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    • 35. 发明授权
    • Device and method for quality assessment of encrypted streaming media flows
    • 加密流媒体流量质量评估的设备和方法
    • US09143838B2
    • 2015-09-22
    • US13225447
    • 2011-09-04
    • Nery Strasman
    • Nery Strasman
    • G06F17/15H04N21/647
    • H04N21/64723H04L63/0457H04L65/607
    • A device, computer program product and a method, the method may include: extracting a first size information about sizes of different frames of a first segment of an encrypted first streaming media flow that has a first constant bit rate (CBR); extracting second size information about sizes of different frames of a second segment of a second streaming media flow that has a second CBR; and determining a relationship between qualities of the first and second streaming media flows based on the first and second size information; wherein the extracting of the first and second size information and the determining of the relationship are executed without decrypting the first and second encrypted streaming media flows.
    • 一种设备,计算机程序产品和方法,所述方法可以包括:提取关于具有第一恒定比特率(CBR)的加密的第一流媒体流的第一段的不同帧的大小的第一大小信息; 提取关于具有第二CBR的第二流媒体流的第二段的不同帧的大小的第二大小信息; 以及基于所述第一和第二大小信息确定所述第一和第二流媒体流的质量之间的关系; 其中在不解密所述第一和第二加密流媒体流的情况下执行所述第一和第二大小信息的提取以及所述关系的确定。
    • 37. 发明授权
    • Buffer delay reduction
    • 缓冲延迟降低
    • US08355450B1
    • 2013-01-15
    • US12248892
    • 2008-10-09
    • Amit EshetModi FinkelsteinNery Strasman
    • Amit EshetModi FinkelsteinNery Strasman
    • H04N7/12
    • H04N21/4384H04N21/44004
    • A system, method and computer program product, the method includes: locating within a media stream video of interest that starts at a random access point and ends at a packet associated with timing information that corresponds to a decoding time stamp of the random access point; modifying the video of interest to provide modified video of interest; wherein the modifying comprises modifying timing information associated with a beginning of the random access point to reflect a difference between the decoding time stamp and a transmission duration of the modified video of interest to a user; receiving a request, from the user, to perform a channel change and start receiving a channel that comprises the modified video of interest; and transmitting to the user the modified video of interest.
    • 一种系统,方法和计算机程序产品,所述方法包括:定位在随机接入点开始的感兴趣的媒体流视频,并以与随机接入点的解码时间戳对应的定时信息相关联的分组结束; 修改感兴趣的视频以提供感兴趣的修改的视频; 其中所述修改包括修改与所述随机接入点的开始相关联的定时信息,以反映所述解码时间戳与所述感兴趣的修改的视频的传输持续时间之间的差异; 从用户接收请求以执行频道改变并开始接收包括所述修改的感兴趣的视频的频道; 以及向用户传送感兴趣的修改的视频。
    • 38. 发明授权
    • Method and system for rate-shaping and transmitting media streams
    • 速率整形和传输媒体流的方法和系统
    • US08175175B1
    • 2012-05-08
    • US11692939
    • 2007-03-29
    • Nery StrasmanHarold Roberts
    • Nery StrasmanHarold Roberts
    • H04K1/10
    • H04L47/22H04W28/02
    • A method for rate-shaping media streams; the method includes: receiving multiple input media streams, transmission parameters, wired transmission limitations and wireless transmission limitations that represent a current status of a wireless medium; and rate-shaping at least one input media stream out of the multiple input media streams, in response to: (i) the transmission parameters, (ii) the wireless transmission limitations, and (iiii) input media stream parameters. A system for processing media streams; the system includes: a controller, adapted to determine rate-shaping parameters in response to: (i) the transmission parameters, (ii) the wireless transmission limitations, and (iii) input media stream parameters; and a rate-shaper, connected to the processor, adapted to receive multiple input media streams and perform rate-shaping according to the rate-shaping parameters.
    • 媒体流速率整形的方法 该方法包括:接收表示无线介质的当前状态的多个输入媒体流,传输参数,有线传输限制和无线传输限制; 以及响应于:(i)传输参数,(ii)无线传输限制和(iiii)输入媒体流参数,对多个输入媒体流中的至少一个输入媒体流进行速率整形。 一种处理媒体流的系统; 该系统包括:控制器,适于响应于:(i)传输参数,(ii)无线传输限制和(iii)输入媒体流参数来确定速率整形参数; 以及速率整形器,连接到处理器,适于接收多个输入媒体流,并根据速率整形参数执行速率整形。
    • 39. 发明授权
    • Method and system for compressing groups of basic media data units
    • 用于压缩基本媒体数据单元组的方法和系统
    • US07366239B1
    • 2008-04-29
    • US11045671
    • 2005-01-26
    • Amir LeventerNery Strasman
    • Amir LeventerNery Strasman
    • H04N11/02H04N7/12
    • H04N19/115H04N19/124H04N19/147H04N19/172H04N19/174H04N19/176H04N19/19H04N19/40
    • The invention provides a method for compressing a group of basic media data units, the method comprising the steps of: (a) receiving the group of basic media data units; (b) for each basic media data unit of the group performing the steps of: (b1) partially decoding the basic media data unit; (b2) determining whether to reduce the size of the basic media data unit of the received block in view of a predefined relationship between a predefined compression ratio (PCRA) and a residual ratio (RR); (b3) reducing the size of the basic media data unit, in view of the determination, such that an optimal reduction to quality degradation of the basic media data block is achieved; and (b4) partially encoding the basic media data unit.
    • 本发明提供一种压缩一组基本媒体数据单元的方法,该方法包括以下步骤:(a)接收基本媒体数据单元组; (b)对于执行以下步骤的组的每个基本媒体数据单元:(b1)部分地解码基本媒体数据单元; (b2)考虑到预定压缩比(PCRA)和剩余比率(RR)之间的预定关系,确定是否减小接收块的基本媒体数据单元的大小; (b3)考虑到确定,减小基本媒体数据单元的大小,使得实现基本媒体数据块的质量劣化的最佳降低; 和(b4)部分编码基本媒体数据单元。