WO2013123723A1 - Procédé de recherche d'informations connexes de programmes de télévision numérique et terminal de réception de télévision numérique - Google Patents

Procédé de recherche d'informations connexes de programmes de télévision numérique et terminal de réception de télévision numérique Download PDF

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Publication number
WO2013123723A1
WO2013123723A1 PCT/CN2012/075035 CN2012075035W WO2013123723A1 WO 2013123723 A1 WO2013123723 A1 WO 2013123723A1 CN 2012075035 W CN2012075035 W CN 2012075035W WO 2013123723 A1 WO2013123723 A1 WO 2013123723A1
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WO
WIPO (PCT)
Prior art keywords
digital television
television program
search result
related information
association table
Prior art date
Application number
PCT/CN2012/075035
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English (en)
Chinese (zh)
Inventor
汪宗
张建春
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青岛海信信芯科技有限公司
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Filing date
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Application filed by 青岛海信信芯科技有限公司 filed Critical 青岛海信信芯科技有限公司
Publication of WO2013123723A1 publication Critical patent/WO2013123723A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/482—End-user interface for program selection
    • H04N21/4828—End-user interface for program selection for searching program descriptors

Definitions

  • Digital television program related information search method and digital television receiving terminal Digital television program related information search method and digital television receiving terminal
  • the present invention relates to digital television technology, and more particularly to a method for searching for information related to digital television programs and a digital television receiving terminal. Background technique
  • each TS corresponds to an 8MHz bandwidth channel.
  • the digital television receiving terminal identifies different service information in order to find the required code stream
  • PSI Program Specific Information
  • the PSI table defined in the MPEG-2 standard is a description of a single TS stream. Since digital TV systems usually have multiple TS streams, in order to guide digital TV users to quickly find the services they need in the TS stream, the Digital Video Broadcasting (DVB) standard extends the PSI of MPEG-2. , added nine more based on the PSI four tables. Table, form SI (Service Information). SI is a description of all TS streams of the entire system.
  • the service information (SI) defined by the DVB standard is inserted in the TS transport stream conforming to the MPEG-2 standard, so that the integrated receiving decoder of the digital television receiving terminal can be streamed from the TS.
  • the list and broadcast parameters of the program broadcast program are extracted and displayed to the digital TV user in the form of an Electronic Program Guide (EPG), so that the user can conveniently receive and select the digital television program.
  • EPG Electronic Program Guide
  • the existing EPG can only display the program information such as the program name, playing time, and screenshots of the program.
  • the digital TV user wants to know more about other information related to the program, the current digital TV still cannot do anything. Summary of the invention
  • an object of the present invention is to provide a search method for digital television program related information and a digital television receiving terminal which can display information related to a richer digital television program.
  • a method for searching for digital television program related information comprising: Step 1: acquiring service information of a digital television program; and step 2, parsing the service information and generating a corresponding service group association table, and the service group association table includes the digital television program a plurality of related fields; Step 3: obtaining further related information from the Internet by using the content of the multiple fields as an index, and forming an extended field in the service group association table accordingly; Step 4: performing a search in the service association table to obtain Search results; and step 5, displaying the search results in a predetermined format to the user.
  • the above step three is automatically performed in the background.
  • the service information in the first step is obtained from a source different from the digital television program.
  • the method further includes the step 6 of sharing the search results To the internet.
  • sharing the search result to the Internet in step 6 includes uploading the search result to the resource sharing station, and the service information in step one is obtained from the resource sharing station.
  • step 6 sharing the search results to the Internet includes uploading the search results to a personal page of the social networking website.
  • step 6 before the search result is shared to the Internet, the search result is also edited to be suitable for sharing to the Internet.
  • the predetermined display manner in the step 5 includes a picture-in-picture, a picture-in-picture, and a combination thereof.
  • the content stored in the business group association table includes a link to external data, and in step 5, the link is displayed in a picture-drawing manner, and the display link is loaded in a picture-in-picture manner as needed.
  • the plurality of fields describe fixed information of the digital television program
  • the extended field describes information related to the digital television program and kept updated.
  • the extension field is formed in the third step, the frequency of watching the television program by the user is performed from high to low for different television programs.
  • a digital television receiving terminal comprising: a memory, a display, and a processor; the processor comprises: an obtaining unit, configured to obtain service information of the digital television program; and a parsing unit, configured to parse the service information and generate a service group accordingly
  • the association table, the service group association table is stored in the memory; the extension unit is configured to obtain further related information from the Internet by using the content of the service group association table as an extension field of the service group association table; Searching in the business group association table to obtain a retrieval result; and displaying unit for controlling the display to display the retrieval result to the user in a predetermined form
  • the method further includes a sharing unit, configured to retrieve the knot Share to the internet.
  • the sharing unit is further configured to edit the search result to be suitable for sharing to the Internet before sharing the search result on the Internet.
  • the sharing unit is further configured to upload the search result to the resource sharing station, and the obtaining unit is configured to obtain the service information from the resource sharing station.
  • the sharing unit is further used to upload the search result to the personal page of the social networking website.
  • the extension field describes information related to the digital television program and kept updated.
  • the extension unit is further adapted to acquire the above-mentioned further related information from high to low for the frequency of the user watching the television program for different television programs.
  • the extension unit is further configured to automatically obtain the above related information in the background.
  • the acquisition unit is configured to acquire the service information from a source different from the digital television program.
  • the content covered by the related information is extended to the content that is updated at any time.
  • the extended field is formed by the digital television receiving terminal in the background before the retrieval, and there is no network delay when the search is displayed. The occurrence of the user experience can be maximized;
  • the extension field can store only the link without storing the actual content, which can reduce the data flow and save the storage space of the service group association table;
  • Fig. 1 is a flow chart showing a search method of digital television program related information provided by the first embodiment.
  • Fig. 2 is a schematic diagram showing a display manner of a search result in a search method for digital television program related information provided by the first embodiment.
  • Fig. 3 is a view showing another display mode of the search result in the search method of the digital television program related information provided by the first embodiment.
  • Fig. 4 is a schematic diagram showing still another display manner of the search result in the search method of the digital television program related information provided by the first embodiment.
  • FIG. 5 is a structural block diagram of a digital television receiving terminal according to a second embodiment.
  • FIG. 7 is a structural block diagram of a processor of a digital television receiving terminal according to a second embodiment. detailed description
  • FIG. 1 is a flowchart of a method for searching for digital television program related information provided by the first embodiment, the method includes:
  • Step 1 Obtain service information of the digital television program
  • Step 2 parse the service information and generate a corresponding service group association table
  • Step 3 Obtain further related information from the Internet by using the content of the multiple fields as an index, and form an extended field in the service group association table correspondingly;
  • Step 4 Perform a search in the business association table to obtain a search result
  • Step 5 Display the search result to the user in a predetermined format
  • Step 6 Share the search results to the Internet
  • the subject of the above method is, for example, a digital television receiving terminal such as a digital television set, a digital television set top box or the like.
  • the service information may be obtained directly from the digital television signal.
  • the digital television receiving terminal may include a tuner for demodulating the high frequency signal into a digital signal transport stream (TS), and the channel demodulator of the digital television receiving terminal is responsible for restoring the TS to a digital baseband signal.
  • the digital baseband signal can be parsed directly via software according to the Digital Video Broadcasting (DVB) standard to obtain service information.
  • DVD Digital Video Broadcasting
  • the digital television receiving terminal transmits signals based on the Internet
  • the digital television receiving terminal is an Internet television
  • the service information is not limited to being packaged in the TS, but can be transmitted separately, or even digital television.
  • the signal itself and the service information can be provided separately from different sources.
  • the service information can be directly obtained by using the internet protocol, and the modulation/demodulation operation can be further reduced compared with the conventional cable television network.
  • the service group association table contains a plurality of fields related to the digital television program.
  • the plurality of fields may include, for example, a program channel number, a program type, a program name, a program guide, a production unit/company, a program classification status, cast information, director information, and the like. Relatively speaking, these fields belong to more fixed content, and as long as the program is determined, the relevant information is determined. Therefore, this information is suitable for direct embedding in the service information of digital television.
  • there are many other related information such as the latest comments from other users, the latest status of the actor/director, etc. Users want to know.
  • the information is kept up-to-date and the sources are diversified, it is more difficult to directly embed the service information of the digital television signal.
  • the method for searching for digital television program related information of this embodiment further includes step 3 of obtaining service information that is not easily embedded directly into the digital television signal from the Internet.
  • the digital television program name may be used as an index to obtain relevant information directly from a specific information provider, or the digital television program name may be used as a keyword to search on the Internet and corresponding information is captured.
  • Step 3 can be performed automatically by the digital television receiving terminal in the background without the intervention of the user. For example, after the digital television receiving terminal completes the power-on, for example, after completing the EPG display, the expansion operation of step 3 can be performed in the background. At this point, the extension operation can be for all entries in the business group association table. However, it can be understood that there are a large number of current digital television programs, and it takes relatively time to complete one by one.
  • the expansion operation of step 3 can be performed first for the program most frequently viewed by the user, that is, when the extended field is formed in step 3, Different TV programs are performed from high to low in frequency at which the user watches the TV and the program. The programs most frequently viewed by the user can be read from the user's favorite or booked program list. Secondly, the program that the user may like is further predicted according to the user's viewing statistics. When the most frequently viewed program expansion operation is completed, the expansion operation of step 3 can be performed for the program that may be preferred.
  • step 3 is not limited to after the power is turned on. For example, after the user switches channels and keeps the current channel for a period of time, for example, 10 seconds, it means that the user may continue to watch the current program. At this time, the extended operation of step 3 can be automatically performed for the current program in the background.
  • the timing of performing the above step 3 is for the purpose of maximizing the user experience, and the user can read the relevant information directly from the service group association table, without waiting for the information.
  • the network returns the result.
  • the content stored in the extension field can be direct content or indirect content.
  • Direct content means you can Directly displayed content such as text introduction, picture, or video, etc.
  • indirect content refers to content that needs to be loaded or parsed to be displayed, such as a link, and the content pointed to by the link needs to be loaded before being displayed.
  • the retrieval action may be automatic or initiated by the user.
  • a digital television receiving terminal provides an option to automatically search for and display relevant information under certain conditions, such as switching channels or browsing channels in an EPG. When these options are selected, the digital TV receiving terminal can automatically perform the retrieval operation after the condition is triggered (the user switches channels or browses the channel in the EPG).
  • Initiating by the user means that the user has pressed a button on the remote control.
  • the name of the current program (the program being played or viewed in the EPG) can be retrieved in the business group association table using the name of the program. If the exact search does not result in a match, you can also perform a fuzzy match to find as much information about the relevant program as possible.
  • the display search result may be displayed in a predetermined display manner, and the display mode may include, for example, a Picture in Picture (PIP) Picture Out Picture (POP) or a combination thereof.
  • PIP Picture in Picture
  • POP Picture Out Picture
  • PIP means that one or more word screens 22 are displayed on the main screen 21 (current screen), and the search results are displayed on the word screen.
  • the search result may include direct content or indirect content, and the direct content refers to a content that can be directly displayed, such as a text introduction, a picture, or a video, and the indirect content refers to, for example, a link, and the corresponding content is loaded only after the user clicks the corresponding link. Content to display.
  • the word screen 22 can be automatically blanked after a predetermined time is displayed, or displayed/hidden when the user presses the remote controller.
  • POP means that one or more are displayed outside the main screen 31 (current screen).
  • the sub-screen 32 displays the search result on the sub-screen 32.
  • a form of a marquee may be employed, that is, a plurality of sub-pictures 32 are scrolled in a clockwise or counterclockwise direction.
  • POP and PIP can also be used in combination.
  • the user when watching a digital television program, the user is interested in other related information of the current program, and can press a predetermined button on the remote controller to display multiple links in the sub-screen 32a in the form of POP (see FIG. 4). Links can point to one or more fields in a business group association table.
  • the sub-picture 32a is activated, and the user can use the direction keys (up, down, left, and right) in the remote control to switch the currently activated link.
  • the sub-screen 32b is for displaying contents such as a digest, a cue information, and the like of the content pointed to by the active link in the sub-screen 32a.
  • a link to the latest comment displays a recent comment and prompts for more detailed content after confirmation, at which point the word screen 22 can be hidden.
  • the enter key As shown in FIG. 4, the content pointed to by the link "newest comment” is displayed in the word screen 22 in the form of PIP.
  • the sub-picture can still be active to allow the user to switch between different links.
  • the related information can also be displayed in a full screen manner.
  • the user can press the exit key to return to the screen before the link is pressed.
  • the related information is directly superimposed as a layer on the currently playing TV screen.
  • the layer displaying the relevant information can be opaque or opaque. This method minimizes the impact on the current picture.
  • Step 6 can be initiated, for example, by the user.
  • Sharing to the Internet may refer to sending the search results to a dedicated resource sharing station for use by other users, or in a personal page of the social networking site to view the interested users. It is also possible to recommend the current program to other users.
  • the service information of digital television can be counted from Word TV signals are obtained from different sources.
  • the above resource sharing station can be the source of the service information.
  • Each digital television terminal can directly obtain service information from the resource sharing station, and can also upload the retrieved content to the resource sharing station as a source of service information for use by other users.
  • the user can also edit the search results to make the search results more suitable for sharing to the Internet before sending the search results to the Internet.
  • the above editing includes, for example, editing, modification, and the like. Take the current popular micro-blog (microblogging) as an example, generally only up to 70 Chinese characters are allowed. Therefore, it is generally necessary to delete the search results to meet the requirements.
  • the search method of the digital television program related information of the embodiment has the following advantages: First, the content covered by the related information is extended to the content updated at any time based on the Internet; Second, the extension field is already received by the digital television receiving terminal before the retrieval Formed in the background, there is no network delay and other phenomena when searching and displaying, which can maximize the user experience;
  • the extension field can store only the link without storing the actual content, which can reduce the data flow and save the storage space of the service group association table;
  • the user can conveniently share the retrieved content to the Internet, making the digital TV more social and convenient to use.
  • Second embodiment
  • FIG. 5 is a structural block diagram of a digital television receiving terminal according to a second embodiment.
  • the digital television receiving terminal 100 includes a tuner 11, a channel demodulator 12, a memory 13, a display 14, and a processor 15.
  • the tuner 11 is responsible for demodulating the high frequency signal into TS
  • the channel demodulator 12 is responsible for reducing the TS from the tuner 11 to a digital baseband signal.
  • the processor 15 includes an obtaining unit 151, a parsing unit 152, a retrieving unit 153, an expanding unit 154, a display unit 155, and a sharing unit 156.
  • the obtaining unit 151, the parsing unit 152, the retrieving unit 153, the extension unit 154, the display unit 155, and the sharing unit 156 are software function modules.
  • the obtaining unit 151 is configured to obtain service information from the digital baseband signal.
  • the parsing unit 152 is configured to parse the obtained service information and generate a service group association table accordingly.
  • the business group association table can be stored in the memory 13.
  • the retrieval unit 153 is for retrieving in the business group association table to obtain a retrieval result.
  • the extension unit 154 is configured to obtain further related information from the Internet by using the content of the service group association table as an extension field of the service group association table.
  • the display unit 155 is used to control the display 14 to display the search results to the user in a suitable display manner.
  • the sharing unit 156 is used to share the search results to the Internet.
  • the content of the digital television program related information is expanded in the service group association table generated by the digital television receiving terminal according to the service information in the present embodiment, and displayed in an appropriate form to the user, so as to better satisfy the user's understanding of the digital television program.
  • the need for relevant information is expanded in the service group association table generated by the digital television receiving terminal according to the service information in the present embodiment, and displayed in an appropriate form to the user, so as to better satisfy the user's understanding of the digital television program. The need for relevant information.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

La présente invention porte sur un procédé de recherche d'informations connexes de programmes de télévision numérique qui comprend les étapes suivantes : étape 1 : obtention d'informations de service de programmes de télévision numérique, étape 2 : analyse des informations de service et génération d'une table d'association de bouquet correspondante, la table d'association de bouquet comprenant une pluralité de champs concernant les programmes de télévision numérique, étape 3 : avec le contenu de la pluralité de champs en tant qu'indice, obtention d'autres informations connexes à partir de l'Internet, et de façon correspondante, formation de champs étendus dans la table d'association de bouquet, étape 4 : récupération de la table d'association de bouquet de façon à obtenir un résultat de récupération, et étape 5 : affichage du résultat de récupération à un utilisateur dans un format prédéfini. Le procédé peut fournir des informations abondantes relatives aux programmes de télévision numérique. En outre, la présente invention porte également sur un terminal de réception de télévision numérique.
PCT/CN2012/075035 2012-02-24 2012-05-03 Procédé de recherche d'informations connexes de programmes de télévision numérique et terminal de réception de télévision numérique WO2013123723A1 (fr)

Applications Claiming Priority (2)

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CN201210042850.9 2012-02-24
CN201210042850.9A CN102595232B (zh) 2012-02-24 2012-02-24 数字电视节目相关信息搜索方法及数字电视接收终端

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CN104683869A (zh) * 2013-12-03 2015-06-03 利视科技股份有限公司 提供电视影音数据的信息及辅助信息的电视***与方法
CN104540003B (zh) * 2015-01-23 2018-05-01 广州视源电子科技股份有限公司 电视节目检索方法和装置
WO2017117731A1 (fr) * 2016-01-05 2017-07-13 北京司响无限文化传媒有限公司 Procédé et dispositif pour transmettre des données spécifiques dans une diffusion sélective de télévision numérique, et terminal de réception
CN112738622B (zh) * 2019-10-14 2023-05-23 深圳Tcl数字技术有限公司 一种数字电视频道数据搜索方法、终端及存储介质

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