发明名称 |
APPARATUS AND METHOD FOR DTV CLOSED-CAPTIONING PROCESSING IN BROADCASTING AND COMMUNICATION SYSTEM |
摘要 |
An apparatus for extracting and creating a closed caption of a DTV stream in broadcasting and communication system, the apparatus comprising: a demultiplexer to receive the stream and demultiplex the received stream into additional information and a video stream; a decoder to receive and decode the video stream; an ST converter to receive PTS information, and convert PTS information into synchronization time information; a storage unit to store the demultiplexed additional information; an analyzer to receive the additional information and analyze CSD information; a closed caption extractor to receive the decoded data and the CSD information, and extract closed caption data; a closed caption file creator to create a closed caption file; a closed caption data processing unit to construct a segment-by-segment closed caption stream; a segmentation unit to construct a segment-by-segment stream; and a keyword search unit to provide the segment-by-segment stream corresponding to the keyword.
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申请公布号 |
US2011149153(A1) |
申请公布日期 |
2011.06.23 |
申请号 |
US20100973291 |
申请日期 |
2010.12.20 |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
发明人 |
NAM JEHO;KIM JUNG-YOUN;HONG JIN-WOO;SHIN SANG-KWON;AHN SANGWOO;CHEONG WON-SIK;CHOO HYON-GON;LEE JOO-YOUNG |
分类号 |
H04N7/00 |
主分类号 |
H04N7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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