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    • 1. 发明授权
    • Method and apparatus for storing or transmitting coding parameters separately from coded audio-visual data
    • 用于与编码的视听数据分开地存储或发送编码参数的方法和装置
    • US07623573B2
    • 2009-11-24
    • US10522089
    • 2003-07-12
    • Carsten HerpelHarald SchillerRalf OstermannEdgar PetersAxel Kochale
    • Carsten HerpelHarald SchillerRalf OstermannEdgar PetersAxel Kochale
    • H04N7/12H04N7/14
    • H04N21/235H04N19/46H04N19/70H04N21/435
    • Compression parameter sets are stored in files separate from the main AV or transmitted separately and prior to any subsequent transmission of AV data. The scope of parameter set identifiers is limited to not more than a Program Chain. Either existing files are extended by including the compression parameter sets directly, or separate files containing the compression parameter sets are created. In order to support easy authoring of compound content, it is proposed to amend each compression parameter set or groups of such parameter sets with scope period information, which can be based on time stamps, on file names, or on sector numbers on the disc. It is additionally proposed to employ an indirect referencing mechanism, where parameter set identifiers are referring to secondary tables, and where the entries of secondary tables are defined to be themselves identifiers referring in turn to entries of a common parameter set table provided once.
    • 压缩参数集存储在与主AV分离的文件中,或者在任何后续的AV数据传输之前单独传送。 参数集标识符的范围限制在不超过程序链。 通过直接包含压缩参数集来扩展现有文件,或创建包含压缩参数集的单独文件。 为了支持复合内容的容易创作,提出了修改每个压缩参数集或这些参数集的组,其范围周期信息可以基于时间戳,文件名或盘上的扇区号。 另外提出采用间接引用机制,其中参数集标识符是指二级表,并且次表的条目被定义为本身的标识符,依次引用一次提供的公共参数集表的条目。