CN1711757B - 用于显示嵌入在广播媒体信号中的文本数据的方法和设备 - Google Patents

用于显示嵌入在广播媒体信号中的文本数据的方法和设备 Download PDF

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CN1711757B
CN1711757B CN2003801033642A CN200380103364A CN1711757B CN 1711757 B CN1711757 B CN 1711757B CN 2003801033642 A CN2003801033642 A CN 2003801033642A CN 200380103364 A CN200380103364 A CN 200380103364A CN 1711757 B CN1711757 B CN 1711757B
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text data
broadcast
wireless terminal
media signal
broadcast media
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CN1711757A (zh
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M·S·韦尔奇
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Sony Mobile Communications AB
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Sony Ericsson Mobile Communications AB
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Abstract

依照本发明的实施例，在广播媒体接收器处接收到广播媒体信号。广播媒体信号包括文本数据。提取文本数据并通过无线耦合将其发送到无线终端。

Description

用于显示嵌入在广播媒体信号中的文本数据的方法和设备
技术领域
本发明涉及广播媒体系统，并且更具体地涉及广播媒体信号中文本消息的集成。
背景技术
一些广播电视信号包含加密字幕文本消息。文本消息有时在电影、新闻广播和其它节
目中出现在电视显示屏的底部。加密字幕通常对应节目中所讲的话，且典型地与所讲的话同时出现和消失。加密字幕文本消息的用途受限于用户读取电视显示屏上的文本并在文本消息消失后记住它的能力。
发明内容
依照本发明的实施例，在广播媒体接收器处接收到广播媒体信号。广播媒体信号包括文本数据。文本数据被提取出来并通过无线耦合被传送到无线终端。
依照本发明的附加实施例，广播媒体信号可以包含电视信号，而文本数据可以包含加密字幕文本。还在其它实施例中，文本数据可以按照蓝牙、蜂窝或者无线局域网协议被传输到无线终端。所传输的文本数据可以包括电话号码、逻辑网络地址、程序指令和/或软件代码。然后无线终端可以使用电话号码发起一个电话呼叫以及/或者使用逻辑网络地址启动网络连接。还在其它实施例中，所传送的文本数据可以包括用于无线终端可以如何格式化文本数据以供其显示的指令。
附图说明
图1是说明依照本发明的实施例的广播媒体接收器、无线终端和方法的框图。
图2是依照本发明实施例的广播媒体接收器的框图。
图3是依照本发明实施例的广播媒体接收器的操作流程图。
图4是依照本发明实施例的无线终端的操作流程图。
具体实施方式
现在将参考附图更充分地描述本发明，附图中示出了本发明的典型实施例。但也可以用很多不同的形式具体化本发明，并且本发明也不应被解释为仅限于此处列出的实施例；相反，提供这些实施例是为了使本公开彻底而全面，并向本领域的技术人员充分地传达本发明的范围。同样的数字始终指代相同的部件。
如同本领域的技术人员所理解的那样，本发明可以具体化为方法或设备。因此，本发明可以采取硬件实施例、软件实施例、或者结合硬件和软件方面的实施例的形式。附图中所描述的操作及其组合可以以一个或多个电子电路来实现，例如以一个或多个分立电子元件、一个或多个集成电路(IC)和/或一个或多个专用集成电路(ASIC)和/或一个或多个专用电路组件，以及通过可由计算机或其它数据处理设备执行的计算机程序指令来实现，例如微处理器或数字信号处理器(DSP)。还将理解到当提到一个元件“连接”或者“耦合”到另一个元件时，它可以与另一元件直接连接或耦合，或者可能有介入元件。相反，当提到一个元件“直接连接”或者“直接耦合”到另一元件时，则不能有介入元件。
图1说明依照本发明的实施例的通过无线耦合与无线终端20通信的广播媒体接收器10。无线终端20可以与广播媒体接收器10距离遥远。广播媒体接收器10接收广播媒体信号并从中提取文本数据。文本数据通过无线耦合被传送到无线终端20。
依照本发明的一些实施例，广播媒体接收器10也可以从广播媒体信号中提取视频信号和/或音频信号。视频信号可以被提供给视频显示器30。视频显示器30可以包括电视屏幕、计算机监视器、平板显示屏、阴极射线管、液晶显示器或者其它用于显示视频信号的设备。音频信号可以被提供给视频显示器30中的扬声器。在一些实施例中，广播媒体信号可以包括广播电视信号，例如国家电视制式委员会(NTSC)信号、逐行倒相(PAL)信号、顺序传送彩色和存储体制(SECAM)信号和/或具有嵌入文本数据的高清晰度电视(HDTV)信号。在其它实施例中，广播媒体信号可能包括传统的FM、AM、无线电或具有嵌入文本数据的卫星信号。还在一些实施例中，广播媒体信号可以由数字视频光盘(DVD)播放器或其它视频和/或音频源提供。
广播媒体接收器10可以实现成机顶盒的一部分，例如，其与电视或其它视频屏幕耦合在一起。机顶盒与电视机之间的耦合可以用例如电缆提供。在本方面的其它实施例中，广播媒体接收器10可以被集成到视频显示器30中，以便不需要单独的机顶盒。
还在本发明的另一些实施例中，广播媒体接收器10可以包括服务不止一个用户的中央处理系统。中央处理系统可以包括由TiVO有限公司提供的传统多媒体服务，例如提供电视频道搜索、所选频道的发送和其它多媒体控制功能。中央处理器系统可以从多媒体信号中提取文本数据，并且通过无线耦合(例如蜂窝、无线局域网、卫星或其它无线协议)同无线终端20通信，和/或通过经由能够通过无线耦合同无线终端20通信的另一设备(例如与无线系统有电话或网络连接的机顶盒)的路由信息进行通信。
依照本发明的一些实施例，无线终端20可以是个人数字助理和/或无线电话。在本发明的一个实施例中，使用蓝牙协议提供广播媒体接收器10和无线终端20之间的无线耦合。例如，Sailesh Rathi在题为“Blue Tooth Protocol Architecture”，Dedicated SystemsMagazine，2000 Q4，pages 28-33的参考文章中讨论了蓝牙协议，因此这里完整地并入作为参考。在本发明的其它实施例中，使用一种或者多种蜂窝协议提供无线耦合，所述蜂窝协议包括但是不限于码分多址(CDMA)、宽带CDMA、CDMA2000、UMTS、EDGE、时分多址(TDMA)和GSM。在本发明的其它实施例中，使用无线局域网络(WLAN)协议提供无线耦合，所述无线局域网络(WLAN)协议例如是IEEE 802.11b或者红外通信协议。
图2说明依照本发明的实施例的广播媒体接收器10的框图。广播媒体接收器10可以包括控制器200、频道调谐器210、无线收发器220、视频放大器230、音频放大器240、媒体存储设备250和天线260。
可以配置频道调谐器210以从地面和/或卫星无线传输和/或电缆接收广播媒体信号。频道调谐器210可以向控制器200输出一个或多个已调好的频道的广播媒体信号。控制器200可以格式化广播媒体信号，并且可以将它提供给视频放大器230和/或音频放大器240进行放大，之后提供给视频显示器30。
当广播媒体信号中存在文本数据时，控制器200可以提取出文本数据并将其提供给无线收发器220以通过天线260传送。在一些实施例中，控制器200可以包括加密字幕译码器以提取文本数据。加密字幕译码器可以依照电子工业联合会(EIA)标准EIA-608操作。控制器200和/或无线收发器220可以依照蓝牙协议、蜂窝通信协议、WLAN协议、红外和/或其它无线协议格式化无线传输。广播媒体信号也可以记录在媒体存储设备250上，它包括但不限于磁存储设备、光存储设备和/或非易失性半导体存储设备。在一些实施例中，广播媒体信号是响应于通过无线收发器220从无线终端20接收到的记录命令而被记录的。
广播媒体信号可以包括用于如何格式化文本数据以供显示的指令。所述指令可以从广播媒体信号中提取出来并传送给无线终端20，在那里它们被用来格式化和显示文本数据。在一些实施例中，所述指令可以根据一种常规语言定义文本数据的格式，所述常规语言包括但不限于超文本标记语言(HTML)、可扩展标记语言(XML)、JAVA语言、BREW语言和/或无线应用协议(WAP)语言。
这样，本发明的实施例使得用户能够在无线终端20上观看加密字幕文字。当无法听见电视节目的声音部分时可能会希望有这样的观看，例如在机场终端，在那儿电视监控器在嘈杂的等待区被提供。当加密字幕文字没有显示在电视上和/或用户不方便甚至无法在电视上读取加密字幕文字时，也希望在无线终端20上观看加密字幕文字。
本发明的实施例也使得能够响应文本数据的内容而启动在广播媒体信号和/或文本数据上的进一步操作。例如，电视节目或者广告的赞助商可以在电视信号中嵌入使用户能够联系到他的信息。可以通过将说话内容转换成利用电视信号传输的加密字幕文本数据而嵌入联系信息。所传输的文本数据可以包括电话号码、逻辑网络地址、程序指令和/或软件代码。
在本发明的一些实施例中，广播媒体接收器10可以从广播媒体信号中提取文本数据，并且能够将该文本数据传输给无线终端20，在那儿文本数据被显示给用户。然后用户可以选择显示的电话号码或其它相关的所显示标记，以使无线终端20拔打该电话号码。同样，用户可以选择所显示的逻辑网络地址或其它相关的所显示标记，以使无线终端20启动网络连接。
在其它实施例中，用户可以在无线终端20中存储文本数据以备未来参考。可以配置无线终端20以允许用户将文本数据转发给其它设备，所述其它设备包括另外的无线终端、电话和/或计算机。在一些实施例中，可以通过因特网邮件服务和/或通过蜂窝短信息服务(SMS)来转发文本数据。
在进一步的实施例中，配置广播媒体接收器10和/或无线终端20以确定文本数据中是否存在一个或多个关键字或其它标准。在一些实施例中，可以在文本数据中搜索电视节目的名称、人名、电话号码或逻辑网络地址、由用户定义的文本串、程序指令和/或软件代码。当广播媒体接收器10执行搜索的时候，可以响应于在文本数据中找到所搜索的术语或者标准而将文本数据传送给无线终端20。
当无线终端20执行搜索的时候，无线终端可以响应于找到所搜索的术语或标准而发信号通知用户。这种发信号通知包括向用户提供信号音和/或向用户显示可见信号。
在进一步的实施例中，无线终端20可以发送消息以使广播媒体接收器10将文本数据和/或广播信号存储在媒体存储设备250中。无线终端20还可以额外地或者替代地向广播媒体接收器10发送消息以使频道调谐器210改变它提供给控制器200的一个或者多个频道。这样，用户可以使用无线终端20来观看当前和/或即将开始的电视事件的时间表，并命令广播媒体接收器10记录电视事件或者改变电视频道。
当广播媒体接收器10包括服务不止一个用户的中央处理系统时，用户可以通过无线终端20进行通信以命令中央处理系统执行一个或多个对用户帐户唯一的功能。例如，用户可以命令中央处理系统记录电视事件，将选定的频道发送给用户选择的设备和/或定义中央处理系统执行进一步搜索所依据的标准。
依照本发明的一些实施例，广播媒体接收器可以执行图3的框图所示出的操作。在块300处接收到广播媒体信号。在块310处从广播媒体信号中提取文本数据。在一种操作模式下，在块320处进行判定，以在块330处传送提取出的文本数据而不首先检查该文本数据的内容。在另一种操作模式下，在块320处的判定可以是只有在块340-360处分别确定文本数据包含逻辑网络地址、电话号码或关键字时才在块330处传送提取出的文本数据。
在一些实施例中，逻辑网络地址可以包括统一资源定位器(URL)或其它用于在网络上识别设备的地址。可以对一个或多个已由用户定义的关键字在块360处进行关键字比较。在块360处的判定可以包括在提取的文本数据中搜索电视节目的名称、人名、电话号码、逻辑网络地址、定义的文本串、程序指令和/或软件代码。
图4说明依照本发明的实施例的无线终端的操作框图。在块400处可以接收文本数据，并在块410处显示给用户。在一些实施例中，用户可以选择全部或者部分显示的文本以启动进一步的操作。无线终端20可以包括触敏屏、按键和/或操纵杆，以使用户能够选择文本。用户的选择在块420处被感知。当选择的文本是电话号码时，无线终端20可以在块435处拨打和/或存储所选择的电话号码。
可以配置无线终端20以连接到网络。在一些实施例中，无线终端可以包括因特网浏览器。当所选择的文本是逻辑网络地址时，无线终端20可以通过它的因特网浏览器在块445处启动无线网络连接。在一些实施例中，可以通过将逻辑网络地址发送给能够建立网络连接的另一设备来启动网络连接。
用户可以选择显示的文本，或者提供输入(例如通过选择无线终端20上的按键、开关和/或部分显示内容)以使无线终端在块450处传送记录命令或者在块460处传送频道选择命令。响应于记录命令，广播媒体接收器10可以将文本数据和/或广播信号记录在媒体存储设备250上。响应于频道选择命令，广播媒体接收器10可以改变频道调谐器210提供给控制器200的一个或多个频道。
在附图和说明书中，已经公开了本发明的典型实施例，并且尽管使用了专门的术语，但它们仅仅是普通的描述性质，而不是为了限制的目的，在下面的权利要求书中阐明了本发明的范围。例如，当本发明的实施例已经描述为包括一个或多个功能或者一组功能中的至少一个功能时，本领域的技术人员将理解为该实施例可以被配置为仅仅执行功能之一，或者被配置为执行不止一个功能。

Claims (22)

1.一种用来显示广播媒体信号中嵌入的文本数据的方法，该方法包括：
在广播媒体接收器处接收广播媒体信号，该广播媒体信号包括文本数据；
从广播媒体信号中提取文本数据；
利用所述广播媒体接收器之内的比较器电路来确定所述文本数据是否表示电话号码；
响应于所述广播媒体接收器之内的比较器电路确定出所述文本数据表示电话号码，通过无线耦合传输文本数据；
在无线终端处接收文本数据；以及
响应于所述比较器电路确定出文本数据表示电话号码而按照计划将表示电话号码的文本数据存入无线终端中的电话簿中。
2.依照权利要求1的方法，其中广播媒体信号包括电视信号。
3.依照权利要求2的方法，其中：
广播媒体信号包含视频信号，并且
文本数据包括与视频信号关联的闭合字幕文本数据。
4.依照权利要求1的方法，其中广播媒体信号包括音频信号。
5.依照权利要求1的方法，其中文本数据包括逻辑网络地址。
6.依照权利要求1的方法，其中通过无线耦合向无线终端传输文本数据包括依照蓝牙无线协议传输文本数据。
7.依照权利要求1的方法，其中通过无线耦合向无线终端传输文本数据包括依照蜂窝通信协议传输文本数据。
8.依照权利要求1的方法，其中通过无线耦合向无线终端传输文本数据包括依照无线局域网络协议传输文本数据。
9.依照权利要求1的方法，其中广播媒体信号包括用于格式化文本数据显示的指令，并且还包括：
从广播媒体信号中提取指令；以及
通过无线耦合向无线终端传输指令。
10.依照权利要求9的方法，还包括：
在无线终端处接收文本数据和指令；
使用指令格式化文本数据；以及
在无线终端上显示已格式化的文本数据。
11.依照权利要求9的方法，其中指令依照JAVA语言、BREW语言和无线应用协议语言中的至少一种来定义格式化文本数据的显示。
12.依照权利要求1的方法，还包括：
在无线终端处接收表示电话号码的文本数据；
在无线终端上显示文本数据；
感测用户对已显示文本数据的选择；以及
响应于感测到用户的选择而从无线终端拨打所选的文本数据所表示的电话号码。
13.一种用来显示广播媒体信号中嵌入的文本数据的方法，该方法包括：
在广播媒体接收器处接收广播媒体信号，该广播媒体信号包括文本数据；
从广播媒体信号中提取文本数据；
通过无线耦合向无线终端传输文本数据；
在无线终端处接收文本数据；
在无线终端上显示文本数据；
感测用户对显示的文本数据的选择；
响应于感测到用户的选择而从无线终端通过无线耦合向广播媒体接收器传输记录命令；以及
响应于记录命令而将广播媒体信号的至少一部分记录在非易失性介质上。
14.一种广播媒体接收器，包括：
接收广播媒体信号的接收器电路，该广播媒体信号包括文本数据；
从广播媒体信号中提取文本数据的文本译码器；
确定所述文本数据是否表示电话号码的比较器电路；
发送器，其响应于比较器电路确定文本数据表示电话号码而通过无线耦合向无线终端传输文本数据，使得无线终端接收文本数据，并且响应于所述比较器电路确定出文本数据表示电话号码而按照计划将表示电话号码的文本数据存入电话簿中。
15.依照权利要求14的广播媒体接收器，其中接收器电路接收广播媒体信号中的电视信号。
16.依照权利要求15的广播媒体接收器，其中：
接收器电路接收广播媒体信号中的视频信号，以及
文本译码器提取与视频信号关联的闭合字幕文本数据。
17.依照权利要求14的广播媒体接收器，其中接收器电路接收广播媒体信号中的音频信号。
18.依照权利要求14的广播媒体接收器，其中文本译码器从广播媒体信号中提取逻辑网络地址。
19.依照权利要求14的广播媒体接收器，其中发送器被配置成依照蓝牙无线协议传输文本数据。
20.依照权利要求14的广播媒体接收器，其中发送器被配置成依照蜂窝通信协议传输文本数据。
21.依照权利要求14的广播媒体接收器，其中发送器被配置成依照无线局域网络协议传输文本数据。
22.依照权利要求14的广播媒体接收器，其中该指令依照JAVA语言、BREW语言和无线应用协议语言中的至少一种来定义文本数据的格式化。
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CN1711757A (zh) 2005-12-21
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EP1561340A2 (en) 2005-08-10
US20040097246A1 (en) 2004-05-20
WO2004046850A3 (en) 2004-09-02
US7340263B2 (en) 2008-03-04
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