CN104349218B - Terrestrial DTV two-way interaction VOD system - Google Patents
Terrestrial DTV two-way interaction VOD system Download PDFInfo
- Publication number
- CN104349218B CN104349218B CN201410543378.6A CN201410543378A CN104349218B CN 104349218 B CN104349218 B CN 104349218B CN 201410543378 A CN201410543378 A CN 201410543378A CN 104349218 B CN104349218 B CN 104349218B
- Authority
- CN
- China
- Prior art keywords
- dtmb
- broadcasting
- user
- program
- headend
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003993 interaction Effects 0.000 title claims abstract description 17
- 230000000051 modifying Effects 0.000 claims abstract description 26
- 238000005516 engineering process Methods 0.000 claims abstract description 18
- 230000001702 transmitter Effects 0.000 claims abstract description 18
- 238000010295 mobile communication Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 8
- 241000182185 Alfalfa virus S Species 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000004301 light adaptation Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
- 238000010908 decantation Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 235000010384 tocopherol Nutrition 0.000 description 2
- 235000019731 tricalcium phosphate Nutrition 0.000 description 2
- 229920001276 Ammonium polyphosphate Polymers 0.000 description 1
- 210000004556 Brain Anatomy 0.000 description 1
- 230000001174 ascending Effects 0.000 description 1
- 230000002457 bidirectional Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6112—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving terrestrial transmission, e.g. DVB-T
-
- 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
- H04N21/21—Server components or server architectures
- H04N21/222—Secondary servers, e.g. proxy server, cable television Head-end
- H04N21/2225—Local VOD servers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
Abstract
Terrestrial DTV two-way interaction VOD system, relate to broadcast television transmissions lift-off technology and mobile Internet communication technology, especially belong to a set of terrestrial DTV user by development of Mobile Internet technology reading, predetermined, demand TV program, it is possible in home television set, watch the system of institute's request program.Including user side, the Internet, broadcasting and TV website portal platform, CND network, DTMB sub-headend, described user side has terrestrial digital television set box, television set and mobile communication equipment, mobile communication equipment passes through linking Internet broadcasting and TV website portal platform, broadcasting and TV website portal platform is connected digital TV data center IDC, IDC and is coupled with DTMB sub-headend by CND network；DTMB sub-headend is made up of edge video server, IP TS conversion duplexer, DTMB modulation transmitter, transmitting antenna, has convenient intelligence, makes life be rich in the good effect of enjoyment.
Description
Technical field
The present invention relates to broadcast television transmissions lift-off technology and mobile Internet communication technology, especially belong to a set of ground
Digital cable customers is read by development of Mobile Internet technology, predetermined, demand TV program, it is possible to watch institute in home television set
The system of request program.
Background technology
Under the overall background of the integration of three networks, the developing direction of nearly all prediction TV is two-way interaction, at cable television
In system, two-way interaction point multicast function has been carried out, and wireless terrestrial DTV unidirectional, broadcast type can not realize always
This function.To this, many people are made that the biggest exploration and effort, and this problem was the most once listed in " 863 " plan by country, but arrived
The most do not see the success on practical engineering value now.
In recent years, along with the Rapid Popularization of DTMB GB, China's terrestrial DTV (DTMB) quickly grew；Cabled digital
WIFI and the 3G/4G technology of TV bidirectional applications and telecommunications industry is the most ripe, is widely used.This is that people are effective
Ground solves terrestrial DTV two-way interaction program request problem and provides technical foundation, but difficulty is the biggest, technical difficult points
It is: 1, the down transmitting power of wireless terrestrial DTV (DTMB) transmitting station is general very big, with up of TV user
Penetrating power cannot be symmetrical, i.e. ascending power is unable to reach practical level.2, two-way space in the range of radio and television frequency planning
Spectrum congestion, it is difficult to plan.3, each architectonical of terrestrial DTV, cable digital TV and Internet communication technology, standard is mutual
Disunity, it is difficult to merge.4, the content distributing network in the typically no Cable Digital TV Network of terrestrial digital television system and
Its IP carries private network.5, current DTMB transmitting station major part is all located at TV and Radio Service of below county, and these transmitting stations are both without program request
Program source, also cannot be connected with request program origin system.6, TV and Radio Service all it is located in China's current DTMB system, it is impossible to straight
Connect and obtain request program content and the information of TV in CATV network company front end system in succession.
Summary of the invention
Present invention is primarily targeted at a kind of novel terrestrial DTV two-way interaction VOD system of offer, to reach
Effectively solve current terrestrial DTV user and cannot be carried out the purpose of two-way interaction program request.
For reaching above-mentioned purpose, terrestrial DTV two-way interaction VOD system provided by the present invention, it is characterised in that
Including user side, the Internet, broadcasting and TV website portal platform, CND network, DTMB sub-headend, described user side has ground number
Word TV set-top box, television set and mobile communication equipment, mobile communication equipment passes through linking Internet broadcasting and TV website portal platform,
Broadcasting and TV website portal platform is connected digital TV data center IDC, IDC and is coupled with DTMB sub-headend by CND network；D
TMB sub-headend is made up of edge video server, IP-TS conversion duplexer, DTMB modulation transmitter, transmitting antenna.
The job step of said system includes:
Step 1), utilized client end AP P on mobile communication equipment by terrestrial DTV user, pass through mobile Internet
Communication network access specific radio and television website；
Step 2), the broadcasting and TV website portal platform of above-mentioned radio and television website connect digital TV data center IDC, IDC
The programme content TS of user's program request is flowed and user profile is packaged into IP packet, be pushed to belonging to a broadcasting user through CDN
The broadcasting and TV DTMB secondary front end of overlay area；
The IP packet that step 3), DTMB sub-headend are received carries out code stream and keeps in, changes and after multiplexing, be pushed to
The modulation transmitter modulate emission of DTMB front end；
Step 4), the transmitting emitted antenna of signal are sent to the STB terminal of a broadcasting user, after Set Top Box reception, decoding
Audio frequency and video AV signal or HDMI signal are delivered to television set viewing.
Wherein, mobile device can include mobile phone, panel computer or PC etc., and described APP is mobile phone, flat board electricity
The application that brain or PC customization are downloaded, is used for browsing g.TV program abstract and programme, request program or information, net
Upper paying.
Described mobile Internet communication network is WIFI or 3G/4G etc..
Described specific radio and television website is taken for utilizing original provincial, and municipal level radio and television website or Network TV Station
The broadcasting and TV website portal platform built, broadcasting and TV website portal platform is one group of server, its function be user manage, service content point
Broadcast subscription, information read, charging and other value-added service service.
Described broadcasting and TV website portal platform uses constructed by HTML5 technology, it can accomplish for user mobile phone or
The automatic adaptation of IPAD screen.
Described programme content TS stream refer to the VOD front-end processing system in IDC by the video-audio program of user's program request,
H.264 or H.265 use or AVS+ coded system carries out encoding or be recoded into after transcoding to flow (Transport into TS
Stream), programme content TS stream adds user profile and TCP/IP packet header just becomes IP packet.
Described CDN refers to a CDN (Content Delivery built with two-stage networking model
Network) content distributing network, as the system that it uses with existing cable digital TV, mainly has contents construction, content
The systems such as distribution, content storage and Content Management are constituted.
Described two-stage networking model one-level is data center IDC(Centroid CRD), another level is broadcasting and TV DTMB at county level
Sub-headend (child node CSG), its mode of connection is Leased line, private network or the Internet；Mainly undertake contents construction, content is divided
Send out function: CRD and distribute CSG child node, CSG child node adaptation IP data according to the identifier RegionID of Set Top Box region
Bag is to code stream conversion and multiplexing port (GbE).Here CSG child node answers configured in advance basic frequency, maximum code stream (to be set to
The parameter such as 32Mbps).
Described code stream is kept in as providing the storage to IP packet (conventional popular program) with an edge video server
Deposit and forward.
Described change similar with multiplexing into the edge modulator (IPQAM) in Cable Digital TV Network, the most only adopt
By the conversion of its code stream and multiplexing part, remove QAM modulation part, be to the IP packet from CSG child node, complete IP packet header
Deblocking, solution is separated by decantation to the SPTS code stream TS of the single order request (stream), the SPTS stream of multiple order request is multiplexed into many
Program transport streams (MPTS), and MPTS is fitted into DTMB modulation transmitter.
Described DTMB modulation transmitter is emitted as using the 64QAM modulation transmitter of DTMB GB or higher order QAM to adjust
Transmitter processed.The 64QAM modulation system of each 8MHz bandwidth channel, its effective code flow rate is 32.486Mbps.
Described Set Top Box is terrestrial digital television set box, and it can redirect after receiving request program signal automatically
To program-on-demand channel, through frequency reducing, demodulate, decode, generate audio frequency and video AV signal or HDMI signal send television set to watch, it is achieved that
Request program on terrestrial DTV user network, the purpose of home television set viewing request program.
Present invention application development of Mobile Internet technology accesses, content distributing network technology (CDN) transmits and terrestrial DTV
(DTMB) method that technology is launched and received, it is achieved that terrestrial DTV user passes through the mobile device such as mobile phone or panel computer
The purpose of the program of program request is watched in online request program, home television set, has convenient intelligence, makes life be rich in the positive of enjoyment
Effect.
Accompanying drawing explanation
Fig. 1, Broadcast and TV system DTMB two-way interaction program request schematic diagram.
Detailed description of the invention
As shown in drawings, terrestrial DTV two-way interaction VOD system provided by the present invention, including user side, interconnection
Net, broadcasting and TV website portal platform, CND network, DTMB sub-headend, described user side has terrestrial digital television set box, electricity
Depending on machine and mobile communication equipment, mobile communication equipment passes through linking Internet broadcasting and TV website portal platform, and portal platform is arranged mutually
Networking fire wall, broadcasting and TV website portal platform connects digital TV data center IDC, IDC by CND network and DTMB sub-headend
Couple；DTMB sub-headend by edge video server, IP-TS conversion duplexer, DTMB modulation transmitter, send out
Penetrate antenna to constitute.
The job step of terrestrial DTV two-way interaction VOD system provided by the present invention includes the following:
Step 1), utilized client end AP P on mobile communication equipment by terrestrial DTV user, pass through mobile Internet
Communication network access specific radio and television website；Described mobile Internet communication network is WIFI or 3G/4G；
Step 2), the broadcasting and TV website portal platform of above-mentioned radio and television website connect digital TV data center IDC, IDC
The programme content TS of user's program request is flowed and user profile is packaged into IP packet, be pushed to belonging to a broadcasting user through CDN
The broadcasting and TV DTMB secondary front end of overlay area；
The IP packet that step 3), DTMB sub-headend are received carries out code stream and keeps in, changes and after multiplexing, be pushed to
The modulation transmitter modulate emission of DTMB front end；
Step 4), the transmitting emitted antenna of signal are sent to the STB terminal of a broadcasting user, after Set Top Box reception, decoding
AV signal or HDMI signal are delivered to television set viewing.
Described client end AP P be customize one of download in the mobile devices such as mobile phone, panel computer or PC should
With, it is used for browsing g.TV program abstract and programme, request program or information, paying on the net.User and the information of website docking
Being only that information is shown and service selection, flow is the least.
In described step 1, specific radio and television website is for utilizing original provincial, and municipal level and above broadcasting and television network
Standing or broadcasting and TV website portal platform that TV in CATV network company is built, broadcasting and TV website portal platform is one group of server, its merit
Can be user behavior analysis and commending contents, user self-help inquiry, service content program request subscription, information read, charging and other
Value-added service services；Portal website's platform, as the Rendezvous Point of information, externally connects the Internet, collects and arrange the Internet letter
Breath.Internally docking user behavior analysis system and content recommendation system, simultaneously docking digital TV data center IDC.User's row
For the user's management in analysis system and content recommendation system on the one hand docking digital TV data center IDC and VOD etc. it is
System, obtains user behavior data, on the other hand feeds back to user by calculating the personalized recommendation information produced, thus to debarkation net
The user stood provides customization content recommendation service.Broadcasting and TV website portal platform uses constructed by HTML5 technology, and it can do
To for user mobile phone or the automatic adaptation of IPAD screen, because HTML5 is for the Mobile operating system such as Android or iOS
There is fairly perfect solution, the good compatibility of website platform and user terminal can be accomplished, it is ensured that access quality.Best
Use Provincial Broadcast Television website or Network TV Station, because they typically have video request program resource and the program request ability of abundance, and
Provincial typically has TV storage center or IPTV front end system, and this is all ready-made data center IDC, can directly utilize.
Described digital TV data center IDC is the front-end processing system of VOD (Video On Demand)；VOD
(Video On Demand) front-end processing system is to provide user's program, be managed and the set of system of charging etc., including
Video server, disk array, program are play and control the systems such as equipment, program database, network management and charging.
The process that the programme content of user's program request and user profile are packaged into IP packet is referred to by described IDC: in IDC
VOD front-end processing system by the video-audio program of user's program request, H.265 or AVS+ coded system is compiled use H.264 or
It is recoded into after code or transcoding flowing (Transport Stream) into TS, adds user profile and TCP/IP packet header becomes IP number
According to bag.
Described CDN refers to a CDN (Content Delivery built with two-stage networking model
Network) content distributing network, as the system that it uses with existing cable digital TV, mainly has contents construction, content
The systems such as distribution, content storage and Content Management are constituted；Described two-stage networking model one-level is data center IDC, its center
Node is CRD, and another level is broadcasting and TV DTMB sub-headend at county level, and its child node is CSG, and two-stage networking model mode of connection is data
Special line, private network or the Internet.
Described two-stage networking model is made up of Centroid CRD and child node CSG, undertakes contents construction, content distribution
Function: CRD distributes CSG child node, CSG child node adaptation IP data according to the identifier RegionID of Set Top Box region
Bag is to code stream conversion and multiplexing port (GbE).Here CSG child node answers configured in advance basic frequency, maximum code stream (to be set to here
The parameter such as 32Mbps).
Described code stream is kept in as providing the storage to IP packet and forwarding, mainly with an edge video server
Store nearby and forward conventional popular program.
Described change similar with multiplexing into the edge modulator (IPQAM) in Cable Digital TV Network, the most only adopt
By the conversion of its code stream and multiplexing part, remove QAM modulation part, be to the IP packet come via CSG child node, complete IP bag
The deblocking of head, solution is separated by decantation to SPTS code stream (the TS stream of single order request), the SPTS stream of multiple order request is multiplexed into
MPTS (MPTS), and MPTS is fitted into DTMB modulation transmitter.
Described DTMB modulation transmitter is emitted as using the 64QAM modulation transmitter of DTMB GB, each 8MHz bandwidth
The 64QAM modulation of channel, its effective code flow rate is 32.486Mbps.The transmitting power of DTMB modulation transmitter and transmitting aerial system
System should be identical with original DTMB emission system, and the frequency that tranmitting frequency configures with CSG child node is consistent.
Described Set Top Box need to carry out upgrading adaptation to original terrestrial digital television set box, is allowed to receiving program request
During programme information, automatic jump to program-on-demand channel, through frequency reducing, demodulate, decode, generate audio frequency and video AV signal or HDMI signal
Television set is sent to watch.
In charge accounting, website can utilize third party's settlement platforms such as Alipay, can accomplish user's net answer system
Program, online paying, the business experience of television-viewing, such that it is able to solve charge accounting problem well.
Present invention application development of Mobile Internet technology accesses, content distributing network technology (CDN) transmits and terrestrial DTV
(DTMB) method that technology is launched and received, it is achieved that terrestrial DTV user passes through the online request program of mobile device, family
The purpose of the program of front yard television set viewing program request.
Claims (5)
1. a terrestrial DTV two-way interaction VOD system, including user side, the Internet, broadcasting and TV website portal platform, CND
Network, DTMB sub-headend, described user side has terrestrial digital television set box, television set and mobile communication equipment, mobile
Communication equipment passes through linking Internet broadcasting and TV website portal platform, and broadcasting and TV website portal platform connects digital TV data center
IDC, IDC are coupled with DTMB sub-headend by CND network；DTMB sub-headend is multiple by edge video server, IP-TS conversion
With device, DTMB modulation transmitter, launch antenna composition, it is characterised in that user utilizes client end AP P by terrestrial DTV,
By mobile Internet communication network access specific radio and television website；The broadcasting and TV website portal of above-mentioned radio and television website is put down
Platform connects digital TV data center IDC, IDC and programme content TS stream and the user profile of user's program request is packaged into IP data
Bag, is pushed to the broadcasting and TV DTMB sub-headend of overlay area belonging to a broadcasting user through CDN；The IP that DTMB sub-headend is received
Packet carries out code stream to be kept in, changes and after multiplexing, be pushed to the modulation transmitter modulate emission of DTMB front end；Signal is emitted
Antenna is sent to the STB terminal of a broadcasting user, after Set Top Box reception, decoding, AV signal or HDMI signal is delivered to television set；
Above-mentioned broadcasting and TV website portal platform is one group of server, and its function includes: user's management, content-on-demand are subscribed to, information
Reading, charging and other value-added service service.
Terrestrial DTV two-way interaction VOD system the most according to claim 1, is further characterized in that, described broadcasting and TV
Website portal platform is for using constructed by HTML5 technology.
Terrestrial DTV two-way interaction VOD system the most according to claim 1, is further characterized in that, described program
Content TS stream refer to the VOD front-end processing system in IDC by the video-audio program of user's program request, use H.264 or H.265 or
AVS+ coded system carries out encoding or be recoded into after transcoding to flow into TS.
Terrestrial DTV two-way interaction VOD system the most according to claim 1, is further characterized in that, described DTMB
Modulation transmitter is emitted as using 64QAM modulation transmitter or the higher order QAM modulation transmitter of DTMB GB.
Terrestrial DTV two-way interaction VOD system the most according to claim 1, is further characterized in that, described machine top
Box is terrestrial digital television set box, and it can automatic jump to program-on-demand channel after receiving request program signal, through fall
Frequently, demodulate, decode, generate audio frequency and video AV signal or HDMI signal send television set to watch, it is achieved that terrestrial DTV user network
Upper request program, the purpose of home television set viewing request program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410543378.6A CN104349218B (en) | 2014-10-15 | 2014-10-15 | Terrestrial DTV two-way interaction VOD system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410543378.6A CN104349218B (en) | 2014-10-15 | 2014-10-15 | Terrestrial DTV two-way interaction VOD system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104349218A CN104349218A (en) | 2015-02-11 |
| CN104349218B true CN104349218B (en) | 2016-08-17 |
Family
ID=52503885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410543378.6A Active CN104349218B (en) | 2014-10-15 | 2014-10-15 | Terrestrial DTV two-way interaction VOD system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104349218B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105392021A (en) * | 2015-12-23 | 2016-03-09 | 武汉鸿瑞达信息技术有限公司 | Massive video pushing system and pushing method thereof |
| CN108768675A (en) * | 2018-04-27 | 2018-11-06 | 佛山市日日圣科技有限公司 | A kind of packet information packet transmission method and device |
| CN109246485A (en) * | 2018-10-17 | 2019-01-18 | 广东省南方数字电视无线传播有限公司 | Programme televised live signal transmitting method and system based on DTMB |
| CN110337004B (en) * | 2019-07-08 | 2021-01-19 | 西安交通大学 | Television program transmission method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102630047A (en) * | 2012-04-13 | 2012-08-08 | 苏州道威信息技术有限公司 | Video-on-demand method |
| CN202551246U (en) * | 2012-03-14 | 2012-11-21 | 深圳市数视通科技股份有限公司 | DYMB (Digital Terrestrial Multimedia Broadcasting) information distribution system |
| CN103856808A (en) * | 2012-11-28 | 2014-06-11 | 中兴通讯股份有限公司 | Audio-and-video signal processing device, playing device, system and method |
| CN103986948A (en) * | 2014-05-15 | 2014-08-13 | 广西师范大学 | Three-network integrated dual-mode intelligent set top box |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103428580A (en) * | 2012-07-06 | 2013-12-04 | 上海数字电视国家工程研究中心有限公司 | Digital television heterogeneous network structure |
| CN103596040B (en) * | 2013-12-03 | 2017-02-15 | 百视通网络电视技术发展有限责任公司 | Television receiving system in double modes of digital television terrestrial multimedia broadcasting and internet |
-
2014
- 2014-10-15 CN CN201410543378.6A patent/CN104349218B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202551246U (en) * | 2012-03-14 | 2012-11-21 | 深圳市数视通科技股份有限公司 | DYMB (Digital Terrestrial Multimedia Broadcasting) information distribution system |
| CN102630047A (en) * | 2012-04-13 | 2012-08-08 | 苏州道威信息技术有限公司 | Video-on-demand method |
| CN103856808A (en) * | 2012-11-28 | 2014-06-11 | 中兴通讯股份有限公司 | Audio-and-video signal processing device, playing device, system and method |
| CN103986948A (en) * | 2014-05-15 | 2014-08-13 | 广西师范大学 | Three-network integrated dual-mode intelligent set top box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104349218A (en) | 2015-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11323539B2 (en) | Apparatus and methods for ensuring delivery of geographically relevant content | |
| US11057670B2 (en) | Wireless IPTV set top box having multiple modems and antennas | |
| US8145124B2 (en) | Method and apparatus to broadcast content to handheld wireless devices via digital set-top-box receivers | |
| CN104349218B (en) | Terrestrial DTV two-way interaction VOD system | |
| US8181210B2 (en) | Method for delivery of deadline-driven content flows over a flow transport system that interfaces with a flow delivery system via a selected gateway | |
| CN102812450A (en) | Methods And Apparatus For Packetized Content Delivery Over A Content Delivery Network | |
| US8255946B2 (en) | Broadcast area authentication | |
| CN103312599A (en) | Multi-network routing gateway system | |
| US8745679B2 (en) | Method for allocating channel resources in a broadband access system during data transfer including multimedia data | |
| CN102547397A (en) | Internet television and intelligent EPG (electronic program guide) system thereof | |
| CN205179273U (en) | Two -way order system based on one -way STB is realized | |
| CN101491003A (en) | Method for interactive internet protocol television | |
| CN204615994U (en) | A kind of mixing broadcasting equipment based on datacasting | |
| CN101707694B (en) | Method and device for realizing data-on-demand of cable television | |
| CN106034257A (en) | Multimedia application system based on radio and television | |
| US11336967B2 (en) | Receiver apparatus, transmitter apparatus, and data processing method | |
| CN103701813A (en) | Method for realizing data dissemination and interaction by combining one-to-all broadcast with bilateral network | |
| CN102547412A (en) | Method, system, terminal and server for sharing TV live programs among users | |
| KR20130090103A (en) | Digital cable broadcast settop box for mobile terminal, the system and transport method thereof | |
| KR20120046911A (en) | Mobile internet protocol television service provision system and method | |
| CN101788878A (en) | Method for outputting content information and display system enabling the method | |
| US20200389707A1 (en) | System for the Transmission of Data for Video and/or Audio in a Defined Area | |
| TELECOMMUNITY | APT REPORT On “TELECOMMUNICATION BROADCASTING CONVERGENCE” | |
| KR101042509B1 (en) | Method for transmitting/receiving digital contents and method for transmitting iptv contents | |
| Choi et al. | Practical Implementation of Interactive Data Broadcasting Services in IPTV over the NGN |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |