CN101420622B - Labeled television system for describing affair state of digital television set and describing method - Google Patents

Labeled television system for describing affair state of digital television set and describing method Download PDF

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CN101420622B
CN101420622B CN 200710176146 CN200710176146A CN101420622B CN 101420622 B CN101420622 B CN 101420622B CN 200710176146 CN200710176146 CN 200710176146 CN 200710176146 A CN200710176146 A CN 200710176146A CN 101420622 B CN101420622 B CN 101420622B
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event
time
data
tag
digital television
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CN 200710176146
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CN101420622A (en
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林伟
王建
胡勇新
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北京永新同方数字电视技术有限公司
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Abstract

The invention relates to a tag television system for describing the event state of a digital television and a description method, being applied in a digital television system. The digital television system comprises a code stream broadcasting device and a multiplexer. The tag television system comprises a tag editing unit used for calculating the basic offset time of the event state change according to the event state change displayed by a program code stream, describing start time and end time for broadcasting a television event by using the basic offset time and generating time data which is carried in a tag during the transmission; the digital television system also comprises a tagging unit which is respectively coupled with the code stream broadcasting device and the tag editing unit and used for sending out the tag which carries the time data at the time of the state change of the television event according to the event state change of the program code stream transmitted by the code stream broadcasting device; and the digital television system also comprises a tag data broadcasting unit which is coupled with the multiplexer and used for receiving the tag which carries the time data, packaging the tag to the designated transmission format and sending out the tag through the multiplexer.

Description

一种描述数字电视事件状态的标签电视系统及描述方法 A description of digital television event status label TV system and method described

技术领域 FIELD

[0001 ] 本发明涉及数字电视,尤其涉及一种用于描述数字电视事件状态的标签电视系统 [0001] The present invention relates to digital television, and more particularly a description of the label television system for digital television event status

及描述方法。 And a description of the method. 背景技术 Background technique

[0002] 当前的数字电视系统使用电子节目指南(EPG-Electronic ProgramGuide)定义数字电视事件(Event)信息。 [0002] Current systems use digital TV electronic program guide (EPG-Electronic ProgramGuide) definition of digital television event (Event) information. 数字电视事件也就是数字电视频道中具有起止时间的节目, 也即日常所说的电视节目,例如一集电视剧、一个电影、一项体育比赛、一则广告等都是一个事件;事件信息是针对正在播出或者将来一段时间内即将播出的数字电视节目,主要包括事件名称、事件播出开始时间、播出长度、事件描述等。 Digital television event that is digital television channels have programs start and end time, that daily said television programs, such as a TV set, a movie, a sports competition, an advertising is an event; event information is for being broadcast or future period of time will broadcast digital television programs, including the event name, event broadcast start time, broadcast length, the event description. 通过电子节目指南提供的这种容易使用的、界面友好的、可以快速访问节目的功能的使用,用户可以进行快速的节目预览和切换。 This provided through the electronic program guide is easy to use, friendly interface, you can use the feature to quickly access the program, users can quickly preview and program switching.

[0003] 尽管在满足普通用户节目浏览和切换应用方面,电子节目指南提供的信息和功能已经足够使用,但是另一方面,由于电子节目指南自身实现机制的限制,使其在满足终端用户对数字电视事件状态信息准确性和实时性要求较高的应用方面存在不足,例如:1、电子节目指南是使用绝对时间定义事件的播出时间,如果终端与前端的时钟不一致,则对事件状态判断会出现较大偏差;2、电子节目指南是以秒作为最小计时单位,不能实现更高精度的事件状态定义;3、电子节目指南的数据量较大,终端收表需要花费较长的时间,使得事件状态变化不能及时通知终端。 [0003] Although the program in meeting ordinary users to browse and switching applications, information and electronic program guide provided enough to use, but on the other hand, since the electronic program guide limiting mechanism of self-realization, so to meet the end-user digital TV event status information accuracy and real-time applications require a higher shortcomings, such as: 1, electronic program guide is an absolute time is defined using the broadcast time of the event, if the clock is inconsistent with the front end, the event will determine the state a larger deviation; 2, an electronic program guide as a minimum time unit in seconds, can not be achieved with higher accuracy definition of the event state; 3 amount of data, an electronic program guide is large, the terminal receiving table takes a long time, so that event status change can not promptly notify the terminal.

发明内容 SUMMARY

[0004] 为了解决上述现有技术中指出的使用电子节目指南描述事件状态所存在的不足, 本发明提供一种描述数字电视事件状态的标签电视系统及描述方法。 [0004] In order to solve the above-described prior art deficiencies noted in the use of an electronic program guide described by the present state of the event, the present invention provides a television system and a label description method for describing the state of the digital television event.

[0005] 根据本发明的一实施例,提出一种描述数字电视事件状态的标签电视系统,应用于数字电视系统,该数字电视系统包括码流播出设备和复用器,所述标签电视系统包括:标签编辑单元,用于根据节目码流显示的事件状态变化,计算出事件状态变化的基本偏移时间,使用该基本偏移时间描述数字电视事件播出的起止时间,生成标签发送时所携带的时间数据;打标签单元,与所述码流播出设备和标签编辑单元分别耦合,用于根据码流播出设备传输的节目码流的事件状态变化,将携带时间数据的所述标签在所述数字电视事件的状态变化时刻发送出去;标签数据播出单元,与所述复用器相耦合,用于接收携带时间数据的所述标签,并将其打包为指定传输格式,通过所述复用器发送出去。 [0005] According to one embodiment of the present invention, to provide a label that describes the digital television system television event state, applied to a digital television system, the apparatus comprising a digital television system and a multiplexer, said tag stream broadcast television system comprising: a label editing unit, according to a state change event displayed program stream, the calculated time base offset state change event, start and end time using the offset time substantially described digital television broadcast of the event, generated when the tag transmission carrying time data; tagging unit, with the tag stream playout device and editing unit are coupled, in accordance with a change in the state of the event stream broadcast transmission apparatus of the program stream, will carry the tag time data transmitting the digital television status change time out event; tag data broadcast unit, coupled to said multiplexer, for receiving said label carrying time data, and package transport format specified by the said multiplexer sent.

[0006] 根据本发明的另一实施例,提出一种数字电视事件状态的描述方法,该方法包括下列步骤:标签编辑单元根据节目码流显示的事件状态变化,计算出事件状态变化的基本偏移时间,使用该基本偏移时间描述相应的事件播出的起止时间,生成标签发送时所携带的时间数据;打标签单元根据码流播出设备传输的节目码流的事件状态变化,将该事件对应的携带时间数据的标签在该事件的状态变化时刻发送出去;标签数据播出单元将所述携 [0006] According to another embodiment of the present invention, a method is described of a digital television event state, the method comprising the steps of: editing unit according to the label state change event displayed program stream, the calculated basic partial state change event shift time, using the time base offset described start and end time of the corresponding broadcast event generation time transmission data carried by the tag; tagging unit according to a state change event stream broadcast transmission apparatus of the program stream, the tag corresponding to the event time data carried out in the state of the transmission event timing change; tag data carry the broadcast unit

4带时间数据的标签打包为指定传输格式通过复用器传输。 4 with the time tag data is packed into the designated transmission format transmitted through a multiplexer.

[0007] 本发明提供的标签电视系统及数字电视事件描述方法能够满足对事件状态的准 [0007] Digital television systems and tab television event description provided by the method of the present invention can satisfy the quasi event status

确性、精度和实时性有较高要求的各种终端应用。 Correctness, accuracy and real-time applications with a variety of high end requirements. [0008] 附图说明 [0008] BRIEF DESCRIPTION OF DRAWINGS

[0009] 此处所说明的附图用来提供对本发明的进一步理解,构成本申请的一部分,并不构成对本发明的限定。 [0009] The drawings described herein are provided for further understanding of the present invention, constitute a part of this application, do not limit the present invention. 在附图中: In the drawings:

[0010] 图1为本发明的标签电视系统的结构框图; A block diagram [0010] FIG tab television system 1 of the present invention;

[0011] 图2为本发明的标签电视系统应用于数字电视系统的结构简图; [0012] 图3为本发明的数字电视事件描述方法的流程图。 [0011] applied to a digital television system tag configuration diagram of the television system of the present invention. FIG. 2; a flow diagram of a digital television event description method of the present invention [0012] FIG.

具体实施方式 Detailed ways

[0013] 为使本发明实施例的目的、技术方案和优点更加清楚明白,下面结合实施例和附图,对本发明实施例做进一步详细说明。 [0013] The object of the present invention embodiment, technical solutions and advantages clearer, the following Examples and the accompanying drawings, described in further detail embodiments of the present invention. 在此,本发明的示意性实施例及其说明用于解释本发明,但并不作为对本发明的限定。 In this exemplary embodiment of the present invention are used to explain the present invention but are not intended to limit the present invention.

[0014] 下面结合附图和具体实施例对本发明的系统和方法进行详细说明。 Drawings and specific embodiments of the system and method of the present invention will be described in detail [0014] below in conjunction. [0015] 首先,请参照图l,在本实施例中,本发明的标签电视系统14是应用于数字电视系统,与数字电视系统的码流播出设备11及复用器13分别耦合,用于对码流播出设备传输的节目码流中的数字电视事件的状态进行分析和判断,用标签数据的形式标识并描述数字电视事件的精确的状态变化,同时设置一个相应的动作,例如切换到应用数据或开始录制节目等,以根据数字电视系统终端用户的请求,在所述数字电视事件的状态变化时执行该动作,并通过复用器13将所述标签数据发送出去,以便数字电视系统的终端用户在选择或设定收看的节目时,可以更为主动,且不至于因为时钟偏差而影响收视效果。 [0015] First, referring to FIG. L, in the present embodiment, the television system of the invention the label 14 is applied to a digital television system, digital television system the code stream playout device 11 and the multiplexer 13 are respectively coupled with in the event the state of the digital TV broadcast stream of the program stream transmission apparatus of analyze and judge, in the form of identification tags and accurately describe the data state change events in a digital television, and set a corresponding action, for example, switching to start recording the data to the application program or the like, a digital television system in accordance with the request of the end user, the operation performed when the state change of the digital television event, and sent through multiplexer 13 to the tag data for the digital TV end-user system in the selected or set watch programs can be more active, and will not affect the clock skew because of television ratings. [0016] 在本实施例中,是以码流播出设备播出一路节目码流为例,本发明的标签电视系统即是针对这路节目码流中的事件进行状态描述和动作设置,在其他实施例中,也可是针对两路或更多路节目码流中的事件进行状态描述和动作设置,这些都包含于本发明的保护范围。 [0016] In the present embodiment, the apparatus is a broadcast stream broadcast one program stream, for example, labels, i.e., the television system of the present invention is directed to this road program stream events and actions described in a state set in other embodiments may also be described and the operation of the state set for two or more channel program stream events, which are included in the scope of the present invention.

[0017] 如图1所示,本实施例的标签电视系统14包括标签编辑单元141、打标签单元142 以及标签数据播出单元143,其中: [0017] As shown in FIG 1, the tag television system embodiment 14 of the present embodiment includes a label editing unit 141, tagging unit 142 and a tag unit 143 broadcast data, wherein:

[0018] 标签编辑单元141用于根据数字电视事件状态变化,计算出事件状态变化的基本偏移时间,使用该基本偏移时间描述所述数字电视事件播出的起止时间,生成标签发送时所携带的时间数据。 [0018] The label editing unit 141 according to digital television state change event, the event state change the calculated basic offset time, the beginning and ending time using substantially offset time event described in the digital television broadcast, when transmitting the generated tag carrying time data. 每个业务在某一时刻使用两个标签分别描述当前事件的结束偏移时间和下一个事件的开始偏移时间,偏移时间相对于事件在终端的播出起止时间计算,以毫秒(ms)作为最小单位。 Use two labels each service at some point describe the start offset time shift end time of the current event and the next event, the offset time relative to broadcast the event start and end time of the terminal calculated in milliseconds (ms) as the smallest unit. 例如,某个事件的开始偏移时间为3500ms,表示该事件在3. 5秒后在终端开始播出;某个事件的结束偏移时间为1200ms,表示该事件在1. 2秒后在终端结束播出。 For example, an event start time is offset 3500ms, which indicates 3.5 seconds after the event start playing at the terminal; an event ending offset time 1200ms, indicating that the event after 1.2 seconds at terminal the end of the broadcast. 另外,上述的数字电视事件的状态变化,也即播出信息可以从各种渠道获取,例如可以从电子节目指南的事件(节目)预告中获得播出信息,或者也可以从存储单元中存储的事件(节目)预告中获得播出信息,甚至可以从预告数字电视事件的各种媒体来获得,本发明并不加以限制。 In addition, the state change of the digital television event that is broadcast information can be obtained from various sources, such as broadcast information can be obtained from the event (program) electronic program guide notice or can be stored from the storage unit event (program) notice in obtaining broadcast information, and even can be obtained from a variety of media trailers digital television event of the present invention is not limited thereto.

[0019] 其中,所述业务是指每个数字频道传输的码流,也即数字电视的一个播出节目流,如CCTV1、 BTV1等,每个业务根据传输时间顺序由多个事件组成,而每个事件就是一个节目,如背景技术所述。 [0019] wherein, said traffic streams refers to each digital transmission channel, i.e. a digital TV broadcast program stream, such as CCTV1, BTV1 the like, according to each traffic transmission time sequence of a plurality of events, and each event is a program, such as the background. 举例说明,CCTV1在7点整开始播放新闻, 一直到7点半插播五分钟广告,而后继续该新闻的播放,直到8点整,那么在7点到8点的这一个小时内,该CCTV1业务包括了三个事件,即7:00〜7:30的新闻、7:30〜7:35的广告、7:35〜8:00的新闻。 Illustration, CCTV1 whole start playing at 7 o'clock news until 7:30 Stream five minutes ad, then continue to the news broadcast until 8:00 sharp, so in this one-hour 7:00 to 8:00, which CCTV1 business including the three events, namely 7: news, 30 7:: 00~7 30~7: ad 35, 7: 35~8: 00 news. [0020] 打标签单元142与码流播出设备11相耦合,用于根据码流播出设备传输的业务(节目码流)中的数字电视事件的状态变化,将标签编辑单元生成的携带时间数据的标签在该事件状态变化时刻发送出去。 [0020] playing tag unit 142 is coupled to the code stream playout device 11, for broadcasting in accordance with the state of stream traffic transmission device (program stream) in the event of changes in a digital television, a portable label editing unit generating time tag data is sent in the event status change time. 其中,判断事件状态变化的方法可以通过采集、观察和选择I帧的方法,因为在MPEG编码中,画面一般被分为三种,即内部编码帧1、前向预测帧P以及双向内插帧B,由于I帧的编码方式类似于JPEG图像编码方式,显示完全的画面图片,可用于观测画面,而B帧和P帧属于不完全画面,不能用于观测画面,因此,采取选择I帧观察的方法。 Wherein the state change event is determined by the method of collection, observation and selection of an I frame, as in MPEG encoding, a picture is generally divided into three types, i.e. an intra-coded frame, forward predictive frames P, and bidirectional interpolated frame to B, because the I frame encoding is similar to JPEG image coding method, showed complete picture to be used to observe the screen, while the B and P frames belonging to an incomplete picture, not for observing the screen, therefore, select the I-frame was observed to take Methods. 该打标签单元142从码流播出设备传输的节目码流中采集I帧,并在程序界面上显示,因为每个I帧都包括帧产生的时间信息,如果当前事件状态在某个I帧的时刻发生变化,则打标签单元142将针对该事件标签编辑单元生成的携带时间数据的标签在所述I帧的时刻发送出去。 The tagging unit 142 from the code stream transmitted broadcast program stream I frame acquisition device, and displayed on the program interface, because each I frame includes the generated time information frame, if the current event status of an I frame in a certain time changes, the playing time data carrying label tag unit 142 for the event generating unit to edit the label sent in the I frame timing.

[0021] 标签数据播出单元143与所述复用器13相耦合,用于将所述打标签单元142发送的携带时间数据的标签打包为指定传输格式,并通过所述复用器13将该打包的标签数据复用到数字电视系统的网络中进行传输。 [0021] The tab 13 is coupled to the data broadcast and the multiplexer unit 143 for the tag to tag carrying unit 142 transmits time data to the specified transmission format package, and through the multiplexer 13 the packed data tags multiplexed network for transmission of digital television system. 其中,标签数据打包可以通过使用软件工具把该标签数据制作成特定格式的数据文件。 Wherein the tag data package by using software tools to create the tag data into a data file in a specific format. 并且,在数字电视系统的传输流中,标签数据是以独立的业务播出,每个标签的数据放到一个段(section)中,打包到一个传输流(TS: Transport Stream)包中播出,不同标签的数据在打包组织和传输过程中互不影响。 Further, the transport stream of digital television system, the tag data is independent broadcast service, the data of each segment into a tag (sectionTop), packed into a transport stream (TS: Transport Stream) packet playout , independently of each other at different labels data package transmission process and organization. 另外, 携带标签数据的业务可以在多个传输流中发送,每个业务中包含相同的标签数据,数字电视系统的终端可以在一路标签数据业务中收到标签电视系统14针对当前传输流和其他传输流中数字电视业务发送的标签数据。 Further, the label carrying data traffic may be sent in a plurality of transport streams, each traffic data included in the same tag, the terminal can receive a digital television system in the way of the tag label data service 14 for the current television system and other transport streams tag in the digital transport stream data transmitted television service. 比如对A、 B两个数字频道的节目制作标签数据,虽然A、 B两路电视节目为不同的传输流,但是分别描述针对A频道与B频道的两个标签数据可以用一路TS流发送,使终端在一路标签数据业务中收到。 Programming data such as labels A, B of the two digital channels, although the A, B of two different television program transport streams, respectively, but the description is directed to two channels A and B tag data channel may be transmitted by way TS stream, in the way that the terminal receives the tag data traffic. 而在任何时刻,针对一个业务最多同时发送两个标签,分别描述当前事件的结束和下一个事件的开始,这样保证以很小的带宽发送较多的事件状态信息。 And at any time, at the same time send a maximum of two labels for a business, describe the beginning and the end of the next event of the current event, thus ensuring very little bandwidth to send more event status information. 以网络中有20个传输流,每个传输流中包IO个业务计算,完整地定义200个业务中某一时刻所有正在播放和即将播放的事件的标签,需要30080 个比特的数据量,使用31Kbps的带宽可以在1秒钟内将这些标签数据发送完毕。 In the network 20 transport streams, each transport stream packet traffic IO a calculation, fully define the labels of all upcoming play and is playing the business event at a time 200, the amount of data of 30,080 bits, using 31Kbps bandwidth these tags can transmit data, within 1 second. 如此大大减少了数据传输量并提高了传输效率。 Thus greatly reducing the amount of data transmission and improve transmission efficiency.

[0022] 根据本发明的一实施例,该标签电视系统还包括至少一个动作设置单元(图未示),该动作设置单元可包含于标签编辑单元141,用于在标签中定义一种数据,该数据用于通知终端在数字电视事件开始或结束时刻进行相应的动作。 [0022] According to one embodiment of the present invention, the tag further comprises at least one television system setting operation unit (not shown), which may be included in the operation setting unit 141 label editing unit configured to define a data in the tag, the data terminal for notifying the start or end time of the corresponding operation in the digital television event. 例如,如果数字电视系统的终端用户不想收看码流播出设备传输的节目码流中的某一事件(例如广告),则可以通过终端操作(例如输入某按键)触发相应的动作设置单元,如应用数据切换单元,在该事件开始或者在该事件的前一事件结束时,切换到应用数据,这里的应用数据可以是运营商自行下发的码流,例如图片、文字、音频、视频等。 For example, if the end user does not want the digital television system of an event (e.g., advertising) to watch broadcast stream transmission apparatus program stream, the terminal can operate (e.g., a key input) action is triggered setting unit, such as application of the data switching unit, the start or the end of the previous event of the event, switching to the application data in the event, where the application data may be an operator itself issued stream, such as images, text, audio, video and the like. 再比如,如果数字电视系统的终端用户希望录制某事件(例如电影),该事件可能是码流播出设备下发的,也可能是本地运营商下发的, 则可以通过终端操作(例如输入某按键)触发相应的动作设置单元,如录制单元,在该事件开始或者在该事件的前一事件结束时,开始录制动作。 As another example, if the end user to record desired digital television system an event (e.g., a movie), the event may be issued stream playout device, it may be delivered by the local operator, through the operation of the terminal (e.g. input a key) triggers a corresponding action setting unit, such as a recording unit, in the event the beginning or at the end of the previous event of the event, start recording operation.

[0023] 根据本发明的一实施例,该标签电视系统还包括一个综合修正值生成单元(图未示),该综合修正值生成单元可包含于标签编辑单元141,用于在综合考虑了事件播出延时、业务数据流在数字电视系统的传输设备和数字电视网络中的传输延时、标签数据在数字电视系统的传输设备和数字电视网络中的传输延时等因素的综合影响后,生成综合修正值At,以修正事件播出起止偏移时间值,也即修正基本偏移时间AT,得到一个更为精确和准确的偏移时间。 [0023] According to an embodiment of the present invention, the television system further comprises a tag comprehensive correction value generating means (not shown), the comprehensive correction value generating means may be included in the label editing unit 141, in consideration for the event broadcast delay in transmitting traffic data stream transmission equipment and digital television network digital television system delay, after the combined effects of factors such as tag data transmission delay in transmission equipment and digital television network in the digital television system, generate comprehensive correction value at, to correct an event broadcast starting and ending offset time value, that is correcting the basic offset time aT, to get a more precise and accurate offset time. 例如,如果在考虑综合修正值之前的事件状态的基本偏移时间为AT, 则考虑了综合上述多项影响因素后的得出的偏移时间为AT+At。 For example, if the fundamental shift in the time of the event considering the state before the comprehensive correction value AT, it considers the time offset resulting Taking these various factors affecting the back of AT + At.

[0024] 换句话说,标签的偏移时间由基本偏移时间和修正偏移时间相加获得。 [0024] In other words, the tag obtained by adding the offset time from the time base offset correction and offset time. 基本偏移时间是依据节目播出时间、标签发送时间等相对稳定的客观因素计算出的偏移值。 Substantially offset time based on the time the program is broadcast, tag transmission time is relatively stable objective factors calculated offset value. 修正偏移时间是在考虑了设备、网络等因素综合影响后得出的一个经验修正值,使用该经验修正值对基本偏移时间进行修正,从而得出准确的标签偏移时间。 Correction offset time is considered an empirical correction value equipment, network and other factors affect the results of using the learning correction value for correcting fundamental shift time to arrive at an accurate label offset time.

[0025] 根据本发明的另一实施例,该标签电视系统还包括文件数据打包单元144和数据广播播出单元145,其中: [0025] According to another embodiment of the present invention, the tag further comprises a television system file data packing unit 144 and a data broadcast the broadcast unit 145, wherein:

[0026] 文件数据打包单元144,用于将运营商自己制作或编辑的应用数据,或者数字电视系统的终端应用所需的应用数据打包为传输流格式的文件,发送给数据广播播出单元145 播出出去,这里的应用数据可以为图片、文字、音频、视频等。 Application Data [0026] File data packing unit 144, the application data for the operator's own production or editing, or the desired end application of the digital television system is packaged as a transport stream format file, the data broadcast is sent to the broadcast unit 145 aired out, where application data can be images, text, audio, video and so on.

[0027] 数据广播播出单元145,与所述复用器13相耦合,用于接收所述文件数据打包单元144生成的文件,并将该文件通过所述复用器13复用到数字电视网络中发送出去。 [0027] The broadcast data broadcast unit 145, and the multiplexer 13 is coupled to receive the file data packing unit 144 generates a file, and the file is multiplexed by the multiplexer 13 a digital television the network sent out. [0028] 根据本发明的另一实施例,该标签电视系统还包括存储单元146,该存储单元146 可以分别与标签编辑单元、打标签单元和文件数据打包单元相耦合,用于存储传输流、频道信息、节目信息、标签信息、相关的日志文件等,例如数字电视事件的预告信息。 [0028] According to another embodiment of the present invention, the tag further comprising a television system storage unit 146, the memory unit 146 may tag each editing unit, tagging unit and packing unit coupled to a data file to store the transport stream, channel information, program information, tag information, related log files, such as digital television schedule information events. 另外,该存储单元16还可以存储运营商自己编辑制作的应用数据,如图片、文字、音频、视频等(例如本地广告),提供给文件数据打包单元144进行打包处理。 Further, the storage unit 16 may also store operator's own editing application data, such as images, text, audio, video, etc. (e.g., local advertising), file data is supplied to the packing unit 144 for packing process.

[0029] 需要说明的是,为了使数字电视系统的终端能够对标签进行及时响应,还可以在数字电视系统的中增设一个码流延时器12,该码流延时器连接于码流播出设备11和复用器13之间,以便延时播出所述码流播出设备传输的传输流。 [0029] Incidentally, in order to make the terminal of a digital television system capable of timely response tag, may also delay the addition of a stream in the digital television system 12, which stream is connected to the code delay streaming between the device 11 and the multiplexer 13, so as to delay the broadcast stream broadcast transport stream devices.

[0030] 上述实施例是本发明提供的用于描述数字电视事件状态的标签电视系统,本发明还提供一种数字电视事件状态的描述方法,应用于数字电视系统,准确描述数字电视系统的码流播出设备所下发的数字电视码流的数字电视事件状态,请参照图2所示的系统结构简图和图3所示的流程图,该方法包括下列步骤: [0030] The above embodiment is a television system tag for describing the present invention provides a digital television event state, the present invention also provides a method described in a digital television event state, applied to a digital television system, an accurate description of the digital television system code a digital television broadcast stream status event device delivers a digital TV stream, refer to FIG. 2, and the flowchart diagram of a system configuration shown in figure 3, the method comprising the steps of:

[0031] 码流播出设备发送节目码流,通过延时器、复用器等传输到终端; [0031] stream playout device transmits a program stream, is transmitted to the terminal through a delay, a multiplexer and the like;

[0032] 本发明的标签电视系统的标签编辑单元根据从某渠道获得的所述节目码流的事 [0032] The matter of the television system of the present invention the tag label editing unit according to the program code obtained from a flow channel

件播出信息,计算出各个事件状态变化的基本偏移时间,使用该基本偏移时间描述所述各 Broadcast information pieces, calculates the time base offset each state change event using the time base offset describing the respective

个事件播出的起止时间,生成各个事件的标签发送时所携带的时间数据,并将该标签发送 Broadcast start and end time event generation time of each event tag data carried by the transmission, and transmits the tag

到打标签单元; To the tagging unit;

[0033] 打标签单元根据所述码流播出设备发送的节目码流的事件状态变化,将该事件对应的所述标签在该事件状态变化时刻发送到标签数据播出单元; [0033] The tagging units of the event status code stream sent by the broadcast program stream changes, the tag corresponding to the event broadcast data transmitted to the tag unit in the event state change time;

[0034] 标签数据播出单元接收所述标签,将其打包为指定的传输格式,发送到所述复用器; [0034] The data broadcast unit receives the tag label, package it into a designated transmission format and sent to the multiplexer;

[0035] 复用器接收到码流播出设备传输的节目码流的事件及标签电视系统传输的该事 [0035] The multiplexer receives the broadcast event the matter stream transmission apparatus and the label of the program stream transmitted television system

件的标签数据,将两者一起下发到终端,供终端及时对标签数据进行响应。 Label data member, both issued to the terminal together, in time for the terminal in response to the data tag.

[0036] 为了准确地描述数字电视事件状态,本发明的方法还可以包括一个修正基本偏移 [0036] In order to accurately describe the state of the digital TV event, the method of the present invention may further comprise a base offset correction

时间的步骤,即在考虑了设备、网络等因素综合影响后得出的一个经验修正值,使用该经验 Step time, that is considered a learning correction value equipment, network and other factors affect the results of using this experience

修正值对基本偏移时间进行修正,从而得出准确的标签偏移时间。 A correction value for correcting the time base offset, to arrive at an accurate time offset tag.

[0037] 另外,本发明的数字电视事件状态的描述方法还可以在标签中定义通知终端在数字电视事件开始或结束时刻进行相应的动作的数据,如切换到应用数据、开始录制等等,以为终端提供更多的应用。 [0037] Further, a method of digital television event state may be defined according to the present invention may also notify the terminal at the start or end time of digital television event data of the corresponding operation, such as switching to the application data, starts recording, in the tag, that terminal to provide more applications. 为了更好地描述数字电视事件状态及配合终端应用,该方法还增加了一个存储步骤,用于存储传输流、频道信息、节目信息、标签信息、相关的日志文件等, 如存储数字电视事件的播出信息,以便据以计算出事件状态变化的基本偏移时间,使用该基本偏移时间描述事件播出的起止时间,生成标签发送时所携带的时间数据;再如存储一些应用数据,以便根据终端的请求使用该应用数据。 In order to better describe the state of the event and with a digital television application terminal, which further increases the storage step of storing a transport stream, channel information, program information, tag information, etc. related to the log file, storage of digital television event broadcast information, so according to the time base offset state change event is calculated using the time base offset described event broadcast starting and ending time, generated time data transmission carried by the label; Again store some application data, for using the application data in accordance with request of the terminal. 上述应用数据的传送是通过文件数据打包单元将其打包为传输流格式的文件并通过数据广播播出单元发送到复用器传送出去的。 Transmitting the application data file is a data file by packing unit, packed into a transport stream format and is transmitted to the broadcast unit broadcasting the data sent out of the multiplexer.

[0038] 为了使终端及时响应本发明的标签电视系统所下发的对应节目码流的包含时间数据的标签,本发明的数字电视事件状态的描述方法还增加了一个延迟步骤,通过码流延时器延时播出码流播出设备下发的节目码流,达到上述目的。 [0038] In order to make the terminal timely response tag contains time data tag television system according to the present invention is issued the corresponding program stream, a method of digital television event state according to the present invention further adds a delay step through code casting when the broadcast stream is delayed by a device broadcast program stream, to achieve the above object.

[0039] 总之,本发明提供的标签电视系统及数字电视事件描述方法,通过在数字电视传输流中插入标签数据实现对数字电视事件状态的描述,其特有的事件状态判断方法、事件状态描述方法和数据发送方法能够保障及时准确地通知终端数字电视事件的状态,在事件状态准确性和实时性方面克服了电子节目指南系统的不足,而且基于标签数据提供的事件状态信息,能够快速准确的将事件状态发送到终端,可以在终端实现对事件状态信息准确性要求较高的应用。 [0039] In summary, the label television system and a digital television event the present invention provides methods described implementation described digital television event state by inserting the tag data in a digital television transport stream, its unique event status determination method, event status description method and a data transmission method can guarantee timely and accurately inform the state of the terminal digital television event, overcoming the event status and real-time accuracy in terms of the lack of an electronic program guide system, and based on the event status information label data provided, will be able to quickly and accurately event status is sent to the terminal, it can achieve a higher state of event information accuracy requirements of the application in the terminal.

[0040] 以上所述的具体实施例,对本发明的目的、技术方案和有益效果进行了进一步详细说明,所应理解的是,以上所述仅为本发明的具体实施例而已,并不用于限定本发明的保护范围,凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。 [0040] The foregoing specific embodiments of the object, technical solutions, and advantages of the invention will be further described in detail, should be understood that the above descriptions are merely embodiments of the present invention, it is not intended to limit the scope of the present invention, all within the spirit and principle of the present invention, any changes made, equivalent substitutions and improvements should be included within the scope of the present invention.

Claims (16)

  1. 一种描述数字电视事件状态的标签电视系统,应用于数字电视系统,该数字电视系统包括码流播出设备和复用器,其特征在于,所述标签电视系统包括:标签编辑单元,用于根据节目码流显示的事件状态变化,计算出事件状态变化的基本偏移时间,使用该基本偏移时间描述数字电视事件播出的起止时间,生成标签发送时所携带的时间数据;打标签单元,与所述码流播出设备和标签编辑单元分别耦合,用于根据码流播出设备传输的节目码流的事件状态变化,将携带时间数据的所述标签在所述数字电视事件的状态变化时刻发送出去;标签数据播出单元,与所述复用器相耦合,用于接收携带时间数据的所述标签,并将其打包为指定传输格式,通过所述复用器发送出去。 A description of the digital television system tag television event state, applied to a digital television system, the system comprises a digital television stream playout device and a multiplexer, wherein said label television system comprising: a label editing unit, for the state change event displayed program stream, the calculated time base offset state change event using the time base offset described event start and end time of digital television broadcast, the label generation time data transmission carried; tagging unit , with the playout device and a stream editing unit are respectively coupled to the label, according to a state change event stream broadcast transmission apparatus of the program stream, will carry the status of the digital television event data in the tag time changing moment transmitted; tag data broadcast unit, coupled to said multiplexer for receiving said label carrying time data, and package to the specified transmission format, sent through the multiplexer.
  2. 2. 根据权利要求1所述的标签电视系统,其特征在于,所述标签编辑单元还包括至少一个动作设置单元,用于在标签中定义通知终端在数字电视事件开始或结束时刻进行相应的动作的数据。 2. Label television system according to claim 1, wherein said label editing unit further comprises at least one operation setting unit for informing the terminal in the tag defines the start or end time of digital television event corresponding action The data.
  3. 3. 根据权利要求2所述的标签电视系统,其特征在于,所述动作设置单元为应用数据切换单元,用于根据数字电视系统的终端的输入在数字电视事件结束时刻切换到应用数据。 3. The label television system of claim 2, wherein said operation unit is provided to apply the data switching unit for switching the digital television event time to the end of the application data according to an input terminal of the digital television system.
  4. 4. 根据权利要求2所述的标签电视系统,其特征在于,所述动作设置单元为录制单元, 用于根据数字电视系统的终端的输入在数字电视事件开始时刻开始录制动作。 4. The label television system of claim 2, wherein said operation unit is a recording unit provided for starting the digital television event time to start recording operation based on the input terminal of the digital television system.
  5. 5. 根据权利要求1所述的标签电视系统,其特征在于,所述标签编辑单元还包括一个综合修正值生成单元,用于根据设备、网络因素的影响生成综合修正值以修正所述基本偏移时间。 The label television system according to claim 1, wherein said label editing unit further comprises a comprehensive correction value generating means for generating a correction value according to the integrated impact device, the network factor to correct said bias substantially shift time.
  6. 6. 根据权利要求1所述的标签电视系统,其特征在于,该标签电视系统还包括: 存储单元,与所述标签编辑单元和打标签单元分别耦合,用于存储标签日志、数字电视事件的播出信息及或应用数据。 The label television system according to claim 1, characterized in that the television system further tag comprising: a storage unit, the editing unit and the tag tagging units are coupled, a log for storing tag, digital television event or broadcast information and application data.
  7. 7. 根据权利要求6所述的标签电视系统,其特征在于,该标签电视系统还包括:文件数据打包单元,与所述存储单元相耦合,用于将应用数据打包为传输流格式的文件;数据广播播出单元,与所述复用器相耦合,用于将所述文件数据打包单元生成的文件通过所述复用器发送出去。 7. The label of the television system according to claim 6, wherein the tag television system further comprising: a data file packing unit, coupled to said storage means, for packaging the application data into a transport stream format file; broadcast data broadcast unit, coupled to said multiplexer, the data file for the package file generation unit sent through the multiplexer.
  8. 8. 根据权利要求1所述的标签电视系统,其特征在于,所述数字电视系统还包括: 码流延时器,与所述码流播出设备和所述复用器相耦合,用于延时播出所述码流播出设备传输的传输流,以使数字电视系统的终端及时响应携带时间数据的所述标签。 The label television system according to claim 1, wherein the digital television system further comprising: a delay code stream, and the stream playout device and coupled to the multiplexer, for delay the broadcast stream broadcast transport stream devices, so that the terminal of a digital television system carrying the tag timely response time data.
  9. 9. 一种数字电视事件状态的描述方法,其特征在于,该方法包括下列步骤: 标签编辑单元根据节目码流显示的事件状态变化,计算出事件状态变化的基本偏移时间,使用该基本偏移时间描述相应的事件播出的起止时间,生成标签发送时所携带的时间数据;打标签单元根据码流播出设备传输的节目码流的事件状态变化,将该事件对应的携带时间数据的标签在该事件的状态变化时刻发送出去;标签数据播出单元将所述携带时间数据的标签打包为指定传输格式通过复用器传输。 A method is described of a digital television event state, wherein the method comprises the steps of: editing unit according to the label state change event displayed program stream, the calculated time base offset state change event, the use of the partial base time data when time shift start and end times corresponding to the event described broadcast, transmitting the generated tag carried; tagging unit according to a state change event broadcast program transmission apparatus stream stream, the event carrying the corresponding time data label sent in the time of the state change event; tag data broadcast time tags the data unit carrying the designated transmission format packed into transmission through a multiplexer.
  10. 10. 根据权利要求9所述的方法,其特征在于,该方法还包括下列步骤: 在所述标签中定义通知终端在数字电视事件开始或结束时刻进行相应的动作的数据。 10. The method according to claim 9, characterized in that the method further comprises the steps of: defining the start informing the terminal in a digital television or an event end time data of the corresponding operation in the tag.
  11. 11. 根据权利要求io所述的方法,其特征在于,所述动作为切换到应用数据,则该方法包括下列步骤:根据数字电视系统的终端的切换到应用数据的请求,在数字电视事件结束时刻切换到应用数据。 11. The method of claim io, wherein the operation to switch to the application data, the method comprising the steps of: requesting application data according to the switching terminal of a digital television system, digital television event ends switching timing to the application data.
  12. 12. 根据权利要求10所述的方法,其特征在于,所述动作为开始录制,则该方法包括下列步骤:根据数字电视系统的终端的录制请求,在数字电视事件开始时刻开始录制动作。 12. The method according to claim 10, wherein the recording operation is started, the method comprising the steps of: according to request of the terminal to record a digital television system, digital television event time begins to start recording operation.
  13. 13. 根据权利要求9所述的方法,其特征在于,该方法还包括下列步骤: 根据设备、网络因素的影响生成综合修正值以修正所述基本偏移时间。 13. The method according to claim 9, characterized in that the method further comprises the steps of: generating a correction value according to the integrated impact device, the network factor to correct the time base offset.
  14. 14. 根据权利要求9所述的方法,其特征在于,该方法还包括下列步骤: 存储数字电视事件的播出信息,以便据以计算出事件状态变化的基本偏移时间,使用该基本偏移时间描述事件播出的起止时间,生成标签发送时所携带的时间数据;以及或者存储应用数据,以便根据终端的请求使用该应用数据。 14. The method according to claim 9, characterized in that the method further comprises the steps of: storing the digital broadcast television event information, so as to substantially offset time according to the event state change is calculated using the base offset time description broadcast event start and end time, the time to generate tag data transmission carried; and data storage applications, or to use the data in accordance with request of the terminal application.
  15. 15. 根据权利要求14所述的方法,其特征在于,该方法还包括下列步骤: 文件数据打包单元将所述应用数据打包为传输流格式的文件并通过数据广播播出单元发送到复用器。 15. The method according to claim 14, wherein the method further comprises the steps of: packing unit the file data to the application data is packaged as file transfer and stream format to the multiplexer unit transmits broadcast data broadcast by .
  16. 16. 根据权利要求14所述的方法,其特征在于,该方法还包括下列步骤: 延时播出码流播出设备传输的节目码流到复用器,以使数字电视系统的终端及时响应所述携带时间数据的标签。 16. The method according to claim 14, wherein the method further comprises the steps of: a terminal delay broadcast program data broadcast stream flows multiplexer transmission device, so that the digital television system timely response said time data carrying label.
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