Method and apparatus for variable length coding with reduced mem

Details Method and apparatus for variable length coding with reduced mem Method and apparatus for variable length coding with reduced mem

1994-05-16

1996-10-01

Williams, Howard L.

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

341106, H03M 740

Patent

active

055614221

ABSTRACT:
An encoding apparatus having a 16-bit read-only-memory(ROM) and a general 16-bit microprocessor comprises: means for storing variable length code table data which is originally of 18 bit length in said ROM, means for processing a source code inputted from an input line in said microprocessor to convert said source code into an appropriate form for accessing said variable length code table data stored in said ROM so as to determine the length of the variable length code, and means for transmitting said variable length code of said determined length through a transmission line.

REFERENCES:
patent: 4937573 (1990-06-01), Silvio et al.
patent: 5166684 (1992-11-01), Juri et al.
patent: 5325092 (1994-06-01), Allen et al.
Lei et al., An Entropy Coding System for Digital HDTV Applications, IEEE Transactions on Circuits and Systems for Video Technology, vol. 1, No. 1, Mar. 1991, pp. 147-155.

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