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    • 71. 发明申请
    • METHOD AND SYSTEM FOR ENABLING VIDEO TRICK MODES
    • 用于实现视频跟踪模式的方法和系统
    • US20090257508A1
    • 2009-10-15
    • US12400250
    • 2009-03-09
    • Gaurav AggarwalMarcus KellermanDavid EricksonRobert TosiWade Wan
    • Gaurav AggarwalMarcus KellermanDavid EricksonRobert TosiWade Wan
    • H04N7/12
    • H04N5/783
    • A video processing system is operable to perform one or more display queue trick (DQT) operations utilizing decoded frames queued in memory. The decoded frames are generated from the start of random access points (RAPs) in frame segments in an encoded video stream. Location of RAPs may be determined during decoding of the encoded video stream. Exemplary encoding scheme comprise MPEG, AVC and/or VC1. The DQT modes include forward and/or reverse display modes. The used frames are selected based on determination of DQT mode parameters, queuing limitations and/or frame properties of selected and/or unselected frames in the frame segments. Frame properties comprise frame discardability and/or display inter-frame dependencies between selected and/or unselected frames. The video processing system is operable to jump to preceding and/or subsequent RAPs during DQT mode operations. The video processing system is also operable to skip one or more RAPs during such jumps.
    • 视频处理系统可操作以利用在存储器中排队的解码帧来执行一个或多个显示队列特技(DQT)操作。 经编码的视频流中的帧段中的随机接入点(RAP)的开始生成解码的帧。 可以在编码视频流的解码期间确定RAP的位置。 示例性编码方案包括MPEG,AVC和/或VC1。 DQT模式包括正向和/或反向显示模式。 所使用的帧是基于帧段中所选择和/或未选帧的DQT模式参数,排队限制和/或帧属性的确定来选择的。 帧属性包括帧选择和/或未选帧之间的帧可丢弃性和/或显示帧间相关性。 视频处理系统可操作以在DQT模式操作期间跳转到先前和/或后续RAP。 视频处理系统还可操作以在这样的跳跃期间跳过一个或多个RAP。
    • 72. 发明申请
    • SYSTEMS AND METHODS FOR USING TRANSPORT STREAM SPLICING FOR PROGRAMMING INFORMATION SECURITY
    • 使用运输流程分发来编程信息安全的系统和方法
    • US20090228709A1
    • 2009-09-10
    • US12043016
    • 2008-03-05
    • Marcus Kellerman
    • Marcus Kellerman
    • H04L9/06
    • H04L9/3247H04L2209/608
    • Apparatus and methods for indicating the identity of a device for receiving and retransmitting programming information. The device, which may be a set-top box or suitable communication network receiver, may be configured to receive a broadcast signal from an antenna, which may be a satellite, a cable, an electronic communication network or any other suitable source. The programming information may be any type of audio or video data, or any other suitable type of data. The broadcast signal may have multiple channels that include the programming information. Each of the channels may include a distinct watermark. The device may splice between the channels to generate a signature that the device may embed in an output data stream that may be used to display or perform the programming information.
    • 用于指示用于接收和重传节目信息的设备的身份的装置和方法。 该设备可以是机顶盒或合适的通信网络接收器,可被配置为从天线接收广播信号,天线可以是卫星,电缆,电子通信网络或任何其它合适的源。 编程信息可以是任何类型的音频或视频数据,或任何其他合适类型的数据。 广播信号可以具有包括节目信息的多个频道。 每个通道可以包括不同的水印。 设备可以在通道之间拼接以产生设备可嵌入可用于显示或执行节目信息的输出数据流中的签名。