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    • 2. 发明授权
    • Method and system for multimedia video processing
    • 多媒体视频处理方法与系统
    • US06757005B1
    • 2004-06-29
    • US09952339
    • 2001-09-14
    • Moshe ElbazNoam EshkoliIlan YonaAviv Eiesenberg
    • Moshe ElbazNoam EshkoliIlan YonaAviv Eiesenberg
    • H04N714
    • H04N7/152H04N19/115H04N19/117H04N19/12H04N19/132H04N19/134H04N19/137H04N19/152H04N19/17H04N19/176H04N19/184H04N19/186H04N19/33H04N19/40H04N19/42H04N19/46H04N19/51H04N19/59H04N19/61H04N19/70
    • An improved method and a system of utilizing the decoding/encoding video resources of a Video Processing Device (VPD) by offering a distributed architecture. A conventional VPD comprises a plurality of video ports, each video port is dedicated to a user and comprises at least one decoder and one encoder. The distributed VPD comprises a plurality of input ports and a plurality of output ports. Each input port includes an input module. The input module is operative to receive a compressed video input stream, manipulate the compressed video stream into a primary stream and optionally generate a secondary data stream associated with the primary data stream. A variety of levels of service for a session can be offered. A client may select the number of ports that will be used by the session. For example, a single port may multicast its compressed output video stream to all the destinations within a session, or to all destinations within a plurality of ports. The multicasting may be such that there is anywhere from one port for each group of destinations using the same compressed video stream to one port for each user.
    • 通过提供分布式架构来利用视频处理设备(VPD)的视频资源的解码/编码的改进方法和系统。 传统的VPD包括多个视频端口,每个视频端口专用于用户,并且包括至少一个解码器和一个编码器。 分布式VPD包括多个输入端口和多个输出端口。 每个输入端口包括一个输入模块。 输入模块可操作以接收压缩视频输入流,将压缩的视频流操纵成主流并且可选地生成与主数据流相关联的辅助数据流。 可以提供各种会话级别的服务。 客户端可以选择会话使用的端口数量。 例如,单个端口可以将其压缩输出视频流多播到会话内的所有目的地,或多个端口内的所有目的地。 多播可以使得对于每个目的地的一组端口的任何地方使用相同的压缩视频流到每个用户的一个端口。
    • 5. 发明授权
    • Delay reduction for transmission and processing of video data
    • 视频数据的传输和处理的延迟减少
    • US07535485B2
    • 2009-05-19
    • US10344792
    • 2001-08-14
    • Moshe ElbazNoam EshkoliIlan YonaAviv Eisenberg
    • Moshe ElbazNoam EshkoliIlan YonaAviv Eisenberg
    • H04N7/14H04L12/26
    • H04N7/148H04N19/174H04N19/176H04N19/40H04N19/61H04N21/234363H04N21/2662
    • The present invention is a method and system for reducing delay in video communication, including, for example, video transcoding and continuous presence in a multipoint multimedia conference. The video communication control unit reduces such delay by processing a video stream in a small number of macroblocks referred to as “chunks,” without waiting to get a full frame of video data. Instead, the incoming video stream is converted into decoded chunks. These decoded chunks are transferred to an output module without waiting to decode an entire frame. An encoder in the output module encodes the decoded chunks (also referred to as encoder chunks), and transfers them to an end user without waiting for the entire frame to be processed. Thus, reducing the delay in waiting for the entire frame of video data provides improved real-time video communication.
    • 本发明是一种用于减少视频通信延迟的方法和系统,包括例如视频转码和多点多媒体会议中的连续存在。 视频通信控制单元通过处理被称为“块”的少量宏块中的视频流来减少这种延迟,而不等待获得全帧的视频数据。 相反,输入的视频流被转换成解码的块。 这些解码的块被传送到输出模块,而不等待解码整个帧。 输出模块中的编码器对已解码的块(也称为编码器块)进行编码,并将其传送到最终用户,而无需等待处理整个帧。 因此,减少等待整个视频数据帧的延迟提供了改进的实时视频通信。