Application enhancement tracks
    4.
    发明授权
    Application enhancement tracks 有权
    应用程序增强轨迹

    公开(公告)号:US08997161B2

    公开(公告)日:2015-03-31

    申请号:US12260404

    申请日:2008-10-29

    摘要: Systems and methods of providing enhanced digital media playback through application enhancement tracks are described. Application enhancement tracks are derived from the main content that they are associated with and are encoded to aid the performance of one or more functions related to the content, such as visual-search using a video application enhancement track, or trick-play track. In several embodiments, a method of decoding a media file for play back includes obtaining a media file containing compressed content and an accompanying application enhancement track which is a subset of the compressed content, playing back the compressed content, and decoding frames of the application enhancement track at a rate proportional to a visual-search speed and from a location determined by the portion of the compressed content most recently played back.

    摘要翻译: 描述通过应用增强轨道提供增强的数字媒体播放的系统和方法。 应用增强轨道是从它们相关联的主要内容导出的,并且被编码以帮助执行与内容相关的一个或多个功能,例如使用视频应用增强轨迹或特技播放轨迹的视觉搜索。 在多个实施例中,对媒体文件进行再现的方法进行解码,包括获得包含压缩内容的媒体文件和作为压缩内容的子集的伴随的应用增强音轨,播放压缩内容以及解码应用增强帧 以与视觉搜索速度成比例的速率和从由最近回放的压缩内容的部分确定的位置跟踪。