System and method for seamless switching through buffering
    4.
    发明授权
    System and method for seamless switching through buffering 有权
    通过缓冲无缝切换的系统和方法

    公开(公告)号:US09538257B2

    公开(公告)日:2017-01-03

    申请号:US14065132

    申请日:2013-10-28

    Abstract: A method of preparing data streams to facilitate seamless switching between such streams by a switching device to produce an output data stream without any switching artifacts. Bi-directional switching between any plurality of data streams is supported. The data streams are divided into segments, wherein the segments include synchronized starting points and end points. The data rate is increased before an end point of a segment, to create switch gaps between the segments. Increasing the data rate can include increasing a bandwidth of the plurality of data streams, for example by multiplexing, or compressing the data.The present invention can be used, for example, with MPEG or AC-3 encoded audio and MPEG encoded video segments that are multiplexed into MPEG-2 transport streams.Also included are specific methods for preparing MPEG video streams and multiplexing MPEG video with MPEG or AC-3 audio streams to allow a receiver to create seamless transitions between individually encoded segments.

    Abstract translation: 还包括用于准备MPEG视频流和用MPEG或AC-3音频流复用MPEG视频的特定方法,以允许接收机在单独编码的段之间创建无缝转换。

    Time Compressing Video Content
    7.
    发明申请
    Time Compressing Video Content 审中-公开
    时间压缩视频内容

    公开(公告)号:US20150350496A1

    公开(公告)日:2015-12-03

    申请号:US14824807

    申请日:2015-08-12

    Abstract: Methods and systems for compressing video content are presented. The methods and systems include analyzing a sequence of media frames stored in the memory device and calculating a displacement level of each of the media frames. The displacement level indicates how different each of the media frames is to a previous media frame. The sequence of media frames is divided into a plurality of cuts where each cut ends at a media frame having a substantially high displacement level. Frames to be removed from the sequence of media frames are identified in each cut based upon the frame's displacement level. The identified frames are then removed.

    Abstract translation: 介绍了压缩视频内容的方法和系统。 所述方法和系统包括分析存储在存储器装置中的一系列媒体帧并计算每个媒体帧的位移水平。 位移水平指示每个媒体帧与先前媒体帧的不同之处。 介质框架的顺序被分成多个切口,其中每个切口在具有基本高位移水平的介质框架处终止。 基于帧的位移水平,在每个切割中识别要从媒体帧序列中移除的帧。 然后删除所识别的帧。

    System and method for seamless switching through buffering

    公开(公告)号:US10341696B2

    公开(公告)日:2019-07-02

    申请号:US15393454

    申请日:2016-12-29

    Abstract: A method of preparing data streams to facilitate seamless switching between such streams by a switching device to produce an output data stream without any switching artifacts. Bi-directional switching between any plurality of data streams is supported. The data streams are divided into segments, wherein the segments include synchronized starting points and end points. The data rate is increased before an end point of a segment, to create switch gaps between the segments. Increasing the data rate can include increasing a bandwidth of the plurality of data streams, for example by multiplexing, or compressing the data. The present invention can be used, for example, with MPEG or AC-3 encoded audio and MPEG encoded video segments that are multiplexed into MPEG-2 transport streams. Also included are specific methods for preparing MPEG video streams and multiplexing MPEG video with MPEG or AC-3 audio streams to allow a receiver to create seamless transitions between individually encoded segments.

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