发明名称 INFORMATION DESCRIPTOR AND EXTENDED INFORMATION DESCRIPTOR DATA STRUCTURES FOR DIGITAL TELEVISION SIGNALS
摘要 According to an aspect, there is provided a digital television (DTV) data stream including program and system information protocol (PSIP) data associated with content of the DTV data stream, the PSIP data including a virtual channel table (VCT) and an event information table (EIT), the EIT comprising: a source identification field identifying a source of an associated event in a DTV data stream; an event identification field indicating an identification of the event; a start time field indicating a star time of the event; a title field indicating a title of the event; and a descriptor comprising: a descriptor tag identifying the descriptor as a genre descriptor; a descriptor length indicating a total length of the descriptor; and at least one category code for an associated event in a DTV data stream, each category code specifying genre, program type, or category information of the associated event, wherein the at least one category code specifies at least one of a set of basic categories.
申请公布号 US2013067517(A1) 申请公布日期 2013.03.14
申请号 US201213610346 申请日期 2012.09.11
申请人 CORL MARK T. 发明人 CORL MARK T.
分类号 H04N21/462 主分类号 H04N21/462
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