Variable length decoding device

Details Variable length decoding device Variable length decoding device

2006-09-05

2006-09-05

Barnie, Rexford (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

C341S063000, C341S065000, C382S245000, C382S246000, C382S250000

Reexamination Certificate

active

07102551

ABSTRACT:
A variable length decoding device for decoding variable length coding data and run length coding data according to the present invention comprises a variable length decoding unit3for serially decoding the variable length coding data and the run length coding data inputted from outside in a state in which “RUN” representing number of “0” and “LEVEL” representing a magnitude of a coefficient value are combined, a data buffer4for storing the “LEVEL”, address retainers5and6for retaining an address of the “LEVEL” corresponding to the “RUN” based on the number of “0” indicated by the “RUN”, a write control unit7for writing the “LEVEL” in the data buffer4based on the information of the address retainers, and a read control unit8for reading the “LEVEL” from the data buffer4based on the information of the address retainers.

REFERENCES:
patent: 5369405 (1994-11-01), Choi et al.
patent: 5689254 (1997-11-01), Fujiwara et al.
patent: 6967600 (2005-11-01), Kadono et al.
patent: 6987811 (2006-01-01), Tanaka et al.
patent: 8-167856 (1996-06-01), None

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