Optical disc player system and method of controlling a...

Details Optical disc player system and method of controlling a... Optical disc player system and method of controlling a...

2006-04-11

2009-06-30

Tran, Thai (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

C386S349000, C386S349000, C386S349000, C348S177000, C348S553000

Reexamination Certificate

active

07555201

ABSTRACT:
In a method of controlling multiple decoders in an optical disc player system to read encoded bitstream data divided into multiple sectors from a buffer memory, one of the sectors stored in the buffer memory is read according to a reading pointer associated with one of the decoders that sent out a bitstream request. When a header portion of the sector that is being read from the buffer memory indicates a bitstream type corresponding to that of the bitstream request, a data portion of the sector is transferred to the decoder that sent out the bitstream request, and the reading pointer is adjusted to point to a next one of the sectors stored in the buffer memory. An optical disc player system for implementing the method and an optical disc player system capable of saving the memory bandwidth between a bitstream demultiplexer and a memory are also disclosed.

REFERENCES:
patent: 6275618 (2001-08-01), Kodama
patent: 6314518 (2001-11-01), Linnartz
patent: 6463209 (2002-10-01), Schultz et al.
patent: 6466736 (2002-10-01), Chen et al.
patent: 6647202 (2003-11-01), Yamaguchi et al.
patent: 2003/0077075 (2003-04-01), Choi

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