Variable length code decoding apparatus

Details Variable length code decoding apparatus Variable length code decoding apparatus

1993-06-08

1995-02-28

Logan, Sharon D.

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

341 65, 341106, H03M 740

Patent

active

053941446

ABSTRACT:
A variable length code (VLC) decoding apparatus disclosed herein has an interface circuit 10 wherein an input bit stream is fed. The interface circuit 10 includes a plurality of window registers for directly extracting the decoding objective bit stream from the input bit stream. Each of the window registers has 2.sup.n -bit storage locations for storing an bit stream shifted by 1 bit from that of its adjacent window registers. Therefore, the VLC decoding apparatus advantageously achieves a high speed for decoding operation through the use of a plurality of window registers for directly extracting a next undecoded sequence of an input bit stream.

REFERENCES:
patent: 5173695 (1992-12-01), Sun et al.

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