技术领域technical field
本发明涉及数字电视技术，尤其涉及一种数字电视节目相关信息的搜索方法及一种数字电视接收终端。 The invention relates to digital television technology, in particular to a search method for relevant information of digital television programs and a digital television receiving terminal. the
背景技术Background technique
数字电视与互联网络电视在全球的普及给人们的生活带来更好的视听享受。同时，电视节目数字化网络化后，除了视频及音频信号，数字电视信号中还可同时传输更多信息。 The global popularity of digital TV and Internet TV brings better audio-visual enjoyment to people's life. At the same time, after TV programs are digitalized and networked, in addition to video and audio signals, more information can be transmitted simultaneously in digital TV signals. the
在数字电视中，所有视频、音频、文字、图片等经数字化处理后都变成了数据，并按照动态图像专家组压缩标准2（MPEG-2）打包，形成固定长度（188个字节）的传送包，然后将这些数据包进行复用，形成传送码流（Transport Stream，TS）。通常由多个节目及业务复用组成的一个TS，每个TS对应一个8MHz带宽的频道。 In digital TV, all video, audio, text, pictures, etc. are converted into data after digital processing, and are packaged according to the Moving Picture Experts Group Compression Standard 2 (MPEG-2) to form fixed-length (188 bytes) Transport packets, and then multiplex these data packets to form a transport stream (Transport Stream, TS). A TS is usually composed of multiple programs and multiplexed services, and each TS corresponds to a channel with a bandwidth of 8MHz. the
数字电视接收终端为了找到需要的码流，识别不同的业务信息，在TS流中必须加入一些引导信息，为此，在MPEG-2标准中，专门定义了程序专用信息（Program Specific Information，PSI），其作用是从一个携带多个节目的某一个TS流中正确找到特定的节目。 In order to find the required code stream and identify different service information, the digital TV receiving terminal must add some guidance information to the TS stream. For this reason, in the MPEG-2 standard, Program Specific Information (PSI) is specially defined. , its role is to correctly find a specific program from a certain TS stream carrying multiple programs. the
在MPEG-2标准中定义的PSI表，是对单一TS流的描述。由于数字电视系统通常存在多个TS流，为了引导数字电视用户能在TS流中快速地找出自己需要的业务，数字视频广播（Digital Video Broadcasting，DVB）标准对MPEG-2的PSI进行了扩充，在PSI四个表的基础上再增加了九个 表，形成SI（Service Information）。SI是对整个系统所有TS流的描述，在符合MPEG-2标准的TS传输流中插入DVB标准定义的业务信息（Service Information，SI），使数字电视接收终端的综合接收解码器可以从TS流中提取出节目提供商播出节目的列表和播出参数，以电子节目指南（Electronic Program Guide,EPG）的形式显示给数字电视用户，使得用户可以方便地接收、选择数字电视节目。 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 streams, the Digital Video Broadcasting (DVB) standard expands the PSI of MPEG-2 , on the basis of the four tables of PSI, nine tables are added to form SI (Service Information). SI is a description of all TS streams in the entire system. The service information (Service Information, SI) defined by the DVB standard is inserted into the TS transport stream conforming to the MPEG-2 standard, so that the integrated receiving decoder of the digital TV receiving terminal can read from the TS stream. The list and broadcast parameters of programs broadcast by program providers are extracted from the program provider, and displayed to digital TV users in the form of electronic program guide (Electronic Program Guide, EPG), so that users can receive and select digital TV programs conveniently. the
然而现有的EPG只能显示节目名称、播放时间、节目截图等简单信息，当数字电视用户想进一步了解与节目相关的其他信息时，目前的数字电视仍然无能为力。 However, the existing EPG can only display simple information such as the program title, broadcast time, and screenshots of the program. When digital TV users want to further understand other information related to the program, the current digital TV is still powerless. the
发明内容Contents of the invention
为解决上述问题，本发明的目的在于提供一种数字电视节目相关信息的搜索方法及一种数字电视接收终端，其可以显示更加丰富的数字电视节目的相关信息。 To solve the above problems, the object of the present invention is to provide a search method for digital TV program related information and a digital TV receiving terminal, which can display richer digital TV program related information. the
本发明上述各目的是通过以下的技术方案实现的： The above-mentioned purposes of the present invention are achieved through the following technical solutions:
一种数字电视节目相关信息的搜索方法，其包括：步骤一、获取数字电视节目的服务信息；步骤二、解析服务信息并生成相应的业务群关联表，业务群关联表内包含与数字电视节目相关的多个字段；步骤三、以上述多个字段的内容为索引从互联网上获取进一步的相关信息并相应在业务群关联表中形成扩展字段；步骤四、在业务关联表中根据关键字进行检索以得到检索结果；步骤五、以预定的格式显示检索结果给用户；以及步骤六、将检索结果分享到互联网。 A search method for information related to digital television programs, comprising: step 1, obtaining service information of digital television programs; step 2, analyzing service information and generating a corresponding business group association table, which contains information related to digital television programs Related multiple fields; Step 3, take the content of the above multiple fields as an index to obtain further relevant information from the Internet and correspondingly form extended fields in the business group association table; Step 4, in the business association table according to keywords Retrieve to obtain a search result; Step 5, display the search result to the user in a predetermined format; and Step 6, share the search result to the Internet. the
作为上述技术方案的进一步改进，上述步骤三是在后台自动进行的。 As a further improvement of the above technical solution, the above step three is automatically performed in the background. the
作为上述技术方案的进一步改进，步骤一中服务信息是从与数字电视节目不同的来源处获取的。 As a further improvement of the above technical solution, in step 1, the service information is obtained from a source different from the digital TV program. the
作为上述技术方案的进一步改进，步骤六中将检索结果分享到互联网包括将检索结果上传至资源分享站，步骤一中的服务信息即是从所述资源分享站处获取的。 As a further improvement of the above technical solution, sharing the search results to the Internet in Step 6 includes uploading the search results to a resource sharing site from which the service information in Step 1 is obtained. the
作为上述技术方案的进一步改进，步骤五中的预定显示方式包括画中画、画外画、及其组合。 As a further improvement of the above technical solution, the predetermined display mode in step 5 includes picture-in-picture, picture-outside-picture, and combinations thereof. the
作为上述技术方案的进一步改进，业务群关联表中存储的内容包括指向外部数据的链接，步骤五中，以画外画的方式显示所述链接，并根据需要以画中画的方式加载显示链接指向的内容。 As a further improvement of the above technical solution, the content stored in the business group association table includes links to external data. In step 5, display the links in a picture-in-picture mode, and load and display the links in a picture-in-picture mode as required pointed to content. the
作为上述技术方案的进一步改进，步骤六中，将检索结果分享到互联网包括将检索结果上传至社交网站的个人页面中。 As a further improvement of the above technical solution, in step 6, sharing the search result to the Internet includes uploading the search result to a personal page of a social networking site. the
作为上述技术方案的进一步改进，步骤六中，在将检索结果分享到互联网之前还包括对检索结果进行编辑以适于分享至互联网。 As a further improvement of the above technical solution, in step 6, before sharing the search results to the Internet, it also includes editing the search results to be suitable for sharing to the Internet. the
一种数字电视接收终端，其包括：存储器、显示器、及处理器；处理器包括：获取单元，用于获取数字电视节目的服务信息；解析单元，用于对服务信息进行解析并相应生成业务群关联表，业务群关联表存储于存储器内；扩展单元，用于以业务群关联表的内容为索引从互联网上获取进一步的相关信息并作为业务群关联表的扩展字段；检索单元，用于在业务群关联表中根据关键字进行检索以得到检索结果；显示单元，用于控制显示器以预定形式显示检索结果给用户；以及分享单元，用于将检索结果分享至互联网。 A digital TV receiving terminal, which includes: a memory, a display, and a processor; the processor includes: an acquisition unit for acquiring service information of digital TV programs; an analysis unit for analyzing the service information and correspondingly generating service groups The association table, the business group association table is stored in the memory; the extension unit is used to use the content of the business group association table as an index to obtain further relevant information from the Internet and use it as an extension field of the business group association table; the retrieval unit is used for The business group association table is searched according to the keyword to obtain the search result; the display unit is used to control the display to display the search result to the user in a predetermined form; and the sharing unit is used to share the search result to the Internet. the
作为上述技术方案的进一步改进，分享单元还用于将检索结果分享于互联网之前对检索结果进行编辑以适于分享至互联网。 As a further improvement of the above technical solution, the sharing unit is further configured to edit the search results before sharing the search results on the Internet so as to be suitable for sharing to the Internet. the
上述数字电视节目相关信息的搜索方法及数字电视接收终端具有以下优点： The above-mentioned search method for digital TV program related information and the digital TV receiving terminal have the following advantages:
第一、基于互联网将相关信息涵盖的内容扩展至随时更新的内容； First, based on the Internet, expand the content covered by relevant information to content that can be updated at any time;
第二、扩展字段是在检索之前已经由数字电视接收终端在后台形成，在检索显示的时候并不会有网络延迟等现象的发生，可以最大程度提升用户使用体验； Second, the extended field has been formed by the digital TV receiving terminal in the background before the search, and there will be no network delay and other phenomena when the search is displayed, which can maximize the user experience;
第三、扩展字段中可以仅存储链接而不存储实际内容，可减少数据流量并节省业务群关联表的存储空间； Third, the extension field can only store links without storing actual content, which can reduce data traffic and save storage space in the business group association table;
第四、用户可以方便的将检索到的内容分享至互联网，使数字电视的社交性、使用方便性更高。 Fourth, the user can conveniently share the retrieved content to the Internet, making the digital TV more social and convenient to use. the
为让本发明的上述和其他目的、特征和优点能更明显易懂，下文特举较佳实施例，并配合所附图式，作详细说明如下。 In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments will be described in detail below together with the accompanying drawings. the
附图说明Description of drawings
图1为第一实施例提供的数字电视节目相关信息的搜索方法的流程图。 Fig. 1 is a flow chart of the method for searching digital TV program related information provided by the first embodiment. the
图2为第一实施提供的数字电视节目相关信息的搜索方法中检索结果的一种显示方式示意图。 Fig. 2 is a schematic diagram of a display mode of search results in the search method for digital TV program related information provided by the first implementation. the
图3为第一实施提供的数字电视节目相关信息的搜索方法中检索结果的另一显示方式示意图。 Fig. 3 is a schematic diagram of another display mode of search results in the search method for digital TV program related information provided by the first implementation. the
图4为第一实施提供的数字电视节目相关信息的搜索方法中检索结果的再一显示方式示意图。 Fig. 4 is a schematic diagram of another display mode of the search results in the search method for digital TV program related information provided by the first implementation. the
图5为第二实施例提供的数字电视接收终端的结构框图。 Fig. 5 is a structural block diagram of a digital television receiving terminal provided by the second embodiment. the
图6为第二实施例提供的数字电视接收终端的处理器的结构框图。 Fig. 6 is a structural block diagram of a processor of a digital television receiving terminal provided by the second embodiment. the
具体实施方式Detailed ways
为更进一步阐述本发明为实现预定发明目的所采取的技术手段及功效，以下结合附图及较佳实施例，对依据本发明提出的数字电视节目相关信息的搜索方法及数字电视终端的具体实施方式、结构、特征及其功效， 详细说明如后。 In order to further explain the technical means and effects that the present invention takes to realize the intended invention purpose, below in conjunction with the drawings and preferred embodiments, the specific implementation of the search method for digital TV program related information and the digital TV terminal proposed according to the present invention Mode, structure, feature and effect thereof, detailed description is as follows. the
第一实施例 first embodiment
请参阅图1，其为第一实施例提供的数字电视节目相关信息的搜索方法的流程图，上述方法包括依次进行： Please refer to Fig. 1, it is the flowchart of the search method of the digital television program relevant information that the first embodiment provides, and above-mentioned method comprises carrying out successively:
步骤1，获取数字电视节目的服务信息； Step 1, obtaining service information of digital TV programs;
步骤2、解析服务信息并生成相应的业务群关联表； Step 2. Analyze the service information and generate the corresponding business group association table;
步骤3、以所述多个字段的内容为索引从互联网上获取进一步的相关信息并相应在所述业务群关联表中形成扩展字段； Step 3, using the contents of the multiple fields as an index to obtain further relevant information from the Internet and correspondingly form an extended field in the business group association table;
步骤4、在业务关联表中进行检索以得到检索结果； Step 4. Retrieve in the business association table to obtain the retrieval result;
步骤5、以预定的格式显示检索结果给用户；以及 Step 5, displaying the retrieval results to the user in a predetermined format; and
步骤6、将检索结果分享到互联网 Step 6. Share the search results to the Internet
上述方法的执行主体例如是一个数字电视接收终端如数字电视机、数字电视机顶盒等等。 The execution subject of the above method is, for example, a digital TV receiving terminal such as a digital TV set, a digital TV set-top box, and the like. the
步骤1中，服务信息可以是直接从数字电视信号中获取的。具体地，以现有的有线电视网络为例，其采用同轴电缆连接，传输的是高频信号。而数字电视接收终端中会包括调谐器，负责将高频信号解调成数字信号传送码流（Transport Stream，TS），而数字电视接收终端的频道解调器负责将TS还原成数字基带信号。数字基带信号可直接经由软件根据数字视频广播（Digital Video Broadcasting，DVB）标准进行解析处理以得到服务信息。 In step 1, the service information may be obtained directly from digital television signals. Specifically, taking the existing cable television network as an example, it is connected by a coaxial cable and transmits high-frequency signals. The digital TV receiving terminal will include a tuner, which is responsible for demodulating the high-frequency signal into a digital signal transport stream (Transport Stream, TS), and the channel demodulator of the digital TV receiving terminal is responsible for restoring the TS to a digital baseband signal. The digital baseband signal can be analyzed and processed directly by software according to the Digital Video Broadcasting (DVB) standard to obtain service information. the
此外，可以理解，当数字电视接收终端是基于互联网传输信号，即数字电视接收终端是互联网电视时，基于互联网的灵活性，服务信息并不限于打包在TS中，而可以单独传送，甚至数字电视信号本身与服务信息可分别由不同的来源提供。此时，步骤1中，根据预定的路径，直接采用互 联网协议获取服务信息即可，相比于传统的有线电视网络，更加可以减少调制/解调操作。 In addition, it can be understood that when the digital TV receiving terminal transmits signals based on the Internet, that is, when the digital TV receiving terminal is an Internet TV, based on the flexibility of the Internet, the service information is not limited to being packaged in TS, but can be transmitted separately, even digital TV The signal itself and the service information may be provided by different sources respectively. At this time, in step 1, according to the predetermined path, the service information can be obtained directly by using the Internet protocol. Compared with the traditional cable TV network, the modulation/demodulation operation can be reduced. the
步骤2中，业务群关联表内包含与所述数字电视节目相关的多个字段。上述多个字段例如可包括：节目频道号、节目类型、节目名称、节目简介、制作单位/公司、节目分类状态、演员信息、导演信息等。相对来说，这些字段属于较固定的内容，只要节目一旦确定，这些相关的信息也就确定。因此，这些信息适合直接嵌入数字电视的服务信息中去。然而在实际应用中，还有许多其他的相关信息，例如其他用户的最新评论，演员/导演的最新状态等等用户想要了解。然而由于这些信息随时变化，而且来源多样化，比较难于直接嵌入数字电视信号的服务信息中。 In step 2, the service group association table contains a plurality of fields related to the digital TV program. The above multiple fields may include, for example: program channel number, program type, program name, program introduction, production unit/company, program classification status, actor information, director information, etc. Relatively speaking, these fields belong to relatively fixed content, as long as the program is determined, the relevant information will also be determined. Therefore, these information are suitable to be directly embedded in the service information of the digital TV. However, in practical applications, there are many other relevant information, such as the latest comments of other users, the latest status of actors/directors, etc. that users want to know. However, since the information changes at any time and has various sources, it is difficult to directly embed it in the service information of the digital TV signal. the
因此，本实施例的数字电视节目相关信息的搜索方法还包括步骤3，以从互联网上获取这些不易于直接嵌入数字电视信号的服务信息。步骤3中，例如可以采用数字电视节目名称为索引从特定的信息提供商处直接获取相关信息，或者采用数字电视节目名称为关键字在互联网上进行检索并相应抓取相关信息。 Therefore, the method for searching related information of digital TV programs in this embodiment further includes step 3 to obtain service information that is not easy to be directly embedded in digital TV signals from the Internet. In step 3, for example, the digital TV program name can be used as an index to directly obtain relevant information from a specific information provider, or the digital TV program name can be used as a keyword to search on the Internet and capture relevant information accordingly. the
步骤3可以是由数字电视接收终端在后台自动进行，并不需要用户的干预。例如，数字电视接收终端在完成开机后，例如完成EPG显示之后，即可在后台进行步骤3的扩展操作。此时，扩展操作可以是针对业务群关联表内的所有条目。然而，可以理解，当前数字电视节目众多，逐一完成相对来说需要较多时间，可以优先针对用户最常观看的节目先进行步骤3的扩展操作。而用户最常观看的节目可以从用户收藏或者预订的节目单中读取。次之，还可进一步依据用户的观看统计进行预测用户可能喜欢的节目，当最常观看的节目扩展操作完成后，即可针对可能喜欢的节目进行步骤3的扩展操作。 Step 3 may be automatically performed by the digital TV receiving terminal in the background without user intervention. For example, after the digital TV receiving terminal is turned on, for example, the EPG display is completed, the expansion operation in step 3 can be performed in the background. At this point, the extension operation may be for all entries in the business group association table. However, it can be understood that currently there are many digital TV programs, and it takes a relatively long time to complete one by one, and the expansion operation in step 3 can be performed first on the programs most frequently watched by the user. The programs that the user watches most often can be read from the user's favorite or subscribed program list. Secondly, the programs that the user may like can be further predicted based on the user's viewing statistics. After the expansion operation of the most frequently watched programs is completed, the expansion operation in step 3 can be performed on the programs that may be liked. the
此外，进行步骤3的时间并不限于在开机后。例如，在用户切换频道 并保持当前频道一段时间例如10秒后，则意味着用户很可能继续保持观看当前节目，此时，可以在后台自动针对当前节目进行步骤3的扩展操作。 In addition, the time to perform step 3 is not limited to after booting. For example, after the user switches channels and maintains the current channel for a period of time such as 10 seconds, it means that the user is likely to continue watching the current program. At this time, the extended operation of step 3 can be automatically performed on the current program in the background. the
可以理解，上述进行步骤3的时机均是出于最大程度提升用户使用体验的考虑，尽可能的使用户在想查阅相关信息时即可直接从业务群关联表中读取，而无需要再等待网络返回结果。 It can be understood that the above-mentioned timing of step 3 is based on the consideration of maximizing user experience, so that users can read relevant information directly from the business group association table as much as possible without waiting The network returns the result. the
扩展字段中存储的可以是直接内容或者间接内容。直接内容是指可以直接显示的内容例如文字介绍、图片、或者视频等，而间接内容是指需要进行加载或解析才能显示的内容，例如链接，链接所指向的内容需要加载之后才能进行显示。 The content stored in the extension field can be direct content or indirect content. Direct content refers to content that can be displayed directly, such as text introductions, pictures, or videos, etc., while indirect content refers to content that needs to be loaded or parsed before it can be displayed, such as links. The content pointed to by the link needs to be loaded before it can be displayed. the
当扩展字段为直接内容时，其使用方法与业务群关联表中的其他字段相同，而扩展字段为间接内容时，检索操作仍然没有变化，数字电视接收终端可得知具有相关的信息，然而，在显示时需要实时从外部数据源加载或者经过进一步的解析或者转换。步骤4中，检索动作可以是自动进行的，或者由用户发起。例如，数字电视接收终端提供在某些条件下，如切换频道或者在EPG中浏览频道时自动搜索并显示相关信息的选项。当这些选项被选择时，即可在条件触发时（用户切换频道或者在EPG中浏览频道），数字电视接收终端即可以在后自动进行检索操作。由用户发起例如是指用户按下了遥控器上的某个按键。一般来说，可以采用当前节目（正在播放或者在EPG中浏览的节目）的名称作为关键字在业务群关联表中进行检索。如果精确检索无法得到匹配结果，还可以进行模糊匹配以尽可能找到更多的相关节目的信息。 When the extension field is a direct content, its use method is the same as other fields in the service group association table, and when the extension field is an indirect content, the retrieval operation remains unchanged, and the digital TV receiving terminal can know that it has relevant information. However, When displaying, it needs to be loaded from an external data source in real time or undergo further parsing or conversion. In step 4, the retrieval action can be performed automatically or initiated by the user. For example, a digital TV receiving terminal provides an option to automatically search and display relevant information under certain conditions, such as switching channels or browsing channels in an EPG. When these options are selected, when the condition is triggered (the user switches the channel or browses the channel in the EPG), the digital TV receiving terminal can automatically perform the search operation later. Initiated by the user, for example, means that the user presses a certain button on the remote controller. Generally speaking, the name of the current program (the program being played or browsed in the EPG) can be used as a keyword to search in the service group association table. If exact retrieval fails to obtain a matching result, fuzzy matching can also be performed to find as much information about related programs as possible. the
步骤5中，显示检索结果可以采用预定的显示方式显示，上述显示方式例如可包括画中画（Picture in Picture，PIP）画外画（Picture Out Picture，POP）或者其组合。 In step 5, displaying the retrieval results may be displayed in a predetermined display manner, which may include, for example, Picture in Picture (PIP), Picture Out Picture (POP) or a combination thereof. the
具体地，如图2所示，PIP是指在主画面21（当前画面）中显示一个 或多个字画面22，在字画面中显示检索结果。检索结果可以包括直接内容或者间接内容，直接内容是指可以直接显示的内容如文字介绍、图片、或者视频等，而间接内容例如是指一个链接，只有在用户点击相应的链接后再加载相应的内容以显示。字画面22可以在显示预定时间后自动消隐，或者在用户按下遥控器时显示/隐藏。 Specifically, as shown in Figure 2, PIP refers to displaying one or more character screens 22 in the main screen 21 (current screen), and displaying retrieval results in the word screens. Search results can include direct content or indirect content. Direct content refers to content that can be displayed directly, such as text introductions, pictures, or videos, etc., while indirect content refers to a link. content to display. The text screen 22 can be automatically hidden after being displayed for a predetermined time, or displayed/hidden when the user presses the remote control. the
请参阅图3，POP是指在主画面31（当前画面）外部显示一个或多个副画面32，在副画面32中显示检索结果。当采用POP时，为了增加动感效果，还可以采用跑马灯的形式，即多个副画面32以顺时针或者逆时针的方向滚动。 Referring to FIG. 3 , POP refers to displaying one or more sub-pictures 32 outside the main picture 31 (current picture), and displaying search results in the sub-pictures 32 . When using POP, in order to increase the dynamic effect, the form of a marquee can also be used, that is, a plurality of sub-pictures 32 scroll in a clockwise or counterclockwise direction. the
可以理解，上述POP与PIP还可以组合使用。例如，用户在观看数字电视节目时对当前节目的其他相关信息感兴趣，其可以按下遥控器上的预定按键，以POP的形式在副画面32a中显示多个链接（参见图4），每个链接可以指向业务群关联表中的一个或多个字段。此时，副画面32a处于激活状态，用户可以采用遥控器中的方向键（上、下、左、右）切换当前激活的链接。副画面32b用于显示副画面32a中活动链接所指向内容的摘要、提示信息等内容。 It can be understood that the above POP and PIP can also be used in combination. For example, when a user is interested in other related information of the current program while watching a digital TV program, he can press a predetermined button on the remote controller to display multiple links in the secondary screen 32a in the form of POP (see FIG. 4 ), each A link can point to one or more fields in the business group association table. At this time, the secondary screen 32a is in an activated state, and the user can use the direction keys (up, down, left, and right) in the remote controller to switch the currently activated link. The sub-picture 32b is used to display content such as a summary and prompt information of the content pointed to by the active link in the sub-picture 32a. the
例如在图4中，针对最新评论的链接显示一条最新的评论，并提示确认之后会具有更多的详细内容，此时，字画面22可以是隐藏状态。在用户按下确认键后，如图4所示，以PIP形式在字画面22中显示链接“最新评论”所指向的内容。此时，副画面仍然可以处于激活状态以方便用户在不同的链接之中切换。 For example, in FIG. 4 , a latest comment is displayed for the link of the latest comment, and there will be more detailed content after prompting confirmation. At this time, the text screen 22 can be in a hidden state. After the user presses the confirmation key, as shown in FIG. 4 , the content pointed to by the link "latest comment" is displayed on the text screen 22 in the form of PIP. At this point, the secondary screen can still be in an active state to facilitate the user to switch between different links. the
此外，为了突出显示效果，在用户按下链接后，还可以采用全屏的方式显示相关信息，当然用户可以按下退出键返回按下链接之前的屏幕。或者，将相关信息作为一个图层直接叠加在当前播放的电视画面上显示。显示相关信息的图层可以是不透明或者不透明的。这种方式可以最大程度的 减少对当前画面产生影响。 In addition, in order to highlight the display effect, after the user presses the link, relevant information can also be displayed in a full-screen manner. Of course, the user can press the exit key to return to the screen before pressing the link. Alternatively, the relevant information can be displayed as a layer directly superimposed on the currently playing TV screen. Layers that display related information can be opaque or opaque. This method can minimize the impact on the current screen. the
步骤6例如可以是由用户主动发起的。分享至互联网例如可以是指将检索结果发送至专门的资源分享站以供其他用户使用，或者社交网站的个人页面中以给对此感兴趣的用户查看。 Step 6 may be initiated by the user, for example. Sharing to the Internet, for example, may refer to sending the search results to a dedicated resource sharing site for other users to use, or to a personal page of a social networking site for interested users to view. the
前面关于步骤1的描述中已经提到，数字电视的服务信息可以从与数字电视信号不同的来源处获取。上述资源分享站即可为服务信息的来源。每个数字电视终端即可以直接从资源分享站获取服务信息，还可以将检索到的内容上传至资源分享站作为服务信息的来源，以供其他用户使用。 As mentioned above in the description of step 1, the service information of the digital TV can be obtained from a source different from the digital TV signal. The resource sharing sites mentioned above can be the source of service information. Each digital TV terminal can directly obtain service information from the resource sharing station, and can also upload retrieved content to the resource sharing station as a source of service information for use by other users. the
而社交网站一般来说属于个人内容，只有对该用户感兴趣的人才会关注。 Social networking sites, on the other hand, generally belong to personal content, and only those who are interested in the user will pay attention. the
作为进一步的改进，在将检索结果发送至互联网之前，用户还可以进行编辑以使检索结果更加适于分享至互联网。上述编辑例如包括剪辑、修改等操作。以当前流利的微形博客（简称微博）为例一般只允许最多70个汉字。因此一般都需要对检索结果进行删减以符合要求。 As a further improvement, before sending the search results to the Internet, the user can also edit the search results to make the search results more suitable for sharing on the Internet. The above-mentioned editing includes operations such as clipping and modifying, for example. Taking the current fluent micro-blog (referred to as Weibo) as an example, generally only a maximum of 70 Chinese characters are allowed. Therefore, it is generally necessary to delete the search results to meet the requirements. the
本实施例的数字电视节目相关信息的搜索方法具有以下优点： The search method of digital television program related information of the present embodiment has the following advantages:
第一、基于互联网将相关信息涵盖的内容扩展至随时更新的内容； First, based on the Internet, expand the content covered by relevant information to content that can be updated at any time;
第二、扩展字段是在检索之前已经由数字电视接收终端在后台形成，在检索显示的时候并不会有网络延迟等现象的发生，可以最大程度提升用户使用体验； Second, the extended field has been formed by the digital TV receiving terminal in the background before the search, and there will be no network delay and other phenomena when the search is displayed, which can maximize the user experience;
第三、扩展字段中可以仅存储链接而不存储实际内容，可减少数据流量并节省业务群关联表的存储空间； Third, the extension field can only store links without storing actual content, which can reduce data traffic and save storage space in the business group association table;
第四、用户可以方便的将检索到的内容分享至互联网，使数字电视的社交性、使用方便性更高。 Fourth, the user can conveniently share the retrieved content to the Internet, making the digital TV more social and convenient to use. the
第二实施例 Second embodiment
图5为第二实施例提供的数字电视接收终端的结构框图。如图6所示，数字电视接收终端100包括：调谐器11、频道解调器12、存储器13、显示器14、及处理器15。 Fig. 5 is a structural block diagram of a digital television receiving terminal provided by the second embodiment. As shown in FIG. 6 , the digital TV receiving terminal 100 includes: a tuner 11 , a channel demodulator 12 , a memory 13 , a display 14 , and a processor 15 . the
调谐器11负责将高频信号解调成TS，而频道解调器12负责将来自调谐器11的TS还原成数字基带信号。 The tuner 11 is responsible for demodulating the high-frequency signal into TS, and the channel demodulator 12 is responsible for restoring the TS from the tuner 11 into a digital baseband signal. the
进一步参阅图6，处理器15包括获取单元151、解析单元152、检索单元153、扩展单元154、显示单元155以及分享单元156。获取单元151、解析单元152、检索单元153、扩展单元154、显示单元155以及分享单元156为软件功能模块。 Further referring to FIG. 6 , the processor 15 includes an acquisition unit 151 , an analysis unit 152 , a retrieval unit 153 , an expansion unit 154 , a display unit 155 and a sharing unit 156 . The acquiring unit 151 , analyzing unit 152 , retrieving unit 153 , expanding unit 154 , displaying unit 155 and sharing unit 156 are software function modules. the
其中，获取单元151用于从数字基带信号中获取服务信息；解析单元152用于对获取的服务信息进行解析并相应生成业务群关联表。业务群关联表可存储于存储器13内。检索单元153用于在业务群关联表中进行检索以得到检索结果。扩展单元154用于以业务群关联表的内容为索引从互联网上获取进一步的相关信息并作为业务群关联表的扩展字段。显示单元155用于控制显示器14以合适的显示方式显示检索结果给用户。分享单元156用于将检索结果分享至互联网。 Wherein, the obtaining unit 151 is used for obtaining service information from the digital baseband signal; the analyzing unit 152 is used for analyzing the obtained service information and correspondingly generating a service group association table. The service group association table can be stored in the memory 13 . The retrieval unit 153 is configured to perform retrieval in the business group association table to obtain retrieval results. The extension unit 154 is used to use the content of the business group association table as an index to obtain further relevant information from the Internet and use it as an extension field of the business group association table. The display unit 155 is used to control the display 14 to display the retrieval results to the user in a suitable display manner. The sharing unit 156 is used for sharing the retrieval results to the Internet. the
可以理解，获取单元151、解析单元152、检索单元153、扩展单元154、显示单元155以及分享单元155的具体操作过程一一对应于第二实施例的步骤1、2、35、4及5、6，可以进一步参阅第一实施例。 It can be understood that the specific operation process of the acquisition unit 151, the analysis unit 152, the retrieval unit 153, the extension unit 154, the display unit 155 and the sharing unit 155 correspond to steps 1, 2, 35, 4 and 5 of the second embodiment one by one. 6. You can further refer to the first embodiment. the
在本实施例的数字电视接收终端根据服务信息生成的业务群关联表中对数字电视节目相关信息的内容进行了扩充，并采取合适的形式显示给用户，更好的满足了用户了解数字电视节目相关信息的需要。 In the business group association table generated by the digital TV receiving terminal according to the service information in this embodiment, the content of the digital TV program related information is expanded and displayed to the user in an appropriate form, which better satisfies the user's understanding of the digital TV program. Relevant information needed. the
以上所述，仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭示如上，然而并非用以限定本发明，任何本领域技术人员，在不脱离本发明技术方案范围内，当可利用上 述揭示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案内容，依据本发明的技术实质对以上实施例所作的任何简介修改、等同变化与修饰，均仍属于本发明技术方案的范围内。 The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone skilled in the art , without departing from the scope of the technical solution of the present invention, when the technical content disclosed above can be used to make some changes or be modified into equivalent embodiments with equivalent changes, but as long as it does not depart from the technical solution of the present invention, the technical content of the present invention In essence, any brief modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solution of the present invention. the
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| PCT/CN2012/075035WO2013123723A1 (en) | 2012-02-24 | 2012-05-03 | Method for searching related information of digital television programs and digital television receiving terminal |
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