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    • 5. 发明申请
    • ABR ALLOCATION FOR STATISTICAL MULTIPLEXING
    • 用于统计多路复用的ABR分配
    • WO2017053234A1
    • 2017-03-30
    • PCT/US2016/052505
    • 2016-09-19
    • IMAGINE COMMUNICATIONS CORP.
    • BOTSFORD, NelsonSCHMIDT, Robert L.
    • H04N21/2662H04N21/2365
    • H04L65/607H04L65/4076H04L65/4084H04L65/602H04L65/80H04L67/02
    • As one example, a method includes analyzing profile metadata for each of a plurality of ABR program streams within a lookahead window from a current chunk boundary to identify at least one target event at a chunk boundary. ABR profiles for chunks at the target event chunk boundary are allocated to fit within the channel bandwidth and achieve a predetermined target quality level for the chunks at the target event chunk boundary. In response to each target event, ABR profiles for each of the unallocated chunks within the lookahead window are selected by adjusting the ABR profiles for each of the unallocated chunks to fit within the predetermined bandwidth constrained by the ABR profiles allocated for the chunks at the target event chunk boundary. An ABR profile for a given chunk at the current chunk boundary is allocated based on the selected ABR profiles.
    • 作为一个示例,一种方法包括从目前的块边界分析在前瞻性窗口内的多个ABR程序流中的每一个的概况元数据,以识别块边界处的至少一个目标事件。 在目标事件块边界处的块的ABR简档被分配以适应信道带宽,并且在目标事件块边界处为块获得预定的目标质量等级。 响应于每个目标事件,通过调整每个未分配块的ABR简档来选择在前瞻性窗口内的每个未分配块的ABR简档,以适应在由目标的块分配的ABR简档约束的预定带宽内 事件块边界。 基于所选择的ABR轮廓来分配在当前块边界处的给定块的ABR轮廓。
    • 6. 发明申请
    • NULL-GATING SIGNAL DETECTION
    • 空值信号检测
    • WO2015116334A1
    • 2015-08-06
    • PCT/US2014/072056
    • 2014-12-23
    • IMAGINE COMMUNICATIONS CORP.
    • CHIZEVSKY, William TY
    • G01R21/133G06F1/28
    • H04L7/0037H03M1/345H04B1/10H04H40/18H04H2201/20H04L7/033H04L25/061
    • One embodiment includes a circuit system. The system includes a power detector configured to convert an AC signal to a DC signal corresponding to a power amplitude associated with the AC signal. The AC signal can include a periodic signal power null. The system also includes a null-gating circuit comprising a logic switch that is activated to enable sampling of an amplitude of the DC signal and that is deactivated during the periodic signal power null. The system also includes an analog-to-digital converter (ADC) configured to convert the sampled DC signal to a digital signal. The system further includes a processor configured to process the digital signal.
    • 一个实施例包括电路系统。 该系统包括功率检测器,其被配置为将AC信号转换成对应于与AC信号相关联的功率幅度的DC信号。 AC信号可以包括周期性信号功率为零。 该系统还包括零门控电路,其包括逻辑开关,逻辑开关被激活以能够对DC信号的振幅进行采样,并且在周期性信号功率无效期间被去激活。 该系统还包括被配置为将采样的DC信号转换成数字信号的模拟 - 数字转换器(ADC)。 该系统还包括配置成处理数字信号的处理器。
    • 8. 发明申请
    • VIDEO STREAM TRANSMISSION OVER IP NETWORK
    • 视频流传输IP网络
    • WO2016149094A1
    • 2016-09-22
    • PCT/US2016/022002
    • 2016-03-11
    • IMAGINE COMMUNICATIONS CORP.
    • BOTSFORD, NelsonSUKHTANKAR, Satyen
    • H04N21/236H04N21/2365H04N21/2381H04N21/6437
    • H04L65/608H04L47/41H04L65/4069H04L65/602
    • A system includes a first buffer that stores first media packets therein received from a first media stream. A second buffer stores second media packets therein received from a second media stream. The first media stream and the second media stream include redundant media content. A combiner reads media packets from each of the first and second buffers, and the combiner discards a given duplicate media packet read from one of the first or second buffers that has been identified as being identical to another of the media packets read from the other of the buffers based on analysis of a predetermined identifier in each of the media packets read from the first and second buffers. The combiner provides an output stream of media packets that includes only one of the identical media packets read from the first and second buffers.
    • 系统包括存储从第一媒体流接收的第一媒体分组的第一缓冲器。 第二缓冲器存储从第二媒体流接收的第二媒体分组。 第一媒体流和第二媒体流包括冗余媒体内容。 组合器从第一和第二缓冲器中的每一个读取媒体分组,并且组合器丢弃从已被标识为与从另一个中读取的另一个媒体分组相同的第一或第二缓冲器中的一个读取的给定重复媒体分组 基于从第一和第二缓冲器读取的每个媒体分组中的预定标识符的分析的缓冲器。 组合器提供媒体分组的输出流,其仅包括从第一和第二缓冲器读取的相同的媒体分组中的一个。