CN103067771A - Digital set top box and operating method thereof - Google Patents
Digital set top box and operating method thereof Download PDFInfo
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- CN103067771A CN103067771A CN2013100221090A CN201310022109A CN103067771A CN 103067771 A CN103067771 A CN 103067771A CN 2013100221090 A CN2013100221090 A CN 2013100221090A CN 201310022109 A CN201310022109 A CN 201310022109A CN 103067771 A CN103067771 A CN 103067771A
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Abstract
The invention provides a digital set top box and the operating method thereof. The digital set top box is a personal computer (PC) device connected with a digital video broadcasting (DVB) module. The digital set top box further comprises a network connection unit which is used for searching for dynamic host configuration protocol (DHCP) to gain an internet protocol (IP) address, binding with a media access control (MAC) address of the digital set top box, and searching for a domain name system (DNS) server to gain domain name service so as to connect with IP internet. The DVB module is used for gaining transport stream (TS) from the IP internet, compiling the TS gained from the IP internet and transmitting the compiled TS to the PC device so as to be broadcast. According to the digital set top box, purchasing cost for a user is reduced. By means of integration of the digital set top box and the PC device, a big screen television in the living room serves as an information output carrier, the user can freely switch the internet between the IP internet and the digital television programme, so that product usability is improved and operation is more flexible for the user. Meanwhile, as a double-network integrated product, the digital set top box provides more abundant and accurate information contents for users to browse.
Description
Technical field
The present invention relates to the set-top box technique field, relate in particular to a kind of top box of digital machine and method of work thereof.
Background technology
DVB(Digital Video Broadcasting, digital video broadcasting) be the Digital Television Open Standard by a series of international recognitions of DVB project maintenance.The DVB project be one by the industrial organization of more than 300 member compositions, it is by european telecommunications standards institute ETSI (European Telecommunications Standards Institute), and the joint specialist group JTC (Joint Technical Committee) that European electronic standard organizes CENELEC (European Committee for Electrotechnical Standardization) and the EBU of European Broadcasting Union (European Broadcasting Union) to constitute jointly initiates.
The core of DVB standard:
(1) system adopts MPEG(Moving Picture Experts Group, Motion Picture Experts Group) audio frequency, video and the data formats of-2 compressions are as resource;
(2) system adopts public MPEG-2 transmission (TS) multiplex mode;
(3) system adopts the public system service information (SI) that is used for describing broadcast program;
(4) the 1st of system the grade of chnnel coding adopts the protection of R-S forward error correction coding;
(5) modulation and other attached channel coding methods are determined by different transmission mediums; Use general method for scrambling and condition reception interface.
Digital TV set-top box is a kind of conversion equipment that digital television signal is converted to analog signal, present digital TV set-top box has become a kind of embedded computing equipment, has real time operating system, provide CPU to calculate and be used for coordinating controller top box each several part hardware facility, and provide easy-operating graphic user interface, such as the electronic program guides of enhanced-quality television, provide program introduction and the background information that both pictures and texts are excellent to the user.
Digital TV set-top box does not possess the X86-based system, can't access the IP the Internet of present extensive use, and the magnanimity information on the IP the Internet also can't be presented to the top box of digital machine user.
Summary of the invention
The embodiment of the invention provides a kind of top box of digital machine and method of work thereof, and network switches the improving product ease for use between IP network and digital television program so that the user is free to.
On the one hand, the embodiment of the invention provides a kind of top box of digital machine, and described top box of digital machine is the PC equipment that is connected with digital video broadcasting DVB module, and described top box of digital machine also comprises network connection unit, wherein,
Described network connection unit arranges the protocol DHCP server for the search DynamicHost and obtains the IP address, and binds with the media access control layer MAC Address of top box of digital machine, then searches for the domain name system dns server and obtains domain name service to connect the IP the Internet; Described DVB module is used for obtaining transport stream TS from the IP the Internet, and the described transport stream TS that will obtain from the IP the Internet compiles, and the transport stream TS after will compiling is transferred to described PC equipment to play.
Optionally, in an embodiment of the present invention, described DVB module comprises the RT10UP module.
Optionally, in an embodiment of the present invention, the PC equipment that described PC equipment is the X86-based system.
Optionally, in an embodiment of the present invention, after described DVB module will compile from the described transport stream TS that the IP the Internet obtains, by the peripheral element extension interface pci interface, or the transport stream TS of general-purpose serial bus USB interface after will compiling was transferred to described PC equipment to play.
Optionally, in an embodiment of the present invention, described DVB module has 3 tunnel transport stream TS input ports, utilizes 3 frequencies to receive simultaneously transport stream TS from the IP the Internet.
On the other hand, the embodiment of the invention provides a kind of method of work of top box of digital machine, and described top box of digital machine is the PC equipment that is connected with digital video broadcasting DVB module, and wherein, the method for work of described top box of digital machine comprises:
The search DynamicHost arranges the protocol DHCP server and obtains the IP address, and binds with the media access control layer MAC Address of top box of digital machine, then searches for the domain name system dns server and obtains domain name service to connect the IP the Internet;
Obtain transport stream TS by described DVB module from the IP the Internet, the described transport stream TS that will obtain from the IP the Internet compiles, and the transport stream TS after will compiling is transferred to described PC equipment to play.
Optionally, in an embodiment of the present invention, described DVB module comprises the RT10UP module.
Optionally, in an embodiment of the present invention, the PC equipment that described PC equipment is the X86-based system.
Optionally, in an embodiment of the present invention, after the described transport stream TS that described DVB module will be obtained from the IP the Internet compiled, by the peripheral element extension interface pci interface, or the transport stream TS of general-purpose serial bus USB interface after will compiling was transferred to described PC equipment to play.
Optionally, in an embodiment of the present invention, describedly obtain transport stream TS by described DVB module from the IP the Internet, comprising: by having the described DVB module of 3 tunnel transport stream TS input ports, utilize 3 frequencies to receive simultaneously transport stream TS from the IP the Internet.
Technique scheme has following beneficial effect: because the described top box of digital machine of employing is the PC equipment that is connected with digital video broadcasting DVB module, described top box of digital machine also comprises network connection unit, wherein, described network connection unit, for the search DynamicHost protocol DHCP server is set and obtains the IP address, and with the binding of the media access control layer MAC Address of top box of digital machine, then search for the domain name system dns server and obtain domain name service to connect the IP the Internet; Described DVB module, be used for obtaining transport stream TS from the IP the Internet, the described transport stream TS that to obtain from the IP the Internet compiles, and the transport stream TS after will compiling is transferred to the technological means of described PC equipment to play, so reached following technique effect: top box of digital machine adopts the PC equipment of the attached DVB of being connected to interface obviously to reduce user's acquisition cost, top box of digital machine and PC are united two into one, use the parlor large screen television as the information output carrier, the user is free to network switching between IP network and digital television program, promote Product's Ease of Use, given the more flexible operation degree of user; As two net fusion products, IP network information and digital TV network information are organically gathered simultaneously, derived more abundanter more accurately information contents, offer the user and browse.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of top box of digital machine structural representation of the embodiment of the invention;
Fig. 2 is the method for work flow chart of a kind of top box of digital machine of the embodiment of the invention;
Fig. 3 is that a kind of top box of digital machine of application example of the present invention forms structural representation.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 1, be a kind of top box of digital machine structural representation of the embodiment of the invention, described top box of digital machine is the PC equipment 23 that is connected with DVB module 22, and described top box of digital machine also comprises network connection unit 21, wherein,
Described network connection unit 21 arranges the protocol DHCP server for the search DynamicHost and obtains the IP address, and binds with the media access control layer MAC Address of top box of digital machine, then searches for the domain name system dns server and obtains domain name service to connect the IP the Internet; Described DVB module 22 is used for obtaining transport stream TS from the IP the Internet, and the described transport stream TS that will obtain from the IP the Internet compiles, and the transport stream TS after will compiling is transferred to described PC equipment 23 to play.
Optionally, in an embodiment of the present invention, described DVB module 22 comprises the RT10UP module.
Optionally, in an embodiment of the present invention, described PC equipment 23 is the PC equipment of X86-based system.
Optionally, in an embodiment of the present invention, after described DVB module 22 will compile from the described transport stream TS that the IP the Internet obtains, by the peripheral element extension interface pci interface, or the transport stream TS of general-purpose serial bus USB interface after will compiling was transferred to described PC equipment 23 to play.
Optionally, in an embodiment of the present invention, described DVB module 22 has 3 tunnel transport stream TS input ports, utilizes 3 frequencies to receive simultaneously transport stream TS from the IP the Internet.
Corresponding to said apparatus embodiment, as shown in Figure 2, be the method for work flow chart of a kind of top box of digital machine of the embodiment of the invention, described top box of digital machine is the PC equipment that is connected with digital video broadcasting DVB module, wherein, the method for work of described top box of digital machine comprises:
201, the search DynamicHost arranges the protocol DHCP server and obtains the IP address, and binds with the media access control layer MAC Address of top box of digital machine, then searches for the domain name system dns server and obtains domain name service to connect the IP the Internet;
202, obtain transport stream TS by described DVB module from the IP the Internet, the described transport stream TS that will obtain from the IP the Internet compiles, and the transport stream TS after will compiling is transferred to described PC equipment to play.
Optionally, in an embodiment of the present invention, described DVB module comprises the RT10UP module.
Optionally, in an embodiment of the present invention, the PC equipment that described PC equipment is the X86-based system.
Optionally, in an embodiment of the present invention, after the described transport stream TS that described DVB module will be obtained from the IP the Internet compiled, by the peripheral element extension interface pci interface, or the transport stream TS of general-purpose serial bus USB interface after will compiling was transferred to described PC equipment to play.
Optionally, in an embodiment of the present invention, describedly obtain transport stream TS by described DVB module from the IP the Internet, comprising: by having the described DVB module of 3 tunnel transport stream TS input ports, utilize 3 frequencies to receive simultaneously transport stream TS from the IP the Internet.
Embodiment of the invention technique scheme has following beneficial effect: because the described top box of digital machine of employing is the PC equipment that is connected with digital video broadcasting DVB module, described top box of digital machine also comprises network connection unit, wherein, described network connection unit, for the search DynamicHost protocol DHCP server is set and obtains the IP address, and with the binding of the media access control layer MAC Address of top box of digital machine, then search for the domain name system dns server and obtain domain name service to connect the IP the Internet; Described DVB module, be used for obtaining transport stream TS from the IP the Internet, the described transport stream TS that to obtain from the IP the Internet compiles, and the transport stream TS after will compiling is transferred to the technological means of described PC equipment to play, so reached following technique effect: top box of digital machine adopts the PC equipment of the attached DVB of being connected to interface obviously to reduce user's acquisition cost, top box of digital machine and PC are united two into one, use the parlor large screen television as the information output carrier, the user is free to network switching between IP network and digital television program, promote Product's Ease of Use, given the more flexible operation degree of user; As two net fusion products, IP network information and digital TV network information are organically gathered simultaneously, derived more abundanter more accurately information contents, offer the user and browse.
Below lifting application example is elaborated:
As shown in Figure 3, for a kind of top box of digital machine of application example of the present invention forms structural representation, application example top box of digital machine of the present invention is the attached PC equipment that is connected to the DVB interface, the technical issues that need to address are that the DVB module hardware of finishing on the X86-based system-based is integrated identification, finish QAM(Quadrature Amplitude Modulation, quadrature amplitude modulation at link layer) modulating data crawl and integration.
Behind digital set top box boot, cpu chip (being the Intel CE4100 among Fig. 3) at first carries out initialization to self, sending RESET(resets) signal, and each control section detected, initialization, detect errorless after, just will be stored in the FLASH(flash memory) in BOOT(start) program downloads to CPU internal memory (SDRAM), then detect and have or not serial ports upgrade information and OTA(Over The Air, the aerial download) code stream information, then do not skip, begin to guide the abbreviation of APP(Application, application program) program, the contents such as corresponding program parameter are downloaded voluntarily.
Secondly, search places the DHCP(Dynamic Host Configuration Protocol of front end, DynamicHost arranges agreement) server obtains (normally privately owned specific address, IP address, because digital video service mainly is confined in the local metropolitan area network), and with the MAC(Media Access Control of top box of digital machine, media access control layer) address binding, then search for DNS(Domain Name System, domain name system) server (name server) points to home page server after obtaining domain name service and connecting IP network; Thereby obtain start homepage interface.
After the digital television signal (frequency is 50MHz-870MHz) that cable television network utilizes cable to transmit is delivered to the top box of digital machine tuner, under the control of CPU, tuner is transformed to intermediate-freuqncy signal with this signal, and be input to the qam demodulator of QAMi5516 inside, with timing recovery, carrier wave recovery, data moulding, adaptive equalization and the Veterbi decoding of settling signal, deinterleaving, RS decoding with go randomization, the last TS(Transport Stream that meets Moving Picture Experts Group-2 that just obtains, transport stream) transport stream has so just been finished whole channel-decoding.
To deliver to the source coding module to carry out demultiplexing, video decode and audio decoder from TS IN interface from the TS stream of TS OUT module output, and then through PAL/NTSC/SECAM video encoder, audio frequency DAC(Digital to analog converter, digital analog converter) etc. processing module just can have been exported the audio-video signal of corresponding format.
Memory module mainly comprises FLASH, EEPROM and SDRAM etc.Wherein FLASH is used for depositing user application, EEPROM is used for storage system, user configuration information and all programme informations, SDRAM is the place of system and application program operation, video SDRAM then is used as video frequency decoding buffer zone to deposit OSD(on-screen display, the screen menu type regulative mode) data.
On the hardware configuration basis based on existing digital TV set-top box, loading is based on the application layer software of IP agreement, by the mode at the integrated relevant Ethernet interface of same top box of digital machine, adopt same process chip to finish information processing to digital television signal and IP content, utilize same remote controller to realize the fusion of different business on identical platform.
RT10UP(is aforesaid DVB module, the below is called for short chip) be a safety chip that receives TS streaming digital TV based on PC, have 3 TS input ports, integrated standard intelligent card control interface, can receive the digital television program of DVB Standard Encryption, and by USB(Universal Serial BUS, USB) or PCI(Pedpherd Component Interconnect, peripheral element extension interface) interface is sent to PC to data.
Chip is mainly used in internal or external Digital TV Receiving card, uses dissimilar tuner instead, can support wired, ground, the multiple application of satellite, and can satisfy condition and receive and demand that the user watches high-definition program.
Characteristic description:
Can integrated Yongxin look rich CA3.3.1 system, the perfect all functions of supporting this CA system.
Support 3 road TS input ports, 3 frequencies receive simultaneously, are equipped with different tuners and support DVB-C, DVB-S, the different transmission standards such as DVB-T, DMB-TH.Can watch simultaneously, record at different frequent points and receive data broadcasting, not interfere with each other.
Every road TS flow transmission rate 60Mbps, the 3 tunnel can reach 180Mbps, satisfy the high definition rate requirement fully.
Every road all supports 32 PID to filter or all-key stream receives.
Integrated DVB standard Descrambling Algorithms for TS stream descrambling, is used for the watching encrypted TV.
Support the independent deciphering of 3 tunnel whiles, descrambling.
The integration standard intelligent card interface is supported 9600pbs, 38400pbs, 57600pbs and four kinds of smart card transmission rates of 115200pbs.
Support two kinds of interface modes of switchable PCI32bit and USB2.0.
The integrated remote control control interface is supported the infrared remote control of various models.
Integrated I
2The C controller.
Integrated programmable OTP(One-time Password,, dynamic password).
The PC equipment and technology key point of the attached DVB of the being connected to interface of application example of the present invention is that the TS flow data after DVB module (being RT10UP module mentioned above) will compile outputs to do as the IO bus apparatus on basis take X86-based by the USB physical interface and merge to process, can accomplish the output of two-way Data Integration, reach the purpose that two nets merge.The PC equipment of subsidiary DVB interface has obviously reduced user's acquisition cost, top box of digital machine and PC are united two into one, use the parlor large screen television as the information output carrier, the user is free to network switching between IP network and digital television program, promote Product's Ease of Use, given the more flexible operation degree of user; As two net fusion products, IP network information and digital TV network information are organically gathered simultaneously, derived more abundanter more accurately information contents, offer the user and browse.
Those skilled in the art can also recognize the various illustrative components, blocks (illustrative logical block) that the embodiment of the invention is listed, the unit, and step can pass through electronic hardware, computer software, or both combinations realize.Be the clear replaceability (interchangeability) of showing hardware and software, above-mentioned various illustrative components (illustrative components), unit and step have been described their function generally.Such function is to realize depending on the designing requirement of specific application and whole system by hardware or software.Those skilled in the art can be for every kind of specific application, and can make ins all sorts of ways realizes described function, but this realization should not be understood to exceed the scope of embodiment of the invention protection.
Various illustrative logical block described in the embodiment of the invention, or the unit can pass through general processor, digital signal processor, application-specific integrated circuit (ASIC) (ASIC), field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the design of above-mentioned any combination realizes or operates described function.General processor can be microprocessor, and alternatively, this general processor also can be any traditional processor, controller, microcontroller or state machine.Processor also can realize by the combination of calculation element, for example digital signal processor and microprocessor, multi-microprocessor, Digital Signal Processor Core of one or more microprocessors associatings, or any other similarly configuration realize.
Method described in the embodiment of the invention or the step of algorithm can directly embed hardware, the software module of processor execution or the two combination.Software module can be stored in the storage medium of other arbitrary form in RAM memory, flash memory, ROM memory, eprom memory, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area.Exemplarily, storage medium can be connected with processor so that processor can be from storage medium reading information, and can deposit write information to storage medium.Alternatively, storage medium can also be integrated in the processor.Processor and storage medium can be arranged among the ASIC, and ASIC can be arranged in the user terminal.Alternatively, processor and storage medium also can be arranged in the different parts in the user terminal.
In one or more exemplary designs, the described above-mentioned functions of the embodiment of the invention can realize in hardware, software, firmware or this three's combination in any.If realize in software, these functions can be stored on the medium with computer-readable, or are transmitted on the medium of computer-readable with one or more instructions or code form.The computer-readable medium comprises the computer storage medium and is convenient to so that allow computer program transfer to other local communication medium from a place.Storage medium can be the useable medium that any general or special computer can access.For example, such computer readable media can include but not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage device, or other anyly can be used for carrying or storage can be read by general or special computer or general or special processor the program code of form with instruction or data structure and other medium.In addition, any connection can suitably be defined as the computer-readable medium, for example, if software is by a coaxial cable, fiber optic cables, twisted-pair feeder, Digital Subscriber Line (DSL) or also being comprised in the defined computer-readable medium with wireless way for transmittings such as infrared, wireless and microwave from a web-site, server or other remote resource.Described video disc (disk) and disk (disc) comprise Zip disk, radium-shine dish, CD, DVD, floppy disk and Blu-ray Disc, and disk is usually with the magnetic duplication data, and video disc carries out the optical reproduction data with laser usually.Above-mentioned combination also can be included in the computer-readable medium.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; the protection range that is not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a top box of digital machine is characterized in that, described top box of digital machine is the PC equipment that is connected with digital video broadcasting DVB module, and described top box of digital machine also comprises network connection unit, wherein,
Described network connection unit arranges the protocol DHCP server for the search DynamicHost and obtains the IP address, and binds with the media access control layer MAC Address of top box of digital machine, then searches for the domain name system dns server and obtains domain name service to connect the IP the Internet;
Described DVB module is used for obtaining transport stream TS from the IP the Internet, and the described transport stream TS that will obtain from the IP the Internet compiles, and the transport stream TS after will compiling is transferred to described PC equipment to play.
2. top box of digital machine as claimed in claim 1 is characterized in that,
Described DVB module comprises the RT10UP module.
3. top box of digital machine as claimed in claim 1 is characterized in that,
The PC equipment that described PC equipment is the X86-based system.
4. top box of digital machine as claimed in claim 1 is characterized in that,
After described DVB module will compile from the described transport stream TS that the IP the Internet obtains, by the peripheral element extension interface pci interface, or the transport stream TS of general-purpose serial bus USB interface after will compiling was transferred to described PC equipment to play.
5. top box of digital machine as claimed in claim 1 is characterized in that,
Described DVB module has 3 tunnel transport stream TS input ports, utilizes 3 frequencies to receive simultaneously transport stream TS from the IP the Internet.
6. the method for work of a top box of digital machine is characterized in that, described top box of digital machine is the PC equipment that is connected with digital video broadcasting DVB module, and wherein, the method for work of described top box of digital machine comprises:
The search DynamicHost arranges the protocol DHCP server and obtains the IP address, and binds with the media access control layer MAC Address of top box of digital machine, then searches for the domain name system dns server and obtains domain name service to connect the IP the Internet;
Obtain transport stream TS by described DVB module from the IP the Internet, the described transport stream TS that will obtain from the IP the Internet compiles, and the transport stream TS after will compiling is transferred to described PC equipment to play.
7. the method for work of top box of digital machine as claimed in claim 6 is characterized in that,
Described DVB module comprises the RT10UP module.
8. the method for work of top box of digital machine as claimed in claim 6 is characterized in that,
The PC equipment that described PC equipment is the X86-based system.
9. the method for work of top box of digital machine as claimed in claim 6 is characterized in that,
After the described transport stream TS that described DVB module will be obtained from the IP the Internet compiled, by the peripheral element extension interface pci interface, or the transport stream TS of general-purpose serial bus USB interface after will compiling was transferred to described PC equipment to play.
10. the method for work of top box of digital machine as claimed in claim 6 is characterized in that, describedly obtains transport stream TS by described DVB module from the IP the Internet, comprising:
By having the described DVB module of 3 tunnel transport stream TS input ports, utilize 3 frequencies to receive simultaneously transport stream TS from the IP the Internet.
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| CN106412653A (en) * | 2016-12-03 | 2017-02-15 | 河池学院 | Digital set-top-box system |
| CN106792200A (en) * | 2017-02-17 | 2017-05-31 | 深圳创维数字技术有限公司 | A kind of Working mode switching method, device and Set Top Box |
| CN107566876A (en) * | 2017-09-26 | 2018-01-09 | 深圳佳力拓科技有限公司 | Set-top-box system that is a kind of while supporting multisignal source |
| CN108769797A (en) * | 2018-05-31 | 2018-11-06 | 深圳市茁壮网络股份有限公司 | A kind of method and system for accelerating live streaming to cut platform |
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