Invention Grant
US5801781A Apparatus for converting moving picture stream of MPEG1 to transport
stream of MPEG2
失效
用于将MPEG1的运动图像流转换为MPEG2的传输流的装置
- Patent Title: Apparatus for converting moving picture stream of MPEG1 to transport stream of MPEG2
- Patent Title (中): 用于将MPEG1的运动图像流转换为MPEG2的传输流的装置
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Application No.: US666788Application Date: 1996-06-19
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Publication No.: US5801781APublication Date: 1998-09-01
- Inventor: Shuuichi Hiroshima , Akihiro Okada , Masayuki Ozawa , Mamoru Udagawa
- Applicant: Shuuichi Hiroshima , Akihiro Okada , Masayuki Ozawa , Mamoru Udagawa
- Applicant Address: JPX Kawasaki
- Assignee: Fujitsu Limited
- Current Assignee: Fujitsu Limited
- Current Assignee Address: JPX Kawasaki
- Priority: JPX7-295130 19951114
- Main IPC: H04N19/40
- IPC: H04N19/40 ; H04N7/24 ; H04N19/00 ; H04N19/426 ; H04N19/46 ; H04N19/70 ; H04N19/85 ; H04N7/01
Abstract:
A demultiplexer receives an MPEG1 system stream obtained by multiplexing encoded data of video and audio and separates the stream into elementary streams (ES) of video and audio. A packetizer forms packetized elementary streams (PES) of MPEG2. Finally, a multiplexer divides the stream into transport packets each having a prefixed length of 188 bytes and, after that, converts the stream to an MPEG2 transport stream (TS).
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