CN101035243A - Three-network integrated digital high-resolution TV system based on Internet - Google Patents

Three-network integrated digital high-resolution TV system based on Internet Download PDF

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CN101035243A
CN101035243A CN 200610034044 CN200610034044A CN101035243A CN 101035243 A CN101035243 A CN 101035243A CN 200610034044 CN200610034044 CN 200610034044 CN 200610034044 A CN200610034044 A CN 200610034044A CN 101035243 A CN101035243 A CN 101035243A
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internet
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陈惠洪
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Abstract

The invention relates to a three networks of Internet-based digital high-definition television system, including the broadcast media stream for the digital high-definition television, including set-top boxes, and digital high-definition TV connected to receive downloaded from the Internet IP media streams, and the decoder can be converted into broadcast media stream output the digital high definition television. Through the use of more technology program, the invention can telecommunications operators and broadband service providers design streaming media services and program editing, storage and authentication and accounting, and other subsystems, and the main storage and transmission to the international MPEG-4 codec technology standards as the core content streaming media files. Further could very easily be television services and Internet browsing, e-mail and a variety of online information consulting, entertainment, education and other interactive business functions together. The television show is unique anti-scintillation function.

Description

The integration of three networks digital high-resolution TV system of Internet-based
[technical field]
The present invention relates to the Web TV field, particularly a kind of integration of three networks digital high-resolution TV system of Internet-based.
[background technology]
In recent years, along with the high speed development that the broadband is built, streaming media service has become one of main application of internet, and increasing operator begins to provide the network online service. This technology allows the viewer to watch, listen to while downloading, and need not wait until after whole multimedia file download is finished and just can watch and listen to. Stream media technology is a kind of technology that audio frequency, video and other multimedias can be on Internet and Intranet be play in mode real-time, that need not to download wait. It is divided into one by one compressed package with multimedia files such as animation, audio frequency and video through special compress mode by the mode of stream transmission,, in real time transmission continuous to subscriber computer by video server. In the system that adopts the stream transmission mode, the user needn't wait until all complete rear central contents of just seeing of download of whole file as non-stream is play, but play after only need can utilizing at user's digital high-definition television machine corresponding player or other hardware, software to files in stream media decompress(ion)s such as the animation of compression, audio frequency and video through several seconds startup time-delay and watch, the remainder of multimedia file will continue download in the server on backstage.
MPEG is (Motion Pictures Expert Group motion picture expert group) under prediction telecommunications, computer and TV, the development trend of film in future, video, audio frequency, the data compression standard developed and published by ITU and ISO. MPEG has good compatibility, can receive the mpeg file of using from the Software Coding of B company from the mpeg compatible player of A company. MPEG can provide better compression ratio than other algorithms, reaches as high as 200: 1. The more important thing is that MPEG is when providing high compression ratio, and is very little to the loss of data. MPEG has experienced the development courses such as MPEG-1, MPEG-2 and MPEG-4. Wherein MPEG-4 is with its unique mutual function, the compression of high-quality and high power capacity, and the characteristics such as integration of 2D/3D, image, animation, text just progressively replace MPEG-1 and MPEG-2. The MPEG-4 video encoding standard is just causing a new technological revolution of field of media. So that internet, broadcasting and television network, telecommunications network " unification of three nets " become technically possibility, but, how really to implement the "Three-in-One Network", realize the different market demands of network audio video request program or family's program request with each field user such as user that satisfies Intranet, telecommunications broadband operation network, cable television broadband network and possess Internet access, prior art does not still provide good solution.
[summary of the invention]
The integration of three networks digital high-resolution TV system that the purpose of this invention is to provide a kind of Internet-based, can really implement the "Three-in-One Network", realize the different market demands of network audio video request program or family's program request with each field user such as user that satisfies Intranet, telecommunications broadband operation network, cable television broadband network and possess Internet access.
The technical solution adopted for the present invention to solve the technical problems is: a kind of integration of three networks digital high-resolution TV system of Internet-based, comprise the digital high-definition television for media stream, also comprise STB, be connected with digital high-definition television, the Media Stream that reception is downloaded from the IP internet is exported to digital high-definition television through decoding and converting the Media Stream that can play to.
Further, the present invention also comprises remote controller, gives described STB input instruction.
Further, STB of the present invention comprises the digital TV decoding device, to the TV programme that provide via the IP internet broadcast of decoding.
Further, STB of the present invention comprises MPEG4 digital TV decoding device or VOD video request program decoding device, to the broadcast of decoding of the MPEG4 that provides via the IP internet or VOD video request program Media Stream.
Further, STB of the present invention comprises browser or mail transmission/reception decoding device, and the internet information that provides via the IP internet is browsed.
Further, STB of the present invention comprises the mail transmission/reception decoding device, provides mail service by the IP internet.
Further, STB of the present invention comprises that the mainboard that decoding chip and dominant frequency joining with it are 800-1200M forms.
Further, the present invention also comprises following assembly:
Tools for generation of the high-quality MPEG4 encoded product of the file that meets senior easy configuration MPEG-4 iso standard, are supported to filter and preset function;
Server, the unicast stream transmission of support media program request and the Multicast Flows transmission of media broadcast, multithread is redirected configuration and allows to set up neatly network management environment; Be in charge of a plurality of encoders and server component in the Internet Protocol Television head end, configuration, management and supervision head end for scalable deployed environment provides Redundancy Management, are carried out the network encryption function;
Encoder is used for catching live video and audio frequency, and these contents are encoded to the MPEG4 encoded product, then transmits the MPEG-4 content that produces by IP network with multicast or mode of unicast;
Middleware utilizes broadband network, integrates many technology such as internet, multimedia, communication, and the multiple interactive services that comprises DTV is provided to the user;
Player, the permission user is direct and broadcast medium is mutual.
Further, the present invention also comprises following assembly:
International standard calibration receiving terminal software/built-in browser has the still image function that distinctive TV shows anti-flashing function, supports basic I P network flow agreement.
Further, the present invention also comprises following assembly: network HDTV platform allows the user directly and the mutual program request of network HDTV platform.
By adopting above technical scheme, the files in stream media take the international encoding and decoding technique standard of MPEG-4 as core content is mainly stored and transmitted to the subsystems such as the present invention can for telecom operators and the media services of broadband service merchant design flow, program be gathered and edited, storage and authentication and accounting. Can be easily the interactive business functions such as TV service and internet browsing, E-mail receiver/send and multiple on-line information consultant, amusement, education be combined. Digital high-definition Web TV IP HDTV built-in browser and calibration receiving terminal software have distinctive TV and show anti-flashing function, support basic I P network flow agreement and the multiple still image functions such as English ISK-8859-1, Chinese GB2312 that the function cost performance obviously surpasses like product. The aspects such as uniqueness of technology content, compatibility, man-machine interface operability, functions expanding and line design have marked improvement.
[description of drawings]
Fig. 1 is system construction drawing of the present invention.
Fig. 2 is the further system construction drawing of the present invention.
Fig. 3 is digital high-definition Web TV player receives TV station from network homepage schematic diagram.
Fig. 4 is the first pass figure that the present invention uses in the telecommunications broadband.
Fig. 5 is the second flow chart that the present invention uses in the telecommunications broadband.
Fig. 6 is the interactive program request schematic diagram of network HDTV platform.
[specific embodiment]
The below does to set forth further to the present invention with specific embodiment with reference to the accompanying drawings.
Extremely shown in Figure 6 such as Fig. 1, digital high-definition Web TV of the present invention (IP HDTV) system is based on the MPEG-4 encoding and decoding standard, this project aims at telecom operators and broadband service merchant design, comprise that streaming media service, program are gathered and edited, the subsystems such as storage and authentication and accounting, the content of mainly storing and transmitting is the files in stream media take the international encoding and decoding technique standard of MPEG-4 as core. The IPHDTV system comprises following seven major parts:
1) makes (turning shelves/transcoding) instrument (Encoders)
For generation of the high-quality MPEG-4 encoded product of the file that meets senior easy configuration MPEG-4ISO standard, support to filter and preset with the raising performance.
2) server (Servers)
The unicast stream transmission of support media program request and the Multicast Flows transmission of media broadcast, multithread is redirected configuration and allows to set up neatly network management environment. Be in charge of a plurality of encoders and server component in the Internet Protocol Television head end, can dispose, manage and monitor head end, for scalable deployed environment provides Redundancy Management, and can carry out the network encryption function.
3) encoder (Scripters)
Be used for catching live video and audio frequency, these contents are encoded to the MPEG-4 encoded product, then transmit the MPEG-4 content that produces by IP network with multicast or mode of unicast.
4) middleware (NetPOWER)
Middleware is a kind of broadband network that utilizes, and integrates many technology such as internet, multimedia, communication, and the new technology of the multiple interactive services that comprises DTV is provided to the domestic consumer.
5) player (Players)
Utilize the multi-platform player of XLD-STB, allow the user directly mutual with broadcast medium, experience the MPEG-4 interaction capabilities at the selection multimedia object with when mutual with multimedia object.
6) international standard calibration receiving terminal software/built-in browser
IP HDTV built-in browser and calibration receiving terminal software have distinctive TV and show anti-flashing function, support basic I P network flow agreement and the multiple still image functions such as English ISK-8859-1, Chinese GB2312.
7) network HDTV platform (IPHDTV)
Utilize the multi-platform player of XLD-STB, allow the user directly and the mutual program request of network HDTV platform.
The product solution of digital high-definition Web TV of the present invention (IP HDTV) system is STB (STB)+TV (TV) and makes it finally to become important broadband application terminal that the STB product adopts the framework of CPU+ DSP. Utilize TV will help to solve the low restriction to the broadband development of China PC popularity rate as the broadband application terminal.
1) Mobyneb MPEG IP STB STB
What Mobyneb MPEG IP STB STB adopted is that the decoding chip (EM847x) of SIGMA and the mainboard of VIA C3 (dominant frequency 800-1200) are integral, can support: by IPTV provide TV to appreciate, all kinds of amusements and the information services such as MPEG-4 plays, surf the web, mail transmission/reception, Music Appreciation, financial stock market, VOD video request program and specific function link, and can solve the licensing issue of charging accordingly by IC-card. And because of the raising of its frequency speed can be compatible other software function, as: support broadcast of WMV form etc. in the mode of soft decompress(ion), the space of the functions expanding on network application also be provided.
The advantage of this scheme has been decoding chip, CPU, built-in Linux operating system integrated, realized at the present up-to-date substandard IPHTV nexus of the audio frequency and video image processing standard MPEG-4 multicast function of industry, also can pass through network interface, need not dispose in addition computer and display thereof, directly just realize the function of online and receiving and dispatching mail from television set, and increased frequency speed, simultaneously, product is verified through the exploitation more than 5 years on the basis of former IP VOD theory and practice, technology maturation, reliable in quality, application is more extensive, such as telecommunications broadband, cable television, long-distance education etc.
The particular hardware functional characteristic of this product comprises:
Play glibly MPEG-1, MPEG-2, MPEG-4;
Figure A20061003404400092
VGA/S-Video interface energy outputting standard video all over the screen comprises 640*480*100Hz, 800*600*85Hz, 1024*768*60Hz;
Figure A20061003404400093
Can use DOC as the storage medium of operating system and application program, and start by DOC;
Figure A20061003404400094
Necessary driver is provided, comprises Linux and Windows;
Figure A20061003404400095
On Linux and Windows, can provide and drive VIP (Video Input Port) interface;
Plate carries chip can support 1 pci interface;
Figure A20061003404400097
Pci interface is in the situation of installing card, and the interface of pci card and other plate side interfaces are on the same level face;
Figure A20061003404400098
Power supply input, output interface provide with the double 10Pin plug of standard form on mainboard;
Figure A20061003404400099
The voice band line output interface is the standard stereo interface, and supports Doby 5.1 sound channel SPDIF output;
Figure A200610034044000910
Can arrange by adjusting BOIS, use the machine after improper reason outage, power up and automatically to start, not need again by starting button;
Wireless remote control be can support, Wireless Keyboard and Digiplex distant control function contained.
The software function feature of this product comprises:
Figure A200610034044000912
Support logs in the ordering server of assigned ip by network connection
Figure A200610034044000913
Support (SuSE) Linux OS
Support MPEG-1, MPEG-2, MPEG-4 audio frequency and video hard decoder to play
Figure A200610034044000915
Can support without dish operation and local hard drive operation
Figure A200610034044000916
Support OSD Translucent overlay function
Figure A200610034044000917
Support to surf the web, receive and dispatch the function of surfing the Net such as EMAIL
Figure A200610034044000918
Can appreciate film (full frame/wicket) at VGA display and television set
Figure A200610034044000919
Support wireless remote control (infrared keyboard, remote controller)
Figure A200610034044000920
Support the transmission of ISMA video code flow
Figure A200610034044000921
Can save bandwidth, the code stream bandwidth that the file of MPEG-4 standard only need take 350K-1M just can reach the video effect of DVD level
Applied range, as: long-distance education/medical treatment, Intelligent Community, telecommunications broadband video-on-demand application, hotel's program request, KTV and satellite, cable television receive etc.
2) popular MPEG IP STB STB
Popular MPEG IP STB STB adopts the SOC conceptual design, the SOC embedded system is in recent years in the world just in popular main flow system, it has realized hardware integration on the basis of realizing PC computer all functions, move extremely reliable and stable, mostly be the occasion uses high to demanding terminal such as bank, adopt stable, advanced embedding LIUNX operating system and embedded set top box terminal, system's operation is highly stable. System thought adopts embedded and the electrification design, and each parts switch of whole system only need to be pressed shift knob and get final product. Therefore operation is extremely reliable and stable, maintenance is simple and convenient; Outward appearance is small and exquisite attractive in appearance. The technical merit of complete equipment is in rank first, is at present domestic unique up-to-date scientific and technological crystallization of accomplishing full-embedded type. Because what adopt also is embedded OS, allow the user to carry out any illegal operation, the user can at any time arbitrarily shut down and can not cause system crash, guarantees user's normal operation and interests. This product is except having the hardware capability characteristic of agreeing with Mobyneb, and unique software function feature comprises:
Figure A20061003404400102
Operating system: built-in Linux;
Figure A20061003404400103
Video server: the video server of supporting all kinds of RTSP or custom protocol;
Figure A20061003404400104
Built-in browser: support HTTP1.1/1.0, HTML4.0, JAVASCRIPT1.2, Flash5.0, support Cookies, HTTP proxy, SSL3.0/TLS1.0, CSS2.0, XML 1.0, support English (ISO-8859-1), support Chinese GB2312, (16 dot matrix word libraries, vector font library), support JPG/GIF/PNG/BMP still image, support GIF dynamic image;
Figure A20061003404400105
Basic network agreement: TCP (RFC 793), UDP (RFC 768), Ipv4 (RFC 791), ARP ﹠ RARP, DNS Client, DHCP Client, PPPoE, SNTP (RFC 2030), support IGMP v2, support dual stack, in the situation of PPPoE dial-up access, can directly process the multicast message spare that is directly carried by Ether frame;
Figure A20061003404400106
Email: support POP3, SMPT and MIME E-mail receiver/send, support English, simplified form of Chinese Character, Pinyin Input, conventional sign input;
Figure A20061003404400107
IP stream protocol: support streaming media protocol RTP/RTCP, support Streaming Media control protocol RTSP;
Figure A20061003404400108
Management maintenance agreement: FTP or TFTP (Client), Remote configuration management (order line or WEB or SNMP);
Figure A20061003404400111
Other function: local upgrade, far-end upgrading, auto-update;
Figure A20061003404400112
Video decode: support MPEG4 ASP (MPEG-4 ASP@L3 (CIF) and ASP@L5 (D1)), MPEG4 code stream encapsulation format satisfy ISMA standard (based on stream protocol), MPEG-1/2/4, the following resolution video of support SD be adapted to (Up-Scale) all over the screen, support PAL, TSC-system formula input code flow self adaptation, support PAL to output to TV, support NTSC to output to TV, support 4: 3/16: 9 video inputs, support to change at 4: 3/16: 9 and export;
Figure A20061003404400113
Audio decoder: MPEG1 Audio Layer I and II and III (MP3), AAC, WMA;
Figure A20061003404400114
The user experiences: start can show Dynamic Schedule bar, start blank screen time<3 second, start total time<10 second, start-up time<3 second are play in request program, switching time<3 between EPG page switching time<2 second, channel second, channel to switching time<2 of EPG second, EPG to switching time<3 of channel second, adjustable program broadcast cache-time 3-10 second, support full Graphical Chinese User Interface, have based on the translucent OSD menu of video;
Video request program (VOD﹠AOD): support the control functions such as program broadcast, time-out, F.F., rewind down, convergent-divergent, the MPEG-1/2/4 audio/video flow decoding of IVOD, multiple transport protocols, support the normal VOD operation such as broadcast, time-out, F.F., rewind down, support the electronic program list of video frequency program;
Figure A20061003404400116
NVOD: adopt a plurality of passages to broadcast at a certain time interval same program (group), the user selects certain passage to watch according to the arrangement of time of oneself. Server only need to get final product at the official hour broadcast data in hfc plant, then needs server, the network equipment, terminal to support multicast (Multicast) function in IP network;
Figure A20061003404400117
Cooperating type NVOD: this is the NVOD service that strengthens, server system gathers the content requests of all users in certain time period, user to the request same program content gathers, and concentrate the service of playing at certain specific time point, knock down-price similarly with collective on the internet, this is a kind of multicast services of resource reservation formula;
Broadcast service: broadcast service is consistent with traditional radio and television, be used for some nearest fresh content introductions, the bulletin issue waits and is permitted many-sided content, and broadcasting can realize in hfc plant and IP subnet directly that the broadcasting of crossing over a plurality of subnets in the IP network can realize indirectly in the mode of multicast;
Figure A20061003404400119
Live broadcast service: live broadcast service is to be used in great current events, competitive sport, and the live service such as satellite, the characteristics of this class service are that service time and service times are concentrated;
Figure A20061003404400121
The Broadband Internet access service: the high-speed wideband access server equipment that video server can be used as Internet uses, Here it is following broad access network gate;
Figure A20061003404400122
Data, services: data, services comprises the stock information service, public information service and data download service;
The interactive video game: the interactive video game is a kind of very rich promising application, and at present, along with stream media technology progressively moves to maturity and is used widely, the interactive video game will become a very important strength in the network-multimedia application;
Figure A20061003404400124
Internet video communication: Internet video communication is exactly everyone dreams cybertimes always, by video server, can realize the Video chat chamber, realizes a kind of brand-new video conferencing service mode and video communication services pattern.
3) luxury MPEG IP STB STB
Figure A20061003404400125
Built-in browser: support HTTP1.1/1.0, HTML4.0, JAVASCRIPT1.2, Flash5.0, support Cookies, HTTPproxy, SSL3.0/TLS1.0, CSS2.0, XML1.0, support English (ISO-8859-1), support Chinese GB2312, (16 dot matrix word libraries, vector font library), support JPG/GIF/PNG/BMP still image, support GIF dynamic image.
Figure A20061003404400126
Basic network agreement: TCP (RFC793), UDP (RFC768), Ipv4 (RFC791), ARP﹠RARP, DNSClient, DHCPCIient, PPPoE, SNTP (RFC2030), support IGMPv2, POP3, SMPT and MIME E-mail receiver/send are supported English, simplified form of Chinese Character, Pinyin Input, conventional sign input.
Figure A20061003404400127
IP stream protocol: support streaming media protocol RTP/RTCP, support Streaming Media control protocol RTSP.
Figure A20061003404400128
Management maintenance agreement: FTP or TFTP (Client), Remote configuration management (order line or WEB or SNMP)
Other function: local upgrade, far-end upgrading, auto-update.
Figure A200610034044001210
Video decode: support MPEG4ASP (MPEG-4ASP@L3 (CIF) and ASP@L5 (D1)), MPEG4 code stream encapsulation format satisfy standard criterion (based on stream protocol), MPEG-1/2/4, support WMV9, H.264, support the following resolution video of SD be adapted to (Up-Scale) all over the screen, support PAL, TSC-system formula input code flow self adaptation, support PAL to output to TV, support NTSC to output to TV, support 4: 3/16: 9 video inputs, support to change at 4: 3/16: 9 and export.
Figure A200610034044001211
Audio decoder: MPEGlAudioLayerIandIIandIII (MP3), AAC, WMA, AC3.
Figure A200610034044001212
Function declaration: program request (VOD﹠AOD), cooperating type NVOD, broadcast service, live broadcast service, Broadband Internet access service, data, services, interactive video game, video telephone function (VoIP), wireless network (802.11b/g), KTV/MTV system.
1, the technology content of product improves greatly
Fully use the real-time of interactivity, high compression rate and flexile access mode and the embedded UC_Linux of MPEG-4 ISMA streaming medium content, utilize broadband network, integrate many technology such as internet, multimedia, communication, the multiple interactive services that comprises DTV is provided to the domestic consumer. As: the functions such as video request program, broadcast service, live broadcast service, time-moving television, Broadband Internet access service, data, services, interactive video game, Internet video communication.
Overall system design has: embedded real time system+embedded type GUI+built-in browser+Embedded Middleware forms, by the organic combination of the pattern of assembly. Wherein:
Embedded Middleware has: play the files in stream media of the multiple formats such as MPEG-1, MPEG-2, MPEG4, DIVX, ISMA, MP3, AVI, AAC, AC3, WMA, OGG, JPG, TXT, support RTP/RTCP, RTSP agreement and support the video server of all kinds of RTSP or custom protocol;
Embedded type GUI: have multithreading and multiwindow, dialog box and standard control, other GUI elements, message and message circulation, figure and input level of abstraction, multi-font and character sets multiple support, the support of self-defined subwindow class, main window hositing support;
This middleware is a kind of broadband network that utilizes, and integrates many technology such as internet, multimedia, communication, and the new technology of the multiple interactive services that comprises DTV is provided to the domestic consumer.
The formations such as the hard decoder chips of CPU, MPEG4 of STB employing SOC, infrared remote controller, infrared receiver/transmitter, RJ45 Ethernet interface, other external apparatus interfaces. System component: embedded UC_Linux real time operating system, built-in browser, mbedded GUI, Embedded Middleware. Wherein
A, embedded UC_Linux real time operating system have small and exquisite real-time function, support TCP, UDP, DNS Client, DHCP Client, PPPoE, IGMP, POP3, RTP/RTCP, RTS agreement, have local upgrade, far-end upgrading, auto-update;
B, built-in browser are supported HTTP1.1/1.0, HTML4.0, JAVASCRIPT1.2, Cookies, SSL3.0/TLS1.0, CSS2.0, XML 1.0, support English, Chinese GB2312, JPG/GIF/PNG/BMP still image, are supported the GIF dynamic image; Support English, simplified form of Chinese Character, Pinyin Input, conventional sign input;
C, Embedded Middleware can be play the files in stream media of the multiple formats such as MPEG-1, MPEG-2, MPEG4, DIVX, ISMA, MP3, AVI, AAC, AC3, WMA, OGG, JPG, TXT, support RTP/RTCP, RTSP agreement and support the video server of all kinds of RTSP or custom protocol;
D, mbedded GUI is small and exquisite and configurable, has that multithreading and multiwindow, dialog box and standard control, other GUI elements, message and message circulation, figure and input level of abstraction, multi-font and character sets multiple support, self-defined subwindow class are supported, main window hositing supports;
The native system system follows on the basis of MPEG4 international standard, has adopted built-in Linux real time operating system, built-in browser, MPEG4 ISMA to flow video compression decode, and image quality loss strengthens compression ratio, optimizes image quality. Each field user such as user that can satisfy Intranet, telecommunications broadband operation network, cable television broadband network and possess Internet access is realized the different market demands of network audio video request program or family's program request; Have the functions such as video request program, broadcast service, live broadcast service, time-moving television, Broadband Internet access service, data, services, interactive video game, Internet video communication.
The Hardware Design of e.MPEG STB has adopted integrated decoding chip and CPU (dominant frequency 500) innovative technology, broken through the convention that only can support the embedded scheme of dominant frequency less (as: 220-266MHz) in original similar products, the frequency speed of CPU is improved, thereby the speed of network service and the response time of other associative operations have correspondingly been improved, when can supporting passing IP VOD, receiving and dispatching mail and the online three large basic functions that can support, application that also can compatible other network functions, as: when giving full play to the network video-on-demand MPEG-4 file effect that hard decompress(ion) brings, also optionally watch the WMV file format of utilizing soft decompress(ion) to support to play; And expanding space of other network application software functions be provided, and as: in telecommunications broadband application field, client need to increase software function, Fare Collection System and IP PHONE of a CA decoding etc.
F. mainboard itself also is a superintegrated wiring board, adopted large-scale programmable logic array, electronic devices and components and powerful master chip that hundreds of is small-sized integrate, erect the hardware platform of a purposes broadness, as: can be applied to various broadband networks, information station and information server etc.
3, product has good man machine operation interface
MPEG-4 STB provides good man machine operation interface for user side. Along with the popularization of IPTV, STB (STB)+TV (TV) will become important broadband application terminal, utilize TV will help to solve the low restriction to the broadband development of China PC popularity rate as the broadband application terminal. The program request application software of MPEG-4 STB user side adopts state-of-the-art development platform, this software is take the RMF API of U.S. Sigma Designs company as development platform, Application and Development software function under (SuSE) Linux OS, integrate browser and become complete embedded system, browser is furnished with good interface, is easy to user's program request. System is portable strong, may operate in any MPEG series of products in the network program request (to contain MPEG-4 decoding card and STB).
4, the expansion of product is powerful
MPEG-4STB has powerful expanding function. The audio frequency and video cleanup standard that the MPEG-4STB product is organized to set up according to international MPEG and designing, can satisfy MPEG series, especially the network program request of MPEG-4 file format is watched, also can expand in the network application field new function, as: the reception of satellite receiving system, cable digital TV, decryption system, client's authentication decryption system, Monitoring System of Intelligent Community also have relevant note charge system of the operation management of being applicable to etc. simultaneously.
STB adopts the front end as IPTV, has guaranteed that rating quality and superior user experience, and have solved the problem of unauthorized access simultaneously to a great extent; Give full play to the potentiality of MPEG-4 standard, so that under limited bandwidth, realize best visual effect, cut operating costs greatly; Utilize the MPEG-STB STB, operator can dispose rapidly whole IPTV network, expands in a short time Internet video new business, controls the market opportunity.
5, product has unique functional characteristics
With regard to MPEG STB, its three large major function--IP VOD, surf the web and receiving and dispatching mail: receive software one of client terminal configuration, by the communication protocol of network RTSP (video streaming), successfully link up with video server, realize the nexus multicast function. And successfully integrated TCP/IP and HTTP network communication protocol, make it under the cooperation of browser to realize to surf the web and the function of receiving and dispatching mail.
6, product has the line design of improvement
In the design of MPEG STB mainboard, adopted VIA C3TME-Series EBGA processor and a series of through optimizing the components and parts of Selection and Constitute, it is smaller and more exquisite attractive in appearance to make it not only to get up from the appearance, but also need add the noise that fan brings because this CPU advantage low in energy consumption has greatly reduced most CPU because frequency speed promotes, thereby more satisfied the technical standard of STB when indoor running. Simultaneously, after thinking better of subscriber's line circuit and possessing the characteristics of reliability, adopt the Mini-iTX circuit transmission to realize that noise is little, take up an area less but high-octane ideal value. In addition, the popular hardware embedded system of the more integrated present industry of the design of two IDE slots has been brought very big facility. The open merchant of software can directly be cut into the software compounding practice system of oneself a man-to-man compact applications platform, by IDE mouth and the direct combination of hardware, reaches perfect Embedded Application. This measure had both made product and system form single-minded application, thereby had also reduced the cost of product itself.
The main business functional parameter of IP HDTV system and traditional TV, PC industry, the comparison sheet of domestic existing like product technical indicator:
Television relay Implementation Buy broadcasting rights or hire out the IPTV platform
With the TV competitive advantage The MPEG 2/MPEG4 form program that can relay high-resolution can show the personal program list according to user habit
Competitive advantage with PC Friendly interface, simple to operation
With other IPTV competitive advantages Browser speed is fast, support XML and the anti-flashing function of television set
Technical guarantee Multi-cast system based on the Multicast agreement is broadcasted concurrent system based on the broadcast relay of Multicast and Unicast and the core technology of repeater system STB exploitation based on the high-performance of Unicast
Charging mode Monthly payment or free
Play-on-demand program Implementation Buy film source or hire out the IPTV platform
With the TV competitive advantage The user can carry out the VCR interactive operation, random time, repeatedly watches that can to arrange request program according to user habit single, and user's program request situation is carried out the MPEG 2/MPEG 4 format section purpose program requests that statistical analysis can provide high-resolution
With the PC competitive advantage The operation of long-distance remote control device, keypress function is simple and clear, is easy to grasp
With other IPTV competitive advantages The effect of low bandwidth high image quality and multifunctional intelligent purpose learning remote controller
Technical guarantee The core technology of the dissemination system between a plurality of server nodes of high-performance concurrent system cross-region distributed system (needing to support PULL, PUSH and intelligent distribution mode) STB exploitation
Charging mode In due order, monthly payment
Featured category Implementation Hire out the IPTV platform or cooperate with the third-party institution
With the TV competitive advantage Can carry out the VCR interactive operation, directly order from network and support the MPEG 2/MPEG 4 form programs of high-resolution to show individual character column, individual character content according to user habit
With the PC competitive advantage Easy to use, need not after the start to wait as long for and can use, automatically networking logs in, direct powered-down after finishing using.
With other IPTV competitive advantages Other IPTV producers can not support MPEG 4 high-resolution form programs
Technical guarantee Its technical guarantee is provided by broadcast system and VOD system,
Charging mode By the column monthly payment, from business income, give out money according to a certain proportion
Advertisement Implementation Hire out the IPTV platform or with advertisement operation mechanism
With the TV competitive advantage Can show the further Development of Interactive advertisement of personalized advertisement content according to user habit
With the PC competitive advantage User side adopts the hardware decoding technique, and advertisement and program are shorter switching time, and continuity is stronger.
With other IPTV competitive advantages Other IPTV producers do not support advertisement insertion and real-time advertisement insertion at present
Technical guarantee Perfect advertisement insertion system, support literal picture and video ads, need carry out real-time advertisement insertion
Charging mode Broadcast number of times, duration charge by advertisement.

Claims (10)

1, a kind of integration of three networks digital high-resolution TV system of Internet-based, comprise the digital high-definition television for media stream, it is characterized in that: also comprise STB, be connected with digital high-definition television, the Media Stream that reception is downloaded from the IP internet is exported to digital high-definition television through decoding and converting the Media Stream that can play to.
2, the integration of three networks digital high-resolution TV system of Internet-based according to claim 1 is characterized in that: also comprise remote controller, give described STB input instruction.
3, the integration of three networks digital high-resolution TV system of Internet-based according to claim 1, it is characterized in that: described STB comprises the digital TV decoding device, to the TV programme that provide via the IP internet broadcast of decoding.
4, the integration of three networks digital high-resolution TV system of Internet-based according to claim 1, it is characterized in that: described STB comprises MPEG4 digital TV decoding device or VOD video request program decoding device, to the broadcast of decoding of the MPEG4 that provides via the IP internet or VOD video request program Media Stream.
5, the integration of three networks digital high-resolution TV system of Internet-based according to claim 1 is characterized in that: described STB comprises browser or mail transmission/reception decoding device, and the internet information that provides via the IP internet is browsed.
6, the integration of three networks digital high-resolution TV system of Internet-based according to claim 1, it is characterized in that: described STB comprises the mail transmission/reception decoding device, provides mail service by the IP internet.
7, according to the integration of three networks digital high-resolution TV system of the described Internet-based of 3 to 6 arbitrary claims, it is characterized in that: described STB comprises that the mainboard that decoding chip and dominant frequency joining with it are 800-1200M forms.
8, the integration of three networks digital high-resolution TV system of Internet-based according to claim 1 is characterized in that, also comprises following assembly:
Tools for generation of the high-quality MPEG4 encoded product of the file that meets senior easy configuration MPEG-4 iso standard, are supported to filter and preset function;
Server, the unicast stream transmission of support media program request and the Multicast Flows transmission of media broadcast, multithread is redirected configuration and allows to set up neatly network management environment; Be in charge of a plurality of encoders and server component in the Internet Protocol Television head end, configuration, management and supervision head end for scalable deployed environment provides Redundancy Management, are carried out the network encryption function;
Encoder is used for catching live video and audio frequency, and these contents are encoded to the MPEG4 encoded product, then transmits the MPEG-4 content that produces by IP network with multicast or mode of unicast;
Middleware utilizes broadband network, integrates many technology such as internet, multimedia, communication, and the multiple interactive services that comprises DTV is provided to the user;
Player, the permission user is direct and broadcast medium is mutual.
9, the integration of three networks digital high-resolution TV system of Internet-based according to claim 8 is characterized in that, also comprises following assembly:
International standard calibration receiving terminal software/built-in browser has the still image function that distinctive TV shows anti-flashing function, supports basic I P network flow agreement.
10, the integration of three networks digital high-resolution TV system of Internet-based according to claim 9 is characterized in that, also comprises following assembly:
Network HDTV platform allows the user directly and the mutual program request of network HDTV platform.
CN 200610034044 2006-03-06 2006-03-06 Three-network integrated digital high-resolution TV system based on Internet Pending CN101035243A (en)

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