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1. 发明授权

US09338405B2 Scrambled digital data item 有权
标题翻译：加扰数字数据项
公开(公告)号：US09338405B2
公开(公告)日：2016-05-10
申请号：US12224749
申请日：2007-05-03
申请人： Keith Millar , Colin Harvey
发明人： Keith Millar , Colin Harvey
IPC分类号： H04N7/16 , H04N7/167 , H04N7/173 , H04N21/2662 , H04N21/438 , H04N21/4405 , H04N21/4623 , H04N21/61 , H04N21/643
CPC分类号： H04N7/1675 , H04N7/17318 , H04N21/2662 , H04N21/4384 , H04N21/4405 , H04N21/4623 , H04N21/6125 , H04N21/64322
摘要： A method of decrypting a scrambled digital data item at a client is disclosed, the method including: receiving actual control messages at the client, wherein each actual control message includes control word generating information for generating a control word associated with the actual control message; storing the actual control messages at the client; receiving the scrambled digital data item at the client independently of the actual control messages, wherein the scrambled digital data item includes a plurality of segments of scrambled digital data, each segment of scrambled digital data being associated with one of the actual control messages and being scrambled with the control word associated with the one of the actual control messages, and wherein the scrambled digital data item further includes a plurality of reference control messages, each segment of scrambled digital data comprising one of the reference control messages, each of the reference control messages including a control message reference value identifying the actual control message associated with the segment of scrambled digital data; and decrypting the scrambled digital data item using the plurality of actual control messages.
摘要翻译：公开了一种在客户端解密加扰的数字数据项的方法，所述方法包括：在客户端处接收实际控制消息，其中每个实际控制消息包括用于生成与实际控制消息相关联的控制字的控制字产生信息; 将实际控制消息存储在客户端; 在客户端独立于实际的控制消息接收加密的数字数据项，其中加密的数字数据项包括多个加扰的数字数据段，加扰的数字数据的每个段与实际控制消息中的一个相关联并被加扰其中所述控制字与所述实际控制消息中的一个相关联，并且其中所述加密数字数据项还包括多个参考控制消息，所述加扰数字数据的每个段包括所述参考控制消息之一，所述参考控制消息中的每一个包括识别与加扰的数字数据的段相关联的实际控制消息的控制消息参考值; 以及使用所述多个实际控制消息来解密所述经加扰的数字数据项。

2. 发明申请

US20090028331A1 Scrambled Digital Data Item 有权
标题翻译：加扰数字数据项
公开(公告)号：US20090028331A1
公开(公告)日：2009-01-29
申请号：US12224749
申请日：2007-05-03
申请人： Keith Millar , Colin Harvey
发明人： Keith Millar , Colin Harvey
IPC分类号： H04L9/00
CPC分类号： H04N7/1675 , H04N7/17318 , H04N21/2662 , H04N21/4384 , H04N21/4405 , H04N21/4623 , H04N21/6125 , H04N21/64322
摘要： A method of decrypting a scrambled digital data item at a client is disclosed, the method including: receiving actual control messages at the client, wherein each actual control message includes control word generating information for generating a control word associated with the actual control message; storing the actual control messages at the client; receiving the scrambled digital data item at the client independently of the actual control messages, wherein the scrambled digital data item includes a plurality of segments of scrambled digital data, each segment of scrambled digital data being associated with one of the actual control messages and being scrambled with the control word associated with the one of the actual control messages, and wherein the scrambled digital data item further includes a plurality of reference control messages, each segment of scrambled digital data comprising one of the reference control messages, each of the reference control messages including a control message reference value identifying the actual control message associated with the segment of scrambled digital data; and decrypting the scrambled digital data item using the plurality of actual control messages.
摘要翻译：公开了一种在客户端解密加扰的数字数据项的方法，所述方法包括：在客户端处接收实际控制消息，其中每个实际控制消息包括用于生成与实际控制消息相关联的控制字的控制字产生信息; 将实际控制消息存储在客户端; 在客户端独立于实际的控制消息接收加密的数字数据项，其中加密的数字数据项包括多个加扰的数字数据段，加扰的数字数据的每个段与实际控制消息中的一个相关联并被加扰其中所述控制字与所述实际控制消息中的一个相关联，并且其中所述加密数字数据项还包括多个参考控制消息，所述加扰数字数据的每个段包括所述参考控制消息之一，所述参考控制消息中的每一个包括识别与加扰的数字数据的段相关联的实际控制消息的控制消息参考值; 以及使用所述多个实际控制消息来解密所述经加扰的数字数据项。

3. 发明授权

US08904427B2 Content sub-item substitution 有权
标题翻译：内容子项替换
公开(公告)号：US08904427B2
公开(公告)日：2014-12-02
申请号：US13138771
申请日：2009-04-01
申请人： Keith Millar
发明人： Keith Millar
IPC分类号： H04N7/025 , H04N7/10 , H04N5/76 , H04N9/82 , H04N5/765
CPC分类号： H04N5/76 , H04N5/765 , H04N9/8205 , H04N9/8227
摘要： A method of content sub-item substitution is described. The method includes: receiving from a headend a description of a plurality of virtual channels, the description defining each virtual channel on the basis of one or more metadata attributes associated with that virtual channel; receiving one or more content sub-item substitution opportunities for each virtual channel, each content sub-item substitution opportunity specifying one or more content sub-items for use in the content sub-item substitution; and receiving and recording a content item, the content item including metadata associated with the content item and one or more substitutable content sub-items. The method further includes, upon playback (201) of a previously recorded content item: matching the metadata associated with the previously recorded content item with the one or more metadata attributes, thereby determining a virtual channel (205) valid for the previously recorded content item; selecting a content sub-item substitution opportunity (207) based on the determined virtual channel; and substituting the one or more substitutable content sub-items (211) with content sub-items specified in the selected content sub-item substitution opportunity. Related apparatus and methods are also disclosed.
摘要翻译：描述内容子项替换的方法。该方法包括：从头端接收对多个虚拟信道的描述，该描述基于与该虚拟信道相关联的一个或多个元数据属性来定义每个虚拟信道; 为每个虚拟频道接收一个或多个内容子项替代机会，每个内容子项替代机会指定用于内容子项替换的一个或多个内容子项; 以及接收和记录内容项目，所述内容项目包括与所述内容项目相关联的元数据以及一个或多个可替换内容子项目。该方法还包括：在回放（201）之前记录的内容项目时，将与先前记录的内容项目相关联的元数据与一个或多个元数据属性相匹配，由此确定对先前记录的内容项目有效的虚拟频道（205） ; 基于所确定的虚拟信道来选择内容子项目替换机会（207）; 以及用所选内容子项替代机会中指定的内容子项代替一个或多个可替换内容子项（211）。还公开了相关的装置和方法。

4. 发明授权

US08656447B2 Splicing of content 有权
标题翻译：拼接内容
公开(公告)号：US08656447B2
公开(公告)日：2014-02-18
申请号：US13515372
申请日：2010-10-24
申请人： Tal Pasternak , Keith Millar , Len Sundy , Avraham Poupko
发明人： Tal Pasternak , Keith Millar , Len Sundy , Avraham Poupko
IPC分类号： H04N7/16
CPC分类号： H04N21/23614 , H04N21/23424 , H04N21/23608 , H04N21/433 , H04N21/4331 , H04N21/4334 , H04N21/4344 , H04N21/43637 , H04N21/44016 , H04N21/6131 , H04N21/8455
摘要： A Headend system including a video codec to encode a video sequence yielding an encoded video sequence having video packets, a multiplexer, a signal generator to receive a notification of a splice point, analyze at least some of the encoded video packets based on the notification in order to find a random-access-point-packet, the random-access-point being a point from which to start decoding the encoded video sequence by the rendering device so that the video sequence may be rendered for output from the splice point, create a timing signal estimating a location of the random-access-point-packet in the encoded video sequence, and output the timing signal to the multiplexer or transmission equipment. Related apparatus and methods are also described.
摘要翻译：一种头端系统，包括视频编解码器，用于编码产生具有视频分组的编码视频序列的视频序列，多路复用器，用于接收拼接点的通知的信号发生器，基于所述通知中的至少一些编码视频分组为了找到随机接入点分组，随机接入点是从该再现装置开始对编码视频序列进行解码的点，使得可以渲染视频序列以从拼接点输出，创建估计编码视频序列中随机接入点分组的位置的定时信号，并将定时信号输出到多路复用器或传输设备。还描述了相关装置和方法。

5. 发明申请

US20120116855A1 Receiving and Recording of Content and of Timing Information 审中-公开
标题翻译：内容和时间信息的接收和记录
公开(公告)号：US20120116855A1
公开(公告)日：2012-05-10
申请号：US13379946
申请日：2009-06-29
申请人： Keith Millar
发明人： Keith Millar
IPC分类号： G06Q30/02 , G06F15/16
CPC分类号： H04N21/435 , G06Q30/0241 , H04N21/235 , H04N21/25891 , H04N21/262 , H04N21/2668 , H04N21/4325 , H04N21/4334 , H04N21/458 , H04N21/812 , H04N21/8455
摘要： A method of receiving content at a user unit is disclosed. The method includes: receiving at the user unit a transmission stream, the transmission stream including: (a) a content item followed by a following content sub-item set, the following content sub-item set including one or more following content sub-items, and (b) following start time data indicating a following start point of the following content sub-item set, wherein the following start time is received in advance of the following start point during reception of the content item. The method further includes continuing to receive the following start time data periodically throughout reception of the following content sub-item set. Related methods are also disclosed.
摘要翻译：公开了一种在用户单元处接收内容的方法。该方法包括：在用户单元处接收传输流，所述传输流包括：（a）跟随有以下内容子项集的内容项，包括一个或多个以下内容子项的以下内容子项集，以及（b）跟随开始时间数据，指示下一个内容子项目集合的下一个开始点，其中在接收内容项目期间，在下一个开始点之前接收以下开始时间。该方法还包括在接收以下内容子项目集合中周期性地继续接收以下开始时间数据。还公开了相关方法。

6. 发明申请

US20140013349A1 Content Insertion in Adaptive Streams 审中-公开
标题翻译：自适应流中的内容插入
公开(公告)号：US20140013349A1
公开(公告)日：2014-01-09
申请号：US14001366
申请日：2011-10-03
申请人： Keith Millar , Trevor Smith , Ian R. Shelton
发明人： Keith Millar , Trevor Smith , Ian R. Shelton
IPC分类号： H04N21/85
CPC分类号： H04N21/85 , H04N21/23439 , H04N21/2353 , H04N21/44016 , H04N21/812 , H04N21/84 , H04N21/8456 , H04N21/858
摘要： A method including providing a first content item for consumption, the first content item having a content placement opportunity at which a second content item can be consumed, dividing the first content item into a plurality of chunks, the placement opportunity being temporally disposed after a first one of the chunks and/or before a second one of the chunks, after a first point where the first chunk is operative to finish being rendered and/or before a second point where the second chunk is operative to start being rendered, and encoding the chunks yielding a plurality of encoded chunks, wherein the encoding includes performing, for each one of the chunks of the first content item encoding the audio/video frames of the one chunk at a first audio/video quality, and repeating encoding of the audio/video frames of the one chunk at a second audio/video quality. Related apparatus and methods are also described.
摘要翻译：一种包括提供用于消费的第一内容项目的方法，所述第一内容项目具有可以消费第二内容项目的内容放置机会，将所述第一内容项目划分成多个块，所述放置机会暂时放置在第一内容项目之后其中一个块和/或之前的第二个块之间，在第一个块可操作完成渲染的第一点之后和/或在第二个块可操作以开始渲染的第二个点之前，并对产生多个编码块的块，其中所述编码包括以第一音频/视频质量对所述一个块的音频/视频帧进行编码的第一内容项的每个块中的每一个执行，并重复所述音频/ 第一音频/视频质量的一个块的视频帧。还描述了相关装置和方法。

7. 发明申请

US20120272286A1 SPLICING OF CONTENT 有权
标题翻译：内容分离
公开(公告)号：US20120272286A1
公开(公告)日：2012-10-25
申请号：US13515372
申请日：2010-10-24
申请人： Tal Pasternak , Keith Millar , Len Sundy , Avraham Poupko
发明人： Tal Pasternak , Keith Millar , Len Sundy , Avraham Poupko
IPC分类号： H04N21/6379
CPC分类号： H04N21/23614 , H04N21/23424 , H04N21/23608 , H04N21/433 , H04N21/4331 , H04N21/4334 , H04N21/4344 , H04N21/43637 , H04N21/44016 , H04N21/6131 , H04N21/8455
摘要： A Headend system including a video codec to encode a video sequence yielding an encoded video sequence having video packets, a multiplexer, a signal generator to receive a notification of a splice point, analyze at least some of the encoded video packets based on the notification in order to find a random- access-point-packet, the random-access-point being a point from which to start decoding the encoded video sequence by the rendering device so that the video sequence may be rendered for output from the splice point, create a timing signal estimating a location of the random-access-point-packet in the encoded video sequence, and output the timing signal to the multiplexer or transmission equipment. Related apparatus and methods are also described.
摘要翻译：一种头端系统，包括视频编解码器，用于编码产生具有视频分组的编码视频序列的视频序列，多路复用器，用于接收拼接点的通知的信号发生器，基于所述通知中的至少一些编码视频分组为了找到随机接入点分组，随机接入点是从该再现装置开始对编码视频序列进行解码的点，使得可以渲染视频序列以从拼接点输出，创建估计编码视频序列中随机接入点分组的位置的定时信号，并将定时信号输出到多路复用器或传输设备。还描述了相关装置和方法。

8. 发明申请

US20120054791A1 CONTENT SUB-ITEM SUBSTITUTION 有权
标题翻译：内容子项目取代
公开(公告)号：US20120054791A1
公开(公告)日：2012-03-01
申请号：US13138771
申请日：2009-04-01
申请人： Keith Millar
发明人： Keith Millar
IPC分类号： H04N7/10
CPC分类号： H04N5/76 , H04N5/765 , H04N9/8205 , H04N9/8227
摘要： A method of content sub-item substitution is described. The method includes: receiving from a headend a description of a plurality of virtual channels, the description defining each virtual channel on the basis of one or more metadata attributes associated with that virtual channel; receiving one or more content sub-item substitution opportunities for each virtual channel, each content sub-item substitution opportunity specifying one or more content sub-items for use in the content sub-item substitution; and receiving and recording a content item, the content item including metadata associated with the content item and one or more substitutable content sub-items. The method further includes, upon playback (201) of a previously recorded content item: matching the metadata associated with the previously recorded content item with the one or more metadata attributes, thereby determining a virtual channel (205) valid for the previously recorded content item; selecting a content sub-item substitution opportunity (207) based on the determined virtual channel; and substituting the one or more substitutable content sub-items (211) with content sub-items specified in the selected content sub-item substitution opportunity. Related apparatus and methods are also disclosed.
摘要翻译：描述内容子项替换的方法。该方法包括：从头端接收对多个虚拟信道的描述，该描述基于与该虚拟信道相关联的一个或多个元数据属性来定义每个虚拟信道; 为每个虚拟频道接收一个或多个内容子项替代机会，每个内容子项替代机会指定用于内容子项替换的一个或多个内容子项; 以及接收和记录内容项目，所述内容项目包括与所述内容项目相关联的元数据以及一个或多个可替换内容子项目。该方法还包括：在回放（201）之前记录的内容项目时，将与先前记录的内容项目相关联的元数据与一个或多个元数据属性相匹配，由此确定对先前记录的内容项目有效的虚拟频道（205） ; 基于所确定的虚拟信道来选择内容子项目替换机会（207）; 以及用所选内容子项替代机会中指定的内容子项代替一个或多个可替换内容子项（211）。还公开了相关的装置和方法。

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