CN1976440B - A method and system for accurately locating playback progress in IPTV - Google Patents
A method and system for accurately locating playback progress in IPTV Download PDFInfo
- Publication number
- CN1976440B CN1976440B CN2006101241509A CN200610124150A CN1976440B CN 1976440 B CN1976440 B CN 1976440B CN 2006101241509 A CN2006101241509 A CN 2006101241509A CN 200610124150 A CN200610124150 A CN 200610124150A CN 1976440 B CN1976440 B CN 1976440B
- Authority
- CN
- China
- Prior art keywords
- program
- assist location
- user
- location picture
- picture
- 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.)
- Expired - Fee Related
Links
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
A method for precisely positioning play progress in IPTV includes packing up a numbers of frame pictures at each interval on appointed time interval from program source, sending information as of these programs to EPG system server after said frame pictures are processed and compressed, setting said information in corresponding program and using it as part of program information, finding out a numbers of frame pictures in EPG program information at the same time section with time as cursor-pointed when cursor controlled by user is moved on play progress column after program is on-demand by user then displaying said pictures on screen.
Description
Technical field
The invention belongs to the Web TV technical field, relate in particular to a kind of for the request program among the IPTV provide blanking time section a frame or number frame picture more accurately locate and jump to the method that the target location is watched to help the user.
Background technology
IPTV, a kind of television system of IP based network.IPTV utilizes the infrastructure of broadband internet, is main terminal with domestic television set, computer, and multiple Digital Media business and the value-added service thereof that comprises TV programme is provided for the user.
Net cast, time-moving television and video request program are three key businesses of IPTV.Prior art generally believes, the VOD service of extensive commercial IPTV is fit to use the Streaming Media scheme and in conjunction with the CDN content distribution techniques.
Streaming Media (Streaming Media) is meant and uses the stream transmission technology to carry out the transmission of media file in network.The user needn't wait whole downloads to finish, and only need wait for that a bit of time just can begin to watch, and the backstage can continue the remainder of media file is downloaded the continuity of watching to guarantee when you watch.
The sharpest edges of IPTV are that its " interactive " reaches the rating idea of " watching as required ".In order to realize its characteristics, the IPTV system need provide the interface with user interactions, browses programme information for the user.EPG (Electronic Program Guide electronic program guides) system that Here it is.
When the user uses video request program (VOD) service of IPTV, at first understand the information of optional request program, confirm to pass through EPG system on-demand program after the program request by the EPG system.After some intermediate links such as authentication, charging, server transmits the video flowing of the media file of program request to the user.
In playing process, sometimes the user need play by a certain moment that control strip navigates to media file, because the characteristics of Streaming Media transmission, download as yet the position that navigates to of user probably, system will need to download the video data that this begins constantly from server again so, and cushion again, this will cause long time-delay.
In addition, even more important problem is that the user does not have any and the playing progress bar on-demand media file-related information in the face of one fully, can only be according to the target location of feeling to locate oneself except the time.And this will cause the user to position repeatedly for accurately navigating to a certain ad-hoc location sometimes.This will be one rather meaningless and influence the operation of user experience sensation, if the situation that above-mentioned needs cushion again occurs when the location, user experience will be subjected to great influence.
Summary of the invention
One of the object of the invention be propose a kind of like this in IPTV the accurate method of positioning playing progress, in order to solve the problem that prior art exists.
Two of purpose of the present invention provide a kind of in IPTV the accurate system of positioning playing progress.
Realize that the technical scheme that goal of the invention one is adopted is: this method may further comprise the steps:
A.IPTV system backstage obtains program source (video media file) except carrying out its original work of treatment (generating the file of the video format that is fit to this IPTV system), carry out work of the presently claimed invention, by the time interval of medium processing server with agreement, in each interval, extract some frame pictures, and handle, compress;
B. the distribution technology that the rapid described processed video file of previous step and frame picture picture file are adopted by the VOD VOD system is distributed to each regional edge media server and the EPG server that the user inserts part respectively.
C. the user insert the part the edge media server be responsible for providing the order video service to the user, and the EPG server is except providing traditional electronic program guides service to the user, also will manage and make it work out into corresponding program the frame picture picture that branch is sent, as the part of this programme information, use for the user;
D. the user is behind user side program request program, above-mentioned programme information will be downloaded to this locality, when user's control cursor moves on on the playing progress bar, local correlation module will be according to the pairing moment of position of control cursor, find out in the above-mentioned EPG programme information and these some frame pictures that are in the mutually same time period constantly, be presented on the screen window foremost.
The groundwork on described IPTV system backstage is:
1) the program source media file enters medium process module (mainly carrying out work such as program coding, compression);
2) the program source media file is carried out by certain hour at interval and the operation of rule extraction frame picture;
3) the picture picture that is extracted will be handled, and handle, compresses, will pack according to the resolution, the image quality that are fit to, and indicate which program goes up it belongs to;
4) the frame picture after will handling is sent to the EPG server by distribution networks.
Described medium processing server mainly comprises two logical construction functional modules, be respectively video coding/compression module and positioning indicating picture making module, video coding/compression module is used for original program source video is generated the program video file, and assist location picture making module is used for original program source video is generated the assist location picture file.
Described EPG server and edge media server together are deployed in the user and insert part, the edge media server transmits the video flowing of request program to the user, the EPG server is except providing traditional EPG-related functions to the user, in the present invention, it mainly is the assist location picture file that sends this request program to the user.
The concrete work of described EPG server is:
1) receives assist location picture file from the backstage;
2) according to sign, with its original EPG associating information with corresponding program;
3) after the user determines this program of program request, the assist location picture file of program correspondence is transferred to subscriber's local.
Described user side comprises display terminal (TV or computer) and set-top box, has the positioning indicating module on the set-top box, and after set-top box was sent the request of request program to the VOD VOD system, the edge media server transmitted the video flowing of request program to the user; The EPG server sends the assist location picture file of this request program to the user simultaneously; Set-top box is in the beginning buffered video stream and begin broadcast after buffering finishes, and the assist location picture file of while from this request program of EPG server will be existed in the memory of set-top box.
Realize that the technical scheme that goal of the invention two is adopted is: a kind of in IPTV the accurate system of positioning playing progress, mainly by IPTV system backstage, distribution networks, the user inserts the edge media server of part and forms with EPG server and user side, it is characterized in that described IPTV system backstage comprises original program source and medium processing server, the medium processing server is the central apparatus on IPTV system backstage, it mainly comprises two logical construction functional modules, be respectively video coding/compression module and positioning indicating picture making module, the medium processing server generates program video file and assist location picture file by video coding/compression module and positioning indicating picture making module respectively with original original program source; Distribution networks is advised the distribution of video frequency program by system program video file and assist location picture file is distributed to edge media server and the EPG server that the user inserts part respectively;
Described user inserts in the part, and the edge media server is to the video flowing of user side transmission request program, and the EPG server sends the assist location picture file of this request program to user side;
Described user side mainly comprises display terminal (TV or computer) and set-top box, has the positioning indicating module on the set-top box, and after set-top box was sent the request of request program to the VOD VOD system, the edge media server transmitted the video flowing of request program to the user; The EPG server sends the assist location picture file of this request program to the user simultaneously; Set-top box is in the beginning buffered video stream and begin broadcast after buffering finishes, and the assist location picture file of while from this request program of EPG server will be existed in the memory of set-top box;
Described positioning indicating module has following function: 1. if M1 user controls cursor and rests on the M3 playing progress bar, catch the pairing broadcast in its position constantly; 2. surpass agreement constantly if the user controls a certain position that cursor rests on the progress bar, above cursor, create a M2 assist location picture and show forms; 3. by being chosen in being shown in the M2 assist location picture demonstration forms after the broadcast that captures in the function 1 constantly in the assist location picture file in the memory near the picture in this moment.
The beneficial effect that the present invention reaches: the form with picture has been pointed out the user, the general play content of the moment that user's cursor stops.Make the position that the user can more accurately navigate to oneself to be needed, the present invention has simultaneously also reduced the location that the user causes non-target location, and having improved it needs repeated attempt just can find the situation of target location, has promoted user experience quality greatly.
Description of drawings
Fig. 1 is the theory structure block diagram of the inventive method;
Fig. 2 be in the embodiment of the inventive method user side when request program, the main flow chart of edge media server and EPG server interaction;
Fig. 3 is the operating structure schematic diagram of user side in the embodiment of the inventive method.
Embodiment
Describe specific embodiments of the present invention in detail below with reference to accompanying drawing.
This embodiment at be the VOD demand (telecommunication) service of IPTV, do not relate to the known technology of the IPTV of the invention process flow process for part, will be not at this detailed description.
Fig. 1 has mainly described 4 parts:
Part 1 is an IPTV system back partition, and it is responsible for the picture file that needs in the inventive method is handled and generated to request program source video 11, will the main logical construction parts of this part be introduced below.
The central apparatus on IPTV system backstage is a medium processing server 12, and it mainly comprises two logical construction functional modules, is respectively video coding/compression module 13 and assist location picture making module 14.
In traditional VOD system, the video format that compliance with system requires must be encoded, be compressed into to program source video 11, resupplies the user and watch, this function will be realized by video coding/compression module among the figure 13.And passing through of proposing among the present invention shows that the picture picture of intercepting reaches in the service that assisted user carries out the progress location, and its picture picture that needs will be made by assist location picture making module 14.Its idiographic flow is: be at interval with the time T, take out a frame picture at every turn; With the resolution that is fit to, image quality to the picture picture handle, compress (herein " resolution, the image quality that are fit to " will according to this service at purposes and general user big or small formulation of display screen of using).
Part 2 is the distribution/backbone network 20 of VOD demand (telecommunication) service, prior art generally believes that the VOD VOD system of IPTV should adopt the CDN distribution technology, program source is distributed to Edge Server near the user, and distribution procedure will use the known distribution technology of VOD system, so detailed description no longer.
Part 3 inserts part for the user, the user inserts part and is responsible for when the user provides Video service with other value-added services and in deployment according to city size, geographical position etc. are divided into a plurality of zones (contiguous broadband cell can be used as a zone as or several), in application examples of the present invention, the zone that the user inserts part mainly comprises one or number edge of table media server 31 and EPG server 32 and the network that links to each other with user side, edge media server 31 is to the program video file 15 of user side transmission request program, and EPG server 32 sends the traditional electronic program guide information and the assist location picture file 16 of this request program of the present invention to user side.
Part 4 is a user side, mainly comprise display terminal (TV or computer) 41 and set-top box 42, have positioning indicating module 47 on the set-top box, set-top box 42 is to the VOD VOD system (content that does not relate to digital copyright management in application examples of the present invention, so on-demand process is not described) send the request of request program after, edge media server 31 transmits the program video file 15 of request program to the user; The EPG server sends the assist location picture file 16 of this request program to the user simultaneously; Set-top box 42 is in the beginning buffered video stream and begin broadcast after buffering finishes, and the assist location picture file 16 of while from this request program of EPG server 32 will be existed in the memory of set-top box 42.
In the VOD of IPTV VOD system, edge media server 31 is responsible for providing order video to the user, and this application of known IPTV VOD system technology does not describe in detail.
The assist location picture file of making at IPTV system back partition 16 will be transferred to EPG (electronic program guides) server 32, and server stores thus.
Below be the whole service flow process of Fig. 1:
1. original program source video 11 is transferred to medium processing server 12;
2. the original program source video of handling through the video coding/compression module in the medium processing server 12 13 11 generates program video file 15;
3. when 2. taking place, the assist location picture making module 14 in the medium processing server 12 generates assist location picture file 16 by handling original program source video;
4. the program video file of making 15 enters distribution/backbone network, by system the distribution rules of video frequency program is distributed;
5. the assist location picture file of making 16 enters distribution/backbone network, by system the distribution rules of this class file is distributed;
6. 31 receptions of edge media server are from the program video file 15 of distributing network;
7. 32 receptions of EPG server are from the assist location picture file 16 of the program of distributing network, and this will be complete all assist location picture files 16 of corresponding program;
8. the user will will carry out alternately with server in the process of request program, comprise the request that sends the program request program, from edge media server 31 obtain program request video, use the EPG electronic program guides, obtain on the EPG server 32 assist location picture file 16 etc., this step will be described in detail in Fig. 2.
Fig. 2 has showed user side when request program, with the main flow process of edge media server and EPG server interaction.User side will select to use the structure of TV+set-top box to be described in the present embodiment, and for all the other user terminals, interactive mode roughly the same.
User side nucleus equipment set-top box 42 and display terminal 41 (being TV among the figure) are connected, and are responsible in display terminal output picture image and to the control of IPTV system subscriber terminal, transmission, most of work such as mutual; For realizing purpose of the present invention, will add a positioning indicating module 47 in set-top box 42, its workflow is referring to Fig. 3.
Below be the interaction flow of user side and edge media server 31, EPG server 32:
1. the user sends the operation of request program A to set-top box 42 by controller;
2. set-top box 42 is sent the request (technology that user identity, Authority Verification etc. relate to known IPTV digital publishing rights system does not relate to content of the present invention, will no longer describe in detail) of request program A to the VOD VOD system;
3. edge media server 31 transmits the video flowing (program video file 15) of request program to the user; EPG server 32 sends the assist location picture file 16 of this request program to the user simultaneously; Machine
Top box 42 is in the beginning buffered video stream and begin broadcast after buffering finishes, and the assist location picture file 16 of while from this request program of EPG server 32 will be existed in the memory of set-top box 42.
Fig. 3 has showed the service that the inventive method is set forth, in the flow process of user side use.
In broadcast, the assist location picture file that is provided by EPG server 32 has been stored in the memory of set-top box 42 program that suppose user's program request this moment;
Positioning indicating module 47 is the functional modules in the set-top box 42, is responsible for the operation of service set forth in the present invention; Its function comprises: 1, if the user controls cursor 48 and rests on the playing progress bar 41, catch the pairing broadcast in its position constantly; 2, surpass agreement constantly if the user controls a certain position that cursor 48 rests on the progress bar 41, above cursor, create an assist location picture and show forms 49; 3, by being chosen in being shown in the assist location picture demonstration forms 49 after the broadcast that captures in the function 1 constantly in the assist location picture file 16 in the memory of set-top box 42 near the picture in this moment.
The user controls cursor 48 and sends control signal by customer controller and control it and move; When it hovers over playing progress bar 41, catch the broadcast moment of its sensing by positioning indicating functional module 47; When it hovered above the designated time, carry out the operation that shows the assist location picture by positioning indicating module 47.
Assist location picture display window 49 when the user controls cursor 48 after hovering above the designated time on the playing progress bar 41, is created this window by positioning indicating module 47, imports the assist location picture file 16 that show simultaneously.
Playing progress bar 41 real-time tracking video program play progresses; When user's cursor 48 is clicked this progress bar, program will jump to the position moment corresponding of this click and restart to play.
The inventive method is in the workflow of user side:
1. user 46 transmits control signal 43 by controller to set-top box 42, and the corresponding function module of set-top box is made reflection to control signal, carries out corresponding actions;
2. when the user moved control cursor 48 and hovers it on playing progress bar 41, positioning indicating functional module 47 was obtained the pairing broadcast moment of progress bar position of this cursor pointing;
3. after the user controls cursor 48 and hovers above the designated time, positioning indicating functional module 47 generates assist location picture display window 49 near above the cursor, and from the memory of set-top box 42, call in suitable assist location picture file 16, be shown in the assist location picture display window 49.
Claims (7)
1. accurate method of positioning playing progress in IPTV is characterized in that this method may further comprise the steps:
A.IPTV system backstage with the time interval of agreement, extracts the picture of some frames in each interval from program source, the picture of described extraction is as the assist location picture;
B. after described assist location picture being handled, is compressed by resolution of setting and image quality by the medium processing server on IPTV system backstage, described assist location picture is sent to the EPG server as programme information, and manage by the EPG server described assist location picture is worked out into corresponding program, as the part of programme information;
C. the user is behind user side program request program, the edge media server is to the program video file of user side transmission request program, the EPG server sends the assist location picture of electronic program guide information and described request program to user side, programme information is downloaded to this locality, when the user controls cursor and moves on on the playing progress bar, positioning indicating functional module in the set-top box is obtained the pairing broadcast moment of progress bar position of this cursor pointing, if the control cursor hovers surpasses the designated time, the positioning indicating functional module generates assist location picture display window above described cursor, and from the memory of set-top box, call in the assist location picture that is in the mutually same time period in the programme information with this constantly, described assist location picture is presented on the screen window foremost.
2. the accurate method of positioning playing progress among the IPTV according to claim 1 is characterized in that the operation on described IPTV system backstage comprises:
1) the program source media file enters medium process module;
2) the program source media file is carried out by certain hour at interval and the operation of rule extraction frame picture;
3) the picture picture that is extracted is handled as the assist location picture, encoded, compress, pack, and sign is gone up its affiliated program according to resolution, the image quality set;
4) the assist location picture after will handling is sent to the EPG server that the user inserts part by distribution networks.
3. the method for accurate positioning playing progress among the IPTV according to claim 1 and 2, it is characterized in that the medium processing server comprises two logical construction functional modules, be respectively video coding/compression module and assist location picture making module, video coding/compression module is used for original program source video is generated the program video file, and assist location picture making module is used for original program source video is generated the assist location picture file.
4. the method for accurate positioning playing progress among the IPTV according to claim 1 and 2 is characterized in that the operation of described EPG server comprises:
1) receives assist location picture file from the backstage;
2), that it is related with corresponding program according to sign;
3) after the user determines this program of program request, the assist location picture file of program correspondence is transferred to subscriber's local.
5. the method for accurate positioning playing progress among the IPTV according to claim 4, it is characterized in that described EPG server and edge media server together are deployed in the user and insert part, the edge media server transmits the video flowing of request program to the user, and the EPG server sends the assist location picture file of this request program to the user.
6. the method for accurate positioning playing progress among the IPTV according to claim 1, it is characterized in that described user side comprises display terminal and set-top box, set-top box is provided with the positioning indicating module, after set-top box was sent the request of request program to the EPG server, the edge media server transmitted the video flowing of request program to the user; The EPG server sends the assist location picture file of this request program to the user simultaneously; Set-top box begins buffered video stream and begins after buffering finishes to play, and the assist location picture file of while from this request program of EPG server existed in the memory of set-top box.
7. accurate system of positioning playing progress in IPTV, mainly by IPTV system backstage, distribution networks, edge media server and EPG server and user side are formed, it is characterized in that described IPTV system backstage comprises original program source and medium processing server, the medium processing server is the central apparatus on IPTV system backstage, it mainly comprises two logical construction functional modules, be respectively video coding/compression module and positioning indicating picture making module, the medium processing server generates program video file and assist location picture file by video coding/compression module and positioning indicating picture making module respectively with the original program source, described generation assist location picture comprises: from program source, with the time interval of agreement, in each interval, extract the picture of some number frames, the picture of described extraction is as the assist location picture, and described medium processing server is handled described assist location picture by resolution and the image quality set, compression; Distribution networks is distributed to EPG server to the distribution rules of video frequency program with program video file and assist location picture file by system;
Described EPG server and edge media server together are deployed in the user and insert part, and the edge media server transmits the video flowing of request program to the user, and the EPG server sends the assist location picture file of this request program to the user;
Described user side mainly comprises display terminal and set-top box, and set-top box is provided with the positioning indicating module, and after set-top box was sent the request of request program to the EPG server, the edge media server transmitted the video flowing of request program to the user; The EPG server sends the assist location picture file of this request program to the user simultaneously; Set-top box begins buffered video stream and begins after buffering finishes to play, and the assist location picture file of while from this request program of EPG server existed in the memory of set-top box;
Described positioning indicating module is carried out following operation: 1. if the user controls cursor and rests on the playing progress bar, catch the pairing broadcast in its position constantly; 2. surpass agreement constantly if the user controls a certain position that cursor rests on the progress bar, above cursor, create an assist location picture and show forms; 3. select in the assist location picture file from memory to be in the assist location picture of mutually same time period constantly, described assist location picture is shown in the assist location picture shows in the forms with this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101241509A CN1976440B (en) | 2006-12-11 | 2006-12-11 | A method and system for accurately locating playback progress in IPTV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101241509A CN1976440B (en) | 2006-12-11 | 2006-12-11 | A method and system for accurately locating playback progress in IPTV |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1976440A CN1976440A (en) | 2007-06-06 |
| CN1976440B true CN1976440B (en) | 2011-03-30 |
Family
ID=38126189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101241509A Expired - Fee Related CN1976440B (en) | 2006-12-11 | 2006-12-11 | A method and system for accurately locating playback progress in IPTV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1976440B (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101540881B (en) | 2008-03-19 | 2011-04-13 | 华为技术有限公司 | Method, device and system for realizing positioning playing of streaming media |
| CN101287107B (en) * | 2008-05-29 | 2010-10-13 | 腾讯科技（深圳）有限公司 | On-demand method, system and device for media files |
| CN101345552B (en) | 2008-08-18 | 2013-06-05 | 华为技术有限公司 | Power optimization method, system and device based on digital subscriber line |
| CN101447994B (en) * | 2008-12-30 | 2012-07-04 | 深圳市迅雷网络技术有限公司 | Method for downloading and playing multimedia file and equipment thereof |
| CN101465996B (en) * | 2008-12-31 | 2013-04-24 | 华为技术有限公司 | Method, equipment and system for displaying network television time |
| CN103076963A (en) * | 2011-10-25 | 2013-05-01 | 联想(北京)有限公司 | Information prompting method and electronic equipment |
| CN102355605B (en) * | 2011-11-11 | 2013-06-19 | 烽火通信科技股份有限公司 | Live time-shift processing method of IPTV (Internet Protocol Television) set-top box |
| CN103366783A (en) * | 2012-03-29 | 2013-10-23 | 百度在线网络技术（北京）有限公司 | Method, device and equipment for adjusting video information play time points |
| KR101905513B1 (en) * | 2012-05-29 | 2018-10-10 | 삼성전자주식회사 | Method and apparatus for reproducing moving picture in a portable terminal |
| CN102905190A (en) * | 2012-10-10 | 2013-01-30 | 广东欧珀移动通信有限公司 | Method and system for quickly previewing video |
| CN102905168B (en) * | 2012-11-02 | 2015-12-02 | 郝晓伟 | A kind of method and system that TV guide is provided in real time |
| CN103905835B (en) * | 2012-12-27 | 2017-11-10 | 腾讯科技（北京）有限公司 | A kind of progress method for previewing of video player, device and system |
| CN103813210A (en) * | 2014-02-24 | 2014-05-21 | 深圳市同洲电子股份有限公司 | Locating playing method, server and system |
| CN104008764A (en) * | 2014-04-30 | 2014-08-27 | 小米科技有限责任公司 | Multimedia information marking method and relevant device |
| US10990214B2 (en) * | 2014-06-18 | 2021-04-27 | Google Llc | Methods, systems, and media for controlling playback of video using a touchscreen |
| CN104581381A (en) * | 2015-01-04 | 2015-04-29 | 浪潮软件股份有限公司 | Auxiliary terminal video browsing positioning method and device |
| CN104869431A (en) * | 2015-05-18 | 2015-08-26 | 无锡天脉聚源传媒科技有限公司 | Video processing method and apparatus |
| CN105516755B (en) * | 2015-12-14 | 2019-08-20 | 成都易瞳科技有限公司 | A kind of video previewing method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1137154A (en) * | 1995-03-10 | 1996-12-04 | 株式会社日立制作所 | Video information recording and reproduction apparatus and method as well as video tape |
| CN1206987A (en) * | 1997-04-28 | 1999-02-03 | 索尼公司 | Video device, display method, recording method and reproducing method |
| CN1461483A (en) * | 2001-04-19 | 2003-12-10 | 皇家菲利浦电子有限公司 | Keyframe-based playback position selection method and system |
-
2006
- 2006-12-11 CN CN2006101241509A patent/CN1976440B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1137154A (en) * | 1995-03-10 | 1996-12-04 | 株式会社日立制作所 | Video information recording and reproduction apparatus and method as well as video tape |
| CN1206987A (en) * | 1997-04-28 | 1999-02-03 | 索尼公司 | Video device, display method, recording method and reproducing method |
| CN1461483A (en) * | 2001-04-19 | 2003-12-10 | 皇家菲利浦电子有限公司 | Keyframe-based playback position selection method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1976440A (en) | 2007-06-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1976440B (en) | A method and system for accurately locating playback progress in IPTV | |
| KR101506823B1 (en) | Method for transceiving media files and device for transmitting/receiving using same | |
| KR101111726B1 (en) | Method for providing interactive advertisement file authoring service, and computer-readable recording medium having interactive advertisement file authoring program | |
| US20070028279A1 (en) | System for personal video broadcasting and service method using internet | |
| CN101127884B (en) | Program switching method | |
| CN100556127C (en) | Receiver and Digital Video Interactive | |
| JP6043089B2 (en) | Broadcast communication cooperative receiver | |
| EP2822287A1 (en) | Method and apparatus for frame accurate advertisement insertion | |
| KR101022285B1 (en) | Video object information service providing method and system | |
| CN101267543A (en) | Method of providing and managing metadata, and device using same | |
| CN103024464A (en) | System and method for providing information related to video playing content | |
| JP2013009361A (en) | Broadcasting communication cooperation reception device, and application server | |
| KR20090116546A (en) | Method and system for providing language learning service using video clip | |
| KR102069897B1 (en) | Method for generating user video and Apparatus therefor | |
| CN101035257B (en) | Dynamic video two-dimension information interactive synchronization transmission method and system | |
| JP5997500B2 (en) | Broadcast communication cooperative receiver | |
| TWI261465B (en) | Digital real-time interactive program system | |
| JP5502567B2 (en) | Broadcast distribution system, broadcast distribution method, and content viewing program | |
| KR101078701B1 (en) | Method and apparatus for selective section playback of iptv program | |
| KR20110033646A (en) | Method and system for providing video contents with text information for each section | |
| US20130091517A1 (en) | Method and apparatus of providing broadcast content and metadata for augmented broadcasting, method and apparatus of providing augmenting content, and method and apparatus of receiving augmented broadcast content | |
| JP2010245773A (en) | Content distributing system, content receiving terminal, content distributing method, and program | |
| KR20090116508A (en) | Method and system for providing advertisement using keyword of video object | |
| CN102710967A (en) | Cloud television system and method | |
| KR101537547B1 (en) | On-line live-broadcasting advertisement system and method using overlay streaming |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20141211 |
|
| EXPY | Termination of patent right or utility model |