CN102710976B - 用于增强观众参与现场体育赛事的体验的设备和方法 - Google Patents
用于增强观众参与现场体育赛事的体验的设备和方法 Download PDFInfo
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- CN102710976B CN102710976B CN201210106755.0A CN201210106755A CN102710976B CN 102710976 B CN102710976 B CN 102710976B CN 201210106755 A CN201210106755 A CN 201210106755A CN 102710976 B CN102710976 B CN 102710976B
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Abstract
本发明提供了一种用于增强观众参与现场体育赛事的体验的设备和方法。该手持电子设备包括:接收器,用于接收无线RF传输,该无线RF传输包括:传送现场视频体育赛事内容的至少两个视频流,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,和与在该现场体育赛事的过程期间发生的事件相关联的书签,该书签在该至少两个视频流中的一视频流中标记位置;显示器;用户界面;以及缓冲器,用于同时缓存在该无线RF传输中的该至少两个视频流。
Description
本专利申请是下列专利申请的分案申请:
申请号:200680034090.X
申请日:2006年07月14日
发明名称:用于增强观众参与现场体育赛事的体验的系统和方法
对相关申请的交叉引用
本申请要求如下优先权:由Jean Arseneau等在2005年7月22日提交的序号为60/701473的美国临时专利申请,由此通过引用合并在此;由JeanArseneau等在2006年3月3日提交的序号为60/778363的美国临时专利申请,由此通过引用合并在此;以及由Jean Arseneau在2006年4月7日提交的序号为60/789911的美国临时专利申请,并由此通过引用合并在此。
技术领域
从广义上说,本发明涉及允许与赛事相关的视频和/或音频内容的无线分配的系统。本发明也进一步涉及该系统的各个组件以及操作和使用的相关方法。
背景技术
向参与直播体育赛事的观众传送视频和/或音频内容的概念众所周知。典型的方法是利用本地传输站经空中(over the air)而向由各个观众操作的手持电子设备发送视频和/或音频内容。观众能够在该手持电子设备上选择感兴趣的特定视频/音频流。
发明内容
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收包括传送现场体育赛事内容的至少两个视频流的无线RF传输,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)所述手持电子设备能够获得操作的锁定模式和操作的解锁模式,在所述操作的锁定模式中,所述手持电子设备不能向观众显示视频流,在所述操作的解锁模式中,所述手持电子设备能够向观众显示视频流,响应于接收到无线发送至所述手持电子设备的认证数据,所述手持电子设备能够获得所述操作的解锁模式。
在此作为具体而广泛地说明,本发明还提供一种被嵌入到无线RF传输中的数据结构,该无线RF传输用于由参加在比赛地点所举行的现场体育赛事的观众的多个手持电子设备接收,所述数据结构包括:
a)用于在手持电子设备上显示的至少两个视频流的电子表示,该视频流传输现场视频体育赛事内容,现场体育赛事内容包括在该比赛地点举行的该现场体育赛事中发生的动作的运动图像;
b)认证数据,允许多个手持电子设备中的一个或多个访问供该一个或多个手持电子设备的观众观看的视频流。
在此作为具体而广泛地说明,本发明提供了一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收包括传送现场视频体育赛事内容的至少两个视频流的无线RF传输,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)所述手持电子设备能够响应无线传送到所述手持电子设备的认证数据,允许观众访问用于观看的该视频流。
在此作为具体而广泛地说明,本发明也提供一种经商方法,包括:
a)提供用于出售的服务,该服务包括向在举行现场体育赛事的比赛地点上的手持电子设备的传送传输现场视频体育赛事内容的视频流,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)该手持电子设备具有允许参加该现场体育赛事的观众观看该视频流中的一个或多个的显示器;
c)当正在进行现场体育赛事时,产生包括该视频流的无线RF传输,该无线RF传输用于被该手持电子设备接收;
d)在该无线RF传输中包括供该手持电子设备处理的认证数据,该认证数据允许该手持电子设备访问该视频流中的一个或多个以供观众在显示器上观看。
在此作为具体而广泛地说明,本发明提供一种经商方法,包括:
a)提供用于出售的服务,该服务包括向在举行现场体育赛事的比赛地点的手持电子设备传送传输现场视频体育赛事内容的视频流,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)该手持电子设备具有用于允许参加该现场体育赛事的观众观看该视频流中的一个或多个的显示器;
c)当正在进行现场体育赛事时,产生包括该视频流的无线RF传输,该无线RF传输用于被该手持电子设备接收;
d)保护该无线RF传输以防止具有未为其购买服务手持电子设备的观众观看一个或多个视频流。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收包括传送现场视频体育赛事内容的至少两个视频流的无线RF传输,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)认证处理器,用于处理在无线RF传输中传送的认证信息,以获得认证决定,该认证决定指示允许观众在所述手持电子设备上访问在该无线RF传输中传送的现场视频体育赛事内容的程度。
在此作为具体而广泛地说明,本发明也提供多个在举行现场体育赛事的比赛地点使用的手持电子设备,每个手持电子设备包括:
a)接收器,用于接收包括传送现场视频体育赛事内容的至少两个视频流的无线RF传输,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该无线RF传输还包括认证信息;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)认证处理器,其中:
i)第一手持电子设备的认证处理器处理认证信息,并响应于在该第一手持电子设备的用户界面输入的第一用户代码,以允许该现场视频体育赛事内容的至少一部分在该第一手持电子设备的显示器上被观看;
ii)第二手持电子设备的认证处理器处理认证信息,并响应于与第一用户代码不同的、并在该第二手持电子设备的用户界面输入的第二用户代码,以允许该现场视频体育赛事内容的至少一部分在该第二手持电子设备的显示器上被观看。
在此作为具体而广泛地说明,本发明提供一种用于增强参与现场体育赛事的观众的体验的系统,该系统包括:
a)发射器,用于产生包括传送现场视频体育赛事内容的至少两个视频流的无线RF传输,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该无线RF传输还包括认证信息;
b)由相应观众所使用的多个手持电子设备,每个手持电子设备具有:
i)用户界面;
ii)允许观看视频流的显示器;
iii)认证处理器,用于处理该认证信息以及在所述用户界面输入的用户代码,来解锁该手持电子设备以允许观众观看该视频流,其中解锁相应手持电子设备的用户代码是彼此不同的。
在此作为具体而广泛地说明,本发明也提供一种用户代码的产生器,该用户代码用于解锁手持电子设备,以允许参加现场体育赛事的观众在手持电子设备上观看无线发送到该手持电子设备、传输现场视频体育赛事内容的至少两个视频流,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
a)输入端,用于接收该手持电子设备的标识符;
b)处理元件,用于处理该标识符以产生用户代码;
c)输出端,用于发出该用户代码。
在此作为具体而广泛地说明,本发明也提供一种用于经商的方法,包括:
a)提供用于出售的服务,该服务包括向在举行现场体育赛事的比赛地点上的手持电子设备传送传输现场视频体育赛事内容的视频流,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)该手持电子设备具有用于允许参加该现场体育赛事的观众观看该视频流中的一个或多个的显示器;
c)向已经购买该服务的人提供用户代码;
d)当正在进行现场体育赛事时,产生包括视频流的无线RF传输,该无线RF传输用于被该手持电子设备接收;
e)除非该人在该手持电子设备的用户界面上输入了用户代码时,否则禁止该手持电子设备显示视频流中的一个或多个。
在此作为具体而广泛地说明,本发明还提供一种用于经商的方法,包括:
a)提供用于出售的服务,该服务包括向在举行现场体育赛事的比赛地点上的手持电子设备传送传输现场视频体育赛事内容的视频流,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)该手持电子设备具有用于允许参加该现场体育赛事的观众观看该视频流中的一个或多个的显示器;
c)建立与已经购买服务的手持电子设备的电子通信,以向手持电子设备装入代码;
d)当正在进行现场体育赛事时,产生包括视频流的无线RF传输,该无线RF传输用于被该手持电子设备接收;
e)除非事先已经在手持电子设备中装入了该代码,否则禁止该手持电子设备显示至少一部分现场视频体育赛事内容。
在此作为具体而广泛地说明,本发明提供一种用于在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收包括传送现场视频体育赛事内容的至少两个视频流的无线RF传输,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)所述手持电子设备响应于被无线传送的数据来设置所述用户界面。
在此作为具体而广泛地说明,本发明还提供一种用于远程设置在举行现场体育赛事的比赛地点使用的手持电子设备的用户界面的方法,该手持电子设备包括:
a)接收器,用于接收包括传送现场视频体育赛事内容的至少两个视频流的无线RF传输,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)所述方法包括无线地向接收器发送用于由该手持电子设备处理的数据,以设置该用户界面。
在此作为具体而广泛地说明,本发明还提供一种方法,包括:
a)在举行现场体育赛事的比赛地点提供发射器,用于产生包括传送现场视频体育赛事内容的至少两个视频流的无线RF传输,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该无线RF传输被传送到多个手持电子设备,每个手持电子设备包括:
i)显示器;
ii)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
b)使发射器向一个或多个手持电子设备无线发送数据,用于设置一个或多个手持电子设备的用户界面。
在此作为具体而广泛地说明,本发明还提供一种用于增强参与多个现场体育赛事的观众的体验的方法,在每个现场体育赛事中,所述方法包括:
a)当现场体育赛事正在进行时,产生包括传送现场视频体育赛事内容的至少两个视频流的无线RF传输,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该手持电子设备具有显示器以允许参加现场体育赛事的观众观看一个或多个视频流,该手持电子设备具有用户界面;
b)无线地设置该用户界面,从而为该现场体育赛事定制用户界面,其中用户界面从一个现场体育赛事变化到另一个。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收包括传送现场视频体育赛事内容的至少两个视频流的无线RF传输,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)缓冲器,用于同时缓存在该无线RF传输中的两个或多个视频流;
e)所述手持电子设备能够处理所述缓冲器中的视频数据,以实现允许在该显示器上观看缓存在所述缓冲器中的视频流的重放功能。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收包括传送现场视频体育赛事内容的至少两个视频流的无线RF传输,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)缓冲器,用于同时缓存在该无线RF传输中的两个或多个视频流;
e)所述手持电子设备能够处理在所述缓冲器中的视频数据,从而实现针对被缓存在所述缓冲器中的视频流的功能,从由快进功能、倒带功能、静态图像功能、逐帧移动功能和图像缩放功能组成的组中选择该功能。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收包括传送现场视频体育赛事内容的至少两个视频流的无线RF传输,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上观看的视频流;
d)缓冲器,用于除了被选择在所述显示器上观看的视频流外,缓存无线RF传输中的至少一个视频流;
e)所述手持电子设备能够处理所述缓冲器中的视频数据,以在所述显示器上观看被缓存在所述缓冲器中的视频流。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收包括一般观众内容的无线RF传输,该一般观众内容包括传送现场视频体育赛事内容的至少两个视频流,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)存储介质,用于存储观众简档数据;
c)所述手持电子设备能够至少部分地基于观众简档数据而过滤该一般观众内容,以产生观众特定内容,该观众特定内容可以经手持电子设备而传送到该观众,观众特定内容包括多个视频流中的两个或多个;
d)显示器,用于允许观看一个或多个视频流。
在此作为具体而广泛地说明,本发明提供一种经商方法,包括:
a)向计划参加在比赛地点举行的现场体育赛事的观众出售由观众在多个提供的服务级别中选择的某个级别的服务,一个或多个服务级别包括在现场体育赛事期间经传送现场体育赛事内容的视频流的无线RF传输、向手持电子设备的传送,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该手持电子设备具有允许观众观看一个或多个视频流的显示器;
b)在该手持电子设备中存储区别观众所选择的服务级别与所提供的其它服务级别的观众简档数据;
c)根据该观众简档数据,在手持电子设备过滤由无线RF传输所传送的内容。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收包括传送现场视频体育赛事内容的至少两个视频流的无线RF传输,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)用户界面,允许观众定义观众简档;
c)所述手持电子设备能够根据观众简档过滤无线RF传输中的内容,以产生过滤后的内容;
d)显示器,用于观看至少一部分过滤后的内容。
在此作为具体而广泛地说明,本发明提供一种经商的方法,包括:
a)向计划参加在比赛地点举行的现场体育赛事的观众出售以不同服务级别提供的服务,两个或多个服务级别包括在现场体育赛事期间经传送现场体育赛事内容的视频流的无线RF传输、向手持电子设备的传送,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该手持电子设备具有允许观众观看一个或多个视频流的显示器;
b)当现场体育赛事正在进行时,产生包括该现场体育赛事内容的无线RF传输,该无线RF传输用于被该手持电子设备接收;
c)保护该无线RF传输,以禁止具有手持电子设备的观众在显示器上观看与还未购买的服务级别相关联的内容。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收包括传送现场体育赛事内容的多个视频流的无线RF传输,现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)传送比赛地点或现场体育赛事背景信息的无线RF传输,所述手持电子设备能够向观众告知该比赛地点或现场体育赛事背景信息。
在此作为具体而广泛地说明,本发明提供一种嵌入到无线RF信号中的数据结构,该无线RF信号用于供在举行现场体育赛事的比赛地点的多个手持电子设备接收,所述数据结构包括:
a)传输现场体育赛事内容的多个视频流,该现场体育赛事内容包括在该比赛地点举行的该现场体育赛事中发生的动作的运动图像,该视频流供在该手持电子设备上显示;
b)用于经该手持电子设备向观众传送的比赛地点或现场体育赛事背景信息。
在此作为具体而广泛地说明,本发明提供一种方法,包括:
a)在举行现场体育赛事的比赛地点提供用于产生包括传输现场体育赛事内容的多个视频流的无线RF传输的发射器,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该无线RF传输被传送到多个手持电子设备,每个手持电子设备包括:
i)显示器;
ii)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
b)在该无线RF传输中包括比赛地点或现场体育赛事背景信息,使得该比赛地点或现场体育赛事背景信息能够经相应的手持电子设备而被传送给观众。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收传送来自拍摄该现场体育赛事的视频摄像机的多个视频流的无线RF传输,该现场体育赛事包括由该视频摄像机拍摄的运动对象;
b)显示器,用于观看两个或多个视频流;
c)所述手持电子设备响应于在该无线RF传输中传送的视频流切换命令,使该显示从一个视频流切换到另一个视频流。
在此作为具体而广泛地说明,本发明提供一种被嵌入到无线RF传输中的数据结构,该无线RF传输用于由多个手持电子设备接收,该数据结构包括:
a)来自拍摄现场体育赛事的视频摄像机以供在该手持电子设备上显示的多个视频流,该现场体育赛事包括由该视频摄像机拍摄的运动对象;
b)用于使多个手持电子设备中的至少一个手持电子设备把显示从一个视频流切换到另一个的命令。
在此作为具体而广泛地说明,本发明提供一种方法,包括:
a)产生包括来自拍摄现场体育赛事的视频摄像机的多个视频流的无线RF传输,该无线RF传输用于由具有显示器的多个手持电子设备接收,以允许该手持电子设备的相应观众观看该视频流,该现场体育赛事包括由该视频摄像机拍摄的运动对象;
b)在该无线RF传输中引入一个或多个命令,以使至少一个手持电子设备的显示从一个视频流切换到另一个。
在此作为具体而广泛地说明,本发明提供一种方法,包括:
a)产生包括来自拍摄在比赛赛道上的赛车比赛的视频摄像机的多个视频流的无线RF传输,该无线RF传输用于由具有显示器的多个手持电子设备接收,以允许该手持电子设备的相应观众观看该视频流;
b)当在赛道上发送事故时,在多个视频流中识别传输该事故图像的至少一个视频流;
c)在该无线RF传输中引入一个或多个命令,以使至少一个手持电子设备的显示切换到该至少一个视频流上。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收传送来自拍摄该现场体育赛事的视频摄像机的多个视频流的无线RF传输,该现场体育赛事包括由该视频摄像机所拍摄的运动对象;
b)显示器,用于观看两个或多个该视频流;
c)处理器,执行对象跟踪软件,以使该显示从一个视频流切换到另一个视频流,以随着该运动对象的移动,保持该运动对象在显示器的视野内。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收传送来自该现场体育赛事处的源的多个音频流的无线RF传输,该无线RF传输中的该音频流具有至少两个不同的操作状态,即有效状态和无效状态;
b)存储优先级简档数据的存储介质;
c)输出端,用于向声音再现设备输出音频流;
d)音频流选择器,用于至少部分地基于该优先级简档数据,从该多个音频流中选择至少一个音频流来播放,并将选择的音频流传送到所述输出端。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收传送来自该现场体育赛事处的源的多个音频流的无线RF传输;
b)输出端,用于经声音再现设备输出将被播放的音频流;
c)存储优先级简档的存储介质;
d)用户界面,允许观众定义该优先级简档的至少一部分,该优先级简档定义了来自该无线RF传输的音频流被播放的优选顺序。
在此作为具体而广泛地说明,本发明提供一种被嵌入到无线RF传输中的数据结构,该无线RF传输用于由多个手持电子设备接收,该数据结构传输:
a)来自现场体育赛事处的源的多个音频流;
b)允许确定每个音频流是有效还是无效的信息。
在此作为具体而广泛地说明,本发明提供一种方法,包括:
a)在汽车体育赛事中电子地接收发生在赛队成员之间的无线电对话;
b)为多个赛队产生相应的音频流,其中每个音频流传送相应队的成员之间的无线电对话;
c)为每个音频流确定该音频流是有效还是无效的;
d)产生无线RF传输,以传送音频流以及反应所述确定的结果的信息。
在此作为具体而广泛地说明,本发明还提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收传送来自该现场体育赛事处的源的多个音频流的无线RF传输;
b)输出端,用于向声音再现设备输出音频流以播放该音频流;
c)用于缓存该无线RF传输中的一个或多个音频流的缓冲器;
d)所述手持电子设备能够处理所述缓冲器中的音频数据,以实现针对所述缓冲器中的音频流的功能,所述功能在由重放、倒带、快进和暂停组成的组中选择。
在此作为具体而广泛地说明,本发明提供一种被嵌入到无线RF传输中的数据结构,该无线RF传输用于由多个手持电子设备接收,所述数据结构传送:
a)来自现场体育赛事处的源的多个音频流,该现场体育赛事包括选手之间的比赛,其中每个音频流与一个选手相关联;
b)将一个或多个该音频流与该比赛中的相应选手的排名相关联的信息。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收无线RF传输,其传送:
i)来自该现场体育赛事处的源的多个音频流,该现场体育赛事包括选手之间的比赛,其中每个音频流与一个选手相关联;
ii)传送关于选手排名的信息的数据;
b)输出端,用于向声音再现设备输出音频流;
c)音频流选择器,用于至少部分地基于传送关于排名的信息的数据,从多个音频流中选择至少一个音频流来播放,以及用于向所述输出端传送所选择的音频流;
d)其中所述音频流选择器实现基于排名的音频流选择规则。
在此作为具体而广泛地说明,本发明提供一种计算机设备,包括:
a)用户界面;
b)用于与数据网络连接的数据网络接口;
c)所述计算机设备允许用户经所述用户界面与该数据网络中的远程实体通信,以执行在举行现场体育赛事的比赛地点使用的手持电子设备的服务传送的在线购买,其中该服务包括向该手持电子设备传送包括传送现场体育赛事内容的两个或多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该手持电子设备包括允许观众在该两个或多个视频流中进行选择的选择器和用于观看该选择的视频流的显示器。
在此作为具体而广泛地说明,本发明提供一种供在数据网络中使用的数据网络实体,该数据网络实体能够经该数据网络建立与远程计算机设备的数据通信,所述数据网络实体包括:
a)数据通信接口,用于连接到该数据网络;
b)计算平台,用于控制经该数据网络与该远程计算机的信息交换,以允许在该远程计算机设备处的用户执行在举行现场体育赛事的比赛地点使用的手持电子设备的服务传送的在线购买,其中该服务包括向该手持电子设备传送包括传输现场体育赛事内容的两个或多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该手持电子设备包括允许用户在该两个或多个视频流中进行选择的选择器,以及用于观看所选择的视频流的显示器。
在此作为具体而广泛地说明,本发明提供一种方法,用于为手持电子设备进行服务传送的在线购买,该手持电子设备在举行现场体育赛事的比赛地点使用,其中该服务包括向该手持电子设备传送包括传输现场体育赛事内容的两个或多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该手持电子设备包括允许用户在该两个或多个视频流中进行选择的选择器,以及用于观看所选择的视频流的显示器,所述方法包括:
a)经计算设备访问网站,从而经主管网站的远程网络实体进行通信;
b)向该网站提供识别信息,以为该手持电子设备进行服务传送的在线购买。
在此作为具体而广泛地说明,本发明提供一种在数据网络中使用的数据网络实体,该数据网络实体能够经该数据网络建立与远程计算机设备的数据通信会话,所述数据网络实体包括:
a)数据通信接口,用于与该数据网络的连接;
b)计算平台,用于:
i)经该数据网络控制与远程计算机设备的信息交换,以允许在远程计算机设备的用户执行为相应手持电子设备的服务传送的在线购买,每个手持电子设备供在举行现场体育赛事的比赛地点使用,其中该服务包括向该手持电子设备传送包括传输现场体育赛事内容的两个或多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该手持电子设备包括允许观众在两个或多个视频流中进行选择的选择器,以及用于观看所选择的视频流的显示器;
ii)建立已经进行了服务传送的在线购买的手持电子设备的列表。
在此作为具体而广泛地说明,本发明提供一种方法,用于在手持电子设备中存放数据,该手持电子设备在举行现场体育赛事的比赛地点使用,其中该手持电子设备能够在该现场体育赛事处接收包括传输现场体育赛事内容的两个或多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该手持电子设备包括允许用户在该两个或多个视频流中进行选择的选择器,以及用于观看所选择的视频流的显示器,所述方法包括:
a)经计算设备访问网站,从而经主管网站的远程网络实体进行通信;
b)从该远程网络实体接收数据以供存储在该手持电子设备中;
c)建立该计算机设备与该手持电子设备之间的数据通信;
d)从该计算机设备向该手持电子设备传送该数据。
在此作为具体而广泛地说明,本发明提供一种供在数据网络中使用的数据网络实体,其中该数据网络实体能够经该数据网络建立与远程计算机设备的数据通信,所述数据网络实体包括:
a)数据通信接口,用于连接到该数据网络;
b)计算平台,用于:
i)经该数据网络控制与远程计算机设备的信息交换,以允许在远程计算机设备的用户执行为在举行现场体育赛事的比赛地点使用的手持电子设备的服务传送的在线购买,其中该服务包括向该手持电子设备传送包括传输现场体育赛事内容的两个或多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该手持电子设备包括允许观众在两个或多个视频流中进行选择的选择器,以及用于观看所选择的视频流的显示器;
ii)经该数据网络向该远程计算机发送数据,该数据适合于在该手持电子设备中存放。
在此作为具体而广泛地说明,本发明提供一种计算机设备,包括:
a)用户界面;
b)用于与数据网络连接的数据网络接口;
c)所述计算机设备允许用户经所述用户界面与该数据网络中的远程实体通信,以设置在线帐户,用于执行为在举行现场体育赛事的比赛地点使用的手持电子设备的服务传送的在线购买,其中该服务包括向该手持电子设备传送包括传送现场体育赛事内容的两个或多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该手持电子设备包括允许观众在该两个或多个视频流中进行选择的选择器和用于观看所选择的视频流的显示器。
在此作为具体而广泛地说明,本发明提供一种供在数据网络中使用的数据网络实体,其中该数据网络实体能够经该数据网络建立与远程计算机设备的数据通信,所述数据网络实体包括:
a)数据通信接口,用于连接到该数据网络;
b)计算平台,用于经所述用户界面控制与该远程计算机设备的信息交换,以设置在所述数据网络实体上的在线帐户,从而允许在该远程计算机设备的用户执行为在举行现场体育赛事的比赛地点使用的手持电子设备的服务传送的在线购买,其中该服务包括向该手持电子设备传送包括传输现场体育赛事内容的两个或多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该手持电子设备包括允许观众使用该手持电子设备在两个或多个视频流中进行选择的选择器,以及用于观看所选择的视频流的显示器。
在此作为具体而广泛地说明,本发明提供一种方法,用于设置在线帐户,以允许用户为手持电子设备执行服务传送的在线购买,该手持电子设备在举行现场体育赛事的比赛地点使用,其中该服务包括向该手持电子设备传送包括传输现场体育赛事内容的两个或多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该手持电子设备包括允许观众使用该手持电子设备在该两个或多个视频流中进行选择的选择器,以及用于观看所选择的视频流的显示器,所述方法包括:
a)经计算机设备访问网站,从而经主管网站的远程网络实体进行通信;
b)向该网站提供识别信息,以当希望将来访问该在线帐户时用于验证该用户。
在此作为具体而广泛地说明,本发明提供一种方法,用于为手持电子设备执行服务传送的购买,该手持电子设备在举行现场体育赛事的比赛地点使用,其中该服务包括向该手持电子设备传送包括传输现场体育赛事内容的两个或多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该手持电子设备包括允许用户在该两个或多个视频流中进行选择的选择器,以及用于观看所选择的视频流的显示器,所述方法包括:
a)为该服务进行支付;
b)接收用户代码;
c)在该用户界面上输入该用户代码,以解锁该手持电子设备,并允许观看该现场体育赛事内容。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收包括传送现场体育赛事内容的多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)所述用户界面允许观众使用该手持电子设备设置书签,以在正在所述显示器上显示的视频流中标记位置。
在此作为具体而广泛地说明,本发明提供一种嵌入到无线RF信号中的数据结构,该无线RF信号由在举行现场体育赛事的比赛地点上使用的多个手持电子设备接收,所述数据结构包括:
a)传送现场体育赛事内容的多个视频流,用于在该手持电子设备上显示,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)用于在视频流之一中标记位置的书签数据。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)无线RF接收器,用于接收无线RF传输,该无线RF传输传送:
i)传输现场体育赛事内容的多个视频流,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
ii)传送关于比赛地点的地图的信息的制图数据;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)用于从由所述手持电子设备接收的无线信号中产生位置信息的模块;
e)所述手持电子设备响应于制图数据和该位置信息,以在该显示器上以与该比赛地点的地图相关的方式示出该手持电子设备的位置。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)无线RF接收器,用于接收包括传送现场体育赛事内容的多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)用于从由所述手持电子设备接收的无线信号中产生位置信息的模块;
e)所述用户界面允许观众使用该接收器输入要获得到达在该比赛地点中的某位置的方向的请求;
f)所述手持电子设备响应于该请求以及该位置信息,产生到在该比赛地点的该位置的方向,并在该显示器上向观众显示该方向。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)无线RF接收器,用于接收包括传送现场体育赛事内容的多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)用于从由所述手持电子设备接收的无线信号中产生位置信息的模块;
e)所述用户界面允许观众使用该手持电子设备输入命令,用于存储来自所述GPS接收器的、对应于输入该命令时所述手持电子设备的位置的位置信息;
f)所述手持电子设备响应于在所述用户界面输入的该命令,以调用该位置信息,并相应于该位置信息,在所述该显示器上以与该比赛地点的地图相关的方式显示所述手持电子设备的位置。
在此作为具体而广泛地说明,本发明提供一种嵌入到无线RF传输中的数据结构,该无线RF传输用于由参加在比赛地点举行的现场体育赛事的观众使用的多个手持电子设备所接收,所述数据结构包括:
a)传输现场体育赛事内容的多个视频流,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)传输关于比赛地点的地图的信息的制图数据,该制图数据能够用于与由给定手持电子设备所产生的位置信息一起,在该给定手持电子设备的显示器上参照该比赛地点的地图而显示该给定手持电子设备的位置。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收包括传送现场体育赛事内容的多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)发射器,用于发送无线RF信号。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的系统,包括:
a)发射器,用于广播包括传输现场体育赛事内容的多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)在该比赛地点用于接收该无线RF传输的多个手持电子设备;
c)每个手持电子设备包括用于向远程实体发射无线RF信号的发射器,该发射器允许该手持电子设备独立地与该多个手持电子设备的其它手持电子设备通信。
在此作为具体而广泛地说明,本发明提供一种用于在线购物的方法,包括:
a)当在比赛地点举行的现场体育赛事正在进行时,产生包括传输现场体育赛事内容的多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该无线RF传输用于由在举行该现场体育赛事的比赛地点的观众的手持电子设备接收,该手持电子设备包括允许观众观看该视频流的显示器;
b)经该无线RF传输向该手持电子设备发送在线购物信息;
c)利用该在线购物信息,在该手持电子设备上启动在线购物交易,该在线购物交易包括从该手持电子设备上发送传输关于该观众所想要购买的产品或服务的信息的无线RF信号。
在此作为具体而广泛地说明,本发明提供一种用于增强参加在比赛地点举行的现场体育赛事的观众的体验的方法,包括:
a)当正在进行现场体育赛事时,产生包括传输现场体育赛事内容的多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该无线RF传输用于由各个观众的手持电子设备接收,每个手持电子设备包括允许各个观众观看该视频流的显示器;
b)向观众传送提示观众在各个手持电子设备上输入信息的询问;
c)把观众在各个手持电子设备上输入的信息利用无线通信而传送到中央实体;
d)处理这些响应;
e)把来自所述处理的信息传送给观众。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收无线RF传输,其传送:
i)传输现场体育赛事内容的多个视频流,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
ii)与参加在该比赛地点举行的现场体育赛事的选手相关联的生理数据;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)所述手持电子设备能够处理该生理数据,以在所述显示器上显示与该选手相关联的生理信息。
在此作为具体而广泛地说明,本发明提供一种嵌入到无线RF传输中的数据结构,该无线RF传输用于由在举行现场体育赛事的比赛地点的多个手持电子设备接收,所述数据结构包括:
a)用于在手持电子设备上显示的多个视频流,该多个视频流传输现场体育赛事内容,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)与参加在该比赛地点举行的现场体育赛事的选手有关联的生理数据。
在此作为具体而广泛地说明,本发明提供一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收无线RF传输,其传送:
i)传输现场体育赛事内容的多个视频流,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
ii)视频游戏数据;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)所述手持电子设备能够处理该视频游戏数据,以允许观众在所述显示器上玩该视频游戏。
在此作为具体而广泛地说明,本发明提供一种嵌入无线RF传输中的数据结构,该无线RF传输用于由多个手持电子设备接收,所述数据结构包括:
a)用于在手持电子设备上观看的多个视频流,该多个视频流传输现场体育赛事内容,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像;
b)用于供手持电子设备执行的视频游戏数据,以允许该手持电子设备的用户在各个手持电子设备的显示器上玩视频游戏。
在此作为具体而广泛地说明,本发明提供一种用于增强参加在比赛地点举行的现场体育赛事的观众的体验的方法,所述方法包括:
a)当正在进行现场体育赛事时,产生包括传输现场体育赛事内容的多个视频流的无线RF传输,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,该无线RF传输用于由在比赛地点的各个观众的手持电子设备接收,每个手持电子设备:
i)包括允许各个观众观看该视频流的显示器;
ii)具有玩游戏功能,其允许观众在该手持电子设备上玩游戏;
b)在该无线RF传输中发送由该手持电子设备接收的数据,该数据使该手持电子设备能够进行玩游戏功能;
c)根据该现场体育赛事的进展而控制该传送,使得该手持电子设备能够根据在该现场体育赛事期间的一个或多个预定事件的发生而玩游戏。
在此作为具体而广泛地说明,本发明提供一种在举行现场高尔夫比赛的比赛地点使用的手持电子设备,包括:
a)接收器,用于接收包括传送该高尔夫比赛的不同视野的多个视频流的无线RF传输;
b)显示器;
c)用户界面,用于在所述多个视频流中选择要在所述显示器上显示的视频流;
d)该无线RF传输传送关于该比赛地点的当前天气的信息,所述手持电子设备能够向观众告知关于该比赛地点的当前天气的信息。
具体来讲,按照本发明一个方面,提供了一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:接收器,用于接收无线RF传输,该无线RF传输包括:传送现场视频体育赛事内容的至少两个视频流,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,和与在该现场体育赛事的过程期间发生的事件相关联的书签,该书签在该至少两个视频流中的一视频流中标记位置;显示器;用户界面;以及缓冲器,用于同时缓存在该无线RF传输中的该至少两个视频流;其中,该手持电子设备能够处理该缓冲器中的视频数据,从而实现允许在该显示器上观看缓存在该缓冲器中的视频流的重放功能,其中,该手持电子设备响应于经由该用户界面进行的该书签的选择,而从由该书签所标记的该视频流中的该位置处,开始播放该视频流。
按照本发明另一方面,提供了一种用于向参加现场体育赛事的观众传送内容的方法,包括:在手持电子设备处接收无线RF传输,该无线RF传输包括传送现场视频体育赛事内容的至少两个视频流,该现场体育赛事内容包括在现场体育赛事中发生的动作的运动图像,该无线RF传输包括与在现场体育赛事的过程期间发生的事件相关联的书签,该书签在该至少两个视频流中的一视频流中标记位置;在该手持电子设备上同时缓存该至少两个视频流;在该手持电子设备处接收该书签的选择;以及响应于接收该书签的选择,而从该视频流中的该位置处开始,在该手持电子设备的显示器上显示所缓存的视频流。
附图说明
下面将参照下述附图提供对本发明的实施例的详细说明,其中:
图1是整体系统架构的框图;
图2是头端(head end)的具体框图;
图3是手持电子设备的透视图;
图4是手持电子设备的框图;
图5是示出手持电子设备认证过程的流程图;
图6是示出视频观看过程的流程图;
图7-18是说明能够被传送给观众的典型信息在手持电子设备上的显示屏视图的示例;
图19是该系统的变型,其中向个人手持电子设备提供了双向通信能力;
图20是用于管理锁事/调查/游戏数据的过程的流程图;
图21是用于执行在线服务购买和手持电子设备管理的系统的框图;
图22-24示出了允许观众输入信息以执行在线服务购买和手持电子设备管理的用户界面的对话框。
图25是示出执行认证功能的组件的手持电子设备的高层框图;
图26是在手持电子设备的外部产生用户代码的处理器的框图;和
图27是图25中所示的认证处理器的框图。
在这些图中,通过示例来说明本发明的实施例。很容易理解,说明书和附图仅仅用于说明的目的以及对理解的帮助,不能用于限定本发明的范围。
具体实施方式
依照本发明非限制性的实施例,图1示出了整体系统架构。典型地,由附图标记10所指示的系统打算在现场体育赛事中使用。现场体育赛事是许多人的集会,有几百人或更多人参与公共表演。现场体育赛事的例子包括但不限于:机动车体育赛事,例如赛车,或摩托车比赛;高尔夫比赛;橄榄球比赛;英式足球比赛;棒球比赛;曲棍球比赛;网球比赛;赛马;马球比赛;篮球比赛;奥运会。
系统10向参加现场体育赛事的观众传送视频、音频和数据内容。为了清楚,本发明可以被用于与现场体育赛事的广泛形式有关的场合而不背离本发明的精神。因此,即使本说明书提供的实施例与赛车有关,这不应当认为是限定性的特征。
如图1所示,系统10包括头端12、发射器14以及多个手持电子设备16,每个电子设备16供一个观众使用。虽然仅示出了一个电子设备16,在最实际的应用中可以提供几乎任意数量的手持电子设备16。例如,在吸引成千上万的在场观众的赛车中,头端12和发射器14可以支持相同数量的手持电子设备16。
发射器14以无线方式与各个手持电子设备16通信。在图中的示例中,通信是无线电射频(RF)通信。该RF传输是单向的。换句话说,信息流是从发射器14到每个电子设备16的。以广播模式实现这种方式,其中每个电子设备16从发射器14接收相同的信息。在单向RF传输中,该手持电子设备16不能经无线RF通信链路向发射器14传回信息。
在非限定性的实施例中,无线RF传输是在比赛地点现场执行的。“现场”指的是产生无线RF传输的天线位于比赛地点内或位于比赛地点外但通常靠近比赛地点。信号功率电平也被控制,使得手持电子设备16能够在比赛地点内充分地接收无线RF传输,但在离比赛地点相当远的距离时,信号衰减并不再允许高质量的接收。离“相当远”的距离是指在千米量级的距离。
应当理解,手持电子设备16能够单向无线通信,如上所述,或者作为选择,它们能够进行双向无线通信。在单向无线通信的情况中,手持电子设备16仅能接收无线信息。换句话说,它们不能经无线通信链路向发射器14或另一个实体传回信息。应当意识到,虽然手持电子设备16可能仅能进行单向无线通信,它们也可以操作用于经有线链路发送和接收信息,例如,经USB连接端口。
在双向无线通信中,每个电子设备16能够经无线通信链路接收信息,也能够经无线通信链路发送信息。在这种情况下,电子设备16配备有RF收发器(图中未示出),以能够处理接收和发送功能。被发送的信息可以被发送到系统10的实体(未示出),或者被发送到属于外部网络的实体。手持电子设备16可操作用于经无线RF通信链路(例如小区链路(cellular link))发送信息。当使用小区链路时,手持电子设备16将拔打电话号码,然后经小区链路向接收器/收发器发送信息。在说明书中将详细地说明这些情形,其中优选地是具有双向无线通信能力的手持电子设备16。
可以在接收和发送链路上提供相同或相似的带宽来实现双向通信特性。然而,在大部分情况下,这是不必要的,因为需要从手持电子设备16发送的信息量通常不同于其需要接收的信息量。典型地,手持电子设备16需要发送的信息远少于其接收的信息。使用小区网络的实施例是在发送链路上提供足够带宽的示例。经“小区”网络意思是使用一系列具有有限地理范围并在其中提供通信服务的小区的网络。在实施例的一种可能的形式中,这些小区可以被安排提供切换(hand-off)以移动手持电子设备16,这样当手持电子设备16移出一个小区并进入一个新小区时,通信服务无缝地从一个小区设施转移到另一个小区设施中。术语“小区”网络包括使用许可带宽的通信设施,例如基于码分多址(CDMA)、时分多址(TDMA)、移动组站(Groupe StationMobile-GSM)或其它技术的典型的移动电话(cellular telephone),以及使用非许可带宽的通信设施,例如无线保真(WiFi),其通常用于向计算机网络提供无线接入。使用非许可带宽的“小区”技术的另一个可能的例子是所谓的“蓝牙”协议,其提供非常短距离的无线通信能力。
小区链路允许电子设备16经相对有限的带宽发送信息,然而,在大多数情况下,需要发送的信息量很少,因此可用带宽应当是足够的。另一方面,接收链路具有较大的带宽以提供多个视频流以及应当发送到电子设备16的其它数据。而且,小区链路允许手持电子设备16相互独立地发送信息。
头端12接收来自各个源的内容。在输入到头端12之前,可以对这些内容进行格式化或进行编辑。在图1的示例中,示出了多个内容源,针对本申请的目的,将在赛车的内容中说明这些内容源。有许多视频输入信号31,这些信号源自沿赛道布置的或在赛道附近的地点(例如修理站(pit))的摄像机。这些摄像机拍摄现场体育赛事的图像,并输出组成相应的视频输入信号的视频信息。也提供多个音频输入信号32,其中每个音频输入信号32都与视频输入信号31相关。音频输入信号32传输音频信息,例如,在相关的摄像机放置的位置的麦克风所采集的噪声,或音频解说。这些音频解说可以是由麦克风所采集的解说员或在一个或多个视频输入端子处出现的任何个人的语音。也可以提供单独的音频输入信号32,用于传输不与任何特定的视频内容相关的单独的音频内容。例如,这些独立的音频输入信号32可以是车手与修理站工作人员之间的无线电对话。这些音频对话由无线电扫描器阵列15采集,每个无线电扫描器被调谐到分配给某个赛车队的某个特定频率上。
典型地,音频和视频数据由管理该现场体育赛事的机构提供。例如,在赛车比赛中,可以由国家汽车比赛协会(NASCAR)提供视频和音频数据。在另一个非限制性的示例中,包含音频解说的独立的音频输入信号可以由解说员所加入的电视网提供,例如TSN。
内容源也包含实时数据内容35。该实时数据内容35传输与观众观看的比赛相关的信息。例如,在机动车比赛(例如赛车)的环境中实时数据内容可以是时间和排名信息、单圈时间、在赛道上的各车的位置、以及车手的生理信息,等等。典型地,实时数据内容也可以由管理现场体育赛事的机构提供。
在内容制作站20中编辑视频输入信号31和音频输入信号32(除独立音频输入信号外)。内容制作站20不是该系统的一部分,其仅仅提供一种工具,其中技术人员能够编排或编辑原始内容以使其更适于向观众呈现。内容制作站20包括允许技术人员进行必要的内容编辑操作的工作台。内容制作站20不构成本发明的一部分。
在图1所示的实施例中,头端12接收7种不同的输入。这些输入宽泛地描述如下:
1、第一输入,由附图标记100所示,包括多个已编辑的视频输入信号,以串行数字接口(SDI)格式发送。
2、第二输入200包括多个编辑的与相应的视频输入信号31相关的音频输入信号32。这些音频输入信号32以模拟的格式发送。例如,每个音频输入信号32可以以分离的频带发送。
3、第三输入300包括独立音频输入信号33,这些独立音频输入信号也可以经独立频带以模拟格式发送。如前所述,独立音频输入信号33可以传输由无线电扫描器15采集的语音对话、音频解说等等。
4、第四输入400包括以数字形式被发送到头端12的实时数据内容35。在一个非限制性示例中,实时数据内容包括与现场体育赛事有关的信息,例如,得分以及选手的排名信息,或其它信息。在赛车比赛的具体例子中,实时信息可包括:当前排名;所剩余的圈数;仍然在比赛中的参赛选手;不再在比赛中的参赛选手;当前领先者或任何一个参赛选手的最快的一圈;当前领先者或任何一个参赛选手的平均速度,或其它别的;任何一个参赛选手的当前速度;任何一个参赛选手的引擎的每分钟转数(RPM);在任何一个参赛选手的传动中的常啮合齿轮。
在另一例子中,实时数据内容也能传送与任何一个参赛选手有关的生理信息。还在是赛车环境中,生理信息可以包括车手的心率或其体温,以及其它别的。实时数据内容通常由支持该现场体育赛事的机构提供。在传送生理信息的情况下,一种可能的实现方式将需要向一个或多个参赛选手提供必需的测量心率、体温等的传感器,并向头端12传送收集的信息,这样其可以被包括在无线RF传输中。不必详细地说明如何收集生理信息以及向头端12传送,因为这是本领域技术人员所知道的。
5、第五输入500包括从认证数据库502接收的认证数据。认证数据500被数字地传输到头端12。
6、第六输入600包括从辅助信息数据库602输出的辅助内容。辅助内容600可以是视频、音频或数据的形式,例如用于向观众显示的文本。辅助内容的例子包括:
a)广告内容。广告内容能够以视频、音频或视频和音频的组合的形式传送。各种示例包括短片、静态图像或者显示为覆盖在观众的显示屏上显示的其它视频内容上的静态图像的一部分。广告内容能够以多种形式发送。例如包括:
(1)一种可能是广播广告内容,以在每个电子设备16上播放。在这种方式中,每个观众接收到相同的内容。广告能够经独立的视频/音频流发送到手持电子设备16,这样观众能够选择何时观看广告或不观看广告。例如,能够以某种方式编程电子设备16,以允许观众访问连续地播放广告内容的特定广告频道。作为选择,广告也能被插入到传送与赛事相关的内容的视频/音频流中。可以根据在比赛期间一个或多个预定事件的发生而执行广告的插入。例如,在空闲时间期间,可以播放广告。这些广告可以是短片的形式,这些短片在电子设备16上播放预定时间段,例如30秒。另一种可能是把广告呈现为标题、标志或以显示在手持电子设备16的屏幕的某些区域上的记号(ticker)形式。
(2)第二种可能是根据观众的简档来传送广告内容。广告被分成块,其中每一块对应于一种观众简档。观众简档能够以各种方式描述,例如年龄组、性别、收入级别、感兴趣的方面或上述各项的组合,或其它。例如,对于根据性别而彼此区别的简档,把为了吸引男士的兴趣而设计的广告放入一种简档中,而把更可能引起女士兴趣的广告放入另一种简档中。在简档是基于收入级别而区分的情况下,将根据产品或服务的花费而把产品或服务的广告放入简档中;较贵的产品或服务将被放入与较高收入级别相关的简档中。
b)关于比赛地点或赛事的背景内容(contextual content)。在机动车比赛中,例如赛车,背景内容可以包括关于赛道或比赛地点的信息,例如:赛道和/或比赛地点的地图;赛道和/或比赛地点的历史;赛车队的列表;关于每个队的信息;关于车手和汽车的信息;指示在比赛地点的哪些地方可以找到某些设施,例如洗手间、自动贩卖机或看台,或其它。
c)新闻。新闻内容可以包括“爆炸性”新闻公告板,天气信息以及类似证券交易平均值或指数的经济信息,或其它。
d)环境条件。在某些赛事时,例如高尔夫比赛,环境条件可以显著地影响比赛的方式。这样,关于环境条件的信息,例如:当前气温;风速;风向;湿度;天气预报。
e)购物信息。为了使观众能购买关于现场体育赛事的产品或服务,例如T恤、帽子、相关体育装备以及来自比赛者或参赛选手的亲笔签名的产品,向观众提供购物服务。购物信息可以以可购买产品的电子目录的形式显示,电子目录列出了用于出售的产品和装备。购物目录也可以包括来自该体育赛事的赞助商的产品。
在一个非限制定实施例中,在a)段中说明的广告信息也可以捆绑到购物服务中。例如,在体育比赛期间,广告信息可以在购物目录中向观众说明可以购买来自比赛赞助商的产品。另外,当在现场体育比赛中出现了令人激动的事件时,例如确定了该比赛的冠军,广告信息可以向观众说明与该项比赛的冠军有关的T恤以及其它物品可以通过购物目录进行购买。
为了根据购物目录购买产品,观众将把所选择的物品添加到虚拟“购物车”中,然后“结账”。
当电子设备16只能单向无线通信时,观众必须把电子设备16(例如,经USB端口)物理地连接到位于体育赛事的购买终端,或当他们回到家时连接到他们的PC。购买信息将从电子设备16被下载到终端或PC,终端或PC再向适当的实体发送该信息。
作为选择,当电子设备16能够双向无线通信时,如上所述,购买信息可以经无线通信链路立即被发送到适当的接收器/发射器以完成在线购买。适当的接收器/发射器可以是系统10的一部分,或者可以是外部网络的一部分。
f)小游戏和/或调查。在现场体育比赛期间,手持电子设备16能够以小游戏或调查的形式向观众呈现一系列的问题。做这些可以是为了从观众那里收集信息,或者是为了在现场体育比赛的空闲期间娱乐观众。观众将能够以是/不是的形式或多个选项的形式经电子设备16的用户接口回答这些问题。
当电子设备16只能单向无线通信时,观众将把该设备(例如,经USB端口)物理地连接到位于现场体育比赛的终端,或者当他们到家时连接到PC上,从而把他们的答案发送到外部设备上。然后,该信息可以被发送到适当的实体上。当问题是小游戏的形式时,通过把观众的答案提交给游戏,观众有资格赢取奖金。
作为选择,当该设备能够双向无线通信时,如上所述,对小游戏或调查问题的回答能够经无线通信链路,例如无线RF链路(例如,小区链路),直接发送到监测结果的实体。理想地,在小游戏的场景中,在现场体育赛事中的众多观众将能实时地回答这些问题,这样几乎可以立即编辑并向观众发送这些结果。由实时小游戏所产生的激励,即向参赛选手授予的奖品,将有助于增强观众在现场体育比赛中的乐趣。能够使小游戏/调查适应现场体育赛事的展开。例如,小游戏被设计成产生与在比赛中处于领先的参赛选手有关的问题。通常,周期性地发送到手持电子设备16的服务数据将包括允许每个手持电子设备16显示问题并回答选择的信息。可以按照前面所说明的方式收集观众所作出的回答。另一种选择是与小游戏/调查一起发送答案,这样,观众可以知道他或她是否提供了对该问题的正确的回答。此时,小游戏/调查用于向观众提供娱乐,而不需要任何答案的集中收集。
7、最后,第七输入700包括服务数据。该服务数据位于数据库702中。该数据库也能与因特网连接以获得更新或规划发布,在由系统10所服务的赛事开始之前不会提供该发布。服务数据的例子包括:
a)用于设置在每个电子设备16上运行的软件的数据(为了本说明书的目的,“设置”是指改变已经在电子设备16中存在的软件,或者装载在电子设备16中没有的新软件)。例如,服务数据可以用于向该手持电子设备16加载全新或部分的图形用户界面(GUI),从而为该赛事定制手持电子设备16。能够加载的部分GUI的例子是在电子设备16上形成菜单的数据。该菜单向观众提供列表选项。另一个GUI组件可以是能够为该赛事定制的图形信息,例如能够在其上向观众显示其它GUI组件的背景图像。服务数据能够以多种不同的语言加载图形用户界面(GUI),从而向使用手持电子设备16的观众提供多种语言支持。以这种方式,使用手持电子设备16的观众能够选择他们所偏爱的语言。语言的选择可以在给电子设备16加电时所显示的初始启动屏幕上向观众显示。具体地,用户界面的下述组件能够经由服务数据来设置:
i)背景图像信息;
如上所述,这是与用户界面相关的图形信息。
ii)菜单结构和外观;
其指的是菜单的选项,具体地,选项层次,选项自身(其是供观众使用的选项,从中观众能够选择操作),菜单的图形组件,例如选项在显示屏上的布置、选项的颜色和形状,等等。
iii)软键部署以及外观(软键将在后面讨论);
软键的美学组件,例如它们在屏幕上的位置、他们的形状、颜色等待。
iv)软键的分配;
分配到相应软键的功能。
v)图标在屏幕上的部署;
图标在屏幕上的外观以及布置。
vi)导航机制
用户界面响应的导航机制的类型,例如上、下、左、右箭头,指向设备(pointing device),语音识别,等等。
b)能够供电子设备16用来显示比赛地点或其部分的地图的制图数据。该制图数据可以以独立的方式用于在手持电子设备16的显示器上显示比赛地点的地图,该地图能够被放大或缩小到细节的期望等级、或移动以显示该地图的不同的区域。作为选择,制图数据能够与坐标接收器(例如能够产生电子设备16的位置的坐标的全球定位系统(GPS)接收器)一起使用。然后,该坐标能够用于在显示器上显示比赛地点的地图并标出电子设备16的位置。制图数据也能够包括所关心的特定位置,例如洗手间、贩卖台、停车场等等。当打算把制图数据结合由GPS接收器或其它任何能够产生位置信息的合适的设备产生的位置信息时,典型地,其将作为地理基准(georeference)。对于不打算与产生位置信息的设备结合的地图而言,不需要这样的地理基准,因为仅简单地将该地图处理作为供观众观看的图像。
c)用于允许观众在个人手持电子设备16上玩一个或多个视频游戏的视频游戏数据。视频游戏数据包括由电子设备16的处理器执行以使观众能够在手持电子设备16的显示器上玩视频游戏的程序代码。用于观众娱乐的视频游戏具有能够在显示器上操作的图像。经用户接口控制该视频游戏。
辅助内容600能够从多种源而获得。广告、购物、比赛地点或关于赛事的信息可以记录在任何合适的介质上,并在头端12中插入到视频/音频内容中。具体地,广告、购物、比赛地点或关于赛事的信息可以以数字形式存储在数据库602中。数据库602的输出连接至头端12,这样在数据库602中的视频/音频内容能够被插入到正在被广播至手持电子设备16的视频/音频内容中。因特网是辅助内容的另一种源。具体地,新闻服务能够来自因特网并被插入到正在向手持电子设备16广播的视频/音频内容中。
图2示出了头端12更详细的框图。头端12把来自不同输入的数据组织成用于向个人手持电子设备16广播的结构化信息流。头端12具有视频处理器40、音频处理器42、控制实体44以及多路复用器46。控制实体44包括运行程序以执行各种任务的计算平台。虽然在图中未示出,该计算平台包括处理器,以及保持由处理器处理的程序代码和数据的存储器。另外,计算平台具有向技术人员提供向控制实体44发送命令或者从那里接收信息的能力的图形用户界面(GUI)48。GUI48可以具有不同的形式而不背离本发明的精神。例如,GUI48能够包括向技术人员显示信息的显示器以及用于数据和命令输入的键盘与鼠标的组合。
控制实体44接收各种形式的信息,并将它们传送到合适的编码器进行处理。具体地,在控制实体44的第一个输入端接收的所有视频输入信号都切换至把SDI格式转换至运动图像专家组(MPEG)-4格式的视频处理器40。压缩每个视频流从而在手持电子设备上以30帧/秒(fps)、16位颜色、320×240像素分辨率提供运动图像。最后的比特率为384k比特/秒。由于视频处理器40需要同时处理多个视频输入信号,因此其被设计为能够并行地处理这些输入信号。实施例的优选形式采用多个编码器站,每个被分配视频输入信号31。编码器站可以基于专用视频处理芯片或纯粹基于软件,或者是两者的组合。作为选择,视频处理器40可以采用具有缓冲能力的单一处理模块,从而顺序地处理来自不同视频输入信号31的数据块。当有足够大的缓冲器以及足够快的处理模块时,可以编码所有的视频输入信号31而不产生数据损失。
在非限制性实施例中,视频处理器40的编码器站能够把“书签”数据编码到视频输入信号中。该“书签”数据充当指针以指向该视频输入信号的特定部分。通常,包括这些指针来标记可能引起电子设备16的观众的兴趣来观看的视频输入信号的部分。
例如,如果现场体育赛事是赛车,视频输入信号之一包括撞车的镜头(footage),编排那个视频输入信号31的格式的编码器可以包括指向在该视频输入信号中发生撞车的位置的“书签”数据。这样,当视频输入信号被发送到电子设备16时,通知观众有一个与撞车有关的书签,通过选择该书签,电子设备16播放从由“书签”数据所指的部分开始的视频输入信号。这样,电子设备16将显示与撞车有关的视频的特定部分。当电子设备16具有视频重放能力时,该特征尤其有用,因此观众能够重放该视频内容,并利用书签作为参考而找到所关心的事件。可以使用书签的另一个例子包括橄榄球比赛。当发生触地得分时,在视频输入信号中放入书签数据,这样观众能够容易地定位比赛的精彩部分。管理头端12的人或具有内容编辑权利的任何其它人决定在视频输入信号中插入书签数据。响应于操作员在用户界面48上的输入,头端12产生书签数据。在说明书将进一步详细说明“书签”的使用。
注意,由于MPEG-4编码也处理音频,所以与相应的视频输入信号31相关的音频输入信号32也传输到视频处理器40。因此,视频处理器40的输出是MPEG-4编码的视频信道,其中每个信道具有视频流部分和音频流部分。
在第三输入300接收的独立音频输入信号33被传输到将把它们编码为运动图像专家组音频层3(MP3)格式的音频处理器42。由于MP3编码的视频输入信号31传输声音信息,它们可以被压缩为8k比特/秒的数据率而保持足够的质量。与在视频处理器40中的一样,音频处理器42采用一系列的音频编码站,每个专门用于给定的音频输入信号(来自第二输入和第三输入)。作为选择,音频处理器42可以采用单一的、足够快的、具有缓冲能力的编码模块来顺序地处理来自所有音频输入信号32的数据块。
如将在说明书中进一步更详细地说明的,编码站能够编码每个音频输入信号,这样,发射器14和/或手持电子设备16能够基于该编码而检测该输入信号是有效的还是无效的。有效的音频流是指传输观众能够理解的一些形式的信息的音频流。相反地,无效的音频流是指不传输这样的信息的流,例如低强度噪声,例如,无声。具体地,能够向编码站提供在信号中检测活动电平的逻辑,从而试图识别该信号是否携带了有效的语音或声音或仅仅是低强度噪声。允许区别有效音频和无声的逻辑规则是众所周知的,所以无须进行详细的说明。
一种具体的可能是监测信号电平或该信号传输的能量等级,并利用阈值作为判决点。低于阈值的任何信号被认为是低强度噪声,例如无声,而所有高于阈值的是有效的音频信息,例如语音。音频流的状态,换句话说,无声或有效音频信息,可以通过在无线广播到手持电子设备16的二进制流中插入标志或任何其它形式的标记而被传输到手持电子设备16。当使用标志时,一种二进制值表示无声,而另一种二进制值表示有效的语音。除了根据音频流的状态进行确定外,所观察到的状态也可以用于在遇到无声的状况时简单地停止编码处理,并随后在产生有效的语音时恢复编码处理。
控制实体44执行被称为实时数据、认证数据、辅助内容和服务数据的第四、五、六、七输入的处理。该处理的目的是封装这些数据从而能够将其发送到个人手持电子设备16。
控制实体44、视频和音频处理器40和42的输出被传送至把数据合并为一个公共数据流的多路复用器46。然后,把该数据流传输到产生无线RF传输的发射器14,从而向个人手持电子设备16广播该信息。发射器14可以被设计为使用单一6MHz连续信道带宽以向手持电子设备16广播全部的有效载荷。下表提供了有效载荷的例子。
从发射器14向个人手持电子设备16广播的数据流被组织成数字分组(packet)的形式。在特定而非限制性的实施例中,发送三种类型的分组。第一种类型包括视频信息。实质上,封装并发送MPEG-4信息流。视频信息分组包括首标,首标中含有允许电子设备16适当地解码并处理该视频信息分组的相关数据。有利地,为了更可靠的传输,在首标中还包括差错检测和纠错数据。第二种分组类型包括独立的音频信息。第三种分组类型包括剩余的有效载荷,例如辅助信息以及真实和服务类型数据。与第一种分组类型一样,第二和第三种分组类型在首标中包括标识数据,以向手持电子设备16告知该分组含有哪种类型的内容,这样该内容可以被正确地处理。
图3示出了电子设备16的透视图。电子设备16是一种设计为在观众的手中感觉舒适的手持式设备。其包括带有控制电子设备16的操作的必要键的键盘800。在键盘800上方有显示部分,在其中放置显示屏802。
图4是电子设备16的框图。电子设备16是基于计算机的设备,其接收发射器14发送的信息。视频信息显示在显示屏802上,而音频信息经适合的扬声器/耳机124播放。观众能够控制视频信道的选择,也可以执行其它操作。通过在电子设备16上的视频信道,其意味着视频流与相关音频流的组合。
如图4中所示,电子设备16具有执行控制电子设备16的各种功能的软件的处理器100。通常,软件具有4个主要层,称为:
·配置层
该配置层允许观众或厂商设置电子设备16的特性,例如允许或禁止选项、语言、时间、口令等。
·GUI层
在本说明书所说明的例子中,GUI包括允许观众访问电子设备16的特定功能的图形和导航层。典型地,GUI在显示屏上向观众显示选项,例如观众能够导航访问到所期望特性的菜单。如前所述,由发射器14广播的有效载荷的服务数据部分包括定义图形和导航层如何向观众显示的信息。下面给出了服务数据部分能够传输的信息类型的例子,其属于GUI,用于设置GUI来使用:
i.背景图像-在显示屏上显示的并在其上覆盖其它类型的信息(例如菜单选择)的图像。例如,背景可以具有与赛事或比赛地点有关的可视主题。背景图像可以随不同的赛事或比赛地点而改变。
ii.菜单选择-定义向观众所提供的选项层次。例如,对某个赛事,10个视频信道可供选择,而对其它赛事,可能有更少或更多的信道。
iii.菜单外观和细节-与各种菜单选择有关的可视外观和提示。例如,不同的视频信道可以具有与其相关的不同的名称或标识符,例如在修理站的视频信道、来自车手XYZ的赛车中的摄像机的视频信道或来自赛道左边角落的视频信道。
iv.软键分配-简要参照图3,手持电子设备具有功能键810(F1,F2,F3和F4)。用户界面可为每个物理键F1、F2、F3或F4分配不同的功能。在特定而非限制性实施例中,键的当前分配被显示在显示器802中,位于相关联的物理键(F1,F2,F3或F4)的正上方。
v.软键部署和外观-软键的美学组素,例如在显示屏上的位置、它们的形状、颜色等等。
vi.在显示器上的图标的部署-图标在显示器屏上的外观和布置。
vii.导航机制-用户界面所响应的导航机制的类型,例如上、下、左和右箭头,指向设备,语音识别,等等。
在非限制性实施例中,在电子设备16中用于设置GUI的数据是从发射器14无线发送的,发射器14用于发送传送有效载荷的无线RF传输。在一个可能实施例中,在早于视频流传输的开始的操作窗口期间,发送用于实现GUI设置的数据。例如,在机动车比赛的环境中,例如赛车,在比赛开始之前执行这个操作。在第二个例子中,用于设置GUI的数据与其它有效载荷一起发送。只要与电子设备16有关,在接收到用于配置GUI的数据后,就装载它,这样可以向观众呈现新的GUI。当需要认证处理以允许电子设备16访问该视频流时-这将在后面说明,新GUI的实际装载将被延期直至已经完成认证。
·基线代码
在特定而非限制性实施例中,使用LINUX内核(kernel)来提供公用核心服务,例如存储器管理、任务调度和用户接口,以及其它。
·基本固件
嵌入硬件以控制硬件的软件。例如,解码由发射器广播的视频和音频信息的算法可以以硬件实现。
软件被存储在通用存储器102中。典型地,该存储器102包括含有需永久保留的数据-例如处理器100所执行的程序代码-的只读存储器(ROM)部分。另外,存储器102还包括临时存储被处理的数据的随机存取存储器(RAM)部分。存储器102可以被实现为单个单元,例如作为基于半导体的模块,或者可以包括基于半导体的模块与大容量存储设备的组合,例如硬盘驱动器。
提供通用串行总线104(USB)端口以允许电子设备16连接到外部设备。具体地,USB端口104允许把该电子设备16连接到可以从该电子设备16下载信息或向它上传数据的计算机。例如,当希望向外部计算机传输存储在存储器102中的数据时,可以使用下载处理。同样,使用上传过程以执行相反的操作。这个在例如希望通过安装一个或多个更新而改变运行电子设备16的程序的情况下是有用的。当电子设备16被加电时,USB端口104需要合适的驱动器,该驱动器由处理器100加载并运行。
提供可移动的存储介质读/写器106以允许电子设备16在可移动存储介质-例如存储卡-上读数据或写数据。利用这个特性可以永久地记录发送到该电子设备16上的与赛事有关的内容。这个功能将在后面更详细的说明。
如前所述,键区800允许观众控制电子设备16的操作。构成键区800的键的数字和类型是基于特定应用的选择的问题。作为可能的变型,触摸屏或语音识别能力可用于代替键区800,或者与键区800组合形成由观众录入命令和数据的方式。
电子设备16具有无线RF接收器和解调器110,其用于感测无线RF传输、解调它并将它作为正确组织和格式化的数据块发送到数据总线112。经数据总线112发送的数据可供存储器102、处理器100、USB端口104以及可移动存储介质读/写器106使用。在特定实施例中,无线RF接收器和解调器110工作在超高频(UHF)范围内,具体地在470MHz至806MHz的子范围内。6MHz的连续带宽(等于一个正规TV信道)足够用于发送前述的示例性的有效载荷。作为选择,传输也可以在2.5GHz范围内。
提供视频解码器114以执行从无线RF接收器和解调器110接收的视频信道的解码。为了清楚起见,必须提到,尽管本说明书认为解码器114是“视频”解码器,然而其也可以对与该视频流相关的音频信息执行音频解码。视频解码器114具有缓冲器形式的存储器27,其将存储表示一段时间的视频信道影像(video channel play)的未解码的视频/音频信息。例如,可以选择缓冲器的大小,使其可以为每个信道存储5分钟的视频信道影像。在使用时,从无线RF接收器和解调器110接收的还未解码的视频/音频信息经数据总线112发送到视频解码器114。视频解码器114解码该视频/音频信息,然后把它传输到显示屏802以供观众观看。同时,未解码的视频/音频信息被传输到开始填充的存储缓冲器27中。当存储缓冲器27已经完全被充满时,它开始溢出,这样仅保留最后5分钟的视频信道影像。除了仅仅观众想观看的视频信道被解码并传输到显示屏802以外,对每一个视频信道执行相同的操作。因此,存储缓冲器27在功能上被分段为一些区域,其中每个区域与一视频信道相关。
解码与正在观看的视频流相关的音频流,并将其转换为模拟格式、放大并传输到扬声器/耳机124,这样,观众能够在显示屏802上观看视频流,并同时听到音频。
保留最后5分钟的视频信道影像的能力向观众提供了感兴趣的可能性。例如,观众能够操作存储缓冲器27中的数据从而重放某一视频信道内容,进行快进操作、倒回操作,以及通过将其拷贝到可移动存储介质读/写器106中的存储介质上,在存储缓冲器27中以部分或全部内容的方式记录该视频/音频信息。这样,观众感兴趣的视频/音频信息可以被永久存储下来。而且,通过切换信道,然后“倒回”存储缓冲器27中与新选择的信道相关的内容,观众能够观看可能错过的任何表演。
另外,观众可以创建“书签”来标识他们可能希望重新观看的一部分视频输入信号。“书签”标记视频流中的位置。例如,“书签”可以是指向存储在缓冲器或存储在存储介质读/写器106中的视频输入信号的具体地址的指针的形式。当访问书签时,其足够播放从该书签所指向的地址开始的视频内容。
观众通过选择用户界面的GUI菜单之一所提供的选项来创建这样的“书签”。观众通过操作键盘上的键来引导菜单。这些键可以是箭头键或任何其它合适的键。当已经进行了选择时,通过按下任何合适的键例如“输入”键可以激活选择或选项。
当观众观看现场视频信道并看到其感兴趣的表演时,可以创建“书签”。通过输入必要的命令,创建书签。在重放期间,观众通过使用书签可以快速地识别感兴趣的视频图像。当观众想拷贝在读/写器106中的可移动存储介质上的一些视频内容时,书签也很有用。如果书签指向正在被拷贝的视频内容时,书签也被拷贝,这样感兴趣的赛事的标识也被保留在拷贝中。
观众创建书签的能力可以代替或与在头端12所进行的书签生成相结合使用,并在无线RF传输中传送。这些书签以与观众所创建的书签相同的方式起作用。当在无线RF传输中所传送的信息中观察到表示书签的数据时,创建书签并与剩余的书签一起存储。
一旦创建之后,在电子设备16的存储器102中存储“书签”或指针,这样,可以由处理器100对其进行访问。每当观众想重看视频输入信号的“加上书签”的部分时,手持电子设备软件将使视频解码器114检索由“书签”所指向的视频输入信号,并从那个点开始播放视频输入信号。如上所述,视频输入信号被存储在视频存储器27或存储介质读/写器106中。当视频输入信号仅被存储在视频存储器27时,视频存储器27作为以最近的视频输入信号代替旧的视频输入信号的循环缓冲器,一旦视频输入信号的被“加上书签”的部分被更新的视频输入信号所代替时,视频解码器114就不能访问那些“加上书签”的视频输入信号。这样,当观众想保留“加上书签”的视频输入信号比存储缓冲器27所允许的时间(例如5分钟)更长时间时,观众必须把那部分视频输入信号传输到存储介质读/写器106中。
创建“书签”的能力向观众提供了快速回到他们可能希望再看的视频信息部分的能力。如上所述,“书签”不仅可以由观众创建,而且也可以从发射器14直接提供给电子设备16。向观众呈现这些“书签”,这样,如果观众希望看到与特定书签有关的视频信息部分,则他们很容易做到。典型地,从发射器14提供给手持电子设备16的“书签”与在直播体育赛事期间发生的激动人心的事件有关,如撞车、赛车越过终点线或观众可能已经错过和想重新观看的任何其它事件。
普遍认为适合使用基于半导体的单元形式的存储缓冲器27。在为了存储大量视频内容而需要大存储能力的应用中,可以使用例如硬盘驱动器的存储设备。
显示屏802可以是任何合适的类型。一种可能是利用能够提供320×240像素分辨率的图像并具有16位色彩深度的3.5寸对角空透反射式(transrelfective)薄膜晶体管(TFT)显示屏。很显然,在不背离本发明的精神的情况下,可以使用其它显示器类型。可选地,利用发光二极管(LED),可向电子设备16提供照明系统(未显示在图中),以便在低光线级别的条件下进行观看。
音频解码器120与视频解码器114的工作方式有些类似。具体来说,音频解码器120与音频存储缓冲器29有关联,并且它处理来自独立音频输入信号32的传达音频信息的音频流(独立的音频流)。这些独立的音频流以压缩格式被存储在音频存储缓冲器29中,从而记录所接收到的预定时间段的音频内容。
通过存储由电子设备16在由音频存储缓冲器29的容量所确定的时间段所接收到的音频内容,向观众提供“重放”音频内容、进行“快进”、“倒带”及书签的能力。另外,在音频存储缓冲器29中的音频信息可以以部分或全部的方式、通过把该内容拷贝到可移动存储介质读/写器106内的存储介质上进行记录。如上文所述,也可以为音频信息创建书签。
现在将详细说明电子设备16的功能。
1、手持电子设备认证
图5中的流程图示出了普通电子设备16的注册过程,其中还包括认证特征。当观众购买电子设备16时,卖方将记录电子设备16的唯一标识符。该标识符可以是分配给电子设备16的任何代码,如数字或字符串,这样,它可区别于其它手持电子设备16。典型地,标识符是永久存储在手持电子设备16中的二进制代码,并且不可改变。当手持电子设备16在使用时,处理器100可容易地访问该二进制代码。为方便起见,该唯一标识符可以被放置在位于该电子设备16上或者制造商运送该设备的盒子上的可移除标签上。该标识符可以被打印为机器(例如,条形码阅读器)可读的条形码,并显示为字母数字式字符或者两者兼有。以这种方式,进行交易的店员可以很容易地记录标识符而不必从电子设备16提取它。
在下一步中,一旦已经记录了标识符,典型地,卖方会在数据库中创建用户帐户。另一种选择是允许用户在线创建他/她的帐户。这种选择将在后面讨论。用户帐户将允许用户购买向电子设备16的传送内容。在图5所描述的示例中,用户基于赛事购买内容访问。这就是说,对于用户希望参加的每个赛事,用户会付费,并仅提供针对那个赛事的服务传送。很显然,存在其它选择。举例来说,用户可以基于订阅自行购买对内容的访问,从而在一预定时间段中访问那个时间段内的所有赛事的内容。此外,可以设计该帐户以允许不同级别的服务,如基础级或高等级。例如,高等级的服务向用户提供在基础级下不提供的特性。
继续上面的例子,假设用户现在希望在电子设备16上访问关于用户计划参与的某一现场体育赛事的内容。随后,用户向其帐户支付费用。该费用可以亲自交付到有权接收付款的报亭或其它任何地方。有利地,可以使用电子付款方式,如通过互联网。以这种方式,用户登录到服务提供商的因特网网址,使用信用卡或其它方式进行支付。典型地,支付过程将包括选择希望访问内容的赛事或赛事组、服务级别,如果适用时,然后支付费用。当费用已经支付并生效时,该条目自动记录到用户帐户中并表明为该帐户所指定的电子设备16开启了对内容的访问。在后续说明书中提供关于在线服务传送购买的详细示例。
在赛事中,在开始向个人手持电子设备16广播该内容之前,数据库502经因特网接入服务提供商的网络,这样,数据库502中记录了所有已经支付了内容传送费用的手持电子设备16的标识符。一旦完成了这一步,把数据库502中所有的电子设备16的标识符发送到头端12中,这样,它们都被包括在发射器14进行的广播中。具体而言,周期性地广播标识符块,例如每分钟,这样允许个人手持电子设备16在任何时间执行认证过程。
每个电子设备16被设计成除非处于电子解锁状态,否则它不能够操作。当对电子设备16加电时,它自动进入锁定模式。在锁定模式期间,电子设备16将捕获无线RF传输并解码信息,从而提取正发送的标识符块。在该例子中,标识符块构成确定是否允许某一特定的电子设备16接收服务的认证数据。一旦从传输中提取了标识符块,电子设备16将比较标识符块中每个代码和该电子设备16的标识符。如果匹配,那么电子设备16进入解锁模式,并能充分地接收正在广播的内容。然而,如果在一段时间后发现不匹配,比如说2分钟,电子设备16自动关闭。
上面所说明的方法是确保内容仅传送到已经付费的观众的一种简单方法,因为不需要对视频/音频内容进行加密。此外,从物流的角度,以无线的方式向个人手持电子设备16传送认证信息-如标识符块-很简单。
为了加强安全性,可以使用任何合适的加密技术加密正在传送的该标识符块。因此,应该向电子设备16提供利用合适的密钥解密标识符块的能力。
另一种选择是加密整个传输,并要求该电子设备16对其进行解密。在这种实现形式中,加密构成了由个人手持电子设备16所处理的无线RF传输所携带的认证数据。可能需要观众输入解密密钥或密码,以允许电子设备16被解除锁定。在这种情况下,在对服务付款后可以向观众提供解密密钥。当观众为手持电子设备16加电时,观众输入密钥,并利用该密钥进行解密。
如果需要加密或解密,可以在电子设备16上通过合适的软件或硬件来实现该功能,这两者都是本领域所知的。
可以改变前面所述的认证以提供服务级别访问控制。如将在后面讨论的,手持电子设备16可设计成这样一种方式:向观众传送不同级别或类别的服务。例如,可在内容的基础上区别各个级别。服务的基本级别可包括基本内容,例如,有限数量的视频信道。较高级别的服务可能包含有较多的视频信道和背景信息或其它内容。读者会明白,根据所针对的应用,不同服务级别的区别特征会有所不同。一般情况下,服务级别越高,提供给观众的内容越丰富。
对观众而言,服务级别可能会以不同的价格来提供。更具体地说,服务的基本级别有可能是最不昂贵的,而随着内容选项的增加而上升到服务的较高级别,则对观众而言,将增加费用。
希望向手持电子设备16提供认证功能,该认证功能将允许手持电子设备16向观众提供对观众已经付费的该服务级别的访问,从而防止无线RF传输对没有购买的内容或服务级别的未授权访问。
一种可行的选择是当观众购买服务时,为每个提供的服务级别创建标识符的不同列表。假定提供三个服务级别,即服务级别A、服务级别B和服务级别C。服务级别A是基本的和最便宜的。服务级别B处于中间级别并包括在服务级别A中未提供的特征。例如,更多的视频信道和数量有限的背景信息。服务级别C是最高级别,并提供最丰富的内容,即最多的信道和最多的背景信息。当观众正在购买服务时,创建三个不同的电子标识符的列表,一个表示已经购买了服务级别A的那些,一个表示已经购买了服务级别B的那些,以及一个表示已购买了服务级别C的那些。
在这个例子中,以保持不同服务级别之间的区分的方式构造无线RF传输。例如,帧的核心块承载服务级别A-基本级别-的内容。帧的第一附加块承载加到服务级别A以升级为服务级别B的附加内容。最后,帧的第二附加块承载加到服务级别B以升级为服务级别C的附加内容。在这种情况下,服务级别C包含服务级别B和服务级别A的内容,而服务级别B包含服务级别A的内容。
发送到手持电子设备16的认证信息也可以组织成各个组。第一组包含购买了A级服务的手持电子设备16的标识符的列表,一组具有已购买了B级服务的手持电子设备16的标识符列表,一组具有已经购买了C级服务的手持电子设备16的标识符列表。
当手持电子设备16拾取到无线RF传输时,如前所述,它将尝试在这些列表的任一个中找出其自己的电子标识符。如果在这些列表的任一个中都没有找到该标识符,那么手持电子设备16将不会解锁其自身,从而观众无法访问该内容。然而,如果手持电子设备16在这些列表的任何一个中找到它的标识符,它将解锁其自身。如果在针对服务A的列表中找到该标识符,那么观众将只能观看在帧的核心块中承载的内容,其中该核心块是与服务级别A相关联的。将不允许对与其它服务级别相关联的帧的访问。手持电子设备16执行控制来确定无线传输的哪一部分可以提供给观众。由于帧的不同块彼此之间区别明显,并与各自的标识符组相关,对手持电子设备16的标识符所属的组的确定允许对保持该内容的帧的相关块的访问的控制。如果标识符位于与帧的核心块相关联的组内,只有那些将被处理并生效,观众将只能对A级的服务进行访问。如果手持电子设备16的标识符位于与帧的第一附加块相关联的组中,则仅处理核心块和该附加块,有效地限制对B级内容的访问。最后,如果手持电子设备16的标识符位于与帧的第二附加块有关联的组中,则给予对全部内容的完全访问。
上述的认证特征的例子实现起来相对简单。然而,需要在无线RF传输中承载被允许接收内容的手持电子设备16的电子标识符的全部列表。如果大量的手持电子设备是由无线RF传输所服务的,那么需要发送的电子标签的数量可能变得太大而不能实用。
图25至27示出了在无线RF传输的认证信息中不必包括完整的允许以无线RF传输的方式访问内容的手持电子设备16的列表的一个变型。图25显示了一种示出存储区域(除了任何其它存储区外,其包括存储器102,易失性或非易失性的)的手持电子设备16的高层级框图。该存储区域的非易失部分保存前述的电子标识符。在该图中,该电子标识符由附图标记1002表示。
在手持电子设备16的包装上也为其提供了机器可读的条形码1000,如利用条形码阅读器(未显示)。条形码是电子标识符1002的表示。注意,带有条形码的标签也可能含有另一种表示形式的电子标识符1002,例如,用适合人阅读的字母数字字符。
也可以在手持电子设备16的包装上使用不同于电子标识符1002的条形码1000。换言之,电子标识符1002和条形码1000是不同的代码。后面将说明的认证处理的一些实施例需要经条形码1000访问电子标识符1002。在电子标识符1002和条形码1000是相同代码的实施例中,对条形码1000的读取将产生电子标识符。但是,当它们是不同的代码时,可以利用映射机制把一个相关到另一个上。映射机制可以是存储所有电子标识符1002和相应条形码1000的数据库。当需要获得某手持式电子设备16的电子标识符1002时,读取条形码1000,搜索数据库,得到相应的电子标识符1002。
手持电子设备16还包括认证处理器1006。设计认证处理器1006以处理认证有关的任务,例如,向外部设备输出电子标识符1002(这将在后面说明),处理由观众输入的用户代码和包含在无线RF传输中的认证信息,从而电子解锁手持电子设备16以使观众获得对在无线RF传输中的内容的访问。认证处理器1006可以以软件实现,但它也能通过专门的电路以硬件实现。另一种选择是把软件和硬件结合。
当观众想要购买为手持电子设备16的服务传送时,观众通过与产生用户代码的外部实体进行交互来完成交易。在直播赛事中,观众经用户界面输入先前提供的用户代码。认证处理器1006执行观众提供的用户代码信息的确认并发布认证决定。认证决定以任何合适的内部信号传送,如果用户代码是正确的代码,其将用于允许观众获得对无线RF信号中的内容的访问,或当用户代码是错误代码时拒绝该访问。举例来说,可以设计传递认证决定的信号,从而当认证决定确认用户代码时处理无线RF传输中的内容,从而观众可以看到和/或听到它。在另一方面,当认证决定不确认用户代码时,则设计内部信号从而防止内容被提供给观众。由认证处理器1006发布的认证决定也可以被设计成处理多个服务级别。在这种情况下,认证决定表明如果有的话,手持电子设备16有资格获得哪种服务级别。
图26示出了外部实体的框图。更具体地说,外部实体具有用户代码生成器1008,其接收作为输入的电子标识符1002和赛事代码。用户代码生成器1008通过产生用户代码的任何合适的函数处理这些输入项。函数把电子标识符和赛事代码作为参数,并对它们进行数学处理。用户代码是数学处理的结果。数学处理本身并不是本发明的关键,可以使用许多不同的数学函数而不偏离本发明的精神。数学处理的一个期望特性是它应是不可逆的。不可逆意味着用户代码的知晓并不能再现电子标识符1002,赛事代码也不能,用于基于这两个输入产生用户代码的数学函数也不能。
例如,用户代码生成器1008能在观众计划参加的现场体育赛事的售票亭实现。售票亭的服务员接收来自观众的付款,而这笔款项可能依赖于所希望的服务级别。然后,服务员在靠近手持电子设备16的地方放置阅读器(如红外线阅读器)与手持电子设备16上的红外端口(图25至27中未示出)交互。红外阅读器和手持电子设备16建立通信,认证处理器1006经红外链路发布电子标识符1002。在图25中以大箭头1007表示红外线链路。作为选择,通过利用有线连接(例如USB端口,或任何其它合适的结构)可以在手持电子设备16和阅读器之间建立通信。
除了向用户代码生成器1008提供赛事代码之外,还向用户代码生成器1008提供电子标识符。一般情况下,对每一个已经购买服务的手持电子设备16使用相同的赛事代码。赛事代码是指定已经购买服务的赛事的代码,而电子标识符是区别一个手持电子设备16与另一个的代码。在一个具体实施例中,典型地,赛事代码由于赛事的不同而不同。例如,在机动车比赛应用中,在某年的赛季期间,不同的赛事代码将归属于不同的比赛。
用户代码生成器1008将根据所希望的数学不可逆函数处理两个输入项,并输出用户代码。在该特定例子中,该数学处理是对该两个输入项的一系列的数学运算,产生小于(更少数字)赛事代码和电子标识符1002的用户代码。以任何方便的方式把用户代码发给观众。它可被打印在比如门票上并转交给观众。一般情况下,对每个手持电子设备16而言,这个代码是唯一的。
注意到,不建立与手持电子设备16的电子通信,也可以实现为不同手持电子设备16产生用户代码的用户代码生成器1008。通过条形码阅读器读取在每个手持电子设备16包装上的条形码1000来实现这个。如果条形码1000与电子标识符1002相同,则由用户代码生成器1008执行的处理可以如前所述来实现。否则,如果条形码1000与电子标识符1002不同,搜索把条形码1000映射到一组手持电子设备16的电子标识符1002的数据库(未示出),从而提取对应于所读取的条形码1000的电子标识符1002。
当观众进入体育场时,观众打开手持电子设备16,认证处理器1006要求他提供用户代码。例如,该要求可以是在手持电子设备16的显示器802上显示的输入用户代码的提示(假设该系统需要手动输入用户代码)。观众经手持电子设备16的用户界面输入印制在门票上的用户代码。已经提供了电子标识符1002和在无线RF传输中传送的赛事代码的认证处理器1006根据与用户代码生成器1008所利用的相同数学函数处理电子标识符1002和赛事代码。如果该处理的输出发布了与观众所输入的用户代码相匹配的代码,那么认证处理器1008发布允许对无线RF传输中的内容进行访问的认证决定。否则,拒绝对该内容进行访问。
一种可行的方案是,在电子标识符1002被传送给用户代码生成器1008后,立即电子地把该用户代码传送给手持电子设备16。一旦用户代码发生器1008计算出用户代码,则将该代码经通信链路1007传送到认证处理器1006。这种选择省去了观众手工输入用户代码以便确认的需要。电子交易1007自动解锁手持电子设备以在现场体育比赛中使用,而无须观众输入任何用户代码。
在一个可能的变型中,经由可以在现场赛事开始之前的任何时间创建的在线购买设置向观众提供用户代码。这样的安排的原理将在后面说明。简单来说,观众经个人计算机或其它任何通信设备访问因特网,并连接到提供传送服务的在线购买的网站。主管该网站的服务器实现用户代码生成器,并计算出用户代码。所产生的用户代码被传送给用户,例如在个人计算机的屏幕上显示它,通过至指定电子邮件地址的电子邮件,或经任何其它合适的方式发送给用户。用户将存储用户代码,并在现场赛事期间在手持式电子设备16中输入它。
可以考虑的另一种可能的选择是,在无线RF传输中传送赛事代码(如前面的实施例),以及已经购买服务的手持电子设备16的所有用户代码。这种选择需要为购买服务(例如在服务的购物点)的每个手持电子设备16计算用户代码,并存储所有用户代码,以计算形成数据库。在现场直播体育赛事期间,与赛事代码一起周期性的广播数据库的内容。在现场体育赛事中的每个手持电子设备16接收无线RF传输并提取赛事代码。然后,认证处理器1006利用该赛事代码计算用户代码。然后,该用户代码与无线RF传输中包含的一组用户代码核对。如果发现匹配,则认证处理器1006发布允许手持式电子设备16访问在无线RF传输中的视频/音频内容的认证决定。如果没有发现匹配,那么手持电子设备16仍保持锁定。
上文所述的使用用户代码作为认证目的的各种实施例也可适用于多服务级别的安排。在多服务级别的系统中,基于所购买的特定服务级别,向观众提供不同的用户代码。无线RF传输具有被构成以区分各个服务级别的内容,以及每个服务级别与不同的认证信息相关。认证信息是包括服务级别之间彼此不同的多个服务级别代码的复合的赛事代码。因此,在这个例子中,认证信息将包含与不同服务级别一样多的服务级别代码。在使用中,认证处理器1008将试图匹配观众所提供的用户代码与复合的赛事代码。具体来说,当在用户代码与任何一个服务级别代码之间建立匹配时,认证处理器1008将发布解锁手持电子设备16的认证决定,但认证决定将控制对内容的访问,如先前的讨论,这样观众仅能够获得对所购买的服务级别的访问。
注意到,在现场直播赛事期间,控制向观众传送服务的机构或组织产生该赛事代码(唯一代码或是多级别方式中的复合代码)。可以为每个新赛事随机地产生这些代码。
2、视频流接收和相关功能。
假设前面所说明的认证处理已成功通过了,加载图形及导航层,并且在显示屏802上显示允许观众访问不同功能的用户界面。典型地,用户界面呈现显示选择列表的菜单。观众通过操作键盘上的键来引导菜单。这些键可以是箭头键或任何其它合适的键。当已经做出选择时,通过按下任何合适的键(例如“输入”键)激活该选择或选项。
根据所需的应用,向观众提供的菜单选项可以有很大差异。下面提供的描述将说明几个可能的例子。
●观看视频信道--观众将访问该选择,并启动它。设计菜单层次以展示观众可以在屏幕上观看的可能视频信道的列表。观众通过按下适当的选择键选择他或她希望的那个信道,并通过按下″输入″键确认该选择。在这一点上,手持电子设备软件将命令视频解码器114开始解码适当的信道。把解码的视频信息传送到屏幕上,并向观众显示。同时,通过扬声器/耳机124播放音频输出。
在任何时候,观众可调用图形界面来停止视频观看或切换到不同的视频信道。
也可以考虑的一种选择是,观看屏幕上的视频信道的缩略图,从而允许观众选择他或她觉得最有趣的。具体来说,观众在图形用户界面上调用缩略图选项,结果他/她在屏幕上看到多个缩略图,每一个与给定的视频信道相关。根据所需的应用,缩略图的数量可以改变。在一个可能的例子中,给出了四个缩略图,每一个与一个视频信道相关,因此每个缩略图占据四分之一的屏幕空间。10个视频信道将需要两个半的缩略图顺以供观众观看。通过按下键盘108上合适的键,观众可以从一个缩略图顺切换至另一个。当观众想从某一缩略图中观看该视频信道时,他/她选择那个缩略图以扩大该图像并使它占据整个屏幕。
缩略图功能需要视频解码器114同时处理多个视频信道。进行了上述处理,因此充分地降低了分辨率,从而把每个图像缩减到适合于缩略图空间的部分。当在屏幕上显示4个缩略图时,每个视频输入31的分辨率减少到四分之一。
当观看缩略图顺时,在处理与相应的视频输入信号相关的音频流时存在不同的选项。首先,音频流可能被一起中断,因为每一顺与多个音频流相关。当且仅当观众已经选择在整个屏幕上观看一视频信道时,激活音频流。在可能的变型中,当观众通过按下键盘108上的选择键在它们中浏览时,向他/她提供高亮的缩略图的选项。当高亮显示缩略图时,解码与特定视频流相关的音频流,并传送到音频输出。一旦缩略图被高亮显示,它可以被选择,然后通过按下任何适当的键(如″输入″键)而扩大到整个屏幕。
除了单纯手工方法来选择视频信道进行观看之外,可以设计该系统来基于某些特定参数执行一些自动视频信道切换。这将在后面更详细的说明。
●数据叠加--观众可以选择观看在电子设备16的屏幕上叠加的数据内容。在第一个例子中,在一个非限制性示例中,实时数据内容包括与现场体育赛事有关的信息,例如,得分和参赛选手的排名信息,等等。在赛车比赛的具体示例中,实时信息可以包括目前排名、剩余圈数、仍然在比赛中的参赛选手、不再在比赛中的参赛选手、当前领先选手或任何参赛选手的最快圈、当前领先选手或任何参赛选手的平均速度,等等。在另一个例子中,实时数据内容也可以传送与任何参赛选手有关的生理信息。还是在赛车的环境中,生理信息可以包括车手的心率或他的体温,等等。实时数据内容通常从支持该现场体育赛事的机构提供。在传送生理信息的情况下,需要向一个或多个参赛选手提供测量心率、体温等必要的传感器,并向头端12传送所收集到的信息,这样它可以被包括在无线RF传输中。不必详细说明如何收集生理信息并传送到前端12,因为这是本领域技术人员所熟知的。
当数据不是特定的视频信道时,它可以被组织作为一种在屏幕上任何适当位置显示并不断循环时间和实时被更新的得分信息的“自动循环标记(ticker)”类型的条带(band)。在这个例子中,在每个视频信道上看到相同的信息。
在第二个例子中,为每个视频信道提供相关的数据内容。视频信道特定数据内容可包括与车队或正被观看的赛车相关的姓名和其它识别信息、当前排名、最佳单圈时间,等等。当显示的信息量相对少时,相比于“自动循环标记”的方式,它可以显示为静态叠加的形式。仅在需要更新时,才改变静态叠加形式的数据。
为了提供尽可能多的灵活性,在屏幕上呈现多种选项,从而允许观众看到额外感兴趣的信息。具体来说,屏幕显示通过按下键盘108上的选择键进行选择的区域建议标签。每个标签提供对将会出现在数据叠加处的较低层附加信息的访问。这些附加信息可能包括有关车手职业生涯的信息,关于车手车辆的信息,关于车手所属车队或随身用具的宣传信息,等等。
对于视频信道特定数据内容,组织该数据内容是有用的,其中该数据内容以创建与相应视频输入信号31的逻辑关联的方式正在被广播。例如,包含在正在广播的数据分组中的数据可以被分组成多个块,每块与某一给定视频信道相关。可以提供与所有视频信道或视频信道的子集所共享的数据对应的附加块。
当创建了这种关联时,只要一选择该视频信道来观看,就在叠加处自动显示视频信道特定数据内容。
图6中的流程图概括了视频观看的过程。观众访问主菜单19,他/她从该主菜单导航到视频信道选择命令21。这些命令可分组成缩略图顺命令23或直接选择命令25。缩略图顺命令允许观众以缩略图的大小观看实时视频信道,并选择一个以全屏幕观看。直接选择命令允许观众直接指定用于全屏幕观看的视频信道。在下一步中,选择要叠加的数据。数据和视频信息被叠加,并显示在屏幕上。
●视频重放功能--由于视频信道内容正在被不断地缓冲,观众能够通过选择当前存储缓冲器27中哪部分视频将在屏幕上被显示来实现视频重放功能。重放深度级,换句话说,观众可重放视频内容到哪个程度,依赖于存储缓冲器27的大小。正如前面所建议的,可以选择该大小以容纳5分钟的重放深度。当然,这是一个可能的例子,这不应该以限制的方式来解释。
观众可以在用户界面上调用重放功能。例如,观众利用合适的选择键访问主菜单项,然后按下“输入”键进行确认。当重放功能有效时,将提供下面的功能:
○倒带(rewind)-倒带功能把指针置于存储缓冲器27中前面的位置。可以设置或选择观众进行倒带的速度。在倒带期间,存在两种选择。一种是显示空屏,并当释放倒带键时恢复视频播放。视频播放将从存储缓冲器27中的指针被推回的位置开始。另一种选项是当“重放”有效时,观看以反向方式播放的视频内容,从而允许观众更容易地找到感兴趣的视频内容的图像或部分。当倒退存储缓冲器27时,重放视频内容的速度在观众的控制下可以是固定或可变的。
○快进-与倒带功能相反。仅当存储缓冲器27中的指针已被退回到某种程度时,才能被调用。
○书签-通过从菜单选项选择先前创建的“书签”,观众可以跳到视频内容中如前所述的某处。每个“书签”指向存储缓冲器中的视频输入信号的特定部分。这样,当观众选择“书签”时,视频播放将从与该书签相关联的指针的位置开始。“书签”功能使得观众能够迅速来回地跳到视频播放中感兴趣的部分。书签功能还可以让观众迅速地从一个书签跳到另一个书签。以这种方式,观众可以很容易从视频存储器27中保持的视频内容中的一个激烈的赛事跳到另一个,而不必快进或倒带视频内容。
○静态图像--观众通过把指针保持在存储缓冲器27的固定位置,能够实现暂停图像。以这种方式,观众看到同一图像帧。
○逐帧移动--观众能够看到以低于正常帧速率的速率慢慢地逐帧移动(“移动”意味着向前移动或向后移动)的图像。按下键盘上合适的键可以使图像从一帧跳到下一帧。作为选择,图像能够被自动地逐帧地移动,但是速率慢于正常速率,从而使得观众看到单独的每一帧。
○缩放--观众可以放大或缩小显示在屏幕上的帧。典型地,当静态图像功能有效时,使用该功能。通过按下键盘108上一个合适的键,可以调用放大功能,而相反地,通过按下不同的键,可以调用缩小功能。
○视频记录--观众可以把存储缓冲器27中的一些或全部视频流内容传送到存储介质读/写器106中的可移动存储介质上。再次,操作键盘108上适当的按键启动这个功能。存在几个选项:
■开始记录在屏幕上实时播放的视频内容。当观众看到感兴趣而且他/她想记录的镜头时,这个功能是有用的。传送到视频存储缓冲器27的视频内容以压缩的形式也被拷贝到可移动存储介质106上。以这种方式,可以在电子设备16上或在能够读取存储在可移动存储介质106上的视频信息的任何其它合适的电子设备上重放该视频内容。能够记录在可移动存储介质106上的视频信息的数量依赖于该储存介质的大小。
■把存储缓冲器27上的全部内容传输到可移动存储介质106上。如果可移动存储介质106的大小能够容纳存储缓冲器27中的信息,这个选项是可能。
■仅把存储缓冲器27上所选择的部分传输到可移动存储介质106。通过首先执行“倒带”、“快进”或“逐帧移动”直至已经到达存储缓冲器27中感兴趣的位置,然后执行将把压缩的图像流传输到可移动存储介质的“播放”和“记录功能”来激活该功能。当视频内容中所希望的部分已记录在可移动存储介质106上时,观众可以停止该记录过程。
■由观众所键入的任何书签也可被传输到可移动存储介质106上。通过把书签所指的视频信息的地址拷贝到可移动存储介质106上来实现这个功能。以这种方式,如果观众在观看现场直播体育赛事期间已放置了书签,那么当把视频内容传输到可移动存储介质106时,这些都不会丢失。
3、音频流接收以及相关功能
下面的例子集中在独立音频流的传送上,因为在前面部分已经说明了与相应视频流相关的音频流的处理。
如前所述,独立音频流传输赛车队的成员之间的无线电对话(典型地,音频流与每个赛车队相关联)、关于比赛的评论或广告信息,等等。在电子设备16上,观众可以手动地选择流中任意一个,并把它们传送到驱动声音再现设备(例如扬声器或耳机)的输出124上。存在另一种可能,其允许观众定义优先级总则(priority profile),从而根据优先级顺序播放该音频流。
通过在电子设备16中存储优先级总则数据来定义优先级顺序。更具体地说,优先级总则数据被存储在存储器102或允许处理器100容易访问它的任何其它合适的存储器中。为方便起见,优先级总则数据可以被存储在存储器102的非易失性部分,从而即使电子设备16断电后该信息仍将被保留,从而避免了每次电子设备16加电时再次重新输入该信息。
优先级总则定义了音频流将被播放的优先级顺序。下面是优先级总则的一个示例:
优先级1(最高) -队C的无线电对话
优先级2 -队A的无线电对话
优先级3 -队K的无线电对话
优先级4 -对比赛的音频评论
优先级5 -广告内容
运行电子设备16的软件包括提供音频流选择器功能的模块。作为手持电子设备16的用户界面的一部分的音频流选择器,基于优先级总则确定播放被包含在无线RF传输中的哪一个音频流。在执行优先级总则之前,该音频流选择器将区别在无线RF传输中的有效音频流与无效音频流。有效音频流是传输观众能够理解的某类信息的音频流。相反,无效音频流是指不传输那些信息的流。一种典型的有效音频流是传输对话的音频流,而无效音频流仅传输无声或低强度噪声。一种区分有效音频流和无效音频流的方法是分析传输音频信息的数据,并确定信号电平是多少。高信号电平可能表示有效音频流,而低信号电平可能表示无效音频流。本领域的读者知道,在本领域中有多种信号分析技术供使用,以区分有效音频流与无效音频流,在此无需进一步说明。
在另一个实施例中,位于头端12的音频处理器42编码每个音频信号,并加上关于那个信号是有效或无效的说明。前面已经说明了这种特性,在此不再讨论。因此,在电子设备处的音频信号选择器可基于信号的编码确定其是有效或无效的。这将避免在手持电子设备16必须使用任何分析技术以确定无效和有效的音频流。
例如,假设电子设备16接收10个音频流,其中流1-8与相应的赛队相关,音频流9传输音频评论,音频流10传输广告信息。在执行了对音频流的有效性分析后,音频流选择器把音频流分类如下:
有效:
音频流1(队A)
音频流5(队K)
音频流7(队B)
音频流9(音频评论)
音频流10(广告内容)
无效:
10个音频流中的剩余部分。
然后,音频流选择器将在有效列表中查找优先级总则中最高优先级别的音频流。该位置对应于不在有效列表中的队C。接着,音频流选择器在有效列表中查找优先级总则中具有第二优先级的记录。其对应于与音频流1相关的队A。因为这个音频流是有效的,音频流选择器通过把它传送到连接至扬声器或耳机的输出口而向观众播放它。
周期性(例如每15或30秒)地执行对音频流的扫描从而识别有效音频流和无效音频流,并且如果有比当前播放的音频流优先级更高的任何音频流,就把它传送到输出。以这种方式,总向观众呈现他/她最相关或最感兴趣的音频流信息。
可选地,可设计电子设备16的观众界面以允许观众停止对音频流的周期性扫描,并连续播放当前选择的音频流。
为了在某种程度上简化电子设备16的结构,可以设计头端12从而执行音频流的有效性分析,并为此目的插入到有效载荷信息中。如前所述,以分组形式广播音频流,其中基于为所需应用所选择的特定分组结构,每个分组可以包含针对单一音频流的音频信息或针对音频流集合的音频信息。对于对应于给定音频流的某播放时间的给定音频数据块,头端执行有效性分析,并基于标志的值,把那个块与表示该音频信息被认为是有效或无效的该标志关联起来。以这种方式,每个电子设备16总是知道哪些音频流是当前有效的,从而音频流选择器能够执行音频流切换,而不必执行任何音频流有效性分析。
由于优先级总则定义了观众的偏好,设计电子设备16的用户界面从而允许观众配置优先级总则,以及当已经制定了初始配置时,修改该总则。本领域的读者知道,可以设计多种可能的配置。一种简单的方式是,向观众呈现一个列表,观众逐个地(按递减优先级顺序)输入赛队或音频流能够传输的其它类型的内容到该列表中。然后,例如以文件的形式把这些数据保存到存储器102中。然后,如前所述方式执行音频流处理。显然,在某些时候需要执行映射操作,以把赛队名称或标识符(如果偏好总则中的数据是以这种方式输入而不是直接指定音频流)与那个赛队对应的音频流关联起来。例如,可以经无线RF传输发送映射信息以实现该操作。
另一种可能的改进是,向观众发送与任何一个音频流有关的优先级标志,该优先级标志表示观众可能有很大兴趣的内容,例如,在发生事故时急救人员之间的对话。此时,设计音频流选择器以播放那个音频流,而不考虑任何优先级总则设置。如果希望的话,可以设计电子设备16的用户界面以使强迫电子设备16播放具有高的兴趣标志的音频流的功能无效。
但是也可以考虑的另一种可能是,向参赛选手在比赛中的位置而不是特定人员或参赛选手分配优先级。例如,把优先级号码1分配给比赛中的领先者,无须考虑当时占据该位置的特定参赛选手。优先级方案的更详细的例子包括以下内容:
优先级#1-比赛领先者;
优先级#2-第二位置;
优先级#3-在修理处的任何车辆
根据这个优先级方案,选择当前播放的音频。如果不存在有效的与比赛领先者有关的音频流,那么音频选择移到优先级#2的位置,等等。为了实现这个功能,头端12用把音频流与车队的相应参赛选手的排名相关联的数据标记单个音频流。以这种方式,电子设备16能够充分地识别车队中参赛选手的各个位置。一个例子是在无线RF传输信息的二进制传输的合适字段中插入以允许识别比赛位置。通过按照上述优先级方案,由表示比赛中的当前位置的数据来描述每个音频流。而且,提供附加的描述性数据以指示与在修理站的车相关的音频流。
一种可能的变型是利用包含在无线RF传输中的实时数据来映射不同的队与相应的比赛位置。
假设向无线RF传输中的单个音频流提供了合适的队或参赛选手标识符,可以利用通知该队或参赛选手的位置的实时数据来建立音频流与比赛位置之间的相关性。
尽管实现上述的音频管理功能涉及提供视频接收能力的电子设备16,也可以以仅简单音频电子设备实现类似的音频管理功能。在前面说明的基础设施中,其使用头端12来建立传输音频/视频/数据有效载荷的信号结构,可以设计这样的电子设备以不考虑任何视频信息,仅处理音频和数据信息。在不使用头端12的基础设施中,可以设计电子设备以实现前面所述的至少一些功能,而直接访问原始音频源。此时,电子设备包括一系列调谐器,每个调谐器被设置在对应于给定音频源的频率上,例如,参赛队用于通信所使用的频率。此时,电子设备所捕获的无线RF传输包括调谐器被设置的一组频率。这些频率可能需要观众使用该电子设备手工输入,例如,在比赛开始之前。此时,音频流选择器分析不同调谐器的输出,以确定它们是否有效,并运用由优先级总则所定义的优先级策略来确定应当播放哪个音频流。
由于不断地缓冲音频流,观众能够实现音频重放功能。重放深度级,换句话说,观众可以倒回音频内容的程度,由存储缓冲器29的大小所决定。可以选择其大小以容纳5分钟的重放深度。当然,这是一种可能的示例,不应该以限制的方式来解释。
观众可以在用户界面上调用重放功能。例如,观众利用合适的选择键访问菜单项,然后按“输入”键进行确认。当重放功能有效时,提供下面的功能:
○倒带-倒带功能把指针置于音频存储缓冲器29中前面的位置。可以设置或选择观众进行倒带的速度。音频播放将从存储缓冲器29中指针被推回的位置开始。当倒退存储缓冲器29时,重放音频内容的速度在观众的控制下可以是固定或可变的。
○快进-与倒带功能相反。仅当在存储缓冲器29中的指针已被退回到某种程度时,才能被调用。
4、播放辅助内容和相关功能
除了向观众传送主要的视频信道内容外,也设计电子设备16来传送辅助内容。辅助内容的例子包括广告内容、比赛地点或与赛事相关的背景内容、在线购物选项以及新闻,等等。两者可以是视频内容、音频内容或视频和音频内容组合的形式。
■广告内容-可以以多种方式向观众传送广告内容。下面将讨论一些例子:
○可以以与他/她选择主视频信道相同的方式,向观众所接收的广播提供由观众所选择的广告视频信道。为清楚起见,主视频信道意味传送与现场体育赛事相关的实时视频信息的视频信道。当然,可以有多于一个的广告视频信道。可以按照语言来组织这些信道,例如,一个广告视频信道是英语,一个是西班牙语,以及一个是法语。作为选择,可以按照产品类型或所宣传的服务来组织这些信道。
○把广告内容嵌入到经主视频信道传送的视频内容中。可以在内容制作控制台的编辑阶段插入广告内容,(如图1的框图所示)。以这种方式,每个观众接收相同的广告。广告可以采取广告剪辑的形式,如短片、在图像或屏幕上运行的“自动循环标记”形式的区域上叠加的条形标语或图形元素。应当知道,在不背离本发明精神的情况下,也存在其它在主视频信道上呈现广告视频内容的方式。
○也可以在经主视频信道传送的视频内容中插入广告内容,其中插入发生在电子设备16中,而不是在内容制作控制台。具体而言,经专用信道广播广告视频内容,并向电子设备16发送指令,其控制来自广告信道的广告内容何时被插入到主视频信道中。这些指令将确定广告内容何时开始经主视频信道进行播放以及播放持续的时间。管理电子设备16的操作的软件解释这些指令,以控制何时开始插入广告内容以及何时停止。
■地点或与赛事相关的背景信息-与地点相关的背景信息是指与举行赛事的地点相关的信息。在赛车比赛的情况下,与地点相关的背景信息可以包括:
○比赛地点的地图;
○赛道的地图
○主要地点的信息,例如洗手间,贩卖机的摊位,医疗设施和紧急出口,等等;
○比赛地点的历史;
○赛道的历史(如果与比赛地点不同的话);
○在该比赛地点未来将举行的赛事的时间表;
○观众可以在该比赛地点所获得的服务或产品的花费一览表。
在非限制性的实施例中,电子设备16可以具有GPS接收能力。在这样的实施例中,电子设备16装有GPS接收器(图中未显示),这样,电子设备16可以获得与该位置相关联的GPS坐标形式的位置信息。这假设GPS接收器具有天空的无障碍视野以接收卫星信号。更具体地说,这些GPS坐标可以在电子设备的显示屏802上向观众显示,以与比赛地点的地图相关的方式,具体地向观众显示其相对于地图的位置。这样,观众将知道相对于该比赛地点的平面图,他/她所处的位置。
这些GPS坐标可以使得观众相对于该现场体育赛事的特定设施定位他/她自己。例如,发射器14可以通过无线RF传输向电子设备16发送制图数据。例如,制图数据提供比赛地点的地图,并显示关于一些主要设施(例如洗手间,食物贩卖商,医疗/应急设施,出口等)的位置。然后,电子设备16在其存储器102中存储这个数据库,从而,处理器100可以很容易的访问它。因此,当产生了GPS坐标时,根据缩放级别,在显示屏802上显示地图的部分或该地图的全部,并标记观众的位置。然后,这些设施的位置也可以与观众的GPS坐标一起显示在比赛地点的地图上。以这种方式,观众将可以相对于这些设施定位他/她自己的位置。
可以用符号或文本的形式在比赛地点的地图上显示这些设施。优选地,这些符号或文本将指示在地图上位于那个区域的服务/设施。例如,医疗/应急设施将用红十字在地图上标出,洗手间将用W/C符号标出,或者传统的男人和女人符号,饮食设施可以用刀与叉的符号标出等等。此外,电子设备16的位置也可在地图上用图标示出,例如用星号,这样,观众知道他/她与地图上标出的其它设施之间的关系。在另一个实施例中,电子设备16的位置可以用闪动的点标出。
为了避免地图被所提供的每个不同设施的符号填满,观众可以通过从菜单指定特定类型的设施而选择哪个设施在地图上显示。例如,如果观众需要寻找洗手间,他们可以访问比赛地点的地图,并使与洗手间相关的图标显示在地图上,同时也显示与观众的位置相关的图标。以这种方式,观众将获得最近洗手间所处位置的明确指示。
还有一种可能,电子设备16可以安装使得电子设备16向观众提供怎样到达某个地点的方向的软件。例如,基于电子设备16的GPS坐标以及存储在GPS坐标数据库中所选择位置的GPS坐标,处理器100可以使用方向软件来确定从观众当前所处的位置到达所希望的位置的最佳路线。然后,在电子设备16的显示器上向观众显示这些方向。观众请求方向的方式可以有多种方法而不背离本发明的精神。在一个例子中,观众仅仅访问用户界面上的方向菜单,并从例如“到洗手间的方向”、“到最近出口的方向”、“到热狗摊位的方向”等的选项列表中选择。可选地,观众可以通过键盘上的上/下键高亮显示在屏幕上显示的特定设施图标,然后按下“输入”键从而选择那个图标。然后,该方向软件将提供到与所选择的图标相关联的设施的方向。向用户所提供的方向可以是列出所要走的路径的文本形式,或者是在比赛地点的地图上示出要走的路径的箭头的形式。
电子设备16也可以使观众在其存储器102中存储用户定义的GPS坐标。当观众希望记下在比赛地点上的特定位置时,这将非常有利。例如,当观众把他/她的车停在体育管的停车场时,当离开车时,观众可以选择把与该车所在的位置有关的GPS坐标存储到电子设备16的存储器102中。可以通过调用在用户界面上的GPS功能来实现这个,然后用合适选择键从菜单项中选择“存储坐标”选项。然后,通过按下“输入”键来确认并存储该坐标。然后这些坐标可以与在地图上显示的任何合适的图标相关联,从而允许观众快速、方便地找到汽车的位置。这样,观众在电子设备16的用户界面中输入命令以调用所存储的位置信息,在显示器上与比赛地点的地图相关地显示该位置。这个功能的优先是在现场体育赛事结束时,当观众想找到他/她的汽车时,如上所述,他们能够利用该方向功能获得从他们当前的位置回到与他们的汽车相关的GPS坐标处。
与赛事相关的背景信息是与在比赛地点举行的赛事相关的信息。在赛车比赛的例子中,下面被认为是与赛事相关的背景信息:
○赛车队的列表;
○各个车手的简介;
○在锦标赛上的当前排名;
○关于一个或多个参加赛车比赛的汽车的设置的信息;
○关于控制赛车比赛的规则的信息。
与比赛地点或赛事相关的背景信息可以经专用信道传送到观众,从而观众可以在他/她空闲时选择观看。按照如前所述的方式进行信道选择。可选地,与比赛地点或赛事相关的背景信息可以嵌入到主视频信道的视频内容中。
经无线RF传输向观众提供的辅助内容也可以包括:
■新闻-涉及新闻服务的不同类型,如″突发新闻″,气象信息和经济信息,等等。与比赛地点或事件相关信息一样,可以向观众传送新闻信息。
■锁事/调查/游戏-向观众提供小问题或调查或游戏,以在比赛的中断时间期间使观众有事可做。
■气象/环境信息-这些信息将向观众提供当前的天气信息和对未来天气状况的预测。在户外比赛中观众希望提前通知是否会开始下雨或下雪时,这将非常有用。环境信息可以向观众提供与现场体育赛事相关的环境状况。例如,在高尔夫比赛中,环境信息可以包括风速和风向,绿地的斜度,或可能会影响比赛的任何其它状况。
■购物信息-向观众提供允许观众购买与现场体育赛事相关的产品或服务(如T恤,帽子等)的信息。
电子设备16可以包括观众偏好简档(profile),这样,根据观众所列出的规则,电子设备16向观众提供辅助数据。辅助数据偏好简档可以被存储在存储器102或存储介质读/写器106中,这样,处理器100可以访问它。偏好简档将向处理器100建议观众最感兴趣的辅助数据是什么、以及观众希望如何被提供辅助数据。下面是列出特定观众的辅助数据偏好简档的一些规则的例子:
1、总是在屏幕的底部以自动循环标记的格式向观众提供新闻信息;
2、每当得分或排名改变时,把示出当前排名的屏幕显示10秒。
3、在活动或比赛的空闲时间中(如足球比赛的半场休息),向观众显示任何小游戏或观众调查。
运行电子设备16的软件包括提供辅助数据选择器功能的模块。辅助数据选择器根据偏好简档决定向观众呈现哪种类型的辅助数据。例如,根据偏好简档信息,电子设备16按照偏好简档中列出的方式呈现辅助数据。
以这种方式,向观众呈现了他/她最相关或最感兴趣的辅助数据。设计电子设备16的用户界面,以经供给观众的菜单选项,允许观众在任何时间停止辅助数据的呈现。
5、基于简档的内容管理
设计电子设备16以实现基于简档的内容管理。电子设备16的存储器102包括定义简档的数据。基于该数据,电子设备16可以过滤向观众显示的视频、音频或数据。在一种形式的实施例中,发射器14发出的无线RF传输传送一般观众内容,该内容对于一组电子设备16而言或者对于接收该无线RF传输的所有电子设备16而言者是相同的。在一个或多个电子设备16中的观众简档过滤该一般内容,从而创建观众特定的内容。观众特定的内容以多种可能的方式区别于观众一般内容。例如,设置观众简档以防止对一般观众内容中某些内容的访问。在另一个例子中,观众简档改变一般观众内容中的内容向观众的呈现的方式。下面将更详细地讨论几种可能。
在一个具体的例子中,该简档在多种可能观众类别中定义了一个观众类别。例如,该简档可以允许基于性别的分类,例如男士和女士。在另一种可能中,设计该简档以创建基于年龄的分类。还有一种可能是创建基于收入的分类,其中根据个人收入的数量将观众分类。另一种可能的选项是基于个人偏好而定义简档,例如:
■我喜爱的赛车队;
■喜爱的食物类型;
■观众感兴趣的汽车类型。
经图形和导航层把简档数据加载到存储器102中。向观众呈现邀请观众回答将定义简档的一些问题的信息屏。定义简档所需的问题的数量可以是最低限度的,例如要求观众指定“男性”或“女性”,或者当产生较复杂的简档结构时,可以是更多数量。
可以设计简档使其仅被定义一次,或者它可以随着时间被更新。简单的简档结构(例如基于性别的简档)只需要定义一次,并且只要同一个观众持有该电子设备16,就不需要改变。较复杂的简档结构将需要较经常的改变。基于观众选择的简档将可能随着时间而改变以反映观众变化的偏好。对于复杂的观众简档,例如那些在特定的汽车赛事中发生的事件或状况,在每个特定事件中将需要观众更新该简档。
基于这些观众简档,使传输给观众的广告适应观众的特定简档或兴趣。同样,使在购物目录中最突出显示的商品的类型也可以适应观众的特定简档。
基于观众简档的内容管理意味着根据简档中的数据对内容进行不同的处理。读者可以明白,可以存在多种选项。下面具体的例子说明了这个概念:
■电子设备16中的简档是基于年龄组而定义的。存在三个年龄组:(1)小于等于25岁,(2)从26岁到60岁以及(3)大于等于61岁。根据基于年龄的分类,构造广告内容。具体地,广告内容包括三个流,每个适合一个特定的年龄组。当播放广告时,观众仅观看对应于存储在存储器102中的简档数据的流。此外,也可以根据基于年龄的分类,构造在购物目录中最突出显示的产品。例如,对于第一年龄类,最突出地展示T恤和帽子,而对于第二年龄组,可以最突出地展示较昂贵的物品-例如签名收藏家的物品。
■电子设备16中的简档是基于观众愿意接收的比赛地点或赛事的背景信息的数量而定义的。比如说,简档允许两个信息级别:低级别和高级别。发送到电子设备16的比赛地点或赛事的背景信息被构造为独立流,一个比另一个包含更多的信息,这样,呈现给观众的流是满足存储在存储器102中的简档数据的那个。
■电子设备16中的简档是基于观众最感兴趣的赛车队。例如,简档允许观众以喜爱的顺序指定感兴趣的三个队,例如队A、队B和队C。向电子设备16播放的视频输入信号包括来自所有赛车上的摄像机的视图。基于喜爱的队的简档数据将允许观众定义喜爱的顺序,其中当观众切换“信道”时,视频输入信号将在电子设备16的屏幕上以该顺序出现。例如,默认的视图将是来自队A的车载摄像机的视频输入信号。当观众切换到另一个视频输入信号时,在电子设备16的屏幕上出现的视频输入信号是来自队B的视频输入信号。下一个视图将是来自队C的视频输入信号。
■服务级别简档。该简档将允许观众仅访问观众已经付费的服务。例如,观众可能已经选择在现场体育赛事期间访问金融新闻服务,并已为该服务付费。在电子设备16的存储器102中的观众简档数据反映了这个选择,并使电子设备16传送金融新闻服务以供在屏幕上观看。当使用服务级别简档时,优选地是,以观众不能自由改变简档的服务级别部分的方式,来设计存储在电子设备16的存储器102中的观众简档结构。例如,通过与用于解锁该电子设备16的认证信息一起发送指示哪一个服务级别与特定电子设备16相关的数据,可以远程地修改简档的服务级别部分。具体地,通过广播标识符块并与每个标识符一起发送识别与该标识符相关的电子设备16的服务级别的代码而实现这个。当电子设备16通过把广播的标识符与其自身的标识符匹配而解锁其自己时,它读取服务级别识别代码,并把其作为观众简档数据存储到存储器102中。此时,观众简档数据将指示观众可以访问哪个服务以及哪个服务不能访问。
被存储在存储器102中的简档中的数据管理被传送到电子设备16的内容的方式可以变化,以及可以有多种实现方式。简档数据是一种数据结构,以及这种数据结构与被传送到电子设备16的内容的结构相关联,从而实现内容管理。在这种实施例中,把该内容构造为独立组件的集合,可以按照简档中的数据处理这些独立组件。在第一例子中,简档是基于年龄分组,广告内容作为三个分离的流而传送,并根据在简档中存储的数据,仅显示相应的流。在第二个例子中,赛事或比赛地点背景信息以两个分离的流而传送,一个流比另一个流包含更多信息。
图7-18是电子设备16的操作较详细的示例,显示出具体菜单的可能以及能够被传送的信息的不同类型。应当明确指出的是,以上只是举例,不应该被用来限制本发明的范围。
图12是允许观众访问电子设备16的不同类型的功能和内容的根菜单页。具体地,观众可以选择位于屏幕顶端的“现场视频”选项,该选项引导到一组现场视频信道。在该选项下面有其它选项,将详细地说明其中的一些:
■扫描器-允许访问独立音频输入信号,如车手与车队之间的无线电通信,音频评论等。
■定时和得分-这个选项页是从图12中的页选出的。定时和得分页提供在图中所示出的类型的信息,例如最佳圈、滞后时间,等等。附加信息也可以包括已经完成的圈数,还需要跑的圈数,等等。
■结果-允许访问结果页。
■赛事信息-通过选择该选项,观众访问图7所示的子菜单。该子菜单有多个选项,下面将描述其中一些:
○比赛地点-示出比赛地点的地图,如图8所示。观众具有缩放该地图中的不同部分的选项。该地图被分割为四部分,每部分都可以被高亮显示。目前,左上四分之一被高亮显示。通过选择该高亮显示部分,能够对该部分进行缩放功能,如图9所示。
○赛道-显示关于赛道的信息,如图11所示。
○时间表-显示时间表信息,如图10所示。
■赛车(champ car)信息-返回参照图12,通过选择这个选项,观众访问子菜单。该子菜单具有多个选项,下面将说明其中一部分:
○车手-通过选择这个选项,观众访问图13中示出的车手列表。通过高亮显示并选择列表中的车手,观众可以访问关于特定车手的详细页面,例如,图14的示例。
○排名-通过选择这个选项,观众访问当前的排名列表,如图15所示。
○车队-通过选择这个选项,观众访问参加这个比赛的赛队列表,如图16所示。观众具有高亮显示该列表中的某个队的选项,并访问显示关于所选择的队的附加信息的较详细页面。
■比赛技术规范-返回参照图12,通过选择这个选项,观众访问图17中所示的子菜单,提供关于该比赛的信息。
6、自动/强制视频切换
在一个实施例中,设计电子设备16以提供自动的视频信道排序,这样向观众呈现对观众而言最感兴趣的赛事。例如,观众可能希望在视觉上跟着在赛道上的某辆车。在没有任何自动控制的情况下,观众需要手动地切换视频信道从而保持所感兴趣的车总在视野内。很明显的原因,这不是最佳的。本发明中的电子设备16提供允许对视频信道自动排序以跟踪运动的物体(例如在赛道上的汽车)的机制。存在多种选项来实现该功能。下面讨论一些示例:
■基于无线RF传输中的命令切换视频信道-内容制作团队为每辆赛车确定在任何给定时刻什么是最佳观看信道。这可以由手工或自动实现。然后,视频信道切换命令在无线RF传输中被发送到个人电子设备16。例如,对于一辆给定的赛车,比如说车A,被发送到电子设备16的数据包括指定提供最佳观看的视频信道的字段。随着该汽车在赛道上移动,不断地更新该字段内的信息。如果在电子设备16上实现了自动排序,电子设备16将在显示屏802上显示在数字字段中指定的视频信道。运行电子设备16的软件不断地查找无线RF传输中的视频信道切换命令,当观测到那些命令时,把显示切换到该新的视频信道。
■基于汽车位移信息(速度信息)的视频信道切换。电子设备16接收被包含在定义一组视频信道的无线RF传输中用于自动排序的数据。这些数据将指定在赛车比赛开始之前被确定的下列参数:
○哪些信道用于排序,比如说,信道A、信道B和信道C;
○顺序-从信道A切换到信道B,然后切换到信道C,然后再开始;
○每个信道的视野,按照赛道距离来表示视野。例如,信道A的视野是5公里的赛道距离,信道B的视野是7公里的赛道距离,而信道C的视野是9公里的赛道距离。
电子设备16的观众开始观看赛事,并观看观众想自动跟踪的汽车。观众指定(经菜单选择或其它方式)要跟踪的汽车,等待直到该汽车进入信道A、B或C中任何一个的视野,然后启动自动跟踪功能。自动跟踪功能调用利用算法的汽车跟踪软件,该算法将读取被不断地广播的实时数据所指定的汽车的速度,并根据简单的速度相对距离计算,而确定该汽车将离开当前所观看的信道的视野的时间。具体而言,当使用信道C时,该算法计算该汽车行驶9公里(即该信道的视野)所需的时间。在完成该计算之后,启动内部时钟。当该时间间隔过去后,该算法发布视频信道切换命令,以根据所指定的切换顺序自动切换视频信道。连续地重复相同地操作。假设以合理的精度报告该汽车的速度,可以动态地控制视频信道切换事件的定时,从而保持该汽车总在观众的视野内。
■基于汽车位移信息(位置坐标信息)的视频信道切换。除了是根据在被广播的实时数据中报告的汽车的坐标来进行视频信道切换外,这种方式与上面的例子有些相同。具体而言,可以从每辆汽车中的全球定位系统(GPS)中获得坐标信息,并发送到头端12,然后在无线RF传输中广播到每个电子设备16。在排序组中的视频信道是以视野所覆盖的坐标范围为特点的。观众仅仅指定要跟踪的汽车。根据所感兴趣的汽车的坐标,该算法确定该汽车处于哪个视频信道坐标范围内,然后自动地切换到那个信道。在无线RF传输中所接收的每个坐标更新中,执行相同的操作,以及如果该汽车正处于不同信道的视野内时,该算法将因此执行切换。
在另一个实施例中,设计电子设备16从而当在赛道上发生重要事件时,提供强制视频信道切换。例如,如果发生了事故,电子设备16的观众可能想立刻切换到传输事故图像的视频信道上。可以通过在无线RF传输中引入一个标志来实现该处理,该标志指明将显示这样优先级事件的最好角度的视频信道。典型地,在内容制作站20的技术人员将识别出最好地显示该事件的视频信道,并在无线RF传输中引入标记该信道的标志。该标志可以是任何数据类型。例如,该标志可以是信道标识符。当电子设备16接收到该标志时,软件解释它,并且它使显示器自动地切换到所指示的视频信道上。如果希望的话,可以提供一种功能:当观众不感兴趣时,通过该功能允许禁止这种自动视频信道切换。
然而,在另一个可能的变型中,根据与比赛相关的某些特征进行自动视频切换,例如,在比赛中参赛选手的特定位置。例如,该位置可以是领先位置,这样,使电子设备16自动切换视频信道以连续地显示比赛的领先者。与前面的例子一样,在头端12的技术人员手工地或在自动化工具的帮助下识别哪个视频信道最好地显示了比赛的领先者,并在无线RF传输中插入合适的标志。编程电子设备16从而轮流地播放与该标志相关的视频信道。因此,当该标志改变时,换句话说,当它从一个视频信道移动到另一个视频信道时,电子设备16将因此切换在显示屏802上的视频信道。
在另一个可能的变型中,电子设备16具有双向无线通信能力。因此,电子设备16可以无线地接收信息,也可以无线地发送信息。根据非限制性的实施例,图19示出了一个双向通信系统。
为了举例,假设在现场体育赛事(比如说赛车比赛)中有电子设备16的组100。所有的电子设备16从头端12接收无线RF传输。电子设备16也可以经小区网络102单独地与远程实体通信。在该例中,小区网络102有两个彼此远离的小区塔104和106,从而为现场体育赛事的任何一个电子设备16提供充分的接收覆盖。向每个电子设备16提供允许其经空中接口建立与小区网络102通信的功能。该功能包括能够以与手机相同的方式通信的发射器和接收器部分。由于这些技术广为人知,在此不做说明。除了小区网络外,可以使用的另一种可能是WiFi网络,或者是允许在每个电子设备16与远程实体之间进行独立的无线通信的其它小区类型的基础设施。
不必要也更不愿意向从电子设备16到小区网络102的通信信道提供与在头端12与手持电子设备16之间的链路带宽一样的带宽。在实际中,需要从个人手持电子设备16发送的信息数量很少,不必需要来自头端12的无线RF传输所需的数据承载容量。
7、在线购物与游戏
无线双向通信能力允许向观众提供更多的互动性,这样增强其娱乐体验。下面将讨论具体的例子。
■经电子设备16的在线购物-前面已经讨论了向电子设备16传送电子目录的概念。双向通信的提供允许观众选择要购买的商品并电子完成在线购买。为了该例子,假设为了购买纪念品,比如说有他/她喜欢的车队的标志的T恤,观众希望访问在线购物信息,例如电子目录。按照前面说明的方式已经提前加载了电子目录,观众经用户界面800访问目录。这通过按下在观众界面800上的一个或多个专用键或经电子设备16的GUI上的菜单项来实现。一旦访问了电子目录,观众通过在用户界面800上的按键引导到想要的产品。在那时,观众进行选择,并进入付款页面。可以用多种不同的方式设计付款过程。第一种可能是要求输入必要的信息,这样可以完成在线交易。这些信息包括他/她的姓名、付款工具(例如信用卡细节)、送货地址信息,等等。观众使用在用户界面800上的按键输入这些信息。注意,在图3示出的用户界面的例子需要被扩展为包括必要的字母数字字符,从而允许这些数据的输入。在完成付款页面上所有字段之后,电子设备16经小区网络102与远程服务器108通信,从而完成该交易。这个阶段可能包括向服务器108发送包含在付款页面中的信息,例如所购买的商品或服务、支付信息和送货地址信息。此时,完成交易,观众将经所选择的送货方式接收其商品。另一种实现在线交易的可能是,在服务器108(或与服务器108通信的任何其它网络服务器)上存储关于观众的必要信息,从而避免观众经电子设备16输入这些数据。将结合图21更详细地讨论这种可能。具体地,服务器108包含与不同观众相关联的用户记录,其中每个用户记录包括用于认证目的的标识符、在线交易的支付工具、送货地址,等等。以这种方式,支付过程将涉及经小区网络102发送观众想购买的商品或服务的标识以及观众标识符,以允许服务器108检索到正确的用户记录。第二种可能可以说更为实用,因为它避免在用户界面800上输入很多信息的必要。
■锁事/调查/游戏。前面结合具有单向通信能力的实施例讨论了这个选项。双向通信可以大大增强观众体验的互动性。提供几个例子来说明这一点。在第一个例子中,向观众呈现小游戏,小游戏包括与现场体育赛事或比赛的选手相关的许多问题。在手持电子设备16的显示器上显示这些问题,并且这些问题是从在无线RF传输中传送的数据中提取出来的。观众通过操作用户界面800上的按键回答选择。可以是一系列问题或一个问题。收集答案,并且当已经回答了所有的问题时,把答案发送到服务器108。图20的流程图示出了这一过程。步骤200表示在无线RF传输中插入产生小游戏问题的必要的数据。头端12执行这个步骤。可以把该数据存储在数据库602中。在步骤202,个人电子设备16接收该数据、在显示器上产生问题,观众在相应的电子设备16上输入答案。步骤202对应有多个方框,其表示在这个过程中涉及多个电子设备16。在步骤204,每个个人电子设备16经小区网络102向服务器108发送响应。在步骤206,服务器108处理这些响应,然后根据该处理执行某类操作。能够选择的该类操作依赖于具体的游戏策略。示例包括:
○向每个电子设备16传送表示该响应的正确性的信息。经小区网络102传送这些信息。这种方式允许向每个观众传送个人化的消息,例如他/她的得分。
○把来自个人电子设备16的响应进行汇编,并按照得分对参加者进行排序。经小区网络102向个人电子设备16发送该得分。因此,电子设备16可以接收最高排名参加者的列表,例如前10名参加者;
○向最高得分者给予奖励,并将获奖通知给该特定电子设备16;
○根据该处理,利用无线RF传输向电子设备16发送信息。这种方式不允许个人化的消息,但仍可以用于向观众呈现关于锁事/调查的信息,例如,最高排名参加者的列表和/或关于小问题的正确答案、或在调查的情况下的调查的汇编结果。
另一种可能是,把锁事或调查问卷与在现场体育赛事中发生的事件联系起来。例如:
○在赛车比赛的情况下,当发现事故时,向每个电子设备16发送问题,以识别所涉及的参赛选手以及询问谁有过错;
○在曲棍球/橄榄球或足球比赛的情况下,询问关于裁判的判罚是否是正确的。例如,在曲棍球比赛中,当向选手给予处罚时,则问题询问该处罚是否正确。以这种方式,在实际比赛期间,拥有电子设备16的观众可以对裁判的判罚进行投票。
○在曲棍球/橄榄球/足球比赛的情况下,在比赛结束或赛段结束时进行询问,以识别在比赛/赛段期间发挥最好或对他的队而言最有价值的队员。以这种方式,拥有电子设备16的观众可以对队员在实际比赛期间的行为或表现进行投票。
服务器108所接收的响应的处理结果可以按照前面讨论的方式进行处理,换句话说,经小区网络102或无线RF传输向个人电子设备16提供反馈。然而,另一种选项是公开地宣布或显示结果。在一般具有某种大型显示屏的体育馆或类似设基础施内举办的现场体育赛事中,处理的结果可以显示在该大型显示屏上以供每个人看到。例如,显示的消息可能是说调查表明裁判的判罚是错的,或者是该赛段的最佳队员是队员X。
将在显示屏上显示的或者向观众宣布的信息可以从服务器108产生,并以任何合适的方式发送到显示装置。当服务器108在本地时,可以以无线或有线的方式发送到显示器。
也可以向电子设备16提供玩游戏的功能,其不需要双向通信。将给出几个例子来说明这种变型。例如,可以将无线RF传输设计为传送使电子设备16获得玩游戏功能的数据的传输手段。具体地,可以设计头端12产生由无线RF传输所承载的、并由个人电子设备16所接收的视频游戏数据。视频游戏数据包括用于由处理器100执行以使观众在显示屏802上玩视频游戏的程序代码。用于观众的娱乐的视频游戏具有可供在显示屏802上操纵的图像。经用户界面800控制视频游戏。向用户界面的多个按键分配功能以交互以及操纵在显示屏802上显示的图像。
另一种选项是在电子设备16上预先载入视频游戏数据,并仅经无线RF传输发送数据,该数据通过“解锁”该视频游戏数据的运行而使玩游戏的功能有效。换句话说,通常禁止观众玩视频游戏,除非经无线RF传输接收到解锁该游戏的数据。
上面讨论的选项不仅限于视频游戏,也可以扩展到小游戏/调查等。换句话说,通过无线RF传输可以载入或使游戏有效,如前所述。当向电子设备16提供双向通信功能时,对比赛问题、调查或投票的响应可以如上述方式被输出。
也可以根据现场体育赛事的进度定时玩游戏的功能。例如,仅当在现场体育赛事期间发生预定事件时,才激活电子设备16的玩游戏功能。一种事件是暂停,在这期间比赛被停止。
本发明的另一个非限制性实施例如图21所示。在该例中,在赛事开始前,个人电子设备16为即将开始的赛事而启动,这样,在比赛地点,电子设备16已被编程并包括赛事的具体信息。在用户购买了该电子设备16后,用户典型地与在现场体育赛事期间传送服务的商业组织设置用户账户。
8、在线服务购买
电子设备16经连接到PC 300的电子设备接口的USB端口104连接到用户的个人计算机(PC)300。PC 300的电子设备接口可以是PC 300上的USB端口。图21中的框图假设PC 300可以经因特网302与服务器304通信。PC 300具有允许经数据网络302(在本例中为因特网)进行数据通信的数据网络接口。在具体而非限制性的实施例中,数据网络接口是以太网连接。PC 300具有允许用户从PC 300接收信息以及在PC 300上输入信息的用户接口。用户接口包括键盘、显示屏和指向设备(pointing device)。显然,可以使用其它形式的用户接口而不背离本发明的精神。也可以向该PC提供处理器以及存储供处理器执行的程序数据的存储器。如前所述,该PC经因特网302或任何其它网络与服务器304连接。服务器304具有包括处理器和存储器的计算平台(未示出),处理器执行实现服务器304的功能的软件。为了能够在计算平台与数据网络302之间进行数据通信,向服务器304提供数据通信接口(未示出),该接口受计算平台的控制。计算平台指示经数据通信接口与PC300的信息交换。
在建立了所有连接之后,服务器304向PC 300发送数据,该数据与处理器所运行的程序数据一起经用户接口向用户呈现信息,以允许用户以电子方式购买以及指定向电子设备16传送的服务。从用户的角度来看,引导该用户到网站(由服务器304主管),并向该用户显示如图22所示的类型的屏幕。该网站允许用户为一个或多个现场体育赛事建立帐户,管理个人简档以及购买传送到电子设备16的服务。为了该示例,假设用户必须与服务器304创建新的帐户。此时,响应于服务器304发送的数据,PC 300提示用户选择帐户识别信息,以允许他/她安全地访问该帐户。帐户识别信息可以是用户姓名308以及密码310。一旦用户姓名308和密码310被选择或当它们由服务器304自动生成并被用户接受时,服务器304将需要它们以允许用户再次访问他/她的帐户。
接下来,要求用户提供个人信息,例如:
■姓名312;
■地址314;
■支付工具316,例如信用卡号和到期日期以及可能有的安全代码。支付工具316用于在现场体育赛事期间为传送到电子设备16的服务支付费用,也用于为在现场体育赛事期间购买的商品支付费用,如前所述。
■针对在线购物的送货地址信息317。送货地址是用户所购买的产品被送往的地址,如前所述。
■在线帐户被设定的语言。
除了用户所提供的信息以外,在电子设备16和服务器304之间进行信息的电子交换。信息的电子交换包括向服务器304传输电子设备16的唯一电子标识符。前面已经讨论了这样的电子标识符,并且它是硬编码标识符的形式。在此例中,当电子设备16经USB接口104连接到PC 300时,把该标识符提交给PC 300,并且它自动地被发送到服务器304。注意,PC 300可能需要使用能够与电子设备16通信的软件,从而从它提取硬编码标识符,并当用户正创建或访问他的记录时,把它传输到服务器304。
在服务器304上创建的记录具有使其区别于其它记录的三个信息要素。这些信息要素是:(1)用户姓名;(2)密码和(3)与那个用户姓名与密码相关联的电子设备16的标识符。注意,存在为某一记录或帐户分配多于一个电子设备16的可能性。
在帐户创建中的下一步是为用户指定某种偏好,该偏好允许根据个人的选择而定制服务。图22中的页面具有“选项”键315,当其被“点击”时,引导用户到如图23所示的“选项”页面。在那个页面中,用户能够指定广告选项318,例如是否需要广告、要传送的广告类型,即对用户而言感兴趣的产品和服务的特性。在一种简单的情况中,用户可以输入性别,这样据此而定制广告。在更详细的示例中,用户可以指定收入水平、教育程度、感兴趣的主题、地理位置和语言,等等。然后,该信息被用于创建允许定制被传送到用户的广告信息的过滤器。在非限制性的实施例中,服务器304创建过滤器,并经PC 300上传到电子设备16。该过滤器是存储在电子设备16上的文件的形式,当在现场体育赛事期间在无线RF传输中接收到广告信息时,该过滤器将确定什么信息将被传送到用户。该过滤器能够阻止某些广告,选择广告被传送的语言,等等。
在一个可能的变型中,用户能够指定关于在比赛期间所接收的除广告之外的信息的其它偏好。例如,用户能够指定所喜欢的队或队员,以允许在现场体育赛事期间以与这些偏好一致的方式向用户传送信息。图23示出了按键320“我的队”,其允许访问能够指定那些偏好的不同页面(未示出)。然后,服务器304使用那个信息以创建被存储在电子设备16上的另一个过滤器,其将确定在现场体育赛事期间所接收的信息。这种情形的一个具体例子是关于队或队员的信息向用户显示的顺序。根据该过滤器,改变提供更多关于队或队员的详细信息的选择菜单,这样,将向已经被指定为所喜爱的队或队员给予比不太喜爱的队或队员更高的优先等级。以这种方式,所喜爱的队或队员将首先出现,随后是没有被指定为所喜爱的那些队或队员。
一旦已完成图23的选项页中的项目,用户返回到图22,并按下把用户带到图24中的在线服务购买页的“在线服务购买”键319。此时,将要求用户认证其自己,从而能够进行服务传送的在线购买。响应于服务器304发布的认证请求数据,在PC 300上出现认证提示。然后,用户输入认证信息,例如用户姓名和密码,它们被传送到服务器304以用于确认。
如果认证数据是真实的并被服务器304接受,则用户被引导到一网页,该网页允许用户选择所希望内容传送的现场体育赛事,以及根据用户的口味和预算,定制该内容以被分配。例如,服务器304向PC 300发送数据,使PC 300显示允许用户选择购买服务的赛事的控制322。控制322可以是任何合适的控制,例如提供可以购买服务的所有赛事的列表的下拉菜单框。
一旦选择了某个赛事,则服务器304向PC 300发送使PC 300向用户显示控制324“服务选项”的数据,该控制324请求用户提供识别所希望服务的级别的信息。具体地,服务选项控制324允许用户在一组级别中选择服务级别。服务的多种级别可能基于内容而变化。例如,最高级别允许访问所有的内容,例如现场直播视频流、可用的GPS和在线购物功能、气象信息、热点新闻等等。紧低于最高级别的级别提供除了热点新闻以外的所有服务。服务的最低级别可以被限制在仅仅现场直播视频。对于本领域技术人员而言很明显,向用户提供的服务级别的数目以及那些服务级别彼此不同的方式只是设计问题,并且在不背离本发明的精神的情况下可以广泛地变化。
当完成了多个服务选择时,用户激活“支付”控制326。此时,服务器304将基于服务级别选择324来确定用户应当支付的货币金额。接下来,服务器304将执行该过程的支付步骤。存在两种可能的选项。一种是从用户提供并且目前被存档的信用卡支付,或者所提供的任何其它支付工具。另一种选项是向PC 300发送数据,该数据提示用户提供支付工具信息,例如被收费的信用卡。服务器304将处理这个支付工具信息从而完成支付步骤。
在完成支付步骤之后,服务器304将为已经购买了服务的现场体育赛事设置电子设备16。该设置包括以下:
■服务器304将向PC 300下载必要的服务数据,如设置/改变电子设备16的GUI的数据和/或用于比赛地点的制图数据,假设电子设备16具有GPS功能;
■辅助数据,例如:
○广告内容;
○与地点或事件相关的背景内容;
○购物信息,如在线目录;
○锁事或调查;
○视频游戏;
○环境/气象信息;
○新闻。
■认证信息
在辅助数据的情况下,当事件发生时,仅应当下载相关的或最新的数据。为了使辅助数据看起来仿佛其是在赛事期间“自发地”向观众呈现的,将其设计为仅当用户在赛事现场时才供其观看。例如,可以对用户“隐藏”该数据,或者以某种方式来设计,从而使用户不能访问该数据,除非电子设备16输入了“触发”。这种触发可以是包含在无线RF传输中的特定数据,从而“解锁”被隐藏的辅助内容。以这种方式,可以根据用户的简档定制被下载到PC 300的辅助数据。更具体地说,当创建用户帐户时,可以请求这些信息来提交偏好信息。前面讨论过这种信息类型。服务器304基于该偏好信息确定下载何种类型的辅助数据。
认证信息的下载允许安全地启动电子设备16以接收服务。例如,无线RF传输可以被设计为被保护的。被下载到PC 300并且被传输到手持电子设备16的认证信息允许在现场体育赛事时解锁该手持电子设备16。认证信息可以是用户代码(下面将讨论)的形式,或者是解密密钥(其对于电子设备16而言是唯一的,或者对于为特定现场体育赛事订阅服务的所有电子设备16而言是相同的)的形式。解密密钥可以用于解密在无线RF传输中被加密的内容。
当用于设置电子设备16的所有数据已经被下载到PC 300时,该经USB接口104将该数据传输到电子设备16。此时,电子设备16准备好供使用。当在现场体育赛事中被观众激活时,电子设备16将捕获无线RF传输,并使用该解密密钥来充分地解码该数据。而且,电子设备16还将在无线RF传输中检测为观众解锁以观看并访问隐藏的辅助数据的“触发”。因此,观众能够观看广告信息、进行在线购物,等等。
前面所说的在线交易可以被用作向服务器304告知电子设备16的身份的机制。因此,当用户正在进行为相应电子设备16的服务传送的在线购买时,服务器304正创建被授权接收该服务的电子设备16的列表。该列表被存储在服务器304的存储介质上,例如在数据库(未示出)中。仅在现场体育赛事之前,在其数据库中存储了所有已经为该赛事购买了服务的电子设备16(电子标识符)的列表的服务器304把该列表传送到认证数据库502。然后,如前所述,这些标识符被包含在无线RF传输中。
服务器304也可以被设计为产生前面所说的用户代码,为了能够访问在无线RF传输中携带的内容的部分或全部,观众需要在手持电子设备16的用户界面上输入该用户代码。该服务器实现如图26所示的用户代码生成器1008。在PC 300与服务器304的交互期间,把电子标识符1002传送到服务器304。手持电子设备16的认证处理器1006提取电子标识符1002,并将其传送到PC 300,然后发送到服务器304。用户代码生成器1008接收该信息并与赛事代码(单一代码或者针对多个服务级别的复合代码)一起处理它,以产生用户代码。在复合赛事代码的情形下,其由多个不同服务级别代码构成,该处理要运行多次,每次具有不同的服务级别代码。该处理的输出(即用户代码)被回送给PC 300。在PC 300的显示器上出现用户代码,这样该用户可以注意到它,并把它打印出来或者记下它,或者以给用户的电子邮件的形式把它发送到所指定的电子邮件地址上,或者以任何其它合适的方式。如前所述,也可以直接在手持电子设备16上加载用户代码。这省却了用户在手持电子设备16上手工输入用户代码的需要。
注意到,在用户已经在服务器304上创建了帐户的情况下,电子标识符1002可以被存储在该帐户中,从而不必从手持电子设备中提取它并把它传送给服务器304。以这种实现方式,用户按照前面描述的方式登录,他/她自动地获得用户代码,该用户代码是通过使用存储在帐户中的电子标识符1002和赛事代码而计算得到的。
注意到,另一种传送用户代码的可能是经电话系统。这里,用户拨打预定的号码,当被提示时,在拨号盘上输入电子标识符1002。在电话处理站的用户代码生成器基于电子标识符1002和赛事代码产生用户代码,并经语音合成后将其告知用户。此外,如果在电话处理站为用户创建了帐户,电子标识符1002可以被存储,从而不必为每次交易再次输入它。
在一个可能的变型中,电子设备16可以被设计为具有无线通信能力,例如经无线保真(WiFi)技术的蓝牙技术,以允许电子设备16经任何本地无线接收站(也被称为“热点”)直接与服务器304通信。以这种方式,电子设备16不需要被由服务器304设置的、到PC 300的连接。在这个变型中,可以直接从电子设备16完成所有的命令和服务选择。
注意,当电子设备16具有双向通信能力时,通过允许电子设备16经小区网络与用户记录所在的服务器304进行通信而进行在线购买。这里,在线购买过程如前所述,其中参加现场体育赛事的观众选择要购买的产品或服务,并经因特网302连接服务器304从而完成交易。交易包括通过提供用户ID和密码来认证用户。假设支付工具信息和送货信息已经在用户帐户中记录了,则交易完成。
虽然已经说明了多种实施例,但这仅仅是为了说明的目的,而不能限制本发明。对于本领域技术人员而言,各种变型是显而易见并且在本发明的保护范围内,所附的权利要求较详细地定义了本发明的保护范围。
Claims (9)
1.一种在举行现场体育赛事的比赛地点使用的手持电子设备,包括:
接收器,用于接收无线RF传输,该无线RF传输包括:
传送现场视频体育赛事内容的至少两个视频流,该现场体育赛事内容包括在该比赛地点举行的现场体育赛事上发生的动作的运动图像,和
与在该现场体育赛事的过程期间发生的事件相关联的书签,该书签在该至少两个视频流中的一视频流中标记位置,并且在已经接收并缓存了与该事件相关联的该视频流的一部分之后,接收该书签;
显示器;
用户界面;以及
缓冲器,用于同时缓存在该无线RF传输中的该至少两个视频流;
其中,该手持电子设备能够处理该缓冲器中的视频数据,从而实现允许在该显示器上观看缓存在该缓冲器中的视频流的重放功能,其中,该手持电子设备响应于经由该用户界面进行的该书签的选择,而从由该书签所标记的该视频流中的该位置处,开始播放该视频流。
2.如权利要求1所述的手持电子设备,其中:
该至少两个视频流来自拍摄该现场体育赛事的摄像机,并传送不同的动作场面。
3.如权利要求1-2中任一项所述的手持电子设备,其中:
该至少两个视频流被连续地缓存到该缓冲器中。
4.如权利要求1所述的手持电子设备,其中:
该现场体育赛事包括赛车比赛;以及
该事件包括该赛车比赛中的撞车。
5.如权利要求1所述的手持电子设备,其中:
该书签专用于该视频流。
6.如权利要求1所述的手持电子设备,其中:
该书签包括识别该事件的信息。
7.一种用于向参加现场体育赛事的观众传送内容的方法,包括:
在手持电子设备处接收无线RF传输,该无线RF传输包括传送现场视频体育赛事内容的至少两个视频流,该现场体育赛事内容包括在现场体育赛事中发生的动作的运动图像,该无线RF传输包括与在现场体育赛事的过程期间发生的事件相关联的书签,该书签在该至少两个视频流中的一视频流中标记位置,并且在已经接收并缓存了与该事件相关联的该视频流的一部分之后,接收该书签;
在该手持电子设备上同时缓存该至少两个视频流;
在该手持电子设备处接收该书签的选择;以及
响应于接收该书签的选择,而从该视频流中的该位置处开始,在该手持电子设备的显示器上显示所缓存的视频流。
8.如权利要求7所述的方法,其中:
该现场体育赛事包括赛车比赛;以及
该事件包括该赛车比赛中的撞车。
9.如权利要求7-8中任一项所述的方法,其中:
该书签专用于该视频流;并且
该书签包括识别该事件的信息。
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