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Patent Searching and Data


Title:
MPEG2 DECODING PROCESSING METHOD
Document Type and Number:
Japanese Patent JP3206649
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To enable display of picture streams on two screens when plural channels are simultaneously supplied by decoding and displaying two kinds of picture streams by using two kinds of PID(packet identification) to be set when frame rate conversion is performed.
SOLUTION: The stream 2 to be reproduced is set by utilizing picture PID 1 and RFF(repeat first field) period of the stream of a 24 Hz film format to be reproduced. Display of two picture PID streams (Top 5/Bottom 5 and Top A/Bottom A) is enabled by performing a decoding processing on one picture PID stream when the other picture PID stream is at a stand-by state by performing decoding/display of Top 1/Bottom 1, decoding/display of Top 2/ Bottom 2 with the RFF, decoding of the Top A of the picture PID 2, display of the Bottom 2 and operation to return to a decoding processing of the stream 1, etc.


Inventors:
Kiuchi, Akinori
Application Number:
JP1998000160724
Publication Date:
July 06, 2001
Filing Date:
June 09, 1998
Export Citation:
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Assignee:
NEC CORP
International Classes:
H04N19/132; H04N7/24; H04N19/00; H04N19/134; H04N19/162; H04N19/44; H04N19/46; H04N19/70; (IPC1-7): H04N7/24
Attorney, Agent or Firm:
金田 暢之 (外2名)