Coded data generation or conversion – Digital code to digital code converters – Adaptive coding
Reexamination Certificate
2007-01-23
2007-01-23
Young, Brian (Department: 2819)
Coded data generation or conversion
Digital code to digital code converters
Adaptive coding
Reexamination Certificate
active
10536648
ABSTRACT:
The present invention provides an apparatus and method for switching between particular decoders within a plurality of decoders, each decoder adapted to decode bit streams having a unique format. The apparatus comprises format detectors which output format indicators based on information from the bit stream. Logic responsive to the format detector output may determine a particular decoder among the plurality of decoders. The particular decoder determined by the logic decodes the formatted bit stream. At least one switch, responsive to the determination of the logic, connects the formatted bit stream to the particular decoder. The format detectors detect at least one of the frame information, or start code, the packet header information, and the code word values in a portion of a coded content of the bit stream, wherein the code word values, derivatives thereof, or a pattern of code word values, are unique to the bit stream format.
REFERENCES:
patent: 6324515 (2001-11-01), Rabipour et al.
patent: 6330666 (2001-12-01), Wise et al.
patent: 6977877 (2005-12-01), Mori
patent: 2001/0024568 (2001-09-01), Mori
Chu Shiqiang
Shen Richard Chi-Te
Koninklijke Philips Electronics , N.V.
Young Brian
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