Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Reexamination Certificate
2004-06-10
2009-10-20
Harvey, David E (Department: 2621)
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
C386S349000
Reexamination Certificate
active
07606464
ABSTRACT:
A data stream inputted to the inventive system from the outside is supplied to a PID (packet ID) extracting circuit1, in which a PID is detected from a transport stream TS regardless of whether the transport stream TS is a full transport stream TS or a partial transport stream TS. The PID extracting circuit1transmits the thus extracted PID and data stream to a TS replacing/deleting circuit2. The TS replacing/deleting circuit2has n 188-byte buffers and is able to set replaced TS packets to the buffers. A control circuit3such as a CPU (central processing unit) designates m PIDs relative to the respective buffers and designates the respective PIDs as the PID of the packet to be deleted or the PID of the packet to be replaced. Then, the TS replacing/deleting circuit2compares the PID received from the PID extracting circuit1with the PID designated by the control circuit3. If they are identical to each other, then the PID that is set to be replaced is replaced and the PID that is set to be deleted is deleted. Thus, the packet indicative of attribute of data can be replaced satisfactorily.
REFERENCES:
patent: 2002/0067744 (2002-06-01), Fujii et al.
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Kudo Tomoaki
Sato Tomoyuki
Sumioka Tetsuji
Takeshita Jun
Harvey David E
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Sony Corporation
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