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    • 2. 发明申请
    • ENHANCED CAPTIONING DATA FOR USE WITH MULTIMEDIA CONTENT
    • 增强使用多媒体内容的数据
    • US20090150951A1
    • 2009-06-11
    • US11951996
    • 2007-12-06
    • Armstrong SooBernard KuZhi Li
    • Armstrong SooBernard KuZhi Li
    • H04N7/173H04N7/08
    • H04N21/8133H04N7/0885H04N21/435H04N21/44008
    • An enhanced captioning module suitable for use in a multimedia reception and display system includes an interface to receive a set of multimedia elements representative of at least a portion of multimedia content, a detection unit to determine a type of at least a portion of the multimedia elements and to assert a trigger signal when the multimedia element has a selected type, and a hash unit to generate a hash value corresponding to the “triggering” multimedia element. The module may further include a message unit to generate an enhanced captioning message that is deliverable to an enhanced captioning database. The enhanced captioning message may include information indicative of the hash value and the enhanced captioning database may include enhanced captioning data corresponding to the multimedia content. The enhanced captioning database may be configured to be indexed by the hash value.
    • 适用于多媒体接收和显示系统的增强字幕模块包括:接收表示多媒体内容的至少一部分的一组多媒体元素的接口;检测单元,用于确定多媒体元素的至少一部分的类型 并且当所述多媒体元素具有所选择的类型时,断言触发信号,以及用于生成与所述“触发”多媒体元素相对应的散列值的散列单元。 该模块还可以包括消息单元,以产生可递送到增强字幕数据库的增强字幕消息。 增强字幕消息可以包括指示散列值的信息,并且增强字幕数据库可以包括对应于多媒体内容的增强字幕数据。 增强字幕数据库可以被配置为由哈希值索引。