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21. 发明授权

US08364491B2 Methods and apparatus for characterizing media 有权
标题翻译：表征媒体的方法和装置
公开(公告)号：US08364491B2
公开(公告)日：2013-01-29
申请号：US13250663
申请日：2011-09-30
申请人： Alexander Topchy , Venugopal Srinivasan , Arun Ramaswamy
发明人： Alexander Topchy , Venugopal Srinivasan , Arun Ramaswamy
IPC分类号： G10L21/00 , G10L19/14
CPC分类号： H04H60/58 , H04H20/14
摘要： Methods and apparatus for characterizing media are described. An example apparatus includes a transformer to convert at least a portion of a block of audio into a frequency domain representation including a plurality of frequency components; a decision metric processor to: define a band of frequency components having real and imaginary spectral components, define a plurality of frequency bins within the band, determine respective difference functions for each of the frequency bins using a product of the real and imaginary spectral components of a corresponding group of the frequency bins, the corresponding group for a first one of the frequency bins including at least the first one of the frequency bins and a second one of the frequency bins selected based on the first frequency bin, and determine a decision metric by summing the difference functions; and a signature determiner to determine a signature based on the decision metric.
摘要翻译：描述用于表征介质的方法和装置。示例性装置包括：变换器，用于将音频块的至少一部分转换成包括多个频率分量的频域表示; 决策度量处理器，用于：定义具有实数和虚数谱分量的频率分量的频带，在所述频带内定义多个频率仓，使用所述频域的实数和虚谱分量的乘积确定每个频率仓的相应差分函数，相应的频率仓组，用于包括频率仓中的至少第一频率仓的第一个频率仓的相应组，以及基于第一频率仓选择的频率仓中的第二个，并且确定一个决定度量通过总结差异函数; 以及签名确定器，用于基于所述决策度量来确定签名。

22. 发明授权

US09286912B2 Methods and apparatus for identifying media 有权
标题翻译：识别媒体的方法和设备
公开(公告)号：US09286912B2
公开(公告)日：2016-03-15
申请号：US13627495
申请日：2012-09-26
申请人： Venugopal Srinivasan , Alexander Topchy
发明人： Venugopal Srinivasan , Alexander Topchy
IPC分类号： G06F17/00 , G10L25/54 , H04H60/39 , H04H60/58 , H04H60/37 , G10L19/018 , H04H20/31
CPC分类号： G10L25/54 , G10L19/018 , H04H20/31 , H04H60/37 , H04H60/372 , H04H60/39 , H04H60/58 , H04H2201/37 , H04H2201/50
摘要： Methods and apparatus are disclosed for identifying media and, more particularly, to methods and apparatus for decoding identifiers after broadcast. An example method includes a portion of an identifying code from a media signal, determine a partition of the look-up table based on the portion of the identifying code wherein the partition of the look-up table includes reference signatures associated with the portion of the identifying code, and identify the media signal by comparing a signature extracted from the media signal to reference signatures in the partition of the look-up table.
摘要翻译：公开了用于识别媒体的方法和装置，更具体地，涉及用于在广播之后解码标识符的方法和装置。示例性方法包括来自媒体信号的识别码的一部分，基于识别码的部分确定查找表的分区，其中查找表的分区包括与该部分相关联的参考签名识别代码，并通过将从媒体信号提取的签名与查找表的分区中的参考签名进行比较来识别媒体信号。

23. 发明申请

US20140279856A1 METHODS AND APPARATUS TO UPDATE A REFERENCE DATABASE 审中-公开
标题翻译：更新参考数据库的方法和设备
公开(公告)号：US20140279856A1
公开(公告)日：2014-09-18
申请号：US13839722
申请日：2013-03-15
申请人： Venugopal Srinivasan , Alexander Topchy , Raghuram Ranganathan
发明人： Venugopal Srinivasan , Alexander Topchy , Raghuram Ranganathan
IPC分类号： G06F17/30
CPC分类号： G06F16/23
摘要： Methods and apparatus are disclosed for updating an index of a reference data database. An example method includes, in response to receiving reference data at a reference database, inserting the reference data in a first portion of the reference database, updating a first portion of an index corresponding to the first portion of the reference database; and updating a second portion of the reference database by shifting the reference data from the first portion of the reference database to the second portion of the reference database, and after shifting, recomputing a second portion of an index corresponding to the second portion of the reference database.
摘要翻译：公开了用于更新参考数据数据库的索引的方法和装置。一个示例性方法包括响应于在参考数据库处接收参考数据，将参考数据插入到参考数据库的第一部分中，更新与参考数据库的第一部分相对应的索引的第一部分; 以及通过将参考数据从参考数据库的第一部分移动到参考数据库的第二部分来更新参考数据库的第二部分，并且在移位之后，重新计算对应于参考的第二部分的索引的第二部分数据库。

24. 发明申请

US20140254801A1 DOWN-MIXING COMPENSATION FOR AUDIO WATERMARKING 有权
标题翻译：用于音频水印的下混音补偿
公开(公告)号：US20140254801A1
公开(公告)日：2014-09-11
申请号：US13793962
申请日：2013-03-11
申请人： Venugopal Srinivasan , Alexander Topchy
发明人： Venugopal Srinivasan , Alexander Topchy
IPC分类号： G10L19/018
CPC分类号： G10L19/018 , G10L19/008
摘要： Example methods, apparatus, systems and articles of manufacture to implement down-mixing compensation for audio watermarking are disclosed. Example methods disclosed herein to compensate for audio channel down-mixing when embedding watermarks in a multichannel audio signal include obtaining a watermark to be embedded in respective ones of a plurality of audio channels of the multichannel audio signal. Such example methods also include embedding the watermark in a first one of the plurality of audio channels based on a compensation factor that is to reduce perceptibility of the watermark when the first one of the plurality of audio channels is down-mixed with a second one of the plurality of audio channels after the watermark has been applied to the first and second ones of the plurality of audio channels.
摘要翻译：公开了用于实现音频水印的下混补偿的示例性方法，装置，系统和制品。当将水印嵌入多声道音频信号中时，本文公开的用于补偿音频通道下混的示例方法包括获得要嵌入在多声道音频信号的多个音频通道的相应的一个中的水印。这种示例性方法还包括：基于当多个音频通道中的第一个音频通道与第一个音频通道中的第二个被混合时降低水印的可感知性的补偿因子，将该水印嵌入多个音频通道的第一个中水印之后的多个音频通道已被应用于多个音频通道中的第一和第二音频通道。

25. 发明申请

US20140088742A1 METHODS AND APPARATUS FOR IDENTIFYING MEDIA 有权
标题翻译：识别媒体的方法和设备
公开(公告)号：US20140088742A1
公开(公告)日：2014-03-27
申请号：US13627495
申请日：2012-09-26
申请人： Venugopal Srinivasan , Alexander Topchy
发明人： Venugopal Srinivasan , Alexander Topchy
IPC分类号： G06F17/00
CPC分类号： G10L25/54 , G10L19/018 , H04H20/31 , H04H60/37 , H04H60/372 , H04H60/39 , H04H60/58 , H04H2201/37 , H04H2201/50
摘要： Methods and apparatus are disclosed for identifying media and, more particularly, to methods and apparatus for decoding identifiers after broadcast. An example method includes a portion of an identifying code from a media signal, determine a partition of the look-up table based on the portion of the identifying code wherein the partition of the look-up table includes reference signatures associated with the portion of the identifying code, and identify the media signal by comparing a signature extracted from the media signal to reference signatures in the partition of the look-up table.
摘要翻译：公开了用于识别媒体的方法和装置，更具体地，涉及用于在广播之后解码标识符的方法和装置。示例性方法包括来自媒体信号的识别码的一部分，基于识别码的部分确定查找表的分区，其中查找表的分区包括与该部分相关联的参考签名识别代码，并通过将从媒体信号提取的签名与查找表的分区中的参考签名进行比较来识别媒体信号。

26. 发明申请

US20130261781A1 METHODS AND APPARATUS FOR GENERATING SIGNATURES 有权
标题翻译：用于生成信号的方法和装置
公开(公告)号：US20130261781A1
公开(公告)日：2013-10-03
申请号：US13907278
申请日：2013-05-31
申请人： Alexander Topchy , Venugopal Srinivasan
发明人： Alexander Topchy , Venugopal Srinivasan
IPC分类号： G06F17/30
CPC分类号： H04H60/58 , G06F17/30743 , H04H20/14 , H04H2201/90
摘要： Methods and apparatus for characterizing media are described. An example method includes converting at least a portion of a block of audio into a frequency domain representation, dividing the frequency domain representation into bands, determining a characteristic difference of a first band of the bands, and determining a signature bit based on the characteristic difference, wherein determining the signature bit is performed differently based on whether an index of the first band has a first property.
摘要翻译：描述用于表征介质的方法和装置。一种示例性方法包括将音频块的至少一部分转换成频域表示，将频域表示划分成频带，确定频带的第一频带的特征差，以及基于特征差确定签名比特其中，基于所述第一频带的索引是否具有第一属性，不同地执行所述签名位的确定。

27. 发明授权

US08060372B2 Methods and appratus for characterizing media 有权
标题翻译：表征媒体的方法和方法
公开(公告)号：US08060372B2
公开(公告)日：2011-11-15
申请号：US12034489
申请日：2008-02-20
申请人： Alexander Topchy , Venugopal Srinivasan , Arun Ramaswamy
发明人： Alexander Topchy , Venugopal Srinivasan , Arun Ramaswamy
IPC分类号： G10L21/00 , H04H60/32
CPC分类号： H04H60/58 , H04H20/14
摘要： Methods and apparatus for characterizing media are described. In one example, a method of characterizing media includes capturing a block of audio; converting at least a portion of the block of audio into a frequency domain representation including a plurality of complex-valued frequency components; defining a band of complex-valued frequency components for consideration; determining a decision metric using the band of complex-valued frequency components; and determining a signature bit based on a value of the decision metric. Other examples are shown and described.
摘要翻译：描述用于表征介质的方法和装置。在一个示例中，表征媒体的方法包括捕获音频块; 将所述音频块的至少一部分转换成包括多个复值频率分量的频域表示; 定义复频率频率分量的频带以供考虑; 使用复值频率分量的频带来确定决策度量; 以及基于所述决策度量的值来确定签名比特。示出和描述其他示例。

28. 发明申请

US20100106718A1 METHODS AND APPARATUS TO EXTRACT DATA ENCODED IN MEDIA CONTENT 有权
标题翻译：提取媒体内容编码的方法和设备
公开(公告)号：US20100106718A1
公开(公告)日：2010-04-29
申请号：US12604176
申请日：2009-10-22
申请人： Alexander Topchy , Venugopal Srinivasan
发明人： Alexander Topchy , Venugopal Srinivasan
IPC分类号： G06F17/30
CPC分类号： H04H60/37 , G11B20/10 , H04H20/31 , H04H60/58
摘要： Methods and apparatus to extract data encoded in media content are disclosed. An example method includes receiving a media content signal, sampling the media content signal to generate digital samples, determining a frequency domain representation of the digital samples, determining a first rank of a first frequency in the frequency domain representation, determining a second rank of a second frequency in the frequency domain representation, combining the first rank and the second rank with a set of ranks to create a combined set of ranks, comparing the combined set of ranks to a set of reference sequences, determining a data represented by the combined set of ranks based on the comparison, and storing the data in a tangible memory.
摘要翻译：公开了提取在媒体内容中编码的数据的方法和装置。示例性方法包括接收媒体内容信号，采样媒体内容信号以产生数字样本，确定数字样本的频域表示，确定频域表示中的第一频率的第一等级，确定频域表示的第二等级频域表示中的第二频率，用一组等级组合第一等级和第二等级以创建组合的一组队列，将组合的队列与一组参考序列进行比较，确定由组合集合表示的数据基于比较，并将数据存储在有形存储器中。

29. 发明授权

US08327396B2 Methods, systems, and apparatus for multi-purpose metering 有权
标题翻译：用于多用途计量的方法，系统和装置
公开(公告)号：US08327396B2
公开(公告)日：2012-12-04
申请号：US11957082
申请日：2007-12-14
申请人： Arun Ramaswamy , Charles C. Conklin , Wayne A. Olmsted , Karin Johnson , Fred Martensen , Daniel Nelson , Alexander Topchy , Paul M. Mears
发明人： Arun Ramaswamy , Charles C. Conklin , Wayne A. Olmsted , Karin Johnson , Fred Martensen , Daniel Nelson , Alexander Topchy , Paul M. Mears
IPC分类号： H04H60/32
CPC分类号： H04N21/44218 , H04L12/66 , H04L67/18 , H04L67/22 , H04N21/4126 , H04N21/4394 , H04N21/44213 , H04N21/4432 , H04N21/4436 , H04N21/4524 , H04W4/02
摘要： Methods and apparatus for multi-purpose metering are disclosed. An example method includes acquiring a rate of data transfer to/from the monitored location and comparing the acquired rate of data transfer to a threshold. The example method also includes setting at least one media monitoring device in a first bandwidth mode when the acquired rate of data transfer exceeds the threshold, and setting the at least one media monitoring device in a second bandwidth mode when the acquired rate of data transfer is below the threshold.
摘要翻译：公开了用于多用途计量的方法和装置。示例性方法包括获取到/从被监视位置的数据传输速率，并将所获取的数据传送速率与阈值进行比较。所述示例方法还包括当所获取的数据传输速率超过所述阈值时，将至少一个媒体监视设备设置为第一带宽模式，并且当所获取的数据传输速率是第二带宽模式时，将所述至少一个媒体监视设备设置为第二带宽模式低于门槛。

30. 发明申请

US20130246609A1 METHODS AND APPARATUS TO TRACK WEB BROWSING SESSIONS 有权
标题翻译：跟踪网络浏览会话的方法和设备
公开(公告)号：US20130246609A1
公开(公告)日：2013-09-19
申请号：US13421613
申请日：2012-03-15
申请人： Alexander Topchy , Jan Besehanic
发明人： Alexander Topchy , Jan Besehanic
IPC分类号： G06F15/173 , G06F17/30
CPC分类号： G06F17/30899
摘要： Methods and apparatus to tracker web browsing sessions are disclosed. An example method includes computing a sequence of numbers to be generated by a random number generator during a first browsing session associated with a browser given a first seed value; and determining whether a web site visit is associated with the first browsing session based on a received number.
摘要翻译：公开了跟踪网页浏览会话的方法和装置。示例性方法包括：计算在给定第一种子值的与浏览器相关联的第一浏览会话期间由随机数生成器生成的数字序列; 以及基于所接收的数量来确定网站访问是否与所述第一浏览会话相关联。

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