CN1980373A - Composition type interacting video-performance system - Google Patents
Composition type interacting video-performance system Download PDFInfo
- Publication number
- CN1980373A CN1980373A CN 200510122061 CN200510122061A CN1980373A CN 1980373 A CN1980373 A CN 1980373A CN 200510122061 CN200510122061 CN 200510122061 CN 200510122061 A CN200510122061 A CN 200510122061A CN 1980373 A CN1980373 A CN 1980373A
- Authority
- CN
- China
- Prior art keywords
- interactive
- program
- engine
- script
- user
- 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.)
- Pending
Links
Abstract
The system is composed of four parts: computer workstation system for editing script, interactive program operation server, interactive program play back terminal, and digital TV program source. Interactive function of system is realized through interactive script, which tells system when and in what mode to interact with audiences of users. Interactive script is existed outside the program source. Interactive function is superposed to program at terminal device when program is played back. Collocation between program and interactive script is chosen based on service logic to aim at dedicated TV users based on making content in interaction mode through Internet, and operation system. Specific interactive program is played back at specific time point of video program in order to avoid asynchronous caused by network time delay. Features are: possessing both interactivity of Internet and easy to use of TV, real time participation, and all-sided participation.
Description
Technical field
The invention belongs to video broadcasting, VOD system, particularly a kind of composition type interacting video-performance system.
Background technology
Present video interactive program as the guess outside the venue of performing in a radio or TV programme in the TV, supporting rate voting, is that as phone, the mobile phone news in brief realize by communication system independently.Like this interactive untimely, being associated property is low, let alone participates in real time and participate in comprehensively.
Summary of the invention
Technical problem to be solved by this invention is: a kind of composition type interacting video-performance system is provided.
This interdynamic video performance system will be realized the comprehensive participation of client to video frequency program, and the user can participate in interactive program in real time in modes such as guess, program competes to broadcast, supporting rate voting, user's enquirement, opinion poll, play-on-demand program, program comment outside the venue.Native system is widely used, as digital television interaction or IPTV program, interactive advertisement, video conference, remote teaching etc.
Technical scheme of the present invention is:
An interdynamic video program is made up of video program source and interaction content two parts.Video program source can be that the digital television program source also can be the streaming media video program source; Program network operator that interaction content is when the broadcast program source and program source is carried out synchronously, take place according to certain sequential and a series of information exchanges between spectators (user), spectators and the spectators.
The interaction content of this system realizes by interactive script, when interactive script tell system, how with user's audience interaction; Interactive script is present in outside the program source, interaction content just in programme replay the program that is added on the terminal equipment; Program can corresponding a plurality of interactive scripts, and the collocation of program and interactive script can be selected according to service logic.
A kind of composition type interacting video-performance system is characterized in that:
Constitute by four parts on this system physical:
1) interactive script layout work station, it is made up of the interactive script arrangement software system of computer of meter and Qi Nei;
2) interactive program Operation Server, it be connected on the IP network computer and according to storehouse and corresponding server software;
3) interactive program playback terminal, interactive program playback terminal have pair hardware of program source decoding, software and can on television set the program of decoding be shown, and an operation control is arranged;
4) program source: digital television program source, flow-medium performance source are arranged;
The interactive program Operation Server connects interactive script layout work station;
Have on the storage facilities of interactive program Operation Server in advance by programmed interactive script of interactive script layout work station and the feedback information that sends by the user;
Interactive program playback terminal is connected to the interactive program Operation Server by IP network, and interactive program playback terminal is connected at least one program source by network.
This composition type interacting performance system method of work:
This system divides is three subsystems:
1) interactive script arranging system is used for layout interactive script both to have made interaction content;
2) interactive program service-Engine is responsible for sending interactive script as required, and receiving feedback information, feedback information is added up;
3) interactive program playback engine is responsible for receiving the interactive script that the interactive program service-Engine sends, and presents interaction content to the user, and field feedback is sent it back the interactive program service-Engine;
Use current XML standard to transmit interactive script and field feedback between service-Engine and the playback engine, the transmission of interactive script both can be clean culture, also can be multicast.
This composition type interacting video-performance system working procedure:
1) interactive script arranging system:
When the interactive script of editing program, the interactive time will appear in selection, the zone of specifying interactive information to occur on picture, interactive information appearance form; One group of such information constitutes an interactive event, and each interactive event comprises following information at least:
Program ID---program code;
Incident Id---Case Number;
Time---the time that the incident generation begins with respect to program;
The duration that duration---incident presents;
Present the zone---the position when presenting to the user on picture;
Content description---to the description of incident, the graph text informations such as operating instruction of user response;
Interaction mechanism---comprise control type, shortcut mapping at least;
A plurality of interactive event of same program are lined up in chronological order, just constitute the interactive event formation of this program; All information translation of interactive event formation are become the XML form, form an interactive script;
2) interactive program service-Engine:
The interactive program service-Engine is in charge of the interactive script on the interactive program Operation Server, and preserves programmable operation flow, service logic and user feedback processing logic;
When receiving that the user asks, select corresponding interactive script to send to all or part user terminal automatically by IP network according to user characteristics and service logic; After receiving the feedback of user, follow according to the user feedback processing logic and handle feedback information automatically interactive event;
3) interactive program playback engine:
The interactive program playback engine is contained in interactive program playback lane terminal, and its function comprises that interactive script receives, interactive event is synchronous, interaction content presents and user feedback; After the reception engine receives the interactive script of interactive program service-Engine transmission, resolve this XML format information, be reduced to the interactive event formation;
The interactive event synchronization engine is used for realizing that programme replay and interactive event are synchronous; This engine obtains program by digital television decoder or stream media play system and carries out the time, and with this time as when triggering which interactive event with reference to decision, notice presents engine then;
Present engine after receiving the notice of synchronization engine, the interactive event that should trigger shows on video pictures with the overlay technology; After the user finishes feedback information by controller, feedback information is comprised information such as user ID, program ID, event id, user feedback content, time send the interactive program service-Engine back to via IP network.
Effect of the present invention is: the characteristics of system
1. this system is special at TV user, based on the interactive content making and the operation system of the Internet, and the content that its is made had both had the interactivity of the Internet, had the ease for use of TV again.
2. traditional video frequency program can only be according to fixing video program play.Doing interactive program also needs interaction content is accomplished in the program, but also will be by phone and note etc.Adopt this technology, interaction content separates with the source program, can be as required at any time, edition and interaction content flexibly, and the source program is not subjected to any destruction.
3. for flow-medium performance, because the delay of network, the playing sequence of different programs is difficult to control.The particular point in time that can be implemented in video frequency program by this technology is play specific interactive program, avoids because that problems such as network delay are brought is asynchronous.
4. this technology makes full use of the interaction feature of IP network, realizes that interaction is integrated, and the user is by remote controller, and simple operations participates in interactive.Adopt computer technology realization and user to carry out interactive automation, and the feedback information of recording user, the interaction systems reliability of applying further improved, practicality.
The interaction of traditional TV programme need for example be made a phone call by other instrument, the mode of short-message sending.And needing the people receives calls and receives short message and guarantee interactive operation.
5. by this technology, operator can be when Promgramming be operated, self-defined operation flow, decision is at what interaction content of insertion when of what video frequency program, and the mode of these interaction contents with interactive script stored, can also revise wherein any link repeatedly, the convenient interactive program of making.Operator can adjust the layout of program at any time according to the playing programs strategy like this.The user can also select to close and open interactive program.
6. consider the area, the otherness of nationality etc., same program may need different interaction contents, adopts this technology, and in conjunction with automatic technology, it is personalized, intelligent that interactive program is realized.Compare other traditional product more perfect function.
7. the service logic that operator can self-defined feedback processing makes system produce the feedback processing result automatically according to feedback record, and notifies user etc. automatically.For operator, can rely on this technology and automatically carry out alternately, and preserve and the process user feedback information, save many spendings with the user.
Description of drawings
Fig. 1 is the formation structured flowchart of the system of composition type interacting video-performance system
Fig. 2 is the block diagram of composition type interacting video-performance system operation principle
Fig. 3 is the interactive Filter program diagram synchronously of the structure of composition type interacting video-performance system
Embodiment
System description
The interaction function of this system realizes by interactive script, and how and user (spectators) interaction when interactive script tell system.Interactive script is present in outside the program source, interaction function just in programme replay the program that is added on the terminal equipment.Program can corresponding a plurality of interactive scripts, and the collocation of program and interactive script can be selected according to service logic.
This interdynamic video performance system physically constitutes (see figure 1) by four parts:
1. interactive script layout work station is made up of a computer and interactive script arrangement software system.
The interactive program Operation Server be one or several be connected on the IP network computer and according to storehouse and corresponding server software.There are prior programmed interactive script and field feedback on the storage facilities of this server.
3. interactive playback terminal need satisfy following requirement: can be connected to the interactive program Operation Server by IP network, can be connected to the flow-medium performance source or be connected to the digital television program source by IP network by digital tv network, there are pair hardware of program source decoding or software also can on television set, the program of decoding be shown, an operation control (as infrared or Digiplex) is arranged.Typical this kind equipment has IPTV set-top box and digital TV set-top box.
4. program source is digital television program source or flow-medium performance source;
The interactive program Operation Server connects interactive script layout work station;
Have on the storage facilities of interactive program Operation Server in advance by programmed interactive script of interactive script layout work station and the feedback information that sends by the user;
Interactive program playback terminal is connected to the interactive program Operation Server by IP network, and interactive program playback terminal is connected at least one program source by network.
Interactive program system works principle:
This system is divided into three subsystems from function as shown in Figure 2:
1. interactive script arranging system is used for layout interactive script both to have made interaction content;
2. interactive program service-Engine is responsible for sending interactive script as required, and receiving feedback information, feedback information is added up;
3. the interactive program playback engine is responsible for receiving the interactive script that the interactive program service-Engine sends, and presents interaction content to the user, and field feedback is sent it back the interactive program service-Engine;
Use current XML standard to transmit interactive script and field feedback between service-Engine and the playback engine, the transmission of interactive script both can be clean culture, also can be multicast.Introduce the specific implementation technology below.
1. interactive script arranging system:
When the interactive script of editing program, the interactive time will appear in selection, the zone of specifying interactive information to occur on picture, interactive information appearance form etc.One group of such information constitutes an interactive event, and each interactive event comprises following information at least:
Program ID---program code;
Event id---Case Number;
Time---the time that the incident generation begins with respect to program;
The duration that duration---incident presents;
Present the zone---the position when presenting to the user on picture;
Content description---to the description of incident, the graph text informations such as operating instruction of user response;
Interaction mechanism---comprise control type (dialog box, multidirectional selection, literal feedback etc. in this way/not), shortcut mapping (button on keyboard, the remote controller and the corresponding relation of control) etc.
A plurality of interactive event of same program are lined up in chronological order, just constitute the interactive event formation of this program.All information translation of interactive event formation are become the XML form, form an interactive script.
2. interactive program service-Engine:
The interactive program service-Engine is in charge of the interactive script on the interactive program Operation Server, and preserves programmable operation flow, service logic and user feedback processing logic.
When receiving that the user asks, select corresponding interactive script to send to all or part user terminal automatically by IP network according to user characteristics and service logic.After receiving the feedback of user, follow according to the user feedback processing logic and handle feedback information automatically interactive event.
3. interactive program playback engine:
The interactive program playback engine is contained in interactive program playback lane terminal, and its function comprises that interactive script receives, interactive event is synchronous, interaction content presents and user feedback; After the reception engine receives the interactive script of interactive program service-Engine transmission, resolve this XML format information, be reduced to the interactive event formation.
The interactive event synchronization engine is used for realizing that programme replay and interactive event are synchronous.This engine obtains program by digital television decoder or stream media play system and carries out the time, and with this time as when triggering which interactive event with reference to decision.
With the Gstreamer on DirectShow on the windows platform and the LINUX platform is example, and we can utilize an audio frequency Filter assembly, is connected to audio decoder Filter back (see figure 3), to obtain voice data, realizes synchronously.Select audio frequency to come synchronizing information to be because the audio frequency occupied bandwidth is few, poor to the tolerance of mistake, video server preferentially transmits voice data, so the quality of audio frequency is than the easier assurance of video.This Filter can obtain time tag on the voice data of input, this timestamp is very important to interaction content synchronously.
The interactive function of Filter synchronously is:
Obtain next interactive event in the interactive event formation, relatively at this moment the triggered time of the time of audio frequency and this interactive event, present engine if both differences less than a certain fixed threshold, are then notified.
Present engine after receiving the notice of synchronization engine, the interactive event that should trigger shows on video pictures with the overlay technology.After the user finishes feedback information by controller, feedback information is comprised information such as user ID, program ID, event id, user feedback content, time send the interactive program service-Engine back to via IP network.
Claims (5)
1, a kind of composition type interacting video-performance system is characterized in that:
Constitute by four parts on this system physical:
1) interactive script layout work station, it is made up of the interactive script arrangement software system of computer of meter and Qi Nei;
2) interactive program Operation Server, it be connected on the IP network computer and according to storehouse and corresponding server software;
3) interactive program playback terminal, interactive program playback terminal have pair hardware of program source decoding, software and can on television set the program of decoding be shown, and an operation control is arranged;
4) program source: digital television program source, flow-medium performance source are arranged;
The interactive program Operation Server connects interactive script layout work station;
Have on the storage facilities of interactive program Operation Server in advance by programmed interactive script of interactive script layout work station and the feedback information that sends by the user;
Interactive program playback terminal is connected to the interactive program Operation Server by IP network, and interactive program playback terminal is connected at least one program source by network.
2, composition type interacting video-performance system according to claim 1 is characterized in that:
Interactive program playback terminal is connected to the flow-medium performance source by IP network.
3, composition type interacting video-performance system according to claim 1 is characterized in that:
Interactive program playback terminal is connected to the digital television program source by digital tv network.
4, composition type interacting video-performance system according to claim 1 is characterized in that:
This composition type interacting performance system method of work:
This system divides is three subsystems:
1) this arranging system is used for layout interactive script both to have made interaction content;
2) interactive program service-Engine is responsible for sending interactive script as required, and receiving feedback information, feedback information is added up;
3) interactive program playback engine is responsible for receiving the interactive script that the interactive program service-Engine sends, and presents interaction content to the user, and field feedback is sent it back the interactive program service-Engine;
Use current XML standard to transmit interactive script and field feedback between service-Engine and the playback engine.
5, according to claim 1 or 4 or 5 described composition type interacting video-performance systems, it is characterized in that:
This composition type interacting video-performance system working procedure:
1) interactive script arranging system:
When the interactive script of editing program, the interactive time will appear in selection, the zone of specifying interactive information to occur on picture, interactive information appearance form; One group of such information constitutes an interactive event, and each interactive event comprises following information at least:
Program ID---program code;
Event id---Case Number;
Time---the time that the incident generation begins with respect to program;
The duration that duration---incident presents;
Present the zone---the position when presenting to the user on picture;
Content description---to the description of incident, the graph text informations such as operating instruction of user response;
Interaction mechanism---comprise the control type at least, the shortcut mapping;
A plurality of interactive event of same program are lined up in chronological order, just constitute the interactive event formation of this program; All information translation of interactive event formation are become the XML form, form an interactive script;
2) interactive program service-Engine:
The interactive program service-Engine is in charge of the interactive script on the interactive program Operation Server, and preserves programmable operation flow, service logic and user feedback processing logic;
When receiving that the user asks, select corresponding interactive script to send to all or part user terminal automatically by IP network according to user characteristics and service logic; After receiving the feedback of user, follow according to the user feedback processing logic and handle feedback information automatically interactive event;
3) interactive program playback engine:
The interactive program playback engine is contained in interactive program playback lane terminal, and its function comprises that interactive script receives, interactive event is synchronous, interaction content presents and user feedback; After the reception engine receives the interactive script of interactive program service-Engine transmission, resolve this XML format information, be reduced to the interactive event formation;
The interactive event synchronization engine is used for realizing that programme replay and interactive event are synchronous; This engine obtains program by digital television decoder or stream media play system and carries out the time, and with this time as when triggering which interactive event with reference to decision, notice presents engine then;
Present engine after receiving the notice of synchronization engine, the interactive event that should trigger demonstrates interactive information with the overlay technology on video pictures; After the user finishes feedback information by controller, feedback information is comprised information such as user ID, program ID, event id, user feedback content, time send the interactive program service-Engine back to via IP network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510122061 CN1980373A (en) | 2005-12-01 | 2005-12-01 | Composition type interacting video-performance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510122061 CN1980373A (en) | 2005-12-01 | 2005-12-01 | Composition type interacting video-performance system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1980373A true CN1980373A (en) | 2007-06-13 |
Family
ID=38131339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510122061 Pending CN1980373A (en) | 2005-12-01 | 2005-12-01 | Composition type interacting video-performance system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1980373A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217633B (en) * | 2007-01-04 | 2011-04-20 | 华为技术有限公司 | A method and system realizing stream media interaction |
| CN101868974B (en) * | 2007-09-19 | 2012-07-18 | 韩国电子通信研究院 | System and method for interactive iptv broadcasting service of user participation |
| CN102833490A (en) * | 2011-06-15 | 2012-12-19 | 新诺亚舟科技（深圳）有限公司 | Method and system for editing and playing interactive video, and electronic learning device |
| CN103067747A (en) * | 2011-10-20 | 2013-04-24 | 安美世纪（北京）科技有限公司 | Interactive digital TV display mode |
| CN103108248A (en) * | 2013-01-06 | 2013-05-15 | 王汝迟 | Interactive video implement method and system using the same |
| CN105100873A (en) * | 2015-08-29 | 2015-11-25 | 天脉聚源（北京）科技有限公司 | Method and device for synthesizing interaction signal |
| CN105163161A (en) * | 2015-08-29 | 2015-12-16 | 天脉聚源（北京）科技有限公司 | Method and device for playing interaction signal |
| CN105307047A (en) * | 2015-10-15 | 2016-02-03 | 三星电子（中国）研发中心 | Television terminal based service operating method and system |
| CN105307042A (en) * | 2015-10-28 | 2016-02-03 | 天脉聚源（北京）科技有限公司 | Method and device for setting interactive information for television interactive system |
| CN106454428A (en) * | 2015-08-12 | 2017-02-22 | 财团法人资讯工业策进会 | Method and system for correcting interaction time in live program |
| CN106713999A (en) * | 2016-12-31 | 2017-05-24 | 天脉聚源（北京）科技有限公司 | Method and apparatus of displaying competitor information |
| CN107172476A (en) * | 2017-06-09 | 2017-09-15 | 创视未来科技（深圳）有限公司 | A kind of system and implementation method of interactive script recorded video resume |
| CN109348271A (en) * | 2018-11-11 | 2019-02-15 | 广州青鹿教育科技有限公司 | It is grouped the processing interactive approach of two-way interactive HD video |
| CN111163342A (en) * | 2020-01-14 | 2020-05-15 | 恒信东方文化股份有限公司 | Intelligent interaction system and method thereof |
| CN113973218A (en) * | 2021-10-20 | 2022-01-25 | 湖南快乐阳光互动娱乐传媒有限公司 | Interactive video generation method, client and script server |
| WO2024055689A1 (en) * | 2022-09-15 | 2024-03-21 | 华为技术有限公司 | Interaction method and apparatus for streaming media |
-
2005
- 2005-12-01 CN CN 200510122061 patent/CN1980373A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217633B (en) * | 2007-01-04 | 2011-04-20 | 华为技术有限公司 | A method and system realizing stream media interaction |
| CN101868974B (en) * | 2007-09-19 | 2012-07-18 | 韩国电子通信研究院 | System and method for interactive iptv broadcasting service of user participation |
| CN102833490A (en) * | 2011-06-15 | 2012-12-19 | 新诺亚舟科技（深圳）有限公司 | Method and system for editing and playing interactive video, and electronic learning device |
| CN103067747A (en) * | 2011-10-20 | 2013-04-24 | 安美世纪（北京）科技有限公司 | Interactive digital TV display mode |
| CN103108248B (en) * | 2013-01-06 | 2016-04-27 | 王汝迟 | A kind of implementation method of interactive video and system |
| CN103108248A (en) * | 2013-01-06 | 2013-05-15 | 王汝迟 | Interactive video implement method and system using the same |
| CN106454428A (en) * | 2015-08-12 | 2017-02-22 | 财团法人资讯工业策进会 | Method and system for correcting interaction time in live program |
| CN105100873A (en) * | 2015-08-29 | 2015-11-25 | 天脉聚源（北京）科技有限公司 | Method and device for synthesizing interaction signal |
| CN105163161A (en) * | 2015-08-29 | 2015-12-16 | 天脉聚源（北京）科技有限公司 | Method and device for playing interaction signal |
| CN105307047A (en) * | 2015-10-15 | 2016-02-03 | 三星电子（中国）研发中心 | Television terminal based service operating method and system |
| CN105307047B (en) * | 2015-10-15 | 2018-11-20 | 三星电子（中国）研发中心 | A kind of method for operating traffic thereof and system based on television terminal |
| CN105307042A (en) * | 2015-10-28 | 2016-02-03 | 天脉聚源（北京）科技有限公司 | Method and device for setting interactive information for television interactive system |
| CN106713999A (en) * | 2016-12-31 | 2017-05-24 | 天脉聚源（北京）科技有限公司 | Method and apparatus of displaying competitor information |
| CN107172476A (en) * | 2017-06-09 | 2017-09-15 | 创视未来科技（深圳）有限公司 | A kind of system and implementation method of interactive script recorded video resume |
| CN107172476B (en) * | 2017-06-09 | 2019-12-10 | 创视未来科技（深圳）有限公司 | System for recording video resume by interactive script and implementation method |
| CN109348271A (en) * | 2018-11-11 | 2019-02-15 | 广州青鹿教育科技有限公司 | It is grouped the processing interactive approach of two-way interactive HD video |
| CN111163342A (en) * | 2020-01-14 | 2020-05-15 | 恒信东方文化股份有限公司 | Intelligent interaction system and method thereof |
| CN113973218A (en) * | 2021-10-20 | 2022-01-25 | 湖南快乐阳光互动娱乐传媒有限公司 | Interactive video generation method, client and script server |
| CN113973218B (en) * | 2021-10-20 | 2024-04-30 | 湖南快乐阳光互动娱乐传媒有限公司 | Interactive video generation method, client and script server |
| WO2024055689A1 (en) * | 2022-09-15 | 2024-03-21 | 华为技术有限公司 | Interaction method and apparatus for streaming media |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1980373A (en) | Composition type interacting video-performance system | |
| CN105338425B (en) | A kind of system and method for realizing video seamless switching between multi-screen | |
| US20010013123A1 (en) | Customized program creation by splicing server based video, audio, or graphical segments | |
| CN100429901C (en) | Method and structure for realizing live channel switching in Internet protocol audio-video broadcast network | |
| CN105354002B (en) | A kind of system and method for realizing video seamless switching between multi-screen | |
| US20020194589A1 (en) | Technique for optimizing the delivery of advertisements and other programming segments by making bandwidth tradeoffs | |
| US20140344854A1 (en) | Method and System for Displaying Speech to Text Converted Audio with Streaming Video Content Data | |
| CN101336538A (en) | Internet protocol (ip) television | |
| US20150020099A1 (en) | Set top box interaction method and related set top box system | |
| CN102461165A (en) | System and method for an active video electronic programming guide | |
| CN103096128B (en) | A kind of realize the method for video interactive, server, terminal and system | |
| CN103686219A (en) | Method, device and system for recording and broadcasting video conference | |
| US20160191971A1 (en) | Method, apparatus and system for providing supplemental | |
| CN101141617A (en) | Session television on-demand system and method | |
| US10313724B1 (en) | Media-broadcasting system with broadcast schedule simulation feature | |
| US7043747B1 (en) | Methods and apparatus for information broadcasting and reception | |
| CN115086746B (en) | Video polling method for live system, live system and electronic equipment | |
| US9043852B2 (en) | Methods, devices, and computer program products for providing instant messaging in conjunction with an audiovisual, video, or audio program | |
| US20080222672A1 (en) | Monitoring of a Broadcast Signal | |
| CN205230019U (en) | System for realize video seamless handover between many screens | |
| EP2341680B1 (en) | Method and apparatus for adaptation of a multimedia content | |
| JP2013009359A (en) | Broadcasting communication cooperation reception device | |
| AU2014338814A1 (en) | Multipoint broadcast method | |
| CN103780923A (en) | System and method for multi-image playing based on webpage | |
| RU2400940C9 (en) | Method for synchronous reproduction of interactive data |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |