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发明授权
US09043829B2 Synchronization of user interactive events with on-screen events during playback of multimedia stream 有权
在播放多媒体流期间，用户交互式事件与屏幕上事件的同步

Synchronization of user interactive events with on-screen events during playback of multimedia stream
摘要：
A method includes receiving, at a multimedia device, a data stream representing multimedia content, the data stream comprising first timing information for the multimedia content, and metadata representing interactive event information associated with the multimedia content, the metadata comprising second timing information for the interactive event information. During the playback of the multimedia content, a first user interactive event is identified that is associated with a first time point in the playback of the multimedia content based on the interactive event information, and the first user interactive event is performed concurrent with the first time point in the playback of the multimedia content.
摘要（中）：

一种方法包括：在多媒体设备处接收表示多媒体内容的数据流，所述数据流包括用于所述多媒体内容的第一定时信息，以及表示与所述多媒体内容相关联的交互式事件信息的元数据，所述元数据包括用于所述互动的第二定时信息 事件信息。 在播放多媒体内容期间，基于交互式事件信息识别与多媒体内容的回放中的第一时间点相关联的第一用户交互式事件，并且第一次与第一用户交互事件并行执行 指向多媒体内容的播放。

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