CN1319304A - Digital TV system with synchronized world web content - Google Patents

Digital TV system with synchronized world web content Download PDF

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Publication number
CN1319304A
CN1319304A CN99810266A CN99810266A CN1319304A CN 1319304 A CN1319304 A CN 1319304A CN 99810266 A CN99810266 A CN 99810266A CN 99810266 A CN99810266 A CN 99810266A CN 1319304 A CN1319304 A CN 1319304A
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CN
China
Prior art keywords
html
web page
mpeg data
bag
data bag
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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
CN99810266A
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Chinese (zh)
Inventor
茅为东
D·陈
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Liboleto Tech Morecom Inc
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Liboleto Tech Morecom Inc
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Publication date
Priority claimed from US09/124,572 external-priority patent/US6886178B1/en
Application filed by Liboleto Tech Morecom Inc filed Critical Liboleto Tech Morecom Inc
Publication of CN1319304A publication Critical patent/CN1319304A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4782—Web browsing, e.g. WebTV
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/23614—Multiplexing of additional data and video streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2365—Multiplexing of several video streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4348—Demultiplexing of additional data and video streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • 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
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/47815—Electronic shopping
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/854—Content authoring
    • H04N21/8545—Content authoring for generating interactive applications
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
    • H04N21/8586—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/165—Centralised control of user terminal ; Registering at central

Abstract

In a one way broadcast digital video network, Internet HTML Web page data is formatted to fit within a standard MPEG-2 data packet structure, and multiplexed along with other MPEG-2 digital video signals for transport within a multiple channel digital video system. In particular, the headend server broadcasts a rotating carousel comprising an ensemble of Web pages in HTML format. The rotating carousel contains both broadcast Web pages and simulcast Web pages and a control map permitting the viewer to navigate among the HTML Web pages of the rotating carousel. In particular, the control map contains the locations of the HTML Web pages in the rotating carousel that correspond to broadcast Web pages. The control map further contains the locations of the HTML Web pages in the rotating carousel that correspond to simulcast Web pages. The control map is updated and rebroadcast whenever there is a change at the start, middle or end of a broadcast video program, thereby synchronizing the simulcast Web pages to the multiple channel broadcast digital video programs.

Description

Digital television system with synchronous web content
Invention field
The present invention relates to the communications field, particularly relate to compiling of the upper radio and television in international interconnected WWW (World Wide Web) and interactive communication.
Background of invention
Broadcast TV program is connected to the internet, in the prior art existing the discussion. A kind of desirable feature is that broadcast program can switch back and forth with relevant the Internet address on the WWW. In this mode, passive radio and television become a kind of mutual media usually.
For accessing a relevant the Internet address content, the spectator presses the button on the remote controller or clicks indicator device on the screen-icon. The user can be switched between internet content and broadcasted content back and forth. The typical indicator device of user interface can be made of mouse, tracking ball, cursor button or similar device. In this mode, during broadcast program, the user can switch to another from a Internet address.
Internet content also can overlap on the broadcasted content. Web content is presented on the window and broadcasted content still shows (picture-in-picture). Perhaps, be laminated on the radio and television image such as transparent text etc. In this mode, the spectator watches broadcasting video and mutual internet content simultaneously.
Many television program designing persons (content provider) have had video channel and network address. Interested especially application is that their video channel is connected with their network address concerning these programmer. After implementing audio program with video channel and being connected to FM stereophonic broadcasting, sometimes will broadcast video and be connected to another media and be called " broadcasting simultaneously ".
In some news channel (such as wired News Network) situation, network address (http: ∥ www.cnn.com) represent and the alternant that is included in the same or similar content of cardinal principle in the broadcasting video channel. In the situation of other music or movie channel, network address represents replenishing the video channel content. Network address can be transmitted the classification style of the Pgmtime relevant with broadcast video content, adding advertisements and order goods. Therefore, music channel can be sold the laser disk of current music video selected works. Home shopping channel can provide the addition product information of relevant vending articles. In a word, his broadcasting audio-visual-materials can be replenished and describe in detail to programmer's network address.
It is interested especially to the people who advertises that a large amount of product details is provided, and its ability comprises the more details that relevant WKG working advertised product is provided. For example automotive advertising can comprise the icon that represents the automaker, clicks automaker's icon, and the arrive network address of manufacturer of spectator is to obtain product information.
Although about the purpose that connects radio and television and mutual access to the Internet is known the challenge on the realization of real system possesses skills. In general, for connecting radio and television vision signal and specific IP address, uniform resource locator (URL) is formatted to by broadcaster's (being programmer, advertiser or content supplier) and insert on the mark of broadcast television signal. When finding relevant internet information, the mark of insertion is determined this webpage and is identified URL. The needs of mark in the broadcast television signal, then require the universal standard of location usefulness and the form of adopted mark.
Provide other effort of internet addressing to comprise first at MPEG-2 DTV (TV) interconnected WWW, world HTML page or leaf is decoded as the video page or leaf, then this video page or leaf is encoded to the MPEG-2 form, again by the webpage of digital TV net broadcasting through the MPEG-2 form. The encoded video page or leaf is that MPEG-2 requires broadcast source to have one or more MPEG-2 encoder. The desired system that provides, it sends international interconnected web presence and does not need the mpeg encoded process in broadcast head end.
Whenever decoding during through the video web page of MPEG-2 coding, the HTML page or leaf is decoded as video then is MPEG-2, also mean in each spectator position to take the MPEG-2 decoder. Therefore in the prior art in order to watch simultaneously video and internet content, 2 MPEEG-2 decoders to be arranged on the spectator position. Expectation provides a kind of system, and it allows international interconnected web presence and MPEG-2 broadcasting video to be shown and does not need second MPEG-2 decoder.
In addition, the Internet connectivity General Requirements bi-directional data path. Return path is used for sending spectator's selection such as the order that mouse is clicked or keyed in. Current only have 15% cable television (CATV) system can be on wired path transmitted in both directions. Most of CATV system can only one-way transmission. Another selection of two-way Internet connectedness is to use public switched telephone network as the return path. But adopt public switched telephone network to require a telephone modem, and take the home telephone circuit. Be desirably in the online mutual access to the Internet of realization of one way CATV and do not need phone to connect.
Link the problem that also has a stand-by period in the internet address in broadcast video content. Before access the Internet, select icon to mean the long stand-by period, be connected with connection and then download desired HTML page or leaf because must set up access to the Internet. In other words, returned by two-way catv or phone before this, modem and ISP must set up access to the Internet, then must set up and being connected of want network address, and must download the HTML page or leaf after again.
Even when selecting icon, beholder two-way catv or phone returns and is connected to the internet, and the time that waiting for appears in the webpage of selecting is looked unacceptable. Waiting time produces owing to connecting and download the HTML page or leaf to the interconnected switching of network address at a distance from beholder family. Expectation does not need to set up access to the Internet, Internet connection and website, download and can realize mutual access to the Internet with fast response time from afar.
At last, be connected in the far-end the Internet address in broadcast video content and also have a traffic problem. If even the sub-fraction spectator of a large amount of promotional advertisings clicks advertiser's icon, so also can cause in advertiser's network address crowded in the phone connection request. In order to admit a large amount of requests, huge telephone wire capacity (and the computing capability of serving the HTML page or leaf) will be required at far-end on the internet. Final connection request amount will be squeezed most of network address traffic models that collapse (they design by average connection request amount (non-peak volume)). Also have, the simultaneously tendency of the peak volume of connection request is encouraged in being connected with of broadcasted content and internet content.
Expectation support a large amount of the time the access to the Internet request and the far-end internet address do not require excessive in phone connect.
Brief summary of the invention
According to the present invention, internet html web page data are formatted with suitable standard MPEG-2 packet structure, and multiplexed to transmit in the multi-channel digital video system with other MPEG-2 digital video signals. The HTML agreement is maintained and is transformed into the MPEG-2 transformat in this mode, causes the HTML in the MPEG video channel.
Especially, head end server broadcasting comprises the carousel memory (carousel) of the overall webpage of html format. Carousel memory includes broadcasting webpage and radio hookup webpage. The broadcasting webpage is all interested in all spectators. The content of the broadcast video program that comprises in radio hookup webpage and the digital video passage is relevant. Broadcasting simultaneously webpage mainly is to watch that the spectator of this relevant video frequency program is interesting. Can directly access html web page from carousel memory, perhaps, according to the memory space in the STB (settop), some or all HTML webpages can deposit in the cache memory in the STB partly in order to fast access.
For the spectator is navigated the HTML webpage of rotating disc type magnetic disc store (or from the machine STB cache memory), control change is broadcast in the MPEG-2 data flow. Control change is comprised of 3 class tables. The first table is the master control map table, and wherein the first table is determined the position of the second and the 3rd table. The first table is called HTML program association list or HPAT. The second and the 3rd table is called respectively HTML program map table (HPMT) and HTML Event Information Table (HEIT). HTML program map table comprises the position of html web page in the carousel memory, and it is equivalent to broadcast webpage. The HTML Event Information Table comprises the position of html web page in the carousel memory, and it is equivalent to broadcast simultaneously webpage. Each video channel all has a HTML Event Information Table (HEIT), HEIT to the major general's rotating disc type data tape storage one broadcast simultaneously webpage and be associated with this video channel.
Be same as the common way of MPEG-2 decoding, at first MPEG-2 decoder and MPEG-2 data flow synchronised in the STB. Then HTML program association list is sought and downloaded to STB, finds in the predetermined packet data of this table in the MPEG-2 data stream format. The machine box is used this HTML program association list and is sought, downloads and store other two table HPML and HEIT afterwards. First and second and three tables download and storage after, STB in response to spectator's order by the broadcasting webpage of the carousel memory of continuous rotation or broadcast simultaneously webpage and navigate. The broadcasting webpage
The broadcasting network address is all interested general network address of all spectators. Typical broadcasting network address comprises news, meteorology and physical culture, but also can be the interested any network address of many spectators. The spectator selects useful broadcasting network address from the shown menu of TV.
Be beholder such as http: the broadcasting network address of ∥ www.NYTimes.com, adopt HTML program map table as tracing table to find out corresponding to MPEG-2 packet in the MPEG-2 data flow of NYTimes webpage. Determine the position in the MPEG-2 data flow by bag identifier (PID), table identifier (table ID) and table identifier expansion (table ID ext). The carousel memory that STB monitor to rotate until specified MPEG-2 packet position occur, then will be in the MPEG-2 data flow these locational html web page data store in user's the STB and be presented on the video screen.
Homepage on NY Times.com is general to be shown and being connected of other webpages by specified URL. As the Internet navigation, the user click (or representing desired selection) shown with being connected of another web page. For finding out the html web page of connection, search the specified URL in the HTML program map table, this provides the position corresponding to desired html web page in the MPEG-2 packet in the specified UR dealer MPEG-2 data flow. Carousel memory comprises the webpage URL that all or great majority connect usually. As noted, the position in MPEG-2 data flow is determined by bag identifier (PID), table identifier (table ID) and table identifier expansion (table ID ext). STB monitors the carousel memory of rotating until specified MPEG-2 packet position occurs, and then will these locational html web page data be stored and show in the MPEG-2 data flow. Broadcast simultaneously webpage
Be beholder such as http: radio hookup network address in the time of ∥ www.toyota.com (during the Toyots commercial advertising), use the HTML Event Information Table of corresponding video channel as look-up table, to find out corresponding to the MPEG-2 packet in the MPEG-2 data flow of Toyota webpage. STB monitors the carousel memory of rotating until specified MPEG-2 packet occurs, and then its is stored and demonstration. The content synchronization of HTML Event Information Table is in broadcast video program.
When the broadcast video program of correspondence changed, although the change of available broadcasting webpage relatively frequent (by changing the content of HPMT), the radio hookup web-page change got comparatively frequent (by changing the content of HEIT) in the time of available.
Homepage on Toyota.com is general to be shown and being connected by other webpages of specified URL. As the broadcasting webpage, in suitable table, search and broadcast simultaneously in the webpage and being connected of other URL. In the situation of radio hookup, use HTML Event Information Table (HEIT) to find out the html web page that connects at the same time. Find the URL of appointment in the HEIT table, this provides the position corresponding to desired html web page in the MPEG-2 data flow of specified URL webpage. As noted before, the carousel memory that STB monitor to rotate is until PID, Table I D and the Table I D expansion of appointment occur in the MPEG-2 data flow, then stores and shows these locational html web page data in the MPEG-2 data flow.
The content of HTML Event Information Table is determined the connection between broadcast video program and the relevant network address. The broadcasting video can have the content of advertisement and/or amusement, and the video broadcast program content provider can be program making and/or advertiser. Event information and with the WWW on the relation of position be to obtain in the independent communication session on the broadcasting station being based upon on the internet, and downloading to each STB by the HTML Event Information Table subsequently. In the CATV situation, head end is communicated by letter with each broadcast video content supplier's single network address especially, obtains the relation between the network address corresponding in broadcast video program content and the carousel memory. This ground mark
In another embodiment of the present invention, for the event that can not be ranked in advance (being discharged in the predetermined event information table), by the programmer this ground mark is inserted in the vision signal that offers head end. This ground mark that inserts is inserted by the programmer, is received at the front end place during radio hookup connection when the programmer need to begin between its vision signal and the given html web page subsequently. In response to this ground mark, the HTML Event Information Table is produced, and downloads to STB.
Combine by the digital television transfer of MPEG-2 form and the webpage of html format, dynamically distribute bandwidth, in carousel memory, to hold required webpage number. The maximum wait time of the search webpage of wanting is that the time of going around is revolved in carousel memory.
Summary of drawings
Fig. 1 is the block diagram of implementing broadcast video system of the present invention.
Fig. 2 is the protocol stack that the embodiment of the HTML that formats in the MPEG-2 data flow is described.
Fig. 3 is that explanation is at the block diagram of MPEG-2 data flow up conversion html data method.
Fig. 4 is the block diagram of control change architecture of the present invention.
Fig. 5 is the local frame timing diagram that system is used in explanation navigation in the html web page that is formatted into the MPEG-2 data flow.
Fig. 6 is that explanation is used for the generation of HTML Event Information Table of the present invention and upgrades the timing diagram of broadcasting video, broadcasting html web page and broadcasting simultaneously the html web page Relations Among.
Fig. 7 is the block diagram of broadcasting webpage among the present invention when head end uses this ground mark to produce the HTML Event Information Table.
Fig. 8 is the block diagram of set top box decodes device of the present invention.
Describe in detail
The general picture of system of the present invention as shown in Figure 1. Broadcasting station 10 (being the cable headend of CATV in this case) sends web page by unidirectional digital video broadcast network (being hybrid fiber/ coax, HFC CATM net 34) to top box of digital machine 38 here. The spectator is by remote input units 36 demonstrations of controller top box 38 on local television receiver.
Although the preferred embodiment of CATV system is shown in the above, the present invention is suitable for any broadcast communication system, includes but not limited to traditional VHF and UHF, direct broadcasting satellite (DBS), multiple spot microwave compartment system (MMDS) etc. For example in the DBS situation, the broadcasting station is the satellite uplink center, and STB is the satellite receiver decoder.
Head end 10 comprises the satellite reception cut-parabolic antenna 44C that is coupled to analog receiver 11 and digit receiver 13, its descending satellite 44B signal of sending. Analog receiver 11 is coupled to comprehensive receiver code converter 20, and output is added to again division multiplexing device 14 of MPEG-2 through the signal of MPEG-2 coding. Digital receiver 13 is coupled to MPEG-2 encoder 12, and output is added to again division multiplexing device 14 of MPEG-2 through the signal of MPEG-2 coding. The MPEG-2 again output of division multiplexing device 14 is coupled to digital quadrature amplitude modulation (QAM) modulator/upconverter 18, sends digital video MPEG-2 data flow in hfc plant 34.
Head end 10 also comprises the acting server 22 that is coupled to internet dial-up accesss server 24, and is connected to the again computer 32 of division multiplexing device 14 of MPEG-2 via LAN connection or data/address bus 25. The MPEG-Z encoder is also linked network 25, provides the relevant information that receives this ground mark of analog video to computer 32. Similarly, comprehensive receiver code converter 20 is linked network 25, provides the relevant information that receives this ground mark of digital video to computer 32. The utilization of this ground mark of digital video that receives will illustrate below as another embodiment of the present invention.
Via internet 46 by with the communicating by letter of network server node 47 and head end 10, programmer 42 adds these systems. Typical programmer has the satellite uplink that is coupled to emitter 48 and connects antenna 44A. Encoder 50 provides from the numeral of video recorder 52 or video camera 54 or analog signal as the input to emitter 48. In addition, typical programmer 42 is from other signal source receiving down link signals (not shown) such as satellite, optical cable or microwave link etc. In order to be coordinated to broadcast simultaneously webpage by programmer 42 and to be connected the programming of connection, computer 56 is linked network server node 47 and head end 10 via internet 46.
In the operation, programmer 42 with web page address (its broadcasting 44A programming in the relevant communication session) on internet 46 via the webserver 47 or directly pass to head end 10, head end 10 is stored in HTTP acting server 22 and is broadcasted simultaneously webpage such as ABC inside channel 26 or Toyota advertisement 30. Except broadcasting simultaneously the webpage, head end 10 is stored broadcast webpage such as USA news in HTTP acting server 22.
According to the present invention, in case head end 10 has about broadcasting simultaneously and broadcast whole information needed of webpage, computer 32 just produces control change, html web page and the URL of the industrial standard transport layer of inserting the MPEG-2 agreement.
The protocol stack of the layering of HTML on MPEG-2 is described as shown in Figure 2. Ground is CATV system 208 (or other broadband broadcast mediums such as satellite etc.) aspect physical level. The articulamentum modulation scheme is QAM/QPSK (quadrature amplitude modulation/QPSK). It is standard MPEG-2 transport layer 204 on articulamentum 206. Data division 202 be MPEG-2 transmission be surrounded by the effect load, data carousel formula magnetic tape storage layer 201 comprises html data and control change. The timing diagram that is nested in Fig. 3 of each of protocol stack layer further specifies.
The MPEG-2 transport layer is comprised of bag identifier PID302 and transmission package 306. The content of transmission package 306 is parts of data division (202 in the protocol stack of Fig. 2). Data division (being the part of MPEG-2 agreement) is made of Table I D and Table I D expansion 304, and table pay(useful) load 308 is followed thereafter. The content of table pay(useful) load 308 is parts of data carousel formula magnetic tape storage (201 in the protocol stack of Fig. 3). Data carousel formula magnetic tape storage is loaded with html web page 310, URL and the control change 314 of this agreement.
Broadcasting and the pass of broadcasting simultaneously between each table of control change of webpage are tied up among Fig. 4 and illustrates. HPAT402 is the master control conversion of each control change, and wherein HPAT402 determines other two control change HPMT404 (to the broadcasting webpage) and HEIT406 (to broadcasting simultaneously webpage).
HPMT404 specifies a plurality of broadcasting webpages in the data tape memory that rotates, such as Yahoo408, USA news 410 and NY Times 412. Each appointed broadcasting webpage comprises other URL420 as the connection to other webpages.
HEIT406 specifies a plurality of webpages of broadcasting simultaneously in the data tape memory that rotates, such as ABC-homepage 414, current film homepage 416 and Toyota advertisement 418. Each appointed simultaneously radio hookup comprises other URL as the connection to other webpages.
Fig. 5 is illustrated as and finds the navigation in STB that desired webpage is provided by control change in the MPEG-2 data flow. Especially, in MPEG-2 data flow 510, there are desired broadcasting webpage HTML517 and the desired webpage HTML523 that broadcasts simultaneously.
For navigating to desired webpage HTML517, STB at first finds HPAT (at predetermined MPEG-2 position, for example PID=0*1f00) in step 512. Then store HPAT into STB in step 514. Use HPAT to determine HPMT and store fixed HPMT at step 516 STB. In response to broadcasting web-page requests 520, table looking up function 518 finds as determining that in the rotating disk magnetic tape storage of MPEG-2 data flow desired broadcasting html web page 517 required PID, Table I D and Table I D expand. Broadcasting HTML webpage 517 through determining is stored into STB and is shown in 530. System finds the maximum latency of given html web page to equal to make the rotating disk magnetic tape storage of the rotation of html web page to repeat the required time quantum of itself.
For simultaneously radio hookup, STB is determined required HEIT with depositing HPAT (step 514) with current channel number input 513. At this moment, HEIT1 is corresponding to relevant time radio hookup webpage with current channel number of watching. Then deposit fixed HEIT1 in STB in step 522. An every other HEIT who broadcasts simultaneously channel is done similarly to determine and storage.
In response to broadcasting simultaneously web-page requests 520, table is sought 524 and is found as determining that in the circulation dish magnetic tape storage of MPEG-2 data desired HTML1 webpage 523 required suitable PID, Table I D and the Table I D in the HEIT1 that has deposited that broadcast simultaneously expand. Fixed MTML is broadcasted webpage 523 simultaneously to be deposited STB in and is shown in 530.
Broadcast simultaneously the content of HTML1 webpage corresponding to the current channel of watching. It is inputs 515 that the current channel his-and-hers watches are sought step 524. Each broadcasts the HEIT that channel has a correspondence simultaneously.
Fig. 8 illustrates the block diagram be used to the set top box decodes device of realizing above-mentioned air navigation aid. STB 800 comprises tuner 804, and connection level ground connects digital qam demodulator 806, MPEG-2 demultiplexer 808 and MPEG-2 decoder 810. STB 800 also comprises for the microprocessor controller 814 of coordinating navigation activity with for Web-browser 816 programs that show html web page.
In running, digital television data stream 802 and remote signal 818 are input to STB tuner 800. In response to the remote control input, microprocessor controller 814 control tuners 804 are selected channel. Digital QAM demodulator 806 is converted to digit data stream with input signal and is added to demultiplexer (demultiplexer) 808. The bag choosing output control demultiplexer 808 of controller 814 is to predetermined MPEG-2 position (PID=0*1f00), and to select the first control table (HPAT), it is stored in the memory of microprocessor controller 801.
The control table HPAT that microprocessor controller 814 usefulness have been deposited determines the position of the second and the 3rd control table HPMT and HEIT in the MPEG-2 data flow, and sets bag choosing output control demultiplexer 808 to suitable MPEG-2 packet. Fixed HPMT and HEIT are deposited in the memory of microprocessor controller 814. The spectator is input to microprocessor controller 814 via remote control 818, shows desired broadcasting webpage or broadcasts simultaneously webpage.
For finding desired web page, microprocessor controller 814 is sought PID, Table I D and Table I D expansion in the control change of storage, and will wrap accordingly identifying information and select control line to deliver to MPEG-2 demultiplexer 808 by bag. MPEG-2 demultiplexer 808 waits until that always desired MPEG-2 packet arrives the data tape memory of the rotation of the html web page that is equivalent to the webpage of wanting, and then is relayed to Web-browser 816 with the desired web page that has received html format. MPEG-2 demultiplexer 808 selects other MPEG-2 packets that MPEG-2 digital video and audio frequency are offered STB MPEG-2 decoder 810. Data cache reservoir in the STB
Native system allows STB seldom or do not have a html web page of the magnetic tape storage that navigation is rotated in the situation of local storage. But HPAT and HEIT that preferably storage is downloaded in STB show to accelerate operation.
All or part of depositing in the STB local cache by the magnetic tape storage that will rotate can obtain the faster response time. When not having the local html web page storage in the STB, the maximum wait time of the search webpage of wanting is that the rotating disk magnetic tape storage is goed around the time. When whole webpage that local storage downloads from the rotating disk magnetic tape storage was arranged, the maximum wait time of searching for desired webpage was the access time of local cache.
Between two kinds of extreme cases that do not have storage and 100% storage rotating disk magnetic tape storage, exist multiple part storage to select. A kind of selection is the webpage of storing some up-to-date access with cache. If cache comprises desired webpage (choosing), then substitute the rotating disk magnetic tape storage with cache. If cache does not comprise desired webpage (losing), then find desired webpage with the rotating disk magnetic tape storage.
Then new web page deposits cache (remaining html format) in, the webpage that deposits in before replacing according to ultrahigh speed buffering stored logic. For example, new web page can replace the webpage of recent least referenced. No matter from the cache access or from the desired webpage of rotating disk magnetic tape storage demultiplexing, the present invention and Navigation Control conversion be in an identical manner running all. Cache is accelerated the speed of service in the STB, reduces the stand-by period of the choosing WWW of wanting.
Because selected web page has been html format after MPEG-2 data flow demultiplexing, does not need the decoder of second MPEG-2 so Web-browser 816 can produce web displaying. Thereby the present invention is as long as a MPEG-2 decoder 810 just can provide digital video and web page simultaneously.
Microprocessor controller 814 also with the decoder 810 of MPEG-2 and Web-browser 816 time output be combined in the combiner 812,812 pairs of televimonitor (not shown) of combiner provide various video to show output format 820. The general application that the video of combination shows comprises that picture-in-picture, screen are cut apart, transparent overlay etc. Attention can come display web page with any industrial standard Web-browser 816.
Application standard html format webpage allows MPEG-2 decoder 810 of 800 usefulness of STB to show simultaneously 812,820 digital TV and web pages in MPEG-2 numeral TV form.
Fig. 6 illustrates the transmission of control change and New model more.
The element of control change agreement is " event ". Each event has time started and the concluding time of broadcasting. In addition, each event has the refresh time of the refresh cycle of URL in the regulation event with a plurality of web pages that are connected with the event homepage (being determined by each URL) to have the event homepage for each event. Refresh cycle is to make the time interval of URL between changing during the event.
The content provider (programmer) provide the event table that will broadcast. Each event comprises the url list that begins with homepage. Event is submitted to the application server (computer) that is arranged in Fig. 1 head end 10 by the content provider. Event is stored in the event table of application server, this table with event with broadcast simultaneously the HTML webpage and be associated. Head end 10 is bundled to these data in a plurality of MPEG output packet flows and produces corresponding control change. STB 38 receives complete html data and control change and by content navigation.
As shown in Figure 6, program is made of a plurality of events. Event can be with time started and concluding time crossover. One or more event can be connected to specific broadcasting TV program.
Two class event/program are arranged:
1. broadcast event/program: relevant with all TV channels and have the event of unlimited duration to be called broadcast event. Although broadcast program of present embodiment explanation, a plurality of broadcast event that form a plurality of broadcast programs also are possible.
2. broadcast simultaneously event/program: the event relevant with specific T V program is the event of broadcasting simultaneously. The event of a plurality of crossovers forms simultaneously simulcast, the while simulcast that the present embodiment explanation is relevant with each video channel.
Among Fig. 6, the first while simulcast (HEIT 1) is made of event 1a heel event 1b. The event 1c that during event 1b and by 1b, comprises. Finish and be event 1d after some times at 1b. It is current making the control change that is stored in the STB. In each moment of event change control change, the control change of STB down loading updating. By upgrading the version number in the HPAT signal, the change to control change has occured in STB.
Thereby, to event 1a constantly 602, event 1b 604 is upgraded HEIT 1 constantly. Corresponding to beginning and the end of event 1c, also upgrade HEIT 1 in the moment 606 and 608. Last HEIT 1 612 and 614 is being updated constantly, and they are corresponding to beginning and the end of event 1d.
The flexible nature of event-based control mapped structure can be illustrated by the second while simulcast (HEIT 2) among Fig. 6. The second while simulcast consists of by beginning and end at event 2c event 2a before. Event 2b bridges between event 2a and the 2c, it start from event 2a during and end at event 2c during, event 2d follows after event 2c.
Thereby 2 couples of event 2a of HEIT 620 and 624 are being updated constantly, and event 2b 622 and 628 is being updated constantly, and event 2c 626 and 630 is being updated constantly. At last, 2 couples of event 2d of HEIT 632 and 634 are being updated constantly. The flexible nature of event arrangement means that when they were associated with the broadcast figure video content of constant variation, broadcasting simultaneously webpage can add and remove easily.
Each event is cycle time, and broadcast video program is connected on the html web page of determining during this event within this cycle, therefore by changing in time event, can constantly different HTML webpages be connected to broadcast video program in difference. By this way, html web page is synchronized with the content of broadcast video program.
The event that is synchronized with the program of unlimited duration is the broadcasting webpage. Broadcasting webpage illustrated in fig. 6 such as event 3a and 3b have the unlimited duration of possibility or at least relative long during in be stable. When stopping old network address when the new network address of adding or from the adjustment of broadcasting webpage, broadcast event changes really. Thereby the HPMT change, at the moment 616 beginning event 3a and 3b, again in the constantly broadcasting of 618 End Event 3a and 3b.
For event known but that can not be ranked in advance, use this ground mark, indicate that in being used in head end this ground mark is local, does not need generally to use on the meaning of simultaneously radio hookup beginning. Fig. 7 illustrates the processing of this ground mark.
Among Fig. 7, analog video signal is input to digital encoder. Its output is imported into again division multiplexing device 704. Digital decoder 704 also detects the mark (this ground mark) among the VBI (field blanking interval) of the input signal that receives. Mark decoder 706 detects the arrival of this ground mark, and head end server 708 produces html data and control change, is added to again division multiplexing device 704.
In running, content provider 42 sends event data (but not being with timing information) and this ground mark to head end among Fig. 1 10 before the simulcast at the same time by internet 46. This ground mark among the VBI of the analog video that receives provides timing information.
When detecting this ground mark among the analog video VBI that is receiving, server 708 (among Fig. 7) produces suitable control change, comprising new HEIT with the HPAT of the renewal of new version number. (server 708 of Fig. 7 is equivalent to the computer 32 of Fig. 1). In this mode, head end can be when changing radio hookup and do not need to be ranked in advance. The generation of control change and transmission
The event of the generation of control change and transmission and reality begins, event refreshes and event finishes synchronised. Its rule is the current state that control change correctly reflects life event. Set in advance broadcasting and the simultaneously configuration of simulcast. Therefore produce HPAT by predetermined profile in the head end 10 of Fig. 1. The generation of HPAT and transmission.
The HPAT parameter is periodically read in the configuration file from head end, consists of control change PID and programme information with the information of configuration file. The contained information of HPAT comprises each the predetermined PID of control change HPMT to broadcast program and a plurality of control change HEIT 1, HEIT 2 etc., each simultaneously simulcast a HEIT is arranged. Configuration file and the HPAT of broadcasting or while simulcast also determine program information (as deciding in the following table) such as program category or program ID.
In STB, detect any variation of HPAT configuration file, just automatically upgrade storage list wherein. Send new HPAT, version number increases 1. STB detects the increase of version number, and the variation of HPAT reflects actual change in the position of other control changes. After for example the PID of HPMT changes among the HPAT, after sending new HPAT, just transmit control change HPMT with new PID immediately. The generation of HPMT/HEIT and transmission.
The parameter of HPMT/HEIT is led from event/stream attribute, whenever event creates, when refreshing or cancelling parameter is updated. In addition, parameter is broadcasted continuously in the low bandwidth channel.
A broadcast program only has a HPMT, and each broadcast program is loaded with a plurality of data flow, and as indicated among the control change HPMT, each data flow is carried single PID. Realize the generation of Table I D and/or Table I D expansion on each PID basis, the event that is fit to the band event type (determining such as following table) of broadcasting is controlled by HPAT.
A plurality of while simulcasts there are many HEIT. Simulcast only need a HEIT simultaneously to a TV channel. The program id field is identified each simultaneously simulcast. Each while simulcast carries a plurality of events, and event is related by event type in the event attribute and the identification of program id field with the while simulcast. Carry single ID such as specified each event among the control change HPMT. Realize the generation of Table I D and/or Table I D expansion on each PID basis.
If event or data flow are refreshed, then will in event attribute, obtain reflection in the refresh time field, this determines in following table. To refresh at every turn, new control change is updated and sends. Event/data flow in the control change/URL
Following rule is applicable to event/stream description in the control change. Each URL is to whole webpage. The page or leaf in file be not separated into URL, but the part of page data and by agency in heading file, describe, the 1st URL in the stream/event is the homepage URL of specific stream/event. As adopt the hash table method, and then it will be applicable on each event/stream basis, and in each event/stream, the order of URL does not become problem.
If event type is indicated broadcast type and homepage, this event is a page so, and this is the homepage of broadcast program. This event will be written in the 1st stream of HPMT, and in each event/stream (PID), Table I D expansion distributes the URL that always passes through in event/stream to show since 0 and increases.
Agreement of the present invention is done to determine in detail by following six tables. Put it briefly, below each table grammer is proposed, whereby, HPAT, HPMT and the conversion of HEIT formation control are navigated in the webpage of the HTML of carousel memory. This six table is:
Table 1: data segment
Table 2: event/stream attribute
Table 3:HPAT
Table 4:HPMT
Table 5:HEIT
The structure of table 6:URL descriptor table 1 data segment
Grammer The position Value
Data_section() {     table_id     section_syntax_indicator     private_indicator     reserved     private_section_length     table_id_extension     reserved     version_number     current_next_indicator     section number     last_section_number     for                  (I=0；  i<private_section_length-9； i++)     {     HTML                   or  IP_datagram_byte     }     CRC_32 }  8  1  1  2  12  16  2  5  1  8  88  32 User's definition " 1 " user definition " 11 " section definition user definition " 11 " user defines the several sections maintenances that user's definition phase keeps section to keep
PID:PID (bag identifier) is 13 bag ID. Be used for being identified in the stream at MPEG-2 transmission covering place.
Pid value Describe
0×0000 program_association_section
0×0001 CA section
0 * 0002 to 0 * 000F ISO keeps
0 * 0010 to 0 * 001F The DVB definition
0 * 0020 to 0 * 1FFE The user defines (MoreCom)
0×1FFF Empty bag
Table id field is 8 bit fields, identifies the type of used field.
The value of following table_id is specified at the moment.
The Table_id value Describe
0×00 program_association_section
0×01 CA_section
0×02 program_map_section
0×03-0×3F ISO keeps
0×40-0×7F The DVB definition
0×80-0×fe The user defines (MoreCom)
0×FF Forbidding
Descriptor flag
Table_id value Description
0 * 00 to 0 * 3F The ISO definition
0 * 40 to 0 * 7F The DVB definition
0 * 80 to 0 * FE The user defines (MoreCom)
0×FF Forbidding
The definition of table 2 event/stream attribute
Field Data type The des Comment
Event id  int32 Server By the unique ID of head end server to each event generation. In case arrival event finish time, this event id can be reused. At each constantly, event id is unique all events that reach of striding to all video channels of every head end.
Order ID  int8 Server " 0 " new events " 1 " refreshes the existing event of existing event " 2 " cancellation
Event type int8 The supplier " 0 " is to broadcasting all programs. In this case, program ID is broadcast data program ID. (default equal 0) " 1 " radio hookup (based on unmarked) when being ranked in advance event.
" 2 " are the broadcasting based on mark, but will wait for the excitation of head end or STB. (this is the least-significant byte i type that is transmitted by the Service Manager) " 3 " are broadcasting homepage event.
Supplier ID int16 Server Submission according to supplier's (" CNN ") name. The server of each head end is specified the unique supplier ID of every head end
Program ID int16 Server Submission according to supplier's " CNN-fn " TV program names. Broadcast at the same time occasion, the server of each head end is to event designated program number (program ID). If this field is then set and is 0 as default broadcast program in event type=0.
Time started time_t The supplier By the time started of supplier's allocate event.
Duration int32 Server Incident duration take second as unit.
Update time time_t Server The refresh time that refreshes at last. This shows the load time from the current content of internet. This is the unique field that is added and upgraded by the multi-door Case Manager of MoreGate.
Turnover rate int32 The supplier The refresh cycle of the content take second as unit. It is equally matched with server to satisfy this target.
The Url counting int16 The supplier The counting of URL in this event. In an event, allow altogether 64K URL. In addition, defining the 1st URL is the event homepage.
The Url name char ** The supplier Determine a plurality of character strings of URL table in the pointed event, current, each URL name be less than 255 bytes and/0 termination.
Structure * url: file { url filename wchar * Server Determine the character string of the file relevant with each URL in the pointed event. This is the part of array of structures. Once conforming between URL and the filename just has one.
Url file size } int32 Server The scale of url file. This is an one of array of structures, and this shows the scale of url file.
Annotate:
1. for unique broadcast program and have any new event request of new program ID, produce and upgrade single HTML program associative list. Each MPTS only has a HTML program associative list, and program map table (broadcasting) or the Event Information Table (simultaneously radio hookup) of the HTML of all data programs and its correspondence is described.
2. the default bag ID that is loaded with HTML program associative list is defined as 0 * IF00.
3. load each HTML program map table (to the broadcasting of html web page) and each HTML Event Information Table (radio hookup in to html web page) at bag ID, this stipulates in HTML program associative list. In addition, HTML program associative list shows that program category is connected with channel. The structure of table 3 HTML program adapter section
Grammer The position Value
HTML_Program_Association_Sectio n() {     tableID     section_syntax_indicator     ″0″     reserved     section_length     transport_stream_ID     reserved     version_number     current_next_indicator     section_number     last_section_number     for               (I=0； i<number_of program；i++)     {     programType     providerID     programID     HPMT_PID(HEIT_PID)     }     CRC_32 }  8  1  1  2  12  16  2  5  1  8  88  16  16  16  32 User's definition (a) user definition (a) user definition (a) user definition (s) section that " 0 * F0 " " 1 " " 11 " section of MoreCom definition keeps user's definition (s) " 11 " user definition (s) " 1 " section to keep section to keep keeps
Annotate: except showing below, have with the field format of Moving Picture Experts Group-2 same name name the definition identical with Moving Picture Experts Group-2 arranged. Except the MPEG-2 of standard, the below proposes to implement name of the present invention:
1.table ID (Table I D): to HTML program associative list default value 0 * F00.
(2.transport_stream_ID MPTS ID): a MPTS is used arbitrarily. The MPEG-2 transmission of every 6MHz has different transport_stream_ID values.
(3.version_number version number): since 0, whenever with new or different program updating version just increase by 1.
4.program Type (program category): to broadcasting with 0. To broadcasting with 1 simultaneously. Determined by event attribute.
5.provider ID (supplier ID): with being same as event attribute.
6.program ID (program ID): with (to broadcast setting 0, video frequency program number being set in simultaneously radio hookup) that be same as event attribute.
7.HPAT_PID (HEIT_PID): corresponding HTML program map table (HPMT) or the bag ID of HTML Event Information Table (HEIT).
8. to the program category in the HTML program associative list=broadcasting, use relevant program map table, broadcast program is comprised of a plurality of streams. (each stream is defined as the event of unlimited duration).
9. the bag ID that is loaded with HTML program map table or HTML Event Information Table is defined in the HTML program associative list.
The structure of table 4 HTML degree transforming section
Grammer The position Value
HTML Program_Map_section() {     tableID     section_syntax_indicacor     ″0″     reserved     section_length     programID     reserved     version_number     current_next_indicator     section_number     last_section_number     for        (i=0； i<number_of_stream；i++)     {     streamID     streamType     streamPID     startTime     duration     runningStatus     refreshTime     refreshRate     url_descriptor ()     }     CRC_32 }  8  1  1  2  12  16  2  5  1  8  832  8  16  time_t  32  8  time_t  32  descriptor  _length*8+  24  32 " 0 * F1 " " 1 " " 11 " section of MoreCom definition keeps user's definition (a) " 11 " user definition (s) " 1 " section to keep user's definition (a) user definition (a) user definition (a) user definition (a) user definition (a) user definition (s) user definition (a) user definition (a) user definition (a, s) section of segment protect to keep
Annotate:
1.table ID (Table I D): to HTML program map table default value 0 * 1F00
2.program ID (program ID): be same as in the stream attribute defined. When broadcasting, the broadcast program of each channel is always established 0.
(3.version_number version number): since 0, increase by 1 whenever having to be added at (1) stream when (2) stream is updated the version of the renewal that (3) stream is cancelled.
4.stream ID (stream ID): be same as in the broadcasting stream attribute defined.
5.stream Type (stream type): be same as defined in the broadcasting stream attribute. To broadcasting as 0. To will being 3 as the homepage of l streaming.
6.stream PID (stream PID): be same as defined in the stream attribute. Each stream has different bag ID.
7.start Time (time started): be same as defined in the stream attribute.
(8.duration duration): be same as defined in the stream attribute.
9.running Status (running time): set " 1 " and be operation, " 0 " is not for moving. Determined by streaming server.
10.refresh Time (refresh time); Be same as and stipulate in the stream attribute.
11.refresh Rate ((refresh rate): be same as and stipulate in the stream attribute.
(12.url_descriptor url descriptor); Be decided by to use and streaming server (referring to the URL descriptor of definition in the following table 6).
13. to the program category in the HTML program associative list=simultaneously radio hookup, use relevant Event Information Table. Broadcast simultaneously by a plurality of events and form, simulcast is relevant with each video channel (program ID) simultaneously for each.
14. being loaded with the bag ID of HTML program map table or HTML Event Information Table is defined in the HTML program associative list. The structure of table 5 HTML event information section
Grammer The position Value
HTML_Event_Information_Section( } }     tableID     section_syntax_indicator     ″0″     reserved     section_length     programID     reserved     version_number     current_next_indicator     section_number     lasr_sectior_number     for         (i=0； i<number of_event；i++)     {     eventID     eventType     eventPID     startTime     duration     runningStatus     refreshTime     refreshRate     url_descriptor()     }     CRC_32 }  8  1  1  2  12  16  2  5  1  8  832  8  16  time_t  32  8  time_t  32  descriptor  _length*8+  24  32 User's definition (a) user definition (a) user definition (a) user definition (a) user definition (a) user definition (s) user definition (a) user definition (a) user definition (a, s) section that " 0 * F2 " " 1 " " 11 " section of Morecom definition keeps user's definition (a) " 11 " user definition (s) " 1 " section to keep section to keep keeps
Annotate:
1.table ID (Table I D): to HTML Event Information Table default value 0 * F2.
(2.programID program ID): be same as the definition in the stream attribute. Broadcast at the same time occasion, always set relevant video frequency program number.
(3.version_unmber version number): since 0, increase by 1 whenever having to be added in (1) event when (2) event is refreshed the version of the renewal that (3) event is cancelled.
4.event ID (event id): with defining in the event attribute.
5.event Type (event type): with stipulating in the event attribute. Radio hookup is 1 in the time of to rule, to time radio hookup is 2 based on mark, requires the mark by main URL in the STB receiving belt, or by server excitation (such as usage flag, then time started and duration ignore).
6.event ID (event id): with stipulating in the event attribute. Each event has different bag ID.
7.start Time (time started): with stipulating in the event attribute.
(8.duration duration): with stipulating in the event attribute.
9.running Status (running status): set " 1 " and be operation, " 0 " is not for moving. Determine with streaming server.
10.refresh Time (refresh time): with stipulating in the event attribute.
11.refresh Rate (refresh rate): with stipulating in the event attribute.
12.url_descriptor: the structure that is decided by application and streaming server (seeing definition URL descriptor in the following table 6) table 6 URL descriptor
Grammer The position Value
URL_descriptor() {     descriptor_tag     descriptor_length     urlCount     for(j=o；j<urlCount；j++){     urlName     urlTableID     urlTableIDext     } } 8 16 16 variablees 8 16 User's definition (s) user definition (a) user definition (a) user definition (s) user definition (s) of MoreCom definition
Annotate:
(1.descriptor_tag descriptor flag): url_descriptor default value 0XEE.
(2.descriptor_length descriptor length): be decided by to follow total bytes in the descriptor after the descriptor_tag field. This can be used to skip stream/event.
3.url Count (url counting): stipulate in cocurrent flow/event attribute.
4.url Name (url name): definition in cocurrent flow/event attribute (finishing the variable-length character string with/0). The 1st URL is the inside of event/stream always.
5.url Table ID (url Table I D): specified by streaming server. In bag ID, be unique.
6.url Table ID ext (url Table I D expansion): specified by streaming server. In bag ID, be unique.

Claims (46)

1. in the One-to-All Broadcast communication network that is included in the broadcast medium broadcasting station that sends and the set top box decodes device that is coupled to described broadcast medium, a kind of method of distributing web page at described One-to-All Broadcast communication network, described broadcasting station comprises that internet accessing server is used to search for the web page of html format, described broadcast communication network also comprises the multi-channel digital TV signal that is formatted into a plurality of mpeg data bags, and each of described a plurality of MPEG packets is identified by bag identifier separately; It is characterized in that described method comprises the steps:
On described broadcasting station, with html format storage web page, form the html web page of a plurality of storages;
Described a plurality of html web pages that are stored in are formatted into the mpeg data bag, keep simultaneously described html format;
On described One-to-All Broadcast communication network, described mpeg data bag is sent with digital television signal;
The place receives described mpeg data bag at described set top box decodes device, and described mpeg data bag comprises a plurality of HTML webpages; And
At least select one in a plurality of html web pages that receive of described html format to be used for showing at described set top box decodes device place.
2. network method as claimed in claim 1 is characterized in that, further comprises:
Produce control change, be used for determining the uniformity between each identifiers of HTML webpage of the bag identifier of described mpeg data bag and described a plurality of storages;
The html web page of described control change and described a plurality of storages is formatted into the mpeg data bag, keeps simultaneously described html format;
The place receives described mpeg data bag at described set top box decodes device, and described mpeg data bag comprises described a plurality of html web page and described control change; And
In response to described control change, select at least one in a plurality of html web pages of described html format to be used for showing at described set top box decodes device place.
3. network method as claimed in claim 2 is characterized in that, described control change further comprises the first table and the second table, and described method further comprises:
Send described the first table with the mpeg data bag that meets predetermined bag identifier; With
Send described the second table with the mpeg data bag with bag identifier of regulation in described the first table.
4. network method as claimed in claim 3 is characterized in that, further comprises:
Receive described the first table with the mpeg data bag that meets predetermined bag identifier;
Receive described the second table with the mpeg data bag with bag identifier of regulation in described the first table; And
In response to described the second table, select at least one in described a plurality of HTML webpages of described html format to be used for showing at set top box decodes device place.
5. transmitter method, be used for the One-to-All Broadcast communication network, described broadcast communication network is included in the broadcasting station that sends on the broadcast medium and is coupled to the set top box decodes device of described broadcast medium, described broadcasting station comprises that internet accessing server is used to search for the web page of html format, described broadcast communication also comprises and is formatted into a plurality of channel digital television signals of a plurality of mpeg data bags, each of described a plurality of mpeg data bags is identified by bag identifier separately, described transmitter method is used for distributing web page at described One-to-All Broadcast communication network, it is characterized in that described transmitter method comprises the steps:
At the web page of described broadcasting station storage html format, form the html web page of each storage;
The html web page of described a plurality of storages is formatted into the mpeg data bag, keeps simultaneously described html format; And
On described One-to-All Broadcast communication network, send described mpeg data bag with digital television signal.
6. transmitter method as claimed in claim 5 is characterized in that, further comprises:
Produce control change, be used for determining the uniformity between each identifiers of HTML webpage of the bag identifier of described mpeg data bag and described a plurality of storages; With
The html web page of described control change and described a plurality of storages is formatted as the mpeg data bag, keeps simultaneously described html format.
7. transmitter method as claimed in claim 6 is characterized in that, described control change further comprises the first table and the second table, and described method further comprises:
Send described the first table with the mpeg data bag that meets predetermined bag identifier; With
Send described the second table with the mpeg data bag with bag identifier of regulation in described the first table.
8. set top box decodes device method, be used for the One-to-All Broadcast communication network, described broadcast communication network is included in the broadcasting station that sends on the broadcast medium and is coupled to the set top box decodes device of described broadcast medium, described broadcasting station comprises that internet accessing server is used to search for the web page of html format, described broadcast communication network also comprises a plurality of channel digital television signals that are formatted into a plurality of mpeg data bags, each of described a plurality of mpeg data bags is identified by bag identifier separately, described broadcasting station is included in the web page of described broadcasting station place's storage html format, form the html web page of a plurality of storages, the html web page of described a plurality of storages is formatted into the MPEG packet keeps simultaneously described html format, and on described One-to-All Broadcast communication network, launch described MLEG packet with described digital television signal; It is characterized in that described set top box decodes device method comprises:
The place receives described mpeg data bag at described set top box decodes device, and described mpeg data bag comprises described a plurality of html web page; With
At least select one in a plurality of html web pages of the described html format that receives to be used for showing at described set top box decodes device place.
9. set top box decodes device method as claimed in claim 8, it is characterized in that, described broadcasting station comprises generation one control change, be used for to determine the uniformity between each identifiers of html web page of the bag identifier of described mpeg data bag and described a plurality of storages, and the html web page of described control change and described a plurality of storages is formatted into the mpeg data bag keeps simultaneously described html format; Described set top box decodes device method further comprises:
Receive described a plurality of mpeg data bag at described set top box decodes device place, described mpeg data bag comprises described a plurality of html web page and described control change; With
In response to described control change, select at least one in a plurality of html web pages of described html format to be used for showing at described set top box decodes device place.
10. set top box decodes device method as claimed in claim 9, it is characterized in that, described control change further comprises the first table and the second table, described broadcasting station comprises meeting the predetermined mpeg data bag that wraps identifier and sends described the first table, and send described the second table with the mpeg data bag of bag identifier with regulation in described the first table, described set top box decodes device method also comprises:
Receive described the first table with the mpeg data bag that meets predetermined bag identifier;
Receive described the second table with the mpeg data bag with bag identifier of stipulating at described the first table; And
In response to described the second table, select at least one in a plurality of html web pages of described html format to be used for showing at set top box decodes device place.
11. in the One-to-All Broadcast communication network that is included in the broadcast medium broadcasting station that sends and the set top box decodes device that is coupled to described broadcast medium, a kind of method of on described One-to-All Broadcast communication network, broadcasting simultaneously described web page, described broadcasting station comprises that internet accessing server is used to search for the web page of html format, described broadcast communication network also comprises the multichannel digital television signal that is formatted into a plurality of mpeg data bags, and each of described each mpeg data bag is identified by bag identifier separately; It is characterized in that described while simulcast method comprises:
At the web page of described broadcasting station place's storage html format, form the html web page of a plurality of storages;
Store the event table of a corresponding relation at least one channel and described html format WWW in the described multichannel digital television signal;
Described event table is formatted as control change, be used for determines the uniformity between each identifiers of html web page of the bag identifier of described mpeg data bag and described a plurality of storages;
The html web page of described control change and described a plurality of storages is formatted as the mpeg data bag keeps simultaneously described html format;
On described One-to-All Broadcast communication network, send described mpeg data bag with described digital television signal;
Receive described a plurality of mpeg data bag at described set top box decodes device place, comprise described a plurality of html web page and described control change; And
In response in described control change and the described multichannel digital television signal at least one, select in the html web page of a plurality of html formats corresponding one to be used for showing at set top box decodes device place.
12. while simulcast method as claimed in claim 11 is characterized in that, described control change further comprises the first table and the second table, and described network method further comprises:
Send described the first table with the mpeg data bag that meets predetermined bag identifier; With
Send described the second table to have the described first mpeg data bag of showing the bag identifier of regulation.
13. while simulcast method as claimed in claim 12 is characterized in that, further comprises:
Receive described the first table with the mpeg data bag that meets predetermined bag identifier;
Receive described the second table to have the described first mpeg data bag of showing the bag identifier of regulation; And
In response to described the second table, select at least one in the html web page of a plurality of html formats to be used for showing at described set top box decodes device place.
14. while simulcast method as claimed in claim 13 is characterized in that, changes in response to detecting in described the first table, implements to receive the step of described the second table, upgrades the second table.
15. while simulcast method as claimed in claim 11 is characterized in that; The step of storing the event table of the corresponding relation of one page at least one channel and described html format web page in the described multichannel digital television signal comprises, the place uses described internet accessing server in described broadcasting station, the relation in the described multichannel digital television signal of internet acquisition between corresponding one page of a channel and described web page.
16. while simulcast method as claimed in claim 11 is characterized in that, described broadcasting station further comprises a plurality of TV programme signals of reception, and at least one comprises this issue of bidding documents note in described a plurality of TV programme signals, and described while simulcast method comprises:
The place uses described internet accessing server in described broadcasting station, the relation in the described multichannel digital television signal of internet acquisition between corresponding one page of a channel and described web page;
One at described a plurality of TV programme signals is detected described issue of bidding documents note; And
In response to this ground mark of described detection, store the event table of described multichannel digital television signal relation of corresponding one page at least one channel and described html format web page.
17. transmitter method, be used for the One-to-All Broadcast communication network, described broadcast communication network is included in the broadcasting station that sends on the broadcast medium and is coupled to the set top box decodes device of described broadcast medium, described broadcasting station comprises that internet accessing server is used to search for the web page of html format, described broadcast communication network also comprises the multichannel digital television signal that is formatted into a plurality of mpeg data bags, each of described a plurality of mpeg data bags is identified by bag identifier separately, described transmitter method is used for distributing web page at described One-to-All Broadcast communication network, it is characterized in that described transmitter method comprises the steps:
At the web page of described broadcasting station storage html format, form the html web page of a plurality of storages;
Store the corresponding one page relation of the web page of at least one channel and described html format in the described multi-channel digital TV signal event table;
Described event table is formatted into control change, is used for determining the uniformity of each identifier of the html web page of the bag identifier of described mpeg data bag and described storage;
The html web page of described control change and described a plurality of storages is formatted into the mpeg data bag, keeps simultaneously html format; And
On described One-to-All Broadcast communication network, send described mpeg data bag with described digital television signal.
18. transmitter method as claimed in claim 17 is characterized in that, described control change further comprises the first table and the second table, and described transmitter method further comprises:
Send the first table with the mpeg data bag that meets predetermined bag identifier; With
Send described the second table with the mpeg data bag with bag identifier of regulation in described the first table.
19. while simulcast method as claimed in claim 17, it is characterized in that, in the described multi-channel digital TV signal of described storage at least one channel and the described html format web page step of the event table of one page of corresponding relation comprise, the place uses described internet accessing server in described broadcasting station, obtains the relation between one page corresponding in channel and the described web page in the described multichannel digital television signal in the internet.
20. simulcast method as claimed in claim 17 is characterized in that, described broadcasting station further comprises a plurality of TV programme signals of reception, and at least one comprises this ground mark in a plurality of TV programme signals, and described while simulcast method comprises:
Relation between the channel of place's use described internet accessing server in described broadcasting station in the described a plurality of digital television signals of internet acquisition one page corresponding with described web page;
One in described a plurality of TV programme signals is detected described ground mark; And
In response to detecting described ground mark, store the event table of the relation of corresponding one page in the web page of at least one channel and described html format in the described multichannel digital television signal.
21. set top box decodes device method, be used for the One-to-All Broadcast communication network, described broadcast communication network is included in the broadcasting station that sends on the broadcast medium and is coupled to the set top box decodes device of described broadcast medium, described broadcasting station comprises that internet accessing server is used to search for the web page of html format, described broadcast communication network also comprises the multichannel digital television signal that is formatted into a plurality of mpeg data bags, each of described a plurality of mpeg data bags is identified by bag identifier separately, described broadcasting station is included in the web page of described broadcasting station place's storage html format, form the html web page of a plurality of storages, store the event table of the relation of corresponding one page in the web page of at least one channel and described html format in the described multichannel digital television signal, described event table is formatted into control change, be used for to determine the uniformity of each identifier of html web page of the bag identifier of described mpeg data bag and described a plurality of storages, the html web page of described control change and described a plurality of storages is formatted into the MPEG packet keeps simultaneously described html format, and on described One-to-All Broadcast communication network, send described mpeg data bag with described digital television signal, it is characterized in that described set top box decodes device method comprises:
Receive described a plurality of MPEG digital packets at described set top box decodes device place, comprise described a plurality of html web page and described control change; And
In response at least one channel in described control change and the described multichannel digital television signal, select in the html web page of described a plurality of html formats corresponding one to be used for showing at described set top box decodes device place.
22. set top box decodes device method as claimed in claim 21, it is characterized in that, described control change further comprises the first table and the second table, described broadcasting station comprises meeting MPEG digital packets transmission first table of predetermined bag identifier, and send described the second table with the MPEG digital packets of bag identifier with regulation in described the first table, described set top box decodes device method further comprises:
Receive institute's the first table with the described MPEG digital packets that meets predetermined bag identifier;
Receive described the second table to have the described first described MPEG digital packets of showing the bag identifier of regulation; And
In response to described the second table, select in a plurality of html web pages of described html format at least one page is used for showing at described set top box decodes device place.
23. set top box decodes device method as claimed in claim 22 is characterized in that, in response to the variation that detects in described the first table, implements to receive the step of described the second table, upgrades the second table.
24. in the One-to-All Broadcast communication network that is included in the broadcast medium broadcasting station that sends and the set top box decodes device that is coupled to described broadcast medium, described broadcasting station comprises that internet accessing server is used to search for the web page of html format, a kind of device that distributes web page at described One-to-All Broadcast communication network, described broadcast communication network also comprises the multi-channel digital TV signal that is formatted into a plurality of mpeg data bags, and each of described a plurality of mpeg data bags is identified by bag identifier separately; It is characterized in that described device comprises:
Be used on described broadcasting station, storing web page with html format, form the device of the html web page of a plurality of storages;
Be used for described a plurality of html web pages that are stored in are formatted into the mpeg data bag, keep simultaneously the device of described HTML form;
Be used on described One-to-All Broadcast communication network the device of described mpeg data bag with the digital television signal transmission;
Be used for receiving at described set top box decodes device place the device of described mpeg data bag, described mpeg data bag comprises a plurality of html web pages; And
A device that is used for demonstration for a plurality of html web pages that receive that select at least described html format at described set top box decodes device place.
25. network equipment as claimed in claim 24 is characterized in that, further comprises:
For generation of control change, with the conforming device between each identifier of the html web page of the bag identifier of determining described mpeg data bag and described a plurality of storages;
Be used for the html web page of described control change and described a plurality of storages is formatted into the mpeg data bag, keep simultaneously the device of described html format;
Be used for receiving at described set top box decodes device place the device of described mpeg data bag, described mpeg data bag comprises described a plurality of html web page and described control change; And
Be used in response to described control change, select at least in a plurality of html web pages of described html format one to be used for the device that shows at described set top box decodes device place.
26. network equipment as claimed in claim 25 is characterized in that, described control change further comprises the first table and the second table, and described device further comprises:
Be used for sending with the mpeg data bag that meets predetermined bag identifier the device of described the first table; With
Be used for sending with the mpeg data bag with bag identifier of stipulating at described the first table the device of described the second table.
27. network equipment as claimed in claim 26 is characterized in that, further comprises:
Be used for receiving described the first meter apparatus with the mpeg data bag that meets predetermined bag identifier;
Be used for receiving with the mpeg data bag with bag identifier of stipulating at described the first table the device of described the second table; And
Be used in response to described the second table, select at least in described a plurality of html web pages of described html format one to be used for the device that shows at set top box decodes device place.
28. transmitter installation, be used for the One-to-All Broadcast communication network, described broadcast communication network is included in the broadcasting station that sends on the broadcast medium and is coupled to the set top box decodes device of described broadcast medium, described broadcasting station comprises that internet accessing server is used to search for the web page of html format, described broadcast communication network also comprises a plurality of channel digital television signals that are formatted into a plurality of mpeg data bags, each of described a plurality of mpeg data bags is identified by bag identifier separately, described transmitter installation is used for distributing web page at described One-to-All Broadcast communication network, it is characterized in that described transmitter installation comprises:
Be used for the web page at described broadcasting station storage html format, form the device of the html web page of a plurality of storages;
Be used for the html web page of described a plurality of storages is formatted into the mpeg data bag, keep simultaneously the device of described HTML form; And
Be used on described One-to-All Broadcast communication network, sending with digital television signal the device of described mpeg data bag.
29. transmitter installation as claimed in claim 28 is characterized in that, further comprises:
For generation of control change, with the conforming device between each identifier of the html web page of the bag identifier of determining described mpeg data bag and described a plurality of storages; With
Be used for the html web page of described control change and described a plurality of storages is formatted as the mpeg data bag, keep simultaneously the device of described html format.
30. transmitter installation as claimed in claim 29 is characterized in that, described control change further comprises the first table and the second table, and described device further comprises:
Be used for sending with the mpeg data bag that meets predetermined bag identifier the device of described the first table; With
Be used for sending with the mpeg data bag with bag identifier of stipulating at described the first table the device of described the second table.
31. set top box decodes apparatus, be used for the One-to-All Broadcast communication network, described broadcast communication network is included in the broadcasting station that sends on the broadcast medium and is coupled to the set top box decodes device of described broadcast medium, described broadcasting station comprises that internet accessing server is used to search for the web page of html format, described broadcast communication network also comprises a plurality of channel digital television signals that are formatted into a plurality of mpeg data bags, each of described a plurality of mpeg data bags is identified by bag identifier separately, described broadcasting station is included in the web page of described broadcasting station place's storage html format, form the html web page of a plurality of storages, the html web page of described a plurality of storages is formatted into the mpeg data bag keeps simultaneously described html format, and on described One-to-All Broadcast communication network, launch described mpeg data bag with described digital television signal; It is characterized in that described set top box decodes apparatus comprises:
Be used for receiving at described set top box decodes device place the device of described mpeg data bag, described mpeg data bag comprises described a plurality of html web page; With
A device that is used for demonstration for a plurality of html web pages that select at least the described html format that receives at described set top box decodes device place.
32. set top box decodes apparatus as claimed in claim 31, it is characterized in that, described broadcasting station comprises generation one control change, be used for to determine the uniformity between each identifiers of HTML webpage of the bag identifier of described mpeg data bag and described a plurality of storages, and the html web page of described control change and described a plurality of storages is formatted into the mpeg data bag keeps simultaneously described html format; Described set top box decodes apparatus further comprises:
Be used for receiving at described set top box decodes device place the device of described a plurality of mpeg data bags, described mpeg data bag comprises described a plurality of html web page and described control change; With
Be used in response to described control change, select at least in a plurality of html web pages of described html format one to be used for the device that shows at described set top box decodes device place.
33. set top box decodes apparatus as claimed in claim 32, it is characterized in that, described control change further comprises the first table and the second table, described broadcasting station comprises meeting the predetermined mpeg data bag that wraps identifier and sends described the first table, and send described the second table with the mpeg data bag of bag identifier with regulation in described the first table, described set top box decodes apparatus also comprises:
Be used for receiving with the MPEF packet that meets predetermined bag identifier the device of described the first table;
Be used for receiving with the mpeg data bag with bag identifier of stipulating at described the first table the device of described the second table; And
Be used in response to described the second table, select at least in a plurality of HTML webpages of described html format one to be used for the device that shows at set top box decodes device place.
34. in the One-to-All Broadcast communication network that is included in the broadcast medium broadcasting station that sends and the set top box decodes device that is coupled to described broadcast medium, a kind of device of on described One-to-All Broadcast communication network, broadcasting simultaneously described web page, described broadcasting station comprises that internet accessing server is used to search for the web page of html format, described broadcast communication network also comprises the multi-channel digital TV signal that is formatted into a plurality of mpeg data bags, and each of described each mpeg data bag is identified by bag identifier separately; It is characterized in that the described device of broadcasting simultaneously comprises:
Be used for the web page at described broadcasting station place's storage html format, form the device of the html web page of a plurality of storages;
The device that is used for the event table of a corresponding relation in channel of the described at least multichannel digital television signal of storage and the described html format WWW;
Be used for described event table is formatted as control change, with the conforming device between each identifier in the html web page of the bag distinguished symbol of determining described mpeg data bag and described a plurality of storages;
Be used for the html web page of described control change and described a plurality of storages is formatted as the device that the MPEG digital packets keeps described html format simultaneously;
Be used on described One-to-All Broadcast communication network, sending with described digital television signal the device of described mpeg data bag;
Be used for receiving described a plurality of mpeg data bag at described set top box decodes device place, comprise the device of described a plurality of HTML webpages and described control change; And
Be used at least one in response to described control change and described multichannel digital television signal, select in the html web page of a plurality of html formats corresponding one to be used for the device that shows at set top box decodes device place.
35. the device of broadcasting simultaneously as claimed in claim 34 is characterized in that, described control change further comprises the first table and the second table, and described network equipment further comprises:
Be used for sending with the mpeg data bag that meets predetermined bag identifier the device of described the first table; With
Be used for sending to have the described first mpeg data bag of showing the bag identifier of regulation the device of described the second table.
36. the device of broadcasting simultaneously as claimed in claim 35 is characterized in that, further comprises:
Be used for receiving with the mpeg data bag that meets predetermined bag identifier the device of described the first table;
Be used for receiving to have the described first mpeg data bag of showing the bag identifier of regulation the device of described the second table; And
Be used in response to described the second table, select at least in the HTML webpage of a plurality of html formats one to be used for the device that shows at described set top box decodes device place.
37. the device of broadcasting simultaneously as claimed in claim 36 is characterized in that, changes in response to detecting in described the first table, receives described the second table, to upgrade the device of the second table.
38. the device of broadcasting simultaneously as claimed in claim 34, it is characterized in that, the device of storing the event table of the corresponding one page relation at least one channel and described html format web page in the described multichannel digital television signal comprises, the place uses described internet accessing server in described broadcasting station, the relation in the described multichannel digital television signal of internet acquisition between corresponding one page of a channel and described web page.
39. the device of broadcasting simultaneously as claimed in claim 35 is characterized in that, described broadcasting station further comprises a plurality of TV programme signals of reception, and at least one comprises this ground mark in described a plurality of TV programme signals, and the described device of broadcasting simultaneously comprises:
Be used for using described internet accessing server at place, described broadcasting station the device of the relation in the described multichannel digital television signal of internet acquisition between corresponding one page of a channel and described web page;
Be used for a device that detects described issue of bidding documents note at described a plurality of TV programme signals; And
Be used for this issue of bidding documents note in response to described detection, store the device of described multichannel digital television signal event table of the relation of corresponding one page at least one channel and described html format web page.
40. transmitter installation, be used for the One-to-All Broadcast communication network, described broadcast communication network is included in the broadcasting station that sends on the broadcast medium and is coupled to the set top box decodes device of described broadcast medium, described broadcasting station comprises that internet accessing server is used to search for the web page of html format, described broadcast communication network also comprises the multichannel digital television signal of formatting and changing into a plurality of mpeg data bags, each of described a plurality of mpeg data bags is identified by bag identifier separately, described transmitter installation is used for distributing web page at described One-to-All Broadcast communication network, it is characterized in that described transmitter installation comprises:
Be used for the web page at described broadcasting station storage html format, form the device of the html web page of a plurality of storages;
Be used for storing the device of the event table that corresponding one page of web page of described at least one channel of multi-channel digital TV signal and described HTMP form concerns;
Be used for described event table is formatted into control change, with the conforming device of each identifier of the html web page of determining described mpeg data bag identifier and described storage;
Be used for the html web page of described control change and described a plurality of storages is formatted into the mpeg data bag, keep simultaneously the device of html format; And
Be used on described One-to-All Broadcast communication network, sending with described digital television signal the device of described mpeg data bag.
41. transmitter installation as claimed in claim 40 is characterized in that, described control change further comprises the first table and the second table, and described transmitter installation further comprises:
Be used for sending to meet the mpeg data bag that wraps identifier the device of the first table; With
Be used for sending to have the described first mpeg data bag of showing the bag identifier of regulation the device of described the second table.
42. the device of broadcasting simultaneously as claimed in claim 40, it is characterized in that, described device for storing the event table of corresponding one page relation in described at least one channel of multi-channel digital TV signal and the described html format web page comprises, the place uses described internet accessing server in described broadcasting station, obtains the relation between one page corresponding in channel and the described web page in the described multichannel digital television signal in the internet.
43. the device of broadcasting simultaneously as claimed in claim 40 is characterized in that, described broadcasting station further comprises a plurality of TV programme signals of reception, and at least one comprises this ground mark in a plurality of TV programme signals, and the described device of broadcasting simultaneously comprises:
Be used for using at place, described broadcasting station the device of the relation of described internet accessing server between a channel of the described a plurality of digital television signals of internet acquisition one page corresponding with described web page;
Be used for a device that detects described ground mark at described a plurality of TV programme signals; And
Be used in response to detecting described ground mark, store the device of the event table of the relation of corresponding one page in the web page of at least one channel and described html format in the described multichannel digital television signal.
44. set top box decodes apparatus, be used for the One-to-All Broadcast communication network, described broadcast communication network is included in the broadcasting station that sends on the broadcast medium and is coupled to the set top box decodes device of described broadcast medium, described broadcasting station comprises that internet accessing server is used to search for the web page of html format, described broadcast communication network also comprises the multichannel digital television signal that is formatted into a plurality of mpeg data bags, each of described a plurality of mpeg data bags is identified by bag identifier separately, described broadcasting station is included in the web page of described broadcasting station place's storage html format, form the html web page of a plurality of storages, store the event table of the relation of corresponding one page in the web page of at least one channel and described html format in the described multiple digital TV signal, described event table is formatted into control change, be used for to determine the uniformity of each identifier of html web page of the bag identifier of described mpeg data bag and described a plurality of storages, the html web page of described control change and described a plurality of storages is formatted into the mpeg data bag keeps simultaneously described html format, and on described One-to-All Broadcast communication network, send described mpeg data bag with described digital television signal, it is characterized in that described set top box decodes apparatus comprises:
Be used for receiving described a plurality of MPEG digital packets at described set top box decodes device place, comprise the device of described a plurality of HTML webpages and described control change; And
Be used in response to described control change and described at least one channel of multichannel digital television signal, select in the html web page of described a plurality of html formats corresponding one to be used for the device that shows at described set top box decodes device place.
45. set top box decodes apparatus as claimed in claim 44, it is characterized in that, described control change further comprises the first table and the second table, described broadcasting station comprises meeting MPEG digital packets transmission first table of predetermined bag identifier, and send described the second table with the MPEG digital packets of bag identifier with regulation in described the first table, described set top box decodes apparatus further comprises:
Be used for receiving the device that institute first shows with the described MPEG digital packets that meets predetermined bag identifier;
For the device of showing to have the described first described MPEG digital received described second of showing the bag identifier of regulation; And
Be used in response to described the second table, select in a plurality of HTML webpages of described html format at least one page is used for display unit at described set top box decodes device place.
46. set top box decodes apparatus as claimed in claim 45 is characterized in that, is used in response to the variation that detects described the first table, implements to receive described second and shows to upgrade the second device of showing.
CN99810266A 1998-07-29 1999-07-27 Digital TV system with synchronized world web content Pending CN1319304A (en)

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