CN1564592A - Method of setting up broadband TV web - Google Patents
Method of setting up broadband TV web Download PDFInfo
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- CN1564592A CN1564592A CN 200410014651 CN200410014651A CN1564592A CN 1564592 A CN1564592 A CN 1564592A CN 200410014651 CN200410014651 CN 200410014651 CN 200410014651 A CN200410014651 A CN 200410014651A CN 1564592 A CN1564592 A CN 1564592A
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Abstract
The method includes the following step: the web site providing digital TV program on Internet uses the wideband TV displayer to display simultaneously multi channel TV program by using continuous-data-stream mode transmitted orderly, and uses the IP protocol packet to replace the frequency division transmitted by analog TV system; the accessing device of wideband user changes the extraction of the needed digital TV signals from video server into the extraction of digital video signal from the continuous-data-stream displayed by wideband TV displayer; the wideband TV web site that is built based on Ethernet LAN and IP protocol consists of the system manager, the wideband TV displayer and the accessing device of user. The invention can entirely move the TV station to Internet.
Description
One, technical field
The present invention relates to internet website, video server, broadband user and insert and the IP host-host protocol, particularly in the transmission and the acceptance of digital television signal on the internet.
Two, background technology
2003 message area taken place two significants dynamically:
1, the broadband user increases rapidly, has reached 1,200 ten thousand, wherein mainly is the ADSL of communication network, turns over 100 times in 3 years, near 1,000 ten thousand, has relay to look mechanical, electrical to jump again behind words, the mobile phone gesture of tool the first in the world greatly;
2, national departments concerned such as Ministry of Information Industry has proposed to push forward comprehensively the planning of Digital Television, promptly 2003 cable digital TVs, live and the ground digital television broadcast of digital satellite in 2005 finally stopped anolog TV signals and broadcasts by 2015, carry out Digital Televisionization comprehensively.
The increase that the user enjoys the broadband means the more pursuit of high quality-of-service, and Development of Multimedia Technology is also given Digital Television and provided possibility for the video flowing service of representative.But, to the assurance of TV signal transmission real-time and the support that large user group is inserted, if this large user group be not several thousand, several ten thousand and want hundreds of thousands, millions of more than, then be present internet can't bear, the present invention has just made breakthrough at this.
Owing to the inertia of technology, the development of Digital Television substantially also only is confined within the scope of TV network at present, and the introducing of Broadband TV will make communication network, computer network also will join this competition soon.Wherein increasing rapidly of ADSL especially utilized 2.5 hundred million phone service wire, and communication network just can be inserted into this directly in the face of on the great market of 400,000,000 television sets quickly.Natural numerical that has and amphicheirality, spreadability widely, more ripe managerial skills, more abundant financial strength, communication network may maintain the leading position in the competition of Digital Television.
Three, summary of the invention
The present invention seeks to: on the basis of ethernet local area network and IP agreement, set up a wideband TV web site high-quality, support large user group, that broadcast type sends digital television signal.
Purpose of the present invention can realize by the following technical solutions:
Wideband TV web site mainly is made up of system administration manager, Broadband TV player and broadband user's access device three parts, sees accompanying drawing 1.
1, is used for the method that broadcast type sends the Broadband TV player of digital television signal.In the website that the broadcast digital television program is being provided on the internet, employing comprises the Broadband TV player, plays the TV programme of overlapping simultaneously with the continuous-data stream mode that order sends more, has replaced the frequency division of analog television transmission with the bag branch of IP agreement; Broadband user's access device digital television signal that the user is required extracts by having changed on the continuous data stream of Broadband TV player plays in the extraction on the video server; By system administration manager this web station system is managed:
At first the Broadband TV player is followed the requirement of system administration manager transmission table of formation for information about with the digital television signal of required transmission; From the video stream signal of outside or the video stream signal that directly prestores internally, extract corresponding information and form and send packets of information by accepting network interface card then, deliver to the transmission buffering area, to form the sequence of a transmission; To send content and the destination address of broadcast type and the modification of transmission table source address in proper order in proper order in addition that the packets of information in the buffering area is shown according to transmission again; Deliver at last and send the network interface card transmission.Carry out once cephalocaudal complete operation according to the transmission table like this and be called a transmission cycle; The quantity of TV programme and the contained packets of information number of every cover TV programme are that content by the transmission table decides in each transmission cycle, but every programs has a packets of information at least; So circulation has just formed continuous digital TV video frequency stream.Each overlaps TV programme is to be distinguished by the source address of packets of information, and real-time is to be guaranteed by the packets of information that every cover TV in each transmission cycle must contain, and bandwidth is that the quantity by packets of information provides;
The digital television signal that the Broadband TV player sends is taken off by broadband user's access device: the reception network interface card of broadband user's access device constantly takes off the continuous number TV information bag that the Broadband TV player sends on the link, deposit the transmission buffering area then in, select to use for the user; When the broadband user is fashionable by the Access Network clamping, broadband user's access device provides a log-in interface immediately, selects required digital television service content by the user with menu mode; After the user was selected, the IP packets of information that broadband user's access device just will be selected exists the digital television signal packets of information that sends in the buffering area to be revised as to send to this user specially sent by inserting network interface card again; If the information that receives is surrounded by mistake, the user can ask to send again, just broadband user's access device takes out the transmission of corresponding information bag from sending buffering area again.
System administration manager also can provide video on-demand function.If the required TV programme of user does not exist in sending buffering area, broadband user's access device can be transmitted to system administration manager with user's request, system administration manager can be according to the idle condition of user class and Broadband TV player, and whether decision opens one tunnel Video service program for this reason specially again.
Key of the present invention is to play many cover TV programme simultaneously with the continuous-data stream mode that order sends.The required TV signal of user is extracted by having changed on the data flow of Broadband TV player in the extraction on the video server.
The improvement of method also is:
A, accept and the digital video frequency flow signal that prestores will modes such as MPEG4 in accordance with regulations compress;
The reception and the transmission of B, digital TV video frequency stream signal are realized by two network interface cards that respectively they connect two local area network (LAN)s that separate physically respectively;
C, each transmission cycle are at least every programs and send a packets of information, to required the deciding of being compressed by this programs at most of bandwidth;
The content of D, transmission table can be revised by system administration manager at any time;
E, Broadband TV player have the integrality that monitors the transmission packets of information, and the function that resends;
Be used to accept the method for broadband user's access device of digital television signal:
A kind of method of accepting broadband user's access device of digital television signal is adopted in design, relates to the device that utilizes to have two network interface cards.A network interface card mainly is responsible for receiving the broadcast type digital television signal, and this signal comes from the continuous number video flowing on the Broadband TV player transmission link.Another piece network interface card mainly is responsible for broadband user's access service, and log-in interface is provided, and the process user request sends digital television signal.Each broadband user's access device is responsible for one group of fixing broadband user access, as supporting 1000 road 1M DSL broadband users under the situation about inserting a gigabit.
Receive network interface card the continuous number Video stream information bag that the Broadband TV player sends on the link is constantly taken off, deposit the transmission buffering area then in, select to use for the user.When the user by the Access Network clamping fashionable, broadband user's access device provides a log-in interface immediately, this is similar to the choice menus of television set, determines required TV services content by the user; After the broadband user is selected, broadband user's access device just will be selected exists the digital television information that sends in the buffering area to guarantee the repair free of charge to change the IP packets of information that sends to this user specially into and sends by inserting network interface card: if the information that receives is surrounded by mistake, the broadband user can ask to send again, and broadband user's access device just takes out the transmission of corresponding information bag from sending buffering area again.
The feature of method and device thereof also is:
The reception of A, digital video frequency flow signal and broadband user's access are realized by two network interface cards that respectively they connect two local area network (LAN)s that separate physically respectively;
B, the continuous number Video stream information bag that in advance the Broadband TV player is sent on the link take off, and deposit the transmission buffering area in.The big I that sends buffering area is decided by the performance of device and the quality on access line road;
C, the Broadband TV player required as if the user do not exist in sending buffering area, broadband user's access device can be transmitted to system administration manager with user's request, system administration manager can be according to circumstances, and whether decision may utilize the idle bandwidth of Broadband TV player to run one tunnel Video service program more for this reason.
3, the method to set up of system administration manager
Relate to the device that utilizes to have two network interface cards.A network interface card is responsible for broadband user's access device, and another piece network interface card is responsible for the Broadband TV player.Be characterised in that:
A, broadband user's access device and Broadband TV player separate physically, and their contact must be passed through system administration manager;
B, system administration manager are in charge of the operation of whole system, can be undertaken by network by system administration manager being provided with all of broadband user's access device and Broadband TV player;
The function that C, system administration manager provide new Video service content just to be equivalent to video request program for the user, others also may see this program request that different is.When the Broadband TV player abundant, to such an extent as to when being same as broadband user's access device, that is exactly a complete BNET, can support the future network of Video service.
4, wide-band exchange unit
Relate to the wide-band exchange unit that utilizes to advance to have more, be placed on the front that broadband user's access device enters system, one advances to connect broadband user's access device, has more welding system manager and a plurality of Broadband TV player respectively.Along with the increase that has more, the channel number of broadcast just can increase exponentially, as uses a pair of eight wide-band exchange unit just can channel be increased to the TV programme of 8,000 covers, 1,000,000 bandwidth under the situation of kilomega network.
Characteristics of the present invention are: wideband TV web site is based upon on the basis of ethernet local area network and IP agreement, mainly is made up of system administration manager, Broadband TV player and broadband user's access device three parts.Wideband TV web site utilizes natural numerical directly just to carry out Digital Television, utilize natural amphicheirality directly just to enter bi-directional digital television, utilize stream media technology to improve efficient and quality that vision signal is handled, utilize the disposal ability of website greatly to expand the user and insert number and program channel number, thereby TV station fully can be moved on the internet, make broadband network enter the competition of Digital Television.
Four, description of drawings:
Fig. 1: this is the elementary cell of wideband TV web site.The example that we use is an ether gigabit office net as network, and device is the MORCO MB4KL industrial computer of the two network interface cards of band.If insert user's average out to 1M bandwidth, this structure is for supporting 1,000 cover TV programme and 1,000 users' system.
Fig. 2: send at the Broadband TV player that broadband user's access device can at random increase on the link, so number of users can be unrestricted, this figure illustrated to hang three respectively from the CMTS of the DSLLAN of telecommunications network, cable TV and; Under the support of wide-band exchange unit, the Broadband TV player can increase arbitrarily, and user selected program quantity also can be unrestricted in other words.
Five, embodiment
A kind of method that sends the Broadband TV player of digital video frequency flow is adopted in design, relates to the device that utilizes to have two network interface cards.A network interface card mainly is responsible for reception information, this information is to come from the order of system administration manager and outside digital video frequency flow signal, can be signal that is broadcasting the TV station studio, that receive from satellite or cable or that digital player such as DVD is play.Another piece network interface card mainly be responsible for to send signal, and this signal is the digital video frequency flow signal of the outside that receiving and the continuous data stream that the inner digital video frequency flow signal that prestores is formed.
Relate to the wide-band exchange unit that utilizes to advance to have more, be placed on the front that broadband user's access device enters system, one advances to connect broadband user's access device, has more welding system manager and a plurality of Broadband TV player respectively.Along with the increase that has more, the channel number of broadcast just can increase exponentially, as uses a pair of eight wide-band exchange unit just can channel be increased to the TV programme of 8,000 covers, 1,000,000 bandwidth under the situation of kilomega network.
Claims (6)
1, sets up the method for wideband TV web site, it is characterized in that in the website that the broadcast digital television program is provided on the internet, employing comprises the Broadband TV player, simultaneously play the TV programme of overlapping with the continuous-data stream mode that order sends more, replaced the frequency division of analog television transmission with the bag branch of IP agreement; Broadband user's access device digital television signal that the user is required extracts by having changed on the continuous data stream of Broadband TV player plays in the extraction on the video server; By system administration manager this web station system is managed:
At first the Broadband TV player is followed the requirement of system administration manager transmission table of formation for information about with the digital television signal of required transmission; From the video stream signal of outside or the video stream signal that directly prestores internally, extract corresponding information and form and send packets of information by accepting network interface card then, deliver to the transmission buffering area, to form the sequence of a transmission; To send content and the destination address of broadcast type and the modification of transmission table source address in proper order in proper order in addition that the packets of information in the buffering area is shown according to transmission again; Deliver at last and send the network interface card transmission.Carry out once cephalocaudal complete operation according to the transmission table like this and be called a transmission cycle; The quantity of TV programme and the contained packets of information number of every cover TV programme are that content by the transmission table decides in each transmission cycle, but every programs has a packets of information at least; So circulation has just formed continuous digital TV video frequency stream.Each overlaps TV programme is to be distinguished by the source address of packets of information, and real-time is to be guaranteed by the packets of information that every cover TV in each transmission cycle must contain, and bandwidth is that the quantity by packets of information provides;
The digital television signal that the Broadband TV player sends is taken off by broadband user's access device: broadband user's access device receives network interface card the continuous number TV information bag that the Broadband TV player sends on the link is constantly taken off, deposit the transmission buffering area then in, select to use for the user; When the broadband user is fashionable by the Access Network clamping, broadband user's access device provides a log-in interface immediately, selects required digital television service content by the user with menu mode; After the user was selected, the digital television signal packets of information in oneself the existence transmission buffering area that broadband user's access device just will be selected was revised as the IP packets of information that sends to this user specially and sends by inserting network interface card; If the information that receives is surrounded by mistake, the user can ask to send again, just broadband user's access device takes out the transmission of corresponding information bag from sending buffering area again.
2,, it is characterized in that playing many cover TV programme simultaneously with the continuous-data stream mode that order sends by the described method of setting up wideband TV web site of claim 1.
3,, it is characterized in that the required TV signal of user extracts by having changed on the data flow of Broadband TV player in the extraction on the video server by the described method of setting up wideband TV web site of claim 1.
4, by the described method of setting up wideband TV web site of claim 1, it is characterized in that system administration manager provides video request program: if the required TV programme of user does not exist in sending buffering area, broadband user's access device can be transmitted to system administration manager with user's request, system administration manager can be according to the idle condition of user class and Broadband TV player, and whether decision opens one tunnel Video service program for this reason specially again.
5, by the described method of setting up wideband TV web site of claim 2, it is characterized in that:
A, follow the requirement of system administration manager, form one according to quantity, content and the required bandwidth of the digital television program of required transmission and send table, arrange sending order properly;
B, with the mode of a continuous data stream simultaneously broadcast type send the digital signals of many cover TV programme;
C, carry out once cephalocaudal complete operation according to the transmission table and be called a transmission cycle; The quantity of TV programme and the contained packets of information number of every cover TV programme are that content by the transmission table decides in each transmission cycle, but every programs has a packets of information at least;
D, respectively to overlap TV programme be to distinguish with the source address of packets of information.
6, by the described method of setting up wideband TV web site of claim 2, it is characterized in that:
A, each broadband user's access device correspondingly are responsible for one group of fixing broadband user access, and access can be from the DSLAN of telecommunications network, the CMTS of cable TV or the wide-band exchange unit of computer network etc.;
The digital television information bag that B, broadband user's access device constantly extract on the Broadband TV player data transmission link deposits the transmission buffering area in;
C, according to user's request, the packets of information that broadband user's access device will send digital television program that buffering area is chosen is transmitted to corresponding each user that each is filed a request;
D, if on the data link of current transmission no required digital television program signal, broadband user's access device then can be given to system administration manager with request, so that system administration manager arranges bandwidth idle in the Broadband TV player to send required digital television programs information bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410014651 CN1564592A (en) | 2004-04-14 | 2004-04-14 | Method of setting up broadband TV web |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410014651 CN1564592A (en) | 2004-04-14 | 2004-04-14 | Method of setting up broadband TV web |
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| CN1564592A true CN1564592A (en) | 2005-01-12 |
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| CN 200410014651 Pending CN1564592A (en) | 2004-04-14 | 2004-04-14 | Method of setting up broadband TV web |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867692B (en) * | 2009-02-03 | 2012-08-15 | 美国博通公司 | Communication method and communication system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867692B (en) * | 2009-02-03 | 2012-08-15 | 美国博通公司 | Communication method and communication system |
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