Decoding circuit for variable length code in which positive/nega

Details Decoding circuit for variable length code in which positive/nega Decoding circuit for variable length code in which positive/nega

1995-05-19

1997-10-28

Gaffin, Jeffrey A.

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

341106, H03M 742

Patent

active

056821565

ABSTRACT:
A variable length code decoding circuit provides a positive
egative inversion circuit which directly receives the most significant bit of the shift register receiving the code data. For variable length code data accompanying the sign bit, the positive
egative discriminating processing is performed independently of the decoding processing. Thus, although the size of the variable length code decoding table becomes large and the data length of the codes are increased by one bit, the decoding processing is not dropped because of the increase in the number of the decoding processing cycles. In addition, the variable length code decoding circuit can be used for a color moving image compress technology in accordance with the MPEGI of the ISO standard.

REFERENCES:
patent: 4150368 (1979-04-01), Chea, Jr.
patent: 4580129 (1986-04-01), Bhagat
patent: 5398027 (1995-03-01), Ooi

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