " Hunan Satellite TV " and " sports channel " at this time Play instruction obtains that " Hunan Satellite TV " is corresponding to penetrate by different tuners when television reception is to the play instruction respectively Frequency signal and " sports channel " corresponding radiofrequency signal, and the radiofrequency signal got is handled, respectively obtain " Hunan The corresponding intermediate-freuqncy signal of satellite TV " and " sports channel " corresponding intermediate-freuqncy signal obtain two further by the processing of demodulator The TS stream of road encryption, then calls special algorithm to merge the TS stream of obtained two-way encryption, obtains by primary processor The TS stream encrypted all the way, is decrypted finally by TS stream of the CI card to encryption, and " Hunan Satellite TV " for respectively obtaining decryption is corresponding TS stream and " sports channel " corresponding TS stream, and instructed according to the setting of key frame and sprite, to " the Hu Nanwei Depending on " corresponding TS stream and " sports channel " corresponding TS stream carries out picture-in-picture broadcasting.Wherein, picture-in-picture is TV large screen The new picture display mode of the one kind occurred later, by picture-in-picture function, user is in viewing key frame or big picture channel While content, monitor or pay close attention to other interested channel contents in sprite or small picture, and can as needed and When be switched to target channel.
Alternatively, obtaining radiofrequency signal corresponding with the program play instruction when receiving program play instruction；When connecing When receiving record command, radiofrequency signal corresponding with the record command is obtained；It is corresponding, obtain corresponding two-way radiofrequency signal After TS stream, the method also includes: the TS stream of radiofrequency signal corresponding with the program play instruction is played out, it will be with The TS stream of the corresponding radiofrequency signal of the record command plays background as program and is recorded.
For example, user wants to watch " Hunan Satellite TV ", then the play instruction of " Hunan Satellite TV " can be triggered by remote controler, works as electricity When depending on receiving the play instruction, then obtain " Hunan Satellite TV " corresponding radiofrequency signal, and finally realize it is right to " Hunan Satellite TV " The broadcasting for the TS stream answered, if user wants to want while viewing " Hunan Satellite TV " program for recording " Hunan Economic Television station " under background, The record command of " Hunan Economic Television station " then can be further triggered, television reception obtains corresponding radiofrequency signal to when the record command.
Embodiment three
Fig. 3 is a kind of structural schematic diagram for programme signal processing unit that the embodiment of the present invention three provides, and the device is integrated Television system described in above-described embodiment, it is shown in Figure 3, described device include: obtain module 310, processing module 320, Merging module 330 and deciphering module 340；
Wherein, module 310 is obtained, for when receiving play instruction, acquisition to be corresponding with the play instruction at least Two-way radiofrequency signal；Processing module 320 obtains at least two-way for being respectively processed at least two-way radiofrequency signal The TS of encryption flows；Merging module 330, the TS stream for encrypting at least two-way merge, after being merged all the way The TS of encryption flows；Deciphering module 340 is corresponded to for the TS stream encrypted all the way after the merging to be decrypted At least TS stream of two-way radiofrequency signal.
Further, processing module 320 includes:
Modulation unit obtains at least two-way intermediate-freuqncy signal for being modulated respectively at least two-way radiofrequency signal；
Demodulating unit obtains the TS of at least two-way encryption for demodulating respectively at least two-way intermediate-freuqncy signal Stream.
Further, module 310 is obtained to be specifically used for: when receiving while playing two different frequent points program instructions, The radiofrequency signal of two different frequent points is obtained respectively.Further, described device further includes playing module, for according to key frame And the setting instruction of sprite, picture-in-picture broadcasting is carried out to the TS stream of the corresponding two-way radiofrequency signal.
Further, it obtains module 310 to be also used to: when receiving program play instruction, obtaining and played with the program Instruct corresponding radiofrequency signal；When receiving record command, radiofrequency signal corresponding with the record command is obtained.The dress Set further include: record module, for by the TS of radiofrequency signal corresponding with record command stream as program play background into Row is recorded.
A kind of programme signal processing unit provided in this embodiment, by when receiving play instruction, obtain with it is described The corresponding at least two-way radiofrequency signal of play instruction is respectively processed at least two-way radiofrequency signal, obtains at least two The TS stream of road encryption, the TS stream that at least two-way encrypts is merged, the TS stream encrypted all the way after being merged, to institute It states the TS stream encrypted all the way after merging to be decrypted, obtains the technology hand of the TS stream of corresponding at least two-way radiofrequency signal Section, realizes while obtaining the purpose of the TS stream information of at least two different frequent points.
Program provided by any embodiment of the invention can be performed in the control device of equipment provided by the embodiment of the present invention Signal processing method has the corresponding functional module of execution method and beneficial effect.Not detailed description in the above-described embodiments Technical detail, reference can be made to programme signal processing method provided by any embodiment of the invention.
Example IV
Fig. 4 is a kind of structural schematic diagram for equipment that the embodiment of the present invention four provides.Fig. 4, which is shown, to be suitable for being used to realizing this The block diagram of the example devices 12 of invention embodiment.The equipment 12 that Fig. 4 is shown is only an example, should not be to of the invention real The function and use scope for applying example bring any restrictions.
As shown in figure 4, equipment 12 is showed in the form of universal computing device.The component of equipment 12 may include but unlimited In one or more processor or processing unit 16, system storage 28, connecting different system components, (including system is deposited Reservoir 28 and processing unit 16) bus 18.
Bus 18 indicates one of a few class bus structures or a variety of, including memory bus or Memory Controller, Peripheral bus, graphics acceleration port, processor or the local bus using any bus structures in a variety of bus structures.It lifts For example, these architectures include but is not limited to industry standard architecture (ISA) bus, microchannel architecture (MAC) Bus, enhanced isa bus, Video Electronics Standards Association (VESA) local bus and peripheral component interconnection (PCI) bus.
Equipment 12 typically comprises a variety of computer system readable media.These media can be it is any can be by equipment 12 The usable medium of access, including volatile and non-volatile media, moveable and immovable medium.
System storage 28 may include the computer system readable media of form of volatile memory, such as arbitrary access Memory (RAM) 30 and/or cache memory 32.Equipment 12 may further include it is other it is removable/nonremovable, Volatile/non-volatile computer system storage medium.Only as an example, storage system 34 can be used for reading and writing irremovable , non-volatile magnetic media (Fig. 4 do not show, commonly referred to as " hard disk drive ").Although not shown in fig 4, use can be provided In the disc driver read and write to removable non-volatile magnetic disk (such as " floppy disk "), and to removable anonvolatile optical disk The CD drive of (such as CD-ROM, DVD-ROM or other optical mediums) read-write.In these cases, each driver can To be connected by one or more data media interfaces with bus 18.Memory 28 may include at least one program product, The program product has one group of (such as obtaining module 310, processing module 320, merging module 330 and deciphering module 340) program Module, these program modules are configured to perform the function of various embodiments of the present invention.
With one group of (obtaining module 310, processing module 320, merging module 330 and deciphering module 340) program module 42 Program/utility 40, can store in such as memory 28, such program module 42 include but is not limited to operate system System, one or more application program, other program modules and program data, each of these examples or certain combination In may include the realization of network environment.Program module 42 usually execute function in embodiment described in the invention and/or Method.
Equipment 12 can also be communicated with one or more external equipments 14 (such as keyboard, sensing equipment, display 24 etc.), Can also be enabled a user to one or more equipment interacted with the equipment 12 communication, and/or with enable the equipment 12 with One or more of the other any equipment (such as network interface card, modem etc.) communication for calculating equipment and being communicated.It is this logical Letter can be carried out by input/output (I/O) interface 22.Also, equipment 12 can also by network adapter 20 and one or The multiple networks of person (such as local area network (LAN), wide area network (WAN) and/or public network, such as internet) communication.As shown, Network adapter 20 is communicated by bus 18 with other modules of equipment 12.It should be understood that although not shown in the drawings, can combine Equipment 12 use other hardware and/or software module, including but not limited to: microcode, device driver, redundant processing unit, External disk drive array, RAID system, tape drive and data backup storage system etc..
Processing unit 16 by the program that is stored in system storage 28 of operation, thereby executing various function application and Data processing, such as programme signal processing method provided by any embodiment of the invention, this method comprises:
When receiving play instruction, at least two-way radiofrequency signal corresponding with the play instruction is obtained；
At least two-way radiofrequency signal is respectively processed, the TS stream of at least two-way encryption is obtained；
The TS stream that at least two-way encrypts is merged, the TS stream encrypted all the way after being merged；
The TS stream encrypted all the way after the merging is decrypted, the TS of corresponding at least two-way radiofrequency signal is obtained Stream.
Embodiment five
The embodiment of the present invention five additionally provides a kind of computer readable storage medium, is stored thereon with computer program, should Programme signal processing method provided by any embodiment of the invention is realized when program is executed by processor, this method comprises:
When receiving play instruction, at least two-way radiofrequency signal corresponding with the play instruction is obtained；
At least two-way radiofrequency signal is respectively processed, the TS stream of at least two-way encryption is obtained；
The TS stream that at least two-way encrypts is merged, the TS stream encrypted all the way after being merged；
The TS stream encrypted all the way after the merging is decrypted, the TS of corresponding at least two-way radiofrequency signal is obtained Stream.
The computer storage medium of the embodiment of the present invention, can be using any of one or more computer-readable media Combination.Computer-readable medium can be computer-readable signal media or computer readable storage medium.It is computer-readable Storage medium for example may be-but not limited to-the system of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, device or Device, or any above combination.The more specific example (non exhaustive list) of computer readable storage medium includes: tool There are electrical connection, the portable computer diskette, hard disk, random access memory (RAM), read-only memory of one or more conducting wires (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD- ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.In this document, computer-readable storage Medium can be any tangible medium for including or store program, which can be commanded execution system, device or device Using or it is in connection.
Computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal, Wherein carry computer-readable program code.The data-signal of this propagation can take various forms, including but unlimited In electromagnetic signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be that computer can Any computer-readable medium other than storage medium is read, which can send, propagates or transmit and be used for By the use of instruction execution system, device or device or program in connection.
The program code for including on computer-readable medium can transmit with any suitable medium, including --- but it is unlimited In wireless, electric wire, optical cable, RF etc. or above-mentioned any appropriate combination.
The computer for executing operation of the present invention can be write with one or more programming languages or combinations thereof Program code, described program design language include object oriented program language-such as Java, Smalltalk, C++, Further include conventional procedural programming language-such as " C " language or similar programming language.Program code can be with It fully executes, partly execute on the user computer on the user computer, being executed as an independent software package, portion Divide and partially executes or executed on a remote computer or server completely on the remote computer on the user computer.? Be related in the situation of remote computer, remote computer can pass through the network of any kind --- including local area network (LAN) or Wide area network (WAN)-be connected to subscriber computer, or, it may be connected to outer computer (such as mentioned using Internet service It is connected for quotient by internet).
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation, It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.

Claims (10)

1.一种电视系统，其特征在于，包括：至少两个调谐器、与所述至少两个调谐器一一对应的解调器、主处理器和CI卡模块；1. A television system, characterized in that, comprising: at least two tuners, demodulators one-to-one corresponding to the at least two tuners, a main processor and a CI card module; 其中，所述至少两个调谐器与一一对应的解调器相连，用于分别获取不同频点的射频信号，并对所述射频信号进行处理，得到至少两路中频信号，并将所述中频信号发送至对应的解调器；Wherein, the at least two tuners are connected to the demodulators in one-to-one correspondence, and are used to obtain radio frequency signals of different frequency points respectively, and process the radio frequency signals to obtain at least two channels of intermediate frequency signals, and use the The intermediate frequency signal is sent to the corresponding demodulator; 所述解调器与所述主处理器相连，用于对接收到的中频信号进行解调，得到中频信号对应的TS流，并将所述TS流发送至所述主处理器；The demodulator is connected to the main processor, and is used for demodulating the received intermediate frequency signal to obtain a TS stream corresponding to the intermediate frequency signal, and sending the TS stream to the main processor; 所述主处理器与所述CI卡模块相连，用于对接收到的至少两路TS流进行合并，得到一路TS流，并将所述一路TS流发送至CI卡模块；The main processor is connected to the CI card module, and is used for combining at least two TS streams received to obtain one TS stream, and sending the one TS stream to the CI card module; 所述CI卡模块用于对接收到的TS流进行解密，并将解密后的TS流发送至所述主处理器，使所述主处理器对解密后的TS流继续进行处理，以实现节目播放。The CI card module is used to decrypt the received TS stream, and send the decrypted TS stream to the main processor, so that the main processor continues to process the decrypted TS stream to realize the program. play. 2.一种节目信号处理方法，应用于上述权利要求1所述的电视系统，其特征在于，所述方法包括：2. A program signal processing method, applied to the television system according to claim 1, wherein the method comprises: 当接收到播放指令时，获取与所述播放指令对应的至少两路射频信号；When receiving the playback instruction, acquire at least two radio frequency signals corresponding to the playback instruction; 对所述至少两路射频信号分别进行处理，得到至少两路加密的TS流；The at least two radio frequency signals are processed respectively to obtain at least two encrypted TS streams; 将所述至少两路加密的TS流进行合并，得到合并后的一路加密的TS流；Merging the at least two encrypted TS streams to obtain a combined encrypted TS stream; 对所述合并后的一路加密的TS流进行解密处理，得到对应至少两路射频信号的TS流。Decrypt the combined encrypted TS streams to obtain TS streams corresponding to at least two radio frequency signals. 3.根据权利要求2所述的方法，其特征在于，对所述至少两路射频信号分别进行处理，得到至少两路加密的TS流包括：3. The method according to claim 2, wherein the at least two radio frequency signals are processed respectively to obtain at least two encrypted TS streams comprising: 对所述至少两路射频信号分别进行调制，得到至少两路中频信号；respectively modulating the at least two channels of radio frequency signals to obtain at least two channels of intermediate frequency signals; 对所述至少两路中频信号分别进行解调，得到至少两路加密的TS流。The at least two channels of intermediate frequency signals are demodulated respectively to obtain at least two channels of encrypted TS streams. 4.根据权利要求2所述的方法，其特征在于，当接收到播放指令时，获取与所述播放指令对应的至少两路射频信号，包括：4. The method according to claim 2, wherein when receiving a playback instruction, acquiring at least two radio frequency signals corresponding to the playback instruction, comprising: 当接收到同时播放两个不同频点节目指令时，分别获取两个不同频点的射频信号。When receiving an instruction to play two programs at different frequencies at the same time, acquire the radio frequency signals of the two different frequencies respectively. 5.根据权利要求4所述的方法，其特征在于，得到对应两路射频信号的TS流之后，所述方法还包括：5. The method according to claim 4, wherein after obtaining the TS streams corresponding to the two radio frequency signals, the method further comprises: 依据主画面以及子画面的设置指令，对所述对应两路射频信号的TS流进行画中画播放。According to the setting instructions of the main picture and the sub picture, the picture-in-picture playback is performed on the TS streams corresponding to the two radio frequency signals. 6.根据权利要求2所述的方法，其特征在于，当接收到播放指令时，获取与所述播放指令对应的至少两路射频信号，包括：6. The method according to claim 2, wherein when receiving a playback instruction, acquiring at least two radio frequency signals corresponding to the playback instruction, comprising: 当接收到节目播放指令时，获取与所述节目播放指令对应的射频信号；When receiving the program playback instruction, obtain the radio frequency signal corresponding to the program playback instruction; 当接收到录制指令时，获取与所述录制指令对应的射频信号。When a recording instruction is received, a radio frequency signal corresponding to the recording instruction is acquired. 7.根据权利要求6所述的方法，其特征在于，得到对应两路射频信号的TS流之后，所述方法还包括：7. The method according to claim 6, wherein after obtaining the TS streams corresponding to the two radio frequency signals, the method further comprises: 将与所述节目播放指令对应的射频信号的TS流进行播放，将与所述录制指令对应的射频信号的TS流作为节目播放背景进行录制。The TS stream of the radio frequency signal corresponding to the program playing instruction is played, and the TS stream of the radio frequency signal corresponding to the recording instruction is recorded as the program playing background. 8.一种节目信号处理装置，集成于上述权利要求1所述的电视系统，其特征在于，所述装置包括：8. A program signal processing device, integrated in the television system according to claim 1, wherein the device comprises: 获取模块，用于当接收到播放指令时，获取与所述播放指令对应的至少两路射频信号；an acquisition module, configured to acquire at least two radio frequency signals corresponding to the playback instruction when the playback instruction is received; 处理模块，用于对所述至少两路射频信号分别进行处理，得到至少两路加密的TS流；a processing module, configured to process the at least two radio frequency signals respectively to obtain at least two encrypted TS streams; 合并模块，用于将所述至少两路加密的TS流进行合并，得到合并后的一路加密的TS流；a merging module, for merging the at least two encrypted TS streams to obtain a combined encrypted TS stream; 解密模块，用于对所述合并后的一路加密的TS流进行解密处理，得到对应至少两路射频信号的TS流。The decryption module is used for decrypting the combined encrypted TS streams to obtain TS streams corresponding to at least two radio frequency signals. 9.一种设备，其特征在于，所述设备包括：9. A device, characterized in that the device comprises: 一个或多个处理器；one or more processors; 存储装置，用于存储一个或多个程序，storage means for storing one or more programs, 当所述一个或多个程序被所述一个或多个处理器执行，使得所述一个或多个处理器实现如权利要求2-7中任一项所述的节目信号处理方法。When the one or more programs are executed by the one or more processors, the one or more processors implement the program signal processing method according to any one of claims 2-7. 10.一种计算机可读存储介质，其上存储有计算机程序，其特征在于，该程序被处理器执行时实现如权利要求2-7中任一项所述的节目信号处理方法。10. A computer-readable storage medium on which a computer program is stored, characterized in that, when the program is executed by a processor, the program signal processing method according to any one of claims 2-7 is implemented.
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