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    • 7. 发明授权
    • System for video, audio, and graphic presentation in tandem with video/audio play
    • 视频,音频和图形演示的系统与视频/音频播放相结合
    • US06314569B1
    • 2001-11-06
    • US09200212
    • 1998-11-25
    • Richard Steven ChernockPaolo DettoriFrank Andre SchaffaDavid Israel Seidman
    • Richard Steven ChernockPaolo DettoriFrank Andre SchaffaDavid Israel Seidman
    • H04N5445
    • H04N21/431H04N21/4725
    • A method for displaying an enhanced multimedia presentation including personalized supplementary audio, video, and graphic content selectable by a user and rendered by a receiving device, comprises the steps of: communicating a multimedia presentation file to the receiving device, the multimedia presentation file comprising base multimedia presentation content and, frame-synchronized information including starting frame timing identifier, ending frame timing identifier, starting frame spatial coordinates, ending frame spatial coordinates, and motion vector specifications for describing frame-accurate location, motion and timing of the personalized supplementary audio, video, and graphic content, the frame-synchronized information indicating one or more free areas of the multimedia presentation absent significant base multimedia content; extracting the frame-synchronized information from the multimedia presentation file; retrieving the personalized supplementary content from the receiving device; decoding the personalized supplementary content at a time sufficiently in advance of the starting frame timing identifier; and the receiving device selecting an indicated free area and initiating display of one or more items of the personalized supplementary content at frame-accurate times between the starting frame timing identifier and ending frame timing identifier at the frame coordinates in accordance with the frame-synchronized information.
    • 一种用于显示增强型多媒体呈现的方法,包括由用户选择并由接收设备呈现的个性化补充音频,视频和图形内容,包括以下步骤:将多媒体呈现文件传送到接收设备,所述多媒体呈现文件包括基础 多媒体呈现内容,以及帧同步信息,包括起始帧定时标识符,结束帧定时标识符,起始帧空间坐标,结束帧空间坐标和用于描述个性化补充音频的帧精确位置,运动和定时的运动矢量规范, 视频和图形内容,指示多媒体呈现的一个或多个空闲区域的帧同步信息不存在有效的基本多媒体内容; 从多媒体呈现文件中提取帧同步信息; 从接收设备检索个性化补充内容; 在开始帧定时标识符之前足够的时间解码个性化补充内容; 所述接收装置根据帧同步信息,选择所指示的空闲区域,并且在所述帧坐标处的所述起始帧定时标识符和结束帧定时标识符之间的帧精确时刻开始显示所述个性化补充内容中的一个或多个项目 。