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    • 1. 发明申请
    • Ad Menu for skipped advertisements
    • 广告菜单用于跳过的广告
    • US20100061709A1
    • 2010-03-11
    • US12231721
    • 2008-09-05
    • Davender AgnihotriBrant L. Candelore
    • Davender AgnihotriBrant L. Candelore
    • H04N7/26
    • H04N5/445H04N21/4147H04N21/4331H04N21/44204H04N21/4532H04N21/478H04N21/4821H04N21/812
    • A method of operation of a personal video recorder (PVR) involves receiving and storing a plurality of commercial advertisements forming a part of a stream of program content at the PVR; receiving and storing metadata associated with the plurality of commercial advertisements at the PVR; storing an index to the one or more commercial advertisements at the PVR; ascertaining that the end of the stream of program content has been reached; as a result of the ascertaining, using the stored index to retrieve metadata associated with the one or more commercial advertisements; building a menu of commercial advertisements from the retrieved metadata for the advertisements; generating a signal that displays the menu to the user and provides the user with an option of viewing the commercials; if the user chooses not to view the commercials, ceasing to generate the signal that displays the menu; if the user chooses to view a commercial, then receiving a selection of a commercial advertisement that the user wishes to view; and retrieving the commercial advertisement for viewing by the user. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
    • 个人录像机(PVR)的操作方法涉及在PVR中接收和存储形成节目内容流的一部分的多个商业广告; 在PVR处接收和存储与多个商业广告相关联的元数据; 存储PVR上的一个或多个商业广告的索引; 确定节目内容流的结束已经达到; 作为确定的结果,使用存储的索引来检索与一个或多个商业广告相关联的元数据; 从所检索的广告元数据构建商业广告菜单; 生成向用户显示菜单的信号并向用户提供查看广告的选项; 如果用户选择不查看广告,停止生成显示菜单的信号; 如果用户选择查看商业广告,则接收用户希望观看的商业广告的选择; 并且检索用于用户观看的商业广告。 该摘要不被认为是限制性的,因为其他实施例可能偏离本摘要中描述的特征。
    • 3. 发明授权
    • Dynamic composition of pre-encrypted video on demand content
    • 动态组合预先加密的视频点播内容
    • US07346163B2
    • 2008-03-18
    • US10802007
    • 2004-03-16
    • Leo M. Pedlow, Jr.Davender Agnihotri
    • Leo M. Pedlow, Jr.Davender Agnihotri
    • H04N7/167H04L9/00H04K1/00G06F11/30
    • H04N7/17336G11B27/005G11B27/322H04N7/1675H04N21/23439H04N21/23473H04N21/23476H04N21/2362H04N21/2387H04N21/47202H04N21/8453
    • According to certain embodiments consistent with the present invention, a method of processing digital video content, wherein the digital video content comprises intra-coded frames and inter-coded frames, involves selecting a plurality of the intra-coded frames for encryption to produce selected frames; encrypting the selected frames under a first encryption algorithm to produce first encrypted frames; storing the inter-coded frames in a first file; and storing the intra-coded frames, whether encrypted under the first encryption algorithm or unencrypted, in a second file. For a multiple encryption embodiment consistent with the present invention, the method further involves duplicating the intra-coded frames; encrypting duplicates of the selected frames under a second encryption algorithm to produce second encrypted frames; storing the intra-coded frames, whether encrypted under the second encryption algorithm or unencrypted, in a third file. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
    • 根据与本发明一致的某些实施例,一种处理数字视频内容的方法,其中数字视频内容包括帧内编码帧和帧间编码帧,涉及选择多个帧内编码帧进行加密以产生所选帧 ; 在第一加密算法下加密所选择的帧以产生第一加密帧; 将所述帧间编码帧存储在第一文件中; 以及将第一加密算法中加密的帧内编码帧或未加密的帧内编码帧存储在第二文件中。 对于与本发明一致的多重加密实施例,该方法还包括复制帧内编码帧; 在第二加密算法下加密所选帧的重复以产生第二加密帧; 将第二加密算法中加密的帧内编码帧或未加密地存储在第三文件中。 该摘要不被认为是限制性的,因为其他实施例可能偏离本摘要中描述的特征。
    • 9. 发明授权
    • Batch mode session-based encryption of video on demand content
    • 视频点播内容的批量模式基于会话的加密
    • US07263187B2
    • 2007-08-28
    • US10828737
    • 2004-04-21
    • Leo M. Pedlow, Jr.Davender Agnihotri
    • Leo M. Pedlow, Jr.Davender Agnihotri
    • H04L9/00H04N7/167H04K1/00H04N7/16H04N1/44H04N7/30H04N5/913H04N5/91
    • H04N21/23476H04N21/234381H04N21/2347H04N21/2365H04N21/2387H04N21/84H04N21/8453
    • A Video On Demand (VOD) method consistent with certain embodiments involves processing content to be delivered in a VOD method by selecting first portions of the content for encryption under a selective encryption system and selecting second portions of the content to remain unencrypted. The first and second portions are stored until receiving a request for delivery of the content, the request being from a terminal having decryption capabilities associated with a first decryption method. The first portions are then bulk encrypted to produce encrypted first portions. The encrypted first portions are stored in a buffer. The second portions are queued for delivery to the terminal. A stream of selectively encrypted content is assembled from the encrypted first portions and the second portions. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
    • 与某些实施例一致的视频点播(VOD)方法涉及通过在选择性加密系统下选择用于加密的内容的第一部分来处理要在VOD方法中传送的内容,并且选择内容的第二部分保持未加密。 存储第一和第二部分,直到接收到用于传送内容的请求,该请求来自具有与第一解密方法相关联的解密能力的终端。 然后,第一部分被批量加密以产生加密的第一部分。 加密的第一部分被存储在缓冲器中。 第二部分排队等待送达终端。 从加密的第一部分和第二部分组装有选择性加密内容的流。 该摘要不被认为是限制性的,因为其他实施例可能偏离本摘要中描述的特征。