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Method and apparatus for multiplexing separately-authored metadata for insertioninto a video data stream

机译：用于多路复用单独创作的元数据以插入视频数据流的方法和装置

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An authoring system for interactive video has two or more authoring stations for providing authored metadata to be related to a main video data stream and a multiplexer for relating authored metadata from the authoring sources to the main video data stream. The authoring stations annotate created metadata with presentation time stamps (PTS) from the main video stream, and the multiplexer relates the metadata to the main video stream by the PTS signatures. In analog streams PTS may be created and integrated. In some embodiments there may be multiple and cascaded systems, and some sources may be stored sources. Various methods are disclosed for monitoring and compensating time differences among sources to ensure time coordination in end product. In different embodiments transport of metadata to an end user station is provided by Internet streaming, VBI insertion or by Internet downloading. User equipment is enhanced with hardware and software to coordinate and present authored material with the main data stream.
机译：用于交互式视频的创作系统具有两个或更多个创作站，用于提供与主要视频数据流相关的创作元数据，以及用于将创作源中的创作元数据与主要视频数据流相关联的多路复用器。创作站使用来自主视频流的演示时间戳（PTS）注释创建的元数据，并且多路复用器通过PTS签名将元数据与主视频流相关联。在模拟流中，可以创建和集成PTS。在一些实施例中，可以有多个级联的系统，并且一些源可以是存储的源。公开了用于监视和补偿源之间的时间差以确保最终产品中的时间协调的各种方法。在不同的实施例中，通过因特网流，VBI插入或通过因特网下载来提供元数据到终端用户站的传输。用户设备通过硬件和软件得到增强，以与主要数据流协调并呈现创作的资料。

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