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    Methods and apparatus to maintain audience privacy while determining viewing of video-on-demand programs
    366.
    发明授权
    Methods and apparatus to maintain audience privacy while determining viewing of video-on-demand programs 有权
    确定视频点播节目观看时保持观众隐私的方法和设备

    公开(公告)号：US09565473B2

    公开(公告)日：2017-02-07

    申请号：US14223560

    申请日：2014-03-24

    Applicant: The Nielsen Company (US), LLC.

    Inventor： Arun Ramaswamy ,  Robert A. Luff

    IPC: H04H60/32 ,  H04N21/442 ,  H04H20/14 ,  H04H60/37 ,  H04H60/40 ,  H04H60/45 ,  H04H60/59 ,  H04H60/64 ,  H04N7/173 ,  H04N21/254 ,  H04N21/258 ,  H04N21/472 ,  H04N21/658 ,  H04N21/8352 ,  H04H60/43 ,  H04H60/58

    CPC classification number: H04N21/442 ,  H04H20/14 ,  H04H60/372 ,  H04H60/40 ,  H04H60/43 ,  H04H60/45 ,  H04H60/58 ,  H04H60/59 ,  H04H60/64 ,  H04H2201/90 ,  H04N7/173 ,  H04N21/254 ,  H04N21/25866 ,  H04N21/44222 ,  H04N21/47202 ,  H04N21/6582 ,  H04N21/8352

    Abstract: Methods and apparatus to maintain audience privacy while determining viewing of video-on-demand (VOD) programs are disclosed. An example method disclosed herein comprises obtaining subscriber metering data from a site metering device monitoring presentation of VOD content at a first subscriber site, obtaining server metering data from a VOD server, the server metering data including identification information for a plurality of subscriber sites to identify particular VOD content provided uniquely to each of the subscriber sites, the identification information manipulated to preserve anonymity of the plurality of subscriber sites, manipulating at least a portion of the subscriber metering data to determine a first manipulated identifier to identify the first subscriber site, and using the first manipulated identifier to cross-reference the manipulated identification information included in the server metering data to merge the subscriber metering data and the portion of the server metering data uniquely associated with the first subscriber site.

    Abstract translation: 公开了在确定观看视频点播（VOD）节目时保持观众隐私的方法和装置。 本文公开的示例性方法包括从站点计量设备获取用户测量数据，监视在第一用户站点处的VOD内容的呈现，从VOD服务器获取服务器计量数据，所述服务器计量数据包括用于多个订户站点的标识信息，以识别 为每个用户站点唯一地提供的特定VOD内容，被操纵以保护多个用户站点的匿名性的识别信息，操纵用户测量数据的至少一部分以确定用于识别第一用户站点的第一操作标识符，以及 使用第一操作标识符来交叉引用包括在服务器测量数据中的操纵标识信息，以合并用户测量数据和与第一用户站点唯一相关联的服务器计量数据的部分。

    IDENTIFICATION OF CHANGED BROADCAST MEDIA ITEMS
    369.
    发明申请
    IDENTIFICATION OF CHANGED BROADCAST MEDIA ITEMS 有权
    更改广播媒体项目的标识

    公开(公告)号：US20170019196A1

    公开(公告)日：2017-01-19

    申请号：US15281463

    申请日：2016-09-30

    Applicant: iHeartMedia Management Services, Inc.

    Inventor： Dyon Anniballi ,  Philippe Generali

    IPC: H04H20/12 ,  H04H60/44 ,  H04H60/43 ,  H04H60/56 ,  H04L29/06

    CPC classification number: H04H20/12 ,  G06F21/32 ,  H04H60/43 ,  H04H60/44 ,  H04H60/45 ,  H04H60/56 ,  H04H2201/90 ,  H04L9/3231 ,  H04L63/0861 ,  H04L63/0869 ,  H04L65/403

    Abstract: Small changes in a broadcast version of a base media item can be identified by performing a multi-level comparison of digital fingerprints. A fingerprint of a base media item is compared to a fingerprint of a media broadcast to determine whether a media item embedded in a broadcast is likely, to a first level of certainty, to be the base media item. A second, more stringent, match between the fingerprint of the base media item and loosely matched items can be used to identify potentially-altered versions of the base media item. Potentially-altered versions can be compared against each other, and resulting matches are flagged as altered base media items, which can be fingerprinted and tested against broadcast fingerprints in the same manner as the base media item.

    Abstract translation: 可以通过执行数字指纹的多级比较来识别基本媒体项的广播版本的小变化。 将基本媒体项目的指纹与媒体广播的指纹进行比较，以确定嵌入在广播中的媒体项目是否可能成为基本媒体项目的第一级别。 可以使用基本媒体项目的指纹和松散匹配的项目之间的第二个更严格的匹配来识别基本媒体项目的潜在改变的版本。 潜在改变的版本可以彼此比较，并且所得到的匹配被标记为改变的基本媒体项目，其可以以与基本媒体项目相同的方式针对广播指纹进行指纹和测试。

    Methods and apparatus to generate signatures representative of media
    370.
    发明授权
    Methods and apparatus to generate signatures representative of media 有权
    生成代表媒体的签名的方法和设备

    公开(公告)号：US09548830B2

    公开(公告)日：2017-01-17

    申请号：US14512663

    申请日：2014-10-13

    Applicant: The Nielsen Company (US), LLC

    Inventor： Manjunath Puttappa Kariyappa ,  Srinivasa Rao Edara ,  Suresh Kumar Kulathumkal Kalayil

    IPC: G06F17/00 ,  H04H60/58 ,  G06F3/16

    CPC classification number: G06F17/30743 ,  G06F3/165 ,  G11B20/10527 ,  H04H60/37 ,  H04H60/58 ,  H04H2201/90

    Abstract: Methods and apparatus to generate signatures representative of media are disclosed. An example method includes transforming a block of samples from a time-domain representation to a frequency-domain representation comprising multiple frequency bands, determining a signature function by fitting a curve to at least a subset of the frequency bands, and calculating signature values for the block. Calculating the tuple includes calculating a first angle between a reference line and a first line that is tangent to the signature function at a first index, calculating a second angle between the reference line and a second line that is tangent to the signature function at a second index, calculating a third angle between the reference line and a third line that is tangent to the signature function at a third index, and creating the signature values based on the first angle, the second angle, and the third angle.

    Abstract translation: 公开了生成代表媒体的签名的方法和装置。 示例性方法包括将来自时域表示的样本块变换为包括多个频带的频域表示，通过将曲线拟合到至少一个频带的子集来确定签名函数，以及计算签名值 块。 计算所述元组包括计算在第一索引处与所述签名函数相切的参考线与第一线之间的第一角度，计算所述参考线与第二线之间的第二角度，所述第二角度与所述签名功能的第二线成正切 索引，在第三索引处计算参考线和与签名函数相切的第三线之间的第三角度，以及基于第一角度，第二角度和第三角度创建签名值。

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