CN1917644B - Digital broadcast television system, set-top box, and method for playing programs - Google Patents
Digital broadcast television system, set-top box, and method for playing programs Download PDFInfo
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- CN1917644B CN1917644B CN200610153328A CN200610153328A CN1917644B CN 1917644 B CN1917644 B CN 1917644B CN 200610153328 A CN200610153328 A CN 200610153328A CN 200610153328 A CN200610153328 A CN 200610153328A CN 1917644 B CN1917644 B CN 1917644B
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Abstract
The method comprises: 1) the frond end system sends the video data and the webpage data relating to the video data to the set-top box through network; 2) the set-top box receives and resolves the webpage data, and gets the relevant parameters from the resolved webpage data; according to the relevant parameters corresponding to the video data, the set-top box decodes the video data; 3) according to the resolved webpage data and decoded video data, the set-top box overlaps them and outputs them to display. By the invention, when displaying a webpage, its relevant video information is also displayed.
Description
Technical field
The present invention relates to field of broadcast televisions, particularly relate to a kind of digital broadcast television system, set-top box and program broadcasting method.
Background technology
Digital broadcast television system comprises front end system, transmission network and set-top box.Set-top box is passed through the programme signal that transmission network receiving front-end system sends, and outputs to display unit after programme signal is handled and shows that described programme signal is web page signals or vision signal, and described display unit is TV or other display terminal.In field of broadcast televisions, typical transmission network is hybred fiber-coax (HFC) network.
Fig. 1 is the structure of a kind of digital broadcast television system of the prior art, and is existing in conjunction with Fig. 1 introduction program broadcasting method wherein.
Web page files is handled the back through the data broadcasting player and is generated webpage transport stream (TS) and output to multiplexer, and flow through multiplexer and modulator of webpage TS handled back generation radio frequency (RF) signal and sent to mixer.Video file is handled the back through the code stream player and is generated video TS stream and output to multiplexer, and flow through multiplexer and modulator of video TS handled back generation RF signal and sent to mixer.Mixer merges the back to two-way RF signal and sends by hfc plant.Set-top box is passed through the RF signal that hfc plant receiving front-end system sends, and outputs to TV after described RF signal is handled and shows.The user can select to play a kind of in webpage or the video as required on TV.
As can be seen from the above description, existing techniques in realizing the broadcast of webpage or the broadcast of video, but play when not realizing webpage and video.Usually the information that shows in webpage comprises literal, picture, animation etc., and the video information that Broadcasting Cable Network has superiority does not most show in webpage.Like this, the user can not watch relevant video information in browsing page.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of program broadcasting method, in display web page, in webpage, show relevant video information.
Another object of the present invention provides a kind of digital broadcast television system.
The present invention also provides a kind of set-top box.
Program broadcasting method of the present invention may further comprise the steps:
A) front end system sends video data and the web data that includes the video relevant parameter by transmission network to set-top box;
B) set-top box receives web data and web data is resolved, and obtains the video relevant parameter the web data after resolving, and receives corresponding video data according to described video relevant parameter, and described video data is decoded;
C) outputing to display unit after set-top box superposes to the web data after resolving and decoded video data according to the video relevant parameter shows.
Set-top box of the present invention comprises signal reception and processing module, parsing module, decoder module and display module, wherein:
Signal receives and processing module is used for by the programme signal of transmission network reception from front end system, after programme signal handled, web data is wherein sent to parsing module, and the video data of correspondence is sent to decoder module according to the video relevant parameter;
Parsing module outputs to display module after being used for described web data resolved, and will video relevant parameter wherein sends to signal and receive and processing module;
Decoder module outputs to display module after being used for described video data decoded;
Outputing to display unit after display module is used for according to the video relevant parameter web data after resolving and decoded video data being superposeed shows.
Digital broadcast television system of the present invention comprises front end system, transmission network and set-top box, wherein:
Front end system is used for sending video data and the web data that includes the video relevant parameter to set-top box;
Set-top box is used to receive web data and web data is resolved, obtain the video relevant parameter the web data after resolving, receive corresponding video data according to described video relevant parameter, and described video data decoded, and output to display unit after according to the video relevant parameter web data after resolving and decoded video data being superposeed and show.
Wherein: described video relevant parameter carries by the label of webpage, described video relevant parameter comprises the video modulation parameter, looks audio frequency parameter and video display position parameter, described video modulation parameter comprises frequency and modulation system, the described audio frequency parameter of looking comprises symbol rate, audio frequency PID, video PID and Program Clock Reference PID, described video display position parameter comprises the coordinate of video window, the width and the height of video window, and described transmission network is a hfc plant.
Compared with prior art, the invention has the beneficial effects as follows: owing to comprise the video relevant parameter in the web data, can receive corresponding video data by the video relevant parameter, and webpage and video are outputed to display unit simultaneously show, like this, in display web page, in webpage, show relevant video information, make web page contents abundanter.
Description of drawings
Fig. 1 is the structure chart of a kind of digital broadcast television system of the prior art;
Fig. 2 is the flow chart of program broadcasting method of the present invention;
Fig. 3 is the schematic diagram of display video window in the webpage of the present invention;
Fig. 4 is the structure chart of set-top box embodiment of the present invention.
Embodiment
The present invention will be described in detail below in conjunction with accompanying drawing.
Key of the present invention is: front end system sends in the web data of user side set-top box and comprises the video relevant parameter, when set-top box shows webpage output, also from web data, obtain the video relevant parameter, obtain corresponding video data by transmission network from front end system according to this video relevant parameter, and with video output demonstration, and described video is presented in the window of webpage.
As shown in Figure 2, program broadcasting method of the present invention may further comprise the steps:
Step 1, front end system send video data and include the web data of video relevant parameter to set-top box by transmission network;
Step 2, set-top box receive web data and web data are resolved, and obtain the video relevant parameter the web data after resolving, and receive corresponding video data according to described video relevant parameter, and described video data is decoded;
Outputing to display unit after step 3, set-top box superpose to the web data after resolving and decoded video data according to the video relevant parameter shows.
In the present invention, described transmission network is preferably hfc plant, can be unidirectional hfc plant or two-way hfc plant, perhaps mixes hfc plant for single-direction and dual-direction; Described display unit is preferably TV.
Wherein, the video relevant parameter comprises the video modulation parameter, looks audio frequency parameter and video display position parameter.The video modulation parameter comprises frequency, modulation system; Look audio frequency parameter and comprise symbol rate, packets of audio data identification (PID), video PID and Program Clock Reference (PCR) PID; Video display position parameter comprises the coordinate of video window, the width and the height of video window.These parameters all are video to be separated to be in harmonious proportion show parameters needed.Look audio frequency parameter and also can be the parameter of other type, for example: SDT Service Description Table (SDT), Program Association Table (PAT) and Program Map Table (PMT).
Particularly, these parameters can be carried by the label (tag) of webpage, for example, add a tag in webpage, are defined as TvTag, and described TvTag has following attribute:
Ffeq: frequency;
Qam: modulation system;
Symbol_rate: symbol rate;
Audio_pid: audio frequency is counted PID;
Video_pid: video PID;
pcr_pid：PCR?PID；
X, y: the coordinate of video window;
Width, height: the width of video window, highly.
During use, according to the cannonical format of HTML just can, followingly provided a concrete example:
<html>
<body>
<tvtag?ffeq＝576?qam＝64?symbol_rate＝6875?audio_pid＝760
video_pid＝810?pcr_pid＝1fff?x＝200?y＝20?width＝200?height＝150>
</body>
</html>
After the user side set-top box receives web data from front end system, web data resolved can obtain the video relevant parameter, the video relevant parameter specifically comprises above-mentioned video modulation parameter, looks audio frequency parameter and display position parameter.Set-top box receives corresponding video data by transmission network from front end system according to video modulation parameter wherein, and described video data is decoded.Output to display unit after audio frequency parameter and display position parameter superpose to the web data after resolving and decoded video data and show according to looking.The display position of video determines according to the video display position parameter in the video relevant parameter.Like this, just realized in display web page display video in webpage.
Fig. 3 is the schematic diagram of display video window in the webpage of the present invention.As shown in Figure 3, include information such as literal, picture, animation in the webpage, also comprise a window that is used for display video in the upper right corner of webpage simultaneously.Like this, the user can also watch relevant video in browsing page, thereby the amount of information that webpage comprises is also abundanter.
Those skilled in the art are understood that easily, except being implemented in the webpage the display video by in webpage, adding tag, also can adopt alternate manner to be implemented in display video in the webpage, for example realize by javascript, object, as long as this video relevant parameter is carried by webpage, when set-top box is resolved web data, can obtain this relevant parameter and get final product.
Below provide the structure of set-top box of the present invention.
As shown in Figure 4, set-top box of the present invention comprises: signal reception and processing module, parsing module, decoder module and display module.Signal receives and processing module is used for by the programme signal of transmission network reception from front end system, after programme signal handled, web data is wherein sent to parsing module, and the video data of correspondence is sent to decoder module according to the video relevant parameter; Parsing module outputs to display module after being used for described web data resolved, and will video relevant parameter wherein sends to signal and receive and processing module; Decoder module outputs to display module after being used for described video data decoded; Outputing to display unit after display module is used for according to the video relevant parameter web data after resolving and decoded video data being superposeed shows.
In fact, front end system, transmission network and the set-top box of describing in the embodiment of front constituted radio data system of the present invention.Wherein: front end system is used for sending video data and the web data that includes the video relevant parameter to set-top box; Set-top box is used to receive web data and web data is resolved, obtain the video relevant parameter the web data after resolving, receive corresponding video data according to described video relevant parameter, and described video data decoded, and output to display unit after according to the video relevant parameter web data after resolving and decoded video data being superposeed and show.
Should be noted that at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spiritual scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (3)
1. a program broadcasting method is characterized in that, may further comprise the steps:
A) front end system sends video data and the web data that includes the video relevant parameter by transmission network to set-top box;
B) set-top box receives web data and web data is resolved, and obtains the video relevant parameter the web data after resolving, and receives corresponding video data according to described video relevant parameter, and described video data is decoded;
C) outputing to display unit after set-top box superposes to the web data after resolving and decoded video data according to the video relevant parameter shows;
Wherein: described video relevant parameter carries by the label of webpage, described video relevant parameter comprises the video modulation parameter, looks audio frequency parameter and video display position parameter, described video modulation parameter comprises frequency and modulation system, the described audio frequency parameter of looking comprises symbol rate, audio frequency PID, video PID and Program Clock Reference PID, and described video display position parameter comprises the coordinate of video window, the width and the height of video window;
Described transmission network is the hybred fiber-coax hfc plant.
2. a set-top box comprises signal reception and processing module, parsing module, decoder module and display module, it is characterized in that:
Signal receives and processing module is used for by the programme signal of transmission network reception from front end system, after programme signal handled, web data is wherein sent to parsing module, and the video data of correspondence is sent to decoder module according to the video relevant parameter;
Parsing module outputs to display module after being used for described web data resolved, and will video relevant parameter wherein sends to signal and receive and processing module;
Decoder module outputs to display module after being used for described video data decoded;
Outputing to display unit after display module is used for according to the video relevant parameter web data after resolving and decoded video data being superposeed shows;
Wherein: described video relevant parameter carries by the label of webpage, described video relevant parameter comprises the video modulation parameter, looks audio frequency parameter and video display position parameter, described video modulation parameter comprises frequency and modulation system, the described audio frequency parameter of looking comprises symbol rate, audio frequency PID, video PID and Program Clock Reference PID, and described video display position parameter comprises the coordinate of video window, the width and the height of video window;
Described transmission network is a hfc plant.
3. a digital broadcast television system comprises front end system, transmission network and set-top box, it is characterized in that:
Front end system is used for sending video data and the web data that includes the video relevant parameter to set-top box;
Set-top box is used to receive web data and web data is resolved, obtain the video relevant parameter the web data after resolving, receive corresponding video data according to described video relevant parameter, and described video data decoded, and output to display unit after according to the video relevant parameter web data after resolving and decoded video data being superposeed and show;
Wherein: described video relevant parameter carries by the label of webpage, described video relevant parameter comprises the video modulation parameter, looks audio frequency parameter and video display position parameter, described video modulation parameter comprises frequency and modulation system, the described audio frequency parameter of looking comprises symbol rate, audio frequency PID, video PID and Program Clock Reference PID, and described video display position parameter comprises the coordinate of video window, the width and the height of video window;
Described transmission network is a hfc plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610153328A CN1917644B (en) | 2006-09-15 | 2006-09-15 | Digital broadcast television system, set-top box, and method for playing programs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610153328A CN1917644B (en) | 2006-09-15 | 2006-09-15 | Digital broadcast television system, set-top box, and method for playing programs |
Publications (2)
| Publication Number | Publication Date |
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| CN1917644A CN1917644A (en) | 2007-02-21 |
| CN1917644B true CN1917644B (en) | 2010-05-19 |
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| CN200610153328A Expired - Fee Related CN1917644B (en) | 2006-09-15 | 2006-09-15 | Digital broadcast television system, set-top box, and method for playing programs |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110246909A1 (en) * | 2010-04-01 | 2011-10-06 | Microsoft Corporation | Ancillary experience-based pairing |
| CN102137306B (en) * | 2011-01-17 | 2013-11-13 | 深圳市龙视传媒有限公司 | Method and device for displaying web content on television |
| CN104113770A (en) * | 2013-04-18 | 2014-10-22 | 深圳市云帆世纪科技有限公司 | Webpage video playing method and device |
| CN105263134A (en) * | 2015-10-08 | 2016-01-20 | 惠州Tcl移动通信有限公司 | Image transmission method and mobile equipment |
| CN109714628B (en) * | 2018-12-29 | 2021-08-03 | 广州方硅信息技术有限公司 | Method, device, equipment, storage medium and system for playing audio and video |
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Owner name: ZHONGHUI QIANKUN (BEIJING) DIGITAL TV INVESTMENT M Free format text: FORMER OWNER: ZHONGHUI SHIJI MEDIA DEVELOPMENT CO., LTD. Effective date: 20121205 |
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Effective date of registration: 20121205 Address after: 100070, Beijing Fengtai District headquarters base, finance port, No. 16, zone 6, building 6 Patentee after: Zhonghui (Beijing) digital TV Cci Capital Ltd Address before: 100029 Beijing city Chaoyang District Yumin Road A601 China international science and Technology Exhibition Center Room 12 Patentee before: Zhonghui Shiji Media Development Co., Ltd. |
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Address after: 203, room 8, Dongfang cyber building, building 66, No. 100022, Canton Road, Beijing, Chaoyang District Patentee after: Universe times (Beijing) science and Technology Development Co., Ltd. Address before: 100070, Beijing Fengtai District headquarters base, finance port, No. 16, zone 6, building 6 Patentee before: Zhonghui (Beijing) digital TV Cci Capital Ltd |
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